CN211036663U - Assembled prestressed bridge deck slab structure system - Google Patents
Assembled prestressed bridge deck slab structure system Download PDFInfo
- Publication number
- CN211036663U CN211036663U CN201921248826.4U CN201921248826U CN211036663U CN 211036663 U CN211036663 U CN 211036663U CN 201921248826 U CN201921248826 U CN 201921248826U CN 211036663 U CN211036663 U CN 211036663U
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- bridge deck
- platform
- prestressed
- prestressed bridge
- pier
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- 238000010276 construction Methods 0.000 claims abstract description 48
- 238000004062 sedimentation Methods 0.000 claims abstract description 11
- 230000035939 shock Effects 0.000 claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 230000002787 reinforcement Effects 0.000 claims description 23
- 238000013016 damping Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 3
- 206010039203 Road traffic accident Diseases 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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Abstract
The utility model provides an assembled prestressed bridge deck slab structure system belongs to bridge construction technical field. The bottom of the top of the pier column is connected with the anti-sedimentation base, and the top of the pier column is connected with the bearing platform; two prestressed bridge decks are arranged in the transverse direction of the bearing platform, prestressed anchors are arranged in the prestressed bridge decks, the middle of the bearing platform is connected with the prestressed bridge decks through connecting struts, and shock-absorbing supports are arranged on the connecting struts; limiting baffles are arranged at the left end and the right end of the bearing platform to limit the left-right translation of the prestressed bridge deck, and anti-collision guardrails are arranged at the left end and the right end of the prestressed bridge deck; the utility model has the advantages that structural system atress performance is good, and the installation is simple and convenient fast, and easy replacement, prestressed bridge panel arrange shock mount with accept the platform junction and improved holistic atress nature and the anti-seismic performance of pier. The anti-collision guardrails are arranged at the left end and the right end of the prestressed bridge deck, so that a good buffering effect can be achieved on a vehicle in collision, and casualties and economic losses when traffic accidents occur are reduced.
Description
Technical Field
The invention relates to an assembled prestressed bridge deck structure system, and belongs to the technical field of assembled bridge construction.
Background
Along with the acceleration of planning construction and urbanization process of a highway network in China, in order to reduce the dependence and influence on the environment in the bridge construction process, in engineering practice, the prefabricated section assembling technology and the section lifting technology have great advantages, early application is mainly focused on large bridges across the sea, the river and the like, a technology of combining section tensioning prestressed tendons and section connecting common steel bars is adopted, a new thought is provided for the engineering practice and research in China, but the column-embracing beam jacking construction is used as a counter-force platform, the bearing capacity is small, the column-embracing beam jacking construction cannot be applied to a bridge structure with large self weight, direct jacking can bring large workload to the whole construction, compared with the column-embracing beam structure, the economy is poor, the cast-in-place bridge construction speed is slow, the prefabricated assembling concept advocated by the country is not met, and the existing bridge manufacturing and assembling method has assembling dislocation, The problems of poor shock resistance, difficult replacement and the like are summarized, a construction method which is based on an assembled bridge structure, utilizes a prestress technology, is detachable and does not cause great influence on an original pier column or a bridge structure is very important.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides an assembled prestressed decking structure system, which can reduce casualties and economic losses in the event of traffic accidents.
The technical scheme adopted by the invention is as follows:
an assembled prestressed bridge deck structure system comprises bridge pier pillars, a receiving platform, prestressed bridge decks, shock absorbing supports, anti-settling bases, foundation piles, anti-collision guardrails, prestressed anchors, anti-overturning anchors and fixed anchors; the utility model discloses a bridge pier structure, including pier column bottom and settlement-preventing basement, prevent that the lower part of settlement basement is connected with the foundation pile, pier column top is connected with accepting the platform, accept and arrange two block prestressing force decking in the platform transverse direction, accept and be equipped with shock-absorbing support between platform and the prestressing force decking, the inside prestressing force anchorage utensil that sets up of prestressing force decking, prefabricated anticollision barrier is arranged at both ends about prestressing force decking, fixed anchorage runs through one side that anticollision barrier is close to the decking outside and prestressing force decking left end or right-hand member, fix anticollision barrier on prestressing force decking, anticollision barrier is close to one side of decking inside and arranges anti-overturning anchor nail and fixes anticollision barrier on prestressing force decking.
