CN109837835A - A kind of precast splice type anticollision barrier and its fence unit - Google Patents
A kind of precast splice type anticollision barrier and its fence unit Download PDFInfo
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- CN109837835A CN109837835A CN201910277698.4A CN201910277698A CN109837835A CN 109837835 A CN109837835 A CN 109837835A CN 201910277698 A CN201910277698 A CN 201910277698A CN 109837835 A CN109837835 A CN 109837835A
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- guardrail
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Abstract
The present invention relates to the bridge construction fields in construction project field, and in particular to a kind of precast splice type anticollision barrier and its fence unit.Precast splice type anticollision barrier includes the multiple guardrail segments being sequentially arranged along longitudinal direction, longitudinal perforation is reserved in adjacent at least two guardrail segments in anticollision barrier, longitudinal perforation includes being divided into each guardrail segment and corresponding to the perforation segmentation of perforation, at least one end in longitudinal perforation is formed by being pierced by the guardrail segment of place and is worn mouth, wear mouth be located at the top surface of guardrail segment or one of transverse side for extending longitudinally on, mouth is worn for penetrating and being fixed in longitudinal perforation for connector, to connect adjacent each guardrail segment.After guardrail segment is knocked, connector plays buffer function, can pull at least one guardrail segment in two sides, avoid falling, reinforce the connection between two neighboring guardrail segment.
Description
Technical field
The present invention relates to the bridge construction fields in construction project field, and in particular to a kind of precast splice type anticollision shield
Column and its fence unit.
Background technique
In the work progress of accessory structure of bridge, anticollision barrier mostly uses cast in place technique when bridge construction at this stage, real
There are long construction period during applying, the problems such as cast-in-place construction is of poor quality, and appearance luster is inhomogenous.For this purpose, in recent years using complete
The guardrail of precast assembly technology is gradually widely applied, such as the Chinese invention patent Shen that application publication number is CN102561179A
A kind of full prefabricated assembled crash barrier please be disclose, by several guardrail segments, successively assembly is connected and fixed and constitutes, still,
Guardrail segment is only connect with floorings, and adjacent two guardrail does not connect between segment, if after one of guardrail segment is knocked,
It is easy to fall, the integrated connection performance of anticollision barrier is weaker.
Summary of the invention
The purpose of the present invention is to provide a kind of precast splice type anticollision barriers, to solve in anticollision barrier in the prior art
The weaker technical problem of the switching performance of each guardrail segment；A kind of precast splice type anticollision barrier fence unit is also provided, with
Reinforce the switching performance between adjacent barrier segment.
To achieve the above object, the technical solution of precast splice type anticollision barrier of the present invention is: a kind of precast splice type is anti-
Guardrail is hit, it is pre- in adjacent at least two guardrail segments in anticollision barrier including the multiple guardrail segments being sequentially arranged along longitudinal direction
There are longitudinal perforation, longitudinal perforation includes being divided into each guardrail segment and corresponding to the perforation segmentation of perforation, in longitudinal perforation
At least one end is formed by being pierced by the guardrail segment of place and is worn mouth, wears mouth is located at the top surface of guardrail segment or extends longitudinally its
In on a transverse side, wear mouth for penetrating and being fixed in longitudinal perforation for connector, to connect adjacent each guardrail section
Section.
The beneficial effects of the present invention are: penetrating connector when in use, guardrail segment is knocked by the longitudinal perforation of setting
Afterwards, connector plays buffer function, can pull at least one guardrail segment in two sides, avoid falling, and reinforces two neighboring
Connection between guardrail segment moreover, at least one end longitudinally perforated is formed by being pierced by guardrail segment and worn mouth, and wears mouth position
In on top surface or in which a transverse side, after multiple guardrail segments are sequentially placed in place, wear that mouth is naked to be exposed on the external, for connection
Part penetrates, construction when, can first place guardrail segment, then install connector, realize laterally simultaneously operation, speed of application compared with
Fastly and it does not interfere with each other.
Further, the longitudinal direction is reserved at least two guardrail segments of arbitrary neighborhood in anticollision barrier to wear
Hole.
The effect of this programme is, is reserved with longitudinal perforation at least two guardrail segments of arbitrary neighborhood, is connecting
After part penetrates, the guardrail segment in addition to both ends can pull the guardrail segment of two sides simultaneously, further strengthen when being impacted
Connection between guardrail segment.
