Combined bridge waterproof connecting structure

Abstract

The utility model relates to the technical field of bridge construction, in particular to a combined type bridge waterproof connecting structure which comprises a corrugated steel web, a bridge connecting structure is installed at the bottom end of the corrugated steel web, the bridge connecting structure comprises a concrete bottom plate arranged at the bottom end of the corrugated steel web, and front-row wedge-shaped mounting holes are formed in the surface of the concrete bottom plate. A supporting seat is arranged at the top end of the concrete bottom plate and attached to the outer side of the corrugated steel web, a compression-resistant layer is fixedly connected to the inner side wall of the supporting seat, a rock wool waterproof layer is fixedly connected to the inner side wall of the compression-resistant layer, and a drainage groove is formed in the supporting seat. The corrugated steel web is matched with the bridge connecting structure, the rock wool waterproof layer is hidden through attachment of the supporting base and the corrugated steel web, the rock wool waterproof layer is prevented from being directly illuminated and air-dried, the service life of the rock wool waterproof layer is prolonged, redundant water permeating into the supporting base is drained through the drainage groove, and therefore the waterproofness of the rock wool waterproof layer is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge building technical field, concretely relates to a combined bridge waterproof connecting structure. BACKGROUND

[0002] The combined structure bridge with the beam bridge span as the basic structure, after two or more systems overlap, the reaction force property of the overall structure is still the same as the characteristics of the beam under the bending action load. The characteristics of this kind of bridge mainly manifest in that the design calculation work is heavy, the construction details and the internal force are complex. The corrugated steel web prestressed concrete box girder bridge, also called the corrugated steel web PC bridge, is the box girder with the corrugated steel plate replacing the concrete web of the prestressed concrete box girder as the web.

[0003] The existing corrugated steel web combined bridge waterproof connecting structure generally applies sealing glue at the joint for waterproofing, but due to long-term exposure to air, the waterproof effect is not significant due to aging caused by air drying, which affects the service life of the bridge.

[0004] Therefore, it is necessary to invent a combined bridge waterproof connecting structure to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model discloses a kind of combined bridge waterproof connecting structure, and the waterproofness and firmness of corrugated steel web and bridge connecting structure are increased by cooperation, to solve the problem that sealing glue is easily caused by air drying aging and leads to that waterproof effect is not significant, affects the service life of bridge in prior art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of combined bridge waterproof connecting structure, including corrugated steel web, the bottom end of the corrugated steel web is installed with bridge connecting structure, the bridge connecting structure includes the concrete bottom plate being set to the bottom end of corrugated steel web, the surface of the concrete bottom plate is equipped with front row wedge-shaped mounting hole, the surface of the concrete bottom plate is equipped with rear row wedge-shaped mounting hole and rear row wedge-shaped mounting hole and front row wedge-shaped mounting hole are staggered distribution, the top of the concrete bottom plate is provided with support seat, the outer side of the corrugated steel web is attached to the support seat, the bottom end of the support seat is fixedly connected with two groups of wedge-shaped connecting blocks and wedge-shaped connecting blocks are respectively formed with the plug-in relationship of front row wedge-shaped mounting hole, rear row wedge-shaped mounting hole, the inner side wall of the support seat is fixedly connected with compression layer, the inner side wall of the compression layer is fixedly connected with rock wool waterproof layer, the inside of the support seat is equipped with drainage groove, rock wool waterproof layer is hidden by the cooperation of support seat and rock wool waterproof layer to avoid air drying, and the infiltrated water is guided to the outside of support seat by drainage groove.

[0007] Preferably, the drainage groove has a certain curvature, the highest point of the drainage groove is lower than the lowest point of the rock wool waterproof layer, and the characteristics of the drainage groove are used to accelerate the water flow and facilitate the water flow to be discharged to avoid affecting other parts.

[0008] Preferably, one side of the support base is attached with a plurality of groups of side fixing blocks, one side of the side fixing block is threadedly connected with a plurality of groups of third bolts, and the third bolts are threadedly connected with the surface of the concrete bottom plate, and the side fixing blocks are used to assist in supporting and reinforcing the support base.

[0009] Preferably, the back of the corrugated steel web is threadedly connected with a first bolt, the first bolt penetrates through the corrugated steel web and extends to the inside of the support base and is threadedly connected with the support base, and the first bolt is further used to reinforce the connection between the corrugated steel web and the support base.

