Super-large longitudinal slope continuous multi-span steel bridge stabilizing structure

Abstract

The utility model relates to the technical field of bridge stabilizing structures, and discloses an ultra-large longitudinal slope continuous multi-span steel bridge stabilizing structure which comprises a bridge body, a bridge abutment ear wall and a bridge abutment wall back are arranged on one side of the bridge body, and an existing bridge is arranged on the other side of the bridge body. The bridge body, the bridge abutment ear wall, the bridge abutment wall back, the existing bridge, the supporting bin and the side supporting arms are used in cooperation, the effect of reinforcing and supporting the bridge body can be achieved, and the bearing capacity of the bridge body is greatly enhanced through the supporting bin, the side supporting arms, a fixing plate, first steel bars, first stirrups, concrete and the like; compared with direct steel structure supporting, the steel-concrete structure supporting effect is better, when the truck does not walk in the middle, the bottoms of the beret pieces of the bridge body can be supported in a force dispersing mode, excessive stress of the single beret piece is avoided, the two side supporting arms and the bridge body are triangular, stability is higher, shaking caused by insufficient side supporting is avoided, and practicability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge stable structure technical field especially relates to a super large longitudinal slope continuous multi -span steel bridge stable structure. BACKGROUND

[0002] At present, in the city viaduct construction, due to the problem such as demolition, will cause line construction cannot continuously, for the viaduct without subgrade connection, usually adopt ladder cage as personnel passageway, for the bridge deck construction vehicle without road traffic, to guarantee personnel and construction vehicle normal bridge operation, need design construction super large longitudinal slope continuous multi -span steel trestle large -scale temporary structure.

[0003] The existing super large longitudinal slope continuous multi -span steel trestle stable structure (announcement number: CN221798161U) at least has following disadvantages: in above -mentioned patent, the bridge deck slab and I -beam etc. are supported to the top surface by setting the bailey beam, the bottom is supported by the support column, the bailey beam is connected between each other through the side face, but the bailey beam bottom surface can be supported only by the support column, and the bailey beam both sides and middle part lack support, so that the bailey beam can change under stress when the vehicle pulls heavy goods and walks on the surface without centering, further lead to the stress of the single bailey piece of bailey beam too much, make the bridge body not conducive to long -term operation, and it is necessary to propose a super large longitudinal slope continuous multi -span steel bridge stable structure to solve the above -mentioned problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides a super large longitudinal slope continuous multi -span steel bridge stable structure.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A super large longitudinal slope continuous multi -span steel bridge stable structure, including the bridge body, the one side of bridge body is provided with the abutment ear wall and the abutment wall back, the other side of bridge body is provided with the existing bridge, further including the support assembly for reinforcing the support of bridge body, the support assembly sets up at the both sides of bridge body, the support assembly includes: support bin, the support bin is fixedly installed at the both sides of bridge body, and a plurality of fixed plates are fixedly installed between the two support bins.

[0007] As a further scheme of the utility model, the support assembly further comprises the fixed plate and the bridge body fixed installation, the both sides of the support bin are respectively provided with a plurality of side support arms, a fixed hole is formed in one side of the side support arm, a thread column is movably sleeved on the inner circular wall surface of the fixed hole, the thread column is fixedly installed with the support bin, a nut is threadedly connected on the outer circular wall surface of the thread column, a support lug is fixedly installed on one side of the side support arm, a plurality of thread holes are formed in the bottom surface of the support lug and the bottom surface of the support bin respectively, a bolt is threadedly connected on the inner circular wall surface of the thread hole, a plurality of first steels and a plurality of first stirrups are arranged in the inside of the support bin, the inside of the support bin is filled with micro-expansion concrete, a support base is fixedly installed on the bottom surface of the side support arm, a plurality of installation holes are formed in the top surface of the support base, a plurality of second stirrups and a plurality of second steels are arranged in the inside of the side support arm, and the inside of the side support arm is filled with micro-expansion concrete.

[0008] As a further scheme of the utility model, the bottom surface of the bridge body is fixedly installed with a plurality of support columns.

[0009] As a further scheme of the utility model, the top surface of the bridge body is fixedly installed with a bridge plate.

[0010] As a further scheme of the utility model, the top surface of the bridge plate is fixedly installed with a handrail.

