CN209162706U - Tunnel portal foot type basis build-in type concrete guardrail - Google Patents
Tunnel portal foot type basis build-in type concrete guardrail Download PDFInfo
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- CN209162706U CN209162706U CN201821113629.7U CN201821113629U CN209162706U CN 209162706 U CN209162706 U CN 209162706U CN 201821113629 U CN201821113629 U CN 201821113629U CN 209162706 U CN209162706 U CN 209162706U
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Abstract
The utility model discloses tunnel portal foot type basis build-in type concrete guardrails, including straight wall protecting wall, height transition wall, basic embedded slot, sufficient type basis, guardrail transition section.The straight wall protecting wall is the concrete wall with certain altitude, and the face of hitting of meeting of the straight wall protecting wall is the plane vertical with road surface, the straight wall protecting wall is placed at tunnel face close to maintaining roadway, and described this one end of the straight wall protecting wall surface side Ying Zhuan edge and maintaining roadway vertical plane coincident, the straight wall protecting wall other end is connect with height transition wall, the other end of the height transition wall is connect with guardrail transition section, the other end of the guardrail transition section is standard paragraphs roadbed guardrail, the straight wall protecting wall, height transition wall, guardrail transition section, standard paragraphs roadbed guardrail smoothly connects, the straight wall protecting wall, height transition wall bottom is placed in basic embedded slot or connect with the sufficient type basis, the foot type basis is placed in basic embedded slot, the basis embedded slot is the slot that road surface or less has certain depth, The upper surface for the part that the foot type basis protrusion straight wall protecting wall, height transition wall meet the face of hitting is flushed with road surface, and the foot type basis and straight wall protecting wall or height transition wall are an entirety.The utility model has the following beneficial effects: guardrail can be prefabricated block structure, it is only necessary to after processing factory's production, transport to scene and be installed, construction is simple is easy for installation, saves the duration；The design on sufficient type basis has preferable resistance to capsizing；The occurrence of setting of guardrail effectively can be intercepted and be oriented to errant vehicle, and reduce vehicle roll, reduce vehicle frontal collision tunnel wall；Newly-built road and reorganization and expansion road can be applied, project cost can be saved while having compared with high safety protective capacities.
Description
Technical field
The utility model relates to highway barriers to protect field, in particular to tunnel portal foot type basis build-in type concrete protects
Column.
Background technique
The rapid development of China Transportation Industry, highway mileage rose year by year in recent years.It is especially high in highway construction
There are numerous tunnel roads in fast highway construction, and tunnel portal security protection is exactly the weak ring an of traffic safety protection
Section.Since existing tunnel inlet is there are unshielded structure, safeguard structure intensity is weaker, safeguard structure safeguard function missing, prevents
Protection structure and tunnel are unreasonable etc. without Transition Design or Transition Design, and tunnel entrance is unshielded or protective equipment intensity is weaker,
The direct collision for easily causing vehicle Yu tunnel section easily causes serious vehicle damage and casualties；Tunnel portal protection is set
Safeguard function shortcoming is applied, or protects Transition Design unreasonable, easily cause Vehicular impact protective equipment and inclination or resistance of stumbling, vehicle occurs
It is not easy smoothly to export.So reinforcing the research and development of tunnel entrance protective equipment, the reasonable setting of tunnel entrance guardrail very
Necessity is also of great significance.While the high guardrail facility of tunnel entrance setting security performance is very necessary, because of its position
The particularity set, construction technology are also particularly important joint, need to study suitable construct with tunnel portal and have both safety simultaneously
The guard bar structure of property.
It is therefore proposed that tunnel portal foot type basis build-in type concrete guardrail, by basic build-in fixing concrete wall,
It can be directly embedded into bridge floor in-situ layer and pave-load layer when applying on bridge, do not destroy a bridge plate.The same of guardrail is collided to lose control of one's vehicle
Hour wheel tire pressure makes structure have better antidumping effect on the basis of sufficient type, and guardrail wall setting can effectively reduce
Occur to roll the possibility for colliding tunnel wall when errant vehicle collides, there is good guide function easy construction simultaneously, can be tunnel
Road inlet provides good security protection.
