Complete application method of wall column combined with foundation treatment in coastal soft soil area
A foundation treatment and application method technology, applied in soil protection, infrastructure engineering, construction, etc., can solve the problems of building foundation concrete damage, reducing the service life of buildings, etc., to improve the environment, absorb seismic wave energy, and strengthen anti-corrosion The effect of the function
Active Publication Date: 2016-06-08
SHENYANG ZHONGJIAN DONGSHE GEOTECHN ENG
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Problems solved by technology
If there is a lack of accurate analysis and evaluation, or improper measures are taken, it will cause great damage to the foundation concrete of the building and greatly reduce the service life of the building.
Method used
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[0022] The present invention is specifically described below in conjunction with accompanying drawing, as figure 1 , figure 2 shown, (where figure 1 yes figure 2 Middle A-A direction sectional view) the bottom of the reinforced concrete building 4 is a concrete raft 5, a shallow improved body 6 is arranged under the concrete raft 5, and a cylindrical foundation 7 is arranged under the shallow improved body 6; the cylindrical foundation 7 is formed from the building The depth gradually decreases from the center to the outer edge of the foundation;
[0023] The cylindrical foundation 7 material is treated with scrap steel slag, lime, cement, etc. and on-site soil mixing or spraying;
[0024] Among the cylindrical foundations, the foundation with the greatest depth is reinforced concrete 8;
[0025] The two ends below the concrete raft 5 are provided with wall foundations 9;
[0026] The material of the wall foundation 9 is treated with scrap steel slag, lime, cement, etc....
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The invention discloses a complete application method of wall column combined with foundation treatment in coastal soft soil areas. The cylindrical foundation arranged under the concrete raft slab gradually decreases in depth from the center of the building to the outer edge of the foundation. The invention has the advantages of using waste steel slag as the main solidified material for foundation treatment, and reducing different settlements of the foundation by adjusting the wall-type or column-type improvement depths at different positions. Since the rigidity of the improved soil will be lower than the rigidity of the pile body, it will also have greater viscosity, and the wall-type shallow improvement will be implemented on the peripheral part of the foundation, which greatly improves the horizontal resistance. At the same time, it can effectively absorb the seismic wave energy, so as to achieve the shock-proof effect. Since the improvement of the foundation soil is carried out in the form of mixing the on-site soil with scrap steel slag, cement, etc., the construction is simple and saves the handling process of the on-site waste soil, achieving the effect of economy and environmental protection, and at the same time solving the problem of foundation anti-corrosion.
Description
technical field [0001] The invention relates to the field of construction, in particular to the application of a wall column combined with a ground treatment method. Background technique [0002] Due to long-term natural dynamics and human actions in coastal areas, different weak soil layers have been formed in different areas. In relatively stable areas covered by rivers or seawater, deep and thick silt with high water content is mainly formed; in unstable areas such as near the coast, silt, sand and mud alluvium and interactive layers are mainly formed; while artificial land reclamation and land reclamation Urban construction has filled many tidal flats with new soil and stone layers. These soil layers have high compressibility and low bearing capacity, and basically cannot be directly used as bearing layers of buildings. In some projects, due to insufficient understanding of its characteristics, the uneven settlement of the building leads to tilting or cracking. [000...
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IPC IPC(8): E02D3/00E02D3/12
Inventor 曾庆辉顾亮
Owner SHENYANG ZHONGJIAN DONGSHE GEOTECHN ENG