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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.
How should EVA waterproof sheets be installed in Guizhou during the cold season?
Release date:
2020-12-01
Materials used in the waterproofing project within the tunnel Guizhou Anshun EVA Waterproof Board It is a waterproof sheet made from polymer-based materials, designed to prevent both liquid leakage and gas evaporation. Outside the tunnel, cut 2 to 3 narrower, rollable sheets according to the intended installation area; then lay them flat on the ground and weld them together into larger, seamless sheets that are easy to transport and install.
The tunnel waterproofing sheet is made from ethylene-vinyl acetate copolymer (EVA) as the primary material, combined with specialized additives and a Kang anti-aging agent. It undergoes a series of processes—including melting, plasticizing, extrusion, three-roll calendering, shaping, and coiling—to produce a sheet-like waterproofing material of a specific thickness. ECB waterproofing sheets, on the other hand, are derived from ethylene copolymer-modified bitumen (ECB) resin, which is created by blending ethylene, vinyl acetate copolymer, and bitumen resin. Produced using high-pressure methods, these sheets are officially classified as "plastic waterproofing sheets" under the GB50108-2008 standard, the "Technical Specification for Waterproofing of Underground Engineering."
Guizhou Anshun EVA Waterproof Board Product features: Excellent flexibility, impermeability, elongation, and abrasion resistance; resistant to chemical corrosion and aging; high strength with strong puncture resistance; easy to install and environmentally friendly.
Guizhou Anshun EVA Waterproof Board Scope of application: Civil engineering applications such as seepage control, isolation, reinforcement, and crack-resistant strengthening in water conservancy, municipal works, construction, transportation, subway systems, tunnels, and infrastructure projects.
Guizhou Anshun EVA Waterproof Board Application scope:
(1) Widely used in projects such as water conservancy, environmental protection, construction, transportation, and tunnel engineering.
(2) Key features of the di-density polyethylene geomembrane product include excellent resistance to aging and a long service life. It also boasts superior impermeability, high barrier properties, and exceptional puncture resistance. Additionally, it exhibits strong adhesion and is easy to install. Application areas include river and lake embankments, seepage control for canals and reservoirs, pollution prevention in metallurgy and chemical industries, as well as construction projects, subways, underground tunnels, transportation infrastructure, and environmental protection initiatives.
(3) Linear di-density polyethylene geomembrane product features: excellent puncture resistance, high impact strength, and superior low-temperature performance. Application areas include channels, ponds, reservoirs, tunnels, chemical industries, and construction projects. Additionally, the product boasts exceptional toughness, outstanding transparency, a wide temperature tolerance range, and remarkable resistance to environmental stress cracking.
Guizhou Anshun EVA Waterproof Board Specifications:
① Categorized by color: porcelain white, white transparent, black.
② Based on manufacturing process and construction type, waterproof boards can be categorized as: plain waterproof boards, composite waterproof boards, and point-fixing suspension-type waterproof boards (the composite material typically consists of non-woven geotextiles with a basis weight ranging from 200 to 400 g/㎡).
③ Common thicknesses: 1.0 mm, 1.2 mm, 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm.
④ Common width: 3 meters wide (available in widths ranging from 1 to 6 meters)
Guizhou Anshun EVA Waterproof Board It can meet the civil engineering needs for waterproofing, isolation, reinforcement, crack prevention, and structural strengthening in projects spanning water conservancy, municipal works, construction, transportation, subways, tunnels, and infrastructure development. Thanks to its selection of high-polymer materials and the inclusion of anti-aging agents during production, it remains highly effective even in non-conventional temperature environments. Common applications include seepage control for dams and embankments, lining drainage channels, and preventing contamination in waste disposal sites.
1. Installation must be done using an embedded method; the covering thickness should not be less than 30 cm.
2. The renovated seepage control system should consist of: a cushion layer, an impermeable layer, a transition layer, and a protective layer.
3. The soil must be firm to prevent uneven settlement and cracking. Grass and tree roots within the seepage-proof area should be removed. With Guizhou Anshun EVA Waterproof Board The contact surface is covered with fine-grained sand or clay as a protective layer.
4. During laying Guizhou Anshun EVA Waterproof Board Don’t pull it too tightly—keeping the sections buried in the soil in a wavy pattern works best, especially when anchoring to rigid materials, where some expansion and contraction allowance should be left.
5, Guizhou Anshun EVA Waterproof Board During construction, avoid letting stones or heavy objects fall directly onto Guizhou Anshun EVA Waterproof Board Top: Ideally, proceed with construction while simultaneously laying the materials. Guizhou Anshun EVA Waterproof Board • Edge coverage protection layer.
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 anti-seepage solutions for urban waste and hazardous industrial solid waste. 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, permeability, flame retardancy, antistatic performance, chemical corrosion resistance, and oxidation stability—ensuring top-tier product quality. Furthermore, our enterprise has successfully obtained certifications such as CRCC, ISO 9001, ISO 14001, OHSAS 18000, and MA approvals, along with inspection reports from China’s Ministry of Railways and Ministry of Water Resources, the EU CE certification, and validation from specialized laboratories in Russia, Australia, the U.S., and other relevant regions. We are dedicated to delivering the highest-quality geosynthetic materials and the most comprehensive services for projects including reinforced soil retaining walls, soft ground stabilization, land reclamation and dike 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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