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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.
Some handy tips for constructing the Yunnan EVA waterproofing membrane during tunnel projects
Release date:
2020-10-16
No need to beat around the bush—let's get straight to the point. Here’s a roundup of construction tips:
1. Yunnan Baoshan EVA Waterproof Board First, cut off the protruding parts such as the bottom-layer steel mesh, then smooth it out with plain cement mortar.
2. When there are protruding pipes, after disconnecting them, smooth the area with cement mortar.
3. When the anchor cable has protruding sections, after pre-embedding a millimeter-long break in the screw head, secure it using a plastic cap.
4. Reapply the concrete to ensure the surface is smooth and evenly rounded, with any unevenness not exceeding ±5 centimeters.
5. First, apply 350 g/m² of geotextile to the concrete surface using spacers; if drainage boards are present, attach them separately. Then, secure everything in place with cement steel nails driven by a nail gun, ensuring that each nail is at least 35 mm long. Distribute the nails evenly across the arch ceiling at 3–4 points per square meter, and along the sidewalls at 2–3 points per square meter.
6. To prevent cement mortar from seeping into the geotextile, lay the geotextile first, then proceed with the rest. Yunnan Baoshan EVA Waterproof Board 。
7. Paving Yunnan Baoshan EVA Waterproof Board At that time, use a manual-type dedicated welder to hot-melt the material onto the gasket, ensuring that the resulting bond has an tensile strength of at least Yunnan Baoshan EVA Waterproof Board The compressive strength.
8, Yunnan Baoshan EVA Waterproof Board Use a dedicated welding connector for hot-melt bonding in the middle, ensuring that the bonded area is at least 10 centimeters long. Additionally, the tensile strength of the bond must be no less than 80% of its compressive strength.
9, Yunnan Baoshan EVA Waterproof Board The bonding area must be at least 1.0 meter away from the joints of the secondary lining connections, prior to laying the ground-level waterproofing layer. Yunnan Baoshan EVA Waterproof Board Do not apply excessive tension; instead, ensure the surface adheres tightly to the shotcrete without causing cracks.
Yunnan Baoshan EVA Waterproof Board It possesses excellent plasticity, tensile strength, and superior resistance against microbial degradation and erosion. Typically, it is used in conjunction with nonwoven geotextiles in diversion tunnels. Yunnan Baoshan EVA Waterproof Board The waterproof layer is of paramount importance—indeed, it’s the top priority. Its key function is to provide both waterproofing and protective features, preventing leaks of water or other liquids as well as the evaporation of gases within the diversion tunnel. If leakage does occur, it’s usually due to careless construction practices or imperfections at the weld points.
That's all for now. Yunnan Baoshan EVA Waterproof Board Some handy tips for construction work. Do you understand them clearly?
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 areas such as hydraulic 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, water permeability, flame retardancy, anti-static performance, chemical corrosion resistance, and oxidation stability—ensuring superior product quality. Furthermore, ZHONGTAI HENGBANG has successfully obtained 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 prestigious EU CE certification, as well as approvals from specialized laboratories in Russia, Australia, and the United States. 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 embankment construction/maintenance, hydraulic engineering, slope remediation and ecological restoration, road construction, and mining projects.
Consultation Phone: 13953856388
Contact: Mr. Zhang
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ZHONGTAI HENGBANG Technology Co., Ltd.
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