CN108301306B - Half-way half-bridge structure - Google Patents
Half-way half-bridge structure Download PDFInfo
- Publication number
- CN108301306B CN108301306B CN201810283046.7A CN201810283046A CN108301306B CN 108301306 B CN108301306 B CN 108301306B CN 201810283046 A CN201810283046 A CN 201810283046A CN 108301306 B CN108301306 B CN 108301306B
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- Prior art keywords
- bridge
- layer
- strap
- bracket
- expansion joint
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- 239000006260 foam Substances 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 5
- 239000004567 concrete Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 claims 2
- 230000006378 damage Effects 0.000 abstract description 11
- 230000009191 jumping Effects 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 241001669679 Eleotris Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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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
- E01D1/00—Bridges in general
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
-
- 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
-
- 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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses a half-road half-bridge structure which comprises a bridge, a roadbed backfill layer and a lapping plate, wherein the roadbed backfill layer is arranged below the lapping plate, the lapping plate is arranged side by side with the bridge, an expansion joint is arranged between the lapping plate and the bridge, a bridge deck pavement layer is arranged on the bridge, a pavement layer is arranged on the lapping plate, a mounting groove is formed by matching the bridge deck pavement layer and the pavement layer at intervals, the expansion joint is positioned under the mounting groove, a bracket is arranged on one side of the bridge, the lapping plate is provided with a lapping plate connecting end and a lapping plate main body section along the width direction of the roadbed backfill layer, the lapping plate connecting end is placed on the bracket and connected with the bracket, and the lapping plate main body section is supported on the roadbed backfill layer. The invention can effectively avoid the phenomenon of dislocation of the expansion joint between the half road and the half bridge, so that the running is smooth and comfortable, the phenomenon of jumping is reduced, the damage to the automobile and the damage to the expansion joint are reduced, and the repairing times are reduced.
Description
Technical Field
The invention relates to the technical field of highway engineering, in particular to a half-way half-bridge structure.
Background
Along with the development of highway construction in China, the quality of use and the quality of service of a highway are evaluated, and indexes such as rapidness, safety, comfort and the like are provided, so that whether the highway is comfortable or not and whether the highway is smooth or not is an important evaluation standard. In mountain roads, as the landscape slope is steeper, the road is too high to construct retaining walls or cannot be backfilled on the slope, and the ground on the upper side of the backup is smaller than the elevation of the road surface, the situation is often designed into a half-way and half-bridge structure, the bridge is constructed on the lower side of the backup, and the road bed is constructed on the upper side of the backup by using the shoulder retaining walls. In the prior half-bridge design, longitudinal joints between bridges and road shoulder retaining walls are generally treated as conventional expansion joints, and the expansion joints mainly solve the expansion problem caused by temperature. Because the bridge structure's overall rigidity is big, compares the embankment that links up with it and belongs to flexible structure thing, and the two rigidity is different, and subsidence is also different after the road operation, and bridge subsidence is little, and the road bed subsides greatly, and the phenomenon of staggering can appear in the expansion joint between half way and the half bridge, leads to driving irregularity, and is uncomfortable, very easily damage car and destruction expansion joint, influences the traffic, causes the engineering to repair many times.
Disclosure of Invention
The invention aims to provide a half-way half-bridge structure which can effectively avoid the phenomenon of staggering an expansion joint between a half-way and a half-bridge, so that the running is smooth and comfortable, the phenomenon of jumping is reduced, the damage to an automobile and the damage to the expansion joint are reduced, and the repairing times are reduced.
The technical problems are solved by the following technical scheme:
the utility model provides a half-way half-bridge structure, includes bridge, road bed backfill layer and strap, the road bed backfill layer is located the below of strap, the strap with the bridge arranges side by side just the strap with be equipped with the expansion joint between the bridge, be equipped with bridge deck pavement layer on the bridge, be equipped with road pavement layer on the strap, bridge deck pavement layer with the interval sets up the cooperation between the road pavement layer and forms the mounting groove, the width of mounting groove is greater than the width of expansion joint, the expansion joint is located under the mounting groove, one side of bridge is equipped with the bracket, the strap is followed the width direction of road bed backfill layer is equipped with strap link and strap main part, the strap link put in on the bracket and with the bracket is connected, the strap main part support in on the road bed backfill layer.
