Construction structure for urban continuous viaduct

Abstract

The utility model discloses a construction structure for the continuous viaduct of city, it includes bridge pier, lower pier stud, middle pier stud, upper pier stud and beam body, be equipped with first positioning frame above the bridge pier, be equipped with the connecting groove on the middle surface of lower pier stud, be equipped with the pouring groove on the peripheral surface of lower pier stud, be equipped with the pouring groove on the lower pier stud. A bottom plate is arranged at the bottom of the middle pier column, a cross-shaped supporting steel bar column is arranged in the middle of the bottom plate, and a connecting plate is arranged at the bottom of the bottom plate. On-site prefabrication and assembly effects can be achieved among the bridge pier, the lower pier column, the middle pier column, the upper pier column and the beam body, the complex building environment and the limited construction space are avoided, the construction difficulty and complexity of an on-site prefabrication and assembly installation building structure for existing traffic and resident life are reduced, and the construction efficiency is improved. The purpose of providing rapid construction for the construction structure of the urban continuous viaduct is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge engineering structures, and particularly relates to a construction structure for an urban continuous viaduct. Background Art

[0002] A continuous viaduct, also known as a continuous beam bridge, is a bridge structure characterized by a continuous beam body within a certain distance, with no or few interruptions. This structure is usually used in transportation projects such as highways, urban expressways, or railways to provide a smooth driving surface and efficient transportation functions.

[0003] Currently, during the construction of continuous viaducts in cities, the construction environment is complex, the construction space is limited, which easily affects the existing traffic and residents' lives, increasing the difficulty and complexity of construction. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a construction structure for an urban continuous viaduct, which can solve the problems that during the construction of continuous viaducts in cities, the construction environment is complex, avoid limited construction space, as well as the existing traffic and residents' lives, and reduce the difficulty and complexity of construction.

[0005] To achieve the above purpose, a construction structure for an urban continuous viaduct is provided, including bridge piers, lower pier columns, middle pier columns, upper pier columns, and beam bodies. A first positioning frame is arranged above the bridge piers. A connecting groove is arranged on the middle surface of the upper part of the lower pier column, and a casting groove is arranged on the surrounding surface of the upper part of the lower pier column. A bottom plate is arranged at the bottom of the middle pier column. A cross-shaped support steel bar column is arranged in the middle of the bottom plate. A connecting plate is arranged at the bottom of the bottom plate. Second concrete steel bar bodies are arranged on both sides of the top of the bottom plate. A casting hole is arranged on the middle surface of the upper pier column. Positioning grooves are arranged on both sides of the bottom surface of the upper pier column. A second positioning frame is arranged at the bottom of the beam body. Connecting grooves are arranged on both sides of the surfaces of the lower pier column, middle pier column, upper pier column, and beam body. A first concrete steel bar body is arranged at the bottom of the connecting groove of the lower pier column. Limiting bars are arranged on both sides of the top of the beam body. Clamping bars are arranged on both sides of the middle of the beam body. A bridge abutment is arranged on the upper surface of the beam body. Cement steel bar mixing shafts are arranged inside the limiting bars, clamping bars, and bridge abutment. Positioning blocks are arranged on both sides of the outside of the cement steel bar mixing shafts.

[0006] According to the construction structure for an urban continuous viaduct described above, both the bridge piers and the first positioning frame are made of reinforced concrete solidified material. The first positioning frame is connected to the upper part of the bridge piers by casting and welding. The lower part of the lower pier column is connected to the inside of the first positioning frame by clamping and welding. The connecting groove is connected to the middle surface of the upper part of the lower pier column by fitting and recessing. The casting groove is connected to the surrounding surface of the upper part of the lower pier column by fitting and recessing.

[0007] According to the construction structure for a continuous urban viaduct described above, the bottom plate is made of reinforced concrete cured material. The bottom plate is fixedly supported and connected to the bottom of the middle pier column through a cross-shaped supporting steel column, and the connecting plate is fixedly engaged and connected inside the connecting groove.

