Methods of Explosion Prevention & Waterproof

1. Steel Collar, used to the joint of box culvert, shall be filled with TS Seal to the inner corner and be casted.

   

2. By the jacking pressure of Box culvert, TS Seal shall be extended and distorted in the joint part of collar & Box tube.

   

3. Extended TS Seal shall perfectly seal off the joint part, and prevent ground water perfectly, and at the same, be a good cushion.

   

Embedded Collar (Jacking Box)

Filling TS Seal to
F shape collar
of Jaking Box

Filling of TS Seal

Casting of TS Seal

Completion of
Filling TS Seal
to F shape of Jacking tube

Completion of
Filling TS Seal
to embedded collar
of Jacking box