A bridge with widened and reinforced structure and construction method

Abstract

The present invention relates to the technical field of bridge engineering, specifically to a bridge with a widened and reinforced structure and a construction method, comprising an intermediate connecting beam column, both ends of the intermediate connecting beam column are fixedly connected with a concrete precast beam, the upper surface of the concrete precast beam is fixedly connected with a bridge deck, one end of the concrete precast beam is fixedly connected with a tie rod, one end of the tie rod is fixedly connected with a hanger, and the top of the hanger is fixedly connected with a suspension rib. The present invention connects the widened bridge at both ends of the bridge body through the intermediate connecting beam column, so that the widened bridge supports the bridge body through the tension at both ends, the pressure borne by the bridge body is detected in real time through the pressure detection sheet, and the electromagnetic induction component and the magnetic block are controlled to support the suspension rib through magnetic repulsion, thereby enhancing the bearing capacity of the suspension rib, strengthening the force range of the widened bridge, and improving the supporting strength of the widened bridge.

Description

Technical Field

[0001] The invention relates to the technical field of bridge engineering, and in particular to a bridge with a widened and reinforced structure and a construction method. Background Art

[0002] Bridges are important connecting structures that ensure traffic on both sides of rivers, valleys and other terrains. With the rapid development of my country's economy and the rapid growth of car ownership, the traffic capacity of bridges built in the early days has become increasingly saturated, and some bridges can no longer meet the growing demand for traffic. However, due to the high cost of reconstruction and traffic obstruction, it has become an urgent task to renovate and expand these bridges to improve their traffic capacity.

[0003] In view of the above problems, a bridge with a widened and reinforced structure and a construction method are proposed. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a bridge with a widened and reinforced structure and a construction method, which has the advantages of increasing the width of the bridge and ensuring the supporting strength of the bridge, thereby solving the problem of weak bridge traffic capacity.

[0005] The present invention is achieved in this way. It provides a bridge with a widened and reinforced structure, including a bridge body, wherein both ends of the bridge body are fixedly connected with arch ribs, the bottom of the bridge body is fixedly connected with an intermediate connecting beam column, both ends of the intermediate connecting beam column are fixedly connected with a precast concrete beam, the upper surface of the precast concrete beam is fixedly connected with a bridge deck, the end of the precast concrete beam away from the intermediate connecting beam column is fixedly connected with a tie rod, the end of the tie rod away from the precast concrete beam is fixedly connected with a hanger, the top of the hanger is fixedly connected with a suspension rib, the suspension rib is fixedly connected with a suspension sling, the other end of the suspension sling is fixedly connected to the bridge body, the upper end of the arch rib is fixedly connected with a connecting sling, the other end of the connecting sling is fixedly connected to a side platform, and the bottom of the side platform is fixedly connected to the precast concrete beam.

[0006] Preferably, a pressure detection plate is fixedly installed inside the middle connecting beam column, and the pressure detection plate signal is connected to an electromagnetic induction component. A magnetic block is arranged above the electromagnetic induction component, and the electromagnetic induction component and the magnetic block are both located inside the suspension rib, and the electromagnetic induction component and the magnetic block do not contact each other. The middle connecting beam column and the precast concrete beam are fixedly connected by a plurality of steel bars, and a plurality of through slots are opened inside the middle connecting beam column and the precast concrete beam, and the steel bars are installed in the through slots.

[0007] Further preferably, a fixing groove matched with the bridge deck is provided on the upper surface of the precast concrete beam, and a connecting groove matched with the tie rod is provided at one end of the precast concrete beam.

[0008] Further preferably, the tie rod is provided with a plurality of grooves matched with the hanger rod at one end away from the precast concrete beam, and the suspension rib comprises a plurality of support columns and rib plates, the bottoms of a plurality of the support columns are fixedly connected to the side platform, the upper ends of a plurality of the support columns are movably connected with the rib plates, the bottoms of the rib plates are provided with a plurality of connecting columns matched with the support columns, the electromagnetic induction components are fixedly installed inside the support columns, and the lower ends of the connecting columns at the bottom of the rib plates are fixedly connected to the magnetic blocks.

[0009] Further preferably, a pressure sensor is provided inside the pressure detection sheet, the pressure detection sheet and the electromagnetic induction component are signal-connected to a central control system, and a display screen is provided inside the central control system.

