Large-span navigation hole trestle

Abstract

The utility model discloses a large-span navigation hole trestle which comprises two straight approach bridges, a navigation section bridge, a slope section bridge and supporting steel pipe piles, and the two straight approach bridges are located on the two sides of the water surface respectively. The navigation segment bridge is located in the middle of the water surface; the straight approach bridges at the two ends are respectively connected with the two ends of the navigation section bridge through the slope section bridge which is gradually inclined upwards; the thickness of the slope section bridge is larger than that of the straight approach bridge, and the thickness of the navigation section bridge surface is larger than that of the slope section bridge surface; a plurality of sets of supporting steel pipe piles are arranged, each set of supporting steel pipe piles comprises two parallel supporting steel pipe piles, and the multiple sets of supporting steel pipe piles are sequentially supported below the straight approach bridge, the navigation section bridge and the slope section bridge. The large-span navigation hole trestle is arranged on the water and can meet the requirements of navigation and vehicle operation at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge technical field, concretely relates to a big span navigable hole trestle. BACKGROUND

[0002] The trestle is like the bridge building, station, port, mine or factory, is used for loading and unloading goods or up and down passenger or is used for construction site traffic, mechanical arrangement and overhead operation's temporary bridge type structure. In civil engineering, the temporary bridge facility is built for transporting material, equipment, personnel and is divided into wood trestle and steel trestle according to the material used.

[0003] The main reason of building trestle in the process of bridge construction is to guarantee the safety of construction personnel, improve construction efficiency, facilitate material transportation and serve as temporary construction passage.

[0004] In the existing navigable trestle, most of the span is relatively small, generally 9m, 12m, 15m etc., but due to the construction process, in order not to hinder the operation of the ship, the span of the existing most trestle cannot meet the requirements. In addition, in order to meet the navigation requirements, part of the trestle is separated into left and right two parts, but this kind of setting cannot meet the operation of construction vehicles and related materials. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model solves the technical problem to provide a big span navigable hole trestle, which is arranged on water and can meet the requirements of large span navigation and vehicle operation.

[0006] In order to achieve the above purpose, the utility model is implemented by the following technical scheme: a big span navigable hole trestle, comprising:

[0007] Straight approach bridge, two sections, two sections The straight approach bridge is located on both sides of the water surface respectively;

[0008] Navigable section bridge, located in the middle of the water surface;

[0009] Slope section bridge, two sections, two sections The straight approach bridge is connected with the two ends of the navigable section bridge through the gradually upward inclined slope section bridge respectively; The thickness of the slope section bridge is greater than the thickness of the straight approach bridge, and the thickness of the surface of the navigable section bridge is greater than the thickness of the surface of the slope section bridge; and

[0010] Support steel pipe pile, multiple groups, each group The support steel pipe pile comprises two parallelly arranged support steel pipe piles, and multiple groups The support steel pipe piles are sequentially supported under the straight approach bridge, the navigable section bridge and the slope section bridge.

[0011] Further, the anti-collision piers are provided in front of and behind the support steel pipe piles at the joint of the straight approach bridge and the ramped section bridge.

[0012] Further, each group of the support steel pipe piles further comprises horizontal connecting steel pipes and diagonal supporting steel pipes, the horizontal connecting steel pipes are connected between two support steel pipe piles in a horizontal direction, and the diagonal supporting steel pipes are connected between two support steel pipe piles in a cross shape.

[0013] Further, the top of the support steel pipe pile is provided with an arc-shaped connecting plate which is fixedly connected with the corresponding straight approach bridge, navigation section bridge and ramped section bridge.

[0014] Further, the top of the support steel pipe pile is provided with a plurality of support reinforcing ribs which are arranged in a circumferential direction and are supported on the bottom of the straight approach bridge, navigation section bridge and ramped section bridge.

[0015] Further, the bottom of the support steel pipe pile is provided with a pile tip reinforcing sleeve.

[0016] Further, the straight approach bridge comprises, from top to bottom, a UHPC panel, a straight section longitudinal beam and a straight section main cross beam, and the support steel pipe pile is supported on the bottom of the straight section main cross beam.

[0017] Further, the ramped section bridge comprises, from top to bottom, a ramped section thick pattern steel plate, a ramped section transverse distribution beam, a ramped section longitudinal beam and a ramped section main cross beam, and the support steel pipe pile is supported on the bottom of the ramped section main cross beam.

