astm designation c 191

... Method C 187 FIG Vicat Apparatus C 191 Precision and Bias the rod B until it rests on the surface of the cement paste Tighten the set screw, E, and set the indicator, F, at the upper end of the scale, ... with the percentage of mixing water required for normal consistency following the procedure described in Practice C 305 Distilled water is preferable and shall be used for all referee or cooperative ... of the responsible technical committee, which you may attend If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards,...

Ngày tải lên: 10/07/2014, 23:20

... conform to the requirements of Test Method C 157 5.7 Length Comparator—The length comparator shall conform to the requirements of Specification C 490 12 Calculation 12.1 Calculate the length change ... Practice C 305 10.3 Molding of Specimens—Mold the specimens as required by Test Method C 157 11 Curing, Storage, and Taking Comparator Readings of Test Specimens 11.1 Cure, store, and take comparator ... sufficient to produce a flow of 110 % The flow shall be determined in conformance with the procedure as described in Test Methods C 109 /C 109M 10.2 Mixing Mortar—Mix the mortar in a mechanical mixer...

Ngày tải lên: 10/07/2014, 23:20

... of the responsible technical committee, which you may attend If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, ... is copyrighted by ASTM, 100 Barr Harbor Drive, PO Box C7 00, West Conshohocken, PA 19428-2959, United States Individual reprints (single or multiple copies) of this standard may be obtained by contacting ... withdrawn Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters Your comments will receive careful consideration...

Ngày tải lên: 10/07/2014, 23:20

... that racially, linguistically, geographically, economically, in religious discipline, ceremony and government, and so far as political and national consciousness is concerned, Eastern Galicia is ... eastern) contained, in 1910 , 58.55 per cent of Poles and 40.20 per cent of Buthenians, which is the local name for Greek-Catholic Ukrainians According to the Encyclopedia Brittanica, the former predominate ... imported aristocracy, which never succeeded in con- The Ukrainians of ciliating the native population because of their hatred of Polish dominion, beGalicia, came a substantial factor in the great...

Ngày tải lên: 04/06/2014, 17:32

Ngày tải lên: 10/07/2014, 23:20

... size attached to the package: 8.2.1 Name of manufacturer or seller, 8.2.2 Brand, and 8.2.3 Net weight of the package Mechanical Properties 6.1 Compressive Strength—When tested in accordance with ... Methods C 472 the compressive strength shall be as specified in Table 6.2 Setting Time—When tested in accordance with Test Methods C 472 using the Vicat method, the setting time shall be as specified ... insignificant compared to the volume of the aggregate This is usually the case C 28 /C 28M X1.3.3 Apparatus: X1.3.3.1 Analytical Balance—with a precision of 0.001 g X1.3.3.2 Drying Oven— capable...

Ngày tải lên: 10/07/2014, 23:20

... X1.3 Directions for Slaking X1.3.1 Slake quicklime in accordance with the printed directions of the manufacturer When such directions are not provided, proceed as follows: X1.3.2 For quick-slaking ... White Coat—After slaking and aging finishing quicklime in accordance with the printed directions of the manufacturer, store the putty until cool If no printed directions are provided by the manufacturer, ... After the action has ceased, run off the putty through a No 10 (2.00-mm) sieve conforming to Specification E 11, and store for a minimum of weeks X1.4.3 Base Coats—After the action has ceased, run...

Ngày tải lên: 10/07/2014, 23:20

... wallboard specially manufactured to provide speci c fire-resistant characteristics (C 36) hemihydrate, n—the dry powder, calcium sulfate hemihydrate, resulting from calcination of CaSO4·2H2O, calcium ... permeance per unit thickness Metric unit of measurement, metric perms per centimetre of thickness See water vapor calcium sulfate, CaSO4·2H2O or calcium sulfate dihydrate (C 22) gypsum backing ... gypsum; cementitious base for production of most gypsum plasters: also called plaster of paris; sometimes called stucco calcium sulfate, n—the chemical compound CaSO4 cementitious material, n—a material...

Ngày tải lên: 10/07/2014, 23:20

... incorporated since the last issue Committee C- 11 has identified those changes that affect the technical interpretation or use of the specification (1) Section 9.1 was revised The American Society ... C 22 /C 22M 11.2.3 Net or gross weights, or both, of the package 11.3 When shipped in bulk, a card containing the required information in accordance with 11.2 shall be conspicuously placed ... in the carrier NOTE 1—State law may require additional information 12 Keywords 12.1 calcium sulfate; gypsum SUMMARY OF CHANGES This section identifies the location of changes to this specification...

Ngày tải lên: 10/07/2014, 23:20

... concentrations are intended: Acetic acid (HC2H3O2) Hydrochloric acid (HCl) Hydrofluoric acid (HF) Nitric acid (HNO3) Perchloric acid (HClO4) Phosphoric acid (H3PO4) Sulfuric acid (H2SO4) Ammonium hydroxide ... NC NC 0.040 NC NC NC 0.027 0.020 0.196 0.014 0.174 0.006 0.036 NC 0.009 0.013 0.019 0.030 0.07 (0.016)D

Ngày tải lên: 10/07/2014, 23:20

... various chemical and physical forms of quicklime, hydrated lime, and hydraulic lime It may be high-calcium, magnesian, or dolomitic DISCUSSION—The chemical forms of calcium oxide (CaO), calcium ... example, Ca(OH)2 formed by acetylene generation from calcium carbide (CaC2), water treatment sludges, etc DISCUSSION—The chemical forms of calcium oxide (CaO), calcium hydroxide (Ca(OH)2), magnesium ... by-product of materials other than limestone, for example, Ca(OH)2 formed by acetylene generation from calcium carbide (CaC2), water treatment sludges, etc DISCUSSION—The chemical forms of calcium...