Utility model content
The purpose of the utility model is to provide tunnel portal foot type basis build-in type concrete guardrails, will pass through following technology
Scheme realizes the utility model:
Tunnel portal foot type basis build-in type concrete guardrail, including straight wall protecting wall, height transition wall, basic build-in
Slot, sufficient type basis, guardrail transition section.The straight wall protecting wall is the concrete wall with certain altitude, and the straight wall is anti-
The face of hitting of meeting of revetment is the plane vertical with road surface, and the straight wall protecting wall is placed at tunnel face close to maintaining roadway, and institute
State this one end of the straight wall protecting wall surface side Ying Zhuan edge and maintaining roadway vertical plane coincident, the straight wall protecting wall other end and height
It spends and crosses wall connection, the other end of the height transition wall is connect with guardrail transition section, and the other end of the guardrail transition section is
Standard paragraphs roadbed guardrail, the straight wall protecting wall, height transition wall, guardrail transition section, standard paragraphs roadbed guardrail smoothly connect, institute
State straight wall protecting wall, height transition wall bottom is placed in basic embedded slot or is connect with the sufficient type basis, the foot type base
Plinth is placed in basic embedded slot, and the basis embedded slot is the slot that road surface or less has certain depth, and the foot type basis is convex
The upper surface for the part that straight wall protecting wall, height transition wall meet the face of hitting out is flushed with road surface, and the foot type basis and straight wall are protected
Wall or height transition wall are an entirety.
Further, the straight wall protecting wall, height transition wall using precasting process make and it is prefabricated by one to multiple piece
Block composition, the prefabricated section continuous arrangement are arranged between the prefabricated section or are not provided with longitudinally connected in basic embedded slot.
Further, the straight wall protecting wall, height transition wall use cast in place process one-piece casting for an entirety.
Further, the sufficient type basis is continuously arranged or is interrupted on straight wall protecting wall or height transition wall length direction
Setting.
Further, the height transition wall is highly gradient structure, and one end is identical as straight wall protecting wall height, the other end
It is identical as guardrail transition section height.
Further, the shape of the basic embedded slot and straight wall protecting wall, height transition wall, below the road surface of sufficient type basis
Part match.
Further, the straight wall protecting wall length direction is parallel or angled with tunnel face direction of traffic.
After adopting the above technical scheme, the utility model has the following beneficial effects:
(1) guardrail can be prefabricated block structure, it is only necessary to after processing factory's production, transports to scene and installed, construction is simple, and peace
Dress is convenient, saves the duration；
(2) design on sufficient type basis has preferable resistance to capsizing；
(3) setting of guardrail effectively can be intercepted and be oriented to errant vehicle, and reduce vehicle roll, reduce vehicle
The occurrence of central collision tunnel wall；
(4) newly-built road and reorganization and expansion road can be applied, it can while having compared with high safety protective capacities
Save project cost；
(5) using the plate that do not destroy a bridge on bridge.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the utility model embodiment 1；
Fig. 2 is the utility model embodiment 2；
Fig. 3 is the utility model embodiment 3；
Fig. 4 is the sectional schematic diagram of the not set sufficient type base position of straight wall protecting wall described in the utility model；
Fig. 5 is basic embedded slot schematic diagram described in the utility model；
Fig. 6 is the above structural schematic diagram in the utility model road surface；
Fig. 7 is sufficient type basis interruption setting schematic diagram described in the utility model；
Fig. 8 is the sufficient continuous setting schematic diagram in type basis described in the utility model；
Fig. 9 is the utility model embodiment 4；
Figure 10 is the utility model embodiment 5；
Figure 11 is the utility model embodiment 6.
In figure: 1, height transition wall；2, straight wall protecting wall；3, basic embedded slot；4, sufficient type basis；5, guardrail transition section；
6, longitudinally connected；7, standard paragraphs roadbed guardrail；8, maintaining roadway；9, Bridge guardrail.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art's all other embodiment obtained, belongs to
The range of the utility model protection.
Tunnel portal foot type basis build-in type concrete guardrail includes straight wall protecting wall 2, height transition wall 1, basic build-in
Slot 3, sufficient type basis 4, guardrail transition section 5, Fig. 6 illustrate the linking situation of the above structure in the utility model road surface.The straight wall
Protecting wall 2 is the concrete wall with certain altitude, recommends the height for using 1.3m or more, straight wall protection on a highway
The face of hitting of meeting of wall 2 is the plane vertical with road surface, is placed at tunnel face close to maintaining roadway 8, and straight as shown in Figure 7 and Figure 8
This one end of wall protecting wall 2 surface side Ying Zhuan edge and 8 vertical plane coincident of maintaining roadway.2 other end of straight wall protecting wall is spent with height
The connection of wall 1 is crossed, the other end of height transition wall 1 is connect with guardrail transition section 5, and 1 one end of height transition wall and straight wall protecting wall 2 are high
Spend identical, the other end is identical as 5 height of guardrail transition section.The other end of guardrail transition section 5 is standard paragraphs roadbed guardrail 7, described
Straight wall protecting wall 2, height transition wall 1, guardrail transition section 5, standard paragraphs roadbed guardrail 7 smoothly connect.
