DESCRIPTION

This CCPA standard specifies the technical requirements of raw materials, mixtures, production process and quality control of precast UHPC components.

This CCPA standard is applicable to production of precast UHPC components, excluding UHPC components formed by centrifugal and spray processes. 

DOCUMENT DETAILS

This CCPA standard was drafted by CCPA UHPC Branch.

Issue date: September 17, 2021

Implementation date: December 17, 2021

Pages: 37

Categories: UHPC

CONTENTS

1 General Provisions

2 Terms

3 Basic Requirements

4 Materials

5 Trials of Mixture and Production

5.1 General Requirements

5.2 Testing at Laboratory

5.3 Trials of Production

6 Production

6.1 General Requirements  

6.2 Storage of Materials  

6.3 Weighing and Dosing  

6.4 Mixing  

6.5 Mixture Conveying  

6.6 Reinforcement and Embedded Parts  

6.7 Prestressed Component  

6.8 Hidden Check  

6.9 Placing

6.10 Compacting

6.11 Curing

6.12 Removal of Formwork

6.13 Storage and Transportation of Precast Component

7 Quality Inspection

7.1 General Requirements

7.2 Raw Materials

7.3 Mould

7.4 Fabricated Reinforcement

7.5 Fresh Mixture and Hardened State

7.6 Precast component

Appendix A- Testing Method of Volume Content of Steel Fiber in Fresh Mixture of UHPC

Explanation of Wording in This Specification

List of Quoted Standards

Addition: Explanation of Provisions

FREE ACCESS TO CCPA STANDARDS (CHINESE VERSION)

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