Further, each longitudinal perforation extends through at least three guardrail segments, defines the guardrail section between both ends
Section is medial fence segment, and the perforation segmentation in the medial fence segment includes longitudinal wearing through corresponding guardrail segment
Hole segmentation further includes the end for perforation corresponding with segmentation of perforating running through in adjacent barrier segment at least one end
Perforation segmentation, end perforation are segmented and through perforation section gap arrangements.
The effect of this programme is that medial fence segment includes through perforation segmentation, and connector runs through medial fence segment,
The intensity of medial fence segment itself is reinforced.
Further, each longitudinal direction perforates while running through three guardrail segments, and the both ends of medial fence segment are equipped with described
End perforation segmentation, in two medial fence segments of arbitrary neighborhood through perforation segmentation and end perforation segmentation successively between
It is opposite every arragement direction.
The effect of this programme is, longitudinal to perforate while running through three guardrail segments, two medial fences of arbitrary neighborhood
It is contrary with being successively intervally arranged for end perforation segmentation through perforation segmentation in segment, so that the intermediate shield of two of interval
Column bay structural is identical, is convenient for mass production.
Further, the both ends longitudinally perforated in corresponding guardrail segment by being pierced by, and longitudinal perforation is for pre-
The perforative prestressed strand perforation of stress steel beam.
The effect of this programme is that the both ends longitudinally perforated in guardrail segment by being pierced by, for prestressed strand both ends
It is pierced by, realizes the tensioning of prestressed strand, further strengthen the connection between guardrail segment.
Further, the mouth of wearing is located at when using towards on the transverse side on the inside of bridge.
The effect of this programme is, wears mouth and is arranged on the transverse side of inside, facilitates construction personnel is subsequent to install connection
Part.
Further, reinforcement structure is equipped between two guardrail segments of arbitrary neighborhood, reinforcement structure includes being located therein one
Protrusion on the longitudinal terminal surface of a guardrail segment further includes the groove on another guardrail segment longitudinal terminal surface, raised and recessed
Slot inserts cooperation along longitudinal direction.
The effect of this programme is, is cooperated by the inserting of protrusion and groove, further strengthens the company between guardrail segment
It connects, more convenient intersegmental docking of guardrail, improves docking accuracy.
The technical solution of precast splice type anticollision barrier fence unit of the present invention is: a kind of precast splice type anticollision barrier
With fence unit, including guardrail segment, longitudinal one end of guardrail segment is equipped with the end perforation segmentation longitudinally extended, end perforation
Segmentation forms longitudinal perforation for perforation corresponding with the perforation segmentation in adjacent barrier segment, and the one of the end perforation segmentation
End is formed by being pierced by guardrail segment and is worn mouth, is worn mouth and is located at the top surface of guardrail segment or extends longitudinally one of lateral
On side, mouth is worn for penetrating and being fixed in longitudinal perforation for connector, to connect adjacent each guardrail segment.
It is segmented and matches with the perforation segmentation in adjacent barrier segment the beneficial effects of the present invention are: being perforated by setting end
It closes and forms longitudinal perforation, penetrate connector when in use, after guardrail segment is knocked, connector plays buffer function, can pull
Firmly at least one guardrail segment in two sides, avoids falling, and reinforces the connection between two neighboring guardrail segment, moreover, longitudinal
At least one end of perforation is formed by being pierced by guardrail segment and is worn mouth, and is worn mouth and be located on top surface or in which a transverse side,
It after multiple guardrail segments are sequentially placed in place, wears that mouth is naked to be exposed on the external, is penetrated for connector, in construction, can first be placed
Guardrail segment, then connector is installed, laterally operation simultaneously is realized, speed of application is very fast and does not interfere with each other.
Further, longitudinal being segmented through perforation through corresponding guardrail segment is additionally provided on guardrail segment, through perforation
Segmentation is for perforation corresponding with the perforation segmentation in adjacent barrier segment, to connect the guardrail segment of adjacent two sides.
The effect of this programme is that medial fence segment includes through perforation segmentation, and connector runs through medial fence segment,
The intensity of medial fence segment itself is reinforced.
Further, the mouth of wearing is located at when using towards on the transverse side on the inside of bridge.
The effect of this programme is, wears mouth and is arranged on the transverse side of inside, facilitates construction personnel is subsequent to install connection
Part.