[0011] As a further scheme of the utility model, the material of the side support arm and the support bin is high-carbon steel.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The mutual cooperation of the bridge body, the abutment lug wall, the abutment wall back, the existing bridge, the support bin and the side support arm can strengthen the support of the bridge body, the load-bearing capacity of the bridge body is greatly enhanced by the support bin, the side support arm, the fixed plate, the first steel, the first stirrup and concrete, compared with the direct steel structure support, the steel-concrete structure support has better effect, when the truck does not walk in the center, the bottom of the Bailey piece of the bridge body can be supported by the scattering force, the single Bailey piece is prevented from being excessively stressed, the two side support arms and the bridge body form a triangle, the stability is stronger, the side support is prevented from being insufficient to cause shaking, and the utility model is practical. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model provides a whole structure schematic view of a super-longitudinal-slope continuous multi-span steel bridge stable structure;

[0015] Figure 2 The utility model provides a bridge body structure schematic view of a super-longitudinal-slope continuous multi-span steel bridge stable structure;

[0016] Figure 3 For Figure 2 Partial structure schematic view of A in the middle;

[0017] Figure 4 For Figure 2 Partial structure schematic view of B in the middle.

[0018] In the figure: 1, abutment; 2, abutment ear wall; 3, abutment wall back; 4, existing bridge; 5, support bin; 6, side support arm; 7, support seat; 8, fixed plate; 9, first reinforcing bar; 10, first stirrup; 11, support ear; 12, threaded hole; 13, bolt; 14, fixed hole; 15, threaded column; 16, nut; 17, second reinforcing bar; 18, second stirrup; 19, support column; 20, railing; 21, bridge plate; 22, mounting hole. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] In the description of the utility model, it should be pointed out that the directions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the directions or position relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] Referring to Figures 1-4The utility model provides a kind of super large longitudinal slope continuous multi-span steel bridge stable structure, including bridge body 1, bridge abutment ear wall 2 and bridge abutment wall back 3 are provided to one side of bridge body 1, existing bridge 4 is provided to the other side of bridge body 1, further including the support assembly for strengthening support to bridge body 1, support assembly is arranged in the two sides of bridge body 1, support assembly includes: support bin 5, support bin 5 is fixedly installed in the two sides of bridge body 1, a plurality of fixed plates 8 are fixedly installed between two support bins 5, support assembly further includes fixed plate 8 and bridge body 1 fixed installation, the two sides of support bin 5 are provided with a plurality of side support arms 6, fixed hole 14 is opened in the side of side support arm 6, the inner circular wall surface of fixed hole 14 movably sleeved with threaded column 15, threaded column 15 is fixedly installed with support bin 5, the outer circular wall surface of threaded column 15 is screw-connected with nut 16, support ear 11 is fixedly installed in the side of side support arm 6, a plurality of threaded holes 12 are opened in the bottom surface of support ear 11 and the bottom surface of support bin 5 respectively, threaded hole 12 is screw-connected with bolt 13 in the inner circular wall surface, the inside of support bin 5 is provided with a plurality of first reinforcing steel bars 9 and a plurality of first stirrups 10, the inside of support bin 5 is filled with micro-expansion concrete, the bottom surface of side support arm 6 is fixedly installed with support seat 7, a plurality of mounting holes 22 are opened in the top surface of support seat 7, the inside of side support arm 6 is provided with a plurality of second stirrups 18 and a plurality of second reinforcing steel bars 17, the inside of side support arm 6 is filled with micro-expansion concrete.

[0023] In the embodiment, the bottom surface of the bridge body 1 is fixedly installed with a plurality of support columns 19, the top surface of the bridge body 1 is fixedly installed with a bridge plate 21, the top surface of the bridge plate 21 is fixedly installed with a railing 20, and the material of the side support arm 6 and the support bin 5 is high-carbon steel.

