CN214939271U

CN214939271U - Simply support steel-concrete composite beam decking continuous structure

Info

Publication number: CN214939271U
Application number: CN202120546302.4U
Authority: CN
Inventors: 魏东; 许太学; 张健; 赵松山; 钱燚赟; 周丰禄; 左志; 赵晨曦; 孙宁宁; 刘潇阳
Original assignee: Shandong Hi Speed Engineering Construction Group Co Ltd
Current assignee: Shandong Hi Speed Engineering Construction Group Co Ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-11-30
Anticipated expiration: 2031-03-16

Abstract

The application relates to the field of bridge construction, in particular to a simply supported steel-concrete composite beam bridge deck continuous structure, wherein a bridge body is provided with multiple sections, an expansion joint is arranged between two adjacent sections of bridge bodies, positioning holes are formed in two ends of the bridge bodies, a positioning piece is arranged in the positioning hole at one end, the positioning piece of one section of bridge body corresponds to the positioning hole of the adjacent bridge body in position, the positioning piece can be inserted into the positioning hole, the length of the positioning piece is greater than the depth of the positioning hole, the positioning piece is detachably connected with the bridge body, and when the bridge body is installed, the positioning piece of the bridge body is inserted into the positioning hole of the adjacent bridge body to play a positioning role in installing the bridge body; when the two bridge bodies are aligned, the positioning piece can be detached, and a space for installing the expansion joint is reserved.

Description

Simply support steel-concrete composite beam decking continuous structure

Technical Field

The application relates to the field of bridge construction, in particular to a simply supported steel-concrete composite beam bridge deck continuous structure.

Background

The simply supported beam is characterized in that two ends of the bridge are lapped on the supports, the supports only restrain the vertical displacement of the bridge and cannot provide corner restraint for the bridge, the bridge mainly bears positive bending moment above the supports, the bridge is generally of a statically determinate structure, and the stress is simple. The structural materials of the reinforced concrete structure are profile steel and reinforced concrete, and the advantages of the steel structure and the reinforced concrete structure are integrated. In order to meet the comfort of driving, the upper side surface of the simply supported steel-concrete composite beam generally adopts a bridge deck pavement continuous structure.

For the related technologies, the inventor thinks that when the span of the bridge is large, the whole bridge is formed by connecting a plurality of sections of bridge bodies, the bridge bodies are large in size, and deviation may occur between the two sections of bridge bodies when the bridge bodies are connected, so that bridge decks of the two adjacent sections of bridge bodies cannot be continuously paved, and the driving comfort is reduced.

SUMMERY OF THE UTILITY MODEL

In order to reduce the phenomenon that errors can be generated between two adjacent sections of installation bridge bodies during construction, the application provides a continuous structure of a simply supported reinforced concrete composite beam bridge deck.

The application provides a simple support steel-concrete composite beam decking continuous structure adopts following technical scheme:

a simple steel-concrete composite beam bridge deck slab continuous structure, including support column, bridge body and bridge deck slab, the bridge body is provided with the multistage, every section the both ends of bridge body all are connected with the support column, every section the bridge deck slab is all installed to bridge body top, is provided with the expansion joint between two sections adjacent bridge bodies, the both ends of bridge body are provided with the locating hole, are provided with the setting element in one of them end locating hole, and the setting element of one of them section bridge body is corresponding with the locating hole position of adjacent bridge body, the setting element can insert in the locating hole, the length of setting element is greater than the degree of depth of locating hole, the setting element can be dismantled with the bridge body and be connected.

By adopting the technical scheme, the bridge body is provided with a plurality of sections, the corresponding edges of two adjacent sections of bridge bodies are required to be on the same straight line to keep the continuity of the bridge floor, and when the bridge bodies are installed, the positioning piece of the bridge body is inserted into the positioning hole of the adjacent bridge body to play a positioning role in the installation of the bridge body; because an expansion joint needs to be installed between two adjacent sections of bridge bodies, when the two bridge bodies are aligned, the positioning piece can be detached, and a space for installing the expansion joint is reserved; the length of the positioning piece is larger than the depth of the positioning hole, so that the positioning piece cannot be completely inserted into the positioning hole, and part of the positioning piece is still outside the bridge body, and the positioning piece is convenient for workers to disassemble.

Optionally, the locating piece includes fixed sleeve and telescopic link, the fixed sleeve is provided with the internal thread, the one end of fixed sleeve is inserted in the locating hole, the other end and telescopic link threaded connection.