[0008] According to the construction structure for a continuous urban viaduct described above, there are two second concrete steel bodies and positioning grooves. Both of the two second concrete steel bodies are fixedly connected to both sides of the top of the bottom plate by cement mixing. The casting hole is fitted and communicated with the middle surface of the upper pier column. The upper pier column is fixedly welded and connected above the middle pier column through the engaging connection between the second concrete steel body and the positioning groove.

[0009] According to the construction structure for a continuous urban viaduct described above, the second positioning frame is fixedly welded and connected around the bottom of the beam body.

[0010] According to the construction structure for a continuous urban viaduct described above, there are several first concrete steel bodies and communicating grooves. The upper part of the lower pier column and both sides of the bottom surface of the beam body are fitted and recessed connected with several communicating grooves. Both sides of the middle pier column and the upper pier column are fitted and communicated with several communicating grooves. Below several first concrete steel bodies are fixedly connected to the bottom of the communicating grooves of the lower pier column by reinforced concrete mixing and welding. The lower pier column, middle pier column, upper pier column and beam body achieve the effect of positioning contact and welding through the first concrete steel body and the communicating groove.

[0011] According to the construction structure for a continuous urban viaduct described above, the beam body, the limiting rail and the clamping strip are all made of reinforced concrete mixed and cured material. Both sides of the top of the beam body are connected to the limiting rail by concrete pouring and welding. Both sides of the middle of the beam body are connected to the clamping strip by concrete pouring and welding.

[0012] According to the construction structure for a continuous urban viaduct described above, there are several cement-reinforced concrete mixing shafts. Both sides of the outside of several cement-reinforced concrete mixing shafts are welded to the positioning blocks. The abutment is positioned in contact with and welded to the upper surface of the beam body through the limiting and positioning between the limiting rail and the clamping strip and the engaging connection. Several cement-reinforced concrete mixing shafts are fixedly connected to the inside of the limiting rail, the clamping strip and the abutment by pouring. The inside of the limiting rail, the clamping strip and the abutment are kept in a pouring and curing connection through the cement-reinforced concrete mixing shaft and the positioning block.

[0013] The beneficial effects of the above solution are as follows: By setting the first positioning frame, connecting groove, connecting plate, second concrete reinforcing body, positioning groove and second positioning frame, on-site prefabrication and assembly can be achieved among the bridge pier, lower pier column, middle pier column, upper pier column and beam body, avoiding the complexity of the construction environment, limited construction space, and the impact on the existing traffic and residents' lives. The on-site prefabrication and assembly installation structure reduces the construction difficulty and complexity, achieving the purpose of providing rapid construction for the construction structure of the urban continuous viaduct.

[0014] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. Brief Description of the Drawings

[0015] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0016] Figure 1 Front view of a construction structure for an urban continuous viaduct of the present utility model;

[0017] Figure 2 Schematic structural diagram of the bridge pier of a construction structure for an urban continuous viaduct of the present utility model;

[0018] Figure 3 Exploded view of the structural diagram of the pier column of a construction structure for an urban continuous viaduct of the present utility model;

[0019] Figure 4 Cross-sectional view of the lower pier column of a construction structure for an urban continuous viaduct of the present utility model;

[0020] Figure 5 Cross-sectional view of the middle pier column of a construction structure for an urban continuous viaduct of the present utility model;

[0021] Figure 6 Perspective view of the upper pier column of a construction structure for an urban continuous viaduct of the present utility model;

[0022] Figure 7 Front perspective view of the beam body of a construction structure for an urban continuous viaduct of the present utility model.