Ngày tải lên: 10/07/2014, 23:20

... Desiccator, containing calcium chloride or equivalent desiccant 7.5.2.4 Drying Oven, capable of being controlled to 250°F (121 C) 7.5.2.5 Filter Paper—A “fast” filter paper shall be used Percentage ... ion according to general atomic absorption in accordance with Test Methods C 471 or ion chromatography procedures.7 6.3.1 Secure specimens by inserting a suitable thief tube the full distance between ... manufactured in accordance with this specification and has been found to meet the specified requirements 11 Packaging and Package Marking 11.1 When lightweight aggregates covered by this specification...

Ngày tải lên: 10/07/2014, 23:20

... C 36 /C 36M accordance with Specification C 1264 6.2 Thickness, width, length, and end squareness shall be determined in accordance with Test Methods C 473 6.2.1 Thickness—The nominal thickness ... partitions; wall Sampling, Inspection, Rejection, Certification, Packaging, Marking, Shipping, Handling and Storage 8.1 Shall be in accordance with Specification C 1264 Keywords C 36 /C 36M APPENDIX (Nonmandatory ... SUMMARY OF CHANGES Committee C- 11 has identified the location of selected changes to this standard since the last issue, C 36–97, that may impact the use of this standard (1) Converted Specification...

Ngày tải lên: 10/07/2014, 23:20

... 8.1 Shall be in accordance with Specification C 1264 Dimensions and Tolerances 6.1 Specimens shall be taken from the samples obtained in accordance with Specification C 1264 6.2 Thickness, width, ... X; foil-backed; ceiling; partitions; wall SUMMARY OF CHANGES Committee C- 11 has identified the location of selected changes to this standard since the last issue, C 37-95, that may impact the use ... C 37 /C 37M determined in accordance with Test Methods C 473 6.2.1 Thickness—The nominal thickness shall be 3⁄8 or 1⁄2 in [9.5 or 12.7 mm] with tolerances in the nominal thickness of...

Ngày tải lên: 10/07/2014, 23:20

... Procedures C 110 C 25 C 110 C 400 C 25 C 25 C 1271E C 1301E A The Precision, associated with speci c analytical procedures in relation to the sample weight, can be greatly effected by the particle size ... These cuttings collect on the surface in a circular mound surrounding the hole Collect a crosscut representative sample of the drill cuttings, taking care not to contaminate with surface material ... sampling location Sites should be selected to allow for safe, easy access to a representative cross section of the process material 7.5 Choice of Sampling Procedure—The choice of sampling procedure...

Ngày tải lên: 10/07/2014, 23:20

... the faces that will be in contact with the bearing blocks of the testing machine Check these faces by applying a straightedge (Note 7) If there is appreciable curvature, grind the face or faces ... face or faces to plane surfaces or discard the specimen A periodic check of the cross-sectional area of the specimens should be made NOTE 7—Specimen Faces—Results much lower than the true strength ... found necessary, it is recommended that the specimen be discarded 10.6.3 Apply the load to specimen faces that were in contact with the true plane surfaces of the mold Carefully place the specimen...

Ngày tải lên: 10/07/2014, 23:20

... OF CHANGES This section identifies the location of changes to this standard that have been incorporated since the last issue Committee C- 11 has highlighted those changes that affect the technical ... C 59 /C 59M or supplier’s report shall be furnished at the time of shipment certifying that the product is in compliance with this specification 10.2.1 Name of manufacturer or seller, ... was converted from an inch-pound standard to a combined inch-pound/SI standard (2) Editorial changes were made throughout The American Society for Testing and Materials takes no position respecting...

Ngày tải lên: 10/07/2014, 23:20

... location of changes to this specification that have been incorporated since the last issue Committee C- 11 has highlighted those changes that affect the technical interpretation of this specification ... to conform to the requirements of this specification Certification 9.1 When specified in the purchase agreement, a producer’s or supplier’s report shall be furnished at the time of shipment certifying ... C 61 /C 61M Inspection 7.1 Inspection of the gypsum Keene’s cement shall be agreed upon between the producer or supplier and the purchaser as part of the purchase agreement 10 Packaging...

Ngày tải lên: 10/07/2014, 23:20

... inspection, rejection, certification, packaging, marking, shipping, handling, and storage of gypsum sheathing shall be in accordance with Specification C 1264 /C 1264M 8.2 Treated core gypsum sheathing ... cracks and imperfections that would render it unfit for its intended use Sampling, Inspection, Rejection, Certification, Packaging, Marking, Shipping, Handling, and Storage 8.1 Sampling, inspection, ... layer application on each side of 35⁄8-in [92-mm] deep non-loadbearing galvanized steel studs complying with Specification C 645, spaced 24 in [610 mm] on center The 5⁄8-in [15.9-mm] thick gypsum...

Ngày tải lên: 10/07/2014, 23:20

... Procedure—Determine water-soluble alkali in accordance with Test Methods C 114 14.2 Calculation—Calculate the percent of water-soluble alkali expressed as Na2O to the nearest 0.01 % in accordance ... 45-µm (No 325) sieve in accordance with Test Method C 430 10 Normal Consistency 10.1 Determine normal consistency by the Vicat apparatus in accordance with Test Method C 187 16 Blended Sand 16.1 ... apparatuses consist of a water aspirator or other source of vacuum controlled by a mercury relief column or a vacuum regulator with a capacity of not more than 400 mm of mercury and connected by...

Ngày tải lên: 10/07/2014, 23:20