Karst region step-type basement water drainage structure and construction method thereof

A technology for drainage structure and basement, which is applied in the direction of infrastructure engineering, building components, building structure, etc., can solve problems such as the inability to achieve economical and effective drainage effects.

Inactive Publication Date: 2017-04-26
CHINA CONSTR FOURTH ENG DIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a stepped basement drainage structure and its construction method in karst karst areas to solve the problem that the traditional basement drainage method cannot achieve economical and effective drainage effects

Method used

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  • Karst region step-type basement water drainage structure and construction method thereof
  • Karst region step-type basement water drainage structure and construction method thereof
  • Karst region step-type basement water drainage structure and construction method thereof

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Embodiment

[0023] Reference Figure 1 to Figure 4 This embodiment provides an ultra-deep foundation pit stepped high-low-span basement floor drainage structure under the conditions of karst karst areas. This structure can effectively replace the traditional blind ditch drainage and can achieve a safe, economical and effective ultra-deep foundation pit Water-reducing effect.

[0024] Under the unique karst karst mountain conditions, during the excavation of the deep foundation pit, a stepped base 1 is formed. The base 1 is laid with a bottom plate 2. The base 1 includes a bottom step 11, an intermediate step 12 and The top floor steps 13 and the basement exterior wall 3 are built along the periphery of the base 1. A drainage blind ditch 4 with a drainage slope of 1% is set on the outer periphery of the basement exterior wall 3, and the water is introduced into the collection well 5 through the weight of the water. The bottom step 11 of 1 is provided with water collection wells 5. There are ...

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Abstract

The invention provides a Karst region step-type basement water drainage structure and a construction method thereof. A base distributed in a step form is arranged at the bottom of a basement, a bottom plate is laid in the position of the base, at least one water drainage blind ditch with a water drainage slope is arranged along the outer side of an external wall of the basement, water-collecting wells are arranged in a bottom layer step of the base, the lower ends of water pipes extend into the water-collecting wells, the other ends of the water pipes extend into a water storage basin formed in a basement positive and negative zero top plate surface, and self-priming pumps are arranged in the water-collecting wells correspondingly. The problem that economical efficiency or an effective water drainage effect cannot be achieved through a traditional base water drainage method is solved. The Karst region step-type basement water drainage structure and the construction method thereof belong to the technical field of building construction.

Description

Technical field [0001] The invention relates to an ultra-deep foundation pit step-type high-low-span basement floor drainage structure under the condition of a karst karst area, and belongs to the technical field of building construction. Background technique [0002] As the country promotes the development of urbanization, the scale of cities is rapidly expanding, but the land for urban construction is becoming increasingly tense. In southwest China, especially in Guizhou Province, there are many hills and hills. Engineering projects around cities are often located on mountain slopes. At the same time, due to the special karst geology and landforms in Guizhou, the overall stability of the mountain rock formations is poor. In the karst trough, there are many internal karst caves and underground rivers, and the bedrock is undulating. On this basis, the excavation of the foundation pit will form a layer of high and low spans. For this step-shaped high and low span foundation form,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/00E02D19/08E02D19/10
CPCE02D19/08E02D19/10E04B1/0007
Inventor 王斌张明余尚苏伟叶国昌岳巍
Owner CHINA CONSTR FOURTH ENG DIV
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