Let me popularize the laying and characteristics of geotextiles
RELEASE TIME :
2021-07-13 14:26
Let me popularize the laying and characteristics of geotextiles
The laying of the geotextile and the tower connection are also very important. The specific points are as follows:
1. The geotextile can be set up by machine and laid manually. When laying, the rough side of the wool is facing upwards. One end is fixed with a fixing piece, stretched by machinery or manpower to make it flat and close to the road, and laid in front. The fixing piece includes fixing Nails and iron sheets, cement nails or nails are used for fixing nails.
2. The horizontal overlap of the geotextile is about 4~5cm. According to the laying method, the rear end is pressed under the front end, bonded with hot asphalt or emulsified asphalt, and fixed with fixing parts; the vertical fresh-keeping film is also about 4~5 cm, which can be directly used Adhesive oil is withered, and if it has a width, the interlayer of the overlapping part will become thicker, and the bonding force between the surface layer and the base layer will become weaker, and it will be easily affected by the floating, detachment, displacement, etc. of the surface layer, so accept the wide part Just need to crop.
3. The geotextile is laid on a straight line. When it needs to be bent, cut the bent part of the fabric, overlap and lay it, and then glue it after applying the oil of the adhesive layer. Please be careful not to make the fabric wrinkle, if there are wrinkles in the laying , please cut off the folds of this part, overlap it in the laying direction, and stick it with adhesive.
4. After the geotextile is laid, spray the asphalt bonding layer oil, and after cooling for about 2 hours, spray an appropriate amount of fine yellow sand in time to prevent the vehicle from being lifted or damaged by the wheel bonding oil when the vehicle passes on the geotextile. The dosage is about 1~2 kg/m2.
Features of geotextiles:
1. Because the flat wire made of plastic is used, it can maintain sufficient strength and elongation under dry and wet conditions.
2. Corrosion resistance, long-term corrosion resistance in muddy water with different pH.
3. Good water permeability, there are gaps between the flat wires, so it has good water permeability.
4. Good antibacterial property, no damage to microorganisms and insect erosion.
5. The construction is convenient, the material is light and soft, and the transportation, laying and construction are convenient.
6. Complete specifications: up to 6 meters wide, currently the largest product in China, with a mass per unit area of 100-600g/.
Geotextiles at work:
1. Short-fiber geotextiles have many functions: when filtering water from the fine soil layer to the coarse soil layer, the good air permeability and water permeability of the geotextile are used to allow water to pass through, blocking soil particles, spun yarns, small stones, etc., and maintaining water and soil engineering. of stability.
2. Polyester staple fiber geotextiles are suitable for building materials with different physical properties (particle size, distribution, consistency density, etc.) such as soil and sand, soil and concrete, etc., to prevent loss between two or more materials, Avoid mixing, maintain the overall structure and function of materials, and strengthen the bearing capacity of the structure.
3. Geotextile is a good water-conducting material, which forms a drainage channel inside the soil and drains excess liquid and gas in the soil structure.
Outside, the destructive force is high, which can reach more than 20KN/m, the creep resistance is good, and it has corrosion resistance. The use of needle geotextiles enhances the tensile strength and deformation resistance of the soil, improves the stability of the building structure, and improves the quality of the soil. .
4. When the geotextile protects the water flow against the soil, it diffuses, transmits or decomposes the concentrated stress to prevent the soil from being damaged by external forces, and it protects the soil from diffusing, transmitting or decomposing the concentrated stress to prevent the soil from being damaged by external forces.
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