CN215441411U - Reinforcing structure for bridge with enlarged cross section - Google Patents

Reinforcing structure for bridge with enlarged cross section Download PDF

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Publication number
CN215441411U
CN215441411U CN202122057892.7U CN202122057892U CN215441411U CN 215441411 U CN215441411 U CN 215441411U CN 202122057892 U CN202122057892 U CN 202122057892U CN 215441411 U CN215441411 U CN 215441411U
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bridge
shaped
reinforcing
bridge floor
frame
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丁国强
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Jiangsu Poxiang Structural Reinforcement Engineering Co ltd
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Jiangsu Poxiang Structural Reinforcement Engineering Co ltd
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Abstract

The application discloses a bridge reinforcing structure with an enlarged cross section, which relates to the technical field of bridge reinforcement and solves the problem that long-time blocking of road sections is needed during bridge reinforcing construction and normal use of personnel is affected, and comprises a bridge body, wherein the bridge body comprises a bridge floor, the lower surface of the bridge floor is symmetrically provided with piers, arc arched beams are arranged between the symmetrical piers, inclined strut steel frames are arranged between the upper surfaces of the arc arched beams and the lower surface of the bridge floor, the bridge floor can be reinforced by matching the arranged arc arched beams with the inclined strut steel frames, so that the bridge floor has good compression resistance and earthquake resistance effects, an L-shaped support frame can play a role of supporting the U-shaped steel frames, cement layers are filled above the arranged U-shaped steel frames, the cement layers are connected with the bridge floor, the bridge floor can be widened, meanwhile, two sides of the bridge floor can be reinforced, construction can be started from the bottom and two sides of the bridge body during construction, the long-time blocking of the road section is not needed, and the influence on the normal use of personnel for a long time is prevented.