[0010] The present invention also provides a construction method of a bridge provided with a widened and reinforced structure, comprising the following steps:

[0011] 1) connecting the intermediate connecting beam column and the precast concrete beam by means of steel bars penetrating the two, and pouring concrete along the through holes of the steel bars so that the intermediate connecting beam column and the precast concrete beam form an integrated structure;

[0012] 2) The connected middle connecting beam and precast concrete beam are moved to the bottom of the bridge body by a crane, so that the middle connecting beam crosses the lower end of the bridge body, and the middle connecting beam and the bridge body are welded and concrete is poured, so that the middle connecting beam and the bridge body are connected into an integrated structure, and a space for installing a pressure detection plate is provided between the middle connecting beam and the bridge body, and a pressure detection plate is provided inside;

[0013] 3) Fix the side platform to one end of the precast concrete beam by welding, cast and bury the tie rod and the precast concrete beam, and fix the hanger rod and the tie rod by bolts penetrating the hanger rod and the tie rod;

[0014] 4) Weld and fix the two ends of the connecting sling to the arch rib and the side platform respectively, and weld the bottom of the hanging rib to the top of the side platform;

[0015] 5) Install the electromagnetic induction assembly and the magnetic block inside the suspension rib, weld and fix the top of the hanger rod and the top of the suspension rib, and weld and fix the two ends of the suspension sling to the bridge body and the suspension rib respectively;

[0016] 6) The electromagnetic induction component is energized through the central control system to generate magnetic poles with the same magnetic properties as the magnetic block, and the suspension ribs are supported by the repulsion of like poles.

[0017] Compared with the prior art, the present invention provides a bridge with a widened and reinforced structure and a construction method, which has the following beneficial effects:

[0018] The widened bridge and the bridge body are suspended and connected respectively through the connecting slings and the suspension slings connected by the arch ribs and the suspension ribs, so that the bridge body and the widened bridge exert tension on each other, and the gravity borne by the bridge is increased by the tension. At the same time, the widened bridges at both ends of the bridge body are connected through the middle connecting beams, so that the widened bridge supports the bridge body through the tension at both ends. The pressure borne by the bridge body is detected in real time through the pressure detection plate, and the electromagnetic induction component and the magnetic block are controlled to support the suspension ribs through magnetic repulsion, thereby enhancing the bearing capacity of the suspension ribs, strengthening the force range of the widened bridge, and improving the supporting strength of the widened bridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the first viewing angle structure proposed by the present invention;

[0020] Figure 2 This is a schematic diagram of the second viewing angle structure proposed by the present invention;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure proposed by the present invention.

[0022] In the figure: 1-bridge body, 2-middle connecting beam column, 3-precast concrete beam, 4-bridge deck, 5-tie rod, 6-suspender rod, 7-suspension rib, 71-support column, 72-rib plate, 8-suspension sling, 9-connecting sling, 10-side platform, 11-pressure detection plate, 12-electromagnetic induction component, 13-magnetic block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figure 1-3The present invention provides a bridge with a widened and reinforced structure and a construction method, comprising a bridge body 1, arch ribs are fixedly connected at both ends of the bridge body 1, an intermediate connecting beam column 2 is fixedly connected at the bottom of the bridge body 1, precast concrete beams 3 are fixedly connected at both ends of the intermediate connecting beam column 2, a bridge deck 4 is fixedly connected to the upper surface of the precast concrete beam 3, a tie rod 5 is fixedly connected to one end of the precast concrete beam 3 away from the intermediate connecting beam column 2, a hanger rod 6 is fixedly connected to one end of the tie rod 5, a suspension rod 6 is fixedly connected to the top of the suspension rod 6, and a suspension rib 7 is fixedly connected to one end of the suspension rib 7. There is a suspension cable 8, one end of the suspension cable 8 is fixedly connected to the bridge body 1, one end of the arch rib is fixedly connected to a connecting cable 9, the other end of the connecting cable 9 is fixedly connected to a side platform 10, the bottom of the side platform 10 is fixedly connected to the precast concrete beam 3, and the widening structure of the bridge is formed by the intermediate connecting beam column 2, the precast concrete beam 3, the bridge deck 4, the tie rod 5, the hanger 6, the suspension rib 7, the suspension cable 8, the connecting cable 9 and the side platform 10, and is connected to the bridge body 1, so that the bridge body 1 and the widening structure exert force on each other to form an integrated supporting structure.

[0025] A pressure detection piece 11 is fixedly installed inside the middle connecting beam column 3, and the pressure detection piece 11 is signal-connected to an electromagnetic induction component 12. A magnetic block 13 is arranged above the electromagnetic induction component 12. The electromagnetic induction component 12 and the magnetic block 13 are both located inside the suspension rib 7, and the electromagnetic induction component 12 and the magnetic block 13 do not contact each other. The change in the spacing between the electromagnetic induction component 12 and the magnetic block 13 does not affect the overall structure of the bridge, and the bridge is supported only by the action of force. The suspension rib 7 is divided into two parts for support through the interaction between the electromagnetic induction component 12 and the magnetic block 13, and the two parts of the suspension rib 7 do not contact each other, thereby reducing the pressure borne on the top of the suspension rib 7 and directly acting on the widened bridge structure. The pressure borne on the suspension rib 7 is transmitted by the magnetic force, so that the pressure can be adjusted in real time by the pressure detection piece 11 during the transmission process to ensure the flatness of the force and enhance the stability of the bridge.

