CN114737475B - Assembled energy-dissipation anti-collision wall and assembling method thereof - Google Patents

Assembled energy-dissipation anti-collision wall and assembling method thereof Download PDF

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Publication number
CN114737475B
CN114737475B CN202210471174.0A CN202210471174A CN114737475B CN 114737475 B CN114737475 B CN 114737475B CN 202210471174 A CN202210471174 A CN 202210471174A CN 114737475 B CN114737475 B CN 114737475B
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China
Prior art keywords
energy
energy dissipation
sliding
collision wall
dissipatable
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CN202210471174.0A
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CN114737475A (en
Inventor
崔成涛
杨威
刘杰
王双武
丛潇然
董静
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Xian University of Technology
Sinohydro Bureau 14 Co Ltd
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Xian University of Technology
Sinohydro Bureau 14 Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/10Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
    • E01D19/103Parapets, railings ; Guard barriers or road-bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/30Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention discloses an assembled energy-dissipatable anti-collision wall and an assembling method thereof, and relates to the technical field of traffic buildings. When the anti-collision wall is impacted, the anti-collision wall drives the sliding component to slide, the energy dissipation component deforms to achieve the energy dissipation effect, the overall rigidity requirement of the anti-collision wall is reduced, excessive damage and damage caused by hard collision are avoided, and the anti-collision wall is assembled, so that the cost is reduced, the construction is convenient, the popularization is convenient, and the later maintenance and the maintenance are also convenient.

