CN1333408A

CN1333408A - Single-layer three-way flyover bridge for T-shape crossrood

Info

Publication number: CN1333408A
Application number: CN 01114211
Authority: CN
Inventors: 黄德宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-05-22
Filing date: 2001-05-22
Publication date: 2002-01-30

Abstract

The T-type intersection single-layer three-way overpass is characterized by that the upper portion or lower portion of plane where the T-type passageway is placed possesses an inclined curved passageway, the head and tail of said passageway are coincided with the above-mentioned plane, and the particle horizontal projection of inclined curved passageway is crossed with T-type three-way passageway, the curved passageway can be supported by bridge piers positoned on T-type passageway or is formed from curved tunnel which is passed through and positioned under the T-type passageway and stereo-crossed with it. It can effectively solve the left-hand problem of vehicle on the T-type three-way passageway. Its structure is simple, construction is convenient, floor area is small and cost is low.

Description

T type crossing individual layer threeway overpass bridge

Individual layer threeway overpass bridge in T type crossing relates to design, the erection technique field of T type triple channel region viaduct.

The applicant thinks: it is common design, erection technique that the viaduct of " ten " font passage sets up, and the design of this road and viaduct thereof, only sets up and is suitable for " ten " font passage.But T type triple channel also often runs into the vehicle pass-through problem of being obstructed, and it often appears at old territory district, and therefore, in some specific highway section and old territory district transformed, the design and the erection technique that solve the viaduct of T type threeway were problems that development and application values is arranged very much.In order to verify the novelty of the technical program, the applicant had once carried out the Searches of Patent Literature, as " a kind of single-layer viaduct " (application number: the 98118264.X applying date: 1998.9.30.).It is with the passage of original crossing face as right-hand bend and through vehicles; Build a viaduct of forming by bridge pier, crossbeam, bridge floor; The vehicle that turns left passes through viaduct.This patent inventor thinks: this simple in structure, cost is low; Short construction period, do not influence vehicle pass-through in the construction period; Can make full use of original road surface, T-shaped road junction and set up thereon pontic, constitute individual layer face threeway viaduct, can make the vehicle of left-hand bend without hindrance pass through viaduct.But, this project application people thinks and also has the following disadvantages: in order to solve the problem that vehicle turns left, and two bridges that one is long and the other is short have been designed, after vehicle is crossed minibridge, also need pass long bridge, pass through smoothly in order to guarantee the vehicle under it, long bridge should have certain altitude, the gradient of bridge also can not be excessive, thereby cost is just higher, and this is an one.Secondly, bridge portion has taken the runway on ground up and down, has influenced the circulation of through vehicles.This case applicant thinks that it and the existing technical scheme of being submitted to are inequality by analysis.Literature search also find no with the application mutually roughly the same patent announce to the public, or disclose to society by other medium; Also finding no identical with it overpass bridge is erected in the transport hub.

Design the objective of the invention is to: for the design of the overpass bridge of T type traffic intersection provides a kind of T type crossing individual layer threeway overpass bridge scheme, it can make the vehicle of craspedodrome, right-hand bend move by original T type route, the vehicle that turns left then can lead to left by T type viaduct, and reaching takes their own roads is independent of each other, straightway purpose.

Claimed technical scheme is as follows: it is characterized in that: on T type passage (1) top, residing plane or the bottom be provided with an oblique bending passage (2); The head and the tail of this passage coincide with the residing plane of T type triple channel (1); The part of horizontal projection of bending channel and T type triple channel intersect; Bending channel or support or constitute by passing through the clover leaf with it crooked tunnel that is positioned at T type passage below by being positioned at bridge pier on the T type passage.

Participate in accompanying drawing below and the technical program remake supplementary notes in conjunction with executing example:

Accompanying drawing is a T type crossing individual layer threeway overpass bridge plan structure schematic diagram.

Each label is defined as follows among the figure: 1---and laterally east-west for T type passage.2---the oblique bending passage; Its head and the tail coincide with the residing plane of T type triple channel.3---center line.4---current mark.5---northern mark.The current state of T type crossing individual layer threeway overpass bridge is: in the time of need turning left as the vehicle that is come by east orientation, promptly turning right upward, overpass bridge can lead to south; When vehicle by south orientation such as need turn left, also go up overpass bridge, can lead to the west.

The applicant thinks and compares with background technology that the useful effect that this viaduct has is: simple in structure; Easy construction; Take up an area few; Cost is low; Can effectively solve the problem that vehicle passes through in the T-shaped triple channel left.

In addition, when need are transformed the T-shaped crossing of old town, as the restriction inconvenience that is subjected to landform or atural object can replace by underpass when building bridge.

Claims

A kind of T type crossing individual layer threeway overpass bridge, it comprises beeline channel and oblique bending passage, supports bridge pier or tunnel, it is characterized in that; On T type passage (1) top, residing plane or the bottom be provided with an oblique bending passage (2); The head and the tail of this passage coincide with the residing plane of T type triple channel (1); The part of horizontal projection of bending channel and T type triple channel intersect; Bending channel or support or constitute by passing through the clover leaf with it crooked tunnel that is positioned at T type passage below by being positioned at bridge pier on the T type passage.