Through adopting above-mentioned technical scheme, when installing the bridge body, the telescopic link rotates the one end of keeping away from the bridge body to fixed sleeve for the length of setting element reaches the biggest, and the setting element inserts the effect that realizes the location in the locating hole, and when the position of bridge body was confirmed, it makes the telescopic link enter into fixed sleeve's inside to rotate the telescopic link again, and setting element and locating hole separation can follow and dismantle on the bridge body.

Optionally, a bridge support is arranged between the bridge body and the support columns, the bridge support comprises an upper base plate, a rubber support body and a lower base plate, the rubber support body is located between the upper base plate and the lower base plate, the upper base plate is connected with the bridge body, and the lower base plate is connected with the support columns.

By adopting the technical scheme, the bridge can be influenced by external force in the using process, and if the bridge body is directly placed on the supporting columns, the bridge body can be deviated when being subjected to the external force; if bridge body and support column fixed connection, the external force that receives when bridge body is too big but can't lead to bridge body to take place to damage when moving. The bridge body passes through the bridge beam supports and is connected with the support column, and the bridge beam supports is the rubber material, receives external force and can take place deformation, resumes natural state when external force disappears, and the bridge beam supports can play the effect of buffering when the bridge body receives external force.

Optionally, the expansion joint upside is provided with the waterproof layer, the waterproof layer top is provided with protective housing, protective housing's height is unanimous with the height of decking.

By adopting the technical scheme, the waterproof layer can prevent external rainfall from entering the expansion joint, so that the cleanness of the expansion joint can be kept, and the service life of the expansion joint can be prolonged; the space above the waterproof layer can be filled by the protective shell, so that the height of the expansion joint is consistent with that of the bridge deck, and the bridge deck is smooth.

Optionally, one end of the support column close to the bridge body is provided with a support frame, one end of the support frame is abutted to the support column, and the other end of the support frame is abutted to the bridge body.

Through adopting above-mentioned technical scheme, constitute triangle-shaped between support frame and bridge body, the support column, increased the support intensity of support column to the bridge body.

Optionally, the mounting groove has been seted up to the side of going up of decking, mounting groove joint on one side of protective housing and one of them decking, mounting groove joint on opposite side and the adjacent decking, be provided with the blotter in the mounting groove.

Through adopting above-mentioned technical scheme, protective housing can connect the multistage decking as a whole for the surface of decking keeps leveling, because the bridge body has expend with heat and contract with cold, protective housing also can take place to remove when the expend with heat and contract with cold takes place for the bridge body, is provided with the blotter in the mounting groove, makes protective housing can remove in the mounting groove.

Optionally, first guide plates are arranged on two sides of the bridge body along the span direction of the bridge, and the height of each first guide plate is greater than that of the bridge body.

Through adopting above-mentioned technical scheme, because the height that highly is greater than the bridge body of first deflector, consequently the decking need install between two first deflectors, and first deflector can reduce the phenomenon that produces the skew between decking and the bridge body.

Optionally, one side of the first guide plate, which is far away from the bridge body, is provided with a second guide plate, and one end of the second guide plate, which is far away from the first guide plate, is inclined towards the direction far away from the bridge body.

Through adopting above-mentioned technical scheme, the second deflector is to keeping away from the direction slope of bridge body, and the distance between two second deflectors is greater than the width of decking, places the decking earlier between two second deflectors when installing the decking, descends to between two first deflectors again for the decking can be better aim at the space between two first deflectors.

Optionally, the first guide plate is detachably connected with the bridge body.

Through adopting above-mentioned technical scheme, first deflector and second deflector are connected as an organic wholely, install first deflector earlier before the installation decking, dismantle first deflector after the decking installation is accomplished, the follow-up construction of being convenient for, and first deflector and second deflector also can used repeatedly simultaneously.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the positioning pieces and the positioning holes of two adjacent sections of bridge bodies are connected with each other, so that the positioning effect can be achieved;

2. the positioning piece can be detached from the bridge body, and a space is reserved for construction of the expansion joint.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a side view of an end of a bridge according to an embodiment of the present application;

FIG. 3 is an exploded view of the structure at the positioning member in the embodiment of the present application;

fig. 4 is an exploded view of a partial structure of an embodiment of the present application.

Description of reference numerals: 100. a support pillar; 110. a support frame; 200. a bridge body; 210. positioning holes; 220. an expansion joint; 221. a waterproof layer; 222. a protective housing; 300. a bridge deck; 310. mounting grooves; 311. a cushion pad; 400. a bridge support; 410. an upper base plate; 420. a rubber support body; 430. a lower base plate; 500. a positioning member; 510. fixing the sleeve; 520. a telescopic rod; 600. a first guide plate; 610. a second guide plate; 620. and (4) bolts.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses simply supported steel-concrete composite beam bridge deck slab continuous structure.

