by The draft of Technical Specification for the Production of Ultra High Performance Concrete Prefabricated Components (2018-04-xbjh) drafted by Ready Mixed Concrete Branch of China Concrete and Cement Products Association, Beijing Yantong Building Components Co., Ltd., Tsinghua University and other units, and the draft of Technical Specification for the Application of Concrete in Urban Utility Tunnel Structures (2017-38 xbjh) drafted by Beijing University of Technology and other units have been completed, In order to fully understand the opinions and suggestions of the industry and ensure the quality and applicability of the standard, it is hereby publicized.
All relevant units and experts are requested to comprehensively and carefully review the contents and operability of the draft, put forward suggestions and modifications, and fill in the Reply Form of the Association’s Standard Draft, and return the comments to the mailbox of China Concrete and Cement Products Association by email before August 2, 2019 ccpagjb@ccpa.com.cn 。 Contact: Zhang Qinghuan Tel.: 010-57811203 Appendix: 1.
Technical Specification for the Production of Ultra High Performance Concrete Prefabricated Components (Draft for Comments and Preparation Instructions) 2.
Technical Specification for the Application of Concrete in Urban Utility Tunnel Structure (Draft for Comments and Preparation Instructions)（.
