中华人民共和国住房和城乡建设部　公　　告

前　　言

1　总　　则

2　术语和符号

• 2.1　术　　语

• 2.2　符　　号

3　基本规定

• 3.1　一般规定

• 3.2　防火及防腐蚀

4　材料及锚具系统

• 4.1　混凝土与普通钢筋

• 4.2　预应力筋

• 4.3　锚　　具

5　设计计算与构造

• 5.1　一般规定

• 5.2　单向体系

• 5.3　双向体系

• 5.4　体外预应力梁

• 5.5　无粘结预应力纤维筋混凝土受弯构件

• 5.6　无粘结预应力超长结构

6　施工及验收

• 6.1　无粘结预应力筋的制作、包装及运输

• 6.2　无粘结预应力筋的铺放和混凝土浇筑

• 6.3　无粘结预应力筋的张拉、释放与封锚

• 6.4　体外预应力施工

• 6.5　无粘结预应力板开洞与拆除

• 6.6　工程验收

附录A　无粘结预应力筋数量估算

附录B　曲线无粘结预应力筋由锚具变形和无粘结筋内缩引起的预应力损失

附录C　等效柱的刚度计算及等代框架计算模型

附录D　无粘结预应力筋张拉记录表

本规程用词说明

引用标准名录

中华人民共和国住房和城乡建设部公告

1　General Provisions

2　Terms and Symbols

• 2.1　Terms

• 2.2　Symbols

3　Basic Requirements

• 3.1　General Requirements

• 3.2　Requirements for Fire Resistance and Corrosion Protection

4　Materials and Anchor Systems

• 4.1　Concrete and Rebars

• 4.2　Unbonded Prestressed Tendons

• 4.3　Anchorages

5　Calculations and Details for Design

• 5.1　General Requirements

• 5.2　One-way System

• 5.3　Two-way System

• 5.4　Beam with External Unbonded Tendons

• 5.5　Flexural Concrete Members with Unbonded Prestressing Fiber Tendons

• 5.6　Unbonded Prestressed Super-long Concrete Structures

6　Construction and Acceptance

• 6.1　Manufacture，Package and Transportation of Unbonded Tendons

• 6.2　Placing of Unbonded Tendons and Concrete Depositing

• 6.3　Jacking，Releasing and Protection for Unbonded Tendons

• 6.4　Construction of External Prestressing

• 6.5　Opening and Demolishing of Unbonded Prestressing Slabs

• 6.6　Quality Verification and Acceptance

Appendix A　Estimation of Unbonded Tendons

Appendix B　Loss of Prestress of Curved Unbonded Tendons Due to Anchorage Seating and Tendon Shortening

Appendix C　Stiffness of Equivalent Column and Equivalent Frame Model

Appendix D　Tables for Jacking Record of Unbonded Tendons

Explanation of Wording in This Specification

List of Quoted Standards