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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.
The specific application of Guizhou EVA waterproof boards in Suide's road waterproofing projects
Release date:
2020-09-07
ZHONGTAI HENGBANG's EVA waterproof sheets are made from high-quality ethylene-vinyl acetate copolymer—a thermoplastic with rubber-like elasticity, giving the finished product exceptional flexibility. They boast superior tear resistance, excellent puncture resistance, and outstanding waterproofing and anti-seepage properties, as well as remarkable hydrolysis resistance. Additionally, a special antibacterial agent is incorporated into the material to prevent microbial degradation, significantly extending the product's lifespan. EVA waterproof sheets exhibit broad compatibility with various adhesives, ensuring strong and reliable bonding across multiple adhesive types. Moreover, they have no strict requirements for the moisture content of the substrate—construction can proceed smoothly as long as there’s no visible standing water, without compromising the quality of the installation. These sheets also demonstrate exceptional weathering resistance, making them ideal for underground applications where their service life can exceed 50 years. Their impressive low-temperature flexibility allows them to maintain excellent pliability even in harsh conditions as low as -30°C. Most importantly, EVA waterproof sheets are entirely non-toxic, making them a green and environmentally friendly choice. As such, they play a crucial role in sustainable waterproofing projects, contributing to both durability and ecological responsibility.
Water leakage in tunnels primarily occurs as water dripping from the arch, seeping along sidewalls, and leaking through construction joints, deformation joints, and concrete cracks—along with water accumulation on the tunnel floor and mud surfacing or slurry rising from the tunnel base. The main causes of tunnel water leakage can be attributed to the following factors: Water leakage in tunnels primarily manifests as water dripping from the arch, seepage along sidewalls, and渗漏 through construction joints, deformation joints, and concrete cracks, as well as water accumulation on the tunnel floor and mud surfacing or slurry rising from the tunnel base. The main causes of tunnel water leakage can be attributed to the following factors:
1 1. Geological factors: In the sections of the Suikou Road where water leakage occurs, the geological conditions are characterized by well-developed joints and fractures, along with abundant groundwater. The leaking water originates from fractured bedrock fissures, with localized zones featuring particularly dense fracture and joint networks. As a result, groundwater naturally seeps out through these cracks. Unfortunately, prior to applying shotcrete, no measures were taken to address this fissure water, leading to severe leakage issues that have made subsequent remediation far more challenging and reactive.
2 "Moreover, the smooth-bo surface treatment resulted in poor breakout performance, leading to an uneven excavation profile along the tunnel. In some areas, the thickness and density of the sprayed concrete failed to meet the specified standards, causing water leakage."
3 When installing drainage blind pipes, if the seepage locations are not clearly identified or the pipes are not properly secured, they may shift during shotcrete application, resulting in poor drainage performance.
4 The water in the sui canal contains a high concentration of calcified deposits, leading to blockages in the sui canal's drainage system, particularly in the diversion blind pipes.
Due to water leakage in the tunnel lining, the humidity of the air inside the tunnel has increased, leading to damage in communication and lighting systems. Additionally, this has accelerated the carbonation process of the lining concrete—especially in the presence of corrosive groundwater—which further weakens the concrete structure, shortening the tunnel's lifespan and directly jeopardizing its functional integrity. As a result, both engineering costs and long-term maintenance expenses have risen significantly. Therefore, to ensure high-quality tunnel construction, effectively eliminate tunnel-related hazards, and extend the tunnel's service life, selecting the right waterproofing materials and employing proper construction techniques are critical factors for achieving successful tunnel waterproofing.
Manufactured by ZHONGTAI HENGBANG Guiyang, Guizhou EVA Waterproof Board By using you-grade ethylene-vinyl acetate copolymer—a thermoplastic with rubber-like elasticity—the finished product achieves exceptional flexibility. It boasts high tear resistance, excellent puncture durability, and superior waterproofing and anti-permeation properties, along with outstanding hydrolysis resistance. Additionally, a special kang-bactericide agent is incorporated into the material to prevent microbial degradation, effectively extending the product's lifespan. Guiyang, Guizhou EVA Waterproof Board It exhibits broad compatibility with adhesives, bonding well with a variety of adhesive types; it also has no specific requirements for the moisture content of the substrate. As long as there is no visible water present, construction can proceed smoothly without affecting the quality of the work in any way. Guiyang, Guizhou EVA Waterproof Board It boasts excellent aging resistance, allowing it to last over 50 years when buried underground. Additionally, it exhibits remarkable low-temperature flexibility, maintaining good pliability even in freezing conditions as low as -30°C. More importantly, Guiyang, Guizhou EVA Waterproof Board A non-toxic, eco-friendly material that plays a crucial role in waterproofing projects.
So, in the SUI waterproofing project Guiyang, Guizhou EVA Waterproof Board How exactly can it be applied?
1、 Guiyang, Guizhou EVA Waterproof Board The raw materials must meet the required performance standards, the packaging length should match the perimeter of the sui road installation, and it must also possess adequate strength. Guiyang, Guizhou EVA Waterproof Board It is durable, with tight and reliable joints between panels, easy to install, and economically practical.
2 Based on the displacement measurements from earlier monitoring and the final displacement values obtained through regression analysis, as well as the analysis of displacement velocity and trend changes, once it is determined that the surrounding rock is stabilizing, secondary support can be implemented. Guiyang, Guizhou EVA Waterproof Board When laying [it], avoid blindly enforcing construction based solely on the overall distance parameters.
3 Based on the records of excavation-induced water inflow and seepage, for sections where seepage persists even after initial support has been completed, reverse-direction flexible permeable pipes should be reinstalled.
4 • Verify that the installation and connections of other drainage and waterproofing facilities comply with design specifications, ensuring smooth drainage throughout the overall road drainage system.
5 • The flatness of the shotcrete substrate must meet the requirements: for walls, D/L ≤ 1/6; for the arch crown, D/L ≤ 1/8. Sharp protrusions such as rebar and pipe fittings on the substrate should be removed, and the resulting areas should be smoothed with mortar to form rounded curves, preventing punctures. Guiyang, Guizhou EVA Waterproof Board 。
ZHONGTAI HENGBANG Engineering Technology Co., Ltd. is a comprehensive service provider integrating engineering consulting and design, materials R&D and manufacturing, as well as operations and maintenance. The company boasts strong technical expertise and robust R&D capabilities, with products middle The product is applied in environmental protection fields such as hydraulic infrastructure projects, transportation infrastructure projects, and the isolation and anti-seepage of urban waste as well as hazardous industrial solid waste. The company boasts advanced production lines from countries including Germany, Italy, Denmark, Belgium, and Switzerland, adhering to rigorous quality management systems and testing standards, and is equipped with most Advanced tensile strength, creep, Kang Testing equipment for ultraviolet resistance, water permeability, flame retardancy, antistatic properties, chemical corrosion resistance, and oxidation tests. The company has separately obtained CRCC 、ISO9001、ISO14001、OHSAS18000、 MA Certificate, Tie Ministry of Transport, Water Resources Department Inspection Report , European Union CE Certificate, e Ross, Australia, the United States, and related areas transfer Including laboratory testing services, we provide expertise in areas such as geosynthetic reinforced soil retaining walls, soft ground stabilization, reclamation and maintenance of land reclamation projects, hydraulic engineering, slope stabilization and landscaping, as well as road construction and mining engineering projects. most Excellent zhi Geosynthetic products and most Comprehensive services.
Consultation Phone: 13953856388
United System Person: Mr. Zhang
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ZHONGTAI HENGBANG Technology Co., Ltd.
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