Designation: C 688 – 00 - Functional Additions for Use in Hydraulic docx

... Mortar Containing Functional Cement Additions Tests Type of Addition Water Reducing Retarding Accelerating Water-Reducing and Retarding Water-Reducing and Accelerating Set-Control Normal consistency, ... the TABLE 2 Criteria for Evaluating Concrete Containing Functional Cement Additions A Tests Type of Addition Water Reducing Retarding Accelerating Water-Reducing and Retarding Water...

Ngày tải lên: 10/07/2014, 23:20

... be calculated the potential percentages of the following compounds: tricalcium silicate, dicalcium silicate, tricalcium aluminate, and tetracal- cium aluminoferrite. Determinations for the percentage ... the resulting cement and its physical-chemical properties. Since mill retention times are controllable by mechanical means in full-scale grinding mills, the true physical-chemical effects...

Ngày tải lên: 10/07/2014, 23:20

... for each batch, in accordance with Test Method C 138, except that the air content of the concrete may be determined in accordance with Test Method C 231. 10. Test Specimens of Hardened Concrete 10.1 ... Percentage Passing Fine Aggregate 4.75-mm (No. 4) 100 1.18-mm (No.16) 65 to 75 30 0- µm (No. 50) 15 to 20 15 0- m (No. 100) 2 to 5 Coarse Aggregate 25.0-mm (1 -in. ) 100 19.0-m...

Ngày tải lên: 10/07/2014, 23:20

... RR: C0 1–1 006 . FIG. 1 Flow Table and Accessory Apparatus (Partial) FIG. 1 Flow Table and Accessory Apparatus (Partial) (continued) C 230 /C 230M 2 Designation: C 230 /C 230M – 98 e1 Standard Specification ... for the flow table and accessory apparatus (Note 1) used in making flow tests for consistency of mortars in tests of hydraulic cement. NOTE 1—To help clarify the...

Ngày tải lên: 10/07/2014, 23:20

... and Paperboard (Cobb Test) 3 E 4 Practices for Force Verification of Testing Machines 4 3. Terminology 3.1 Definitions used in these test methods are in accordance with Terminology C 11. 3.2 Definitions ... reference to the punch center line (see Fig. 1 for test setup schematic). 8.4 Sampling—Sampling shall be in accordance with Sec- tion 4. 8.5 Test Specimens: 8.5.1 Specimens for...

Ngày tải lên: 10/07/2014, 23:20

... ( 60 0- µm) 95 45 95 65 65 30 No. 50 ( 30 0- µm) 98 75 98 75 95 65 No. 100 (15 0- m) 100 85 100 90 100 90 No. 200 (1 5- m) 100 95 C3 5 2 Designation: C 35 – 95 (Reapproved 2000 ) Standard Specification for Inorganic ... Analytical Balance, with a precision of 0 .000 1 g. 7.5.2.2 Balance, capable of weighing at least 10 g to a precision of 0.1 g. 7.5.2.3 Desiccator, conta...

Ngày tải lên: 10/07/2014, 23:20

... physical and chemical tests. 1.2 This practice further covers inspection, rejection, retest- ing, packing, and marking of lime and limestone products as it may be used in the chemical, agricultural, ... 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. 8.3.1.2 Recircul...

Ngày tải lên: 10/07/2014, 23:20

... Standards: C 33 Specification for Concrete Aggregates 2 C 109 /C 109M Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2 -in. or 50-mm Cube Specimens) 3 C 114 Test Methods for Chemical ... of Hydraulic Ce- ment by Vicat Needle 3 C 204 Test Method for Fineness of Hydraulic Cement by Air Permeability Apparatus 3 C 226 Specification for Air-Entrain...

Ngày tải lên: 10/07/2014, 23:20

... Specification for Flow Table for Use in Tests of Hydraulic Cement 3 C 305 Practice for Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic Consistency 3 C 430 Test Method for Fineness ... in accordance with the procedure for mixing pastes in Practice C 305. 13.3.3 Determination of Flow—Determine the flow in ac- cordance with the Procedure section of...

Ngày tải lên: 10/07/2014, 23:20

... determined and calculated as percent CO 2 . Calcium carbonate, for instance, can be calculated by multiplying the determined CO 2 content by a conversion factor (for example, CO 2 3 2.2742 5 CaCO 3 ). X2.2.4 ... be capable of reproducing results within 0 .000 2 g with an accuracy of 60 .000 2 g. Direct-reading balances shall have a sensitivity not exceeding 0 .000 1 g (Note 6). Conventiona...

Ngày tải lên: 10/07/2014, 23:20