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Construction method for airport land formation

A construction method and airport technology, applied in infrastructure engineering, waterway systems, buildings, etc., can solve problems such as limited application conditions of sand dredging technology, meet post-construction settlement requirements, meet foundation bearing capacity, and avoid large demand Effect

Pending Publication Date: 2022-07-29
中交天航南方交通建设有限公司 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a new construction method for the formation of airport land areas in view of the limited applicable conditions of the dredging sand filling process in the prior art

Method used

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  • Construction method for airport land formation
  • Construction method for airport land formation
  • Construction method for airport land formation

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Embodiment

[0032] Considering that the soil surface area of ​​the airport runway is the green land around the runway area, the taxiway and the water surface area, and also functions as an aircraft take-off and landing buffer area, the subsequent post-construction settlement of the soil surface area is not more than 40cm, which is relatively low, and the soil surface area is relatively low. The thickness of the silt layer in the surface area is in the interval of 1.50m-4.50m, and the geological conditions are good. Therefore, the airport land formation method provided in this embodiment is mainly applied to the airport soil surface area. figure 1 , implement the following steps:

[0033] (1) Separate the cofferdam, and divide the backfill area A to be constructed into several districts:

[0034] The soil surface area of ​​Work Area A of this project is about 250,000 square meters. Such a large-scale drainage and earthwork backfill operation will inevitably reduce the construction progress...

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Abstract

The invention relates to the technical field of airport foundation treatment construction, in particular to a construction method for forming an airport land area, which comprises the following steps of: driving steel sheet piles in a to-be-constructed area of a soil surface area to form a waterproof curtain, enclosing the to-be-constructed area, draining water, and carrying out subsequent dry construction operation: paving a geomat on an original mud surface; and backfilling sandy soil to the elevation to form a land area. According to the construction method for forming the airport land area, the mode of backfilling sandy soil in the airport soil surface area in a dry method is adopted to replace a conventional sand blowing and filling mode, the foundation bearing capacity and post-construction settlement requirements of the airport soil surface area can also be met, the construction quality is guaranteed, meanwhile, the requirement for a large amount of sea sand is avoided, and the construction cost is reduced. And the limitation of a hydraulic reclamation process on a site is also avoided, so that a soil surface area can be smoothly implemented to form a land area, and the project operation progress is effectively promoted.

Description

technical field [0001] The invention relates to the technical field of airport ground treatment and construction, in particular to a construction method for the formation of airport land areas. Background technique [0002] In the land formation of airport projects and the construction of soft foundation treatment, the land formation of airports at home and abroad generally adopts the sand blasting process, and then the soft foundation treatment is formed by inserting and beating drainage boards to form plots. Due to the scarcity of legal sand sources but the strong market demand, the high auction price of sand sources has led to a sharp increase in the price of sand materials and an unstable supply of sand materials, resulting in the inability to guarantee the construction quality and progress. Due to the special geographical location of the first-class navigation hole, it is impossible to place a sand pump on the outside of the Yanjiang Expressway, and it is impossible to ...

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Application Information

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IPC IPC(8): E02D19/18E02D5/04E02D19/04E02D19/06E03F5/04E03F5/10
CPCE02D19/18E02D5/04E02D19/04E02D19/06E03F5/04E03F5/10
Inventor 林志明朱明王矜持彭森林关野王琰侯晓乐张云飞邹舟
Owner 中交天航南方交通建设有限公司
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