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Underground diaphragm wall joint water seepage treatment method and device
The invention discloses an underground diaphragm wall joint water seepage treatment method and device. The method comprises the following steps that S1, a longitudinal construction groove is excavated downwards in the joint of an underground diaphragm wall; S2, the wall surface at the joint of the underground diaphragm wall is pretreated; S3, leakage points at the joints of the underground diaphragm wall are blocked with quick-hardening cement, and grouting is carried out; S4, geotextile is fixed on the wall surface at the joint after pretreatment; S5, a water stop steel plate is additionally arranged on the outer side of the geotechnical cloth; S6, the steps S1 to S5 are repeated until an underground cushion layer is excavated, and the geotechnical cloth and the water stop steel plate are sequentially arranged on the underground cushion layer; and S7, a water guide pipe is embedded between the contact position of the underground diaphragm wall at the underground cushion layer and a dewatering well, and water drained by the water stop steel plate is guided into the dewatering well. According to the method, the problem that waterproof coiled materials fall off due to water seepage of the joint of the underground diaphragm wall after a waterproof layer is constructed is solved, the construction progress is accelerated, and the problems of water leakage point perforation and quicksand and water flowing are solved.
本发明公开了一种地下连续墙接缝渗水处理方法及装置,本发明的方法包括如下步骤:S1、在地下连续墙的接缝处向下开挖纵向施工槽;S2、将地下连续墙的接缝处的墙面进行预处理;S3、对地下连续墙接缝处的漏点采用快硬水泥封堵并注浆;S4、在预处理后的接缝处的墙面固定上土工布;S5、在土工布的外侧上加装止水钢板;S6、重复步骤S1‑S5中,直至开挖至地下垫层处,且所述土工布和止水钢板依次设置至地下垫层处;S7、在地下垫层处的地下连接墙的接触处与降水井之间埋设导水管,将止水钢板引流下的水导流至降水井内。本发明避免了在防水层施工后由于地下连续墙接缝渗水造成防水卷材脱落的问题,加快了施工进度,解决了漏水点穿孔问题及流砂流水问题。
Underground diaphragm wall joint water seepage treatment method and device
The invention discloses an underground diaphragm wall joint water seepage treatment method and device. The method comprises the following steps that S1, a longitudinal construction groove is excavated downwards in the joint of an underground diaphragm wall; S2, the wall surface at the joint of the underground diaphragm wall is pretreated; S3, leakage points at the joints of the underground diaphragm wall are blocked with quick-hardening cement, and grouting is carried out; S4, geotextile is fixed on the wall surface at the joint after pretreatment; S5, a water stop steel plate is additionally arranged on the outer side of the geotechnical cloth; S6, the steps S1 to S5 are repeated until an underground cushion layer is excavated, and the geotechnical cloth and the water stop steel plate are sequentially arranged on the underground cushion layer; and S7, a water guide pipe is embedded between the contact position of the underground diaphragm wall at the underground cushion layer and a dewatering well, and water drained by the water stop steel plate is guided into the dewatering well. According to the method, the problem that waterproof coiled materials fall off due to water seepage of the joint of the underground diaphragm wall after a waterproof layer is constructed is solved, the construction progress is accelerated, and the problems of water leakage point perforation and quicksand and water flowing are solved.
本发明公开了一种地下连续墙接缝渗水处理方法及装置,本发明的方法包括如下步骤:S1、在地下连续墙的接缝处向下开挖纵向施工槽;S2、将地下连续墙的接缝处的墙面进行预处理;S3、对地下连续墙接缝处的漏点采用快硬水泥封堵并注浆;S4、在预处理后的接缝处的墙面固定上土工布;S5、在土工布的外侧上加装止水钢板;S6、重复步骤S1‑S5中,直至开挖至地下垫层处,且所述土工布和止水钢板依次设置至地下垫层处;S7、在地下垫层处的地下连接墙的接触处与降水井之间埋设导水管,将止水钢板引流下的水导流至降水井内。本发明避免了在防水层施工后由于地下连续墙接缝渗水造成防水卷材脱落的问题,加快了施工进度,解决了漏水点穿孔问题及流砂流水问题。
Underground diaphragm wall joint water seepage treatment method and device
一种地下连续墙接缝渗水处理方法及装置
CANG SHIQIANG (author) / CHENG WANLI (author) / LU ZHEN (author) / WANG XIHE (author) / TANG TAI (author) / DAI WEIWEI (author) / FENG ZEQUAN (author) / CHEN HAIWEI (author) / DU KANGLE (author) / LI YADONG (author)
2021-07-27
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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