[0010] Preferably, the top end of the support base is fixedly connected with a support cylinder, the inside of the support cylinder is threadedly connected with a threaded top rod, the top end of the threaded top rod is threadedly connected with a second bolt, and the threaded top rod is used to support the top structure.

[0011] Preferably, the outside of the second bolt is threadedly connected with a concrete top plate, the concrete top plate is in contact with the top end of the corrugated steel web, and a plurality of main reinforcements and a plurality of prestressed strands are fixedly and penetratingly arranged in the concrete top plate, so as to reinforce the stability of the structure.

[0012] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0013] 1. By cooperating the corrugated steel web with the bridge connection structure, the contact area of the support base and the concrete bottom plate is larger by cooperating the front row of wedge-shaped mounting holes, the rear row of wedge-shaped mounting holes and the wedge-shaped connecting blocks, so that the pressure on the top can be uniformly dispersed, the connection between the two is more firm, the rock wool waterproof layer is hidden by the cooperation of the support base and the corrugated steel web, direct exposure to light and air drying is avoided to prolong the service life, and the excess water flowing into the inside of the support base is discharged by the drainage groove, so as to increase the waterproofness.

[0014] 2. By cooperating the side fixing blocks, the support cylinder and other parts, the pressure of the concrete top plate can be further shared by the cooperation of the support cylinder and the threaded top rod, the side fixing blocks and the third bolts are used to assist the support base to share the pressure and prevent deformation, and the prestress of the concrete top plate is increased by the prestressed strands inside the concrete top plate, so as to increase the fatigue resistance. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments will be briefly introduced as follows. Obviously, the accompanying drawings in the following description only represent some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0016] Figure 1 It is a whole first visual angle structural schematic view of the utility model;

[0017] Figure 2 It is a whole second visual angle structural schematic view of the utility model;

[0018] Figure 3 It is a sectional structure schematic view of the utility model;

[0019] Figure 4 It is a whole first visual angle structural schematic view of the utility model; Figure 3 It is an enlarged structure schematic view of A in the utility model;

[0020] Figure 5 It is a whole second visual angle structural schematic view of the utility model; Figure 3 It is an enlarged structure schematic view of B in the utility model.

[0021] Mark explanation:

[0022] 1, corrugated steel web; 2, bridge connecting structure; 201, concrete bottom plate; 202, front row of wedge-shaped mounting holes; 203, rear row of wedge-shaped mounting holes; 204, support seat; 205, wedge-shaped connecting block; 206, rock wool waterproof layer; 207, compression-resistant layer; 208, drainage groove; 3, support cylinder; 4, No. 1 bolt; 5, concrete top plate; 6, side fixing block; 7, threaded top rod; 8, No. 2 bolt; 9, No. 3 bolt. Specific implementation

[0023] In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail below with reference to the accompanying drawings.

[0024] The utility model provides a Figures 1-5The utility model provides a kind of combined bridge waterproof connecting structure shown, including corrugated web 1, the bottom end of corrugated web 1 is equipped with bridge connecting structure 2, bridge connecting structure 2 includes the concrete bottom plate 201 being arranged at the bottom end of corrugated web 1, the surface of concrete bottom plate 201 is equipped with front row wedge-shaped mounting hole 202, the surface of concrete bottom plate 201 is equipped with rear row wedge-shaped mounting hole 203 and rear row wedge-shaped mounting hole 203 is staggered distribution with front row wedge-shaped mounting hole 202, increase its contact area with subsequent parts by its wedge-shaped structure, the top of concrete bottom plate 201 is provided with support seat 204, support seat 204 is attached with the outside of corrugated web 1, the bottom end of support seat 204 is fixedly connected with two groups of wedge-shaped connecting blocks 205 and wedge-shaped connecting blocks 205 are respectively formed with the plug-in relationship of front row wedge-shaped mounting hole 202, rear row wedge-shaped mounting hole 203, to then fix support seat 204, the inner side wall of support seat 204 is fixedly connected with compression layer 207, the inner side wall of compression layer 207 is fixedly connected with rock wool waterproof layer 206, drainage groove 208 is opened in the inside of support seat 204, rock wool waterproof layer 206 is hidden by using the cooperation of support seat 204 and rock wool waterproof layer 206 to avoid air drying, and the water that penetrates is guided to the outside of support seat 204 using drainage groove 208, drainage groove 208 has certain camber, the highest point of drainage groove 208 is lower than the lowest point of rock wool waterproof layer 206, the characteristics of drainage groove 208 are used to accelerate water flow to facilitate its discharge to avoid affecting other parts, by the cooperation of corrugated web 1 and bridge connecting structure 2, the contact area of support seat 204 and concrete bottom plate 201 is larger by the cooperation of front row wedge-shaped mounting hole 202, rear row wedge-shaped mounting hole 203 and wedge-shaped connecting block 205, so that the pressure of top can be evenly dispersed, the connection of two is more firm, and rock wool waterproof layer 206 is hidden by using the attachment of support seat 204 and corrugated web 1, to avoid that it directly receives illumination and air drying to prolong its service life, and the water flow that extra penetrates inside support seat 204 is discharged using drainage groove 208, to increase its waterproof property.

