CN112095460A - Transition section connecting structure for connecting metal beam column type guardrail and concrete guardrail - Google Patents
Transition section connecting structure for connecting metal beam column type guardrail and concrete guardrail Download PDFInfo
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- CN112095460A CN112095460A CN202010826289.8A CN202010826289A CN112095460A CN 112095460 A CN112095460 A CN 112095460A CN 202010826289 A CN202010826289 A CN 202010826289A CN 112095460 A CN112095460 A CN 112095460A
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- guardrail
- thickness
- transition section
- connecting member
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/619—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings with reflectors; with means for keeping reflectors clean
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a transition section connecting structure for connecting a metal beam column type guardrail and a concrete guardrail. The invention solves the problem that potential safety hazards can be caused if the height difference and the thickness difference between the metal beam column type guardrail and the concrete guardrail are large and the connection is improper. This changeover portion connected mode can effectively solve metal beam column type guardrail and concrete guardrail difference in height and thickness great, is easily by the traffic safety problem that the abrupt effect of metal beam column type guardrail crossbeam brought when leading to the vehicle to travel.
Description
Technical Field
The invention relates to the field of traffic safety facilities, in particular to a transition section connecting mode when a metal beam column type guardrail and a concrete guardrail are adjacent, and particularly relates to a transition section connecting structure for connecting the metal beam column type guardrail and the concrete guardrail.
Background
The metal beam column type guardrail has good deformation capacity and large ductility, can absorb a large amount of impact energy and prevent vehicles from crossing the bridge, so that the metal beam column type semi-rigid guardrail is a proper choice for a part of bridges. In comparison, the beam column type metal guardrail has the characteristics of a corrugated beam guardrail and a concrete guardrail, has a better guiding effect on the collision of automobiles, is facing to the construction of traffic infrastructures along with the rapid increase of the economy of China, is widely constructed for large-span bridges, particularly steel bridges, and can be widely applied to large areas in recent years along with the rapid development of infrastructure construction, the improvement of safety consciousness, the improvement of attractiveness and the limitation of a plurality of field spaces. However, the height difference between the metal beam column type guardrail and the concrete guardrail at the same level is 0.1-0.4 m, the metal beam column type guardrail is often used for a bridge section, the protection level is often higher than the concrete guardrail at a road bed section, and therefore the height difference problem of transitional connection of the two types of guardrails is difficult to coordinate. And the concrete guardrail that uses commonly at present is mostly F type guardrail, and its thickness reduces along with the improvement of height gradually, but metal beam column type guardrail thickness is from the top even unchangeable, so the difference in height of two dimensions and the poor transitional coupling who gives two types of guardrails bring very big difficulty, and partial engineering is only simply handled, leads to there being many potential safety hazards.
Disclosure of Invention
The invention mainly aims to provide a transition section connecting mode for connecting a metal beam column type guardrail and a concrete guardrail, so as to effectively solve the problems that the height difference and the thickness difference of the metal beam column type guardrail and the concrete guardrail are large, and the running safety and the negative influence on the driving psychological safety are caused by the abrupt effect of a metal beam column type guardrail beam when the transition is unreasonable.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a changeover portion connection structure for connecting metal beam column formula guardrail and concrete guardrail, includes changeover portion connecting elements, its characterized in that:
the transition section connecting member is made of rubber or plastic materials and is formed by connecting an initial section, a gradual change section and a joint section, the section of the initial section is inverted L-shaped, the section of the joint section is Z-shaped, the transition section connecting member comprises a top plate and a side plate, the thickness of the top plate of the initial section of the transition section connecting member is the height difference between the metal beam column type guardrail and the top of the concrete guardrail, the thickness of the top plate of the gradual change section of the transition section connecting member is gradually reduced from the initial section to the joint section, and the thickness of the top plate of the joint section of the transition section connecting member is 1-10 cm; an opening is reserved in a top plate of an initial section of the transition section connecting member, and the position and the diameter of the opening are matched with those of the embedded bolt at the top of the concrete guardrail; the inner side surface of a side plate of the transition section connecting member is an inclined surface corresponding to the outer side surface of the concrete guardrail, the top of the side plate is flush with the top of the top plate, and the thickness of the side plate of the initial section is matched with the thickness difference between the metal beam column type guardrail and the concrete guardrail; the thickness of the main body of the side plate of the attaching section is transited from 5-10cm to 1-3 cm, and the bottom of the side plate is provided with an extending section matched with a bulge at the lower part of the concrete guardrail; the transverse thickness of the bottom and the upper thickness of the side plate of the gradual change section are gradually transited from the thickness of the side plate of the initial section to the thickness of the main body of the side plate of the attaching section; the transition section connecting member is arranged at the joint of the concrete guardrail and the metal beam column type guardrail, the top plate of the transition section connecting member is arranged at the top of the concrete guardrail and connected with the top plate through the embedded bolts, and an adhesive is coated between the inner side of the transition section connecting member and the surface of the concrete guardrail.
