CN209323368U - A kind of bridge floor concrete structure - Google Patents

Abstract

The utility model provides a kind of bridge floor concrete structure, is especially used for concrete structure technique field.Including supporting frame, supporting frame is reinforced concrete structure, the top center of supporting frame is equipped with cavity, is provided, in sequence from bottom to top, with the first buffer layer, the second buffer layer, third buffer layer, concrete layer and waterproof layer and asphaltic resin layer in cavity, is embedded with metal net layer in concrete layer；Several main frame bodies are uniformly embedded in the bottom of supporting frame；Main frame body includes several first reinforcement rods, the structure distribution in a ring of all first reinforcement rods on same main frame body, and the first reinforcement rod on same main frame body passes through iron wire and connects；The utility model passes through the setting of the first buffer layer, the second buffer layer, third buffer layer, shakes to vehicle to run and carries out damping layer by layer, absorbs, to reduce influence of the vibration to bridge structure to greatest extent, guarantees vehicle safe driving；And enhance the rigidity of entire supporting frame by the way that main frame body is arranged.

Description

Concrete structure of a bridge deck

technical field

The utility model relates to the technical field of concrete structures, in particular to a bridge deck concrete structure.

Background technique

Ordinary concrete refers to the artificial stone made of cement as the main cementitious material, mixed with water, sand, stones, chemical admixtures and mineral admixtures when necessary, mixed in an appropriate proportion, and uniformly stirred, compacted and cured. .

Bridges generally refer to structures erected on rivers, lakes and seas to allow vehicles and pedestrians to pass smoothly. A bridge is generally composed of a superstructure, a substructure, a support and ancillary structures. The superstructure is also called a bridge span structure, which is the main structure for crossing obstacles; the substructure includes abutments, piers and foundations; Or the force transmission device installed at the supporting place of the bridge abutment; the auxiliary structures refer to the bridge head board, conical slope protection, bank protection, diversion works, etc.

At present, in the existing bridge construction, the bridge deck structure tends to be modularized and assembled. However, there are gaps in this assembly, and the traditional concrete structure does not have the shock absorption function, which causes the bridge deck to vibrate greatly when vehicles are walking on the bridge deck. , is not conducive to the safety of the bridge.

Utility model content

The purpose of this utility model is to provide a bridge deck concrete structure to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A bridge deck concrete structure, comprising a support frame body, the support frame body is a reinforced concrete structure, a concave cavity is arranged in the center of the top of the support frame body, and a first shock-absorbing layer, a second shock-absorbing layer, and a second The shock-absorbing layer, the third shock-absorbing layer, the concrete layer, the waterproof layer and the asphalt resin layer, the metal mesh layer is embedded in the concrete layer.

In order to further improve the use effect of a bridge deck concrete structure, a plurality of main frame bodies are evenly embedded in the bottom of the supporting frame body, and the cross section of the main frame body is a rectangular structure.

In order to further improve the use effect of a bridge deck concrete structure, the main frame body includes a number of first steel bars, all the first steel bars on the same main frame body are distributed in a ring structure, and the first steel bar bars on the same main frame body Connected by wire.

In order to further improve the use effect of a bridge deck concrete structure, all iron wires are connected by stainless steel metal mesh.

In order to further improve the use effect of the bridge deck concrete structure, a plurality of second reinforcement rods of different lengths are evenly embedded on the main frame body.

In order to further improve the use effect of a bridge deck concrete structure, the left and right sides of the topmost second steel bar on the main frame body are symmetrically provided with the third steel bar matched with the supporting frame body, and all the third steel bar Evenly embedded in the left and right sides of the support frame body.

In order to further improve the use effect of a bridge deck concrete structure, the bottom wall of the cavity is evenly embedded with a number of fourth reinforcement rods that match the concrete layer, and the bottom ends of the fourth reinforcement rods are fixedly connected to the main frame. On the top second steel bar on the body.

In order to further improve the use effect of the bridge deck concrete structure, the first shock absorbing layer is a mixed layer of coarse and fine sand, the second shock absorbing layer is a crushed ore layer, and the third shock absorbing layer is a fine sand layer.

In order to further improve the use effect of a bridge deck concrete structure, the waterproof layer is a polyurethane waterproof coating.

Compared with the prior art, the utility model, through the setting of the first shock-absorbing layer, the second shock-absorbing layer, and the third shock-absorbing layer, performs layer-by-layer shock absorption and absorption on the vehicle running vibration, thereby reducing the impact of vibration to the greatest extent. The impact of the bridge structure ensures the safe driving of the vehicle and improves the service life; and the rigidity of the entire support frame is enhanced by setting the main frame.

Description of drawings

Fig. 1 is the structural representation of the plan view of a kind of bridge deck concrete structure of the utility model;

Fig. 2 is the structural representation of the cross section of a kind of bridge deck concrete structure of the utility model;

Fig. 3 is a structural schematic diagram of a main frame body of a bridge deck concrete structure of the present invention.

In the figure: 1-supporting frame body, 2-cavity, 3-main frame body, 31-the first reinforcement rod, 32-iron wire, 33-stainless steel wire mesh, 4-the second reinforcement rod, 5-the third reinforcement rod , 6-the fourth steel bar, 7-the first shock-absorbing layer, 8-the second shock-absorbing layer, 9-the third shock-absorbing layer, 10-concrete layer, 11-metal mesh layer, 12-waterproof layer, 13- Asphalt resin layer.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In describing the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention. Novel and simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention through specific situations.

