Water conservancy and hydropower engineering gate slot second-stage concrete dismantling method

Abstract

The invention discloses a water conservancy and hydropower engineering gate slot second-stage concrete dismantling method. The dismantling method comprises the steps that 1, a to-be-dismantled concrete area is divided; 2, vertical drilling points are arranged; 3, horizontal drilling points are arranged; 4, holes are drilled; and 5, cutting the to-be-dismantled area is carried out. The method is simple in step and reasonable in design, the multiple vertical drill holes and the multiple horizontal drill holes are formed in the to-be-dismantled concrete area, concrete in the to-be-dismantled concrete area is divided into the multiple to-be-dismantled concrete blocks, the multiple to-be-dismantled concrete blocks are dismantled in sequence through a rope sawing machine, dismantling is rapid, the influence on other concrete which does not need to be dismantled around the concrete blocks to be dismantled is small, the dismantling degree of the dismantled gate slot second-stage concrete can be accurately controlled, the influence on the surroundings in the dismantling process of the gate slot second-stage concrete is effectively reduced, and the problems that in the prior art, in the dismantling process of the gate slot second-stage concrete, noise is large, and the risk is poor are solved.

Description

technical field [0001] The invention belongs to the technical field of second-stage concrete demolition of a door slot of a water conservancy and hydropower project, and in particular relates to a method for removing the second-stage concrete of a door slot of a water conservancy and hydropower project. Background technique [0002] In water conservancy and hydropower projects, gate facilities need to be built. Gate facilities are used to close and open discharge channels, and can also be used to intercept water flow, control water level, regulate flow, discharge sediment and floating objects, etc. At present, the gates of gate facilities are mostly The hoist or hydraulic equipment drives the gate to go up and down along the gate slot to realize opening and closing. The gate slot and gate contact surface of the gate in the gate facility are large, so the volume of the gate slot is relatively large. When high-speed water flows through the gate slot Due to the sudden change of...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a second-stage concrete demolition method for gate slots of water conservancy and hydropower projects in view of the deficiencies in the above-mentioned prior art. The method has simple steps and reasonable design. Directional drilling and multiple horizontal drilling, divide the concrete in the area to be demolished into multiple concrete blocks to be demolished, and use the wire saw machine to dismantle multiple concrete blocks to be demolished one by one, the demolition is fast and fast, and the concrete to be demolished The impact of other concrete that does not need to be removed around the block is relatively small, and the demolition degree of the second-stage concrete of the removed door slot can be accurately controlled, which effectively reduces the impact on the surrounding area during the second-stage concrete removal process of the door slot, and solves the problem of the door in the prior art. During the demolition of the concrete in the second phase of the trough, there is a lot of noise and the problem of poor danger

Images