[0023] Legend Explanation:

[0024] 1. Pier; 101. First positioning frame; 2. Lower pier column; 201. Connecting groove; 202. Pouring groove; 3. Middle pier column; 301. Connecting plate; 302. Cross-shaped supporting steel bar column; 303. Bottom plate; 4. Upper pier column; 401. Pouring hole; 402. Positioning groove; 5. Beam body; 501. Second positioning frame; 502. Limit bar; 503. Card strip; 6. Abutment; 7. Positioning block; 8. First concrete steel bar body; 9. Second concrete steel bar body; 10. Connecting groove; 11. Cement steel bar mixing shaft. Detailed implementation manner

[0025] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the protection scope of the present invention.

[0026] Refer to Figure 1-7 , an embodiment of the present invention is a construction structure for an urban continuous viaduct, which includes a pier 1, a lower pier column 2, a middle pier column 3, an upper pier column 4, and a beam body 5. A first positioning frame 101 is provided above the pier 1. A connecting groove 201 is provided on the middle surface of the upper part of the lower pier column 2, and a pouring groove 202 is provided on the surrounding surface of the upper part of the lower pier column 2. A bottom plate 303 is provided at the bottom of the middle pier column 3. A cross-shaped supporting steel bar column 302 is provided in the middle of the bottom plate 303. A connecting plate 301 is provided at the bottom of the bottom plate 303. Second concrete steel bar bodies 9 are provided on both sides of the top of the bottom plate 303. A pouring hole 401 is provided on the middle surface of the upper pier column 4. Positioning grooves 402 are provided on both sides of the bottom surface of the upper pier column 4. A second positioning frame 501 is provided at the bottom of the beam body 5. Connecting grooves 10 are provided on both side surfaces of the lower pier column 2, the middle pier column 3, the upper pier column 4, and the beam body 5. A first concrete steel bar body 8 is provided at the bottom of the connecting groove 10 of the lower pier column 2. Limit bars 502 are provided on both sides of the top of the beam body 5. Card strips 503 are provided on both sides of the middle of the beam body 5. An abutment 6 is provided on the upper surface of the beam body 5. Cement steel bar mixing shafts 11 are provided inside the limit bars 502, the card strips 503, and the abutment 6. Positioning blocks 7 are provided on both sides of the outside of the cement steel bar mixing shaft 11.

[0027] Both the pier 1 and the first positioning frame 101 are made of reinforced concrete solidification material. The first positioning frame 101 is connected to the upper part of the pier 1 by casting and welding. The lower part of the lower pier column 2 is connected to the inside of the first positioning frame 101 by clamping and welding. The connecting groove 201 is connected to the upper middle surface of the lower pier column 2 by fitting and recessing. The casting groove 202 is connected to the upper peripheral surface of the lower pier column 2 by fitting and recessing. The bottom plate 303 is made of reinforced concrete solidification material. The bottom plate 303 is fixedly supported and connected to the bottom of the middle pier column 3 through the cross-shaped support steel column 302. The connecting plate 301 is connected to the inside of the connecting groove 201 by positioning and clamping. Both the second concrete steel bars 9 and the positioning grooves 402 are provided with two. Both of the two second concrete steel bars 9 are fixedly connected to the top two sides of the bottom plate 303 by cement mixing. The casting hole 401 is connected to the middle surface of the upper pier column 4 by fitting and communicating. Through the provided casting hole 401, concrete mixing is carried out into the middle pier column 3 and the inside of the casting groove 202 through the space at the bottom of the middle pier column 3, so as to strengthen the stability of the pier columns of the continuous viaduct construction structure. The upper pier column 4 is fixedly welded to the upper part of the middle pier column 3 through the clamping connection between the second concrete steel bars 9 and the positioning grooves 402. The second positioning frame 501 is fixedly welded to the bottom periphery of the beam body 5. Both the first concrete steel bars 8 and the communication grooves 10 are provided with several. Through the provided first concrete steel bars 8 and communication grooves 10, the lower pier column 2, the middle pier column 3 and the upper pier column 4 can be kept in a vertically fixed state. The upper part of the lower pier column 2 and the bottom two sides of the beam body 5 are both connected to several communication grooves 10 by fitting and recessing. The two sides of the middle pier column 3 and the upper pier column 4 are both connected to several communication grooves 10 by fitting and communicating. The lower parts of several first concrete steel bars 8 are fixedly welded to the bottom of the communication grooves 10 of the lower pier column 2 by reinforced concrete mixing. The lower pier column 2, the middle pier column 3, the upper pier column 4 and the beam body 5 are all positioned in contact and welded through the first concrete steel bars 8 and the communication grooves 10. The beam body 5, the limit bar 502 and the clamping strip 503 are all made of reinforced concrete mixing and solidification material. The two sides of the top of the beam body 5 are both connected to the limit bar 502 by concrete casting and welding. The two sides of the middle of the beam body 5 are both connected to the clamping strip 503 by concrete casting and welding. Several cement steel bar mixing shafts 11 are provided. The two outer sides of several cement steel bar mixing shafts 11 are both welded to the positioning block 7. The abutment 6 is positioned in contact and welded to the upper surface of the beam body 5 through the limit and positioning between the limit bar 502 and the clamping strip 503 by clamping connection. Several cement steel bar mixing shafts 11 are all fixedly connected to the inside of the limit bar 502, the clamping strip 503 and the abutment 6 by casting. The inside of the limit bar 502, the clamping strip 503 and the abutment 6 are all kept in casting and solidification connection through the cement steel bar mixing shafts 11 and the positioning block 7. Through the provided limit bar 502, the clamping strip 503, the cement steel bar mixing shafts 11 and the positioning block 7, the stability between the abutment 6 and the beam body 5 can be strengthened.