[0018] Further, the navigation section bridge comprises, from top to bottom, a navigation section thick pattern steel plate, a navigation section transverse distribution beam, a navigation section longitudinal beam and a navigation section main cross beam, and the support steel pipe pile is supported on the bottom of the navigation section main cross beam, the overall width of the navigation section longitudinal beam is greater than the width of the straight section longitudinal beam and the ramped section longitudinal beam, and the chord thickness of the upper and lower sides of the ramped section longitudinal beam is greater than the chord thickness of the upper and lower sides of the straight section longitudinal beam and the ramped section longitudinal beam.

[0019] The utility model discloses the beneficial effects of:

[0020] The large-span navigable hole trestle bridge comprises straight approach bridges, a navigable section bridge, slope section bridges and support steel pipe piles, the straight approach bridges are two sections, the two straight approach bridges are respectively located on two sides of the water surface, the navigable section bridge is located in the middle of the water surface, the slope section bridges are two sections, the two straight approach bridges are respectively connected with two ends of the navigable section bridge through the slope section bridges which are gradually inclined upwards, the thickness of the slope section bridges is greater than the thickness of the straight approach bridges, the thickness of the surface of the navigable section bridge is greater than the thickness of the surface of the slope section bridges, and the support steel pipe piles are multiple groups, each group of the support steel pipe piles comprises two support steel pipe piles which are arranged in parallel, and the multiple groups of the support steel pipe piles are sequentially supported below the straight approach bridges, the navigable section bridge and the slope section bridges.

[0021] The thick patterned steel plate and the reinforced Bailey piece are adopted, so that the support force and the stability of the entire navigable section bridge are greatly improved, and large-span navigation is realized. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the specific embodiments of the present application, the drawings used in the specific embodiments will be briefly introduced. In all the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0023] Figure 1 A large-span navigable hole trestle bridge according to an embodiment of the present application is shown in the figure;

[0024] Figure 2 A side view of the straight section longitudinal beam and the slope section bridge of the large-span navigable hole trestle bridge shown in the figure; Figure 1

[0025] A side view of the navigable section bridge and the slope section bridge of the large-span navigable hole trestle bridge shown in the figure; Figure 3 Figure 1 A cross-sectional view of the straight approach bridge of the large-span navigable hole trestle bridge shown in the figure;

[0026] Figure 4 Figure 1 A cross-sectional view of the slope section bridge of the large-span navigable hole trestle bridge shown in the figure;

[0027] Figure 5 A cross-sectional view of the slope section bridge of the large-span navigable hole trestle bridge shown in the figure; Figure 1

[0028] A cross-sectional view of the slope section bridge of the large-span navigable hole trestle bridge shown in the figure; Figure 6 Figure 1 A cross-sectional view of the slope section bridge of the large-span navigable hole trestle bridge shown in the figure;

[0029] Figure 7 Figure 1 ​​​​The schematic view of the arc-shaped connecting plate in the large-span navigable hole trestle (a is a front view, and b is a sectional view) ;

[0030] Figure 8 For Figure 1 The schematic view of the support reinforcing rib in the large-span navigable hole trestle is shown in the figure;

[0031] Figure 9 For Figure 1 The schematic view of the pile tip reinforcing sleeve in the large-span navigable hole trestle is shown in the figure;

[0032] Reference signs:

[0033] 100, straight approach bridge;110, UHPC panel;120, straight section longitudinal beam;130, straight section main cross beam;200, navigable section bridge;210, sloping section thick pattern steel plate;220, sloping section transverse distribution beam;230, sloping section longitudinal beam;240, sloping section main cross beam;300, sloping section bridge;310, navigable section thick pattern steel plate;320, navigable section transverse distribution beam;330, navigable section longitudinal beam;340, navigable section main cross beam;400, support steel pipe pile;410, horizontal steel pipe;420, inclined bracing steel pipe;430, arc-shaped connecting plate;440, support reinforcing rib;450, pile tip reinforcing sleeve. DETAILED DESCRIPTION

[0034] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below in conjunction with the drawings. In the following description, a large number of specific details are set forth in order to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the scope of the present application, so the present application is not limited to the specific implementation disclosed below.

[0035] Please see Figures 1 to 9 The utility model provides a kind of large-span navigable hole trestle, including straight approach bridge 100, navigable section bridge 200, sloping section bridge 300 and support steel pipe pile 400.

[0036] Specifically, straight approach bridge 100 has two sections, and the two sections of straight approach bridge 100 are located on the two sides of water surface respectively. Straight approach bridge 100 includes UHPC panel 110, straight section longitudinal beam 120 and straight section main cross beam 130 arranged in sequence from top to bottom. Support steel pipe pile 400 is supported at the bottom of straight section main cross beam 130.

[0037] In specific implementation. UHPC panel 110 can adopt prefabricated mode, and the size of panel is: 8m×2m×0.1m, straight section longitudinal beam 120 adopts standard 321 type bailey piece, and straight section main cross beam 130 can adopt 2I56 main cross beam.

