CN208594493U - A kind of bridge floor widened structure - Google Patents
A kind of bridge floor widened structure Download PDFInfo
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- CN208594493U CN208594493U CN201821165500.0U CN201821165500U CN208594493U CN 208594493 U CN208594493 U CN 208594493U CN 201821165500 U CN201821165500 U CN 201821165500U CN 208594493 U CN208594493 U CN 208594493U
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- cross bar
- floorings
- vertical bar
- bar
- distribution beam
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Abstract
A kind of bridge floor widened structure, it is mainly used for solving the problems, such as to widen the narrow bridge of conventional concrete, the structure mainly includes distribution beam, floorings are provided in the distribution beam, the distribution beam and the floorings pour integrally, the two sides of the floorings are provided with triangular support configurations, the triangular support configurations include vertical bar, the vertical bar is fixed on the outside of the distribution beam, and the vertical bar is uniformly distributed along the length direction of the distribution beam, the over top of the vertical bar is provided with the cross bar, one end of the cross bar is abutted with the floorings, the other end of the cross bar overhangs except the floorings, brace is provided between the vertical bar and the cross bar, spacer block is provided on the cross bar, it is provided with and mats formation on the spacer block, the outside mated formation is provided with guardrail, the inside mated formation is provided with kerbstone, the knot Structure is mainly useful for the narrow bridge of conventional concrete and is widened to increase the current function on pavement.
Description
Technical field
The utility model relates to the construction fields that builds a bridge, and in particular to widen relatively narrow conventional concrete bridge
A kind of bridge floor cantilevered structure.
Background technique
Bridge is across a kind of strategic road means of transportation of road, river, mountain stream, and structure type is also more diversified,
It is divided by structural system, mainly there is beam bridge, arch bridge, level bridges, suspension bridge, cable-stayed bridge etc., the construction technology of bridge has been at present
Through quite mature, quality requirement is very strict, and the design life of large bridge should generally reach 100 years.China is built early stage
If miscellaneous bridge, current demand is not only met, but also much have become landmark, and becomes beauty together
Beautiful scenery.
Many bridges of early stage construction, since design standard is low, current demand is small, and it is relatively narrow to result in bridge floor, some bridges
It even can only meet the requirement that is open to traffic substantially, pavement is not provided with, so that the later period brings inconvenience, nothing to the trip of people
Method meets multifunctional traffic demand.However in view of bridge will have certain safety coefficient in design and work progress, this
Utility model is exactly to comprehensively utilize the safety coefficient of bridge, is widened to carry out bridge floor to the narrow bridge of conventional concrete, to meet pedestrian
Current demand.
Utility model content
The utility model proposes a kind of bridge floor widened structures, not only mitigate the load generated to bridge from raw material, and
And construction is simple, specific technical solution are as follows:
A kind of bridge floor widened structure, includes distribution beam (14) and floorings (5), and the floorings (5) are located at described point
It is formed with beam (14) top end and with the distribution beam (14) formed by integrally casting, the two sides of the floorings (5) are provided with triangle
Support construction；
The triangular support configurations include vertical bar (17), cross bar (1) and brace (18), and the vertical bar (17) is fixed on described
The outside of distribution beam (14), and the vertical bar (17) is uniformly distributed along the length direction of the distribution beam (14), the vertical bar
(17) over top is provided with the cross bar (1), and one end of the cross bar (1) is abutted with the floorings (5), the cross bar (1)
The other end overhangs except the floorings (5), and brace (18) are provided between the vertical bar (17) and the cross bar (1)；
The top of the cross bar (1) is provided with spacer block (3), and the top of the spacer block (3) is provided with mat formation (2).
The working principle of the utility model are as follows: be most importantly the triangular support configurations, the triangle in the utility model
Support construction includes vertical bar, which is fixed together with the distribution beam, constitute the triangular support configurations with
The basis that the distribution beam and the floorings are fixed together.
It is provided with spacer block on the cross bar, is provided with and mats formation on spacer block, after completion of mating formation, has been basically completed to bridge floor
Widen, the utility model widens bridge floor and mainly provides pavement, therefore using triangular support configurations, rather than uses mixed
Solidifying soil is cast-in-place, therefore for the structure widened itself, triangular support configurations are much smaller than the dead load of concrete, can be with
The safety coefficient of Bridge Design is made full use of to complete to widen.
In order to which the utility model is better achieved, which makes improvements from the following aspect, specific as follows:
Reinforcement bottom plate (13) have been poured between the distribution beam (14).
