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Installation and construction of fiberglass cable protective pipe

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Installation and construction of fiberglass cable protective pipe

Release date:2018-03-02 Author: Click:

The installation and construction of fiberglass cable protection pipe:


Handling and keeping


Handling the composite FRP cable protection pipe FRP must adopt the method of artificial lift, should not be thrown up from the car, so as not to damage the socket.

Construction specification for fiberglass cable protection casing

(1) the standard length of the protective pipe is 4 m /6 meters, and the rubber ring socket connector is used to connect the joint or the pipe fittings. In principle, it is directly buried and laid.

(2) the buried depth of pipes should generally be 1 meters from the ground and below the ground

(3) handling of pipes

Precautions for loading and unloading of fiberglass cable protective pipe

Precautions for loading and unloading of fiberglass cable protective pipe

When the A. pipe is loaded, the pipe bundles should be prevented from falling.

When B. is unloaded, the pipe is forbidden to be thrown from the car to prevent the end damage of the pipe. Storage of glass tubes

A. pipe should be kept in a relatively flat and less concave and convex place, otherwise the pipe may be damaged by mud.

B. pipe pile is stacked or single rooted to prevent pipe bundling.


Trench excavation


The width and depth of the excavation of the cable trench should be determined according to the number of buried protective pipes and the number of columns. The top of the tube (H1) should not be less than 500mm on the ground.


Base treatment of trench bottom


The underground pipe generally bears the load of the earth's overburden and the extra load (the vehicle and the weight of the goods carried). Therefore, we should attach great importance to the foundation treatment of the ditch. The bad foundation will cause the Z shift and local stress concentration of the pipe, which will threaten the safety of the cable.

Area of the general soil

As long as the sand or concrete cushion of 50-100mm is laid at the bottom of the ditch, it is compacted and leveled.

Areas where some soil layers are poor

In order to prevent the uneven settlement of the pipe sleeper, the concrete underlay on the bottom of the pipe and pillows should be placed in these areas, and the 50-100mm yellow sand or concrete cushion should also be laid at the bottom of the ditch, and it will be compacted and leveled.


Tube pillow configuration


The underground cable conduit is usually arranged in a number of layers and a number of columns. In order to make a fixed arrangement and support of the multi row tube, this product has designed a variety of anti-skid pipe pillows for the laying of cable conduit.


Connection and laying


The connection operation of the GFRP cable protection pipe is simple, so long as the insertion end of the pipe is inserted into the bearing end of the pipe.


The specific operation steps are as follows:

Clean cloth to wipe the surface of the pipe insertion end and the receiving surface and rubber sealing ring with long end.

The correct installation of rubber seals.

"In order to easy to insert can use the method of the lubricant, lubricant is uniformly coated on the cleaned rubber sealing ring inside and around the insertion end surface. Lubricants should use a neutral detergent solution or foam soap, avoid oil and grease, so as to prevent the rubber ring from aging.


Backfilling of sand


Yellow sand or concrete must be filled around the glass fiber reinforced plastic cable protection pipe, and backfill should be backfilled and filled up from top to bottom, so as to prevent road subsidence and catheter displacement due to bad filling.


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