Referring to fig. 1 and 2, a bridge body 200 is located at the upper end of a support column 100, and is connected to the support column 100 through a bridge support 400. Bridge beam supports 400 includes upper plate 410, rubber support body 420 and lower plate 430, and upper plate 410 and bridge beam body 200 are connected, and lower plate 430 is connected with support column 100, and rubber support body 420 is located between upper plate 410 and the lower plate 430, and rubber support body 420 can take place deformation when bridge beam body 200 receives external force, transmits the load and the deformation that bridge beam body 200 bore for support column 100. Fixedly connected with support frame 110 on the support column 100, support frame 110's one end and bridge body 200 are connected, and the other end and support column 100 are connected, have constituted triangle-shaped, can improve bridge body 200's stability. The bridge deck 300 is installed on the upper side of the bridge body 200.

The two sides of the bridge body 200 are connected with a first guide plate 600 through bolts 620, the first guide plate 600 is higher than the bridge body 200, and one side of the first guide plate 600 far away from the bridge body 200 is integrally connected with a second guide plate 610. The side of the second guide plate 610 far from the first guide plate 600 is inclined to the direction far from the bridge body 200, so that the width between the two second guide plates 610 is larger than the width of the bridge body 200. When installing decking 300 earlier hoist decking 300 to between two second deflector 610, then fall to between two first deflector 600, first deflector 600 can play spacing effect to decking 300, reduces the phenomenon that produces the skew between the edge of decking 300 and the bridge body 200. Since the first guide plate 600 is detachably connected to the bridge body 200, it can be detached for reuse after the installation of the bridge deck 300.

Referring to fig. 3 and 4, a bridge is formed by connecting multiple sections of bridge bodies 200, and when two adjacent sections of bridge bodies 200 are connected, in order to reduce the phenomenon that the bridge bodies 200 are offset, positioning holes 210 are provided at two ends of the bridge body 200, and the positions of the positioning holes 210 on the two sections of bridge bodies 200 correspond to each other. The positioning member 500 is inserted into the positioning hole 210 at one end of the bridge body 200. The positioning member 500 comprises a fixing sleeve 510 and an expansion link 520, wherein the fixing sleeve 510 is provided with internal threads, the expansion link 520 is in threaded connection with the fixing sleeve 510, and the length of the positioning member 500 can be changed by rotating the expansion link 520 so as to be inserted into the positioning hole 210. The two ends of the positioning member 500 are inserted into the positioning holes 210 of the two bridge bodies 200, respectively, so as to achieve the positioning effect.

The bridge can produce the phenomenon of expend with heat and contract with cold, consequently need be provided with expansion joint 220 between two sections adjacent bridge ontology 200, expansion joint 220 can select broach board formula expansion joint 220 in this application embodiment. The positioning member 500 is detachably connected with the positioning holes 210, and the maximum length of the positioning member 500 is greater than the depth of two positioning holes 210, so that a part of the positioning member 500 is left in the bridge body 200 when being inserted into the positioning holes 210, the side surfaces of two sections of the bridge body 200 cannot be contacted, the construction position of the expansion joint 220 is reserved, and the positioning member 500 is also convenient to detach.

Expansion joint 220 top is provided with waterproof layer 221, and waterproof layer 221 can play the protection effect to expansion joint 220, reduces the erosion effect of external precipitation to expansion joint 220, and rubber material can be selected to waterproof layer 221 in this application embodiment, and waterproof layer 221 also can take place deformation when bridge body 200 expends with heat and contracts with cold. The protective shell 222 is arranged above the waterproof layer 221, and the height of the protective shell 222 is consistent with that of the bridge deck 300, so that the whole bridge deck is kept flat. The bridge deck 300 is provided with a mounting groove 310, a cushion 311 is arranged in the mounting groove 310, and two ends of one protective shell 222 are respectively clamped with the mounting grooves 310 on two adjacent bridge deck 300, so that the bridge deck 300 is connected into a whole.

The implementation principle of the simple support steel-concrete composite beam bridge deck continuous structure disclosed by the embodiment of the application is as follows: during construction, the bridge support 400 is connected with the support column 100, then a section of bridge body 200 is connected with the bridge support 400, and the bridge body 200 is connected with the support column 100 through the support frame 110. Then, the first guide plates 600 are connected to both sides of the bridge body 200, and the second guide plates 610 are integrally connected to the sides of the first guide plates 600 far away from the bridge body 200. When the bridge deck 300 on the upper side of the bridge body 200 is installed, the bridge deck 300 is firstly placed between the two second guide plates 610 and then slowly moves downwards until the bridge deck 300 moves between the two first guide plates 600 to cover the bridge body 200, and the first guide plates 600 can reduce the phenomenon that the bridge deck 300 is offset on the bridge body 200.