The setting for reinforcing bottom plate, improves the bearing capacity of script bridge structure itself, provides more to widen bridge floor
Good solid foundation.
The distribution beam (14) is connect with the vertical bar (17) using split bolt (15), and is connected with the vertical bar (17)
Bar planting pours outer side bar on the outside of the distribution beam (14) connect, and the distribution beam (14) of two sides is poured with the vertical bar (17)
Build up one.
Using the split bolt connect, connect the distribution beam with the vertical bar even closer, secured, and with
Bar planting pours outer side bar on the outside of the distribution beam of the vertical bar connection, and the distribution beam of two sides is poured with the vertical bar
Integrally.The process by before widening bridge ontology and the triangular support configurations be firmly combined into an entirety, guarantee
The safety of widened structure and entire bridge deck structure.
It is provided between the vertical bar (17) opposite positioned at the floorings (5) two sides and reinforces stull (16), the reinforcement
Stull (16) is abutted with the bottom of the distribution beam (14).
The effect for reinforcing stull is that the opposite vertical bar in floorings two sides is connected into an entirety, improves this
The integral strength and stability of structure.
The angle that the vertical bar (17) connect with the brace (18) is provided with the first stiffener (11), the vertical bar
(17) angle connecting with the cross bar (1) is provided with the second stiffener (10), and the cross bar (1) and the brace (18) are even
The angle connect is provided with third stiffener (9).
The setting of first stiffener, the second stiffener and third stiffener, can reinforce the vertical bar and it is described tiltedly
Stability is reinforced in connection between bar, vertical bar and the cross bar, cross bar and the brace.
Steel plate (6) are equipped on the floorings (5), the two sides of the steel plate (6) overhang the floorings (5) out respectively
Outside, and overhang the steel plate (6) of floorings (5) outer portion out and be fixedly connected with the cross bar (1).
The steel plate for overhanging the floorings outer portion out is fixedly connected with the cross bar, entire bridge floor can be connected
At an entirety, the safety and exploitativeness of the structure are improved.
The 4th stiffener (8) is provided on the cross bar (1), the 4th stiffener (8) is located at the brace (18) and cross
The junction of bar (1).
The setting of 4th stiffener can reinforce the connection between the brace and the cross bar, and can have
Reinforce the bearing strength of the cross bar in effect ground.
The edge mated formation on the outside of (2) is provided with guardrail (7), it is described mat formation be provided with kerbstone (4) on the inside of (2),
The kerbstone (4) is located on the steel plate (6).
The setting of the guardrail can guarantee the safety that pedestrian walks on bridge, and the setting of the kerbstone not only improves
Bridge floor it is overall beautiful, and have the function of for vehicle guidance.
The cross bar (1), brace (18) and the external coating for reinforcing stull (16) have antirust paint.
The antirust paint can effectively prevent the cross bar, brace and reinforce stull corrosion, improve triangular support configurations
Endurance quality and bridge using safe.
The H profile steel of vertical bar (17) model HW200 × 200 × 8 × 12 (mm), the cross bar (1) and brace (18)
Model is the H profile steel of HW300 × 300 × 10 × 15 (mm), reinforcement stull (16) model 200 × 200 × 10 (mm)
Square steel tube.
H profile steel and square steel tube not only have biggish rigidity and stability, good integrity, but also can effectively mitigate
The self weight of bridge superstructure improves the safety of the structure.
The utility model has the beneficial effects that the structure mainly widens traditional coagulation using the triangular support configurations
Native bridge floor, triangular support configurations inherently have the characteristics that good stability, can effectively improve after being improved by the structure
Widen the overall stability of bridge floor.
The vertical bar, cross bar and brace are the H profile steels used, and H profile steel has biggish rigidity and stability, with use
The mode that bridge floor is widened in concreting is compared, and can mitigate dead load significantly using H profile steel, therefore can adequately utilize
The design safety factor (DSF) of bridge completes widening for bridge floor in permissible range.
The reinforcement stull is connect with the vertical bar, and the steel plate is connect with the cross bar, is seen on the whole, the steel
Plate, cross bar, vertical bar, brace and reinforcement stull form a closure skeleton in structure, tightly by conventional concrete bridge
It links together, substantially increases the safety coefficient for widening bridge floor.
The distribution beam of the vertical bar and floorings two sides, which is poured, builds up an entirety, to also ensure widened structure
Safety.
