Bridge pavement repairing construction technology

Abstract

A bridge pavement repairing construction method comprises: performing radar detection on a bridgehead slab section by using a ground penetrating radar to determine a disengaging area caused by unevensettlement of a bridgehead subgrade. High polymer is injected into the disengaging area through a grouting hole, the disengaging area of a slab bottom is effectively filled, and the elevation of the slab can be effectively solved, so that the slab is level with an abutment, thereby achieving the reinforcement effect on the soil. Furthermore, in the high polymer grouting and repairing process, thegrouting amount of the high polymer is accurately determined, and the road surface uplift caused by excessive high polymer grouting is avoided.

Description

technical field [0001] The invention relates to a highway bridge maintenance and repair technology, in particular to a bridge road surface repair construction technology. Background technique [0002] With the vigorous development of my country's economy and the continuous progress of society, the role of road bridges on people is becoming more and more important. All parts of the country attach great importance to the construction of road bridges. Highway bridges not only become the main arteries connecting the north and south economies, but also promote economic development to a certain extent. [0003] At present, my country's highways are in a period of rapid development. With the increase of highway mileage and the extension of service time, the amount of highway maintenance projects is also increasing. Maintenance projects are generally divided into targeted maintenance and preventive maintenance. Targeted maintenance means that when the pavement is damaged, correspon...

AI Technical Summary

Problems solved by technology

[0007] Due to the volume expansion of the polymer during the reaction process, in order to control the grouting process and prevent the polymer from lifting the road surface in the prior art, it is usually necessary to monitor the height change of the road surface through a laser level during the grouting process. When the grout emerges from the grouting port, stop the grouting; however, the monitoring process is complicated, and the amount of grouting cannot be precisely controlled, and when the ground height changes or the grout emerges, there may be too much grouting, causing the road surface to continue to rise