Wet lay-up and edge-jointing construction method of single-sided adhesive wet lay-up waterproof coiled material

Abstract

The invention relates to a wet lay-up and edge-jointing construction method of a single-sided adhesive wet lay-up waterproof coiled material. The method comprises the following steps: 1, previously setting aside an edge-jointing part while producing the single-sided adhesive wet lay-up waterproof coiled material, wherein the edge-jointing part is provided with a reinforced film, a reaction viscose or a self adhesive and an insulation blocking film; and tearing down the insulation blocking film covered on the edge-jointing part to directly carry out wet lay-up and edge-jointing in the edge-jointing process of the wet lay-up waterproof coiled material; and 2, for the single-sided adhesive wet lay-up waterproof coiled material with no edge-jointing part previously set aside, laying a wet lay-up waterproof coiled material with a width of 60-100mm or a double-sided viscose by a dry lay-up method at the edge-jointing part, and then carrying out wet lay-up and edge-jointing, wherein cross parts are laminated by the viscose so as to form a large-area waterproof coiled material layer. By using the method, the jointing parts can be strictly bound, and can be subject to a chemical crosslink reaction with the reaction viscose sealant layer covered on the concrete layer so as to achieve the tight, firm and irreversible bonding effect. Therefore, the invention is applicable to the edge-jointing construction of the single-sided adhesive wet lay-up waterproof coiled material in roof and underground waterproofing work.

Description

technical field [0001] The invention relates to a construction method of building waterproof coiled materials, in particular to a construction method for wet-laying waterproof sheets or coiled materials for laying roofs, subways, basements and other projects. Background technique [0002] At present, there are more and more waterproof and anti-seepage projects for laying roofs, basements, tunnels, subways, etc. The materials used for waterproofing are mainly coatings and various sheets or coils. The appearance of the polymer sheet of the first layer, because it can be produced in a factory and is easy to use, is more and more popular in building construction, especially in the construction of tunnels and subways. The adhesive side is directly pasted to the concrete surface to achieve the purpose of waterproofing. [0003] However, the common waterproof materials at present mainly include coatings, coiled materials, sealants, and waterstops. The most used waterproof coating...

AI Technical Summary

Problems solved by technology

[0006] The waterproof membranes seen are generally divided into two types: double-sided adhesive and single-sided adhesive. The double-sided adhesive is coated with adhesive on both sides of the base fabric. However, the cost of double-sided adhesive waterproof membranes is relatively high. People have also begun to apply single-sided adhesive waterproof membranes to projects, but the single-sided adhesive waterproof membranes are connected to each other (the joint between two waterproof membranes) including the inventor's and cast-in-place concrete or cement. The gel can act as a chemical cross-linking reaction and a physical mortise and tenon synergy. The joint between the two waterproof membranes of the sealant layer cannot be bonded, which will eventually lead to the danger of leakage on the joint surface.

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