House deviation rectifying sink well given force construction method
A caisson and house technology, applied in infrastructure engineering, building maintenance, construction, etc., can solve the problems of long construction period, troublesome and high construction cost, and achieve the effect of balanced and reasonable adjustment and good technical and economic benefits.
Inactive Publication Date: 2009-12-09
NANJING TECH UNIV +1
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Problems solved by technology
[0007] This method can also be forced to land to rectify the deviation. Compared with the previous method, it has advantages and disadvantages, but this method is more troublesome, and the construction period is sometimes longer. It is especially difficult to backfill so many earth-borrowing wells, and the construction cost is often higher.
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[0033] One to several circular or elliptical caissons are arranged in the foundation of the appropriate part inside the inclined house to carry out forced landing by soil dumping and jacking by grouting and compacting. The caisson is also used as a deviation correction operation room for workers. The inner diameter of a circular caisson is not less than 1500mm; the long and short axes of an elliptical caisson are not less than 1800mm and 1100mm respectively; the caisson is generally constructed with bricks along the grout joints; the depth of the caisson is generally about 1.2±0.5m; to facilitate workers to stand and operate. When the water level is below the groundwater level and the water supply is abundant, the caisson should be sealed with brick mortar powder or poured with concrete; the caisson structure is generally made according to the design and the construction is completed in one step. The ellipse also includes a rectangle with rounded corners and a rectangle with ...
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The construction method of caisson giving force for rectifying the house is to set the caisson in the foundation of the inclined house, and arrange several soil drainage holes and grouting holes on the wall of the caisson; By using the effect of pre-stress, the foundation of the high part of the house can be stably dumped and forced to land, and the foundation of the low part of the house can be grouted and compacted; The balanced matching and proper regulation will enable the leaning house to be rectified and reset safely and quickly: the implementation steps of the construction method are as follows: measure and locate the laid caisson; build the caisson; set soil drainage holes and grouting holes on the caisson ; Gradually implement deviation correction operations, forced landing and jacking for each caisson; seal the holes in time after the deviation correction is in place, and reserve the remaining settlement after deviation correction; carry out settlement monitoring and final data archiving.
Description
technical field [0001] The invention belongs to the technical category of a house foundation engineering deviation correction method for building pathological accident treatment. It is mainly to deal with serious tilting house accidents caused by uneven settlement of the foundation, and even the slope rate reaches or exceeds the dangerous house standard of 7‰, and implements rapid correction and correction to ensure long-term normal use after repair. Background technique [0002] The construction method of the invention is a new construction method for rectifying and straightening the foundation engineering of a house in the treatment of building pathological accidents to restore normal use. Because it mainly solves the house deflection treatment caused by uneven settlement of the foundation, or even serious differential settlement. The symptoms of the accident are manifested on the bearing body of the upper structural system of the house, but the cause of the accident lies ...
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IPC IPC(8): E02D35/00E04G23/02E04G23/06
Inventor 韩选江周孝侯孙晋川陈浩生王同华周芳
Owner NANJING TECH UNIV