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国际标准

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3金币 B49–20 Standard Specification for Copper Rod for Electrical Purposes.PDF

Designation: B49 - 20 Standard Specification for Copper Rod for Electrical Purposes11. Scope@1.1 This specification covers the requirements for rod indiametcrs from Va in. to 1Ve in.(6.4 mm to 35 mm) producedfrom high conductivity coppers listed in T...

内容提供方：外唐用户 | 2022-10-21 发布 | 2.06MB | 8 页
5金币 B545-13 Standard Specification for Electrodeposited Coatings of Tin.PDF

Designation: B545-13 Standard Specification for Electrodeposited Coatings of Tin11. Scope1.l This specification covers the requirements for electrode-posited (electroplated) coatings of tin applied to metallicarticles. Tin coatings are used to provid...

内容提供方：外唐用户 | 2022-10-21 发布 | 2.37MB | 11 页
5金币 C109/C109M – 20a Standard Test Method for Compressive Strength of Hydraulic Cement Mortars(Using2-in.”or[5o-mm]Cube Specimens).PDF

Designation: C109/C109M - 20a Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using2-in."or [5o-mm] Cube Specimens)11. Scope@1.1 This test method covers determination of the compres-sive strength of hydraulic cement mortars...

内容提供方：外唐用户 | 2022-10-21 发布 | 2.55MB | 11 页
5金币 C114-18 Standard Test Methods for Chemical Analysis of Hydraulic Cement.PDF

Designation: C114-18 Standard Test Methods for Chemical Analysis of Hydraulic Cement'1. Scope1.l These test methods cover the chemical analyses ofhydraulic cements.Any test methods of demonstrated accept-able precision and bias may be used for an...

内容提供方：外唐用户 | 2022-10-21 发布 | 10.57MB | 33 页
3金币 Standard Test Method for Relative Density(Specific Gravity)and Absorption of FineAggregate.PDF

Designation: C128-15 Standard Test Method for Relative Density (Specific Gravity) and Absorption of FineAggregate11.Scope1.1 This test method covers the determination of relativedensity (specific gravity) and the absorption of fine aggrcgates.The rel...

内容提供方：外唐用户 | 2022-10-21 发布 | 5.68MB | 6 页
3金币 Standard Specification for Flow Table for Use in Tests of Hydraulic Cement.PDF

Designation: C230/C230M - 20 Standard Specification for Flow Table for Use in Tests of Hydraulic Cement11. Scope*1.1 This specification covers requirements for the flow tableand accessory apparatus (Note 1) used in making flow tests forconsistency of...

内容提供方：外唐用户 | 2022-10-21 发布 | 1.27MB | 7 页
5金币 Standard Test Methods for Chemical Analysis of Limestone,Quicklime,and HydratedLime.PDF

Designation: C25-17 Standard Test Methods for Chemical Analysis of Limestone, Quicklime, and HydratedLime11. Scope1.1 These test methods cover the chemical analysis ofhigh-calcium and dolomitic limestone，quicklime，and hy-drated lime.These test method...

内容提供方：外唐用户 | 2022-10-21 发布 | 11.59MB | 39 页
3金币 C29/C29M-16 SUMMARY OF CHANGES.PDF

c9/c29M - 16 SUMMARY OF CHANGESachieved in this test method is unknown. Further, aggregates inhauling units and stockpiles usually contain absorbed andsurface moisture (the latter affecting bulking). while this testmethod determines the bulk density ...

内容提供方：外唐用户 | 2022-10-21 发布 | 943.32KB | 5 页
5金币 Standard Guide for Petrographic Examination of Aggregates for Concrete.PDF

Standard Guide for Petrographic Examination of Aggregates for Concrete11. Scope*1.1 This guide outlines procedures for the petrographicexamination of samples representative of materials proposedfor use as aggregates in cementitious mixtures or as raw...

内容提供方：外唐用户 | 2022-10-21 发布 | 3.83MB | 16 页
3金币 Standard Practice for Making and Curing Concrete Test Specimens in the Field.PDF

Standard Practice for Making and Curing Concrete Test Specimens in the Field11.Scope*1.1 This practice covers procedures for making and curingcylinder and beam specimens from representative samples offresh concrete for a construction project.1.2 The ...

内容提供方：外唐用户 | 2022-10-21 发布 | 1.95MB | 7 页