Miniature open caisson prefabricated moulding bed construction method for silt and drift sand area rich in underground water

A groundwater and miniature technology, applied in caissons, infrastructure engineering, excavation, etc., can solve problems such as poor construction quality, slow construction progress, and many process steps, so as to save the cost of precipitation measures, speed up construction progress, and solve process steps many effects

Inactive Publication Date: 2021-03-26
NO 9 METALLURGICAL CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a prefabricated tire formwork construction method for miniature caissons used in silt quicksand areas with abundant groundwater. The present invention reduces the construction process steps, speeds up the construction progre

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  • Miniature open caisson prefabricated moulding bed construction method for silt and drift sand area rich in underground water
  • Miniature open caisson prefabricated moulding bed construction method for silt and drift sand area rich in underground water
  • Miniature open caisson prefabricated moulding bed construction method for silt and drift sand area rich in underground water

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[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] It should be noted that, in this document, the terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or apparatus. without further restrictions. An element defined by the phrase...

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Abstract

The invention provides a miniature open caisson prefabricated moulding bed construction method for a silt and drift sand area rich in underground water, and belongs to the technical field of buildingconstruction. A miniature open caisson type reinforced concrete moulding bed and a corresponding key construction method are adopted to realize water-wet operation construction of a small shallow foundation pit or an in-pit pit. The construction method integrates a foundation pit supporting function, a foundation pit brick moulding bed function and an inverted filter drainage well function, the construction process is simple and safe, the manufacturing cost is low, a large amount of dewatering measure cost can be saved, and the construction period is shortened. Compared with a traditional process of dewatering and draining underground water at first, then excavating a foundation pit and building a brick moulding bed, an enclosure and moulding bed system has the advantages that the construction process steps are obviously reduced, the construction progress is accelerated, and the structural concrete quality is improved; the problems that in a traditional local deep pit partial bottom plate deep pit construction method, the number of technological steps is large, the construction progress is slow, the construction quality is poor, and potential safety hazards exist are solved.

Description

technical field [0001] The invention belongs to the technical field of building construction, and in particular relates to a construction method of a miniature caisson prefabricated tire mold used in a silt quicksand area with abundant groundwater. Mainly for the maintenance of local subsidence deep pits with pile foundation floor and brick tire formwork system in the construction of industrial and civil buildings and municipal public engineering structures, especially for the construction of local deep pits in the bottom of foundation pits with abundant groundwater and large-scale excavation At that time, the construction method of replacing the temporary enclosure of the local deep pit and the brick tire form of the concrete structure in the pit with prefabricated reinforced concrete miniature tire formwork. Background technique [0002] At present, most of the existing local deep foundation pit construction technologies adopt the construction technology of supporting in t...

Claims

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Application Information

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IPC IPC(8): E02D17/04E02D23/00E02D23/08
CPCE02D17/04E02D23/00E02D23/08
Inventor 王武张艳芳陈奎张永超孙麒麟秦英杰
Owner NO 9 METALLURGICAL CONSTR
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