Document Rp1nZO6ogz4b9egj8nbmM0VDX

TM 3 ~~ :V *-h" " j^| FORM R27 8-2 TECHNICAL SPECIFICATIONS >) CERTAIN-TEED PRODUCTS CORPORATION ASBESTOS CEMENT PIPE NUMBER: SUPERSEDE*: APPLICABLE TO: Ambler R&D and All Plants TM-3 DATE OF ISSUE: Hay 22* 1964 CLASSI FI CATI ON: Test Method DESCRIPTION: Method of Test for Determination of Fineness of Portland Cement ft Silica by Blaine Air Permeability Apparatus. 4. Scope 1. Otis method of test covers the procedure for determining the fineness of Portland cement and silica in terns of specific surface expressed as total surface area in square centimeters per gram (cmvgraa) of cement, by use of the Blaine air permeability apparatus. Not* file Blaine apparatus mas originally designed for determining the fineness or surface area of Port land eemanti however since it operates on the principle of porosity, it can be easily and ac curately used to determine the surface area of silicas. B. Apparatus J 1. file Blaine air permeability apparatus consists essen tially of a means of drawing a definite quantity of air through a prepared bed of cement or silica of definite porosity, file number and else of the pores In a pre pared bed of definite porosity is a function of the else of the particles and determines the rate of air flow through the bed. 2. file Blaine apparatus shall consist of the following parts* a. Permeability Cell b,, Bisk (Perforated) c. Plunger d. Filter Paper e. Manometer f. Manometer liquid g. Timer All the Individual parts of the Blaine apparatus shall be in accordance with the requirements as specified in ASTM G 204-55 "Standard Method of Test for Fineness of Portland Cement by Air Permeability Apparatus". PREPARED BY: 5$ F. 3, low, APPROVED BY: CTD010108 POftM P-SOS4 TECHNICAL CHANGE ORDER APPLICABLE TO: CERTAIN-TEED PROOUCTS CORPORATION PIPE DIVISION > CERTA1NTEH) dcschiption: General Standards Manual Section F Standard Teat Msthod TM 3 DATE OF ISSUE: April 18, 1969 T.C.O. no.: 1 PAOE NO.: 1 Standard Teat Methods PURPOSE 1* To update the existing procedure* 2* Change the procedure on testing of cement, from oven dried to as received. 3. To make the test method readable. w' EFFECTIVE DATE Date of issue. DISPOSITION OF SUPERSEDED PAGES Upon receipt of this T.C.O. replace pages 1,2,3*U,5> dated May 22, 1961*, with the attached pages. ' 'V ; -P; -t, ir r" yyyy:y ' - .ft*- ; ; . CTD010109 /fcjUt*7u*< &o/-Clr-*py m. ^ L gg^uJi^ (b .^aJ=t- yoi-bSll-jVM b> e (Lhaa/jL^jf- /b*&s> Ctod-urT* -- S V 3. O &*l 3- 7o/5) OM^JfciMy^ StokLM 6?oo72 rS-4 ^or-vus^:____ J___d'*^$L i-gno - fzz-2-SioO a is- - ^3-4 - S5~7S~ ______ 0bM% c-o-o4 STM (L-V-o'l 'C*u> &tr*u. __ _________________________________________________________________'1'1a/6<m*Ao+av C&&JL V? tt~UW - <LU c+y= ^QI- oa^-ll-ag. TECHNICAL SPECIFICATIONS SPECIFICATIONS CLASSIFICATION: Standard Test Methods f I, JBI CERTAIN-TEED PRODUCTS CORPORATION T.C.O. REF. NO. SPECIFICATION NO: FAOE NO.: ' EPB PIPE division f- &RDUNTEED 1 supersedes: May 22, 196U TM - 3 1 date of issue: April 1aj 1969 description: _ ,_ ... Method Of Test For Determination Of Fineness Of Portland Cement And Silica By Blaine Air Permeability Apparatus A. Scope 1 tfrie aethod of test carers the procedure for determining the fineness of Pirtlend cement end silica in terns of specific surface expressed as total surface area in square centimeters per gran (cavgran) of cement, by use of the Blaine air permeability apparatus* Note: The Niaine apparatus was originally designsd far determining the fineness or surface area of Portland cement) however since it operates on the principle of porosity, it can be easily and accurately used to determine the surface area of silicas. B. Apparatus 1. The Blaine air permeability apparatus consists essentially of a naans of drairing a definite quantity of air through a prepared bed of ceasnt or silica of definite porosity. The number and else of the pares in a prepared bed of definite porosity is a function of the slse of the particles and determines the rate of air flow through the bed. 2. The Blaine apparatus shall consist of the following parts > ^/2-l/n - to Sri/ C*- a. Permeability Cell b. Disk (Perforated) c FLusgsr d. Filter Paper e. Manometer ^ f. Mancneter liquid g. Timer ~i Aoi ' o`f Zr,<in 1 o oT 'J ~ AJ.J, (*`<'0 &33-rPf All the individual parte of the Blaine apparatus shall be in accordance with the requirements as specified in ASTM C 2Oli-55 "Standard Method of Test for Fineness of Portland Ceasnt by Air Psrmeabllity Apparatus". C. Calibration of Apparatus 1. The calibration of the Blaine apparatus shall ba in accordance with the requirements as specified in ASTM C 20li-55. The National Bureau of Standards No. lib Standard Sample may be obtained from the 0. S. Department of Cr-- res, National Bureau of Standards, Washington 25, D. C. (A charge' at approximately $2.50 is made far each standard aample). 