Jingyuan News

【1】 It depends on the type of pipe. If it is a highway circular pipe culvert, the backfilling ratio should be less than 96% for the back of the platform. For municipal road pipes, the backfilling ratio should be 90% for the pipe chest cavity, 85% for the 500mm section above the top, and 85% for the 500mm section above the top to the ground, in accordance with the requirements of the roadbed.

【2】 Pipeline backfilling: A pipeline is a device made by connecting pipes, pipe fittings and valves, etc., which is used for transporting gases, liquids or fluids containing solid particles.

Due to its unique characteristics, pipes are widely used in various industries and fields.

Pipes have a wide range of uses, mainly in water supply, drainage, heating, gas supply, long-distance transportation of oil and natural gas, agricultural irrigation, hydraulic engineering and various industrial facilities.