Description

Reinforcing structure for bridge with enlarged cross section
Technical Field
The application relates to the technical field of bridge reinforcement, in particular to a reinforcing structure for a bridge with an enlarged cross section.
Background
The bridge is reinforced, namely the bearing capacity and the service performance of a member and even the whole structure are improved by certain measures so as to meet new requirements. Namely, the condition that the bridge cannot be used continuously is processed. The reinforcement is caused by poor bridge durability, aging, improper design or poor construction quality. After the bridge is reinforced, the service life of the bridge can be prolonged, the bridge can meet the requirement of traffic volume by using a small amount of capital investment, the centralization of bridge investment can be alleviated, and the loss of personnel and property caused by bridge collapse can be prevented and avoided. The reinforcing method mainly comprises upper structure reinforcing and lower structure reinforcing.
Current increase cross-section bridge reinforced structure sets up steel framework at original bridge outer wall, carries out concrete placement again, need carry out the blockade of longer time to the highway section when the construction, can influence personnel's normal use.
SUMMERY OF THE UTILITY MODEL
Need carry out the blockade of longer time to the highway section in order to improve bridge reinforcement construction, can influence personnel's normal use problem, this application provides an increase cross-section bridge reinforced structure.
The application provides an increase cross-section bridge reinforced structure adopts following technical scheme:
the utility model provides an increase cross-section bridge reinforced structure, includes the bridge body, the bridge body includes the bridge floor, the lower surface symmetry of bridge floor is provided with the pier, be provided with the arc arched girder between the pier of symmetry, be provided with the bracing steelframe between the upper surface of arc arched girder and the lower surface of bridge floor, the both sides of pier all are provided with L shape support frame, the upper surface of L shape support frame is provided with the U-shaped steelframe, the upper surface of U-shaped steelframe is provided with the cement layer.
Through adopting above-mentioned technical scheme, the bridge floor can be consolidated with the bracing steelframe cooperation to the arc arched girder, makes the bridge floor have good resistance to compression and antidetonation effect, fills the cement layer on the U-shaped steelframe, and the cement layer links to each other with the bridge floor, can widen the bridge floor, also can consolidate the both sides of bridge floor simultaneously, can begin the construction from the bottom and the both sides of bridge body during the construction, need not carry out long-time blockade to the highway section.
Optionally, the upper surface of bridge floor is provided with the steady rest through the support column, the inner wall of L shape support frame is provided with the gusset plate through consolidating the bolt.
Through adopting above-mentioned technical scheme, the support column bottom is the bridge floor, and the bottom of bridge floor is the pier, can make more firm of support column installation, can not increase the burden for the bridge floor in the middle of can, steady rest can directly hoist and mount on the support column when the installation, and the gusset plate can play the supporting role to L shape support frame, makes L shape support frame non-deformable when using.
Optionally, the U-shaped steel frame includes a U-shaped portion disposed on the upper surface of the L-shaped support frame, and mounting holes are uniformly formed in one side of the U-shaped portion away from the bridge deck.
Through adopting above-mentioned technical scheme, U-shaped steelframe and mounting hole be integrated into one piece, make more durable of U-shaped steelframe.
Optionally, the stabilizer frame includes the first hollow rectangular steel sheet that sets up at the support column upper surface, the upper surface of first hollow rectangular steel sheet is provided with the hollow rectangular steel sheet of second through consolidating the steelframe.
Through adopting above-mentioned technical scheme, the steady rest comprises first hollow rectangle steel sheet, reinforcement steelframe and the hollow rectangle steel sheet of second, also can reduce the windage of steady rest when can alleviateing the whole weight of steady rest.
Optionally, the reinforcing plate includes a rectangular plate, connecting plates are arranged at both ends of the rectangular plate, and the connecting plates are connected with the contact surface of the L-shaped support frame through reinforcing bolts.
By adopting the technical scheme, the rectangular plate is obliquely supported on the inner wall of the L-shaped support frame, so that the L-shaped support frame is not easy to deform.
Optionally, the inner wall of the mounting hole is provided with a positioning pile, one end of the positioning pile, which is far away from the U-shaped steel frame, is provided with a steel wire rope, and one end of the steel wire rope, which is far away from the positioning pile, is connected with the lower surface of the first hollow rectangular steel plate.
Through adopting above-mentioned technical scheme, the steady rest can produce the pulling force through wire rope and spud cooperation to the lateral wall of U-shaped steelframe, makes widening part U-shaped steelframe and the cement layer of bridge floor more firm when using.
In summary, the present application includes at least one of the following benefits:
1. the bridge deck can be reinforced by matching the arranged arc arched beams with the inclined strut steel frames, so that the bridge deck has good compression resistance and shock resistance effects, the L-shaped support frame can play a role of supporting the U-shaped steel frames, the cement layer is filled on the arranged U-shaped steel frames, the cement layer is connected with the bridge deck, the bridge deck can be widened, meanwhile, two sides of the bridge deck can be reinforced, construction can be started from the bottom and two sides of the bridge body during construction, and long-time blocking of a road section is not needed;
2. the bottom of each supporting column is a bridge deck, the bottom of each bridge deck is a pier, the supporting columns can be installed more stably, the middle bridge deck is not burdened, the stabilizing frames can be directly hoisted on the supporting columns when being installed, so that the time for blocking a road section is shortened, the arranged reinforcing plates can support the L-shaped supporting frames, and the L-shaped supporting frames are not prone to deformation when being used;
3. the steady rest is by first hollow rectangle steel sheet, consolidate the steelframe and the hollow rectangle steel sheet of second is constituteed, also can reduce the windage of steady rest when can alleviateing the whole weight of steady rest, the mounting hole that sets up can make things convenient for the installation of spud, the external diameter of spud and the internal diameter phase-match of mounting hole, make the steady rest can produce the pulling force through wire rope and spud cooperation to the lateral wall of U-shaped steelframe, make widened part U-shaped steelframe and the cement layer of bridge floor can be more firm when using.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural diagram of a bridge body according to the present embodiment;
