Product Introduction

The plastic blind ditch is a filter cloth group wrapped in a plastic core. The plastic core body is a thermoplastic synthetic resin as the main raw material, after modification, in the hot melt state, through the nozzle to squeeze out the thin plastic wire, and then through the molding device to extrude the plastic wire on the node welding, forming a three-dimensional network structure. At present, the plastic core has a variety of structural forms such as rectangular, hollow matrix, circular hollow circle, etc. The material overcomes the shortcomings of the traditional blind ditch, and has high surface opening rate, good water collection, large void ratio, good drainage, strong pressure resistance, good pressure resistance, good flexibility, adaptability to soil deformation, good durability, light weight, convenient construction, greatly reduced labor intensity of workers, and high construction efficiency. Therefore, it is generally welcomed by the Engineering Bureau and widely used.

Scope of application

◎ Reinforcement and drainage of roadbed shoulder of highway and railway;

◎ Drainage of tunnels, subway underground passages and underground freight yards;

◎ Water and soil conservation of hillside land and slope development;

◎ Vertical and horizontal drainage of various retaining wall edges;

◎ Drainage of slippery ground;

◎ Drainage of ash piles in thermal power plants and drainage of landfills;

◎ Drainage of rest green spaces such as sports grounds, golf courses, baseball fields, football fields, parks, etc;

◎ Drainage of roof garden and flower table;

◎ Construction drainage of building foundation works;

Products have a variety of circular and rectangular cross-section, product specifications are several. According to customer orders with different formulations to produce high temperature resistance, flame retardant, strong acid and alkali resistance, high elasticity, high hardness and other different characteristics of products.

Round specifications and performance indicators list:

rectangular specifications and performance indicators list:

Geotextile technical indicators:

Product Features

◎ The constituent fiber of the plastic blind ditch is about 2mm wire, which is fused into a three-dimensional mesh body with the same principle as the truss principle of the steel structure. The surface opening is 95-97%, which is more than 5 times that of the perforated tube, 3-4 times that of the resin mesh tube, and the surface water absorption rate is extremely high.

◎ Because it is a three-dimensional structure, its void ratio is 80-95%, the space and management are the same and light, and its compressive performance is more than 10 times stronger than that of the resin of the pipe structure. Therefore, even if it is pressed due to overload, the residual void is more than 50% due to the three-dimensional structure, and there is no problem of water failure, and it is not necessary to consider being crushed by earth pressure.

◎ compressive strength, 250KPa pressure, the compression rate is less than 10%.

◎ Add anti-aging agent, durable, under water, soil and other places placed for decades can also ensure stability.

◎ Compressible and flexible, it can also be constructed for curved positions such as curves, which is very light. If the backfilling depth is about 10cm, bulldozers can also be used for backfilling, etc.

◎ Due to the above characteristics, various problems occurred in the traditional blind ditch in the past, such as uneven settlement or partial occlusion caused by overloading, and no voids caused by crushing, can be solved by plastic blind ditch materials.

◎ Since the use of hot melt molding without the use of adhesive, it will not cause collapse due to aging and peeling of the adhesive.

This product is made of high-pressure polyethylene extrusion, with different ribs and grooves on both sides to meet the needs of drainage, water sealing and fixing. Compared with other soft plastic plates, it has a certain rigidity, which is beneficial to maintain the drainage cavity. The proportion of the material is small, the cost is relatively low, it has the characteristics of cold resistance, corrosion resistance, bacterial corrosion resistance, and not easy to age when buried in the tunnel lining, and long service life.