Sufficient type basis 4 is set in straight wall protecting wall 2,1 bottom of height transition wall, it is embedding that the foot type basis 4 is placed in basis
Gu in slot 3, basic embedded slot 3 is the slot that road surface or less has certain depth, and straight wall protecting wall 2,1 bottom of height transition wall are not set
The part for setting sufficient type basis 4 is equally placed in basic embedded slot 3, as shown in Figure 4.Sufficient type basis 4 meets that hit face protrusion straight wall anti-
Revetment 2, height transition wall 1 meet the face of hitting, and the upper surface of the part of protrusion flushes with road surface, and foot type basis 4 is anti-with straight wall
Revetment 2 or height transition wall 1 are an entirety.
Fig. 1 is the utility model embodiment 1, and arrow meaning is to meet the face of hitting, and sufficient type basis 4 is spent in straight wall protecting wall 2, height
The same face of hitting of meeting in part for crossing 1 back of wall is equally placed in basic embedded slot 3 and flushes with road surface；Fig. 2 is embodiment 2, sufficient type
Basis 4 is placed in basic embedded slot 3 in the part at straight wall protecting wall 2,1 back of height transition wall, while road surface is protruded on top；
Fig. 3 is embodiment 3, and sufficient type basis 4 is partially disposed on road surface at straight wall protecting wall 2, height transition wall 1 back.
Sufficient type basis 4 can be interrupted setting on 1 length direction of straight wall protecting wall 2 and height transition wall, as shown in Figure 7；?
Can continuously it be arranged, as shown in Figure 8.Basic embedded slot 3 is and below straight wall protecting wall 2, height transition wall 1, basic 4 road surfaces of sufficient type
Part match, be illustrated in figure 5 interruption setting the case where.
In addition to mode shown in embodiment 1, sufficient type basis 4 can also as shown in figure 4, be fully seated in basic embedded slot 3,
Do not expose road surface or more, or is placed directly on road surface as shown in Figure 3.It, can also be as shown in Figure 3 in order to further strengthen basis
Embodiment 2, be continuously arranged on 1 back length direction of straight wall protecting wall 2 and height transition wall.
Cast in place process can be used together with sufficient type basis 4 and pour as an entirety for straight wall protecting wall 2, height transition wall 1, this
Shi Ze does not need to be arranged longitudinally connected 6；Precasting process production can also be used, the prefabricated section continuous arrangement of production is in basic embedded slot
In 3, according to intensity requirement setting longitudinally connected 6 between prefabricated section, if intensity requirement be not it is especially high, 4 production of sufficient type basis
It is stronger, longitudinally connected 6 can also be not provided with.
According to Practical Project status, straight wall protecting wall 2 can be in length direction and tunnel face direction of traffic at one in setting
Determine angle, as shown in Fig. 7 and Fig. 7, if situation allows, parallel arrangement can also be used.
The utility model can be used for the tunnel entrance in bridge section, as shown in Fig. 8, Fig. 9, Figure 10.Fig. 8 foot type basis 4
Interruption setting；The 4 continuously setting of Fig. 9 foot type basis, and sufficient type basis 4 is located next to Bridge guardrail 9；Figure 10 foot type basis 4 is interruption
Setting, and sufficient type basis 4 is located next to Bridge guardrail 9.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. tunnel portal foot type basis build-in type concrete guardrail, including straight wall protecting wall (2), height transition wall (1), basis are embedding
Gu slot (3), sufficient type basic (4), guardrail transition section (5), it is characterised in that: the straight wall protecting wall (2) is with certain altitude
Concrete wall, and the straight wall protecting wall (2) meet the face of hitting be the plane vertical with road surface, the straight wall protecting wall (2)
It is placed at tunnel face close to maintaining roadway (8), and the straight wall protecting wall (2) this one end surface side Ying Zhuan edge and maintaining roadway
(8) vertical plane coincident, straight wall protecting wall (2) other end are connect with height transition wall (1), the height transition wall
(1) the other end is connect with guardrail transition section (5), and the other end of the guardrail transition section (5) is standard paragraphs roadbed guardrail (7),
The straight wall protecting wall (2), height transition wall (1), guardrail transition section (5), standard paragraphs roadbed guardrail (7) smoothly connect, described
Straight wall protecting wall (2), height transition wall (1) bottom are placed in basic embedded slot (3) or connect with the sufficient type basic (4),
The foot type basic (4) is placed in basic embedded slot (3), and the basis embedded slot (3) is that road surface or less has certain depth
Slot, the foot type basic (4) protrusion straight wall protecting wall (2), height transition wall (1) meet the upper surface and road surface of the part in the face of hitting
It flushes, the foot type basic (4) and straight wall protecting wall (2) or height transition wall (1) are an entirety.