FIG. 4 is a schematic structural view of the L-shaped supporting frame of the present embodiment;
FIG. 5 is a schematic view of the U-shaped steel frame structure of the present embodiment;
FIG. 6 is a schematic structural view of a reinforcing plate according to the present embodiment;
fig. 7 is a schematic structural view of the stabilizer of the present embodiment.
Description of reference numerals: 1. a bridge body; 101. a bridge deck; 102. a bridge pier; 103. an arc arched beam; 104. a diagonal bracing steel frame; 2. an L-shaped support frame; 3. reinforcing the bolt; 4. a reinforcing plate; 401. a rectangular plate; 402. a connecting plate; 5. a U-shaped steel frame; 501. a U-shaped portion; 502. mounting holes; 6. a support pillar; 7. a stabilizer frame; 701. a first hollow rectangular steel plate; 702. reinforcing a steel frame; 703. a second hollow rectangular steel plate; 8. a wire rope; 9. positioning the pile; 10. and (5) a cement layer.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
Example (b):
the embodiment of the application discloses a reinforcing structure of a bridge with an enlarged cross section, and referring to fig. 1, fig. 2 and fig. 3, the reinforcing structure of the bridge with the enlarged cross section comprises a bridge body 1, the bridge body 1 comprises a bridge deck 101, piers 102 are symmetrically arranged on the lower surface of the bridge deck 101, arc-shaped arched girders 103 are arranged between the symmetrical piers 102, diagonal bracing steel frames 104 are arranged between the upper surfaces of the arc-shaped arched girders 103 and the lower surface of the bridge deck 101, the bridge deck 101 can be reinforced by the arc-shaped arched girders 103 and the diagonal bracing steel frames 104 in a matching manner, so that the bridge deck 101 has good compression resistance and seismic resistance, L-shaped supporting frames 2 are arranged on both sides of the piers 102, U-shaped supporting frames 5 are arranged on the upper surfaces of the L-shaped supporting frames 2, the L-shaped supporting frames 2 can play a role of supporting the U-shaped steel frames 5, cement layers 10 are arranged on the upper surfaces of the U-shaped steel frames 5, the cement layers 10 are connected with the bridge deck 101, the bridge deck 101 can widen the bridge deck 101, and can also reinforce both sides of the bridge deck 101, during construction, construction can be started from the bottom and two sides of the bridge body 1, long-time blocking of the road section is not needed, and normal use of personnel is prevented from being influenced for a long time.
Referring to fig. 1 and 4, the upper surface of bridge floor 101 is provided with steadying frame 7 through support column 6, support column 6 bottom is bridge floor 101, the bottom of bridge floor 101 is pier 102, can make more firm of support column 6 installation, can not increase the burden for middle bridge floor 101, steadying frame 7 can directly hoist it on support column 6 when the installation, thereby reduce the time to the road section blockade, the inner wall of L shape support frame 2 is provided with reinforcing plate 4 through reinforcing bolt 3, reinforcing plate 4 can play the supporting role to L shape support frame 2, make L shape support frame 2 non-deformable when using.
Referring to fig. 2, 3 and 5, the U-shaped steel frame 5 includes a U-shaped portion 501 disposed on the upper surface of the L-shaped support frame 2, a mounting hole 502 is uniformly disposed on one side of the U-shaped portion 501 away from the bridge deck 101, and the U-shaped steel frame 5 and the mounting hole 502 are integrally formed, so that the U-shaped steel frame 5 is more durable.
Referring to fig. 1 and 7, the stabilizer 7 includes a first hollow rectangular steel plate 701 disposed on the upper surface of the support column 6, a second hollow rectangular steel plate 703 is disposed on the upper surface of the first hollow rectangular steel plate 701 through a reinforcing steel frame 702, and the stabilizer 7 is composed of the first hollow rectangular steel plate 701, the reinforcing steel frame 702 and the second hollow rectangular steel plate 703, so that the overall weight of the stabilizer 7 can be reduced, and the wind resistance of the stabilizer 7 can also be reduced.
Referring to fig. 6, gusset plate 4 includes rectangular plate 401, and rectangular plate 401's both ends all are provided with connecting plate 402, and connecting plate 402 is tied 3 through consolidating with the contact surface of L shape support frame 2 and is connected, and rectangular plate 401 inclined support makes L shape support frame 2 non-deformable at the inner wall of L shape support frame 2, opens threaded hole on the connecting plate 402, and the internal diameter of threaded hole and the external diameter phase-match of consolidating and tying 3 can be convenient for install and consolidate and tie 3.
Referring to fig. 1, 2 and 5, the inner wall of the mounting hole 502 is provided with a positioning pile 9, the outer diameter of the positioning pile 9 is matched with the inner diameter of the mounting hole 502, the mounting hole 502 can facilitate the installation of the positioning pile 9, one end, far away from the U-shaped steel frame 5, of the positioning pile 9 is provided with a steel wire rope 8, one end, far away from the positioning pile 9, of the steel wire rope 8 is connected with the lower surface of a first hollow rectangular steel plate 701, a stabilizing frame 7 can generate pulling force on the side wall of the U-shaped steel frame 5 through the cooperation of the steel wire rope 8 and the positioning pile 9, and the widened part of the bridge deck 101, namely the U-shaped steel frame 5 and a cement layer 10 can be more stable when in use.
The implementation principle of the reinforced structure of the bridge with the enlarged cross section is as follows:
bridge floor 101 can be consolidated with bracing steelframe 104 cooperation to the arc arched girder 103 that sets up, make bridge floor 101 have good resistance to compression and antidetonation effect, L shape support frame 2 can play the effect of supporting U-shaped steelframe 5, fill cement layer 10 above the U-shaped steelframe 5, make cement layer 10 link to each other with bridge floor 101, can widen bridge floor 101, the both sides of bridge floor 101 also can be consolidated simultaneously, can begin to be under construction from the bottom and both sides of bridge body 1 during the construction, need not carry out long-time blockade to the highway section, prevent that the meeting from influencing personnel's normal use for a long time.
The support column 6 bottom that sets up is bridge floor 101, and the bottom of bridge floor 101 is pier 102, can make more firm of support column 6 installation, can not increase the burden for middle bridge floor 101, and stabilizer 7 can directly hoist it on support column 6 when the installation to the reduction is to the time of road segment blockade, and gusset plate 4 can play the supporting role to L shape support frame 2, makes L shape support frame 2 non-deformable when using.
The stabilizing frame 7 is composed of a first hollow rectangular steel plate 701, a reinforcing steel frame 702 and a second hollow rectangular steel plate 703, the wind resistance of the stabilizing frame 7 can be reduced while the whole weight of the stabilizing frame 7 can be reduced, and the stabilizing frame 7 can generate pulling force on the side wall of the U-shaped steel frame 5 through the matching of the steel wire rope 8 and the positioning pile 9, so that the widened part of the bridge deck 101, namely the U-shaped steel frame 5 and the cement layer 10 can be more stable in use.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (6)

