CN201314033Y - Prestressed road-and-bridge barrier transition bean - Google Patents

Prestressed road-and-bridge barrier transition bean Download PDF

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Publication number
CN201314033Y
CN201314033Y CNU2008201322341U CN200820132234U CN201314033Y CN 201314033 Y CN201314033 Y CN 201314033Y CN U2008201322341 U CNU2008201322341 U CN U2008201322341U CN 200820132234 U CN200820132234 U CN 200820132234U CN 201314033 Y CN201314033 Y CN 201314033Y
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CN
China
Prior art keywords
guardrail
prestressing force
waveform
bridge
plate
Prior art date
Application number
CNU2008201322341U
Other languages
Chinese (zh)
Inventor
李建伟
Original Assignee
李建伟
任新建
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 李建伟, 任新建 filed Critical 李建伟
Priority to CNU2008201322341U priority Critical patent/CN201314033Y/en
Application granted granted Critical
Publication of CN201314033Y publication Critical patent/CN201314033Y/en

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Abstract

The utility model discloses a prestressed road-and-bridge barrier transition bean, which consists of a prestressed waveform transition beam, a supporting beam and a connector, wherein the prestressed waveform transition beam comprises a plurality of upright posts and a plurality of sections of prestressed waveform barrier plates; each prestressed waveform barrier plate comprises a waveform barrier plate and a prestressing unit; and the prestressing unit comprises a steel tube, an anchor, a cable and a connecting part. One end of the prestressed waveform transition beam and one end of the supporting beam are fixed on a road-and-bridge barrier through the connector; the other ends are connected with a waveform-beam roadbed barrier; by adjusting the turned edge number, width, thickness, upright post diameter, upright post wall thickness, steel tube diameter, steel tube wall thickness and cable prestress of each section of prestressed waveform barrier plate, the prestressed waveform barrier plate is gradually enlarged from the waveform-beam roadbed barrier to the road-and-bridge barrier; and thereby, the smooth transition of the rigidity of the barrier is realized.

Description

Prestressing force road and bridge guardrail is crossed bridging beam

Technical field

The utility model relates to a kind of prestressing force road and bridge guardrail and crosses bridging beam, is used for the syndeton of carrying out the rigidity transition between the guardrail of syn-collision grade not, is specially adapted to carry out transition between the Bridge guardrail of highway subgrade guardrail and different-stiffness and is connected.

Background technology

Guardrail is to guarantee highway and the indispensable traffic safety facilities of urban road safety, in minimizing traffic accident quantity with alleviate and bringing into play important effect aspect the severity of injuries.Highway in China has the accident of significant proportion relevant with guardrail with urban road, and the height that guardrail is provided with level directly affects the traffic safety of highway and urban road.

Several interim forms of domestic extensive employing at present can't normally be used to a certain extent, and mainly there are two problems in this, and the one, because the rigidity gap is not elevated to configuration in short distance.Be to have taked interim measure in form, and in fact do not reach the requirement of standard " transition gradually ".The 2nd, do not connect, or be overlap joint substantially, the weak link of protective capacities has formed security breaches often, and a lot of vehicles are routed up outside the road from the changeover portion junction, and changeover portion has become the stain of road traffic accident.

Regulation " when Bridge guardrail is different anti-collision level or different structure form with roadbed guardrail phase joining place; changeover portion should be set; make the rigidity transition gradually of guardrail, and form as a whole " among China's " freeway traffic engineering and facilities design general specification along the line " JTG D80 (17 pages).Multiple Bridge guardrail, its design collision grade and height are all inequality with the roadbed guardrail, thereby invent a kind of prestressing force road and bridge guardrail that is applicable to that new criteria requires and cross bridging beam, thereby realize becoming the needs of effectively avoiding accident or alleviating severity of injuries assurance traffic safety to the reasonable transition of the stiff safety fence of syn-collision grade not by semi-rigidity rail.

The utility model content

The purpose of this utility model provides a kind of prestressing force road and bridge guardrail and crosses bridging beam, at Bridge guardrail and roadbed guardrail when joining place is for not syn-collision grade or different structure form mutually, this crosses the rigidity transition gradually that bridging beam can make guardrail, and finally makes roadbed guardrail and Bridge guardrail form an effective protection body.

Prestressing force road and bridge guardrail of the present utility model is crossed bridging beam and is crossed bridging beam, brace summer and linkage by the prestressing force waveform and form, wherein the prestressing force waveform is crossed bridging beam and is made up of several columns and several sections prestressing force corrugated guardrail plates, the prestressing force corrugated guardrail plate is made up of corrugated guardrail plate and prestressing apparatus, prestressing apparatus comprises steel pipe, ground tackle, rope and connector three parts, and linkage fixation steel plate and connecting bolt are formed.

The corrugated beam barrier plate that described prestressing force waveform is crossed bridging beam is provided with prestressing apparatus.Make the corrugated beam barrier plate produce prestressing.

Described each section prestressing force corrugated guardrail plate is arranged between roadbed guardrail and the Bridge guardrail, and bottom is curling shape on the prestressing force corrugated guardrail plate, and its amount of crimp is successively decreased to the Bridge guardrail direction along the roadbed guardrail.