2. A method of checking.-to determine if the volume and weight of standard sample used is correct 1st P <T-jEg) ~ : Where t P Porosity (should be 0.500 + 0.005) T Volume of cement bed. W Weight of standard cement simple. \c .> Page 2 Where: > S * Specific surface- In sq. cm. per gram of test sample. Se - Specific enrface In sq. an. per gran of standard sample used in calibrationof the IW apparatus. T - Tins in seconds for measured manometer drop of test sanple. Ts Tine in seconds for Measured manometer drop of standard sampleused In calibration of . the apparatus. n " Viscosity of air In poises at the temperature of test of the test sample. ns - Viscosity of air In poises at the temperature of test of the standard sanpleused in calibration of the apparatus. e Porosity of prepared bed of test sanple. es Porosity of prepared bed of standard sanple used In calibration ofthe apparatus. P - Specific Gravity of test sanple - 3.1$ shall be used for Portland cement and 2.6$ shall be.used far silica. Pa Spedific gravity of standard sample used in calibration of the apparatus - 3.1$ la used. '/T VoL= 2> . p- Note: Values for ASTM C 20b-$$ andPrfi say be taken from the Tables I, II and HI as shorn in i.e. In the Technical Service Materials laboratory The Volume ia 1.82b cu. cm. The Weight of the standard cement sanple is 2.87 grans. 2.87 o~3 1.82b - ----- 1.H5L SC CsbMJLtd t Z'9&fr~ -1--.820b5-1-0-.9-1-1-- ~YU.aMU} ~hJlr 4-(C> JCa - - ff - 0.$00$ Porosity *^-J *> ' 1 ^<*1 i to 2. When using the Blaine apparatus to determine the surface area of silica the weight of the sample must be adjusted due to the difference in the specific gravity of the silica so that the porosity remains the sane. This can be calculated frees the standard cement sample as follows: S //ft? j T~ ' Where: 2.6$ la the Specific Gravity of Silica 3.1$ is the Specific (k-avity of Cement S - Weight of Silica W Weight, of Cement i.e.. At Technical Service: 2.6! . S ,, ; - Vjr I- S - 2.b2 grams l^A 3. The surface area nay be checked by varying the porosity and substituting the values in the formula as shown in the tables in ASTM C 20b-$$. By varying the porosity from .b9$ to .$0$ the surface area should be within 300 cmvgm. - ' Test The surface area of the material shall be determined on representative samples of the material using the same weight of saaple as has been determined from the calibration of the apparatus* using thenStihikfdr sample. All silica must be oven dried for 2b hours at 210F. + $F. or to constant weight and allowed to cool at room te^rature in a deeslcator before making the surface area determinations. Cement Shill-be tasted on the as-received"basis. Five determinations shall be made on separate samples of each material. The average of these-test-reSuita-SnaHljeJSeCardad. ____ ^ - S F. Sampling B U-x) Whe(>bInccJ^g-shipeiaigth -of-cfe&nt_ad3^ttdf Jy*' 'e&pisdl;, each compartment f eJrii -hnwig *nA/f# aflroad car shall be~sapledr~The surface. Th3 ~ '--T' * form a ccmpoe. CTD010112 U. S. Departrmeut of Commerce Frederick B. Dent Secretary National Buraaa of Standard! Richard W. Roberta, Director 4/i/i 7 Rational bureau of J^tandardB Certificate of ^ttalgeis Standard Reference Material 114m Portland Cement This Standard Reference Material is intended for use in calibrating the Wagner turbidimeter, the Blaine fineness meter, and the 2-inch diameter No. 325 sieve in accordance with Federal Test Method Standard 158 where applicable or ASTM methods of test for fineness of cement. The air-pernieabilitv test should be made at a 11-^08^ of 0.500. Residue on No. 325 sieve, electro-formed sheet (45.0 Mm), wet method.................................. ............................ 6.9 percent Surface area (Wagner turbidimeter) by ASTM Method C115-70 (or subsequent issue)..................................... Surface area (air-permeability)................................ :T>y\. \s V..4 i' 2040 cm2/g 3930 cm2 /g Mean particle diameter (air-permeability) . -.v ... 