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A platform for research: civil engineering, architecture and urbanism
Plugging method for sand gushing and water gushing at anchor cable of foundation pit
The invention discloses a plugging method for sand gushing and water gushing at an anchor cable of a foundation pit. The plugging method comprises the following steps that 1, a water collecting pit is arranged in the foundation pit; 2, a water drainage pipe is inserted into an anchor cable hole in the water leakage position in the foundation pit; 3, the interior of the foundation pit is blocked; 3.1, soil on the periphery of the anchor cable hole is cleaned; (3.2) the anchor cable hole is blocked in the foundation pit; 4, external plugging of the foundation pit is conducted, specifically, 4.1, the two grouting pipes penetrate through the water drainage pipe; step 4.2, temporarily plugging the water drain pipe penetrating through the grouting pipe; 4.3, grouting is conducted on the outer side of the foundation pit through the two grouting pipes; and 5, cleaning the site. When the anchor cable hole in the foundation pit is plugged, water outside the foundation pit can flow out through the water drainage pipe by arranging the water drainage pipe, then the water pressure outside the water drainage pipe is reduced, and the plugging difficulty of the position of the anchor cable hole is reduced. The water-cement ratio of the cement grout and the grouting ratio of the water glass are limited, so that the initial setting time of the mixed liquid of the cement grout and the water glass is 40S, and the construction efficiency and quality are guaranteed.
本发明公开了一种基坑锚索处涌砂涌水的封堵方法，包括以下步骤：步骤1、在基坑内设置集水坑；步骤2、在基坑内漏水位置的锚索孔内插入泄水管，步骤3、基坑内封堵：步骤3.1、清理锚索孔周边的土；步骤3.2、在基坑内对锚索孔进行封堵；步骤4、基坑外封堵：步骤4.1、将两根注浆管穿过泄水管；步骤4.2、对穿过注浆管的泄水管进行临时封堵；步骤4.3、通过两根注浆管向基坑外侧注浆；步骤5、清理现场。在封堵基坑内的锚索孔时，通过设置泄水管，基坑外的水可通过泄水管流出，进而减少泄水管外侧的水压，减小了锚索孔位置的封堵难度。对水泥浆液的水灰比以及与水玻璃的注浆比限定，使得水泥浆液与水玻璃的混合液初凝时间为40S，保证了施工的效率与质量。
Plugging method for sand gushing and water gushing at anchor cable of foundation pit
The invention discloses a plugging method for sand gushing and water gushing at an anchor cable of a foundation pit. The plugging method comprises the following steps that 1, a water collecting pit is arranged in the foundation pit; 2, a water drainage pipe is inserted into an anchor cable hole in the water leakage position in the foundation pit; 3, the interior of the foundation pit is blocked; 3.1, soil on the periphery of the anchor cable hole is cleaned; (3.2) the anchor cable hole is blocked in the foundation pit; 4, external plugging of the foundation pit is conducted, specifically, 4.1, the two grouting pipes penetrate through the water drainage pipe; step 4.2, temporarily plugging the water drain pipe penetrating through the grouting pipe; 4.3, grouting is conducted on the outer side of the foundation pit through the two grouting pipes; and 5, cleaning the site. When the anchor cable hole in the foundation pit is plugged, water outside the foundation pit can flow out through the water drainage pipe by arranging the water drainage pipe, then the water pressure outside the water drainage pipe is reduced, and the plugging difficulty of the position of the anchor cable hole is reduced. The water-cement ratio of the cement grout and the grouting ratio of the water glass are limited, so that the initial setting time of the mixed liquid of the cement grout and the water glass is 40S, and the construction efficiency and quality are guaranteed.
本发明公开了一种基坑锚索处涌砂涌水的封堵方法，包括以下步骤：步骤1、在基坑内设置集水坑；步骤2、在基坑内漏水位置的锚索孔内插入泄水管，步骤3、基坑内封堵：步骤3.1、清理锚索孔周边的土；步骤3.2、在基坑内对锚索孔进行封堵；步骤4、基坑外封堵：步骤4.1、将两根注浆管穿过泄水管；步骤4.2、对穿过注浆管的泄水管进行临时封堵；步骤4.3、通过两根注浆管向基坑外侧注浆；步骤5、清理现场。在封堵基坑内的锚索孔时，通过设置泄水管，基坑外的水可通过泄水管流出，进而减少泄水管外侧的水压，减小了锚索孔位置的封堵难度。对水泥浆液的水灰比以及与水玻璃的注浆比限定，使得水泥浆液与水玻璃的混合液初凝时间为40S，保证了施工的效率与质量。
Plugging method for sand gushing and water gushing at anchor cable of foundation pit
一种基坑锚索处涌砂涌水的封堵方法
LI JUNSHENG (author) / YAN GUOFENG (author) / HUANG LEI (author) / JI WENJUN (author) / LI JIANYING (author) / XU LIGUO (author) / BAO YUCHENG (author) / ZHAI TIANYU (author) / WANG TAO (author) / LU YING (author)
2024-06-11
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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