Detailed description of the invention
Fig. 1 is the utility model tradition bridge floor structure transverse face schematic diagram；
Fig. 2 is the utility model tradition bridge floor widened structure schematic cross-sectional view.
Specific embodiment
As Figure 1-Figure 2: a kind of bridge floor widened structure includes distribution beam 14 and floorings 5, the floorings 5
It is formed in 14 top end of distribution beam and with 14 formed by integrally casting of distribution beam, the two sides of the floorings 5 are provided with three
Angle support construction.
The triangular support configurations include vertical bar 17, cross bar 1 and brace 18.The vertical bar 17 is fixed on the distribution beam 14
Outside, and the vertical bar 17 is uniformly distributed along the length direction of the distribution beam 14.The over top of the vertical bar 17 is arranged
There is the cross bar 1, the cross bar 1 and the vertical bar 17 are welded to connect.One end of the cross bar 1 is abutted with the floorings 5, the cross bar 1
The other end overhang except the floorings 5.Brace 18, the brace are provided between the vertical bar 17 and the cross bar 1
18 both ends are welded to connect with the vertical bar 17 and cross bar 1 respectively.
The top of the cross bar 1 is provided with spacer block 3, and the spacer block 3 is square steel tube, and the cross sectional dimensions of spacer block 3 is 200
× 200 × 10 (mm), the top of the spacer block 3, which is provided with, mats formation 2, it is described mat formation 2 be plank frame other light materials.
It has been poured between the distribution beam 14 and has reinforced bottom plate 13, the working procedure of the reinforcement bottom plate 13 are as follows: dug out described point
It binds and sets up between the longitudinal reinforcement for two layers of longitudinal reinforcement with 14 side lower of beam → dug out in the adjacent distribution beam
Transverse steel → install on the transverse steel the set up longitudinal reinforcement → installation template → for reinforcing bottom plate 13 pours described
Reinforce bottom plate 13.
The distribution beam 14 is connect with the vertical bar (17) using split bolt (15)；And it is connect with the vertical bar (17)
The distribution beam (14) on the outside of bar planting pour outer side bar, and the distribution beam (14) of two sides is poured with the vertical bar (17)
Integrally.
It is provided between the vertical bar 17 opposite positioned at 5 two sides of floorings and reinforces stull 16, the reinforcement stull 16
Both ends be welded to connect respectively with the vertical bar 17, which abuts with the bottom of the distribution beam 14.
The angle that the vertical bar 17 is connect with the brace 18 is provided with the first stiffener 11, which divides
It is not welded to connect with the vertical bar 17 and the brace 18, the angle that the vertical bar 17 is connect with the cross bar 1 is provided with the
Two stiffeners 10, second stiffener 10 are welded to connect with the vertical bar 17 and the cross bar 1 respectively, the cross bar 1 and institute
State brace 18 connection angle be provided with third stiffener 9, the third stiffener 9 respectively with the cross bar 1 and the brace
18 are welded to connect.
It is equipped with steel plate 6 on the floorings 5, is connected between the steel plate 6 and the floorings 5 using moulding, and
It is additionally provided between the floorings 5 and the steel plate 6 and drawing high-strength anchor bolt is fixed.The two sides of the steel plate 6 overhang out respectively
Outside the floorings 5, and overhangs the steel plate 6 of 5 outer portion of floorings out and fixed with the cross bar 1 using welding manner
Connection.
The 4th stiffener 8 is provided on the cross bar 1, the 4th stiffener 8 is located at the connection of the brace 18 and cross bar 1
Place, the 4th stiffener 8 are welded on the cross bar 1.
The edge for mating formation 2 outsides is provided with guardrail 7, and 2 inside of mating formation is provided with kerbstone 4, the kerbstone 4
On the steel plate 6.
The cross bar 1, brace 18 and the external coating for reinforcing stull 16 have antirust paint.
The H profile steel of 17 model HW200 × 200 × 8 × 12 (mm) of vertical bar, the cross bar 1 and 18 model of brace are equal
For the H profile steel of HW300 × 300 × 10 × 15 (mm), the square steel tube for reinforcing 16 model 200 × 200 × 10 (mm) of stull.
