Method for Installing Prestressed Steel Cylindrical Concrete Pipe in Narrow Space in Casing
A prestressed steel and concrete pipe technology, applied in the direction of pipes/pipe joints/fittings, pipe laying and maintenance, machinery and equipment, etc., can solve problems such as limited site space, and achieve the effect of short construction period, flexible use and less investment.
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[0027] Such as figure 1 , figure 2 As shown, the method of installing a prestressed steel cylinder concrete pipe in a narrow space in the casing of the present invention. Including pre-engineering fixed-point measurement before installing the pre-stressed steel cylinder concrete pipe 3, releasing the axis of the jacking pipe, and leading the high-rise control point to the operation shaft 1; setting a seal at the joint before the two pre-stressed steel cylinder concrete pipes 3 are connected At the joint of the two pre-stressed steel cylinder concrete pipes 3 with the seals installed, the inside of the pipe is pressed for a sealing test, and the outside of the pipe is grouted and sealed. The process steps also include:
[0028] Step 1. Fix the steel rail sleeper pad on the inner wall of the casing 2. Two parallel and straight rails 5 with the same top elevation are fixed on the rail sleeper pad. The two rails 5 form an angle of 60° and are perpendicular to the casing 2. The rails ...
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