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Method for processing soft soil foundation of intertidal belt to form construction working face

A soft soil foundation and working surface technology, applied in soil protection, infrastructure engineering, construction and other directions, can solve the problems of no economical and reasonable method, the intertidal zone cannot be directly applied, and the construction is difficult, and achieves easy operation and construction. Simple and convenient, convenient construction effect

Active Publication Date: 2010-05-05
BAOSTEEL ENG & TECH GRP
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Problems solved by technology

The construction technology and experience in the construction of various buildings and structures in the coastal waters or on land for many years cannot be directly applied in the intertidal zone, so the construction is extremely difficult
[0005] For the special construction environment of the intertidal zone, there is no economical and reasonable method to form a temporary construction work surface

Method used

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  • Method for processing soft soil foundation of intertidal belt to form construction working face
  • Method for processing soft soil foundation of intertidal belt to form construction working face
  • Method for processing soft soil foundation of intertidal belt to form construction working face

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Embodiment Construction

[0031] The present invention will be further described below through preferred embodiments in conjunction with the accompanying drawings.

[0032] see figure 1 and figure 2 , according to a method of forming a construction work surface for intertidal soft soil foundation treatment of the present invention, the grouting method of compaction grouting is adopted, and the thick slurry is pressed into the soil layer through the borehole 4, and the soil is compacted Squeeze in with the grout, form the space of grout bubble 6 around the grouting point, and at the same time produce radial uplift force due to the squeeze of the grout, which will cause local uplift of the ground to increase the bearing capacity of the soil, thus forming the construction work surface or For sites with other functions, the specific construction steps are as follows:

[0033] 1. Drilling: use drilling rigs, water pumps, mud mixers and other drilling equipment to drill holes. Drilling methods mainly inc...

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Abstract

The invention relates to a method for a processing soft soil foundation of an intertidal belt to form a construction working face. According to the method, slurry is compressed into soil strata through drilling holes in a grouting mode of compact grouting, and with the compact of soil body and the entry of the grout fluid, grout foam space around grout compressing points is formed; and meanwhile, since a radial uplift force is formed under the action of the entry of the grout fluid, local unheaval of the stratum is caused to increase the bearing force of the soil body, thus, the construction working surface or a functional site is formed. The method comprises the concrete construction steps as follows: A. drilling holes by using drilling equipment of a drilling machine, a water pump and a slurry stirrer; B. grouting; C. forming the grout foam space around the grout compressing points to cause the local unheaval of the stratum; and D. finally forming the construction working face. The construction technology can overcome the defects of insufficient bearing force of soft soil and larger sink in the intertidal belt and form a duricrust meeting the construction requirement on the surface of the soft soil in the intertidal belt and has low construction cost, convenient construction and less time.

Description

technical field [0001] The invention relates to a construction technique for soft soil foundations of coastal tidal flats, in particular to a construction method for performing foundation treatment on soft soil in the intertidal zone of coastal tidal flats to form a construction work surface. Background technique [0002] my country has a vast tidal flat area. Due to the large tidal range in the coastal waters, the tidal flat area is very flat and the intertidal zone is rich in resources. However, the environment in the intertidal zone is special, the corresponding technical level is limited, the land use value is low, and the development level is not yet high. [0003] In recent years, land resources in coastal areas have become increasingly tense, and these coastal tidal flat resources have gradually become the target of development. Construction of various structures, such as wind farms, etc. began on tidal flats, that is, the intertidal zone with relatively low land us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/12E02D3/02
Inventor 陈炯孙绪东
Owner BAOSTEEL ENG & TECH GRP
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