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1. Differences in erosion resistance among different fillers: Experiments show that using different fillers such as crushed stone, gravel, or local red soil improves Geocell's erosion resistance by approximately 78%, 73%, and 70%, respectively. Crushed stone, due to its coarse particles and small interstices, is the most resistant to water erosion; gravel is second; and red soil, while readily available, is relatively weak in erosion resistance.
2. Filler particle size and drainage performance: Fillers with excessively fine particle sizes increase pore resistance, causing rainwater to stagnate within the Geocell and weaken its erosion capacity. Moderately coarse particles facilitate rapid drainage, reducing water pressure on the slope.
3. Material compatibility: HDPE Geocell exhibits excellent resistance to acid, alkali, and oxidative aging. Fillers should be selected to avoid corrosion from strong acids and alkalis, as this can weaken the friction of the Geocell surface. 4. Key Points for On-Site Construction: Before slope construction, the filler is screened and cleaned to ensure uniform particle distribution. The Geocell is then expanded, tensioned, and filled to form a three-dimensional restraint system, maximizing scour resistance.
How to Improve Geocell's Bearing Capacity and Reduce Construction Costs?
1. Optimizing Geometric Parameters: By adjusting Geocell's height, cell size, and weld spacing, precise matching to varying load requirements is achieved. Taller cells provide greater lateral restraint, significantly improving bearing capacity.
2. Reducing Roadbed Thickness: Using Geocell reduces the thickness of the roadbed's compacted layer, thereby reducing earthwork, material procurement, and transportation costs. Literature indicates that Geocell can reduce the thickness of the asphalt layer on the pavement, thereby reducing overall construction costs.
3. Localized Filler and On-Site Processing: Geocell's foldability and compact transport volume allow for the use of crushed stone or gravel locally, eliminating the need for long-distance transportation and significantly reducing logistics costs.
4. Efficient Construction Machinery: Jiangsu Saide Machinery Co., Ltd. boasts a complete Geocell production line, including domestically produced ultrasonic needle welders and unidirectional/bidirectional tensioning equipment. This enables rapid on-site tensioning and welding, shortening construction schedules and reducing labor costs. The company also provides on-site training and technical support to ensure construction quality is met the first time.