Detailed description of the invention
Fig. 1 is the assembling usage state diagram of precast splice type anticollision barrier embodiment of the present invention；
Fig. 2 is the perspective view of the first guardrail segment in Fig. 1；
Fig. 3 is the main view of the first guardrail segment in Fig. 1；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the left view of Fig. 3；
Fig. 6 is the schematic diagram of H profile steel in Fig. 1；
Description of symbols: the perforation segmentation of the second guardrail of 1- segment first；2- preformed hole；The perforation point of the second guardrail of 3- segment second
Section；The second guardrail of 4- segment；5- mud jacking hole；The first guardrail of 6- segment；7- slurry outlet；The perforation point of the first guardrail of 8- segment second
Section；9- built-in fitting；The perforation segmentation of 10- the first guardrail segment third；The perforation segmentation of the first guardrail of 11- segment first；12- second is protected
The perforation segmentation of column segment third；13- floorings；14- adhesive mortar；15- shear connector；16- dripping eaves；17- wears mouth；18- shearing
Slot；The upper H profile steel of 91-；H profile steel under 92-；93- WELDING STUDS.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of precast splice type anticollision barrier of the invention, as shown in Figures 1 to 6, anticollision barrier is using
When be mounted on floorings 13.Anticollision barrier is completed in factory by the way of prefabricated, only needs to be fixed at the scene.
It is specific as follows:
Anticollision barrier includes multiple guardrail segments successively to connect, and as shown in Figure 1, shown in Figure 5, the bottom of guardrail segment offers reserved
Hole 2,2 lower ending opening of preformed hole, open up on each guardrail segment there are three, the top of preformed hole 2 passes through slurry outlet 7 and outer
Portion is connected, and lower part is communicated with the outside by mud jacking hole 5.Slurry outlet 7 and mud jacking hole 5 all extend to the side lateral out of guardrail segment
On.
As shown in Figure 1, corresponding to each guardrail segment on floorings 13 has built-in fitting 9, the structure of built-in fitting 9 is such as
Shown in Fig. 6, built-in fitting 9 includes in the upper H profile steel 91 and lower H profile steel 92 of angle-style distribution, and upper H profile steel 91 and lower H profile steel 92 are fixed
Together, it is respectively and fixedly provided with WELDING STUDS 93 in upper H profile steel 91 and lower H profile steel 92, WELDING STUDS 93 is embedded in floorings 13 with H profile steel in advance
In, reinforce connection.Normally, the outer diameter of upper H profile steel 91 is less than the internal diameter of preformed hole 2.When construction, guardrail is transferred
Segment makes the preformed hole 2 in guardrail segment be placed on the outside of H profile steel 91, is then pressed into cement bonded sand out of bottom end mud jacking hole 5
Slurry, it is that mud jacking terminates that cement mortar is squeezed out from the slurry outlet 7 on top, and built-in fitting 9 and guardrail segment are linked together.When
So, it before transferring guardrail segment, needs to complete adhesive mortar 14 in advance on floorings 13, for connecting guardrail segment.
As shown in Fig. 2, Fig. 3 and Fig. 5, the outermost side bottom in guardrail segment is equipped with dripping eaves 16, prevents the rainwater of guardrail segment
It flows on bridge cantilever plate, influences structural durability.
In the present embodiment, in order to guarantee the bonding strength between two adjacent guardrail segments, in two adjacent guardrails
Shear connector 15 and shearing slot 18 are set on segment, specifically, as shown in Fig. 2, being provided in wherein one end of the first guardrail segment 6
Shear connector 15, for being mutually twisted with the shearing slot 18 of adjacent barrier segment, the other end be provided with shearing slot 18, be used to it is adjacent
Shear connector 15 be engaged, be mutually twisted by shear connector 15 and shearing slot 18, can reinforce the connection of two guardrail segments
Intensity.Certainly, in other embodiments, shearing slot or shearing can be all set to the both ends of a guardrail segment wherein
Key.
In order to further strengthen the intensity of two neighboring guardrail segment, longitudinal perforate and using company is reserved in anticollision barrier
Fitting carries out reinforcement connection, specific as follows:
The intermediate shield that the direction of multiple guardrail segments successively arranged is defined first to be longitudinal, in the present embodiment between both ends
There are two types of column segments, respectively the first guardrail segment 6 and the second guardrail segment 4, and is located at the guardrail segment at both ends for end shield
Column segment.