4.85 pm The surface areas and mean<fi^rtKle diameter reported on this Standard Reference Material are calculated on the assumptioSTOKra specific gravity is 3.15, and this value should be used in all calibration computatiQtis. \) ^ Hie overall ifiredti^rfil^rtechnical measurements leading to certification were performed under the direction of J. R.Dise and A. R. Woolf, Materials Reference Laboratories, Products Evaluation Technology Division. The technical and support aspects involved in the preparation, certification, and issuance of this Standard Reference Material were coordinated through the Office of Standard Reference Materials by A. R. Woolf, C. L. Stanley, and R. E. Michaelis. Washington D. C. 20234 April 5,1973 ** >- Jr1 J. Paul Cail, Chief Office of Standard Reference Materials (over) Zi- , CTD010113 U. S. Department of Commerce Alexander Trowbridge Secretary National ljuielu: of! Standards I. C. Schoonover,'1 Acting Director <V;/- Certificate of gkjrfm jSrea %;:mv, - Standard Reference Material 114 L Portland Cement Residue on No. 325 sieve bronze cloth, wet method__________________ n.S porccu; Residue on No. 325 sieve electro-formed sheet. (44.0/t), wet method . _______ i*2.2 percent Surface area (Wagner turbidimeter) 1820 end/g Surface area (air-permeability) 3380 em'/g Mean particle diameter (air-permeability) 5.64 microns These values are for use in calibrating the Wagner turbidimeter and Blaine fineness meter in accordance with the methods of the current issue of Federal Test Method Standard 158, or ASTM methods of test for fineness of cement. The air-permeability tests should be made at a porosity of 0.500. The surface areas and mean partido diameter reported on this standard reference ma terial are calculated or. the assumption linn its specific gravity is 3.15, and, therefore, the value 3.15 should be used in all calibration computations. The certificate value for residue on the No. 325 sieve assigned to the first issue of standard reference material 114 over 30 years ago was based on a sc; of carefully selected sieves with h.-wiize doth. Subsequent issues of sample No. 114 have had assigned residue.- consistent with the firs' issue. Over the years, woven cloth has become av.dt.bie wi.h nm.-e ... form hole size man the cloth upon which the No. 114 residue figure is based. A;, a.,<j.o...\ l. .-. developed, t.iereby, where the better sieves have tlie larger correction factors. As firs; step correcting i Ins situation, standard reference material No. 114 L has two assigned residues, one on bronze l ull, which is consistent with values for previous issues, and or.e on electro-formed sheet, which is based on measurements with sieves fitted with such material. Electro-d. :ne : sheet aiders from wire cloth in not being woven, and in being free from grossly oversize .venings. T::e bronze cloth figure should be used in connection with the Wagner turbidimeter test. In many tests, such as the fineness of fly ash, the specification limit will need to be adjusted before ihe electro-formed figure can be substituted for the bronze figure. W.-.sh.xgtox, D.C. 20234 August 25, 1967 IV. \Vayxe \1 e:\ke, Chief Office of u.aiidard Reference Materials CTD010114 To open the vial, make a deep scratch with a file about inch from the bottom of the vial. Invert the vial and press a red hot file point against the scratch to cause a circumferential crack around the vial. Remove the end of the vial carefully and remove any glass fragments which may have fallen into the sample. The specific surface of cement changes on being exposed to the air. Therefore, after opening the container, the sample must be protected from atmospheric moisture until the time of test. The sample should be used as soon as possible after opening--in any case within 8 hrs. For use with the Blaine air-permeability apparatus, the sample should be fluffed in a 4to G-ouucc boitlc as described in the current issue of Federal Test Method Standard 158 or ASTM Method C 204, before being used. This standard was prepared and calibrated in the Institute for Applied Technology, Building Research Division, by members of the Codes and Standards Section, B. E. Foster Chief. FORM Pt27 S-2 TECHNICAL SPECIFICATIONS CERTAIN-TEED PRODUCTS CORPORATION ASBESTOS CEMENT PIPE NUMBER: TH-3 SUPERSEDES: PAGE 2 DATE OF ISSUE: ___ Mav 22. 1964 APPLICABLE TO: Ambler R&D and All Plants CLASSIFICATION: Test Method DESCRIPTION: Method of Test for Determination of Fineness of Portland Cement & Silica by Blaine Air Permeability Apparatus. C. Calibration of Apparatus 1. The calibration of the Blaine apparatus shall be in accordance with the requirements as specified in ASM C 204-55. Hie National Bureau of Standards No* 114 Standard Sample nay be obtained froa the U.S. Depart ment of Commerce* National Bureau of Standards, Wash ington 25, D.C. (A charge of approximately $2.50 is made for each standard sample). 