Furthermore, pier column vertical reinforcing bars arranged inside the pier columns extend into the anti-sedimentation base and are fixed with base transverse reinforcing bars arranged inside the anti-sedimentation base; the pier column vertical reinforcing bars arranged inside the pier columns extend into the bearing platform and are fixed together with the platform transverse reinforcing bars arranged inside the bearing platform.
Furthermore, the bearing platform comprises a bearing platform main body, a limiting baffle, a limiting groove, a lower connecting strut, a lower construction platform, a platform transverse reinforcement, a platform longitudinal reinforcement and a middle partition wall; the horizontal arrangement of reinforcement of platform and the vertical arrangement of reinforcement of platform are arranged according to standard design requirement to the inside of cushion cap main part, and cushion cap main part upper end bilateral symmetry arranges two sets of platforms of being constituteed by a plurality of construction platform down, sets up the mid-board between two sets of platforms, sets up down the pillar of connecting between the adjacent two construction platforms of every group, and limit baffle is arranged to tip upside about the cushion cap main part, and limit baffle inboard is arranged the spacing groove.
Furthermore, the prestressed bridge deck comprises a bridge deck main body, an upper construction platform, an upper connecting strut, an outer edge clamping tenon and an anchor groove; the lower tip of decking main part sets up a plurality of last construction platform that correspond with construction platform position down, sets up the connection pillar between two adjacent last construction platforms, and outer edge trip and spacing groove phase-match, limit baffle keep off the outside along the trip and restrict prestressing force decking left and right translation outside, go up the connection pillar and connect the corresponding and arrange shock mount between the two of pillar arrangement position down.
Further, the anti-settling base is arranged in the soil layer, and the base transverse reinforcing bars and the base vertical reinforcing bars are arranged in the anti-settling base.
Further, the prestressed anchor comprises a cable head, a cable body and a cable head base plate; the cable body is made of a plurality of strands of steel strands, the cable heads are positioned at two ends of the cable body, and the cable head base plate is arranged on the inner side of the cable head; the cable body passes through a pre-stressed cable channel reserved in the pre-stressed bridge deck and is locked by a cable head, and the cable head is fixed in the anchorage groove.
Furthermore, pier column hoop stirrups are arranged around the vertical reinforcement arrangement of pier columns inside the pier columns.
Furthermore, damping supports are arranged at the left end and the right end of the intermediate wall.
Furthermore, the upper construction platform, the upper connecting strut, the lower construction platform and the lower connecting strut enclose a hexagonal bridge opening.
Further, the vertical reinforcing bars arranged inside the foundation piles extend into the anti-sedimentation base and are fixed with the transverse reinforcing bars arranged inside the anti-sedimentation base.
The invention has the beneficial effects that: the stress performance of the structural system is good, the installation is quick and simple, the replacement is easy, and the shock-absorbing support is arranged at the joint of the prestressed bridge deck and the bearing platform, so that the overall stress performance and shock resistance of the pier are improved. The rear lifting strut can assist in mounting a prestressed bridge deck and replacing a damping support by the lifting prestressed bridge deck; the anti-collision guardrails are arranged at the left end and the right end of the prestressed bridge deck, so that a good buffering effect can be achieved on a vehicle in collision, and casualties and economic losses when traffic accidents occur are reduced.
Drawings
FIG. 1 is a schematic view of a bridge structure;
FIG. 2 is a schematic structural diagram of an assembled prestressed bridge deck;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a schematic view of a receiving platform;
FIG. 5 is a schematic view of the connection between the receiving platform and the fabricated prestressed bridge deck;
FIG. 6 is a schematic view of a same-step lifting prestressed bridge deck with rear lifting pillars;
FIG. 7 is a schematic view of a post-positioned lifting strut multistage lifting prestressed bridge deck;
FIG. 8 is a schematic view of a prestressed anchorage;
FIG. 9 is a detailed view of the connection between the crash barrier and the prestressed bridge deck at the position A in FIG. 1;
FIG. 10 is a detailed view of the connecting reinforcement at the position C of FIG. 1 between the pier stud and the receiving platform;
fig. 11 is a detailed view of the pier stud and the foundation pile connecting reinforcement at the position D in fig. 1.