Interception is located in the middle three guardrail segments and is illustrated in the present embodiment.As shown in Figure 1, three guardrail segments point
The first guardrail segment 6 and two the second guardrail segments 4 positioned at 6 two sides of the first guardrail segment Wei be located in the middle.
As shown in Figures 1 to 5, the first guardrail segment second perforation segmentation 8, the first shield are reserved in the first guardrail segment 6
The perforation segmentation of column segment second 8 runs through the first guardrail segment 6 along longitudinal direction, the lower section of perforation segmentation 8 in the first guardrail segment second
It is reserved with the perforation segmentation 11 of the first guardrail segment first and the first guardrail segment third perforation segmentation 10, wherein the first guardrail section
The first perforation of section segmentation 11 is provided with longitudinal wherein one end of the first guardrail segment 6, the perforation point of the first guardrail segment third
Section 10 is provided with the longitudinal other end of the first guardrail segment 6.The perforation segmentation 11 of first guardrail segment first and the first guardrail
Curved arrangement is equalled in end in opposite one end of segment third perforation segmentation 10, in the laterally inboard face by the first guardrail segment 6
It is pierced by, forms two on the laterally inboard face of the first guardrail segment 6 and wear mouth 17.
As shown in Figure 1, being reserved with the second guardrail segment second perforation segmentation 3, the second guardrail segment in the second guardrail segment 4
Second perforation segmentation 3 runs through the second guardrail segment 4 along longitudinal direction, and in the second guardrail segment second, the top of perforation segmentation 3 is reserved with
The perforation segmentation 1 of second guardrail segment first and the second guardrail segment third perforation segmentation 12, wherein wear the second guardrail segment first
Hole segmentation 1 is provided with longitudinal wherein one end of the second guardrail segment 4, and the second guardrail segment third perforation segmentation 12 is provided with
The longitudinal other end of second guardrail segment 4.The perforation segmentation 1 of second guardrail segment first and the perforation of the second guardrail segment third
Curved arrangement is equalled in end in opposite one end of segmentation 12, is pierced by the laterally inboard face by the second guardrail segment 4, in the second shield
Two, which are formed, on the laterally inboard face of column segment 4 wears mouth 17.
First guardrail segment 6 and the second guardrail segment 4 to wear 17 structure of mouth identical, as seen from Figure 2, wear mouth 17 be by
The structure for gradually tilting extension, wearing mouth 17 has what is be transversely to the machine direction to wear a mouthful opening's edge.
As shown in Figure 1, after the first guardrail segment 6 and two the second guardrail segments 4 are successively arranged together, the first guardrail
One end perforation corresponding with the perforation segmentation 12 of the second guardrail segment third of wherein side of the perforation segmentation of segment second 8, the other end
Perforation corresponding with the perforation segmentation 1 of the second guardrail segment first of the other side is collectively formed prestressed strand and perforates, and the first guardrail
The perforation segmentation of segment first 11 is corresponded to the second guardrail segment second of corresponding side perforation segmentation 3 and is penetrated through, the second guardrail segment
The other side of second perforation segmentation 3 carries out corresponding perforation with the segmentation on another first guardrail segment.And so on, so that
Three guardrail segments of arbitrary neighborhood share the same prestressed strand perforation.
When assembling, by one end of prestressed strand, by prestressed strand is perforated, one of them is worn in mouth 17 and penetrates, and answers in advance
The end of power steel beam sequentially passes through three guardrail segments, is then worn in mouth 17 and is pierced by by another, carries out two to prestressed strand
Tensioning is held, is in the milk and blocks in prestressed strand is perforated and wear mouth 17, so that prestressed strand and three guardrail segments are fixed
Connection.Prestressed strand is used to improve the switching performance between three guardrail segments, after one of guardrail segment is knocked,
Prestressed strand can play buffer function, pull the adjacent guardrail segment in two sides, can effectively prevent being hit guardrail segment and
It falls.Moreover, prestressed strand in a present embodiment guardrail segment therethrough, can reinforce the guardrail segment.