Description

Assembled energy-dissipation anti-collision wall and assembling method thereof
Technical Field
The invention relates to the technical field of traffic buildings, in particular to an assembled energy-dissipation anti-collision wall and an assembling method thereof.
Background
With the development of society, vehicles on roads are gradually increased and the running speed is gradually increased, which also results in the gradual increase of traffic accidents in recent years, and as bridges are positioned above the ground, no guarantee measures are usually provided below the bridges, so that the survival chance of drivers in case of traffic accidents is greatly reduced. Therefore, the anti-collision wall is an important safety protection guarantee structure as one of main body structures of the bridge, and when a vehicle loses control of colliding with the anti-collision wall for various reasons, the anti-collision wall can absorb energy through the deformed anti-collision wall or change the running track of the vehicle through ascending of the vehicle, so that the collision energy is reduced, and the accident severity is reduced. However, the prior anti-collision wall has the following problems in the use process:
1. the anti-collision wall is constructed by adopting a cast-in-situ method, the auxiliary installation equipment is more, the construction process is assisted more complicated, the construction progress is slower, the construction quality is difficult to be ensured effectively, meanwhile, the cast-in-situ concrete is easy to run out of the mould, so that the anti-collision wall is uneven, and the appearance of the bridge is influenced;
2. the whole rigidity of the existing bridge anti-collision structure is high, when collision occurs, large damage and damage are easy to occur, and later maintenance and repair are complex.
Therefore, designing an energy-dissipatable anti-collision wall with high installation speed and good protection performance is a problem to be solved currently.
Disclosure of Invention
The invention aims to provide an assembled energy-dissipation anti-collision wall and an assembling method thereof, which are used for solving the problems in the prior art, so that the energy-dissipation anti-collision wall is assembled, the cost is reduced, the construction is convenient, and the later maintenance and popularization are convenient.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides an assembled energy-dissipation anti-collision wall which comprises an anti-collision wall body, a sliding assembly and an energy dissipation assembly, wherein a plurality of sliding assemblies and the energy dissipation assembly are detachably arranged between the anti-collision wall body and a bridge pavement, the sliding assemblies and the energy dissipation assembly are factory prefabricated members, the sliding assemblies can enable the anti-collision wall body and the bridge pavement to move relatively, and the energy dissipation assembly can counteract impact energy through deformation.
Preferably, the sliding assembly comprises a sliding groove and a sliding block, the sliding block is clamped in the sliding groove, the sliding block can slide in the sliding groove, the sliding groove is connected with the anti-collision wall body or the bridge pavement through a bolt, and the sliding block is connected with the bridge pavement or the anti-collision wall body through a bolt.
Preferably, at least one end face of the chute is connected with a baffle through a bolt.
Preferably, the sliding block is I-shaped, at least two pairs of bolt holes are symmetrically arranged on the upper plate of the sliding block, the joint of the bottom plate and the middle plate is an inclined plane, the section shape of the sliding groove is matched with the section shape of the sliding block, and a gasket is arranged on the bolt.
Preferably, the length of the chute is at least 5cm greater than the length of the slider.
Preferably, the energy dissipation assembly comprises an S-shaped plate and bolts, wherein two ends of the S-shaped plate are respectively connected with the bridge pavement or the anti-collision wall body through the bolts.
Preferably, the width of the plate of the S-shaped plate is at least 10cm, the length of the projection surface is at least 15cm, two pairs of bolts are arranged at each end of the S-shaped plate, and washers are arranged on the bolts.
Preferably, the S-shaped cross section of the S-shaped plate is parallel to the cross section of the bridge pavement.
Preferably, the energy dissipation components are arranged in a plurality at equal intervals, the energy dissipation components form the energy dissipation component string, and the sliding components are positioned at two ends of the energy dissipation component string.
The invention also relates to an assembly method of the assembled energy-dissipatable anti-collision wall, which is based on the assembled energy-dissipatable anti-collision wall and comprises the following steps of:
step 1, prefabricating a sliding assembly and an energy dissipation assembly according to the design size requirement, and respectively installing bolts and washers in bolt holes in the sliding assembly and the energy dissipation assembly;
step 2, determining the number and positions of the bolt holes on the anti-collision wall body and the bridge pavement according to the number and the layout of the bolts in the sliding assembly and the energy dissipation assembly;
and 3, hanging the anti-collision wall body to the upper parts of the sliding assembly and the energy dissipation assembly through a hanging machine, and respectively hanging the bridge pavement and the bottom of the anti-collision wall body on the sliding assembly and the energy dissipation assembly through bolts to obtain the assembled energy-dissipatable anti-collision wall.
Compared with the prior art, the invention has the following technical effects:
when the anti-collision wall is impacted, the anti-collision wall drives the sliding component to slide, the energy dissipation component deforms to achieve the energy dissipation effect, the overall rigidity requirement of the anti-collision wall is reduced, excessive damage and damage caused by hard collision are avoided, and the anti-collision wall is assembled, so that the cost is reduced, the construction is convenient, the popularization is convenient, and the later maintenance and the maintenance are also convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an overall assembly structure of an assembled energy-dissipatable anti-collision wall according to the present invention;
FIG. 2 is a schematic view of a partial structure of an assembled energy-dissipatable anti-collision wall according to the present invention;
FIG. 3 is a schematic view of a sliding assembly according to the present invention;
FIG. 4 is a schematic view showing the internal structure of the sliding assembly according to the present invention;
FIG. 5 is a schematic diagram of a structure of an energy dissipating assembly according to the present invention;
wherein: 1-anti-collision wall, 2-bridge pavement, 3-sliding chute, 4-sliding block, 5-baffle, 6-S-shaped plate, 7-bolt and 8-gasket.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art based on the embodiments of the invention without any inventive effort, are intended to fall within the scope of the invention.
The invention aims to provide an assembled energy-dissipation anti-collision wall and an assembling method thereof, which are used for solving the problems in the prior art, so that the energy-dissipation anti-collision wall is assembled, the cost is reduced, the construction is convenient, and the later maintenance and popularization are convenient.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1 to 5: the embodiment provides an assembled energy dissipation anti-collision wall, including crashproof wall body 1, slip subassembly and energy dissipation subassembly, can dismantle between crashproof wall body 1 and the bridge road surface 2 and be provided with a plurality of slip subassembly and energy dissipation subassembly, slip subassembly and energy dissipation subassembly are mill prefab, and slip subassembly can make crashproof wall body 1 and bridge road surface 2 relative movement, and energy dissipation subassembly can offset the striking energy through the deformation.
The sliding component comprises a sliding groove 3 and a sliding block 4, the sliding block 4 is clamped in the sliding groove 3, the sliding block 4 can slide in the sliding groove 3, the sliding groove 3 is connected with the anti-collision wall body 1 or the bridge pavement 2 through a bolt 7, the sliding groove 3 is connected with the anti-collision wall body 1 in the embodiment, pavement positioning is convenient to achieve, and the sliding block 4 is connected with the bridge pavement 2 or the anti-collision wall body 1 through the bolt 7. The chute 3 is in a convex shape, at least one end surface of the chute 3 is connected with a baffle 5 through a bolt 7 (two end surfaces of the chute 3 are connected with the baffle 5 through the bolt 7), so that the sliding block 4 is convenient to assemble, and the functions of blocking and anti-overturning are achieved. The slider 4 is the I shape, and the junction that is provided with two pairs of bolt holes, bottom plate and medium plate on the upper plate of slider 4 at least symmetry is the inclined plane, is in order to guarantee slider 4 and is convenient for assemble, when crashproof wall 1 receives the striking, makes slider 4 only follow lateral shifting in spout 3, restriction slider 4 in the ascending removal of vertical direction, also makes slider 4 reduce the sharp-pointed friction with spout 3 in the slip in-process, avoids slider 4 to go out the wearing and tearing destruction in the follow-up use. The cross-sectional shape of the chute 3 matches the cross-sectional shape of the slide 4, and washers 8 are provided on all bolts 7. The length of the sliding chute 3 is at least 5cm greater than that of the sliding block 4, the anti-collision wall body 1 is arranged in a segmented mode, the length of the anti-collision wall body 1 is 200cm, the height is 85cm, and the width of the projection surface is 45cm; the whole height of the chute 3 is 8cm, the width of the bottom surface is 26cm, and the length is 31cm; the whole height of the sliding block 4 is 10cm, the maximum width is 18cm, and the maximum length is 20cm; wherein the length of the chute 3 is 8cm greater than the length of the slide 4.
The energy dissipation assembly comprises an S-shaped plate 6 and bolts 7, and two ends of the S-shaped plate 6 are respectively connected with the bridge pavement 2 or the anti-collision wall body 1 through the bolts 7. The S-shaped plate 6 is a steel plate, the width of the plate of the S-shaped plate 6 is at least 10cm, the length of the projection surface is at least 15cm, the width of the plate of the S-shaped plate 6 in this embodiment is 15cm, the length of the projection surface is 24cm, the thickness of the plate is 1cm, and the overall height of the S-shaped plate 6 is 13cm. Two pairs of bolts 7 are arranged at each end of the S-shaped plate 6, washers 8 are arranged on the bolts 7, and the washers 8 can play roles in reducing pressure, increasing friction and fixing. The S-shaped section of the S-shaped plate 6 is parallel to the cross section of the bridge pavement 2.
The energy dissipation components are arranged in an equidistant manner to form an energy dissipation component string, the sliding components are positioned at two ends of the energy dissipation component string, and the sliding components are positioned at two ends of the energy dissipation component string; when the anti-collision wall is used, the sliding components are positioned at two ends of the single-span anti-collision wall body 1, so that the whole-span anti-collision wall body 1 can be impacted and moved more smoothly, and the energy dissipation effect of the energy dissipation component string can be exerted to the greatest extent.
The invention also relates to an assembly method of the assembled energy-dissipatable anti-collision wall, which is based on the assembled energy-dissipatable anti-collision wall and comprises the following steps of:
step 1, prefabricating a sliding assembly and an energy dissipation assembly according to the design size requirement, and respectively installing bolts 7 and washers 8 in bolt holes in the sliding assembly and the energy dissipation assembly; the S-shaped plate 6, the sliding block 4, the sliding groove 3, the baffle 5, the bolts 7 and the gaskets 8 can be produced in a factory, and then transported and assembled, so that the production condition and the production quality can be ensured.
Step 2, determining the number and positions of the bolt holes on the anti-collision wall body 1 and the bridge pavement 2 according to the number and the layout of the bolts 7 in the sliding assembly and the energy dissipation assembly;
and 3, hanging the anti-collision wall body 1 above the sliding component and the energy dissipation component through a hanging machine, and respectively hanging the bottoms of the bridge pavement 2 and the anti-collision wall body 1 on the sliding component and the energy dissipation component through bolts 7 to obtain the assembled energy-dissipation anti-collision wall.
The assembled energy-dissipation anti-collision wall of the embodiment adopts assembled installation, thereby reducing cost, facilitating construction and popularization and facilitating later maintenance; the sliding component can increase the sliding range of the anti-collision wall body 1 to a certain extent, the sliding chute 3 also plays a role in positioning in the assembly process with the bridge pavement 2, the baffle plate 5 on the end surface of the sliding chute 3 can facilitate the assembly of the sliding block 4, plays a role in blocking and anti-overturning, and prevents the sliding block 4 from sliding out of the sliding chute 3 and overturning the anti-collision wall body when being subjected to strong impact when the anti-collision wall body 1 is deformed too much. When the anti-collision wall body 1 is impacted by a car, the anti-collision wall body 1 drives the sliding block 4 to slide in the sliding groove 3, so that the S-shaped plate 6 connected with the anti-collision wall body 1 deforms to play a role in dissipating energy, the overall rigidity of the anti-collision wall body 1 is reduced, and overlarge damage and damage caused by hard collision are avoided.
The principles and embodiments of the present invention have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present invention and its core ideas; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims (9)

