Concrete structure repair material injecting device and repair method thereof

Abstract

The present invention relates to a movable dual-component repair material injection apparatus for repairing a concrete structure and a method for repairing a concrete structure, which are to pump a main material and a hardener through the pumping motion of a piston and to effectively prevent the main material and the hardener from leaking to the outside during the pumping proces, and which are capable of freely moving to the cracks in the concrete structure to easily inject the repair material at a repair field to repair the cracks. The movable dual-component repair material injection apparatus for repairing a concrete structure comprises: a vehicle body frame which has movable wheels and a handle; first and second tanks which are loaded in the vehicle body frame and store a main material and a hardener, respectively; pumping units which pump the main material and the hardener respectively stored in the first and second tanks; a drive unit which drives the pumping units; and an injection nozzle which mixes the main material and the hardener pumped by the pumping units to form a repair material and injects the repair material into the cracks in a concrete structure.

Description

technical field [0001] The present invention relates to a repairing material injecting device for concrete repair, and more specifically relates to a mobile two-component repairing material injecting device for repairing concrete structures that supplies main agent and curing agent through piston movement and effectively prevents leakage of the main agent and curing agent and methods of repairing concrete structures. Background technique [0002] In general, concrete buildings and civil structures are cracked due to various reasons. For example, foreign matter such as rainwater penetrates into the above-mentioned cracked part, and rainwater further penetrates into the interior of the building due to capillary phenomenon. The volume expansion caused by poor performance will further expand the gap, or cause corrosion to the internal steel bars and other basic structures, and in severe cases will cause the structure to collapse. [0003] Therefore, in order to inject a repair ...

AI Technical Summary

Problems solved by technology

[0004] According to the epoxy injection device of the prior art, there is a problem that the main agent and the curing agent leak during the linear reciprocating movement of the piston inside the cylinder. In order to solve this problem, a plurality of stoppers made of rubber or silicon are combined in the piston. Water ring, but due to the material characteristics of the water stop ring, it is worn, so there are frequent leakage of the main agent and curing agent, and the problem of the water stop ring detaching

Images