A steel structure for building bridges and roads

Abstract

The utility model discloses a building bridge road steel structure belongs to steel structure technical field. Bridge pile and bridge span body are included, and the bridge span body is installed at the top of bridge pile, and the bridge pile includes a plurality of support piers and pile columns, and the pile column is installed at the both ends of bridge span body respectively, and the support pier rectangular array is installed below bridge span body and is located between the pile column, and the support pier includes pier seat, and the pier seat is located below bridge span body, and the top of squat seat is installed with the cylinder, and a plurality of reinforcing parts are installed between the cylinder, and the reinforcing part is installed along the linear array of cylinder length direction, and the cylinder is connected and is limited in position each other. The utility model discloses through the support board matrix installation in the support pier below bridge span body and form rhombus support each other, improve the rigidity and the anti -tilting ability of whole, and set up the structure such as the N type rib, rib block and rib strip in the N type steel part, and the concentrated stress under the repeated load of vehicle appears and is dispersed, prolongs the service life of steel structure.

Description

Technical Field

[0001] This utility model belongs to the field of steel structure technology, specifically relating to a steel structure for buildings, bridges and roads. Background Technology

[0002] The steel structure of bridges and roads is composed of steel materials, mainly steel beams, steel columns, steel trusses, and other components made of shaped steel and steel plates. Rust removal and prevention processes include silanization, pure manganese phosphating, water washing and drying, and galvanizing. The various components or parts are typically connected by welds, bolts, or rivets.

[0003] However, existing steel structures in bridges and roads are prone to problems such as localized stress concentration and fatigue cracks in the bridge spans under repeated vehicle loads. Over time, these microscopic defects will gradually expand to form macroscopic cracks, leading to a weakening of the effective cross-section of the components, a reduction in stiffness, and in severe cases, brittle fracture accidents. Utility Model Content

[0004] Purpose of the utility model: To provide a steel structure for building bridges and roads, which solves the above-mentioned problems existing in the prior art.

[0005] Technical solution: A steel structure for building bridges and roads, comprising bridge piles and a bridge span body, wherein the bridge span body is installed on top of the bridge piles, the bridge piles include a plurality of support piers and pile columns, the pile columns are respectively installed at both ends of the bridge span body, the support piers are installed in a rectangular array below the bridge span body and between the pile columns, the support piers include pier bases, the pier bases are located below the bridge span body, the top of the pier bases are fitted with columns, and a plurality of reinforcing members are installed between the columns, the reinforcing members are installed in a linear array along the length direction of the columns, connecting and limiting the columns to each other.

[0006] Preferably, the reinforcing member includes a plurality of reinforcing beams, which are arranged opposite each other with a gap between them. The two ends of the reinforcing beams are respectively installed on the outer walls of two adjacent columns. Two opposite mounting rods are installed in the gap between the reinforcing beams. The two ends of the mounting rods are respectively connected to the reinforcing beams. Reinforcing plates are installed on both sides of the center of the mounting rods. Support plates are installed between the reinforcing plates. The support plates are connected at their ends to form a rhomboid support.

[0007] Preferably, the reinforcing beam, mounting rod, reinforcing plate, and support plate in the reinforcing member are all made of steel.

[0008] Preferably, the bridge span body includes a plurality of U-shaped steel members, which are linearly arrayed and installed on the top of the pile column. Gaps are reserved between the U-shaped steel members. A plurality of abutment blocks are installed on the top of the pile column and are installed between the U-shaped steel members. A plurality of reinforcing ribs are also installed in the gaps between the U-shaped steel members, and the two ends of the reinforcing ribs are connected to the outside of the U-shaped steel members.

[0009] Preferably, the U-shaped steel component includes a U-shaped steel plate, which is installed on the top of the pile column. A plurality of U-shaped ribs are installed inside the U-shaped steel plate, which are arranged in a linear array along the inner wall of the U-shaped steel plate. A plurality of rib blocks are installed inside the U-shaped steel plate, and each rib block has a circular hole in its center. The rib blocks are arranged in a linear array along the U-shaped steel plate and located in the gaps between the U-shaped ribs.

