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Roadbed building lap joint structure and construction method

A technology for jointing structures and buildings, applied in construction, roads, fillings, etc., can solve problems such as uneven settlement in subgrade overlapping areas, achieve good promotion and application prospects, improve settlement conditions, and increase service life.

Active Publication Date: 2018-06-29
CCFEB CIVIL ENG
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  • Abstract
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Problems solved by technology

[0004] The purpose of the present invention is to provide a subgrade construction overlapping structure and a construction method, so as to alleviate the technical problem of uneven settlement in the subgrade overlapping area existing in the prior art

Method used

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  • Roadbed building lap joint structure and construction method
  • Roadbed building lap joint structure and construction method
  • Roadbed building lap joint structure and construction method

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Embodiment Construction

[0038] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention provides a roadbed building lap joint structure and a construction method and relates to the technical field of roadbed building construction in road engineering. The structure comprisesan existing concrete structure and a stepped foundation pit, wherein the stepped base pit is arranged downwards from the original ground, and one side of the stepped foundation pit is contacted withthe existing concrete structure; the stepped foundation pit comprises multiple step planes and step slopes which are arranged downwards from the original ground; a filling layer is arranged in the stepped foundation pit, the filling layer fills the stepped foundation pit to be flush with the original ground in the horizontal direction, and the filling layer is contacted with the existing concretestructure in the vertical direction. The technical problem of non-uniform settlement of a roadbed lap joint area in the prior art is solved.

Description

technical field [0001] The invention relates to the field of roadbed filling construction in road engineering, in particular to a roadbed building lap joint structure and a construction method. Background technique [0002] In recent years, with the rapid development of my country's economy and urban roads, the quality of urban roads, especially roadbed filling, has become higher and higher. If the quality of roadbed filling is poor, many hidden dangers will be left on the road surface and the roadbed itself, resulting in poor quality of the road surface. The use quality and service life of the road will be reduced, and the serious damage to the roadbed or road surface will even interrupt the traffic and cause major economic losses. When the subgrade filling is overlapped with the existing concrete structure, how to avoid uneven settlement in the subgrade overlapping area is the key point of construction. If the control is not good, it is easy to cause uneven settlement in th...

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Application Information

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IPC IPC(8): E01C3/00E02D17/18
CPCE01C3/00E02D17/18
Inventor 杨南贵刘德才陈亚军王文李泽
Owner CCFEB CIVIL ENG
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