Movably connected road shoulder

A technology of movable connection and road shoulder, which is applied in the direction of gutters/curbs, climate change adaptation, etc., can solve the problems of shortened service life of the main road surface, narrow road shoulders, non-standard roads and road shoulders, etc., to shorten the construction period, The effect of reducing the amount of work and shortening the construction period

Inactive Publication Date: 2008-05-14
XIANGTAN UNIV
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  • Description
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AI Technical Summary

Problems solved by technology

However, ordinary roads have the problem that the roads and road shoulders are not very standardized. In particular, county-level roads involve the acquisition of farmers' land, so the road shoulders are very narrow, or even have no road shoulders, and traffic accidents caused by this are frequent. The service life is also significantly shortened

Method used

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  • Movably connected road shoulder
  • Movably connected road shoulder
  • Movably connected road shoulder

Examples

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Embodiment Construction

[0035] see figure 1 , Figure 16 , a movably connected road shoulder, comprising a road shoulder 1 and a concrete road slab 2 connected to the road shoulder 1, wherein the connection between the road shoulder 1 and the concrete road slab 2 is provided with a movable and fixed connection device 3, and the connection device 3 includes a plug-in connection device 4. Riveting connection device 5 and lap connection device 6, which are composed of embedded parts 31 arranged at the joint between road shoulder 1 and concrete road slab 2 and movable parts 32 used as fixed connections.

[0036] figure 2 , image 3As shown, the embedded parts 31 of the plug-in connection device 4 are several through-holes 41 that are vertically arranged in the prefabricated road shoulder 1 and the pouring concrete road slab 2, and the through-holes 41 are fixedly connected. The movable part 32 is an inserted steel bar or steel wire bundle 42 . Due to the tension at the joint, the steel bar or steel ...

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Abstract

The movably connected road shoulder includes road shoulder and concrete road slab for connecting road shoulder with movable connector in between. The connector includes inserted connecting unit, riveted connecting unit and overlapped connecting unit, each of which consists of a pre-buried part in the connecting part between the road shoulder and the concrete road slab and a movable part for connection. The technological scheme of the present invention includes several kinds of connecting units to make the movable connection between the road shoulder and the concrete road slab capable of suspending on two sides of the concrete road slab. The present invention has the advantages of low cost, saving in used land, shortened construction period, avoiding slope flushing and easy maintenance, and is suitable for various kinds of concrete road slab.

Description

technical field [0001] The invention relates to a movably connected road shoulder on a highway cement concrete pavement, in particular to a movably connected road shoulder with a connecting device. Background technique [0002] With the development of the national economy, the construction of high-grade highways in my country has also advanced by leaps and bounds, especially the construction of expressways. From 1988 to 1999, the national expressway mileage exceeded 10,000 kilometers, and by the end of 2002 it exceeded 25,000 kilometers. It ranks second in the world, exceeding 30,000 kilometers by the end of 2004. However, the expressway density calculated by the land area and population in my country is still very low, which is far behind the developed countries in the world. The total amount of expressways is also insufficient. Compared with the long-term demand, there is a big gap. Continue to increase. For this reason, my country has promulgated the "National Expressway ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C11/22
CPCY02A30/60
Inventor 谭红霞杨裕恒
Owner XIANGTAN UNIV
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