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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.
Solving the waterproofing issue of Guizhou's tunnel waterproofing boards is key to ensuring construction quality!
Release date:
2021-01-06
During tunnel construction, effectively addressing waterproofing issues is a critical step in ensuring the quality of the tunnel project, fundamentally eliminating tunnel defects, and extending the tunnel's lifespan. Moreover, selecting the right waterproofing materials and employing proper construction techniques are key to achieving successful tunnel waterproofing.
The waterproofing construction activities in tunnel construction are primarily divided into: preparatory work at the construction site, Guizhou Zunyi Tunnel Waterproof Membrane Construction techniques and suspension wire:
1. Mark the tunnel arch centerline with red paint, and then lay suspension wires along the longitudinal direction of the tunnel, directly on the arch centerline.
2. Install steel wires from the arch crown toward both sidewalls at 0.9-meter intervals (10 cm narrower than the suspension rope spacing), running parallel to the tunnel’s centerline. Ensure that the steel wires extend beyond the ends by a length greater than Guizhou Zunyi Tunnel Waterproof Membrane Laying length: 1 m.
3. When installing the wire mesh, first drill holes into the initial support surface using a hammer drill. The hole diameter should be 2 cm, with a depth of 4–5 cm, then wedge in a wooden plug. Ensure the outer end of the wooden plug is flush with the hole. Next, nail into the wooden plug, hang the wire mesh onto the nails, and finally bend the nails slightly to prevent them from piercing through during the placement of the lining concrete. Guizhou Zunyi Tunnel Waterproof Membrane Which affects the waterproofing performance.
4. Iron nails should be placed every 2 meters; however, when the tunnel profile is uneven, increase their spacing slightly to ensure the wire closely adheres to the initial support structure. Guizhou Zunyi Tunnel Waterproof Membrane Joint bonding: Guizhou Zunyi Tunnel Waterproof Membrane Use lap bonding with a lap length of 10 cm.
5. When bonding, first apply Guizhou Zunyi Tunnel Waterproof Membrane Clean and dry the joint area thoroughly, then evenly apply the adhesive using a bristle brush. When applying the glue, avoid brushing back and forth repeatedly, as this could cause the base adhesive to lift or bubble. Additionally, don’t apply the adhesive too thickly—just enough to ensure proper bonding.
6. Use hand rolling to apply the Guizhou Zunyi Tunnel Waterproof Membrane Place it flat on the board, then use a roller cart to press and smooth the joint until the adhesive is even, seamless, and securely bonded—EVA. Guizhou Zunyi Tunnel Waterproof Membrane Tunnel-specific waterproofing membranes are primarily used for seepage control in projects such as earth-rock dams, rockfill dams, masonry dams, concrete dams, tailings dams, sewage reservoir dams, canals, and storage ponds. They are also employed for impermeable lining in subways, basements, and tunnels, as well as for preventing seepage in road and railway foundations.
Now is the time when Guizhou Zunyi Tunnel Waterproof Membrane Peak production season, also applicable to Guizhou Zunyi Tunnel Waterproof Membrane The season for consolidation, due to changing weather conditions, is characterized by Guizhou Zunyi Tunnel Waterproof Membrane The construction has certain beneficial effects, and the emergence of this phenomenon has led to... Guizhou Zunyi Tunnel Waterproof Membrane There has been some increase and upward pressure on prices. Guizhou Zunyi Tunnel Waterproof Membrane The price has certainly increased, Guizhou Zunyi Tunnel Waterproof Membrane Raw material HDPE pellets will also rise accordingly, but Guizhou Zunyi Tunnel Waterproof Membrane The granules must also have pure quality and color to ensure the production of superior Guizhou Zunyi tunnel waterproofing boards.
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 specifically tailored for critical applications in areas such as water conservancy infrastructure projects, transportation infrastructure initiatives, and environmental protection fields like urban waste management and the safe containment of 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, anti-static performance, chemical corrosion resistance, and oxidation stability—ensuring that every product meets the highest industry benchmarks. Furthermore, ZHONGTAI HENGBANG has earned prestigious certifications such as CRCC, ISO 9001, ISO 14001, OHSAS 18000, and MA approval. The company also holds inspection reports from China’s Ministry of Railways and Ministry of Water Resources, along with the EU CE certification, and has undergone thorough testing 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 a wide range of projects, including reinforced earth retaining walls, soft ground stabilization, land reclamation and seawall construction/maintenance, hydraulic engineering, slope remediation and ecological restoration, road construction, and mining projects.
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ZHONGTAI HENGBANG Technology Co., Ltd.
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