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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.
Jiangxi HDPE Geomembrane Welding Methods and Creep Mechanism Study Board
Release date:
2020-10-29
Jiangxi Yichun HDPE Geomembrane There are two main methods for construction welding: double-seam hot-melt welding and single-seam extrusion welding. Operations should comply with the relevant code requirements.
After powering on, carefully monitor the temperature rise indicated by the gauges and allow the equipment to fully preheat. Next, insert the film into the welding machine, ensuring that the overlap dimensions are precise. Act swiftly! During the welding process, operators must closely watch the welding conditions and adjust the welding speed accordingly to maintain consistent weld quality. If uneven areas appear in the film, take corrective measures promptly to prevent any impact on the smooth operation of the welding process. Additionally, personnel must continuously monitor the welding machine's power supply voltage, keeping it within the ideal range of 230–220 V—and if the voltage ever drops below this threshold, immediately halt the operation.
Jiangxi Yichun HDPE Geomembrane Use a sewing thread identical in quality to the geotextile, ensuring it locally reaches a molten state—only then will the material exhibit enhanced resistance under UV exposure. Immediately apply moderate external pressure to firmly bond the materials together.
Jiangxi Yichun HDPE Geomembrane Creep is significantly influenced by temperature changes; the specialized sewing machine stops performing double-thread stitching when the temperature drops, as the creep value decreases with lower ambient temperatures. Additionally, chemically and UV-resistant sewing threads are used.
In engineering, operations must strictly follow the process procedures. Jiangxi Yichun HDPE Geomembrane Based on the creep behavior under low-temperature conditions and freeze-thaw cycles, as well as the fact that quality control requirements exceed standard waterproofing standards, the concept of the freeze-thaw cycle factor (DR) is introduced. Construction will then be carried out in accordance with specialized impermeability requirements.
Jiangxi Yichun HDPE Geomembrane The laying method:
1. Lay along a specific direction, ensuring smooth placement with appropriate tension to accommodate minor settlement.
2. Leave about 10 cm of overlap on the geomembrane, and weld it using a dedicated hot-welding machine. Seam the geotextile fabric using a sewing machine designed for bag stitching.
3. For the laid-out Jiangxi Yichun HDPE Geomembrane , the edges and seams must be free of oil, moisture, dust, and other contaminants to ensure welding quality is not compromised.
4. Before welding, ensure the two PE single films at the joint are properly aligned and overlapped by a consistent width—typically 6 to 8 cm—while maintaining a smooth, wrinkle-free surface.
5. Construction procedure: Weld the PE film and seam with the base fabric; then turn over and seam with the top fabric 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 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, ZHONGTAI HENGBANG has successfully obtained certifications such as CRCC, ISO 9001, ISO 14001, OHSAS 18000, and MA approvals, along with favorable test reports from China’s Ministry of Railways and Ministry of Water Resources, the EU CE certification, and additional industry-specific laboratory assessments conducted in Russia, Australia, the United States, and other regions. We are dedicated to delivering top-quality geosynthetic materials and unparalleled services tailored to a wide range of projects, including 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.
Consultation Phone: 13953856388
Contact: Mr. Zhang
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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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