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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 can Zhejiang short-filament geotextiles effectively address the issue of reflective cracking?
Release date:
2020-12-03
Adopt Zhejiang Zhoushan Short-Filament Geotextile Using an interlayer material when adding an asphalt overlay to existing concrete pavement is an effective measure for preventing reflective cracking. However, the performance of the interlayer material directly influences how well reflective cracking is controlled. Certain model specifications Zhejiang Zhoushan Short-Filament Geotextile The anti-reflective cracking effect is evident, while other models and specifications Zhejiang Zhoushan Short-Filament Geotextile On the contrary, it could negatively impact the asphalt pavement layer. To avoid inappropriate selection, and based on practical experience in Zhejiang Province, a long-term monitoring and analysis of pavement characteristics, geotextile material properties, and construction methods—particularly for reflective crack-resistant geotextiles already in use—has led to the conclusion that these geotextiles should meet the following technical requirements.
1. Zhejiang Zhoushan Short-Filament Geotextile Good temperature resistance. When asphalt mixtures are laid hot, the temperature can reach around 150°C. Therefore, the geotextile material must not only remain intact—avoiding melting or softening—but also maintain its functionality under these conditions. Experience shows that polyester geotextiles offer the best performance in this regard.
2. Zhejiang Zhoushan Short-Filament Geotextile Good asphalt emulsion absorption properties are essential. The standard construction procedure involves first evenly spraying the asphalt emulsion onto the cracked pavement surface, then laying the fabric interlayer, and finally applying the hot-mix asphalt layer on top. The hot-mix layer must be able to absorb the emulsion beneath the fabric, saturating it completely—this is why the fabric is required to have excellent absorption capabilities.
3. Zhejiang Zhoushan Short-Filament Geotextile Flexibility. Flexibility encompasses two key aspects: toughness and surface hardness. Toughness reflects a fabric's ability to absorb impact energy, which can be roughly measured by the product of the material's tensile strength and elongation at break. It is recommended to characterize surface hardness using the CBR test’s puncture resistance strength R, with the guideline that R ≥ 2 kN.
4. Zhejiang Zhoushan Short-Filament Geotextile Good uniformity is essential. The fabric is an anisotropic material. To ensure consistent strength, it is recommended that the strength ratio between the warp and weft directions does not exceed 1.5 for woven fabrics, and remains below 1.2 for non-woven materials.
5. Zhejiang Zhoushan Short-Filament Geotextile Strength requirements: The fabric must have a tensile strength exceeding 400 N/5 cm, as well as additional properties such as puncture resistance and tear resistance, with a minimum strength of 800 N/5 cm.
6. Zhejiang Zhoushan Short-Filament Geotextile Acid- and alkali-resistant
7. Zhejiang Zhoushan Short-Filament Geotextile It exhibits strong anti-aging properties. The geotextile should maintain its normal working condition throughout the pavement's service life.
8. Zhejiang Zhoushan Short-Filament Geotextile Thickness requirements: To prevent adverse negative effects on the asphalt overlay layer—such as delamination and failure—after the geotextile is installed, the thickness of the geotextile must be strictly controlled. According to experimental analysis, when applying an asphalt overlay on existing cement concrete pavements to mitigate reflective cracking, a geotextile thickness of less than 2.0 mm is generally recommended.
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, the company’s products are prominently applied in critical environmental protection fields such as hydraulic infrastructure projects, transportation infrastructure initiatives, and the isolation and impermeabilization of urban waste and highly hazardous industrial solid wastes. 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. It is 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. Furthermore, ZHONGTAI HENGBANG has successfully obtained certifications such as CRCC, ISO 9001, ISO 14001, OHSAS 18000, and MA approvals, along with railway and water resources ministry test reports, the EU CE certification, and relevant industry laboratory assessments conducted in Russia, Australia, the United States, and other regions. The company is dedicated to delivering top-quality geosynthetic materials and unparalleled services for projects including reinforced soil retaining walls, soft ground stabilization, land reclamation cofferdams and their maintenance, hydraulic engineering, slope remediation and greening, road construction, and mining projects.
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