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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.
Discussion on Railway Tunnel Waterproofing and Drainage Construction Techniques: Focus on Waterproofing System Implementation
Release date:
2020-10-01
Abstract: Currently, railway tunnels frequently encounter water leakage issues during actual operation, which significantly compromise their safe and reliable functioning. To ensure the smooth operation of railway tunnels, it is essential to implement effective waterproofing and drainage measures during construction, while also strengthening construction technology controls to guarantee the safety of these critical infrastructure projects.
Keywords: Railway tunnels; Waterproofing construction techniques; Drainage construction techniques
Let's first discuss the key construction techniques for tunnel waterproofing systems:
First, thoroughly inspect the initial tunnel support surface for waterproofing. The inspection typically involves listening for sounds produced by hammering or employing other physical detection methods. If any water leakage is detected during the process, appropriate remedial measures must be taken immediately. Additionally, if sharp, exposed protrusions are found on the initial support surface, they should be promptly removed to ensure the surface remains smooth and even.
Second, before starting the waterproofing work, thorough preparations must be made. This includes conducting relevant inspections of the operating parameters of the construction equipment to ensure it functions properly. Next, clean the substrate thoroughly and proceed with laying the geotextile underlayer on the cushion layer. Be sure to accurately mark the reference lines for the geotextile, and carry out the installation in the sequence of first the arch crown, followed by the two sides.
Second, do it well. Guizhou Guiyang EVA Waterproof Membrane Construction of the paving stage. During this phase, it’s crucial to thoroughly manage the construction timeline while ensuring robust safety precautions. The process will involve using a mobile work platform to efficiently enhance the productivity of the paving operations. Specifically, during the actual paving procedure, precise control of reference points is essential, and the construction sequence should follow a systematic approach—starting from the arch crown and progressing outward to both sides—while strictly adhering to established standards and guidelines. Guizhou Guiyang EVA Waterproof Membrane During the process, simultaneous welding of the hot-melt backing is required to ensure that both tasks run in coordinated fashion. Guizhou Guiyang EVA Waterproof Membrane Fixed positioning, ensuring proper peel strength. Welding Guizhou Guiyang EVA Waterproof Membrane When working with materials, opt for a dual-seam hot-melt automatic climbing welder, ensuring that you pay close attention to both the weld seam width and the overlap length during the welding process. After completing the weld, it’s essential to inspect the welding quality—use an injection needle and pressure gauge to perform an air-tightness test, guaranteeing that the final weld meets the required standards.
Once again, addressing construction joints—critical areas where railway tunnels are prone to leakage—is of utmost importance. When working on these joints, it’s essential to follow standard construction practices meticulously. Specifically, ensure that concrete is vibrated evenly to achieve optimal compaction and density throughout the material. Before pouring the next layer of concrete, thoroughly clean the base surface of any debris or excess mortar to prevent air pockets from forming. Additionally, applying a thin layer of cement-sand mortar to the surface and subsequently performing appropriate rough-texturing techniques will significantly enhance the overall waterproofing performance of the construction joint.
Finally, install the waterstop. To elevate the waterproofing performance of construction joints to a new level, waterstops are typically installed at these joints—carefully selecting the optimal placement to maximize their effectiveness. During the fixing process, it’s crucial to avoid damaging the waterstop itself. Take appropriate measures to prevent displacement, ensuring the waterstop remains flat and securely anchored. If any folding, twisting, or loosening of the waterstop occurs, promptly adjust or reinforce it to maintain top-notch waterproofing performance.
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 that set new industry standards. middle The application includes hydraulic infrastructure projects, transportation infrastructure projects, as well as the isolation and anti-seepage of urban waste and highly hazardous industrial solid waste. huan In the field of protection. 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 Ultraviolet resistance, water permeability, flame retardancy, Kang Testing equipment for electrostatic performance, chemical corrosion resistance, oxidation tests, and more. The company has separately obtained CRCC 、ISO9001、ISO14001、OHSAS18000、 MA Certificate, Tie Ministry of Railways, Ministry of Water Resources Inspection Report , European Union CE Certificate, e Ross, Australia, May Related national matters transfer Including laboratory testing services, we provide expertise in areas such as geosynthetic reinforced earth 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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