Further, the length of the starting section of the transition section connecting member is L1, and the value of the starting section is not less than 10 cm; the gradient rate of the gradient section side plate in the Z-axis direction is not more than 1:10, and the gradient rate in the X-axis direction and the Y-axis direction is not more than 1: 20; the thickness H3 of the joint of the attaching section and the transition section is 5-10 cm.
Furthermore, the exposed height of the embedded bolt at the top of the concrete guardrail is determined according to the thickness of the connecting member of the transition section at the corresponding position, and the exposed height of the bolt is less than 5mm after the bolt is fastened with the nut; the nominal diameter of the threads is larger than 20mm, two rows of threads are arranged along the thickness direction of the concrete guardrail in an arrangement mode, and the distance between every two adjacent embedded bolts is 0.4-0.5 m.
Furthermore, a reflective film is adhered to the surface of the transition section connecting component, the grade is I-IV, and the color is yellow, so that a driver is prompted to enter a road section difference area.
Furthermore, the adhesive is prepared from synthetic polymer materials, has good bonding strength and durability with concrete and rubber, is uniformly coated on the surface of the concrete guardrail and the inner side of the transition section connecting member during construction, and can open traffic after the strength of the adhesive is completely formed.
The facility has simple structure and convenient installation, and the selection of materials and the design of the connection mode can ensure that the vehicle has good buffering and guiding effects when colliding with the transition section after the accident happens. The invention can improve the driving safety and the overall rationality of traffic safety facilities.
Drawings
The invention is further described in detail in the following structural drawings.
Fig. 1 is an installation layout of the present invention.
Fig. 2 is an overall design of the present invention.
Fig. 3 is a top view of the present invention.
Reference numerals: the concrete guardrail comprises 1-transition section connecting member, 2-concrete guardrail embedded bolts, 3-adhesive, 4-reflective film and 11-transition section connecting member top surface reserved bolt holes.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the connecting member of the transition section is made of rubber or plastic materials with high elasticity, high stretching strength and good tear resistance, the starting end of the connecting member is in an inverted L shape in side view, the thickness H1 is the height difference between the top of the metal beam column type guardrail and the top of the concrete guardrail, the section of the terminating section is in a Z shape, and the thickness H2 of the tail end of the terminating section is 2 cm; the length of the concrete guardrail is 10-20 times of the thickness of the starting end, an opening is reserved on the top surface of the concrete guardrail, and the position of the opening is matched with the position and the diameter of the hole of the concrete guardrail and the position and the diameter of the embedded bolt on the top of the concrete guardrail.
The transition section connecting member is formed by connecting an initial section, a gradual change section and a joint section, the section of the initial section is inverted L-shaped, the section of the joint section is Z-shaped, the transition section connecting member comprises a top plate and a side plate, the thickness of the top plate of the initial section of the transition section connecting member is the height difference between the metal beam column type guardrail and the top of the concrete guardrail, the thickness of the top plate of the gradual change section of the transition section connecting member is gradually reduced from the initial section to the joint section, and the thickness of the top plate of the joint section of the transition section connecting member is 1-10 cm; the inner side surface of a side plate of the transition section connecting member is an inclined surface corresponding to the outer side surface of the concrete guardrail, the top of the side plate is flush with the top of the top plate, the thickness of the side plate of the initial section on the Y axis is matched with the thickness difference between the metal beam column type guardrail and the concrete guardrail, and the bottom of the side plate forms an inclined surface matched with a bulge at the lower part of the concrete guardrail; the side plate of the attaching section is divided into an upper main structure and a lower extending section, the thickness of the upper main structure on the Y axis is transited from 5-10cm to 1-3 cm, and the bottom of the side plate is provided with the lower extending section matched with the lower bulge of the concrete guardrail; the thickness of the side plate of the gradual change section on the Y axis and the thickness on the Z axis are gradually transited from the thickness of the side plate of the initial section to the thickness of the main body of the side plate of the attaching section.
