Construction method for widening roadbed by improving filling material solidified soil

A construction method, a technology of solidifying soil, applied in the direction of roads, roads, buildings, etc., can solve problems such as poor widening engineering technology, uneven settlement of widening old and new roadbeds, etc., to solve differential settlement, ensure construction quality and safety, and avoid interference effect

Pending Publication Date: 2021-07-27
江西省交通工程集团建设有限公司
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Problems solved by technology

[0004] Although my country has accumulated some experience in expressway widening projects completed by filling undisturbed soil or other traditional construction techniques in the past, there is no established technology to solve the problem of uneven settlement of old and new roadbeds in expressway widening. poor engineering

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  • Construction method for widening roadbed by improving filling material solidified soil

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[0049] Hereinafter, the above-mentioned and other technical features and advantages of the present invention will be described in more detail.

[0050] Preferred embodiments of the present invention are described with reference to the following. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention.

[0051] It should be noted that, in the description of the present invention, terms such as "upper", "lower", "left", "right", "inner", "outer" and other indicated directions or positional relationships are based on the terms shown in the accompanying drawings. The direction or positional relationship shown is only for convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore does not

[00...

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Abstract

The invention relates to a construction method for widening a roadbed by improving filling material solidified soil. A set of construction technology suitable forrapidly widening the roadbed by improving the filling material solidified soil is formed by optimizing and integrating solidified soil blending, vibration mixing equipment and a construction process. The solidified soil construction technology formed after optimization and integration can effectively reduce differential settlement between a new roadbed and an old roadbed in highway roadbed widening, meanwhile, compared with a traditional roadbed filling technology, interference in existing traffic can be avoided as much as possible, the influence on normal operation is reduced, the construction period can be shortened, construction steps are simplified, and construction quality and safety are guaranteed.

Description

technical field [0001] The invention relates to the technical field of civil construction, in particular to a construction method for widening a roadbed by improving filling materials and solidifying soil. Background technique [0002] With the rapid development of my country's economy, the traffic volume of expressways is increasing year by year. Due to the insufficient forecast of the rapid growth of traffic in the early construction of expressways, a considerable number of expressways have shown a situation of saturated traffic volume, making expressway traffic The efficiency is greatly reduced, and it cannot adapt to the service level of the expressway, the increase in traffic volume and the requirements of social development. It is urgent to expand and transform to improve the intercommunication capacity. [0003] Compared with newly built roads, the widening and reconstruction of old roads, especially road widening and reconstruction, has the characteristics of difficul...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C3/00
CPCE01C3/00
Inventor 吴飞邹中鹏李练兵谢育林肖乐刘衍其
Owner 江西省交通工程集团建设有限公司
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