Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
AASHTO R 18:2018
Năm ban hành 2018
Publication date
Tình trạng
A - Còn hiệu lực
Status |
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Tên tiếng Anh
Title in English Standard Recommended Practice for Establishing and Implementing a Quality Management System for Construction Materials Testing Laboratories
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Thay thế cho
Replace AASHTO R 18:2017
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Số trang
Page 34
Giá:
Price Liên hệ / Contact us
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Phạm vi áp dụng
Scope of standard This document contains criteria and guidelines for establishing and implementing a quality management system (QMS) for use by a construction materials testing (CMT) laboratory. The criteria in this document only apply to the following testing areas: soil, aggregate, asphalt binder, cutback asphalt, emulsified asphalt, asphalt mixtures, hydraulic cement, portland cement concrete, unit masonry, metals, plastic pipe, and sprayed fire-resistive material. |