The diameter and the wall thickness of steel pipe increase progressively to the Bridge guardrail direction is ascending along the roadbed guardrail in described each section prestressing force corrugated guardrail plate prestressing apparatus.

The prestressing force of rope increases progressively to the Bridge guardrail direction is ascending along the roadbed guardrail in described each section prestressing force corrugated guardrail plate prestressing apparatus.

The thickness of described each section prestressing force corrugated guardrail plate and width be the ascending layout that increases progressively along the roadbed guardrail to the Bridge guardrail direction respectively.

Described each section prestressing force waveform is crossed the column wall thickness of bridging beam and the diameter ascending layout that increases progressively along the roadbed guardrail to the Bridge guardrail direction respectively.

Prestressing force road and bridge guardrail of the present utility model transition can be used for the bridge concrete guardrail of roadbed corrugated beam barrier and different-stiffness, or bridge combined type concrete guardrail, or the transition between the Bridge Beam pillar shaped steel guardrail connects.By three parts's design and the transition gradually that has fixedly realized rigidity to each section corrugated guardrail plate, column and prestressing apparatus, reasonable in design, delicate structure, make the rigidity gap of roadbed guardrail and Bridge guardrail in short distance, be elevated to the requirement configuration, fundamentally solve the weak link of this protection of tie point, thereby reached the purpose of eliminating traffic accident stain, guarantee driving safety.

Description of drawings

Fig. 1 is the plane structure schematic diagram of a kind of embodiment of the present utility model.

Fig. 2 is the side structure schematic diagram of a kind of embodiment of the present utility model.

Fig. 3 is the facade structures schematic diagram of a kind of embodiment of the present utility model.

The specific embodiment

Now in conjunction with the accompanying drawings the utility model is described further.

Shown in Fig. 1,2,3,4,5, prestressing force road and bridge guardrail crosses that bridging beam is crossed bridging beam 9 by the prestressing force waveform and linkage 10 is formed.The prestressing force waveform is crossed bridging beam 9 one ends and is fixed on the Bridge guardrail 12 by linkage 10, and the other end links to each other with roadbed corrugated beam barrier 4, and integral body is made up of ten root posts 1 and three sections prestressing force corrugated guardrail plate I, II, III.

The prestressing force waveform is crossed bridging beam 9 and is made up of prestressing force corrugated guardrail plate 8 and column 1.Prestressing force corrugated guardrail plate 8 is made up of corrugated guardrail plate 13 and prestressing apparatus, and wherein prestressing apparatus comprises ground tackle, steel pipe 7, rope 6 and splicing sleeve four parts.Road and bridge, the guardrail connection fittings were made up of brace summer 2, fixation steel plate 3 and connecting bolt 5.

The prestressing force waveform is crossed bridging beam 9 along corrugated beam barrier plate 8 plate length directions, and the lower wave trough place is used in the prestressing technique device on the corrugated beam barrier plate 8 respectively on column one side waveform plate, makes corrugated beam barrier plate 8 produce prestressing.

The prestressing force corrugated guardrail plate is divided into three elementary sections among Fig. 2, every section 4 meters long.When the roadbed corrugated beam barrier is connected with the bridge concrete guardrail of 280kj, to establish in every section and strengthen one on column, the column spacing is 2 meters; When the roadbed corrugated beam barrier is connected with the bridge concrete guardrail of 400kj, to establish in every section and strengthen two on column, the column spacing is 1.33 meters; When the roadbed corrugated beam barrier is connected with the bridge concrete guardrail of 520kj, to establish in every section and strengthen three on column, the column spacing is 1 meter.

The quantity that the lower edge crimping involves in steel plate on three sections prestressing force corrugated guardrail plates 8 is arranged to Bridge guardrail from less to more by the roadbed guardrail, makes the rigidity of three sections prestressing force corrugated guardrail plates increase gradually.

Wall thickness increased gradually when steel pipe 7 was with diameter in three sections prestressing force corrugated guardrail plate 8 prestressing apparatus, and diameter increases gradually during with wall thickness, and steel pipe rigidity is increased to Bridge guardrail from small to large gradually by the roadbed guardrail.

The prestressing force of rope 6 is increased to Bridge guardrail from small to large gradually by the roadbed guardrail in three sections prestressing force corrugated guardrail plate prestressing apparatus.

Three sections prestressing force corrugated guardrail plate thicknesss of slab are increased to Bridge guardrail from small to large gradually by the roadbed guardrail, are respectively 4mm, 4.5mm and 5mm.

The prestressing force waveform is crossed bridging beam 9 by the rule setting of column 1 and the rigidity adjustment of three sections prestressing force corrugated guardrail plates 8, promptly regulate what, plate modes such as increase wide, thickness of slab of the diameter of prestressing force size, steel pipe 7 of rope 6 or wall thickness, prestressing force corrugated sheet 8 crimpings and carry out the rigidity adjustment, reach the level of Bridge guardrail rigidity.The rigidity of roadbed wave beams semi-rigidity rail 160kj by transition is regulated the firm configuration that has finally reached the bridge stiff safety fence, can reach the collision grades such as 280kj, 400kj, 520kj of Bridge guardrail regulation and stipulation respectively.

