Construction Method of Rapid Casting Concrete for Anti-sliding Pile Retaining Wall

Abstract

The invention provides a construction method for quickly pouring anti-slide pile protection wall concrete. After a previous section of poured protection wall concrete has a certain strength, a sand cushion layer is cleared, all sand cushions are collected together for standby application, and anti-slide pile excavation is continued; after the pouring height of one section of a protection wall is reached, protection wall steel bars are welded and bound under the poured protection wall; a sand bottom moldboard is laid to the position 3 centimeters above the bottom of a protection wall side moldboard, and the width of the sand bottom moldboard is 30 centimeters or above larger than that of the protection wall side moldboard; the optimized and improved protection wall side moldboard in which concrete feeding holes are pre-formed is erected, after the side moldboard is erected, the bottom of the side moldboard is embedded deep into 3 centimeters in a sand layer to prevent grout runout, the portion 5 centimeters above the top of the side moldboard is closely attached to the face of the previous section of the protection wall, and the protection wall moldboard is reinforced through steel pipes and adjustable lead screws. A concrete lifting bucket is lifted through a small lifting winch, the concrete can be directly poured into the moldboards through a simple movable concrete sliding groove, the concrete pouring speed is high, and the labor intensity of workers is reduced. Through the steps, quick construction of the anti-slide pile sand bottom moldboards is achieved.

Description

technical field [0001] The invention relates to the technical field of rapid construction of anti-sliding piles in loose and weak deep covering layers such as rock piles, in particular to a construction method for rapid pouring of anti-sliding pile wall protection concrete in loose rock piles in deep covering layers. Background technique [0002] In view of the large depth of the anti-slide pile covering layer, due to the influence of unfavorable geological conditions such as rock piles and water seepage during excavation, it is easy to cause collapse, causing safety accidents, and is also extremely unfavorable to the progress of the project. After research, the rapid construction of retaining walls, Ensuring the quality of retaining walls can solve such problems, and the construction speed and quality of retaining walls depend on the speed and quality of reinforcement, formwork installation and concrete pouring of retaining walls, as well as the scientific construction techn...

AI Technical Summary

Problems solved by technology

[0003] Usually, for the convenience of pouring the retaining wall concrete, a space of 15 to 20 cm is reserved between the upper part of the formwork and the previous retaining wall as the concrete feed port, so that a gap of about 20 cm will be left between the two pouring retaining walls. This gap is usually filled with mortar after the concrete pouring of the retaining wall is completed, and the gap of the feed inlet is repaired with mortar, and repairing the gap is a time-consuming and laborious thing, and it will also affect the excavation construction of the anti-slide pile in the next step progress; since the gap in the feed inlet was repaired with mortar later, there is still a certain gap between the quality of the repair mortar and the concrete of the retaining wall, which leaves quality and safety hazards on the retaining wall

Images