[0038] The navigation section bridge 200 is located in the middle of the water surface. The ramp section bridge 300 has two sections, and the two straight approach bridges 100 are connected to the two ends of the navigation section bridge 200 through the gradually upwardly inclined ramp section bridge 300. The thickness of the navigation section bridge 200 is greater than the thickness of the straight approach bridge 100 and the ramp section bridge 300.

[0039] Specifically, the ramp section bridge 300 includes, from top to bottom, a ramp section thick-ribbed steel plate 210, a ramp section transverse distribution beam 220, a ramp section longitudinal beam 230, and a ramp section main cross beam 240. The support steel pipe pile 400 is supported at the bottom of the ramp section main cross beam 240.

[0040] In specific implementation, the thickness of the thick-ribbed steel plate can be 10 mm. By thickening the thick-ribbed steel plate, the bearing capacity and stability of the entire ramp section bridge 300 can be improved. The ramp section transverse distribution beam 220 can be selected as an I25a transverse distribution beam. The ramp section longitudinal beam 230 can also be selected as a standard 321 type standard Bailey piece. The ramp section main cross beam 240 can be a 2I56 main cross beam.

[0041] The navigation section bridge 200 includes, from top to bottom, a navigation section thick-ribbed steel plate 310, a navigation section transverse distribution beam 320, a navigation section longitudinal beam 330, and a navigation section main cross beam 340. The support steel pipe pile 400 is supported at the bottom of the navigation section main cross beam 340, the overall width of the navigation section longitudinal beam 330 is greater than the width of the straight section longitudinal beam 120 and the ramp section longitudinal beam 230, and the thickness of the chord on the upper and lower sides of the ramp section longitudinal beam 230 is greater than the thickness of the chord on the upper and lower sides of the straight section longitudinal beam 120 and the ramp section longitudinal beam 230.

[0042] In specific implementation, the thickness of the navigation section thick-ribbed steel plate 310 can be 10 mm. Similarly, by thickening the thick-ribbed steel plate, the bearing capacity and stability of the entire navigation section can be improved. The navigation section transverse distribution beam 320 can be selected as an I25a transverse distribution beam. The navigation section longitudinal beam 330 can be selected as a reinforced Bailey piece. The overall width of the reinforced Bailey piece is greater than the width of the straight section standard Bailey piece and the ramp section standard Bailey piece, and the thickness of the chord on the upper and lower sides of the reinforced Bailey piece is greater than the thickness of the support rod on the upper and lower sides of the straight section standard Bailey piece and the ramp section standard Bailey piece. By using the reinforced Bailey piece, the support force and stability of the entire navigation section bridge 200 can be further improved. The navigation section main cross beam 340 can be selected as an I25a transverse distribution beam.

[0043] By using such a navigation section bridge 200, the support force and stability of the entire navigation section bridge 200 can be greatly improved due to the use of thick-ribbed steel plates and reinforced Bailey pieces. Thus, large-span navigation is achieved. Generally, the span of the navigation section bridge 200 can reach 45 meters. At the same time, the left and right sides of the water surface are connected, which can meet the requirements of vehicle passage and material transportation during construction.

[0044] In the embodiment, the support steel pipe piles 400 are in multiple groups, each group of the support steel pipe piles 400 includes two support steel pipe piles 400 arranged in parallel, and the multiple groups of the support steel pipe piles 400 are sequentially supported under the straight approach bridge 100, the navigable section bridge 200 and the ramp section bridge 300.

[0045] In order to improve the support force of the support steel pipe piles 400, each group of the support steel pipe piles 400 further includes a horizontal connecting steel pipe 410 and an inclined supporting steel pipe 420. The horizontal connecting steel pipe 410 is transversely connected between the two support steel pipe piles 400, and the inclined supporting steel pipe 420 is cross-shaped connected between the two support steel pipe piles 400.

[0046] As a preferred embodiment, the top of the support steel pipe pile 400 is provided with an arc-shaped connecting plate 430, which is fixedly connected with the corresponding straight approach bridge 100, navigable section bridge 200 and ramp section bridge 300. The arc-shaped connecting plate 430 can improve the connection stability between the support steel pipe pile 400 and the corresponding main cross beam.

[0047] In addition, the top of the support steel pipe pile 400 is circumferentially spaced apart and provided with multiple support reinforcing ribs 440, which are supported at the bottom of the straight approach bridge 100, the navigable section bridge 200 and the ramp section bridge 300. By means of the reinforcing ribs, the support area can be increased, and the support stability can be improved. In addition, the bottom of the support steel pipe pile 400 is sleeved with a pile tip reinforcing sleeve 450. The strength of the support steel pipe is improved.

