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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 bidirectional plastic geogrids from Chongqing achieve the best construction performance on-site?
Release date:
2020-09-28
(8) After the subgrade is filled, promptly carry out slope trimming and install dry-stacked stone protection at the toe of the slope. In addition to widening each side by 0.3 meters, this section of subgrade also includes a reserved 1.5% settlement allowance. It is produced by extruding, sheeting, and punching a polymer-based material, which is then further processed longitudinally and laterally. This material exhibits exceptional strength both in the longitudinal and transverse directions. Such a structural design not only provides an ideal interlocking system for efficiently distributing and transferring loads through soil but also makes it perfectly suited for reinforcing large-area, long-term load-bearing foundations.
1. Increase the load-bearing capacity of the road (or ground) foundation and extend its service life;
2. Prevent road (or ground) surfaces from collapsing or cracking, ensuring a neat and attractive appearance;
3. Easy to install, saving time and effort, shortening the construction period, and reducing maintenance costs;
4. Prevent cracks from forming in the culvert;
5. Reinforce soil slopes to prevent water and soil erosion;
6. Reduce the thickness of the subbase to save costs;
7. Stabilizing and greening the environment by supporting slope vegetation with grass mats;
8. Can replace metal mesh and is used for temporary roof support in coal mine shafts;
(8) After the subgrade is filled, promptly carry out slope trimming and install dry-stacked stone protection at the toe of the slope. In addition to widening each side by 0.3 meters, this section of subgrade also includes a reserved 1.5% settlement allowance. Suitable for reinforcing various types of embankments and roadbeds, protecting slopes, strengthening tunnel linings, and providing durable foundation support for large-scale infrastructure projects such as airports, parking lots, and port cargo terminals.
1. Reinforcement of roadbeds for various highways, railways, and airports;
2. Reinforcement of permanent foundations for large parking lots, docks, and cargo yards;
3. Slope protection for railways and highways, along with reinforced culverts;
4. Secondary reinforcement of the soil slope enhanced by unidirectional geogrids, further strengthening the slope and preventing soil and water erosion.
5. Mine and tunnel reinforcement.
(1) First, accurately mark the embankment slope lines. To ensure the required embankment width, add an extra 0.5 meters on each side. After leveling the dried-out subgrade soil, compact it twice using a 25-ton vibratory roller in static mode, followed by four passes of compaction with a 50-ton vibratory roller. Any uneven areas should then be manually leveled to achieve a smooth finish.
(2) Lay a 0.3-meter-thick layer of medium (coarse) sand, then manually and mechanically level it thoroughly. Afterward, compact the surface twice using a 25-ton vibratory roller in static mode.
(3) Lay the geogrids, ensuring that the bottom surface remains smooth and densely compacted during installation. Generally, the geogrids should be laid flat, stretched taut, and must not overlap, curl, or twist. The adjacent sheets of geogrid should be lapped by 0.2 meters, with 8-gauge wire threaded through every 1 meter along the transverse direction of the subgrade at the overlapping sections. Additionally, secure the laid geogrids to the ground at intervals of 1.5 to 2 meters using U-shaped nails.
(4) After the first layer of geogrid is laid, proceed to backfill with a 0.2-meter-thick layer of medium (or coarse) sand. The method is as follows: Transport the sand to the site by truck and dump it along one side of the subgrade. Then, use a bulldozer to push the sand forward, first compacting the area within 2 meters on either side of the subgrade to a depth of 0.1 meter. Next, fold up the edges of the previously laid geogrid, add another 0.1-meter layer of medium (or coarse) sand, and carefully avoid filling or pushing the material inward from the sides. Additionally, no machinery should operate over the geogrid before it’s fully covered with medium (or coarse) sand. This ensures the geogrid remains flat, without bulging or wrinkling. Once the second layer of medium (or coarse) sand is evenly spread, perform a precise horizontal survey to prevent uneven compaction. Finally, after confirming the elevation is accurate, roll the surface twice using a 25-ton vibratory roller in static mode.
(5) The construction method for the second layer of geogrid is identical to that of the first layer. Finally, backfill 0.3 meters of medium (or coarse) sand using the same method as the first layer. After two passes of static compaction with a 25-ton roller, the subgrade reinforcement process will be fully completed.
(6) After the coarse sand has been properly compacted on Yi’s third layer, lay two layers of geogrids along the longitudinal direction of the slope, one on each side. Ensure an overlap of 0.16 meters and securely join them using the same method. Then, proceed with earthwork operations, installing the geogrids for slope protection. Importantly, measure the exact placement lines for each layer, ensuring that after slope trimming, the geogrid is embedded at least 0.10 meters into the slope on both sides.
(7) For each two layers of soil compacted—equivalent to a thickness of 0.8 meters—a layer of geogrid must be simultaneously placed on both sides of the slope. This process is repeated until the geogrid reaches just below the shoulder surface.
(8) After the subgrade is filled, promptly carry out slope trimming and install dry-stacked stone protection at the toe of the slope. In addition to widening each side by 0.3 meters, this section of subgrade also includes a预留 1.5% settlement allowance.
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. The company boasts strong technical expertise and robust R&D capabilities, with its products primarily applied in environmentally friendly fields such as water conservancy infrastructure projects, transportation infrastructure initiatives, and the isolation and anti-seepage solutions for urban waste and hazardous industrial solid waste. Equipped with cutting-edge production lines sourced from Germany, Italy, Denmark, Belgium, Switzerland, and other countries, ZHONGTAI HENGBANG adheres to rigorous quality management systems and testing standards. Its state-of-the-art equipment ensures thorough evaluations of critical properties, including tensile strength, creep resistance, UV protection, permeability, flame retardancy, antistatic performance, chemical corrosion resistance, and oxidation stability. The company has successfully obtained certifications such as CRCC, ISO 9001, ISO 14001, OHSAS 18000, and MA approval, along with inspection reports from China’s Ministry of Railways and Ministry of Water Resources, the EU CE certification, and approvals from specialized laboratories in Russia, Australia, and the United States. ZHONGTAI HENGBANG is 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 dike construction/maintenance, hydraulic engineering, slope remediation and landscaping, road construction, and mining projects.
Consultation Phone: 13953856388
Contact: Mr. Zhang
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