2, A method of checking to determine If the volume and ueight of standard sample used is correct is: t - CLOSES) Where* P - Porosity (should be 0.500 0.005) V - Volume of cement bed ~~ W - Weight of standard eement seng>le. D. Calculations 1* For Cement ri vt- V Ls For Silica (a) S - Ss Pa (l-e) V53~Vp-- (c) P (l-e) Se3 5^ S - 8a Pa (l-e.) Vg~Ve3 Vg(b) P (l-e) Ve35'W35"Vn"' (d) Ss- CoN^t/t (3/ELAl/EX,<T - 2, 73 ^ _ 54iT r, Oa]*Mdb*k 2 ' ^ <?// # 456 CTD010116 TECHNICAL SPECIFICATIONS CERTAIN-TEED PRODUCTS CORPORATION ASBESTOS CEMENT PIPE NUMBER: SUPERSEDES: PAGE ^ DAWSJ?; 1964 APPLICABLE TO: Ambler R&D and All Plants CLASSIFICATION: Test Method DESCRIPTION: Method or Teat for Determination of Fineness of Portland Cement b Silica by Blaine Air Permeability Apparatus, Where* S - Specific surface in so* per gres of test sample. Se - Speelflo surface in sq. cm. per gran of standard sample used in calibration of the apparatus. T Time in seoonds for measured omnomecer drop of test Ts - Tiwo in seconds for nsasured manometer drop of stand ard sample used in calibration of the apparatus n - Viscosity of sir In poises at the temperature of test of the test sample. m - Viscosity of air In poises at the tea^erature of test of the standard sample used in calibration of the apparatus. e Porosity of prepared bed of test sample. ee - Porosity of prepared bed of standard sample used in calibration of the apparatus. P - Specific Gravity of test sample - 315 shall he used for Portland oeaeut and 2*65 shall he used for silica. Ps * Specific gravity of standard sample wsed in cal ibration of the apparatus - 3*15 is used. Hots* Values for Vn~ V^3 and Vf may he taken from the Tables X* XX and XXX as shorn in A8TH C 20455. l.e. In the Materials Laboratory in Ambler -- The Volume is 1.824 cu. cm. The Weight of the standard cement sample in 2.87 1.824 - *5/15 1.824 ,, iMt-zJh&L 1.824 - 0.5005 Porosity. PREPARE0 BY: F. J. Lav APPROVED BYY*i V (yV/iUsliriJC J MMaS CTD010117 TECHNICAL SPECIFICATIONS CERTAIN-TEED PRODUCTS CORPORATION NUMBER: Tft-3 paoc 4 ASBESTOS CEMENT PIPE SUPERSEDES: DATE OF ISSUE: Hear 22. APPLICABLE TO: CLASSIFICATION: Ambler BAD and All Plants Test Method 1964 DESCRIPTION: ^. Method of Test for Determination of Fineness of Portland Cement ft Silica by Blaine Air Permeability Apparatus. 2. When using the Blaine apparatus to determine the surface area of silica the weight of the sample oust be adjusted due to the difference In the specific gravity of the silica so .that the porosity remains the same. This can q be calculated from the standard cement sample as follows* Where: 2.65 is the Specific Gravity of SUlca 3.15 Is the Specific dravlty of Cement S - Weight of Silica W - Weight of Cement i.e. In Ambler -- 2.65 - _S_ ? 3.15 2.87^ j- & <7*1- r,k- y,.ts S 2.42 grams 3. She surface area may be cheeked by varying the porosity and substituting the values In the formula as shown in the tables In ASTH C 204-55. By varying the porosity from .455 to .505 the surface area should be within 300 cra?/gm. 8. test The surface area of the material (0) shall be determined on representative saa&les of the material (s) using the seme weight of sample as has been determined from the oblitera tion of the apparatus using the standard sample. AH samples must be oven dried for 24 hours at 210*P. + 5F, or to con stant weight and allowed to 000! at room temperature in a desaleator before caking the surface area determinations. Five determinations shall be made an separate samples of each material. The average of these test results shall be recorded. The test shall be performed on incoming shipment of silica and cement from each Vendor at least cnee a week. 1 1 r 'l /: -/i: CTD010118 FORM P*27 -62 TECHNICAL SPECIFICATIONS CERTAIN-TEED PRODUCTS CORPORATION ASBESTOS CEMENT PIPE NUMBER: SUPERSEDEB: APPLICABLE TO: Ambler R&D and All Plants TM-3 PACE 5 DATE OP ISSUE: ___Bay 22, CLASSIFICATION: Test Method 196ft- DESCRIPTION: Hethod of Test for Determination of Fineness of Portland Cement ft Silica by Blaine Air Permeability Apparatus. P. Sampling When incoming shipments of cement and silica are sampled, each compartment of each truok and/or railroad oar shall be sampled. The sample should be obtained from the material at least cue foot below the top surface. The saaples ob tained from each compartment of the truck or railroad car shall be combined to form a composite sample. The oeopoelte sample shall be kept in an airtight container (polyethylene has or Jar will suffice). The container should be identified by Vendor and date. The composite sssf>le should be a min imum of 5 pounds. APPROVED BY: & V v^ - CTD010119 il . .'0) c with a plane at >c in rci..