The half-bridge structure is characterized in that the access board is arranged on one side of the expansion joint, the rigidity of the access board is high, the access board is not easy to settle, the access board is connected with a bridge, and the access board deforms along with the bridge, so that the expansion joint is guaranteed not to have a settlement difference, the phenomenon of staggering is avoided, the driving is smooth and comfortable, the jumping phenomenon is reduced, the damage to the automobile and the damage to the expansion joint are reduced, and the repairing times are reduced.
The technical scheme is further described below:
in one embodiment, the top surface of the access panel body section is inclined, the bottom surface of the access panel body section is horizontal, the thickness of the access panel body section is gradually thinned along a direction away from the access panel connection end, and a pavement base layer is arranged between the access panel body section and the pavement layer. The top surface of the access board is subjected to inclination treatment, so that the pavement base layer is arranged on the access board in a gradually thickened trend, the settlement of the pavement base layer can be smoothly transited, and the phenomenon that the pavement base layer with larger rigidity and the pavement base layer with smaller rigidity are broken in the right-left close vicinity is prevented.
In one embodiment, a felt is disposed between the strap connection end and the bracket. The felt is favorable for adapting to the tiny rotation of the access board along with the settlement of the roadbed, and plays an effective buffering role when a vehicle runs through the felt.
In one embodiment, a shoulder retaining wall is arranged on one side of the roadbed backfill layer, a roadbed cushion layer is arranged above the roadbed backfill layer, the shoulder retaining wall protrudes upwards to be higher than the roadbed cushion layer, the strap connecting end spans across the shoulder retaining wall and then is connected with the bracket, the strap connecting end and the shoulder retaining wall are arranged at intervals, the strap main body section is supported on the roadbed cushion layer, and the bottom surface of the strap connecting end and the bottom surface of the strap main body section are arranged to be of a step structure. The bottom of the access board adopts a variable cross section form to form a step structure, so that the access board is not contacted with the road shoulder retaining wall, the access board can be damaged when the road shoulder retaining wall is propped against the access board when the access board is prevented from slightly rotating, a space is provided for the rotation of the access board, and meanwhile, the access board and the road shoulder retaining wall are spaced to be favorable for the integral stress of the roadbed.
In one embodiment, the side surfaces of the main body section of the access board and the side surfaces of the shoulder retaining wall are arranged at intervals, so that space is provided for the access board to rotate, and the access board is prevented from rotating to touch the side surfaces of the shoulder retaining wall.
In one embodiment, the shoulder retaining wall and the bracket are arranged at intervals, so that the bridge and the roadbed are guaranteed to be stressed separately.
In one embodiment, the roadbed cushion layer comprises a concrete cushion layer, a cement stabilized gravel layer and a rubble cushion layer which are sequentially arranged from top to bottom, the rubble cushion layer is paved on the roadbed backfill layer, and the cushion layer is arranged below the access board, so that the roadbed backfill layer bears less live load, and no void area is formed below the access board.
In one embodiment, the device further comprises a cover plate, fixing nails, a foam plate and a telescopic body, wherein the cover plate is located in the mounting groove and covered on the telescopic joint, the foam plate is stuffed in the telescopic joint, the fixing nails penetrate through the cover plate to enter the telescopic joint and insert the foam plate, and the telescopic body is fully filled in the mounting groove. The cover plate plays roles of crossing the seam and supporting the upper telescopic body. In order to ensure that the seam roof cover plate does not deviate from the seam, the fixing nails can be inserted into the foam plates of the expansion joints for positioning. The telescopic body is directly paved on the joint top, forms a continuous body with the bridge deck pavement layer and the pavement layer, forms a seamless expansion joint structure, has the advantages of stable and comfortable driving, no noise, small vibration, convenient maintenance, cleaning, snow removal and the like.
In one embodiment, the bridge deck pavement layer, the pavement layer and the telescopic body are bonded through an adhesive, so that firm connection among all components is ensured, and interface strength is ensured.
In one embodiment, the bracket and the strap are connected by an anchor bar, so that the strap and the bracket are firmly connected, and the strap can rotate relatively.
