Soft foundation treatment construction method based on novel foam concrete
A foamed concrete and soft foundation treatment technology, applied in soil protection, infrastructure engineering, construction, etc., can solve problems such as affecting the safety of buildings, reducing the stability of filling structures, and unable to control the quality of foundations. The effect of foundation quality and building safety improvement
Inactive Publication Date: 2019-05-21
程桂香
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Problems solved by technology
[0005] 3. Blind ditch
[0008] The existing soft ground treatment methods cannot control the quality of the ground after construction when it is applied to some special ground conditions during the construction process. For example, some grounds are composed of fine particles such as clay and silt, or loose soft soil with a large amount When the soft foundation composed of organic matter soil with large pores, peat and loose sand and other soil layers coexists with the condition of high groundwater level, the filling on it cannot be carried out well, and the filling structure above the foundation The stability is reduced. During the construction process, the soft soil and the organic soil with large gaps seep into the groundwater to form a sliding layer of the foundation, which affects the construction safety of the buildings above.
Method used
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Embodiment 1
[0046] see figure 1 , a soft ground treatment construction method based on a new type of foam concrete. The composition of foam concrete includes: Portland cement, active mixed materials, river sand, glass fiber, foaming agent, water reducing agent, activated silica, Thickener, high-efficiency water reducer, water, ordinary sand and admixture, its construction process includes the following steps:
[0047] Step 1. The site is leveled. Use professional measuring tools to measure the ground elevation of each corner point in the construction area. Based on the measured ground elevation, calculate the design elevation and construction height of each intersection point, and perform excavation and filling on the uneven ground;
[0048] Step 2, laying the cushion sand cushion, laying the cushion material on the flat foundation surface, and using a vibrating tamp to process the cushion material so that the cushion material is evenly spread on the foundation surface;
[0049] Step 3: ...
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The invention discloses a soft foundation treatment construction method based on novel foam concrete and belongs to the technical field of soft foundation treatment. The construction process of the soft foundation treatment construction method based on novel foam concrete comprises the following steps of: leveling the field, laying a cushion base sand cushion layer, arranging a gas-liquid bidirectional pipeline, performing internal pressure air exhaust on the soft foundation, preparing cement slurry, foaming concrete and filling foam concrete. Aiming at a part of foundations composed of fine particles such as clay and silt, or a soft foundation formed by high-content soft soil, organic matter soil with large pores, and soil layers such as peat and loose sand, the foundation is filled withfoam concrete, the high water absorption rate of the foam concrete is utilized, the foam concrete after penetrating through and absorbing water through the capillary pores separates the soft foundation at the building from foundations in other areas, formation of a foundation sliding layer at the soft foundation is reduced, the foundation quality of special terrains is enhanced, and then the building safety on the soft foundation surface is improved.
Description
technical field [0001] The invention relates to the technical field of soft foundation treatment, in particular to a construction method for soft foundation treatment based on novel foam concrete. Background technique [0002] Soft foundation treatment, also called soft foundation treatment, is that if the foundation is not strong enough before construction, in order to prevent accidents such as building instability caused by foundation sinking and cracking after construction, it is necessary to treat the soft foundation to make it strong enough for settlement. The process of improving the consolidation degree and stability of the soft foundation to the design requirements. Most of the situations that are often encountered in construction are not soft soil foundations, because if there are soft soil foundations, in general, the design should be based on geological data, and a treatment method should be proposed. In most cases, the local geological conditions are different f...
Claims
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Login to View More IPC IPC(8): E02D3/00E02D3/12E02D3/10
Inventor 不公告发明人
Owner 程桂香