As shown in fig. 1, the embedded bolt of the guardrail is embedded into concrete when the guardrail is formed, the height of the embedded bolt of the guardrail is determined by calculating the thickness of the connecting member at the corresponding position, the nominal diameter of the thread is more than 20mm, and the exposed height of the bolt is less than 5mm after the bolt is fastened with the nut; the arrangement mode is that two rows are arranged along the thickness direction of the concrete guardrail, and the distance is 0.4 m-0.5 m.
As shown in fig. 2, the size of the side plate is gradually changed in three-dimensional space, the length L of the side plate on the X axis is composed of three parts, the size of the starting section is kept to be L1, and the value is not less than 10 cm; the gradual change rate of the height of the section length L2 in the Z-axis direction is not more than 1:10, and the gradual change rate in the X-axis direction and the Y-axis direction is not more than 1: 20; the length of the joint section is L3, the height H3 of the joint of the extension section at the bottom of the joint section and the transition section on the Z axis is 5-10cm, the height of the end part of the joint section on the Z axis is 1-3 cm, and the thickness of the main structure at the upper part of the joint section on the Y axis is transited from 5-10cm to 1-3 cm.
As shown in fig. 2, the adhesive is prepared from a synthetic polymer material, has good bonding strength and durability with concrete and rubber, is uniformly coated on the surface of a concrete guardrail and the inner side of a transition section connecting member during construction, and can open traffic after the strength of the adhesive is completely formed.
As shown in figure 3, the reflective film is adhered to the surface of the transition section connecting component, the grade can be I-IV, and the color is yellow.
Claims (4)
1. The utility model provides a changeover portion connection structure for connecting metal beam column formula guardrail and concrete guardrail, includes changeover portion connecting elements, its characterized in that:
the transition section connecting member is made of rubber or plastic materials and is formed by connecting an initial section, a gradual change section and a joint section, the section of the initial section is inverted L-shaped, the section of the joint section is Z-shaped, the transition section connecting member comprises a top plate and a side plate, the thickness of the top plate of the initial section of the transition section connecting member is the height difference between the metal beam column type guardrail and the top of the concrete guardrail, the thickness of the top plate of the gradual change section of the transition section connecting member is gradually reduced from the initial section to the joint section, and the thickness of the top plate of the joint section of the transition section connecting member is 1-10 cm; an opening is reserved in a top plate of an initial section of the transition section connecting member, and the position and the diameter of the opening are matched with those of the embedded bolt at the top of the concrete guardrail; the inner side surface of a side plate of the transition section connecting member is an inclined surface corresponding to the outer side surface of the concrete guardrail, the top of the side plate is flush with the top of the top plate, and the thickness of the side plate of the initial section is matched with the thickness difference between the metal beam column type guardrail and the concrete guardrail; the thickness of the main body of the side plate of the attaching section is transited from 5-10cm to 1-3 cm, and the bottom of the side plate is provided with an extending section matched with a bulge at the lower part of the concrete guardrail; the transverse thickness and the upper thickness of the side plate of the gradual change section are gradually transited from the thickness of the side plate of the initial section to the thickness of the main body of the side plate of the joint section; the transition section connecting member is arranged at the joint of the concrete guardrail and the metal beam column type guardrail, the top plate of the transition section connecting member is arranged at the top of the concrete guardrail and connected with the top plate through the embedded bolts, and an adhesive is coated between the inner side of the transition section connecting member and the surface of the concrete guardrail.
2. A transition connection structure for connecting a metal beam and column guardrail and a concrete guardrail of claim 1, wherein the transition connection member has a starting section length of L1 which is not less than 10 cm; the gradient rate of the gradient section side plate in the Z-axis direction is not more than 1:10, and the gradient rate in the X-axis direction and the Y-axis direction is not more than 1: 20; the thickness H3 of the joint of the attaching section and the transition section is 5-10 cm.
