| 老城区填海地层顶管工作井施工技术研究 |
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| 引用本文： | 邓彬,高俊合,洪鼎. 老城区填海地层顶管工作井施工技术研究[J]. 城市道桥与防洪, 2012, 0(3): 138-140 |
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| 作者姓名： | 邓彬 高俊合 洪鼎 |
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| 作者单位： | 1. 深圳市市政工程总公司,广东深圳,518000
2. 深圳市坪山新区管理委员会,广东深圳,518000 |
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| 摘 要： | 该文介绍了湛江市霞山污水管网工程干管约7.8 km长的顶管工程施工。针对老城区填海地层复杂的地质特点,通过预先在沉井外侧设置复合止水帷幕,解决了动水、承压水、流砂层夹硬夹层(铁质胶结物)这种复杂地质条件下的沉井下沉问题;针对老城区工作井距离建筑物较近的问题,普通沉井无法施工的难点,提出了复合止水帷幕逆作井技术,并取得了良好的经济效益。
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| 关 键 词： | 湛洪市 老城区 填海地层 顶管 工作井 施工技术 |
Study on Construction Technology of Jacking Pipe Shaft in Reclamation Stratum of Old City Area |
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| Deng Bin,Gao Junhe,Hong Ding. Study on Construction Technology of Jacking Pipe Shaft in Reclamation Stratum of Old City Area[J]. Urban Roads Bridges & Flood Control, 2012, 0(3): 138-140 |
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| Authors: | Deng Bin Gao Junhe Hong Ding |
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| Affiliation: | Deng Bin,Gao Junhe,Hong Ding |
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| Abstract: | The article introduces the construction of jacking pipe engineering for the main pipe about 7.8 km long of Xiashan Sewage Pipeline Network Project in Zhanjiang City.Aiming at the complicated geological characteristic of the reclamation stratum in the old city area,the compound waterproof curtain is set up at the outside of open caisson in advance so as to solve the sinking problem of open caisson under this complicated geological construction of dynamical water,confined water,quicksand clip hard interlayer(ferruginous cement).The common open caisson is hard to construct because of the shaft more closing to the buildings in the old city.The article puts forward the top-down construction technology of compound waterproof curtain,which achieves the good economical benefit. |
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| Keywords: | flood discharge city old city area reclamation stratum jacking pipe shaft construction technology |
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