Drawings
FIG. 1 is a schematic diagram of a half-bridge structure according to an embodiment of the present invention;
fig. 2 is an enlarged view at a in fig. 1.
Reference numerals illustrate:
100. bridge, 110, bracket, 120, anchor reinforcing steel, 130, felt, 200, access board, 210, access board connecting end, 220, access board main body section, 310, bridge deck pavement layer, 320, pavement layer, 330, mounting groove, 400, roadbed backfill layer, 500, shoulder retaining wall, 600, roadbed cushion layer, 610, concrete cushion layer, 620, cement stabilized gravel layer, 630, rubble cushion layer, 700, sleeper beam, 800, pavement base layer, 910, cover plate, 920, fixing nails, 930, foam boards, 940, telescopic body, 950 and expansion joint.
Detailed Description
The present invention will be further described in detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "fixed" to another element, it can be directly fixed to the other element or be fixed to the other element through intervening elements. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. Furthermore, unless specifically stated otherwise, the terms "first" and "second" and the like in the specification are used merely for distinguishing between various components, elements, steps, etc. in the specification and not for indicating a logical or sequential relationship between various components, elements, steps, etc.
As shown in fig. 1, the half-bridge structure according to an embodiment of the present invention includes a bridge 100, a roadbed backfill layer 400, and a bridge deck 200, wherein the bridge deck 200 is made of reinforced concrete. Below the access board 200 is the roadbed backfill layer 400. The butt strap 200 is arranged side by side with the bridge 100, and an expansion joint 950 (as shown in fig. 2) is arranged between the butt strap 200 and the bridge 100. The bridge 100 is provided with a bridge deck pavement layer 310, and the butt strap 200 is provided with a pavement layer 320. The bridge deck pavement layer 310 and the pavement layer 320 are arranged at intervals to form a mounting groove 330. The width of the mounting groove 330 is greater than the width of the expansion joint 950, and the expansion joint 950 is located right below the mounting groove 330. The bridge 100 is provided with a bracket 110 at one side, the access board 200 is provided with an access board connection end 210 and an access board main body section 220 along the width direction of the roadbed backfill layer 400, the access board connection end 210 is placed on the bracket 110 and is connected with the bracket 110, and the access board main body section 220 is supported (can be directly supported or indirectly supported) on the roadbed backfill layer 400. Specifically, the bracket 110 may be poured with the bridge 100 at one time, or the connection bars may be pre-buried when the bridge 100 is poured, and the bracket 110 may be poured at a later stage. In this embodiment, the anchor bars 120 are embedded in the bracket 110 and are used for connecting with the butt strap 200, so that the butt strap 200 is firmly connected with the bracket 110, and the butt strap 200 can rotate relatively. It should be noted that, in other embodiments, other movable connection manners may be adopted between the strap 200 and the bracket 110 according to actual needs. The width of the access panel 200 is determined according to the thickness of the roadbed backfill layer 400, and when the thickness of the roadbed backfill layer 400 is thicker, the width of the access panel 200 is larger.
The half-bridge structure is characterized in that the access board 200 is arranged on one side of the expansion joint 950, so that the rigidity of the access board 200 is high, the access board 200 is not prone to sedimentation, the access board 200 is connected with the bridge 100, and the access board 200 deforms along with the bridge 100, so that the expansion joint 950 is guaranteed not to have sedimentation difference, the phenomenon of staggering is avoided, driving is smooth and comfortable, the phenomenon of jumping is reduced, damage to an automobile and damage to the expansion joint 950 are reduced, and repairing times are reduced.
In this embodiment, referring to fig. 1, a felt 130 is disposed between the strap connection end 210 and the bracket 110. The felt 130 is advantageous to accommodate the small rotation of the butt strap 200 with the subgrade settlement, and to provide an effective cushioning effect when a vehicle is traveling therethrough.
