联合发布ICS93.020P22备案号:34965-2012湖北省地方标准DB422DB42/T159—2012代替DB42/159—2004基坑工程技术规程TechnicalSpecificationforExcavationEngineering2012-12-01发布2013-01-01实施湖北省住房与城乡建设厅湖北省质量技术监督局联合发布更多精品资源关注微信公众号：gcszhiku更多精品资源关注微信公众号：gcszhikuDB42/159—2012I目录1总则............................................................................12规范性引用文件....................................................................13术语、符号........................................................................23.1术语..........................................................................23.2符号..........................................................................44基本规定..........................................................................65岩土工程勘察......................................................................95.1一般规定........................................................................95.2勘探、取样与现场测试............................................................95.3室内试验......................................................................105.4勘察成果......................................................................116支护结构设计.....................................................................126.1支护结构的类型和适用条件......................................................126.2土压力、基坑稳定性及变形计算..................................................136.3悬臂式排桩支护结构............................................................206.4桩锚支护结构..................................................................216.5双排桩支护结构................................................................246.6型钢水泥土搅拌墙..............................................................276.7地下连续墙....................................................................286.8围筒式支护结构................................................................296.9内支撑.......
