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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 do Yunnan tunnel waterproofing boards serve as a protective measure in preventing water leakage during construction projects?
Release date:
2020-11-09
Yunnan Baoshan Tunnel Waterproof Board The quality of protection directly determines the success or failure of a waterproofing project—any minor damage could easily lead to water leakage. Therefore, it's crucial to strengthen Yunnan Baoshan Tunnel Waterproof Board Protection work is the key focus of waterproofing projects. Since a continuous flow process is used, with frequent cross-overs between procedures, waterproofing materials are highly susceptible to damage. Pay attention during construction:
① Smoking is strictly prohibited at the construction site. When welding operations are underway, asbestos sheets must be used for shielding. Fire-fighting equipment must be readily available on-site, and any fire incident should be extinguished immediately upon detection.
② Absolutely no shoes with nails allowed Yunnan Baoshan Tunnel Waterproof Board Move on top of or across unprotected surfaces, and strengthen on-site management. Any deliberate damage is strictly prohibited—and if detected, will result in severe disciplinary action.
③ During construction, tools such as hot welding guns must not be left lying around carelessly to prevent scorching or damaging the waterproof materials.
④ Base plate Yunnan Baoshan Tunnel Waterproof Board After completion, promptly apply the fine aggregate concrete protective layer and proceed as soon as possible with pouring the secondary lining concrete bottom slab.
⑤ Once issued Yunnan Baoshan Tunnel Waterproof Board Fix or replace immediately if damaged.
4 Yunnan Baoshan Tunnel Waterproof Board Paving Quality Standards
① The spacing of fixing points meets the design requirements. The fixing 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 Ensure the plastic sheet is tightly pressed against the base surface—when gently lifted by hand at the arch section, it should make full contact with the base everywhere, with any areas of incomplete contact accounting for less than 10 percent.
Yunnan Baoshan Tunnel Waterproof Board 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 During 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 a permissible pressure drop of up to 20%. If this limit is exceeded, re-welding must be performed until the requirements are met.
④ One weld seam is sampled for inspection every 1000 linear meters, and at least one sample must be taken daily from each heat-sealing machine.
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 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 performance characteristics—including tensile strength, creep resistance, UV resistance, water permeability, flame retardancy, antistatic properties, chemical corrosion resistance, and oxidation stability. Furthermore, our enterprise has successfully obtained certifications such as CRCC, ISO 9001, ISO 14001, OHSAS 18000, and MA certificates, along with favorable test reports from China’s Ministry of Railways and Ministry of Water Resources, the EU CE certification, and approvals from 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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