[0028] Working principle: First, the pier 1 of the construction structure of the continuous viaduct is installed by mixing and solidifying concrete with the ground at the construction site, so that the lower pier column 2 and the inside of the first positioning frame 101 are kept in a fixed support state by concrete pouring and welding. Later, according to the time when the concrete is poured and completely solidified, the engaging and fixing state formed between the middle pier column 3 and the connecting groove 201 through the connecting plate 301 can be realized in sequence. The upper pier column 4 is kept in a fixed state above the middle pier column 3 through the second concrete reinforcing body 9 and the positioning groove 402. At the same time, the lower pier column 2, the middle pier column 3 and the upper pier column 4 are all kept in a vertically stable support state through the first concrete reinforcing body 8 and the communication groove 10. By using the pouring hole 401, concrete is mixed and poured into the middle pier column 3 and into the pouring groove 202 through the bottom space of the middle pier column 3 to strengthen the stability of the pier columns of the construction structure of the continuous viaduct. Then, by using the limit bar 502, the clamping strip 503, the cement-reinforced steel mixing shaft 11 and the positioning block 7, the stability between the abutment 6 and the beam body 5 can be strengthened.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present utility model.

Claims

1. A construction structure for an urban continuous viaduct, comprising: Pier (1), lower pier column (2), middle pier column (3), upper pier column (4) and beam body (5), characterized in that a first positioning frame (101) is provided above the pier (1), a connecting groove (201) is provided on the middle surface of the upper part of the lower pier column (2), a casting groove (202) is provided on the peripheral surface of the upper part of the lower pier column (2), a bottom plate (303) is provided at the bottom of the middle pier column (3), a cross-shaped support steel bar column (302) is provided in the middle of the bottom plate (303), a connecting plate (301) is provided at the bottom of the bottom plate (303), second concrete steel bar bodies (9) are provided on both sides of the top of the bottom plate (303), a casting hole (401) is provided on the middle surface of the upper pier column (4), positioning grooves (402) are provided on both sides of the bottom surface of the upper pier column (4), a second positioning frame (501) is provided at the bottom of the beam body (5), and communication grooves (10) are provided on both side surfaces of the lower pier column (2), middle pier column (3), upper pier column (4) and beam body (5). A first concrete steel bar body (8) is provided at the bottom of the communication groove (10) of the lower pier column (2). Limit bars (502) are provided on both sides of the top of the beam body (5), clamping bars (503) are provided on both sides of the middle of the beam body (5), an abutment (6) is provided on the upper surface of the beam body (5), cement steel bar mixing shafts (11) are provided inside the limit bars (502), clamping bars (503) and abutment (6), and positioning blocks (7) are provided on both outer sides of the cement steel bar mixing shaft (11).