1. An enlarged cross-section bridge reinforcing structure, comprising:
the bridge comprises a bridge body (1), wherein the bridge body (1) comprises a bridge deck (101), piers (102) are symmetrically arranged on the lower surface of the bridge deck (101), arc-shaped arched girders (103) are arranged between the symmetrical piers (102), and diagonal bracing steel frames (104) are arranged between the upper surface of the arc-shaped arched girders (103) and the lower surface of the bridge deck (101);
the bridge pier is characterized in that L-shaped support frames (2) are arranged on two sides of the bridge pier (102), a U-shaped steel frame (5) is arranged on the upper surface of each L-shaped support frame (2), and a cement layer (10) is arranged on the upper surface of each U-shaped steel frame (5).
2. The reinforcing structure for bridges with enlarged sections of claim 1, wherein: the upper surface of bridge floor (101) is provided with stabilizer (7) through support column (6), the inner wall of L shape support frame (2) is provided with gusset plate (4) through reinforcing bolt (3).
3. The reinforcing structure for bridges with enlarged sections of claim 1, wherein: the U-shaped steel frame (5) comprises a U-shaped part (501) arranged on the upper surface of the L-shaped support frame (2), and mounting holes (502) are uniformly formed in one side, far away from the bridge deck (101), of the U-shaped part (501).
4. The reinforcing structure for bridges with enlarged sections of claim 2, wherein: the stabilizing frame (7) comprises a first hollow rectangular steel plate (701) arranged on the upper surface of the supporting column (6), and a second hollow rectangular steel plate (703) is arranged on the upper surface of the first hollow rectangular steel plate (701) through a reinforcing steel frame (702).
5. The reinforcing structure for bridges with enlarged sections of claim 2, wherein: the reinforcing plate (4) comprises a rectangular plate (401), connecting plates (402) are arranged at two ends of the rectangular plate (401), and the connecting plates (402) are connected with the contact surface of the L-shaped support frame (2) through reinforcing bolts (3).
6. The reinforcing structure for bridges with enlarged sections of claim 3, wherein: the inner wall of mounting hole (502) is provided with spud (9), the one end that U-shaped steelframe (5) were kept away from in spud (9) is provided with wire rope (8), wire rope (8) are kept away from the one end of spud (9) and are connected with the lower surface of first hollow rectangle steel sheet (701).
CN202122057892.7U 2021-08-28 2021-08-28 Reinforcing structure for bridge with enlarged cross section Active CN215441411U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122057892.7U CN215441411U (en) 2021-08-28 2021-08-28 Reinforcing structure for bridge with enlarged cross section

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122057892.7U CN215441411U (en) 2021-08-28 2021-08-28 Reinforcing structure for bridge with enlarged cross section

Publications (1)

Publication Number Publication Date
CN215441411U true CN215441411U (en) 2022-01-07

Family

ID=79697115

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122057892.7U Active CN215441411U (en) 2021-08-28 2021-08-28 Reinforcing structure for bridge with enlarged cross section

Country Status (1)

Country Link
CN (1) CN215441411U (en)

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