DESCRIPTION

This CCPA standard specifies the technical requirements of raw materials, composition design, production and construction of the mixture, maintenance, inter-layer treatment and quality control in the application of phosphogypsum slag cement stabilized material for highway roadbases.

This CCPA standard is applicable to the application of phosphogypsum slag cement stabilized material for highway roadbases.

DOCUMENT DETAILS

This CCPA standard was drafted by Hubei Changyao New Material Co., Ltd.

Issue date: November 29, 2021

Implementation date: March 29, 2022

Pages: 24

Categories: Phosphogypsum Slag Cement Stabilized Material

CONTENTS

1 General Provisions

2 Terms 

3 Basic Requirements

4 Raw material requirements

4.1 General Rules

4.2 Phosphogypsum

4.3 Cement

4.4 Slag Powder

4.5 Fine Aggregate

4.6 Coarse Aggregate

4.7 Water

4.8 Grading and Blending of Materials

5 Composition Design of Mixture

5.1 General Rules

5.2 Test of Raw Materials

5.3 Composition Requirements of Cementitious Material

5.4 Mix Proportion Design

5.5 Productive Test  

6 Production and Construction of Mixture

6.1 General Rules

6.2 Production of Mixture

6.3 Transport of Mixture

6.4 Paving and Rolling

7 Maintenance, Inter-layer Treatment and Others

7.1 General Rules

7.2 Maintenance Method

7.3 Treatment between Different Structural Layers

7.4 Treatment between Stabilized Material Layer and Asphalt Surface Layer

7.5 Treatment of Shrinkage Cracks in Stabilized Material Layer

7.6 Traffic Control

8 Quality Control

8.1 General Rules

8.2 Pre-construction

8.3 Construction Period

8.4 End of the Maintain Period

8.5 Special Performance Tests

8.6 Quality Acceptance

Explanation of Wording in This Specification

List of Quoted Standards

FREE ACCESS TO CCPA STANDARDS (CHINESE VERSION)

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