[0010] Preferably, the U-shaped steel member further includes a plurality of ribs, which are installed along the length of the U-shaped steel plate and penetrate the U-shaped ribs.

[0011] Preferably, the ribs, the U-shaped ribs, the rib blocks, and the U-shaped steel parts are all made of steel.

[0012] Beneficial effects: This utility model relates to a steel structure for building bridges and roads. By installing support plates in a matrix inside the support piers below the bridge span to form a rhomboid support, the overall rigidity and anti-tilting ability are improved. Furthermore, by setting up structures such as U-shaped ribs, rib blocks, and rib strips inside the U-shaped steel members, the local rigidity and bending and shear resistance of the bridge span are enhanced, the concentrated stress caused by repeated vehicle loads is dispersed, and the service life of the steel structure is extended. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the overall structure of the present invention. Figure 2 ; Figure 3 for Figure 1 Enlarged view of point A in the middle; Figure 4 for Figure 2 Enlarged view of section B in the middle.

[0014] Figures 1 to 4 The attached diagram is labeled as follows: 1. Support pier; 2. Pile; 3. Bridge span body; 11. Pier base; 12. Column; 13. Reinforcing beam; 14. Mounting rod; 15. Reinforcing plate; 16. Support plate; 31. Abutment block; 32. Reinforcing rib; 33. U-shaped steel plate; 34. U-shaped rib; 35. Rib block; 36. Circular hole; 37. Rib. Detailed Implementation

[0015] like Figures 1 to 4 As shown, this utility model provides a technical solution: a steel structure for building bridges and roads, including bridge piles and a bridge span body 3. The bridge span body 3 is installed on top of the bridge piles. The bridge pile includes several support piers 1 and pile columns 2. The pile columns 2 are respectively installed at both ends of the bridge span body 3. The support piers 1 are installed in a rectangular array below the bridge span body 3 and between the pile columns 2. Each support pier 1 includes a pier base 11, which is located below the bridge span body 3. A column 12 is installed on top of the pier base. Several reinforcing members are installed between the columns 12. The reinforcing members are installed in a linear array along the length direction of the columns 12, connecting and limiting the columns 12 to each other. Figure 2 As shown, the reinforcing member includes several reinforcing beams 13, which are arranged in pairs facing each other with a gap between them. The two ends of the reinforcing beams 13 are respectively installed on the outer walls of two adjacent columns 12. Two opposing mounting rods 14 are installed in the gap between the reinforcing beams 13, and the two ends of the mounting rods 14 are respectively connected to the reinforcing beams 13. Reinforcing plates 15 are installed on both sides of the center of the mounting rods 14, and support plates 16 are installed between the reinforcing plates 15. The support plates 16 are connected end to end to form a rhombus support. The reinforcing beams 13, mounting rods 14, reinforcing plates 15 and support plates 16 in the reinforcing member are all made of steel. By installing the support plates 16 in a matrix in the support piers 1 below the bridge span body 3 to form a rhombus support, the overall rigidity and anti-tilting ability are improved.

[0016] In a further embodiment, the bridge span body 3 includes several U-shaped steel members, which are linearly arrayed and installed on the top of the pile column 2. Gaps are reserved between the U-shaped steel members. Several abutment blocks 31 are installed on the top of the pile column 2, and the abutment blocks 31 are installed between the U-shaped steel members. Several reinforcing ribs 32 are also installed within the gaps between the U-shaped steel members. The two ends of the reinforcing ribs 32 are connected to the outside of the U-shaped steel members. With the cooperation of the abutment blocks 31 and the reinforcing ribs 32, the stress distribution at the connection node between the bridge span body 3 and the pile column 2 is optimized, improving the reliability of the connection between the bridge span body 3 and the pile column 2. The U-shaped steel members include U-shaped steel plates 33, which are installed on the top of the pile column 2. Several U-shaped ribs 34 are installed inside the U-shaped steel plates 33. Ribs 34 are linearly arrayed along the inner wall of the U-shaped steel plate 33. Several ribs 35 are installed inside the U-shaped steel plate 33. A circular hole 36 is opened in the center of each rib 35. The ribs 35 are arranged linearly along the U-shaped steel plate 33 and located in the gaps between the U-shaped ribs 34. The U-shaped steel component also includes several ribs 37. The ribs 37 are installed along the length of the U-shaped steel plate 33 and penetrate the U-shaped ribs 34. The ribs 37, U-shaped ribs 34, ribs 35 and the U-shaped steel component are all made of steel. The structure of U-shaped ribs 34, ribs 35 and ribs 37 inside the U-shaped steel component enhances the local stiffness and bending and shear resistance of the bridge span body 3, disperses the concentrated stress that occurs under repeated vehicle loads, and extends the service life of the steel structure.

