Waterproof method for precast concrete external wall hanging plate

Abstract

The invention discloses a waterproof method for a precast concrete external wall hanging plate. The waterproof method comprises the steps that a transverse drainage trough is formed in an upper opening of the precast concrete external wall hanging plate, and a vertical water releasing trough is formed in the vertical spliced seam of the precast concrete external wall hanging plate; a drainage pipeis arranged at a bottom concrete base, and rainwater invading the interior of the precast concrete external wall hanging plate is exhausted through the transverse drainage trough, the vertical waterreleasing trough and the drainage pipe; and a transverse vapour exhausting trough is formed in an lower opening of the precast concrete external wall hanging plate, a vapour exhausting pipe is arranged in a cast-in-place top pressing part at the top of the precast concrete external wall hanging plate, and water vapour remaining in a concrete external wall hanging plate system is exhausted throughthe transverse vapour exhausting trough, the vertical water releasing trough and the vapour exhausting pipe. By means of the waterproof method for the precast concrete external wall hanging plate, therainwater and the water vapor which invade the precast concrete external wall hanging plate can be exhausted downwards smoothly and permeated upwards smoothly, the purpose that the rainwater and thewater vapor which are permeated into the external wall hanging plate are exhausted is achieved, the waterproof effect of precast concrete external wall hanging plate is improved, and the method is especially suitable for the precast concrete exterior wall hanging plate in rainy and typhoon areas of the south of the Yangtze River in our country

Description

technical field [0001] The invention relates to a waterproof method for a prefabricated concrete exterior wall hanging board used in construction engineering, and belongs to the innovative technology in the field of assembled concrete structures in construction engineering. Background technique [0002] Prefabricated buildings are being vigorously developed in my country. Prefabricated concrete exterior wall hanging panels are widely used in prefabricated buildings as building envelopes. According to the environment where the project is located and the height of the building, etc., the waterproofing of the precast concrete exterior wall hanging panels generally adopts a waterproofing or a secondary waterproofing. The climate in the south of the Yangtze River in my country is humid and rainy, and the secondary waterproofing is generally used. Typhoons frequently occur in the coastal areas of the south of the Yangtze River in summer, and the conventional waterproofing methods ...

AI Technical Summary

Problems solved by technology

Make the prefabricated concrete external wall hanging plate can be unimpeded underground drainage, achieve the purpose of draining the rainwater and residual water vapor in the inner cavity of the external wall hanging plate, and achieve the same life as the building, and there is no need to replace the waterproof material in advance when the service life expires question

Images