Novel road foundation repair method

A repair method and basic technology, applied in the direction of road repair, roads, roads, etc., can solve problems such as congestion in other road sections, serious traffic problems, etc., and achieve the effects of small traffic interference, superior thermal insulation performance, and enhanced carrying capacity

Inactive Publication Date: 2014-07-30
青岛宇田化工有限公司
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Problems solved by technology

However, in view of the rapid increase in traffic pressure on expressway roads, once the road is closed for a l

Method used

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Embodiment Construction

[0029] A new road foundation repair method comprises the following steps:

[0030] (1) Use the falling weight deflection meter (FWD) or ground penetrating radar (GPR) to detect the pavement base layer, and according to the pavement bearing capacity data displayed by the falling weight deflection and the detection results of the ground penetrating radar inversion image, the road surface can be obtained Whether the disease type is a shallow pavement disease or a deep pavement disease, if it is a shallow pavement disease, go to step (2), if it is a deep pavement disease, go to step (3), if both shallow pavement and deep pavement are If there is a disease, the construction sequence can be either repair the shallow pavement first or repair the deep pavement first;

[0031] (2) Repair of shallow pavement foundation diseases

[0032] Pavement foundation disease at shallow position is the breakage of cement-stabilized macadam layer, and polymer modified resin such as structurally m...

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Abstract

The invention discloses a novel road foundation repair method, which is high in repair speed and high in safety performance, and can prolong the service life of a repaired road and save the maintenance costs. The method is characterized by comprising the following steps: (1) detecting a pavement base layer by a falling weight deflectometer (FWD) or a ground penetrating radar (GPR) to determine that a pavement suffers from a shallow pavement disease or a deep pavement disease according to pavement bearing capacity data displayed by falling weight deflection and the detection result of an inversion image of the GPR, and executing the step (2) to deal with the shallow pavement disease, executing the step (3) to deal with the deep pavement disease, or repairing the shallow part and the deep part of the pavement sequentially to deal with the shallow pavement disease and the deep pavement disease; (2) repairing to deal with the shallow pavement disease; and (3) repairing to deal with the deep pavement disease.

Description

technical field [0001] The invention belongs to the technical field of road surface repair, in particular to a new road foundation repair method with fast repair speed, high safety performance, prolonging the service life of the repaired road and saving maintenance expenses. It is used in the fields of subgrade, pavement, highway, railway, construction, dam inspection and maintenance. Background technique [0002] At present, my country's high-grade road construction is in a stage of rapid development, which is the most dynamic historical period in the history of China's transportation. Due to the late start of China's high-grade road construction, at the same time, due to less technical reserves, lack of high-quality raw materials, Poor economic foundation, climate impact, traffic load caused by severe overloading of vehicles and other reasons have caused many problems in the pavement structure of expressways. If these problems are not timely detected and maintained, they wi...

Claims

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Application Information

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IPC IPC(8): E01C23/01E01C21/00
Inventor 张凯吴如舟崔增娣
Owner 青岛宇田化工有限公司
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