[0017] The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various equivalent transformations can be made to the technical solutions of the present invention, and all such equivalent transformations fall within the protection scope of the present invention.

Claims

1. A steel structure for building bridges and roads, comprising bridge piles and a bridge span body (3), wherein the bridge span body (3) is installed on top of the bridge piles, characterized in that, The bridge piles include several support piers (1) and pile columns (2). The pile columns (2) are respectively installed at both ends of the bridge span body (3). The support piers (1) are installed in a rectangular array below the bridge span body (3) and between the pile columns (2). The support pier (1) includes a pier seat (11). The pier seat (11) is located below the bridge span body (3). A column (12) is installed on the top of the pier seat. Several reinforcing members are installed between the columns (12). The reinforcing members are installed in a linear array along the length direction of the column (12) to connect and limit the columns (12) to each other.

2. A steel structure for building bridges and roads according to claim 1, characterized in that, The reinforcing member includes several reinforcing beams (13), which are arranged opposite each other with a gap between them. The two ends of the reinforcing beams (13) are respectively installed on the outer walls of two adjacent columns (12). Two opposite mounting rods (14) are installed in the gap between the reinforcing beams (13). The two ends of the mounting rods (14) are respectively connected to the reinforcing beams (13). Reinforcing plates (15) are installed on both sides of the center of the mounting rods (14). Support plates (16) are installed between the reinforcing plates (15). The support plates (16) are connected at their ends to form a rhomboid support.

3. A steel structure for building bridges and roads according to claim 2, characterized in that, The reinforcing beam (13), mounting rod (14), reinforcing plate (15), and support plate (16) in the reinforcing components are all made of steel.

4. A steel structure for building bridges and roads according to claim 1, characterized in that, The bridge span body (3) includes several U-shaped steel members, which are linearly arrayed and installed on the top of the pile column (2). There is a gap between the U-shaped steel members. Several abutment blocks (31) are installed on the top of the pile column (2). The abutment blocks (31) are installed between the U-shaped steel members. Several reinforcing ribs (32) are also installed in the gap between the U-shaped steel members. The two ends of the reinforcing ribs (32) are connected to the outside of the U-shaped steel members.

5. A steel structure for building bridges and roads according to claim 4, characterized in that, The U-shaped steel component includes a U-shaped steel plate (33), which is installed on the top of the pile (2). A number of U-shaped ribs (34) are installed inside the U-shaped steel plate (33). The U-shaped ribs (34) are linearly arranged along the inner wall of the U-shaped steel plate (33). A number of rib blocks (35) are installed inside the U-shaped steel plate (33). A circular hole (36) is opened in the center of each rib block (35). The rib blocks (35) are arranged linearly along the U-shaped steel plate (33) and located in the gaps between the U-shaped ribs (34).

6. A steel structure for building bridges and roads according to claim 5, characterized in that, The U-shaped steel component also includes several ribs (37), which are installed along the length of the U-shaped steel plate (33) and pass through the U-shaped ribs (34).

7. A steel structure for building bridges and roads according to claim 6, characterized in that, The ribs (37), the U-shaped ribs (34), the rib blocks (35), and the U-shaped steel parts are all made of steel.

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