[0026] A detection notch matched with the pressure detection plate 11 is arranged between the middle connecting beam column 2 and the bridge body 1, the middle connecting beam column 2 and the concrete precast beam 3 are fixedly connected by a plurality of steel bars, a plurality of through slots are provided inside the middle connecting beam column 2 and the concrete precast beam 3, a fixing slot matched with the bridge deck 4 is provided on the upper surface of the concrete precast beam 3, a connection slot matched with the tie rod 5 is provided in the middle of one end of the concrete precast beam 3, and a connection slot matched with the side platform 1 is provided on the top of one end of the concrete precast beam 3 0, one end of the tie rod 5 is provided with a plurality of notches matched with the hanger rod 6, the hanging rib 7 includes a plurality of support columns 71 and rib plates 72, the bottoms of the plurality of support columns 71 are fixedly connected to the side platform 10, the interiors of the plurality of support columns 71 are movably connected with the rib plates 72, the bottoms of the rib plates 72 are provided with a plurality of connecting columns matched with the support columns 71, the interiors of the support columns 71 are fixedly installed with an electromagnetic induction component 12, and the interiors of the connecting columns at the bottom of the rib plates 72 are fixedly connected with a magnetic block 13.

[0027] A pressure sensor is arranged inside the pressure detection piece 11. The signals of the pressure detection piece 11 and the electromagnetic induction component 12 are connected to a central control system. A display screen is arranged inside the central control system. The pressure reduction detected by the pressure detection piece 11 is displayed and observed through the display screen, and the current inside the electromagnetic induction component 12 is adjusted according to the detected pressure change, so that the magnetic force between the electromagnetic induction component 12 and the magnetic block 13 can adapt to the load-bearing change of the bridge to ensure the stability of the bridge. The central control system is arranged inside the monitoring room, and staff are arranged to conduct safe management and maintenance of the operation of the bridge.

[0028] A method for constructing a bridge provided with a widened and reinforced structure comprises the following steps:

[0029] 1) connecting the intermediate connecting beam column and the precast concrete beam by means of steel bars penetrating the two, and pouring concrete along the through holes of the steel bars so that the intermediate connecting beam column and the precast concrete beam form an integrated structure;

[0030] 2) The connected middle connecting beam and precast concrete beam are moved to the bottom of the bridge body by a crane, so that the middle connecting beam crosses the lower end of the bridge body, and the middle connecting beam and the bridge body are welded and concrete is poured, so that the middle connecting beam and the bridge body are connected into an integrated structure, and a space for installing a pressure detection plate is provided between the middle connecting beam and the bridge body, and a pressure detection plate is provided inside;

[0031] 3) Fix the side platform to one end of the precast concrete beam by welding, cast and bury the tie rod and the precast concrete beam, and fix the hanger rod and the tie rod by bolts penetrating the hanger rod and the tie rod;

[0032] 4) Weld and fix the two ends of the connecting sling to the arch rib and the side platform respectively, and weld the bottom of the hanging rib to the top of the side platform;

[0033] 5) Install the electromagnetic induction assembly and the magnetic block inside the suspension rib, weld and fix the top of the hanger rod and the top of the suspension rib, and weld and fix the two ends of the suspension sling to the bridge body and the suspension rib respectively;

[0034] 6) The electromagnetic induction component is energized through the central control system to generate magnetic poles with the same magnetic properties as the magnetic block, and the suspension ribs are supported by the repulsion of like poles.

