Method for directly burying multiple-circuit same-trench cables

Abstract

The invention provides a method for directly burying multi-circuit same-trench cables, which belongs to the technical field of engineering construction. The technical problem of fire and explosion isolation between multiple cables in the same cable trench is solved. The method comprises the steps that a trench is excavated in the ground, and concrete baseplates are produced according to a laid cable circuit; b shields are made on the left and right sides of the upper surfaces of the concrete baseplates; c the concrete baseplates and the shields are placed into the dug trench; partition walls are arranged on the upper surfaces of the concrete baseplates connected end to end; a groove is formed by adjacent partition walls and concrete baseplates; a bottom sand layer is laid on the bottom ofeach groove to form a channel cable trench; d cable support rollers are arranged in the cable trench constructed in step c, and cables are laid; e after the cables are laid, river sand is dumped to cover the cables; and f cement covers are put on the upper sides of the shields on both sides of the cable trench, and direct burying of multi-circuit same-trench cables is completed. According to the invention, the hidden danger that directly buried cables are easily damaged by external force is reduced, and the hidden danger of the expansion of electric accidents in the same trench is reduced.

Description

technical field [0001] The invention belongs to the technical field of engineering construction, and in particular relates to a direct-buried laying method of multi-circuit cables in the same trench. Background technique [0002] In the existing technology, in order to reduce the cost of cable laying, it is often necessary to lay multiple cables in the same cable trench. Fire is the key protection factor for densely arranged cables. Burning out of one part will affect other cables, or due to road construction, construction of structures, etc. For other reasons, the inaccurate position of the direct buried cable will cause damage, which will bring immeasurable losses to production and life. Contents of the invention [0003] In order to overcome the deficiencies of the existing technology, solve the technical problem of fireproof and explosion-proof isolation between multiple cables in the same cable trench, and effectively reduce the damage of cables by external forces, th...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of the existing technology, solve the technical problem of fire and explosion-proof isolation between multiple cables in the same cable trench, and effectively reduce the damage of cables by external forces, the present invention provides a method for direct burying of multi-circuit cables in the same trench

The above-mentioned accidents are likely to cause other cables to be burned, resulting in the expansion of power accidents.

Images