The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

Example 1

Please refer to Fig. 1～3, a kind of bridge deck concrete structure, comprises support frame body 1, and described support frame body 1 is reinforced concrete structure, and the top center of support frame body 1 is provided with cavity 2, and described cavity 2 The first shock-absorbing layer 7, the second shock-absorbing layer 8, the third shock-absorbing layer 9, the concrete layer 10, the waterproof layer 12 and the asphalt resin layer 13 are provided in sequence from bottom to top. The first shock-absorbing layer 7 It is a mixed layer of coarse and fine sand, the second damping layer 8 is a crushed ore layer, the third damping layer 9 is a fine sand layer, and the concrete layer 10 is embedded with a metal mesh layer 11. The waterproof layer 12 is a polyurethane waterproof coating, through the setting of the first shock-absorbing layer 7, the second shock-absorbing layer 8, and the third shock-absorbing layer 9, the vibration of the vehicle is damped and absorbed layer by layer, thereby reducing the shock to the greatest extent. The impact of vibration on the bridge structure ensures the safe driving of vehicles and improves the service life.

Example 2

This embodiment is a further elaboration on the basis of Embodiment 1. Several main frame bodies 3 are evenly embedded in the bottom of the support frame body 1. The cross section of the main frame body 3 is a rectangular structure. Body 3 includes several first reinforcement rods 31, all the first reinforcement rods 31 on the same main frame body 3 are distributed in a ring structure, and the first reinforcement rods 31 on the same main frame body 3 are connected by iron wires 32, and all the iron wires 32 are connected by stainless steel metal mesh 33, and the rigidity of the whole supporting frame body 1 is enhanced by setting the main frame body 3.

The main frame body 3 is evenly embedded with a number of second reinforcement rods 4 of different lengths, so as to further enhance the rigidity of the supporting frame body 1 .

The left and right sides of the topmost second reinforcement rod 4 on the main frame body 3 are symmetrically provided with the third reinforcement rod 5 matched with the support frame body 1, and all the third reinforcement rods 5 are evenly embedded in the Support the left and right sides of the frame body 1, thereby enhancing the rigidity of the left and right sides of the support frame body 1.

The inner cavity bottom wall of the cavity 2 is uniformly embedded with a number of fourth reinforcement rods 6 matched with the concrete layer 10, and the bottom ends of the fourth reinforcement rods 6 are fixedly connected to the top end of the main frame body 3. On the second steel bar 4, the tightness between the concrete layer 10 and the support frame body 1 is enhanced by setting the fourth steel bar 6.

The innovation of this utility model is that through the setting of the first damping layer 7, the second damping layer 8, and the third damping layer 9, the vibration of the vehicle is damped and absorbed layer by layer, thereby reducing the vibration to the greatest extent. The impact on the bridge structure ensures the safe driving of vehicles and improves the service life.

The preferred implementation of this patent has been described in detail above, but this patent is not limited to the above-mentioned implementation. Within the scope of knowledge of those of ordinary skill in the art, various implementations can be made without departing from the purpose of this patent. kind of change.

Claims (9)

1. a kind of bridge floor concrete structure, including supporting frame (1), supporting frame (1) is reinforced concrete structure, special Sign is that the top center of supporting frame (1) is equipped with cavity (2), is provided, in sequence from bottom to top, with the first buffer layer in cavity (2) (7), the second buffer layer (8), third buffer layer (9), concrete layer (10) and waterproof layer (12) and asphaltic resin layer (13) mix Metal net layer (11) are embedded in solidifying soil layer (10).

2. a kind of bridge floor concrete structure according to claim 1, which is characterized in that the bottom of supporting frame (1) It is inside uniformly embedded with several main frame bodies (3), the cross section of main frame body (3) is rectangular configuration.

3. a kind of bridge floor concrete structure according to claim 2, which is characterized in that main frame body (3) includes several First reinforcement rod (31), all first reinforcement rods (31) on same main frame body (3) structure distribution in a ring, same main frame body (3) the first reinforcement rod (31) on is connected by iron wire (32).

4. a kind of bridge floor concrete structure according to claim 3, which is characterized in that between all iron wires (32) It is connected by stainless steel wire mesh (33).

5. a kind of bridge floor concrete structure according to claim 2, which is characterized in that uniform on main frame body (3) It is embedded with several second reinforcement rods (4) different in size.

6. a kind of bridge floor concrete structure according to claim 5, which is characterized in that top on main frame body (3) The second reinforcement rod (4) at left and right sides of be symmetrically arranged with the third reinforcement rod (5) matched with supporting frame (1), all Three reinforcement rods (5) are uniformly embedded in the left and right sides of supporting frame (1).

7. a kind of bridge floor concrete structure according to claim 6, which is characterized in that the bottom wall of inner cavity of cavity (2) Several the 4th reinforcement rods (6) matched with concrete layer (10) are uniformly embedded with, the bottom end of the 4th reinforcement rod (6) is fixed to be connected It connects in the second reinforcement rod (4) of the top on main frame body (3).

8. a kind of bridge floor concrete structure according to claim 1, which is characterized in that the first buffer layer (7) be it is thick, Fine sand mixed layer, the second buffer layer (8) are muck rock layers, and third buffer layer (9) is fine sand layer.

9. a kind of bridge floor concrete structure according to claim 1, which is characterized in that waterproof layer (12) is polyurethane Waterproof coating.