Highway roadbed disease treatment method

Abstract

The invention relates to the field of highway roadbed maintenance, in particular to a highway roadbed disease treatment method. The highway roadbed disease treatment method comprises the following steps of S10, arranging grouting holes; S20, arranging drainage holes; S30, grouting for blocking; and S40, grouting for compacting and reinforcing. According to the scheme, when being used, the highwayroadbed disease treatment method can achieve the following effects that 1) the grouting holes and the drainage holes are accurately arranged according to the extreme value theory and the effective radius of the single-hole diffusion, so that the accuracy of the diffusion range of slurry and the economization of the disease treatment cost are realized; 2) the diffusion range of the slurry for grouting and the end time of grouting can be precisely controlled, so that the situation that a large amount of slurry is wasted and the normal operation of a tunnel is affected due to the fact that the mud slurry flows out of a roadbed along a gap is avoided; and 3) the drainage function is utilized, so that the flushing force of a disease core area to the slurry is slowed down, and the range of the slurry diffusing along a drainage pipe is lager.

Description

technical field [0001] The application relates to the field of roadbed maintenance, in particular to a method for treating roadbed diseases. Background technique [0002] In recent years, a considerable number of roads will have problems such as pavement cracking, hollowing out, wrong platform and softening and settlement of roadbed (water inrush) soon after they are completed and opened to traffic. These diseases are "invisible killers" that cause road accidents, and pose a serious threat to people's lives and social security. [0003] Grouting is one of the main technical means for anti-seepage and reinforcement of underground engineering, and it has been widely used in water conservancy engineering, traffic engineering, tunnel engineering and mining engineering. In the water-rich and high-fill road subgrade area, due to the large water flow in the diseased area, the use of traditional cement slurry can no longer meet the design requirements. Due to the characteristics o...

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Problems solved by technology

[0004] Due to the change of viscosity properties of steel fiber cement slurry, its grouting diffusion mechanism is very complicated, which brings great inconvenience to the selection of grouting parameters in the grouting process

Moreover, at present, steel fiber cement grout is mainly used in building foundation reinforcement, etc., and the patent document with application number CN201810490808.0 discloses a kind of compressive steel fiber concrete, but the existing grouting method does not give the grouting hole pattern. The selection method, the detection method of the grouting diffusion range and the judgment criterion of the grouting end are not given, these are the most critical factors to determine the grouting effect

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