1. An assembled energy dissipation anticollision wall, its characterized in that: including crashproof wall body, slip subassembly and energy dissipation subassembly, can dismantle between crashproof wall body and the bridge road surface and be provided with a plurality of slip subassembly with energy dissipation subassembly, slip subassembly with energy dissipation subassembly is mill prefab, slip subassembly can make crashproof wall body with bridge road surface relative movement, energy dissipation subassembly can offset the striking energy through warping, energy dissipation subassembly includes S template and bolt, the both ends of S template respectively through the bolt with bridge road surface or crashproof wall connection.
2. The fabricated energy-dissipatable impact wall of claim 1, wherein: the sliding assembly comprises a sliding groove and a sliding block, the sliding block is clamped in the sliding groove, the sliding block can slide in the sliding groove, the sliding groove is connected with the anti-collision wall body or the bridge pavement through a bolt, and the sliding block is connected with the bridge pavement or the anti-collision wall body through a bolt.
3. The fabricated energy-dissipatable impact wall of claim 2, wherein: at least one end face of the chute is connected with a baffle through a bolt.
4. The fabricated energy-dissipatable impact wall of claim 2, wherein: the sliding block is I-shaped, at least two pairs of bolt holes are symmetrically arranged on the upper plate of the sliding block, the joint of the bottom plate and the middle plate is an inclined plane, the section shape of the sliding groove is matched with the section shape of the sliding block, and a gasket is arranged on the bolt.
5. The fabricated energy-dissipatable impact wall of claim 2, wherein: the length of the sliding groove is at least 5cm larger than that of the sliding block.
6. The fabricated energy-dissipatable impact wall of claim 1, wherein: the S-shaped plate is at least 10cm in plate width and at least 15cm in length of a projection surface, two pairs of bolts are arranged at each end of the S-shaped plate, and washers are arranged on the bolts.
7. The fabricated energy-dissipatable impact wall of claim 1, wherein: the S-shaped section of the S-shaped plate is parallel to the cross section of the bridge pavement.
8. The fabricated energy-dissipatable impact wall of claim 1, wherein: the energy dissipation components are arranged in an equidistant mode, the energy dissipation components form an energy dissipation component string, and the sliding components are located at two ends of the energy dissipation component string.
9. An assembling method of an assembled energy-dissipatable anti-collision wall based on the assembled energy-dissipatable anti-collision wall according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:
step 1, prefabricating a sliding assembly and an energy dissipation assembly according to the design size requirement, and respectively installing bolts and washers in bolt holes in the sliding assembly and the energy dissipation assembly;
step 2, determining the number and positions of the bolt holes on the anti-collision wall body and the bridge pavement according to the number and the layout of the bolts in the sliding assembly and the energy dissipation assembly;
and 3, hanging the anti-collision wall body to the upper parts of the sliding assembly and the energy dissipation assembly through a hanging machine, and respectively hanging the bridge pavement and the bottom of the anti-collision wall body on the sliding assembly and the energy dissipation assembly through bolts to obtain the assembled energy-dissipatable anti-collision wall.
CN202210471174.0A 2022-04-28 2022-04-28 Assembled energy-dissipation anti-collision wall and assembling method thereof Active CN114737475B (en)

