A structure and construction method for preventing basement floors of buildings facing the sea from freezing and dew condensation
A basement floor and construction method technology, which is applied in the direction of infrastructure engineering, construction, protection devices, etc., can solve the problems of concrete floor concrete cold, condensation, etc., and achieve significant economic and comprehensive benefits
Inactive Publication Date: 2011-12-21
SHENZHEN HONGXUAN BUILDING ENG
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Problems solved by technology
Therefore, only by doing external insulation of the basement floor concrete can the root cause of the problem of cold and condensation of the floor concrete be solved
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[0018] The present invention will be further described below in conjunction with the accompanying drawings.
[0019] Depend on figure 1 It can be seen that when the plain concrete cushion layer 7 of the bottom plate has been poured and the waterproofing of the coiled material 5 has been done, the construction mix ratio made according to the moisture content of the materials on site is supplied by the concrete mixing station or mixed on site with ordinary macroporous concrete 1, and then the Ordinary macroporous concrete 1 is poured continuously on the surface of membrane waterproof 5 . The pouring thickness is properly selected within 100-150mm, mainly considering the local winter temperature and the degree to which the water content of the foundation is affected by seawater. Some, on the contrary, take a smaller one.
[0020] After 12 hours (final setting time) of ordinary macroporous concrete 1 pouring, steel bars can be installed thereon, and base plate impermeable concre...
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The invention relates to the field of construction engineering, in particular to a structure and a method for preventing basement floors of buildings facing the sea from being exposed to cold and dew condensation. Its main structure is: including the plain concrete cushion of the floor, waterproof membrane, impermeable concrete, shear wall impermeability concrete, shear wall external insulation layer and protective wall. In between, add a layer of ordinary macroporous concrete. By pouring ordinary large-pore concrete, an insulation layer is added to the basement floor, so that the concrete of the basement floor will not suffer from cold or condensation even when the external temperature is very low. The invention expands the design ideas in the field of heat preservation of basement floors of buildings near the sea, and at the same time provides an effective method for the construction industry to cure the common quality problems of basement floors through cold and dew condensation, so that construction units or users do not have to spend years and years Invest manpower, material resources and financial resources to deal with such problems. Its economic and comprehensive benefits are extremely significant.
Description
Technical field: [0001] The invention relates to the field of construction engineering, in particular to a structure and a construction method for preventing basement floors of buildings facing the sea from freezing through and dew condensation. technical background: [0002] For the basement projects of buildings facing the sea, heat preservation, anti-leakage and moisture-proof are important technical indicators and quality requirements. Hollow block insulation is used for external insulation and frame parts, but no matter in design or construction, the basement floor structure is not insulated. When the outside temperature is low, the freezing point of groundwater is very low due to the geological conditions near the sea, and the basement floor Concrete surfaces are prone to cold and condensation problems. After the project is put into use, under the premise of not destroying the concrete of the basement floor, no matter what measures are taken, this problem cannot be ef...
Claims
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IPC IPC(8): E02D31/02
Inventor 魏勇
Owner SHENZHEN HONGXUAN BUILDING ENG