2. The construction structure for an urban continuous viaduct according to claim 1, characterized in that, Both the pier (1) and the first positioning frame (101) are made of reinforced concrete cured material. The first positioning frame (101) is connected to the upper part of the pier (1) by casting and welding. The lower part of the lower pier column (2) is connected to the inside of the first positioning frame (101) by clamping and welding. The connecting groove (201) is connected to the middle surface of the upper part of the lower pier column (2) by fitting and recessing. The casting groove (202) is connected to the peripheral surface of the upper part of the lower pier column (2) by fitting and recessing.

3. A construction structure for an urban continuous viaduct according to claim 1, characterized in that, The bottom plate (303) is made of reinforced concrete cured material. The bottom plate (303) forms a fixed support connection with the bottom of the middle pier column (3) through the cross-shaped support steel bar column (302). The connecting plate (301) is connected to the inside of the connecting groove (201) by positioning and clamping.

4. A construction structure for an urban continuous viaduct according to claim 1, characterized in that, There are two second concrete steel bar bodies (9) and positioning grooves (402). Both of the two second concrete steel bar bodies (9) are fixedly connected to both sides of the top of the bottom plate (303) by cement mixing. The casting hole (401) is connected to the middle surface of the upper pier column (4) by fitting and communicating. The upper pier column (4) is fixedly welded to the upper part of the middle pier column (3) through the clamping connection between the second concrete steel bar body (9) and the positioning groove (402).

5. A construction structure for an urban continuous viaduct according to claim 1, characterized in that, The second positioning frame (501) is fixedly welded to the periphery of the bottom of the beam body (5).

6. The construction structure for a continuous viaduct in a city according to claim 1, characterized in that, The first concrete steel bar bodies (8) and the communication grooves (10) are both provided with several. The upper part of the lower pier column (2) and the two side surfaces of the bottom of the beam body (5) are both connected with several communication grooves (10) in an embedded and recessed manner. The two side surfaces of the middle pier column (3) and the upper pier column (4) are both connected with several communication grooves (10) in an embedded and communicating manner. The lower parts of several first concrete steel bar bodies (8) are all connected with the bottom of the communication grooves (10) of the lower pier column (2) by means of reinforced concrete mixing and curing welding. The lower pier column (2), the middle pier column (3), the upper pier column (4) and the beam body (5) all achieve the effect of positioning contact and welding through the first concrete steel bar bodies (8) and the communication grooves (10).

7. A construction structure for an urban continuous viaduct according to claim 1, characterized in that, The beam body (5), the limit rail (502) and the clamping strip (503) are all made of reinforced concrete mixing and curing material. The two sides of the top of the beam body (5) are both connected with the limit rail (502) by concrete pouring and welding. The two sides of the middle part of the beam body (5) are both connected with the clamping strip (503) by concrete pouring and welding.

8. The construction structure for a continuous urban viaduct according to claim 1, characterized in that, Several cement steel bar mixing shafts (11) are provided. The two outer sides of several cement steel bar mixing shafts (11) are both connected with the positioning blocks (7) by welding. The abutment (6) is connected with the upper surface of the beam body (5) in a positioning contact and welding manner through the limit between the limit rail (502) and the clamping strip (503) and positioning and clamping connection. Several cement steel bar mixing shafts (11) are all connected with the limit rail (502), the clamping strip (503) and the inside of the abutment (6) by pouring and fixing. The inside of the limit rail (502), the clamping strip (503) and the abutment (6) are all kept in a pouring and curing connection through the cement steel bar mixing shafts (11) and the positioning blocks (7).

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