3. The transition section connecting structure for connecting a metal beam-column type guardrail and a concrete guardrail according to claim 1, wherein the exposed height of the embedded bolt at the top of the concrete guardrail is determined according to the thickness of the transition section connecting member at the corresponding position, and the exposed height of the bolt is less than 5mm after the bolt is fastened with the nut; the nominal diameter of the threads is larger than 20mm, two rows of threads are arranged along the thickness direction of the concrete guardrail in an arrangement mode, and the distance between every two adjacent embedded bolts is 0.4-0.5 m.
4. The transition section coupling structure for a metal beam and column type guard rail and a concrete guard rail according to claim 1, wherein a reflective film is attached to a surface of the transition section coupling member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010826289.8A CN112095460A (en) | 2020-08-17 | 2020-08-17 | Transition section connecting structure for connecting metal beam column type guardrail and concrete guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010826289.8A CN112095460A (en) | 2020-08-17 | 2020-08-17 | Transition section connecting structure for connecting metal beam column type guardrail and concrete guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112095460A true CN112095460A (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010826289.8A Pending CN112095460A (en) | 2020-08-17 | 2020-08-17 | Transition section connecting structure for connecting metal beam column type guardrail and concrete guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112095460A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200317919Y1 (en) * | 2003-03-17 | 2003-06-27 | (주)환경그룹 | A reinforcing construction for the bridge's guide |
| CN2873873Y (en) * | 2006-04-05 | 2007-02-28 | 山东省高速公路集团有限公司鲁东分公司 | Road railing transition section |
| CN208545666U (en) * | 2018-05-17 | 2019-02-26 | 吉林省交通规划设计院 | A kind of transition section apparatus of Bridge guardrail and roadbed corrugated beam barrier |
| CN208701564U (en) * | 2018-07-17 | 2019-04-05 | 吉林省交通规划设计院 | A kind of novel tunnel mouth beams of metal post fence transition section apparatus |
| CN110700094A (en) * | 2019-11-12 | 2020-01-17 | 中国建筑土木建设有限公司 | Viaduct wall-mounted guardrail structure and construction method thereof |
| CN210216254U (en) * | 2019-06-28 | 2020-03-31 | 山东省交通规划设计院 | Concrete guardrail structure |
| CN210288214U (en) * | 2019-07-01 | 2020-04-10 | 北京华路安交通科技有限公司 | Wave form roof beam combination formula guardrail and concrete guardrail transition structure |
| CN111270606A (en) * | 2020-02-11 | 2020-06-12 | 山东省交通规划设计院有限公司 | Connecting structure of assembled steel bridge floor concrete anti-collision guardrail and complete construction method thereof |
-
2020
- 2020-08-17 CN CN202010826289.8A patent/CN112095460A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200317919Y1 (en) * | 2003-03-17 | 2003-06-27 | (주)환경그룹 | A reinforcing construction for the bridge's guide |
| CN2873873Y (en) * | 2006-04-05 | 2007-02-28 | 山东省高速公路集团有限公司鲁东分公司 | Road railing transition section |
| CN208545666U (en) * | 2018-05-17 | 2019-02-26 | 吉林省交通规划设计院 | A kind of transition section apparatus of Bridge guardrail and roadbed corrugated beam barrier |
| CN208701564U (en) * | 2018-07-17 | 2019-04-05 | 吉林省交通规划设计院 | A kind of novel tunnel mouth beams of metal post fence transition section apparatus |
| CN210216254U (en) * | 2019-06-28 | 2020-03-31 | 山东省交通规划设计院 | Concrete guardrail structure |
| CN210288214U (en) * | 2019-07-01 | 2020-04-10 | 北京华路安交通科技有限公司 | Wave form roof beam combination formula guardrail and concrete guardrail transition structure |
| CN110700094A (en) * | 2019-11-12 | 2020-01-17 | 中国建筑土木建设有限公司 | Viaduct wall-mounted guardrail structure and construction method thereof |
| CN111270606A (en) * | 2020-02-11 | 2020-06-12 | 山东省交通规划设计院有限公司 | Connecting structure of assembled steel bridge floor concrete anti-collision guardrail and complete construction method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 余承辉等: "《金属工艺基础》", 中国科学技术大学出版社, pages: 1225 - 1227 * |
| 王爱民;高建雨;汤天明;邓宝;: "梁柱式型钢护栏与混凝土护栏过渡研究", 桥梁建设, no. 1, pages 51 - 56 * |
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