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

3　工程勘察与调查

• 3.1　一般规定

• 3.2　调查

• 3.3　工程地质与水文地质勘察

4　预应力锚杆

• 4.1　一般规定

• 4.2　锚杆类型与构造

• 4.3　锚杆类型的选择

• 4.4　材料

• 4.5　防腐

• 4.6　设计

• 4.7　施工

5　低预应力锚杆与非预应力锚杆

• 5.1　一般规定

• 5.2　低预应力锚杆类型与适用条件

• 5.3　非预应力锚杆类型与适用条件

• 5.4　材料

• 5.5　锚杆设计

• 5.6　锚杆施工

6　喷射混凝土

• 6.1　一般规定

• 6.2　原材料

• 6.3　设计

• 6.4　施工

• 6.5　质量控制与检验

• 6.6　施工安全与粉尘控制

7　隧道与地下工程锚喷支护

• 7.1　一般规定

• 7.2　围岩分级

• 7.3　一般条件下的锚喷支护设计

• 7.4　特殊条件下的锚喷支护设计

• 7.5　施工

8　边坡锚固

• 8.1　一般规定

• 8.2　边坡锚固设计

• 8.3　边坡浅层加固与面层防护

• 8.4　边坡锚固工程施工

• 8.5　边坡锚固工程的试验与监测

9　基坑锚固

• 9.1　一般规定

• 9.2　锚拉桩（墙）支护设计

• 9.3　土钉墙支护设计

• 9.4　施工与检验

10　基础与混凝土坝的锚固

• 10.1　基础锚固设计

• 10.2　混凝土坝的锚固

• 10.3　基础与混凝土坝锚杆的施工、试验与监测

11　抗浮结构锚固

• 11.1　一般规定

• 11.2　抗浮预应力锚杆设计

• 11.3　抗浮锚杆施工

12　试验

• 12.1　预应力锚杆试验

• 12.2　喷射混凝土试验

13　工程监测与维护

• 13.1　一般规定

• 13.2　监测与检查项目

• 13.3　锚杆预加力的长期监测

• 13.4　锚杆腐蚀状况检查分析

• 13.5　工程安全状态的预警值

• 13.6　监测信息反馈和处理

14　工程质量检验与验收

• 14.1　一般规定

• 14.2　质量检验与验收标准

• 14.3　验收

附录A　预应力锚杆结构图

附录B　岩土锚杆与喷射混凝土支护工程施工记录

附录C　荷载分散型锚杆的张拉锁定方法

附录D　中空注浆锚杆结构参数与力学性能

附录E　隧洞洞室各级围岩物理力学参数与岩体结构面抗剪峰值强度

附录F　用瑞典条分法计算锚固边坡的稳定性

附录G　腰梁与锚杆锚头的构造形式

附录H　预应力锚杆基本试验

附录J　锚杆蠕变量—时间对数关系曲线

附录K　锚杆验收试验

附录L　喷射混凝土抗压强度标准试块制作方法

附录M　喷射混凝土粘结强度试验

附录N　喷射混凝土抗弯强度与残余抗弯强度试验

附录P　喷射钢纤维混凝土残余抗弯强度（韧性）等级与残余弯曲应力

附录Q　土钉抗拔试验方法

本规范用词说明

引用标准名录

1 General provisions

2 Terms

3 Engineering survey and investigation

• 3.1 General requirement

• 3.2 General investigation

• 3.3 Engineering geological and hydrogeological survey

4 Prestressed anchor

• 4.1 General requirement

• 4.2 Anchor type and structure

• 4.3 Selection of anchor type

• 4.4 Materials

• 4.5 Anticorrosion

• 4.6 Design

• 4.7 Construction

5 Low prestressed anchor and non-prestressed anchor

• 5.1 General requirement

• 5.2 Type and applicable condition of low prestressed anchor

• 5.3 Type and applicable condition of non-prestressed anchor

• 5.4 Materials

• 5.5 Anchor design

• 5.6 Anchor construction

6 Shotcrete

• 6.1 General requirement

• 6.2 Raw materials

• 6.3 Design

• 6.4 Construction

• 6.5 Quality control and inspection

• 6.6 Construction safety and dust control

7 Anchor and shotcrete support（lining）of tunnel and underground engineering

• 7.1 General requirement

• 7.2 Classification of surrounding rocks

• 7.3 Design of anchor and shotcrete support under general conditions

• 7.4 Design of anchor and shotcrete support under special conditions

• 7.5 Construction

8 Slope anchoring

• 8.1 General requirement

• 8.2 Design of slope anchoring

• 8.3 Shallow reinforcement and facing protection of slopes

• 8.4 Construction of slope anchoring（engineering）projects

• 8.5 Testing and monitoring of slope anchoring（engineering）projects

9 Excavation anchoring

• 9.1 General requirement

• 9.2 Design of anchor tiedpile（wall）support

• 9.3 Design of soil nail wall support

• 9.4 Construction and inspection

10 Anchoring of foundation and concrete dams

• 10.1 Design of foundation anchoring

• 10.2 Anchoring of concrete dams

• 10.3 Constructions，testing and monitoring

11 Antifloat anchoring

• 11.1 General requirement

• 11.2 Design of antifloating anchors

• 11.3 Constructions of antifloating anchors

12 Test

• 12.1 Test of prestressed anchors

• 12.2 Shotcrete test

13 Eegineering monitoring and maintenance

• 13.1 General requirement

• 13.2 Monitoring items

• 13.3 Long-term monitoring of prestressed anchor tension

• 13.4 Inspection and anslysis of corrosive condition of anchors

• 13.5 Early warning value of project（engineering）safety state

• 13.6 Feedback and treatment of monitoring data

14 Inspection and acceptance of project quality

• 14.1 General requirement

• 14.2 Quality inspection

• 14.3 Acceptance

Appendix A Structural drawing of prestressed anchors

Appendix B Construction records of soil-rock anchoring and shotcrete support projects

Appendix C Stretching and locking methods for loading-decentralized anchors

Appendix D Structural parameter and mechanical property of hollow grouted anchors

Appendix E Physicomechanical parameters of all-grade surrounding rocks and shear peak strength of rock structure faces in tunnel chambers

Appendix F Calculating stability of anchored slopeby sweden slice method

Appendix G Configuration of waist beamand anchorhead

Appendix H Basic test of prestresses anchors

Appendix J Creep-time curve of anchors

Appendix K Acceptance test of anchors

Appendix L Fabrication method of standard test cubes for shotcrete compressive strength

Appendix M Test of shotcrete bond strength

Appendix N Test of shotcrete flexural and residual flexural strengths

Appendix P Classes of steel fiber shorcrete residual flexural strengths（toughness）and the residual stress

Appendix Q Test method of soil nail pulling resistance

List of quoted standards