| 大直径输水钢管采用泥水平衡顶管施工技术 |
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| 引用本文： | 陈镇松. 大直径输水钢管采用泥水平衡顶管施工技术[J]. 中国市政工程, 2011, 0(3): 43-45. DOI: 10.3969/j.issn.1004-4655.2011.03.017 |
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| 作者姓名： | 陈镇松 |
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| 作者单位： | 广州市宝盛建设实业有限公司,广东广州,510620 |
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| 摘 要： | 广州市西江引水工程DN2400输水钢管采用DN2800套管顶进后内敷DN2400钢管的方案进行施工,对采用泥水平衡顶管施工的过程作了较详细的介绍。顶管在中砂层中穿越,具有一定的施工难度;选用了合适的顶管机头,采用在管外壁注触变泥浆、设置中继环、对路面高程变化进行跟踪监测等措施,确保了施工的顺利进行。
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| 关 键 词： | 输水钢管 泥水平衡顶管 施工技术 |
On Construction Technology of Large-diameter Water Steel Pipe Adopting Mud Water Balance Pipe-jacking |
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| CHEN Zhen-song. On Construction Technology of Large-diameter Water Steel Pipe Adopting Mud Water Balance Pipe-jacking[J]. China Municipal Engineering, 2011, 0(3): 43-45. DOI: 10.3969/j.issn.1004-4655.2011.03.017 |
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| Authors: | CHEN Zhen-song |
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| Affiliation: | CHEN Zhen-song(Guangzhou Baosheng Construction Industry Co.,Ltd.,Guangzhou 510620,China) |
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| Abstract: | Taking West River Diversion Works in Guangzhou for example,its construction process is laying DN2400 water steel pipe inside after jacking the DN2800 one firstly.The process of adopting mud water balance pipe-jacking is put forward in detail.Due to its certain difficulty of pipe-jacking crossing the medium sand layer,several measures are used to ensure the construction smoothly including choosing suitable pipe-jacking head,adopting the method of grouting thixotropic mud along the pipe outer and setting up r... |
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| Keywords: | water steel pipe mud water balance pipe-jacking construction technology |
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