~.ing insc once d or de nt to lose blot the a damp late, supnner that Cool the idue irorn analytical ig results 5, the sieve 0) and im- ddonized .he meshes, should be ; the ce- exp cd age ss- ;ent, retained n grams, (deterxtion 3), plus or .0 per cent .OSS c - n.o) o.oss - per cent per cent 23-18 AMERICAN ASSOCIATION STATE HIGHWAY OFFICIALS STANDARD A.A.S.H.O. NO.: T 1U Standard Method of Testfor FINENESS OF PORTLAND CEMENT BY AIR PERMEABILITY APPARATUS1 ASTM Designation: C 204 - 55 Adopted, 1951; Revised, 1955.' This Standard of the American Society for Testing Materials is issued under the fixed designation C 204; the final number indicates the year of original adoption as standard or, in the case of revision, the year of last revision. Note.--An editorial change in Section 3 () was made in June, 1956. Editorial changes in Section 5 were made in June, 195S. Editorial change in Sections 2(f), 3(b) and (e), and Table II were made in August, 1959. Scope 1. This method of test covers the Blaine air permeability apparatus and procedure for determining the fineness of portland cement in terms of the specific surface expressed as total surface area in square centimeters per gram of cement. Apparatus 2. (a) Nature of Apparatus.--The Blaine air permeability apparatus con sists essentially of a means of drawing a definite quantity of air through a prepared bed of cement of definite porosity. The number and size of the pores in a prepared bed of definite po rosity is a function of the size of the particles and determines the rate of air flow through the bed. The apparatus, illustrated in Fig. 1, shall consist specif- 1 Under the standardization procedure of the Society, this method in under the jurisdiction of the ASTM Committee C-l on Ceinont. * Prior to adoption as standard, tins method was published as tentative from 1946 to 1951, being revised in 1951. ically of the parts described in Para graphs (b) to (A). {b) Permeability Cell.--The permeabil ity cell shall consist of a rigid cylinder 1.27 0.10 cm in inside diameter, con structed of glass or noncorroding metal. The top of the cell shall be at right angles to the principal axis of the cell. The bottom of the cell shall form an air tight connection with the top of the manometer. A ledge i to 1 mm in width shall be an integral part of the cell or firmly fixed in the cell 5.0 1.5 cm from the top of the cell for support of the perforated metal disk. (e) Disk.--The disk shall be con structed of noncorroding metal and shall be 0.9 db 0.1 mm in thickness, perforated with 30 to 40 holes 1 mm in diameter equally distributed over its area. The disk shall fit the inside of the cell snugly. (d) Plunger.--The plunger shall fit into the cell with a clearance of not more than 0.1 mm. The bottom of the plunger shall have sharp square edges and shall be at right angles to the principal axis. 149 A "tentative revision" of this standard appears on p. 155. -M 150 Tf.st for Finf.nf.ss ok 1'oktland Ckmf.nt (C 20-1-55) An air vent shall be provided either in manometer shall form an airtight con the center or on one side of Ihc plunger. nection with the permeability cell. The The top of the plunger shall be provided manometer arm connected to the perme with a collar such that when the plunger ability cell shall have a line etched is placed in the cell and the collar brought around the tube at 12.5 to 14.5 cm below in contact with the lop of the cell, the the top of the side outlet and also others distance between the bottom of the at distances of 1.5 cm, 7.0 cm, and 11.0 plunger and the lop of the [xtrforated cm above that line. A side ouLlcl shall lie dusk shall be 1.5 0.1 cm. provided at 25.0 to 30.5 cm above the (e) Filler Paper.--The filter pa]>cr bottom of the manometer for use in the shall be medium retentive, corresponding evacuation of the manometer arm con nected to the permeability cell. A positive airtight valve or clamp shall be provided on the side outlet not more than 5 cm from the manometer arm. The manome ter shall be mounted firmly and in such a manner that the arms are vertical. (g) Manometer Liquid.--The manom eter shall be filled to the mid-point with a nonvolatile, nonhygroscopic liquid of low viscosity and density, such as di- butylphthalate (dibutyl 1,2-bcnzene- dicarboxylate) or a light grade of mineral oil. (A) Timer.--The timer shall have a positive starting and stopping mechanism and shall be capable of being read to the nearest 0.5 sec or less. The timer shall be accurate to 0.5 sec or less for time in tervals up to 60 sec, and to 1 per cent or Fie. 1.