Basement drainage plate and construction method

Abstract

The invention discloses a basement drainage plate and a construction method. The basement drainage plate comprises a drainage plate; the drainage plate is arranged at the upper part of a basement baseplate, and is provided with hollow convex points outwards projected; hollow grooves are formed in the other surface of the drainage plate; the drainage plate is buckled and joined with the hollow grooves through the hollow convex points; the hollow convex points are downwards paved; a gap drainage sandwich layer is arranged among the hollow convex points; and concrete is cast in the hollow grooves. The construction method of the basement drainage plate comprises the steps of deep design, construction preparation, substrate treatment, pavement of the drainage plate, casting of the concrete on the drainage plate, construction of reinforcements and surface-layer concrete, and inspection and acceptance. The drainage plate is joined in a basement to achieve large-area standard construction, convenient and fast operation and low cost; the next procedure can be performed after the pavement is finished; the standard material and the standard construction are achieved; the material consumption and the construction energy consumption are reduced; and the national policy requirements of energy conservation and emission reduction are met.

Description

technical field [0001] The invention relates to a basement drainage board and a construction method thereof. Background technique [0002] The common methods of bottom slab waterproofing in underground engineering include external waterproofing, internal waterproofing and structural self-waterproofing, etc. In high-rise buildings, due to the high rigidity of rafts and independent foundations and the small rigidity of water-resistant panels, concrete is prone to shrinkage cracks and is mainly distributed in the Around the raft and independent foundation, at the same time, the settlement of the foundation also increases the probability and degree of cracks around the raft and independent foundation, especially for underground projects that are often subjected to water pressure. The general waterproofing process can not always solve the waterproofing problem of underground engineering floor well. [0003] The above deficiencies need to be improved. Contents of the invention ...

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Problems solved by technology

[0002] The common methods of bottom slab waterproofing in underground engineering include external waterproofing, internal waterproofing and structural self-waterproofing, etc. In high-rise buildings, due to the high rigidity of rafts and independent foundations and the small rigidity of water-resistant panels, concrete is prone to shrinkage cracks and is mainly distributed in the Around the raft and independent foundation, at the same time, the settlement of the foundation also increases the probability and degree of cracks around the raft and independent foundation, especially for underground projects that are often subjected to water pressure. The general waterproof process can not always solve the waterproof problem of underground engineering floor

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