ICS93.060 CCSP21 团体标准 T/CCTAS213—2025 沉管法隧道管节坐底寄放技术指南 Technicalguidelinesforsit-on-bottomanddepositofimmersedtunnel （此版本未经出版审核，仅供参考，以最终出版发布为准） 2025-04-24发布 2025-05-01实施 中国交通运输协会  发布 全国团体标准信息平台 全国团体标准信息平台 T/CCTAS213—2025 I目次 前 言............................................................................................................................................................II 1范围.....................................................................................................................................................................1 2规范性引用文件.................................................................................................................................................1 3术语和定义.........................................................................................................................................................1 4总则.....................................................................................................................................................................3 5工程调查与勘测.................................................................................................................................................3 5.1一般规定......................................................................................................................................................3 5.2工程调查......................................................................................................................................................3 5.3工程勘测......................................................................................................................................................4 6设计.....................................................................................................................................................................4 6.1一般规定......................................................................................................................................................4 6.2寄放区选址..................................................................................................................................................4 6.3基础设计......................................................................................................................................................5 6.4管节平面布置..............................................................................................................................................5 6.5浮力计算......................................................................................................................................................5 6.6管节静力计算..............................................................................................................................................6 6.7淤泥吸附力对管节起浮影响计算.............................................................................................................6 6.8数模及物模分析..........................................................................................................................................7 6.9舾装件计算..................................................................................................................................................7 7寄放作业.............................................................................................................................................................7 7.1一般规定......................................................................................................................................................7 7.2基础施工......................................................................................................................................................7 7.3管节浮运......................................................................................................................................................8 7.4管节坐底.......................................................................................................................................