Safety belt hanging method for underground diaphragm wall

Abstract

The invention discloses a safety belt hanging method for an underground diaphragm wall. A safety belt hanging bracket arranged on a foundation pit enclosure wall under construction is adopted to hanga safety belt worn by construction personnel; the foundation pit enclosure wall under construction comprises an underground diaphragm wall and a water-retaining wall arranged on the underground diaphragm wall; and the safety belt hanging bracket comprises a safety rope connected with the safety belt, a movable bracket, a safety rope winding mechanism, a safety rope anti-reverse mechanism and a safety rope guiding mechanism. When the safety belt is hung, the method comprises the steps that first, a construction platform is erected; second, the safety belt hanging bracket is moved into place; and third, the safety belt is hung. The safety belt hanging method for the underground diaphragm wall is simple, the design is reasonable, and the use effect is good; and the safety belt hanging bracketwhich can be moved simply and conveniently and can be firmly fixed is adopted to provide a safety belt hanging point which is flexible in position, simple and convenient for the hanging of the safetybelt hanging point, and safe and reliable, so that the safety belt hanging requirement during large-area manual chiseling operation of the underground diaphragm wall can be effectively met, and it isensured that the construction process is safe and reliable.

Description

technical field [0001] The invention belongs to the technical field of underground diaphragm wall construction, and in particular relates to a safety belt hanging method for an underground diaphragm wall. Background technique [0002] Diaphragm wall (also known as underground diaphragm wall) is a long and narrow deep groove excavated along the peripheral axis of the deep excavation project under the condition of mud retaining wall on the ground, and steel bars are hung in the groove after cleaning the groove Cage, and then use the conduit method to pour underwater concrete to build a unit trough section; in this way, a continuous reinforced concrete wall is built underground as a water interception, seepage prevention, load-bearing, and water retaining structure. The underground diaphragm wall belongs to an advanced construction method, which utilizes the outer wall of the same retaining wall of the underground space structure as the support of the deep foundation pit, and c...

AI Technical Summary

Problems solved by technology

Especially when the excavation area on the underground diaphragm wall of the foundation pit of the subway station is large, for example, when the underground diaphragm wall with a height of 9.3 meters and a length of 76 meters is manually excavated, since the height of the excavation area is 9.3 meters And its length is 76 meters, the chiseling area is very large, frequent high-altitude operations will inevitably cause great safety hazards, and bring certain difficulties to safety management

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