In the figure: 1 is a pier column; 2 is a bearing platform; 3 is a prestressed bridge deck; 4 is a damping support; 5 is an anti-sedimentation substrate; 6 is a foundation pile; 7 is an anti-collision guardrail; 8 is a prestressed anchorage device; 9 is an anti-overturning anchor; 10 is a fixed anchorage device; 11 is a rear lifting pillar; 1-1 is pier stud vertical reinforcement; 1-2 is a pier column hoop reinforcement; 2-1 is a bearing platform main body; 2-2 is a limit baffle; 2-3 is a limit groove; 2-4 are lower connecting struts; 2-5 is a lower construction platform; 2-6 are transverse reinforcing bars of the platform; 2-7 are longitudinal reinforcing bars of the platform; 2-8 is an intermediate wall; 3-1 is a bridge deck main body; 3-2 is an upper construction platform; 3-3 is an upper connecting strut; 3-4 is an outer edge tenon; 3-5 are anchorage grooves; 5-1 is transverse reinforcing bars of the substrate; 5-2 is a vertical reinforcing bar of the base; 8-1 is a cable head; 8-2 is a rope body; and 8-3 is a cable head backing plate.
Detailed Description
In order to further illustrate the present invention, the following detailed description of the present invention is given with reference to the accompanying drawings and examples, which should not be construed as limiting the scope of the present invention.
Example (b): as shown in fig. 1-11, an assembled prestressed bridge deck structure system mainly includes pier studs 1, receiving platforms 2, prestressed bridge decks 3, shock-absorbing supports 4, anti-settling bases 5, foundation piles 6, anti-collision guardrails 7, prestressed anchors 8, anti-overturning anchors 9, and fixed anchors 10; the bottom of the pier column 1 is connected with an anti-sedimentation base 5, wherein a pier column vertical reinforcement 1-1 arranged in the pier column 1 extends into the anti-sedimentation base 5 and is fixed with a base transverse reinforcement 5-1 arranged in the anti-sedimentation base 5; the top of each pier column 1 is connected with a bearing platform 2, wherein a pier column vertical reinforcement 1-1 arranged in each pier column 1 extends into the bearing platform 2 and is fixed with a platform transverse reinforcement 2-6 arranged in the bearing platform 2; the anti-settling base 5 is connected with a foundation pile 6, wherein vertical reinforcing bars arranged inside the foundation pile 6 extend into the adapting platform 2 and are fixed with platform transverse reinforcing bars 2-6 arranged inside the adapting platform 2;
the bearing platform 2 consists of a bearing platform main body 2-1, a limiting baffle 2-2, a limiting groove 2-3, a lower connecting strut 2-4, a lower construction platform 2-5, a platform transverse reinforcement 2-6, a platform longitudinal reinforcement 2-7 and an intermediate wall 2-8; the horizontal reinforcement 2-6 and the longitudinal reinforcement 2-7 of the platform are arranged in the bearing platform main body 2-1 according to the standard design requirement, two groups of lower construction platforms 2-5 are symmetrically arranged at the upper end part of the bearing platform main body 2-1 left and right, the two groups of lower construction platforms 2-5 are separated by an intermediate wall 2-8, two adjacent lower construction platforms 2-5 of each group are separated by a lower connecting strut 2-4, a limit baffle 2-2 is arranged at the upper side of the left end part and the right end part of the bearing platform main body 2-1, and a limit groove 2-3 is arranged at the inner side of the limit baffle 2-2;
the prestressed bridge deck 3 consists of a bridge deck main body 3-1, an upper construction platform 3-2, upper connecting struts 3-3, outer edge tenons 3-4 and anchor grooves 3-5; the lower end part of the bridge deck main body 3-1 is provided with an upper construction platform 3-2 matched with the lower construction platform 2-5, and two adjacent upper construction platforms 3-2 are separated by an upper connecting strut 3-3; 5 prestressed anchorage devices 8 are arranged in the prestressed bridge deck 3;
two unit prestressed bridge decks 3 are arranged on the bearing platform 2 in the transverse direction, outer edge tenons 3-4 of the prestressed bridge decks 3 are arranged in limiting grooves 2-3, limiting baffle plates 2-2 are blocked at the outer sides of the outer edge tenons 3-4 at intervals and limit the prestressed bridge decks to move horizontally left and right, the upper construction platform 3-2 corresponds to the arrangement position of the lower construction platform 2-5, the upper connecting support 3-3 corresponds to the arrangement position of the lower connecting support 2-4, and a damping support 4 is arranged between the upper construction platform 3-2 and the lower connecting support; the shock absorption support 4 can be fixed on the upper connecting strut and the lower connecting strut through expansion bolts; a hexagonal bridge opening is defined by the upper construction platform 3-2, the lower construction platform 2-5, the upper connecting strut 3-3 and the lower connecting strut 2-4;
And pier column circumferential stirrups 1-2 are arranged around the pier column vertical reinforcement 1-1 inside the pier column 1. And damping supports 4 are arranged at the left end part and the right end part of the intermediate wall 2-8. The anti-settling base 5 is arranged in a soil layer, and a base transverse reinforcing bar 5-1 and a base vertical reinforcing bar 5-2 are arranged in the anti-settling base.