--Blaine Air Permeability Apparatus less for time intervals of 60 to 300 sec. to type 1, grade B, as prescribed in Federal Specification for Paper; Filtering (UU-P-236). The filter paper disks shall be circular, with smooth edges, and shall have the same diameter (Note) as the inside of the cell. Note.--Filter paper disks that are too small may leave part of the sample adhering to the inner wall of the cell above the top disk. When too large in diameter, the disks have a tendency to buckle and cause erratic results. (/) Manometer.--The 17-tube manom eter shall be constructed according to the design indicated in Fig. 1, using nominal 9-mm outside diameter, standard-wall, glass tubing. The top of one arm of the Calibration of Apparatus 3. (a) Sample.--The calibration of the air permeability apparatus shall be made using the current lot of National Bureau of Standards standard sample No. 114. The sample shall be at room temperature when tested. (6) Bulk Volume of Compacted Bti of Powder.--The bulk volume of the compacted bed of powder shall be deter mined by the mercury displacement method as follows: Place two filter paper disks in the permeability cell, pressing down the edges with a rod slightly smaller than the cell diameter until the filter disks are fial t l'!i \v . IV A <*.. 1.0w!: X'.:c I'M.! K'.lVi \ 1> Jl .1 ..W:r l ir!i, v.c *J :.r 1 u.riit OAAiS tt iriijihl ccm;y coll. The -> 'XTmo- li-. idled l.5 cm below i also others m, and 11.0 ulet shall be above the av use in the er arm con11. A positive be provided e than 5 cm 'he manonieand in such vertical, rhe manomd-point with ?ic liquid of such as di1,2-bcnzenede of mineral shall have a g mechanism g read to the imer shall be for time in1 per cent or to ' sec. oration of the ihall be made ional Bureau :ple No. 114. i temperature mpacted Bed lume of the hall be deterdisplacement disks in the g down the aller than the disks are fiat Test for Fineness of Portland Cement (C 204-55) 151 oa the perforated metal disk; then fill the where: cell with mercury, removing any air bub V = bulk volume of cement in cubic bles adhering to the wall of the cell. Use centimeters, tongs when handling the cell. If the Wa = grams of mercury required to fill cell is made of material that will amal cell, no cement being in cell, gamate with mercury, the interior of the Wa =* grams of mercury required to fill cell shall be protected by a very thin film the portion of the cell not occu of oil just prior to adding the mercury. pied by the prepared bed of cement Level the mercury with the top of the cell in the cell, and by means of a small glass plate. Remove D = density of mercury at tempera the mercury from the cell, weigh, and ture of test in grams pier cubic record the weight of the mercury. Re centimeter (see Table I). move one of the filter disks from the cell. At least two determinations of bulk volume of cement shall be made, using TABLE I.--DENSITY OF MERCURY.* VISCOSITY OF AIR (n). AND Vn AT GIVEN TEMPERATURES. separate compactions for each deter mination. The bulk volume value used for subsequent calculations shall be the Room Temperature, de( Ccot Density of Mercury* Viscosity of Air. C per cu m, poises an average of two values agreeing within plus or minus 0.005 cu cm. The temper ature in the vicinity of the cell shall be noted and recorded at the beginning and lfl................ 18................ 20................ 22................ 24................ 13.50 13.55* 13.55 13.54 13.54 26................ 2S................ 30................ 32................ 34................ 13.53 13.53 13.52 13.52 13.51 0.00017SS 0.0001793 0.0001808 0.0001818 0.0001828 0.0001S37 0.0001S47 0.0001857 0.0001807 0.0001876 0.01337 0.01341 0.01344 0.01348 0.01352 0.01355 0.01359 0.01362 0.01300 0.01369 end of the determination. Note 1.--It is not necessary to use the stand ard sample for the bulk volume determination. Note 2.--The prepared bed of cement shall be firm. If too loose or if the cement cannot be compressed to the desired volume, adjust the trial quantity of cement used. (c) Preparation of Sample.--The con tents of a vial of the standard cement ; * The density of the mercury shall be de sample shall be enclosed in a 4-oz jar termined. and shaken vigorously for 2 min to fluff the cement and break up lumps or ag Using a trial quantity of 2.80 g of cement glomerates. (Note 1) compress the cement (Note 2) (d) Weight of Sample.--The weight of in accordance with Paragraph () with the standard sample used for the calibra one filter disk above and one below the tion test shall be that required to produce sample. Fill the space remaining in the a bed of cement having a porosity of top of the cell with mercury, remove en 0.500 db 0.005, and shall be calculated as trapped air, and level off the top as follows: before. Remove the mercury from the W - 3.15 F(1 - )................ (2) cell, weigh, and record the weight of mercury. The bulk volume occupied by the ce ment shall be calculated to the nearest 0.005 cu cm as follows: where: W = grams of sample required, 3.15 = value taken as the specific grav ity of portland cement, V = bulk volume of bed of cement in cubic centimeters, as determined in accordance with Paragraph (6), and 152 Test for Fineness ok Portland Cement (C 204 - 55) e -- desired porosity of bed of cement (0.500 0.005). (e) Preparation of Bed of Cement.-- The perforated disk shall be seated on the ledge in the permeability cell. A connection, it should be moistened with water; if a standard-taper joint is used a little stopcock grease should be applied. The c/Tkiency of the connection can be determined by stoppering the top of the cell attached to the manometer and then partially evacuating the one arm. of the filter paper disk shall be placed on the metal disk and the edges pressed down with a rod slightly smaller than the cell diameter. A quantity of cement deter manometer; then closing the valve. Aliy con tinuous drop in pressure indicates a leak in the aystom. Note 4.--The sample may be rcflufled and re used for preparation of the test bed, provided mined in accordance with Paragraph (d) that it is kept dry and all tests are made within and weighed to the nearest 0.001 g shall 4 hr of the opening of the sample. be placed in the cell. The side of the cell TABLE II.--VALUES FOR POROSITY OF shall be tapped lightly in order to level CEMENT BED. the bed of cement. A filter paper disk shall be placed on top of the cement and Porosity of Bed, * the cement compressed with the plunger until the plunger collar is in contact with the top of the cell. The plunger shall then be removed slowly. Use of fresh disks is 0.495 0.490 0.497 0.498 0.499 0.348 0.340 0.350 0.361 0.352 required for each determination. . (f) Permeability Test.--The perme ability cell shall be attached to the manometer tube, making certain that an 0.600 0.601 0.602 U.OIM 0.504 0.354 0.355 0.350 0.357 0.368 airtight connection is obtained (Note 3) and taking care not to jar or disturb the prepared bed of cement. The air in the one arm of the manom eter U-tube shall be slowly evacuated 0.505. 0.500. 0.607 0.508 0.509 0.610 0.359 0.360 0.361 0.362 0.363 0.364 until the liquid reaches the top mark, and the valve shall then be closed tightly. The timer shall be started as the bottom of the meniscus of the manometer liquid reaches the second (next to the top) mark and shall be stopped as the bottom of the meniscus of liquid reaches the third (next to the bottom) mark. The time interval measured shall be noted and recorded in seconds. The temperature of 0.625... 0.526... 0.627... 0.628... 0.629... 0.530. 0.531. 0.532. 0.633 0.534 0.535 0.380 0.381 0.383 0.384 0.385 0.386 0.387 0.388 0.389 0.390 0.391 test shall be noted and recorded in de grees Centigrade. In the calibration of the instrument, . at least three determinations of the time of flow shall be made on each of three separately prepared beds of the standard sample (Note 4). The calibration shall be made by the same operator who makes the fineness determination. (g) Recalibration.--The apparatus shall be, recalibrated (Note 5): (1) At periodic intervals to correct for possible wear on plunger or permeability cell, (2) If any loss in manometer fluid occurff, and (S) If a change is made in the type or quality of the filter paper used for the Non 3.--If a rubber stopper is used for the tests. Ml 20 3.).' .... ;. 31)1 -j ... 31........ __ 32 ...... r... 32'p... 33........ 5.:; 33!.:.... 3-1........... 5..s ; 3 US___.vs: 35........... r,.;. 3514___S.'.'i) sc........ r.. iti i . 30>,'i____6.in , 37........... 6.us 37}$___6.12 i. 3S............ 0.16 ' i 3S!<___fi.l'l, . , 39:............0.2-1 j i.; 3'JlA____0.2S I 40........... 0.32 | - . 40H___ 0.36 ! ... 41... . G.'M 42____ . G..IS 42}$.. . 0.52 13____ ,, 4*7 ti.' l.s 13}$.. . 6.00 44____ . 0.G3 44}$.. . 0.G7 45____ .. 0.71 45}$.. . 6.74 * r..t f.'.` 70 7u'. 46____ .. 0.78 <>$. .. 6.82 47____ .. 6.8G 47H-- .. 6.89 48____ .. 6.93 71 7I>; 72 72" 73.. 4SH-- .. 6.00 49____ .. 7.00 49H-- . . 7.04 50. . . .. 7.07 60}$.. .. 7.10 Tlh 74. 74'-: 75.. 75!i CTD010123 c*. with water; .U lTh ienev & tempering the erand of the Ah-e. Any con:s a leak in the .i 1 .utfed and re* \ rc made within 0 K0S1TY OF V"? 0 s.c O.lZ 0.350 S'-j' 0 5` 0.354 0 35c 0.356 '35S q 33Q S:S 0.301 o`55r 0-364 aS:3SCAl "?