2. tunnel portal foot type basis build-in type concrete guardrail according to claim 1, it is characterised in that: the straight wall is anti-
Revetment (2), height transition wall (1) are made of precasting process and are made of one to multiple block of prefabricated section, and the prefabricated section is continuous
It is arranged in basic embedded slot (3), is arranged between the prefabricated section or is not provided with longitudinally connected (6).
3. tunnel portal foot type basis build-in type concrete guardrail according to claim 1, it is characterised in that: the straight wall is anti-
Revetment (2), height transition wall (1) use cast in place process one-piece casting for an entirety.
4. tunnel portal foot type basis build-in type concrete guardrail according to claim 1, it is characterised in that: the foot type base
Plinth (4) is continuously arranged or is interrupted setting on straight wall protecting wall (2) or height transition wall (1) length direction.
5. tunnel portal foot type basis build-in type concrete guardrail according to claim 1, it is characterised in that: the height is spent
Crossing wall (1) is highly gradient structure, and one end is identical as straight wall protecting wall (2) height, the other end and guardrail transition section (5) height phase
Together.
6. tunnel portal foot type basis build-in type concrete guardrail according to claim 1, it is characterised in that: the basis is embedding
Gu the shape of slot (3) matches with straight wall protecting wall (2), height transition wall (1), sufficient basic (4) road surface of type part below.
7. tunnel portal foot type basis build-in type concrete guardrail according to claim 1, it is characterised in that: the straight wall is anti-
Revetment (2) length direction is parallel or angled with tunnel face direction of traffic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821113629.7U CN209162706U (en) | 2018-07-13 | 2018-07-13 | Tunnel portal foot type basis build-in type concrete guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821113629.7U CN209162706U (en) | 2018-07-13 | 2018-07-13 | Tunnel portal foot type basis build-in type concrete guardrail |
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| Publication Number | Publication Date |
|---|---|
| CN209162706U true CN209162706U (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821113629.7U Active CN209162706U (en) | 2018-07-13 | 2018-07-13 | Tunnel portal foot type basis build-in type concrete guardrail |
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| Country | Link |
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| CN (1) | CN209162706U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504599A (en) * | 2020-11-20 | 2021-03-16 | 陕西煤业化工技术研究院有限责任公司 | Friction energy-absorbing plate collision test wall and prefabricating and construction installation process thereof |
| CN112942629A (en) * | 2021-03-30 | 2021-06-11 | 陕西煤业化工技术研究院有限责任公司 | Collision test wall and prefabricated installation method thereof |
| CN113152339A (en) * | 2021-04-28 | 2021-07-23 | 北京华路安交通科技有限公司 | Concrete guardrail attached type fixed die pouring construction method |
-
2018
- 2018-07-13 CN CN201821113629.7U patent/CN209162706U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504599A (en) * | 2020-11-20 | 2021-03-16 | 陕西煤业化工技术研究院有限责任公司 | Friction energy-absorbing plate collision test wall and prefabricating and construction installation process thereof |
| CN112504599B (en) * | 2020-11-20 | 2023-09-22 | 陕西煤业化工技术研究院有限责任公司 | Friction energy absorption plate collision test wall and prefabrication and construction installation process thereof |
| CN112942629A (en) * | 2021-03-30 | 2021-06-11 | 陕西煤业化工技术研究院有限责任公司 | Collision test wall and prefabricated installation method thereof |
| CN113152339A (en) * | 2021-04-28 | 2021-07-23 | 北京华路安交通科技有限公司 | Concrete guardrail attached type fixed die pouring construction method |
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