In the present embodiment, either the first guardrail segment 6 or the second guardrail segment 4 belong to medial fence segment, the
The perforation segmentation 3 of two guardrail segments second and the first guardrail segment second perforation segmentation 8 are running through through corresponding guardrail segment
Perforation segmentation, the second guardrail segment first the 12, first guardrail segment of perforation segmentation the 1, second guardrail segment third perforation segmentation the
One perforation segmentation the 11, first guardrail segment third perforation segmentation 10 is end perforation segmentation.End perforation is segmented and wears
Hole section gap arrangement, moreover, in two adjacent medial fence segments successively through perforation segmentation and end perforation segmentation
It is intervally arranged contrary.For example, in the present embodiment, in the first guardrail segment 6 through perforation segmentation and end perforation segmentation by
It is upper to arrange downwards, it is segmented and arranges from bottom to top through perforation segmentation and end perforation in the second guardrail segment 4.
In other embodiments, wearing mouth can be located on the side lateral out of guardrail segment, be located at guardrail segment when wearing mouth
It is constant through perforation segmentation and the direction that is intervally arranged of end perforation segmentation when lateral out on side.In other embodiments, mouth is worn
Can be located on the top surface of guardrail segment, when wearing mouth and being located at top surface, through perforation segmentation and end perforation be segmented transversely according to
Minor tick arrangement.It is, of course, preferable to which ground, wears mouth and is located on laterally inboard face, convenient for the tension operation of prestressed strand.
In the present embodiment, prestressed strand is perforated along longitudinal direction in three guardrail segments, other embodiments, prestress steel
Beam perforation can be along longitudinal direction across four or even more guardrail segments.It is of course also possible to only across two, when only across two
Only there is end perforation segmentation when guardrail segment, on guardrail segment.
In the various embodiments described above, prestressed strand perforation along longitudinal direction across at least two guardrail segments of arbitrary neighborhood,
If definition shares each guardrail segment that the same prestressed strand is perforated for a guardrail segment group, between the group of each guardrail segment
With overlapped guardrail segment.In other embodiments, between two guardrail segment groups can with unfolded guardrail segment, than
Such as, anticollision barrier includes the first, second, third, fourth guardrail segment successively arranged, and the first, second guardrail segment shares one
The perforation of a prestressed strand, third, the 4th guardrail segment share a prestressed strand perforation, second, third guardrail segment it
Between without connection.
In the present embodiment, prestressed strand is fixed in prestressed strand perforation by way of grouting, other embodiments
In, prestressed strand can using Chuan Kouchu be arranged anchor slab by the way of carry out pre- stretch-draw anchor.
In the various embodiments described above, prestressed strand perforation forms the longitudinal perforation installed for prestressed strand, prestressing force
Steel beam forms connector.In other embodiments, connector can be the structures such as common reinforcing bar or connecting rod, at this point, longitudinal
Can only have one end in perforation both ends equipped with mouth, the other end is worn is enclosed construction, and connector is no longer worn after penetrating in longitudinal perforation
Out.
The structure of medial fence segment is described above, and the structure of end rails segment can be with medial fence segment phase
Together, end perforation segmentation can also be only set.
In the present invention, reserved longitudinal perforation again it is subsequent install connector by way of to guardrail each in anticollision barrier segment
Connection reinforced, connector can be installed again after the completion of each guardrail segment is all placed.
In the present embodiment, shear connector constitutes protrusion, and shearing slot constitutes groove, and reinforcement structure is collectively formed in protrusion and groove.
In the present embodiment, laterally inboard face and lateral out side constitute the transverse side extended longitudinally, are using
Transverse side on the inside of Shi Chaoxiang bridge is laterally inboard face, another is side lateral out.
The specific embodiment of precast splice type anticollision barrier fence unit of the present invention, fence unit include guardrail segment,
Guardrail segment is equipped with end perforation segmentation and wears mouth, and end perforation segmentation is used to and the perforation segmentation pair in adjacent barrier segment
Should penetrate through, perforation in adjacent barrier segment segmentation has both included end perforation segmentation, also include through perforation segmentation, structure with
Consistent in above-described embodiment, details are not described herein.
Claims (10)
1. a kind of precast splice type anticollision barrier, including the multiple guardrail segments being sequentially arranged along longitudinal direction, it is characterised in that: anticollision
Longitudinal perforation is reserved in guardrail in adjacent at least two guardrail segments, longitudinal perforation includes being divided into each guardrail segment simultaneously
The perforation of corresponding perforation is segmented, and at least one end in longitudinal perforation is formed by being pierced by the guardrail segment of place and worn mouth, wears mouth position
In on the top surface of guardrail segment or one of transverse side for extending longitudinally, wearing mouth for penetrating and being fixed on for connector
In longitudinal perforation, to connect adjacent each guardrail segment.