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CN114737475B true CN114737475B (en) 2023-08-11

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09296415A (en) * 1996-04-30 1997-11-18 Nippon Samikon Kk Balustrade for concrete wall and road side wall
CN112030739A (en) * 2020-09-08 2020-12-04 习颖 Public road bridge roof beam buffer stop
CN213681722U (en) * 2020-10-15 2021-07-13 吴登高 Anti-collision protection fence for road and bridge
CN213709322U (en) * 2020-09-07 2021-07-16 宁夏常博建设发展有限公司 Protective wall with buffering power on expressway
CN213772940U (en) * 2020-11-18 2021-07-23 广州快速交通建设有限公司 Anti-collision wall capable of dissipating energy
CN214882952U (en) * 2021-07-06 2021-11-26 天津龙昱祥建筑工程有限公司 Bridge anti-collision structure
CN215629356U (en) * 2020-11-18 2022-01-25 广州快速交通建设有限公司 Anti-collision wall capable of dissipating energy in rotating mode

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09296415A (en) * 1996-04-30 1997-11-18 Nippon Samikon Kk Balustrade for concrete wall and road side wall
CN213709322U (en) * 2020-09-07 2021-07-16 宁夏常博建设发展有限公司 Protective wall with buffering power on expressway
CN112030739A (en) * 2020-09-08 2020-12-04 习颖 Public road bridge roof beam buffer stop
CN213681722U (en) * 2020-10-15 2021-07-13 吴登高 Anti-collision protection fence for road and bridge
CN213772940U (en) * 2020-11-18 2021-07-23 广州快速交通建设有限公司 Anti-collision wall capable of dissipating energy
CN215629356U (en) * 2020-11-18 2022-01-25 广州快速交通建设有限公司 Anti-collision wall capable of dissipating energy in rotating mode
CN214882952U (en) * 2021-07-06 2021-11-26 天津龙昱祥建筑工程有限公司 Bridge anti-collision structure

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