[0035] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0036] In summary, the bridge with a widened and reinforced structure and the construction method, respectively suspend and connect the widened bridge and the bridge body 1 through the connecting slings 9 and the suspension slings 8 connected by the arch ribs and the suspension ribs 7, so that the bridge body 1 and the widened bridge exert tension on each other, and the gravity borne by the bridge is increased by the tension. At the same time, the widened bridges at both ends of the bridge body 1 are connected through the intermediate connecting beam 2, so that the widened bridge supports the bridge body through the tension at both ends, and the pressure borne by the bridge body 1 is detected in real time through the pressure detection plate 11, and the electromagnetic induction component 12 and the magnetic block 13 are controlled to support the suspension rib 7 through magnetic repulsion, thereby enhancing the bearing capacity of the suspension rib 7, strengthening the force range of the widened bridge, and improving the supporting strength of the widened bridge.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bridge with a widened and reinforced structure, Features: The invention comprises a bridge body (1), wherein both ends of the bridge body (1) are fixedly connected to arch ribs, the bottom of the bridge body (1) is fixedly connected to an intermediate connecting beam column (2), both ends of the intermediate connecting beam column (2) are fixedly connected to a precast concrete beam (3), the upper surface of the precast concrete beam (3) is fixedly connected to a bridge deck (4), one end of the precast concrete beam (3) away from the intermediate connecting beam column (2) is fixedly connected to a tie rod (5), one end of the tie rod (5) away from the precast concrete beam (3) is fixedly connected to a suspender rod (6), the top end of the suspender rod (6) is fixedly connected to a suspension rib (7), a suspension sling (8) is fixedly connected to the suspension rib (7), the other end of the suspension sling (8) is fixedly connected to the bridge body (1), the upper end of the arch rib is fixedly connected to a connecting sling (9), the other end of the connecting sling (9) is fixedly connected to a side platform (10), and the bottom of the side platform (10) is fixedly connected to the precast concrete beam (3); A pressure detection sheet (11) is fixedly installed inside the intermediate connecting beam column (2), the pressure detection sheet (11) is signal-connected to an electromagnetic induction component (12), a magnetic block (13) is arranged above the electromagnetic induction component (12), the electromagnetic induction component (12) and the magnetic block (13) are both located inside the suspension rib (7), the electromagnetic induction component (12) and the magnetic block (13) do not contact each other, the intermediate connecting beam column (2) and the precast concrete beam (3) are fixedly connected via a plurality of steel bars, a plurality of through slots are provided inside the intermediate connecting beam column (2) and the precast concrete beam (3), and the steel bars are installed in the through slots.

2. A bridge with a widened and reinforced structure according to claim 1, Features: A fixing groove matching the bridge deck (4) is provided on the upper surface of the precast concrete beam (3), and a connecting groove matching the tie rod (5) is provided at one end of the precast concrete beam (3).

3. A bridge with a widened and reinforced structure according to claim 1, Features: The tie rod (5) is provided with a plurality of slots matched with the suspension rod (6) at one end away from the precast concrete beam (3); the suspension rib (7) comprises a plurality of support columns (71) and rib plates (72); the bottoms of a plurality of the support columns (71) are fixedly connected to the side platform (10); the upper ends of a plurality of the support columns (71) are internally movably connected with the rib plates (72); the bottoms of the rib plates (72) are provided with a plurality of connecting columns matched with the support columns (71); the electromagnetic induction components (12) are fixedly installed inside the support columns (71); and the lower ends of the connecting columns at the bottom of the rib plates (72) are fixedly connected to the magnetic blocks (13).

4. A bridge with a widened and reinforced structure according to claim 3, Features: A pressure sensor is arranged inside the pressure detection sheet (11), the pressure detection sheet (11) and the electromagnetic induction component (12) are signal-connected to a central control system, and a display screen is arranged inside the central control system.

5. A construction method for a bridge provided with a widened and reinforced structure according to any one of claims 1 to 4, It is characterized in that The following steps are involved: 1) connecting the intermediate connecting beam column (2) and the precast concrete beam (3) by means of steel bars penetrating the two, and pouring concrete along the through holes of the steel bars so that the intermediate connecting beam column (2) and the precast concrete beam (3) form an integrated structure; 2) moving the connected intermediate connecting beam column (2) and the precast concrete beam (3) to the bottom of the bridge body (1) by means of a crane, so that the intermediate connecting beam column (2) crosses the lower end of the bridge body (1), welding the intermediate connecting beam column (2) and the bridge body (1) and pouring concrete, so that the intermediate connecting beam column (2) and the bridge body (1) are connected to form an integrated structure, and a space for installing a pressure detection plate (11) is provided between the intermediate connecting beam column (2) and the bridge body (1), and a pressure detection plate (11) is provided inside the space; 3) fixing the side platform (10) to one end of the precast concrete beam (3) by welding, casting and burying the tie rod (5) and the precast concrete beam (3), and fixing the hanger rod (6) and the tie rod (5) by bolts penetrating the hanger rod (6) and the tie rod (5); 4) The two ends of the connecting sling (9) are respectively welded to the arch rib and the side platform (10), and the bottom of the hanging rib (7) is welded to the top of the side platform (10); 5) installing the electromagnetic induction assembly (12) and the magnetic block (13) inside the suspension rib (7), welding and fixing the top end of the suspension rod (6) and the top end of the suspension rib (7), and welding and fixing the two ends of the suspension sling (8) to the bridge body (1) and the suspension rib (7) respectively; 6) The electromagnetic induction component (12) is energized through the central control system to generate magnetic poles with the same magnetic properties as the magnetic block (13), thereby supporting the suspension rib (7) through the repulsion of like poles.

Images