The prestressed anchor device 8 consists of a cable head 8-1, a cable body 8-2 and a cable head base plate 8-3; the cable body 8-2 is made of a plurality of strands of steel strands, the cable head 8-1 is positioned at two ends of the cable body 8-2, and the cable head backing plate 8-3 is positioned at the inner side of the cable head 8-1; the cable body 8-2 of the prestressed anchorage device 8 penetrates through 5 prestressed cable ducts reserved in the prestressed bridge deck 3 and is locked by a cable head 8-1, and the cable head 8-1 is fixed in the anchorage device groove 3-5.
During construction: the rear lifting strut 11 is arranged on the bearing platform 2, the lower end part of the rear lifting strut 11 is arranged in the lower construction platform 2-5, the upper end part of the rear lifting strut 11 is arranged on the upper construction platform 3-2, the rear lifting strut 11 can lift the prestressed bridge deck 3 to assist construction, and the rear lifting strut 11 can be detached after completion; after use: the rear lifting strut 11 is arranged in the hexagonal bridge opening, the lower end part of the rear lifting strut 11 is arranged inside the lower construction platform 2-5, the upper end part of the rear lifting strut 11 is arranged on the upper construction platform 3-2, and the rear lifting strut 11 can lift the prestressed bridge deck 3 to replace the shock absorption support 4.
Claims (10)
1. An assembled prestressed bridge deck structure system is characterized in that: the anti-settlement pier comprises pier columns (1), a receiving platform (2), a prestressed bridge deck (3), a shock absorption support (4), an anti-settlement substrate (5), foundation piles (6), an anti-collision guardrail (7), a prestressed anchorage device (8), an anti-overturning anchor bolt (9) and a fixed anchorage device (10); the bottom of the pier stud (1) is connected with a settlement-preventing substrate (5), the lower part of the settlement-preventing substrate (5) is connected with a foundation pile (6), the top of the pier stud (1) is connected with a receiving platform (2), two unit pre-stressed bridge decks (3) are arranged on the receiving platform (2) in the transverse direction, a shock-absorbing support (4) is arranged between the receiving platform (2) and the unit pre-stressed bridge decks (3), pre-stressed anchors (8) are arranged inside the pre-stressed bridge decks (3), pre-fabricated anti-collision guardrails (7) are arranged at the left end and the right end of each pre-stressed bridge deck (3), a fixed anchorage device (10) penetrates through one side of each anti-collision guardrail (7) close to the outer part of each bridge deck and the left end or the right end of each pre-stressed bridge deck (3), and each anti, and an anti-overturning anchor bolt (9) is arranged on one side of the anti-collision guardrail (7) close to the interior of the bridge deck to fix the anti-collision guardrail (7) on the prestressed bridge deck (3).
2. The assembled prestressed bridge deck structure according to claim 1, wherein: pier column vertical reinforcing bars (1-1) arranged inside the pier columns (1) extend into the anti-sedimentation base (5) and are fixed with base transverse reinforcing bars (5-1) arranged inside the anti-sedimentation base (5); pier column vertical reinforcing bars (1-1) arranged inside the pier columns (1) extend into the bearing platform (2) and are fixed with platform transverse reinforcing bars (2-6) arranged inside the bearing platform (2).
