[1]李力争.重庆市长江北岸一级污水干管工程设计[J].中国给水排水,2026,42(16):105-109.
　LiLizheng.Design of Primary Sewage Trunk Sewer along the North Bank of the Yangtze River in Chongqing[J].China Water & Wastewater,2026,42(16):105-109.
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重庆市长江北岸一级污水干管工程设计

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第42卷 期数: 2026年第16期 页码: 105-109 栏目: 出版日期: 2026-08-17
Title:
Design of Primary Sewage Trunk Sewer along the North Bank of the Yangtze River in Chongqing
作者:
李力争
（重庆科学城城市建设集团有限公司，重庆 401329）
Author(s):
Li　Lizheng
（Chongqing Science City Construction Group Co. Ltd.， Chongqing 401329， China）
关键词:
一级污水干管;  泵站;  顶管竖井;  双层顶管
Keywords:
primary sewage trunk sewer;  pumping station;  pipe-jacking shaft;  double-layer pipe jacking
摘要:
针对重庆市大渡口区原重钢片区临江地带地形起伏大、铁路保护区约束严格及污水管道埋深大的工程条件，开展了长江北岸一级污水干管工程设计。工程沿成渝铁路西侧保护区布设，全长1.3 km，其中重力流段0.8 km、压力流段0.5 km，服务远期污水规模为2.40万m3/d。设计结合片区竖向条件及长江防洪水位要求，确定“深埋重力流顶管收集-一体化预制泵站集中提升-压力管道输送”的总体技术路线。在铁路保护区内采用双层顶管结构及长距离机械顶进工艺，以满足铁路防护和管道防渗要求；泵站采用无人值守一体化预制形式，并与顶管工作井护壁合建，以降低用地需求及施工影响。本文系统阐述该工程在管线走廊受限、深埋敷设及景观敏感等条件下的设计思路与关键技术措施，可为类似项目设计提供参考。
Abstract:
In view of the complex engineering conditions of the former Chonggang industrial area in Dadukou District, Chongqing, including significant terrain relief, strict constraints of railway protection zones, and deep-buried sewer pipelines, the design of the primary sewage trunk sewer along the north bank of the Yangtze River was carried out. The project is arranged along the west side of the Chengdu-Chongqing railway protection zone, with a total length of approximately 1.3 km, comprising about 0.8 km of gravity-flow sewers and 0.5 km of pressure pipelines. The long-term design wastewater scale is 24 000 m3/d. Considering the vertical planning of the area and flood control requirements of the Yangtze River, a technical scheme combining deep-buried gravity sewer collection by pipe jacking, centralized lifting by an integrated prefabricated pumping station, and pressure sewer conveyance was adopted. Double-layer pipe jacking structures and long-distance mechanical jacking were applied within the railway protection zone to ensure structural safety and anti-seepage performance. An unattended integrated prefabricated pumping station was adopted and jointly constructed with the pipe-jacking working shaft enclosure to reduce land occupation and construction impact. The design concepts and key technical measures presented in this paper can provide a useful reference for similar projects under complex conditions.

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更新日期/Last Update: 2026-08-17