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About UsZHONGTAI HENGBANG Engineering Technology Co., Ltd. is located in the Academician Entrepreneurship Base of Tai'an National High-Tech Industrial Development Zone, Shandong Province. The company is a comprehensive service provider specializing in engineering consulting and design, materials R&D and manufacturing, as well as operations and maintenance. With strong technical expertise and robust R&D capabilities, its products are primarily applied in critical areas such as water conservancy infrastructure projects, transportation infrastructure initiatives, and environmental protection solutions for isolating and preventing leakage from urban waste and highly hazardous industrial solid waste.
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ProductsZHONGTAI HENGBANG Engineering Technology Co., Ltd. boasts production lines sourced from countries including Germany, Italy, Denmark, Belgium, and Switzerland, adhering to rigorous quality management systems and testing standards. We are equipped with advanced testing equipment capable of evaluating tensile strength, creep resistance, UV protection, water permeability, flame retardancy, antistatic properties, chemical corrosion resistance, and oxidation performance.
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Application CasesThe product is primarily used in hydraulic infrastructure projects, transportation infrastructure projects, and environmental protection applications—including the isolation and impermeability of municipal waste and highly hazardous industrial solid waste.
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BlogPrioritizing technological advancement and innovation, our company is committed to fulfilling user needs to the fullest extent possible.
Yunnan EVA Waterproof Membrane Laying Quality Standards and Engineering Applications
Release date:
2020-11-23
① Yunnan Qujing EVA Waterproof Membrane The spacing of the fixed points meets the design requirements. The fixed points are arranged in a plum-blossom pattern, with distances as follows: 500–800 mm at the arch crown; 800–1000 mm along the sidewalls; and 1500–2000 mm at the base slab.
② Yunnan Qujing EVA Waterproof Membrane With the base surface tightly against it, gently lift the plastic sheet by hand at the arch section—ensuring complete contact with the base everywhere, except in areas where the gap is less than 10%.
Yunnan Qujing EVA Waterproof Membrane Weld width ≤ 25 mm, lap width ≤ 100 mm; welds must be smooth, free of wrinkles, and free from burn-through, scorching, or delamination defects.
③ Yunnan Qujing EVA Waterproof Membrane When performing the inflation check, the inflation pressure should be maintained at 0.12–0.15 MPa for a stabilization period of no more than 5 minutes, with an allowable pressure drop of up to 20%. If the pressure exceeds this limit, re-welding is required until the specifications are met.
④ Yunnan Qujing EVA Waterproof Membrane Every 1,000 meters of welding, one weld seam must be randomly inspected, and at least one sample should be taken daily from each heat-sealing machine.
Application and Use:
Yunnan Qujing EVA Waterproof Membrane Suitable for seepage control liners in highways, railway tunnels, reservoirs, embankments, water storage tanks, and various underground or underwater projects. Applications include urban waste landfills, coal ash dam management, road construction, railway projects, drainage systems, hydraulic engineering, tunnel construction, seepage prevention in dikes, dams, and sluices, waterproofing of liquid storage facilities, as well as lining channels for water, oil, and liquid transport, seepage barriers at solid waste disposal sites, roof waterproofing, and moisture-proofing for building basements, underground warehouses, and parking garages. Additionally used in pile-membrane cofferdams, land reclamation projects, and port infrastructure development.
Yunnan Qujing EVA Waterproof Membrane Product specifications: Thickness: 0.30–3.00 mm; Width: 1 m–6 m
ZHONGTAI HENGBANG Engineering Technology Co., Ltd. is a comprehensive service provider integrating engineering consulting and design, material R&D and manufacturing, as well as operations and maintenance. With robust technical expertise and strong R&D capabilities, our products are prominently applied in critical environmental protection fields such as hydraulic infrastructure projects, transportation infrastructure initiatives, and the isolation and impermeability solutions for urban waste and hazardous industrial solid waste management. The company boasts advanced production lines sourced from Germany, Italy, Denmark, Belgium, Switzerland, and other countries, adhering to stringent quality management systems and rigorous testing standards. We are equipped with state-of-the-art equipment capable of evaluating key properties—including tensile strength, creep resistance, UV resistance, water permeability, flame retardancy, anti-static performance, chemical corrosion resistance, and oxidation stability—ensuring superior product quality. Furthermore, our enterprise has successfully obtained certifications such as CRCC, ISO 9001, ISO 14001, OHSAS 18000, and MA certificates, along with inspection reports from China’s Ministry of Railways and Ministry of Water Resources, as well as the prestigious EU CE certification. Additionally, our products have been independently verified by specialized laboratories in Russia, Australia, the United States, and other regions. We are dedicated to delivering top-quality geosynthetic materials and unparalleled services for projects spanning areas like reinforced earth retaining walls, soft ground stabilization, land reclamation and dike construction/maintenance, hydraulic engineering, slope remediation and ecological restoration, road construction, and mining projects.
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ZHONGTAI HENGBANG Technology Co., Ltd.
Address: East Section of Zhongtianmen Avenue, Tai'an High-tech Zone, Shandong Province
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