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C114-18 Standard Test Methods for Chemical Analysis of Hydraulic Cement

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...

2022-10-21 80 10.57MB 33页
Standard Test Method for Relative Density(Specific Gravity)and Absorption of FineAggregate

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...

2022-10-21 108 5.68MB 6页
Standard Specification for Flow Table for Use in Tests of Hydraulic Cement

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...

2022-10-21 118 1.27MB 7页
Standard Test Methods for Chemical Analysis of Limestone,Quicklime,and HydratedLime

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...

2022-10-21 87 11.59MB 39页
C29/C29M-16 SUMMARY OF CHANGES

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 ...

2022-10-21 89 943.32KB 5页
Standard Guide for Petrographic Examination of Aggregates for Concrete

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...

2022-10-21 130 3.83MB 16页
Standard Practice for Making and Curing Concrete Test Specimens in the Field

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 ...

2022-10-21 236 1.95MB 7页
Standard Test Method for Flexural Strength of Concrete(Using Simple Beam withThird-Point Loading)

Standard Test Method for Flexural Strength of Concrete (Using Simple Beam withThird-Point Loading).1.Scope*1.1 This test method covers the determination of the flexuralstrength of concrete by the use of a simple beam withthird-point loading.1.2 The v...

2022-10-21 105 1.07MB 5页
ISO 14067:2018 碳足迹国际标准解析-中文繁体

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2022-09-23 2042 740.43KB 6页
ISO 14067-2018 国际碳足迹标准（英文）

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2022-09-23 830 1.01MB 58页
ISO 14067-2013国际碳足迹标准（英文）

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2022-09-23 142 23.94MB 60页
ISO 14064-3-2019 温室气体第三部分温室气体声明审定与核查的规范及指南（英文版）

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2022-09-23 243 29.39MB 69页
ISO 14064-2-2019温室气体第二部分项目层级温室气体减排或清除增加的量化、监测和报告指南（英文）

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2022-09-23 511 17.52MB 37页
ISO 14064-1-2018温室气体第一部分组织层上对温室气体排放和清除的量化和报告的规范及指南（英文）

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2022-09-23 677 28.16MB 57页
ISO 14067-2018 温室气体.产品的碳排放量.量化和交流的要求和指南

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2022-09-23 694 5.26MB 56页
ISO 14001:2015 环境因素识别与评价控制程序（英文版）

今天分享的是ISO 14001:2015，英文版本。英文标题是：Environmental management systems — Requirements with guidance for use。This International Standard specifies the requirements for an environmental management system that an organization can use to enhance its environmen...

2022-09-22 908 9.56MB 44页
NFPA 557-2016 结构防火设计用火灾荷载测定标准

NFPA 557-2016 pdf download,Standard For Determination Of Fire Loads For Use In Structural Fire Protection Design.NFPA 557-2016 contains minimum requirements relating to the organization and deployment of fire suppression operations, emergency medical...

2022-09-22 106 10.73MB 36页
ISO/IEC 39794-4:2019 信息技术可扩展的生物特征数据交换格式第4部分：手指图像数据

现在继续分享的是ISO/IEC 39794-4:2019 pdf，纯英文版，共105页...

2022-09-22 193 68.95MB 105页
EN 149:2001 呼吸防护装置-颗粒防护用过滤半面罩-要求、检验和标记

现在跟大家分享的是一个欧洲标准，EN 149:2001,pdf格式。中文名称：呼吸防护装置 - 颗粒防护用过滤半面罩 - 要求、检验和标记。英文名词：EN 149 - Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing, marking.下面是一张截图：...

2022-09-22 277 2.61MB 41页
ISO 17025-2017 检测及校准实验室能力通用要求【中文版】

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2022-09-22 2542 636.47KB 30页

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