With continued reference to fig. 1, a shoulder wall 500 is disposed on one side of the roadbed backfill layer 400, and a roadbed cushion layer 600 is disposed above the roadbed backfill layer 400. The shoulder wall 500 protrudes upward above the bedding 600. The strap connection end 210 spans the shoulder retaining wall 500 and then is connected to the bracket 110, and the strap connection end 210 and the shoulder retaining wall 500 are disposed at intervals (such as 10cm intervals or corresponding intervals according to actual needs), and the strap main body section 220 is supported by the subgrade cushion layer 600. The bottom surface of the access panel connection end 210 and the bottom surface of the access panel body section 220 are arranged in a stepped structure. The bottom of the access board 200 adopts a variable cross-section form to form a step structure, so that the access board 200 is not contacted with the shoulder retaining wall 500, and when the access board 200 is prevented from slightly rotating, the shoulder retaining wall 500 is propped against the access board 200 to damage the access board 200, so that a space is provided for the rotation of the access board 200, and meanwhile, the interval between the access board 200 and the shoulder retaining wall 500 is favorable for the integral stress of a roadbed.
Specifically, as shown in fig. 1, the subgrade mat 600 includes a concrete mat 610 (e.g., a C20 concrete mat 610), a cement stabilized crushed stone layer 620 and a rubble mat 630 sequentially disposed from top to bottom, and the rubble mat 630 is paved on the subgrade backfill layer 400. The cushion layer 600 is arranged below the access board 200, so that the roadbed backfill layer 400 bears less live load, and no void area is formed below the access board 200. It should be noted that, in other embodiments, the cushion layer 600 may be omitted, so that the access board 200 is directly supported on the roadbed backfill layer 400. Wherein an end of the access panel body section 220 remote from the access panel connection end 210 is supported to the cement stabilized rock layer 620 by a sleeper beam 700.
Further, the side surfaces of the main body 220 and the side surfaces of the shoulder retaining wall 500 are spaced (e.g. spaced by 10cm or corresponding spacing according to actual needs), so as to provide space for the rotation of the access board 200, and prevent the access board 200 from touching the side surfaces of the shoulder retaining wall 500. In addition, the shoulder retaining wall 500 and the bracket 110 are spaced (e.g. spaced by 10cm or corresponding spaced according to actual needs), which is beneficial to ensuring that the bridge 100 and the roadbed are stressed separately.
In this embodiment, as shown in fig. 1. The top surface of the access panel body section 220 is inclined and the bottom surface of the access panel body section 220 is horizontal. The thickness of the strap body section 220 tapers in a direction away from the strap connection end 210. A pavement base layer 800 is disposed between the deck body section 220 and the pavement layer 320. The butt strap 200 is subjected to thickness reduction treatment, so that the pavement base layer 800 is arranged on the butt strap 200 in a gradually thickening trend, the settlement of the pavement base layer 800 can be ensured to be in smooth transition, and the phenomenon of fracture between the butt strap 200 with higher rigidity and the pavement base layer 800 with lower rigidity is prevented from occurring in the right-left immediate vicinity.
In addition, as shown in fig. 2, the half-bridge structure further includes a cover plate 910 (e.g., a steel cover plate), a fixing nail 920 (e.g., a steel nail), and a foam plate 930 and a telescopic body 940. The cover plate 910 is located in the mounting groove 330 and covers the expansion joint 950. The foam board 930 is packed in the expansion joint 950. The staples 920 pass through the cover plate 910 into the expansion joints 950 and are inserted into the foam deck 930. The telescopic body 940 fills the installation groove 330. The telescopic body 940 is a TST (modified asphalt) elastomer and mainly consists of RS (blend of resorcinol and stearic acid) rubber and stone. Wherein the cover plate 910 functions to span the seam and support the upper telescoping body 940. To ensure that the roof deck 910 does not deflect from the slit, it may be positioned by inserting staples 920 into the foam deck 930 of the expansion joint 950. The telescopic body 940 is directly paved at the joint, forms a continuous body with the bridge deck pavement layer 310 and the pavement layer 320, and forms a seamless telescopic joint 950 structure, so that the travelling crane is stable, comfortable, noiseless and small in vibration, and has the advantages of convenience in maintenance, cleaning, snow removal and the like.
