T-WKSX 001—2022 乌鲁木齐地区建筑基坑支护技术规程

ICS 93.020 CCS WKST P22 乌鲁木齐市勘察设计协会团体标准 T/WKSX 001—2022 乌鲁木齐地区建筑基坑支护技术规程 (试行) Technical Specification For Retaining And Protection Of Building Foundation Excavations In Urumqi Area（Trial Lmplementation ） 2022 - 06 - 30发布 2023 - 01 - 01实施乌鲁木齐市勘察设计协会发布全国团体标准信息平台 T/WKSX 001 —2022 I 目次前言 ................................ ................................ .......... III 引言 ................................ ................................ ........... IV 1 范围 ................................ ................................ ............ 1 2 规范性引用文件 ................................ ................................ ...... 2 3 术语和定义 ................................ ................................ .......... 3 4 符号 ................................ ................................ ............ 6 5 基本规定 ................................ ................................ ......... 9 5.1 设计原则 ................................ ................................ ..... 9 5.2 勘察要求 ................................ ................................ .... 12 5.3 支护结构选型 ................................ ................................ ... 14 5.4 水平荷载 ................................ ................................ .... 15 5.5 质量检测 ................................ ................................ .... 21 6 坡率法 ................................ ................................ ......... 23 6.1 一般规定 ................................ ................................ .... 23 6.2 放坡设计 ................................ ................................ .... 23 6.3 施工与质量检测、验收 ................................ ........................... 24 7 支挡式结构 ................................ ................................ ......... 26 7.1 一般规定 ................................ ................................ .... 26 7.2 结构分析 ................................ ................................ .... 26 7.3 稳定性验算 ................................ ................................ . 28 7.4 截面承载力计算 ................................ ................................ . 34 7.5 支挡结构设计及构造要求 ................................ ......................... 35 7.6 锚杆（索）设计及构造要求 ................................ ....................... 37 7.7 内支撑结构设计及构造要求 ................................ ....................... 41 7.8 施工与质量检测、验收 ................................ ........................... 44 7.9 监测 ................................ ................................ ........... 49 8 土钉墙 ................................ ................................ ......... 50 8.1 一般规定 ................................ ................................ .... 50 8.2 稳定性验算 ................................ ................................ ..... 50 8.3 土钉承载力计算 ................................ ................................ . 53 全国团体标准信息平台 T/WKSX 001 —2022 II 8.4 构造设计 ................................ ................................ .... 56 8.5 施工与质量检测、验收 ................................ ........................... 58 9 地下水控制 ................................ ................................ ......... 61 9.1 一般规定 ................................ ................................ .... 61 9.2 截水帷幕 ................................ ................................ .... 61 9.3 降水 ................................ ................................ ......... 64 9.4 集水明排 ................................ ................................ .... 68 9.5 降水引起的地层变形计算 ................................ ......................... 69 9.6 回灌 ................................ ................................ ......... 70 10 监测 ................................ ................................ ............ 74 10.1 一般规定 ................................ ................................ ... 74 10.2 监测项目 ................................ .....................