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Municipal Traffic Waterproofing Solution
Municipal traffic waterproofing is a crucial task that directly affects the durability, safety, and operating costs of infrastructure such as roads, bridges, tunnels, and high-speed railways.
Bridges, tunnels, and other structures will undergo deformation under the action of loads and temperatures. Waterproof design (especially material selection) must be able to adapt to this deformation and avoid failure due to cracking.
Precautions for Selecting Materials
Choose Reliable Brands and Products
Priority should be given to selecting well-known brand products that have been extensively tested in engineering practice and have a good reputation. Strictly review the quality certification documents of materials (such as certificates of conformity and inspection reports), and conduct on-site sampling and re inspection according to regulations.
Common Material Types and Applicable Scenarios
Roll materials: such as modified asphalt waterproofing rolls (SBS, APP), polymer waterproofing rolls (PVC, TPO). Suitable for large-scale flat base layers, such as roadbeds and bridge decks.
Coatings: such as polyurethane waterproof coatings, polymer cement waterproof coatings (JS), and spray polyurea. Suitable for base layers with complex shapes, such as tunnel lining and irregular structures.
Rigid waterproof materials: such as permeable crystalline waterproof coatings and waterproof mortar. Commonly used for structural self waterproofing or waterproofing of the back water surface.
Brief:TPO waterproofing membrane special blending technology to polymerize ethylene-propylene rubber and polypropylene, adding antioxidants, light stabilizers, efficient flame retardants and other additives, and extruding A new type of waterproof membrane made with advanced technology.
Brief:TPO waterproof membrane is made by using special blending technology to polymerize ethylene-propylene rubber and polypropylene, adding antioxidants, light stabilizers and other additives, and through an extrusion process. New waterproof membrane.
Brief:Reinforced PVC Waterproofing Membrane is a new type of polymer waterproof coiled material, which is based on resin, added with a certain amount of plasticizer, anti-aging agent, stabilizer, UV absorber, lubricant, filler and other processing aids, and extruded in one time.
Brief:Homogeneous PVC Waterproofing Membrane is a homogeneous waterproofing membrane made from high-quality polyvinyl chloride (PVC) resin as the main component, with the addition of functional additives such as plasticizers, stabilizers, and UV resistant agents.
The grassroots must be sturdy, flat, clean, and free from visible water. An uneven base layer can lead to hollowing of waterproofing membranes and uneven coating thickness. All internal and external corners should be made into circular arcs to facilitate the installation of waterproof layers.
Strictly Follow the Construction Process
Waterproof membrane construction: Ensure sufficient overlap width, reliable hot melt or welding quality, and avoid virtual welding and missed welding.
Coating construction: Ensure that the coating is applied multiple times, the thickness is uniform, and there are no omissions. Wait until the previous coat is completely dry before proceeding with the next coat of construction.
Detail node enhancement processing: For joints, pipe roots, and other parts, additional layers must be added first, which is the focus of quality control.
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