Claims (10)
1. a kind of bridge floor widened structure, includes distribution beam (14) and floorings (5), the floorings (5) are located at the distribution
Beam (14) top end and with the distribution beam (14) formed by integrally casting form, it is characterised in that: the two sides of the floorings (5) are set
It is equipped with triangular support configurations；
The triangular support configurations include vertical bar (17), cross bar (1) and brace (18), and the vertical bar (17) is fixed on the distribution
The outside of beam (14), and the vertical bar (17) is uniformly distributed along the length direction of the distribution beam (14), the vertical bar (17)
Over top is provided with the cross bar (1), and one end of the cross bar (1) is abutted with the floorings (5), the other end of the cross bar (1)
Overhanging is provided with brace (18) except the floorings (5) between the vertical bar (17) and the cross bar (1)；
The top of the cross bar (1) is provided with spacer block (3), and the top of the spacer block (3) is provided with mat formation (2).
2. a kind of bridge floor widened structure according to claim 1, it is characterised in that: poured between the distribution beam (14)
Reinforce bottom plate (13).
3. a kind of bridge floor widened structure according to claim 1, it is characterised in that: the distribution beam (14) and the vertical bar
(17) it is connected using split bolt (15), and outside the distribution beam (14) the outside bar planting connecting with the vertical bar (17) pours
Side bar, and the distribution beam (14) of two sides and the vertical bar (17) are poured integrally.
4. a kind of bridge floor widened structure according to claim 1, it is characterised in that: be located at the floorings (5) two sides phase
Pair the vertical bar (17) between be provided with reinforce stull (16), the reinforcement stull (16) and the bottom of the distribution beam (14) are supported
It connects.
5. a kind of bridge floor widened structure according to claim 1, it is characterised in that: the vertical bar (17) and the brace
(18) angle connected is provided with the first stiffener (11), and the angle that the vertical bar (17) connect with the cross bar (1) is set
It is equipped with the second stiffener (10), the angle that the cross bar (1) connect with the brace (18) is provided with third stiffener (9).
6. a kind of bridge floor widened structure according to claim 1, it is characterised in that: be equipped with steel on the floorings (5)
Plate (6), the two sides of the steel plate (6) overhang the floorings (5) out respectively and outside, and overhang floorings (5) outer portion out
The steel plate (6) be fixedly connected with the cross bar (1).
7. a kind of bridge floor widened structure according to claim 1, it is characterised in that: be provided with the 4th on the cross bar (1)
Stiffener (8), the 4th stiffener (8) are located at the junction of the brace (18) and cross bar (1).
8. a kind of bridge floor widened structure according to claim 6, it is characterised in that: the edge mated formation on the outside of (2) is set
Be equipped with guardrail (7), it is described mat formation be provided with kerbstone (4) on the inside of (2), which is located on the steel plate (6).
9. a kind of bridge floor widened structure according to claim 1, it is characterised in that: the cross bar (1), brace (18) and add
The external coating of tyrannical support (16) has antirust paint.
10. a kind of bridge floor widened structure according to claim 4, it is characterised in that: vertical bar (17) the model HW200
The H profile steel of × 200 × 8 × 12 (mm), the cross bar (1) and brace (18) model are HW300 × 300 × 10 × 15 (mm)
H profile steel, the square steel tube for reinforcing stull (16) model 200 × 200 × 10 (mm).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821165500.0U CN208594493U (en) | 2018-07-23 | 2018-07-23 | A kind of bridge floor widened structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821165500.0U CN208594493U (en) | 2018-07-23 | 2018-07-23 | A kind of bridge floor widened structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208594493U true CN208594493U (en) | 2019-03-12 |
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ID=65603421
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821165500.0U Active CN208594493U (en) | 2018-07-23 | 2018-07-23 | A kind of bridge floor widened structure |
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| CN (1) | CN208594493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113215950A (en) * | 2021-05-27 | 2021-08-06 | 中冶南方城市建设工程技术有限公司 | Reserved and widened box girder bridge and widening construction method thereof |
-
2018
- 2018-07-23 CN CN201821165500.0U patent/CN208594493U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113215950A (en) * | 2021-05-27 | 2021-08-06 | 中冶南方城市建设工程技术有限公司 | Reserved and widened box girder bridge and widening construction method thereof |
| CN113215950B (en) * | 2021-05-27 | 2023-04-28 | 中冶南方城市建设工程技术有限公司 | Reserved and widened box girder bridge and widening construction method thereof |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 400016, No. two, 221 Changjiang Road, Yuzhong District, Chongqing Patentee after: Chongqing Institute of Building Science Co.,Ltd. Address before: 400016, No. two, 221 Changjiang Road, Yuzhong District, Chongqing Patentee before: CHONGQING CONSTRUCTION SCIENCE Research Institute |
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