3. The assembled prestressed bridge deck structure according to claim 1, wherein: the bearing platform (2) comprises a bearing platform main body (2-1), a limiting baffle (2-2), a limiting groove (2-3), a lower connecting strut (2-4), a lower construction platform (2-5), a platform transverse reinforcement (2-6), a platform longitudinal reinforcement (2-7) and an intermediate wall (2-8); the horizontal reinforcement (2-6) of platform and the vertical reinforcement (2-7) of platform are arranged according to the standard design requirement in the cushion cap main part (2-1), two sets of platforms that constitute by a plurality of construction platform (2-5) are arranged to the left and right symmetry of cushion cap main part (2-1) upper end, mid-board (2-8) are set up between two sets of platforms, set up down between two adjacent construction platform (2-5) of every group and connect pillar (2-4), spacing baffle (2-2) are arranged to tip upside about cushion cap main part (2-1), spacing groove (2-3) are arranged to spacing baffle (2-2) inboard.
4. The assembled prestressed bridge deck structure according to claim 1, wherein: the prestressed bridge deck (3) comprises a bridge deck main body (3-1), an upper construction platform (3-2), upper connecting struts (3-3), outer edge tenons (3-4) and anchor grooves (3-5); the lower end of the bridge deck main body (3-1) is provided with a plurality of upper construction platforms (3-2) corresponding to the lower construction platforms (2-5), an upper connecting support column (3-3) is arranged between every two adjacent upper construction platforms (3-2), an outer edge clamping tenon (3-4) is matched with a limiting groove (2-3), a limiting baffle (2-2) is blocked at the outer side of the outer edge clamping tenon (3-4) and limits the left-right translation of the prestressed bridge deck (3), and the upper connecting support column (3-3) corresponds to the lower connecting support column (2-4) in arrangement position and a shock absorption support (4) is arranged between the upper connecting support column and the lower connecting support column.
5. The assembled prestressed bridge deck structure according to claim 1, wherein: the anti-settling base (5) is arranged in a soil layer, and a base transverse reinforcing bar (5-1) and a base vertical reinforcing bar (5-2) are arranged in the anti-settling base.
6. The assembled prestressed bridge deck structure according to claim 1, wherein: the prestressed anchor (8) comprises a cable head (8-1), a cable body (8-2) and a cable head base plate (8-3); the cable body (8-2) is made of stranded steel strands, cable heads (8-1) are positioned at two ends of the cable body (8-2), and cable head base plates (8-3) are arranged at the inner side of the cable heads (8-1); the cable body (8-2) penetrates through a pre-stressed cable channel reserved in the pre-stressed bridge deck (3) and is locked by a cable head (8-1), and the cable head (8-1) is fixed in the anchor groove (3-5).
7. The assembled prestressed bridge deck structure according to claim 2, wherein: pier column hoop stirrups (1-2) are arranged around pier column vertical reinforcement (1-1) inside the pier column (1).
8. The assembled prestressed bridge deck structure according to claim 3, wherein: damping supports (4) are arranged at the left end and the right end of the intermediate wall (2-8).
9. The assembled prestressed bridge deck structure according to claim 4, wherein: and the upper construction platform (3-2), the upper connecting support (3-3), the lower construction platform (2-5) and the lower connecting support (2-4) enclose a hexagonal bridge opening.
10. The assembled prestressed bridge deck structure according to claim 1, wherein: the vertical reinforcing bars arranged inside the foundation piles (6) extend into the anti-settling foundation (5) and are fixed with the horizontal reinforcing bars (5-1) of the foundation arranged inside the anti-settling foundation (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921248826.4U CN211036663U (en) | 2019-08-05 | 2019-08-05 | Assembled prestressed bridge deck slab structure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921248826.4U CN211036663U (en) | 2019-08-05 | 2019-08-05 | Assembled prestressed bridge deck slab structure system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211036663U true CN211036663U (en) | 2020-07-17 |
Family
ID=71539700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921248826.4U Expired - Fee Related CN211036663U (en) | 2019-08-05 | 2019-08-05 | Assembled prestressed bridge deck slab structure system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211036663U (en) |
-
2019
- 2019-08-05 CN CN201921248826.4U patent/CN211036663U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200817 Address after: 1702, unit 2, No. 12, Xiangshan Road, Laoshan District, Qingdao, Shandong Province Patentee after: Shandong Tiancheng Traffic Engineering Co.,Ltd. Address before: Hunnan Hunnan Road Shenyang city Liaoning province 110168 No. 9 Patentee before: SHENYANG JIANZHU University |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 |