2. precast splice type anticollision barrier according to claim 1, it is characterised in that: in arbitrary neighborhood in anticollision barrier
Longitudinal perforation is reserved at least two guardrail segments.
3. precast splice type anticollision barrier according to claim 2, it is characterised in that: each longitudinal perforation extends through at least
Three guardrail segments, defining the guardrail segment between both ends is medial fence segment, wearing in the medial fence segment
Hole segmentation include it is longitudinal through corresponding guardrail segment through perforation segmentation, further include at least one end for it is adjacent
Perforating in guardrail segment through the end for being segmented and corresponding to and penetrating through of perforating is segmented, and end, which is perforated, to be segmented and through section gap of perforating
Arrangement.
4. precast splice type anticollision barrier according to claim 3, it is characterised in that: perforate while running through three in each longitudinal direction
Guardrail segment, the both ends of medial fence segment are equipped with the end perforation segmentation, two medial fence segments of arbitrary neighborhood
In through perforation segmentation with end perforation be segmented be successively intervally arranged it is contrary.
5. precast splice type anticollision barrier described in any one of -4 according to claim 1, it is characterised in that: wear the longitudinal direction
By being pierced by corresponding guardrail segment, longitudinal perforation is to wear for the perforative prestressed strand of prestressed strand at the both ends in hole
Hole.
6. precast splice type anticollision barrier described in any one of -4 according to claim 1, it is characterised in that: described to wear mouth position
Towards on the transverse side on the inside of bridge when using.
7. precast splice type anticollision barrier described in any one of -4 according to claim 1, it is characterised in that: arbitrary neighborhood
Reinforcement structure is equipped between two guardrail segments, reinforcement structure includes the protrusion being located therein on a guardrail segment longitudinal terminal surface,
It further include the groove on another guardrail segment longitudinal terminal surface, protrusion and groove insert cooperation along longitudinal direction.
8. a kind of precast splice type anticollision barrier fence unit, it is characterised in that: including guardrail segment, the longitudinal direction of guardrail segment
One end is equipped with the end perforation segmentation longitudinally extended, and end perforation segmentation is for corresponding with the perforation segmentation in adjacent barrier segment
It penetrates through and forms longitudinal perforation, one end that the end perforation is segmented is formed by being pierced by guardrail segment and worn mouth, is worn mouth and is located at
On the top surface of guardrail segment or the one of transverse side extended longitudinally, mouth is worn for penetrating and being fixed on vertical for connector
Into perforation, to connect adjacent each guardrail segment.
9. precast splice type anticollision barrier fence unit according to claim 8, it is characterised in that: on guardrail segment also
Equipped with it is longitudinal through corresponding guardrail segment through perforation segmentation, through perforation segmentation for the perforation in adjacent barrier segment
The corresponding perforation of segmentation, to connect the guardrail segment of adjacent two sides.
10. precast splice type anticollision barrier fence unit according to claim 8 or claim 9, it is characterised in that: described to wear mouth
Positioned at when using towards on the transverse side on the inside of bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910277698.4A CN109837835A (en) | 2019-04-08 | 2019-04-08 | A kind of precast splice type anticollision barrier and its fence unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910277698.4A CN109837835A (en) | 2019-04-08 | 2019-04-08 | A kind of precast splice type anticollision barrier and its fence unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109837835A true CN109837835A (en) | 2019-06-04 |
Family
ID=66886925
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910277698.4A Pending CN109837835A (en) | 2019-04-08 | 2019-04-08 | A kind of precast splice type anticollision barrier and its fence unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370020A (en) * | 2022-01-25 | 2022-04-19 | 湘潭大学 | Self-resetting anti-collision guardrail and installation method thereof |
-
2019
- 2019-04-08 CN CN201910277698.4A patent/CN109837835A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370020A (en) * | 2022-01-25 | 2022-04-19 | 湘潭大学 | Self-resetting anti-collision guardrail and installation method thereof |
| CN114370020B (en) * | 2022-01-25 | 2024-03-08 | 湘潭大学 | Self-resetting crash barrier and installation method thereof |
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