T-CCTAS 227-2025 超大跨度岩石隧洞设计规范

ICS93.060 CCSP21 团体标准 T/CCTAS227—2025 超大跨度岩石隧洞设计规范 Specificationfordesignofsuper-spanrocktunnel （此版本未经出版审核，仅供参考，以正式出版发布为准） 2025-07-14发布 2025-08-01实施中国交通运输协会发布全国团体标准信息平台 ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼全国团体标准信息平台 T/CCTAS227—2025 I目次前言...........................................................................III 1范围.................................................................................1 2规范性引用文件.......................................................................1 3术语和定义...........................................................................1 4基本规定.............................................................................2 5工程勘察.............................................................................2 5.1一般规定.........................................................................2 5.2资料收集与分析...................................................................2 5.3测绘.............................................................................3 5.4工程地质勘察.....................................................................3 5.5围岩分级.........................................................................4 6总体设计.............................................................................4 6.1一般规定.........................................................................4 6.2隧洞位置选择.....................................................................4 6.3隧洞轴线布置.....................................................................4 6.4横断面设计.......................................................................5 7围岩稳定性分析.......................................................................5 7.1一般规定.........................................................................5 7.2稳定性分析方法...................................................................5 7.3稳定性评判标准...................................................................6 8开挖设计.............................................................................7 8.1一般规定.........................................................................7 8.2洞身开挖设计.....................................................................7 8.3洞口开挖设计.....................................................................8 9支护设计.............................................................................9 9.1一般规定.........................................................................9 9.2喷射混凝土设计...................................................................9 9.3锚杆设计.........................................................................9 9.4锚索设计.........................................................................9 9.5混凝土衬砌设计..................................................................10 9.6喷锚支护设计....................................................................10 10防水与排水设计.....................................................................11 10.1一般规定.......................................................................11 10.2防水设计.......................................................................12 10.3排水设计.......................................................................12 11监控量测设计.......................................................................13 ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼ 全国团体标准信息平台 T/CCTAS227—2025 II11.1一般规定.......................................................................13 11.2监测设计.......................................................................13 11.3监测实施.......................................................................14 11.4反馈分析与动态设计.............................................................15 参考文献........................................................................16 ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼ ÒÔÕýÊ½³ö°æÎª×¼ 全国团体标准信息平台 T/CCTAS227—2025 III前言本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规定起草。请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。本文件由中国交通运输协会新技术促进分会提出。本文件由中国交通运输协会