In this embodiment, the bridge deck pavement layer 310, the pavement layer 320 and the telescopic body 940 are bonded by an adhesive, so that the connection between the components is ensured to be firm, and the interface strength is ensured. Wherein, the adhesive can be TST-Z special adhesive.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (7)
1. The utility model provides a half-way half-bridge structure, its characterized in that includes bridge, road bed backfill layer and strap, the road bed backfill layer is located the below of strap, the strap with the bridge arranges side by side and the strap with be equipped with the expansion joint between the bridge, be equipped with bridge deck pavement layer on the bridge, be equipped with pavement layer on the strap, bridge deck pavement layer with the interval between the pavement layer sets up the cooperation and forms the mounting groove, the width of mounting groove is greater than the width of expansion joint, the expansion joint is located under the mounting groove, one side of bridge is equipped with the bracket, the strap is followed the width direction of road bed backfill layer is equipped with strap link and strap main part, the strap link is arranged in on the bracket and is connected with the bracket, the strap main part supports in on the road bed backfill layer; anchoring steel bars for connecting the butt strap are embedded in the bracket, so that the butt strap and the bracket are connected, and the butt strap can rotate relatively; the road shoulder retaining wall is arranged on one side of the roadbed backfill layer, the cushion layer is arranged above the roadbed backfill layer, the road shoulder retaining wall protrudes upwards from the cushion layer, the access board connecting end is connected with the bracket after crossing the road shoulder retaining wall, the access board connecting end and the road shoulder retaining wall are arranged at intervals, the access board main body section is supported on the cushion layer, and the bottom surface of the access board connecting end and the bottom surface of the access board main body section are matched to form a step structure; the side surface of the access board main body section and the side surface of the road shoulder retaining wall are arranged at intervals; the shoulder retaining wall and the bracket are arranged at intervals.
2. The half-way half-bridge structure of claim 1, wherein the top surface of the access panel body section is inclined, the bottom surface of the access panel body section is horizontal, the thickness of the access panel body section is gradually thinned along a direction away from the access panel connection end, and a pavement base layer is provided between the access panel body section and the pavement layer.
3. The half-bridge structure of claim 1, wherein a felt is disposed between the strap connection end and the bracket.
4. The half-bridge structure of claim 1, wherein the cushion layer comprises a concrete cushion layer, a cement stabilized gravel layer and a rubble cushion layer which are sequentially arranged from top to bottom, and the rubble cushion layer is paved on the roadbed backfill layer.
5. The half-bridge structure of claim 1, further comprising a cover plate, a fixing pin, a foam plate and a telescopic body, wherein the cover plate is located in the mounting groove and covers the expansion joint, the foam plate is stuffed in the expansion joint, the fixing pin penetrates through the cover plate to enter the expansion joint and is inserted into the foam plate, and the telescopic body is stuffed in the mounting groove.
6. The half-bridge structure of claim 5, wherein the deck pavement layers, the telescopic body, the pavement layers, the bridge, the access boards and the cover boards are bonded by adhesive.
7. A half-bridge construction according to any one of claims 1 to 6, wherein the brackets and the access panels are connected by anchoring bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810283046.7A CN108301306B (en) | 2018-04-02 | 2018-04-02 | Half-way half-bridge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810283046.7A CN108301306B (en) | 2018-04-02 | 2018-04-02 | Half-way half-bridge structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108301306A CN108301306A (en) | 2018-07-20 |
| CN108301306B true CN108301306B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810283046.7A Active CN108301306B (en) | 2018-04-02 | 2018-04-02 | Half-way half-bridge structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN108301306B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252159B (en) * | 2020-10-24 | 2022-08-23 | 惠州大亚湾市政基础设施有限公司 | Bridge and pavement integrated construction structure and construction method |
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| CN206680865U (en) * | 2017-03-31 | 2017-11-28 | 江阴市交通规划勘察设计院有限公司 | A kind of control structure of bumping at bridge-head |
| CN206768578U (en) * | 2017-05-27 | 2017-12-19 | 青海路桥建设机械工程有限公司 | A kind of attachment strap structure for reducing bump at bridgehead |
| CN208167486U (en) * | 2018-04-02 | 2018-11-30 | 广东中天市政工程设计有限公司 | Midway half-bridge structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108301306A (en) | 2018-07-20 |
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