Municipal drainage pipeline slurry balance pipe-jacking construction method

Abstract

The invention provides a municipal drainage pipeline slurry balance pipe-jacking construction method which includes that on a municipal drainage construction pipeline, every 80-120m pipeline serves as one construction section, a working pit and a receiving pit are adopted in each construction section to serve as pipe-jacking sinking wells, the sinking wells are sunk to be at the designed sinking well height, and then slurry balance machines are used for pipe-jacking construction; and the sinking wells are subjected to groove digging by aid of steel plate piles and water stop curtain supports, the machines are used for earthwork digging in the sinking process, the sinking wells are sunk to the preset depth under the effect of sinking well rebar concrete self weight or external force, and the slurry balance machines are used for pipeline pipe-jacking construction. The municipal drainage pipeline slurry balance pipe-jacking construction method has the advantages of having strong safety, having small influence on close buildings and pipelines, leading the earth surface to have small settlement and shifting, and being short in construction period, saving in manufacture cost, small in floor occupation and the like, solves the technical problems of advanced support construction for rain falling, wide digging range and large damage influence on surrounding pipeline roads, and is especially applicable to construction in narrow places and other complex environment conditions.

Description

technical field [0001] The invention relates to a mud-water balance pipe jacking construction method for municipal drainage pipelines. The construction method is suitable for use in urban road reconstruction projects, especially when conventional construction methods cannot be used in quicksand and silt areas. Background technique [0002] In urban road widening and reconstruction projects, the geology is relatively complex. During construction, it is necessary to consider both the construction period and the closed traffic problem. If the construction is carried out according to the conventional construction method (grooving and sloping, slotting support), the safety of surrounding buildings cannot be guaranteed. , At the same time, the construction cost is increased, and the construction period cannot be guaranteed. In addition, in the conventional construction method, certain trench support measures are required for slotting construction. Once the construction environment...

AI Technical Summary

Problems solved by technology

[0002] In urban road widening and reconstruction projects, the geology is relatively complex. During construction, it is necessary to consider both the construction period and the closed traffic problem. If the construction is carried out according to the conventional construction method (grooving and sloping, slotting support), the safety of surrounding buildings cannot be guaranteed. , at the same time,