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Pavement structure construction method for dynamic square of automobile test park

A technology of pavement structure and construction method, which is applied to the coagulation pavement, roads, roads and other directions paved on site, can solve the problems of insufficient resistance to permanent deformation, large plastic deformation, poor integrity, etc. degree, the effect of improving the modulus

Pending Publication Date: 2021-12-10
THE FIRST ENG CO LTD OF CTCE GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because it is a loose material, the biggest disadvantage of graded gravel is poor integrity and large plastic deformation, which may cause problems such as rutting and insufficient resistance to permanent deformation.

Method used

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  • Pavement structure construction method for dynamic square of automobile test park
  • Pavement structure construction method for dynamic square of automobile test park
  • Pavement structure construction method for dynamic square of automobile test park

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0029] See image 3 A method for constructing a pavement structure of a dynamic plaza of an automobile test track, specifically comprising the following steps:

[0030] (1), first design the grading, then mix and stir the graded limestone gravel evenly to form a graded gravel, the total content of needle-like particles in the graded gravel is not more than 20%, and the crushing value is not more than 20%. More than 22%, the liquid limit of gravel below 0.5mm ...

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Abstract

The invention discloses a pavement structure construction method for a dynamic square of an automobile test park. A graded broken stone layer is arranged between an asphalt surface layer and a cement stabilized broken stone layer to form an inverted pavement base layer structure, so the bearing capacity requirement of a large-area dynamic square pavement can be met, the effect of reducing reflection cracks of the semi-rigid base layer and water damage of the pavement can be achieved, and the construction cost can be reduced.

Description

technical field [0001] The invention relates to the field of construction of a dynamic square in a vehicle test track, in particular to a construction method for a road surface structure of a dynamic square in a vehicle test track. Background technique [0002] Large-area dynamic plazas, also often referred to as dynamic plazas (VDAs), are often found in automotive proving grounds. As a place for vehicle road testing and inspection, the automobile proving ground is simulated or reproduced through real-life roads to meet the research and development or verification and certification of automobiles. [0003] Dynamic Plaza (VDA) is one of the absolute core roads constituting the vehicle proving ground, and is mainly used for vehicle tests such as vehicle handling stability tests, braking and steering performance tests, circle determination tests, suspension development tests, and wheel and tire tests test site. Depending on the layout of the site, the dynamic square is genera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C7/32E01C19/48E01C11/22E01C3/00
CPCE01C7/325E01C19/4826E01C11/226E01C3/003
Inventor 王瑞青顾天祥谢钊吕自磊
Owner THE FIRST ENG CO LTD OF CTCE GRP
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