[0024] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: the bridge body 1, the abutment ear wall 2, the abutment wall back 3 and the existing bridge 4 etc. are composed of the multi-span steel bridge, the specific connection installation mode is same with the reference file, it is prior art, it is not repeated, further, when installing the side support arm 6, the ground is ditched and the concrete reinforcement cage is made into the base, so that the base is fixed through the threaded column, the support seat 7 and the nut in advance, so that the side support arm 6 is fixed on both sides of the bridge body 1, because the inside of the support bin 5 is filled with concrete and is planted with the first reinforcement 9 and the first stirrup 10 (the inside of the side support arm 6 is also same), the support bin 5 and the side support arm 6 are all steel material, so, by the way of combination of steel and concrete, the support strength of the side support arm 6 and the support bin 5 is greatly enhanced (the number of the side support arm 6 is not limited to three on each side in the drawing, can be adjusted as required), when the top surface bearing capacity of the bridge body 1 is higher, the force is conducted to the support bin 5 on both sides through the fixed plate 8 arranged, the support bin 5 again conducts the force to the side support arm 6, the side support arm 6 and the cooperation strengthen the support to the downward pressure of the bridge body 1, and the left and right side support arms 6 are in triangle, so that the bridge body 1 has higher stability and does not shake, when the truck is on the top surface of the bridge body 1, the high-strength support can be carried out on both sides of the bridge body 1, the situation that the bailey beam cannot bear due to overloading is avoided, and the effect that the bridge body 1 is strengthened and supported is achieved, so that the bearing capacity of the bridge body 1 is greatly enhanced through the support bin 5, the side support arm 6, the fixed plate 8, the first reinforcement 9, the first stirrup 10 and the concrete etc., compared with direct steel structure support, the steel-concrete structure support effect is better, when the truck does not walk in the center, the force support can be carried out to the bailey piece bottom of the bridge body 1, the single bailey piece is avoided from being stressed excessively, and the two side support arms 6 and the bridge body 1 are in triangle, so that the stability is stronger, the shaking due to insufficient side support is avoided, and it is more practical.

[0025] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification only illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A super-long slope continuous multi-span steel bridge stable structure, comprising a bridge body (1), a bridge abutment ear wall (2) and a bridge abutment wall back (3) are arranged on one side of the bridge body (1), and an existing bridge (4) is arranged on the other side of the bridge body (1), characterized in that, It also includes a support assembly for supporting the bridge (1), the support assembly is arranged on both sides of the bridge (1), the support assembly comprises: a support bin (5) fixedly installed on both sides of the bridge (1), a plurality of fixed plates (8) are fixedly installed between the two support bins (5).

2. A super-long longitudinal slope continuous multi-span steel bridge stable structure according to claim 1, characterized in that, The support assembly further comprises that the fixed plate (8) and the bridge (1) are fixedly installed, a plurality of side support arms (6) are arranged on both sides of the support bin (5), a fixing hole (14) is formed on one side of the side support arm (6), a threaded column (15) is movably sleeved on the inner circular wall surface of the fixing hole (14), the threaded column (15) is fixedly installed on the support bin (5), a nut (16) is threadedly connected on the outer circular wall surface of the threaded column (15), a support lug (11) is fixedly installed on one side of the side support arm (6), a plurality of threaded holes (12) are formed on the bottom surface of the support lug (11) and the bottom surface of the support bin (5) respectively, a bolt (13) is threadedly connected on the inner circular wall surface of the threaded hole (12), a plurality of first steel bars (9) and a plurality of first stirrups (10) are arranged in the support bin (5), the support bin (5) is filled with micro-expansion concrete, a support seat (7) is fixedly installed on the bottom surface of the side support arm (6), a plurality of mounting holes (22) are formed on the top surface of the support seat (7), a plurality of second stirrups (18) and a plurality of second steel bars (17) are arranged in the side support arm (6), and the side support arm (6) is filled with micro-expansion concrete.

3. The super-long longitudinal slope continuous multi-span steel bridge stable structure according to claim 1, characterized in that, A plurality of support columns (19) are fixedly installed on the bottom surface of the bridge (1).

4. The super-long longitudinal slope continuous multi-span steel bridge stable structure according to claim 1, characterized in that, A bridge plate (21) is fixedly installed on the top surface of the bridge (1).

5. A super-long longitudinal slope continuous multi-span steel bridge stable structure according to claim 4, characterized in that, A handrail (20) is fixedly installed on the top surface of the bridge plate (21).

6. A super-long longitudinal slope continuous multi-span steel bridge stable structure according to claim 2, characterized in that, The materials of the side support arm (6) and the support bin (5) are high-carbon steel.

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