|3 3S5 *3bi> . . ' 0.3S7 S'3S9 0 III 0 391 0,39 1 .e apparatus e 3): S 1to correct for >r permeability meter fluid oc- : in the type or used for the , Tkst hois I'ini:\i-.ss of Portland Ckmknt (C 20-1-55) 155 TABLE HI.--TIME OF AIR FLOW. ^ ** ^*nl ft*r flw in aoconda; y/T tho factor for uho in tlio equations. /r VT T y/f T . y/f T y/f T y/f T y/f *{ *" - *' * * 27}.;___ 5.25 5.2D 2$l/>... . 5-31 -)"___ 5.3D 29'$___ r..M 30.......... VIS 30)$.... 5.62 31............5.57 3lH___ 5-Gl 32........... 5.GO "M-.S-70 j3........... 0,74 33}$.... 5.79 34........... 5.S3 34}i.... 5.S7 3a.............. 5.935H---------5*96 36............. 0.00 36}$.... 6.04 37...........6.OS 38............. 6-16 3S>$.... o.2o 39. ....6.24 39}$.... 0.2S 4400J...^................ 66..3326 4............ 6.40 41^. . . . 6.44 42.............. 0.4S 43.............. 650 >$.... 6.60 .............. 6.63 45 ....... 0-67 6.71 45}^.... 6.74 .fl......... #_?g 46}$__ 6.82 47......... 6.80 6;88 44S9H...--... 6.06 7.00 49}$... . 7.04 so...... 7.07 50^ - 7-10 51........ 7.14 51}$... 7.1S 52........ 7.21 52J$... 7.21 53........ 7.2S 7G...........8.72 76}$... 8.75 77...........S.77 775... 8.80 7S...........S.S3 53}$... 7.31 51........ 7.35 51'$... 7.3S 55........ 7.12 55}$... 7.-15 7S>$... S.SG 7D........ S.S9 7DJ... S.02 SO........ 8.94 5(1]$... S. 97 56........ 7.4S 5G}$. .. 7.51 57........... 7.55 57}$... 7.5S 5S........... 7.02 51...........0.00 SlH- . 9.03 52........ 9.06 S'l'A... 0.09 53...........9.11 6S}$... 7.65 50........ 7.0S 59}$... 7.71 60........ 7.75 60}$... 7.7S S3}$... 9.14 SI........ 9.17 S4}$... 9.20 85........ 9.22 S5}$... 9.25 61........ 7.SI 61}$... 7.S4 02........... 7.S7 02}$... 7.90 63........... 7.94 80...........9.27 S6}$... 9.30 S7...........9.33 S7}$... 9.36 88........ 9.38 G3}<... 7.96 04........ S.00 61}$... S.03 65........ S.06 65}$... S.09 SS}$... 9.41 S9........ 9.43 89}$... 9.46 90........ 9.49 90}$... 9.51 CO........ S. 12 C6>... S.16 67........ 8.19 67}$... S.22 6S........ 8.25 6S}$... 8.28 69..... 8.31 69}$... 8.34 70..... 8.37 70}$... 8.40 71..... 8.43 71}$... 8.46 72....... 8.49 72}$... 8.52 73....... 8.54 91...........9.54 91}$... 9.57 02........ 9.59 92}$... 9.62 93...........9.64 93}$... 9.67 94..... 9.70 94}$... 9.73 95..... 9.76 95}$... 9.78 96..... 9.80 96}$... 9.83 97....... 9.85 97}$... 9.88 98....... 9.90 73}$... 8.57 74..... 8.60 98}$... 9.93 99..... 9.95 74}$... 75... . 8.63 8.66 19090.}.$......109..0908 75}$... 8.68 100}$...10.03 101___ 10.05 102___ 10.10 103___ 10.16 104___ 10.20 105___ 10.25 106___ 10.30 107___ 10.34 10S,...10.39 109___ 10.44 110___ 10.49 111___ 10.54 112___ 10.5S 113. .. .10.63 114....10.08 115___ 10.72 110....10.77 117....10.82 115....10.80 119___ 10.91 120....10.95 121....11.00 122___ 11.05 123___ 11.09 124....11.14 125....11.18 126___ 11.22 127___ 11.27 128___ 11.31 129___ 11.36 130___ 11.40 131___ 11.45 132___ 11.49 133___ 11.53 134....11.58 135___ 11.62 136__ 11.66 137__ 11.70 113389.....;..1111..7759 140__ 11.83 141....11.87 142....11.92 143__ 11.96 144....12.00 145....12.04 146., ..12.08 114478._._..1122..1172 149__ 12.21 160__ 12.25 151___ 12.29 152___ 12.33 153___ 12.37 154___ 12.41 155----- 12.45 150----- 12.49 157___ 13.53 15.3___ 13.57 159___ 12.61 1G0___ 12.65 101___ 12.09 162___ 12.73 163___ 12.77 164___ 12.81 ioo.^.^.ss 160___ 12.88 167___ 12.92 168___ 12.96 169___ 13.00 170___ 13.04 171___ 13.08 172----- 13.11 173___ 13.15 174....13.19 175___ 13.23 176___ 13.27 177___ 13.30 17S....13.34 179___ 13.38 180___ 13.42 181___ 13.45 182___ 13.49 183....13.53 184___ 13.66 185....13.60 186....13.64 187....13.67 188__ 13.71 119809_:._..1133..7785 191__ 13.82 192__ 13.86 193__ 13.89 194__ 13.93 195....13.96 119967_.._..1144..0004 119993_._...1144..1017 200--- 14.14 201......... 14.13 202......... 14.21 203......... 14.25 204......... 14.28 205......... 14.32 206......... 14.35 207......... 14.39 208......... 14.42 209......... 14.46 210......... 14.49 211......... 14.53 212......... 14.50 213......... 14.60 214......... 14.03 215......... 14.CO 210......... 14.70 217......... 14.73 218......... 14.70 219......... 14.80 220......... 14.83 222......... 14.90 224......... 14.97 226......... 15.03 228......... 15.10 230......... 15.17 232........ 15.23 234......... 15.30 236......... 15.36 238......... 15.43 240......... 15.49 242...... 15.56 244...... 15.62 246...... 15.OS 248...... 15.76 250...... 15.81 252...... 15.87 254...... 15.94 256,__ 16.00 258......10.06 260..... 16.12 262...... 16.19 264...... 16.25 266...... 16.31 268...... 16.37 270...... 16.43 227724............ 16.49 16.55 227768............ 16.61 16.67 280...... 16.73 CTD010124