After the bridge deck 300 is installed, the first guide plate 600 can be detached from the bridge body 200 for installation of the next bridge deck 300. Inserting the fixing sleeve 510 of the positioning member 500 into the positioning hole 210 at the end of the bridge body 200, rotating the telescopic rod 520 of the positioning member 500 to adjust the length, aligning the positioning hole 210 of another bridge body 200 with the positioning member 500, mounting the bridge body 200 on the supporting column 100, and inserting the telescopic rod 520 into the positioning hole 500. After the position of the bridge body 200 is determined, the telescopic rod 520 is rotated to separate the positioning member 500 from the bridge body 200, and the expansion joint 220 is constructed in the gap between the two bridge bodies 200. A waterproof layer 221 is arranged above the expansion joint 220, and a protective shell 222 is clamped on the bridge deck 300.

The positioning piece 500 can facilitate the alignment of two adjacent sections of bridge bodies 200 during construction, so that the construction accuracy is improved, the bridge deck 300 can be continuously paved, and the driving comfort is improved.

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

1. Simple support steel-concrete composite beam decking continuous structure, including support column (100), bridge body (200) and decking (300), bridge body (200) are provided with the multistage, every section the both ends of bridge body (200) all are connected with support column (100), every section decking (300), its characterized in that are all installed to bridge body (200) top: be provided with expansion joint (220) between two sections adjacent bridge body (200), the both ends of bridge body (200) are provided with locating hole (210), are provided with setting element (500) in one of them end locating hole (210), and setting element (500) of one of them section bridge body (200) are corresponding with locating hole (210) position of adjacent bridge body (200), setting element (500) can insert in locating hole (210), the length of setting element (500) is greater than the degree of depth of locating hole (210), setting element (500) can be dismantled with bridge body (200) and be connected.

2. The continuous structure of the simply supported steel-concrete composite beam bridge deck according to claim 1, wherein: the positioning piece (500) comprises a fixing sleeve (510) and an expansion link (520), wherein the fixing sleeve (510) is provided with internal threads, one end of the fixing sleeve (510) is inserted into the positioning hole (210), and the other end of the fixing sleeve is in threaded connection with the expansion link (520).

3. The continuous structure of the simply supported steel-concrete composite beam bridge deck according to claim 2, wherein: be provided with bridge beam supports (400) between bridge beam body (200) and support column (100), bridge beam supports (400) include upper plate (410), rubber support body (420) and lower plate (430), rubber support body (420) are located between upper plate (410) and lower plate (430), upper plate (410) are connected with bridge beam body (200), lower plate (430) are connected with support column (100).

4. The continuous structure of the simply supported steel-concrete composite beam bridge deck according to claim 3, wherein: the expansion joint (220) upside is provided with waterproof layer (221), waterproof layer (221) top is provided with protective housing (222), protective housing (222) highly unanimous with the height of decking (300).

5. The continuous structure of the simply supported steel-concrete composite beam bridge deck according to claim 4, wherein: one end of the support column (100) close to the bridge body (200) is provided with a support frame (110), one end of the support frame (110) is abutted to the support column (100), and the other end of the support frame is abutted to the bridge body (200).

6. The continuous structure of the simply supported steel-concrete composite beam bridge deck according to claim 5, wherein: mounting groove (310) have been seted up to the side of going up of decking (300), mounting groove (310) joint on one side of protective housing (222) and one of them decking (300), mounting groove (310) joint on opposite side and adjacent decking (300), be provided with blotter (311) in mounting groove (310).

7. The continuous structure of the simply supported steel-concrete composite beam bridge deck according to claim 6, wherein: the bridge is characterized in that first guide plates (600) are arranged on two sides of the bridge body (200) along the span direction of the bridge, and the height of each first guide plate (600) is larger than that of the bridge body (200).

8. The continuous structure of the simply supported steel-concrete composite beam bridge deck according to claim 7, wherein: one side of the first guide plate (600) far away from the bridge body (200) is provided with a second guide plate (610), and one end of the second guide plate (610) far away from the first guide plate (600) inclines towards the direction far away from the bridge body (200).

9. The continuous structure of the simply supported steel-concrete composite beam bridge deck according to claim 8, wherein: the first guide plate (600) is detachably connected with the bridge body (200).