[0048] In addition, as a more preferred embodiment, the device further includes a plurality of crash barriers, which are arranged in front, back, left and right of the support steel pipe piles 400 at the joint of the straight approach bridge and the ramp section bridge. In specific implementation, the number of the crash barriers can be preferably four, which are arranged in front, back, left and right of the support steel pipe piles 400 at the joint of the straight approach bridge and the ramp section bridge, so as to prevent the support steel pipe piles 400 at the joint from being hit by ships.

[0049] The use mode of the above large-span navigable hole trestle bridge:

[0050] By using the above large-span navigable hole trestle bridge, the support capacity and stability of the entire large-span navigable hole trestle bridge can be improved by thickening the ramp section bridge 300 and the thickened navigable section bridge 200, so as to realize large-span navigation. At the same time, the normal passing of the entire bridge surface and the transportation of materials are realized. In addition, the support force of the support steel pipe piles 400 can be further improved by increasing the horizontal connecting steel pipe 410 and the inclined supporting steel pipe 420, and the support steel pipe piles 400 can be prevented from being hit by the crash barriers. The stability of the main cross beam is further improved by the arc-shaped connecting plate 430 and the support reinforcing rib 440.

[0051] The above examples are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some or all of the technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A long span navigable-bore bridge, characterized by, The utility model relates to a bridge structure, including: a flat approach bridge, which has two sections, each of which is located on the two sides of the water surface; a navigable section bridge, which is located in the middle of the water surface; two sloping section bridges, each of which is connected to the two ends of the navigable section bridge through a gradually upward sloping sloping section bridge, the thickness of the sloping section bridge is greater than that of the flat approach bridge, and the thickness of the surface of the navigable section bridge is greater than that of the sloping section bridge; and a plurality of groups of support steel pipe piles, each group of support steel pipe piles includes two parallel support steel pipe piles, and the plurality of groups of support steel pipe piles are sequentially supported under the flat approach bridge, the navigable section bridge, and the sloping section bridge.

2. The long-span navigable-bore-stack bridge according to claim 1, characterized in that, The utility model also includes a plurality of groups of fender piers, each of which is arranged in front of, behind, left of, and right of the support steel pipe piles at the junction of the flat approach bridge and the sloping section bridge.

3. The long-span navigable arch bridge according to claim 1, wherein, Each group of support steel pipe piles further includes a horizontal connecting steel pipe and an inclined bracing steel pipe, the horizontal connecting steel pipe is transversely connected between the two support steel pipe piles, and the inclined bracing steel pipe is cross-shapedly connected between the two support steel pipe piles.

4. The long-span navigable arch bridge of claim 1, wherein, The top of the support steel pipe pile is provided with an arc-shaped connecting plate, which is fixedly connected with the corresponding flat approach bridge, navigable section bridge, and sloping section bridge.

5. The long-span navigable arch bridge according to claim 1, wherein, A plurality of support reinforcing ribs are circumferentially and spaced apart on the top of the support steel pipe pile, and the support reinforcing ribs are supported at the bottom of the flat approach bridge, the navigable section bridge, and the sloping section bridge.

6. The long-span navigable arch bridge of claim 1, wherein, A pile tip reinforcing sleeve is arranged on the bottom of the support steel pipe pile.

7. The long-span navigable arch bridge of claim 1, wherein, The flat approach bridge includes, from top to bottom, a UHPC panel, a flat section longitudinal beam, and a flat section main cross beam, and the support steel pipe pile is supported at the bottom of the flat section main cross beam.

8. The long-span navigable arch bridge according to claim 7, characterized in that, The sloping section bridge includes, from top to bottom, a sloping section thick patterned steel plate, a sloping section transverse distribution beam, a sloping section longitudinal beam, and a sloping section main cross beam, and the support steel pipe pile is supported at the bottom of the sloping section main cross beam.

9. The long-span navigable arch bridge according to claim 8, wherein, The navigable section bridge includes, from top to bottom, a navigable section thick patterned steel plate, a navigable section transverse distribution beam, a navigable section longitudinal beam, and a navigable section main cross beam, and the support steel pipe pile is supported at the bottom of the navigable section main cross beam, the overall width of the navigable section longitudinal beam is greater than the width of the flat section longitudinal beam and the sloping section longitudinal beam, and the thickness of the chord on the upper and lower sides of the sloping section longitudinal beam is greater than the thickness of the chords on the upper and lower sides of the flat section longitudinal beam and the sloping section longitudinal beam.

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