Claims (6)

1. a prestressing force road and bridge guardrail is crossed bridging beam, it is characterized in that: prestressing force road and bridge guardrail is crossed bridging beam and is crossed bridging beam, brace summer and linkage by the prestressing force waveform and form, wherein the prestressing force waveform is crossed bridging beam and is made up of several columns and several sections prestressing force corrugated guardrail plates, the prestressing force corrugated guardrail plate is made up of corrugated guardrail plate and prestressing apparatus, prestressing apparatus comprises steel pipe, ground tackle, rope and connector three parts, and linkage is made up of fixation steel plate and connecting bolt.
2. the prestressing force waveform is crossed bridging beam according to claim 1, it is characterized in that: the corrugated beam barrier plate that described prestressing force waveform is crossed bridging beam is provided with prestressing apparatus.
3. the prestressing force waveform is crossed bridging beam according to claim 1, it is characterized in that: described each section prestressing force corrugated guardrail plate is arranged between roadbed guardrail and the Bridge guardrail, bottom is curling shape on the prestressing force corrugated guardrail plate, and its amount of crimp is successively decreased to the Bridge guardrail direction along the roadbed guardrail.
4. the prestressing force waveform is crossed bridging beam according to claim 1, it is characterized in that: the diameter and the wall thickness of steel pipe increase progressively to the Bridge guardrail direction is ascending along the roadbed guardrail in described each section prestressing force corrugated guardrail plate prestressing apparatus.
5. the prestressing force waveform is crossed bridging beam according to claim 1, it is characterized in that: the thickness of described each section prestressing force corrugated guardrail plate and width be the ascending layout that increases progressively along the roadbed guardrail to the Bridge guardrail direction respectively.
6. the prestressing force waveform is crossed bridging beam according to claim 1, it is characterized in that: described each section prestressing force waveform is crossed the column wall thickness of bridging beam and the diameter ascending layout that increases progressively along the roadbed guardrail to the Bridge guardrail direction respectively.
CNU2008201322341U 2008-08-18 2008-08-18 Prestressed road-and-bridge barrier transition bean CN201314033Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201322341U CN201314033Y (en) 2008-08-18 2008-08-18 Prestressed road-and-bridge barrier transition bean

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201322341U CN201314033Y (en) 2008-08-18 2008-08-18 Prestressed road-and-bridge barrier transition bean

Publications (1)

Publication Number Publication Date
CN201314033Y true CN201314033Y (en) 2009-09-23

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101761045B (en) * 2008-12-22 2012-05-23 北京中通路科技有限公司 Single wave beam guardrail plate and single wave beam steel guardrail
CN102979051A (en) * 2012-08-30 2013-03-20 北京中通路科技有限公司 Double-layer single-wave beam steel guardrail
CN103114539A (en) * 2013-03-19 2013-05-22 南京工业大学 Built-in steel strand composite material wave-shaped crash barrier
CN105862625A (en) * 2015-10-21 2016-08-17 北京中交路成交通技术有限公司 Energy gathering guardrail plates and energy gathering beam anti-collision guardrail
CN106522091A (en) * 2016-11-17 2017-03-22 中安安轩安全产业发展有限公司 Highway tubular wavy beam guardrail plate and tubular wavy beam guardrail
CN106592472A (en) * 2017-01-22 2017-04-26 合肥饰界金属制品有限公司 Road guardrail
CN106592471A (en) * 2017-01-22 2017-04-26 合肥饰界金属制品有限公司 Road protection fence
CN106702926A (en) * 2017-01-22 2017-05-24 合肥饰界金属制品有限公司 Road guard railing

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101761045B (en) * 2008-12-22 2012-05-23 北京中通路科技有限公司 Single wave beam guardrail plate and single wave beam steel guardrail
CN102979051A (en) * 2012-08-30 2013-03-20 北京中通路科技有限公司 Double-layer single-wave beam steel guardrail
CN102979051B (en) * 2012-08-30 2016-06-22 中交路安(北京)科技有限公司 A kind of double-layer single-wave beam steel guardrail
CN103114539A (en) * 2013-03-19 2013-05-22 南京工业大学 Built-in steel strand composite material wave-shaped crash barrier
CN105862625A (en) * 2015-10-21 2016-08-17 北京中交路成交通技术有限公司 Energy gathering guardrail plates and energy gathering beam anti-collision guardrail
CN106522091A (en) * 2016-11-17 2017-03-22 中安安轩安全产业发展有限公司 Highway tubular wavy beam guardrail plate and tubular wavy beam guardrail
CN106592472A (en) * 2017-01-22 2017-04-26 合肥饰界金属制品有限公司 Road guardrail
CN106592471A (en) * 2017-01-22 2017-04-26 合肥饰界金属制品有限公司 Road protection fence
CN106702926A (en) * 2017-01-22 2017-05-24 合肥饰界金属制品有限公司 Road guard railing

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090923

Termination date: 20100818

C17 Cessation of patent right