[0025] Refer to the attached drawings in the specification Figures 1-5The back surface of the corrugated steel web 1 is threadedly connected with a No. 1 bolt 4, the No. 1 bolt 4 penetrates through the corrugated steel web 1 and extends into the inside of the support seat 204 and is threadedly connected with the support seat 204, the No. 1 bolt 4 further reinforces the connection between the corrugated steel web 1 and the support seat 204, the top end of the support seat 204 is fixedly connected with a support cylinder 3, the inside of the support cylinder 3 is threadedly connected with a threaded top rod 7, the top end of the threaded top rod 7 is threadedly connected with a No. 2 bolt 8, the top structure is supported by the threaded top rod 7, the outside of the No. 2 bolt 8 is threadedly connected with a concrete top plate 5, the concrete top plate 5 is in contact with the top end of the corrugated steel web 1, a plurality of main reinforcement bars are fixedly arranged in the inside of the concrete top plate 5 and a plurality of prestressed strands are fixedly arranged in the inside of the concrete top plate 5, so as to reinforce the stability of the structure, the cooperation of the side fixing blocks 6, the support cylinder 3 and other parts enables the threaded top rod 7 to further share the pressure of the concrete top plate 5 by the cooperation of the support cylinder 3 and the threaded top rod 7, the side fixing blocks 6 and the No. 3 bolts 9 assist the support seat 204 to share the pressure and prevent the deformation of the support seat 204, and the inside prestressed strands of the concrete top plate 5 increase the prestress and the fatigue resistance.

[0026] The utility model discloses a working principle:

[0027] Referring to the drawings in the specification Figures 1-5 After the corrugated steel web 1 and the bridge connecting structure 2 are installed, the cooperation of the front row of wedge-shaped mounting holes 202, the rear row of wedge-shaped mounting holes 203 and the wedge-shaped connecting blocks 205 enables the contact area of the support seat 204 and the concrete bottom plate 201 to be larger, so that the pressure on the top can be uniformly dispersed, the connection of the two is more firm, the rock wool waterproof layer 206 is hidden by the cooperation of the support seat 204 and the corrugated steel web 1, direct exposure to light and air drying is avoided, the service life is prolonged, the excess water seeping into the inside of the support seat 204 is discharged by the drainage groove 208, so as to increase the waterproofness, the threaded top rod 7 can further share the pressure of the concrete top plate 5 by the cooperation of the support cylinder 3 and the threaded top rod 7, the side fixing blocks 6 and the No. 3 bolts 9 assist the support seat 204 to share the pressure and prevent the deformation of the support seat 204, and the inside prestressed strands of the concrete top plate 5 increase the prestress and the fatigue resistance.

[0028] The above only describes certain exemplary embodiments of the utility model in a descriptive manner, without doubt, for ordinary skilled in the art, under the condition that deviating from the spirit and scope of the utility model, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A combined bridge waterproof connection structure comprising a corrugated steel web (1), characterized in that: The bottom end of the corrugated steel web (1) is provided with a bridge connecting structure (2), the bridge connecting structure (2) comprises a concrete bottom plate (201) arranged at the bottom end of the corrugated steel web (1), the surface of the concrete bottom plate (201) is provided with a front row of wedge-shaped mounting holes (202), the surface of the concrete bottom plate (201) is provided with a rear row of wedge-shaped mounting holes (203) staggered with the front row of wedge-shaped mounting holes (202), the top end of the concrete bottom plate (201) is provided with a support seat (204) which is attached to the outer side of the corrugated steel web (1), the bottom end of the support seat (204) is fixedly connected with two groups of wedge-shaped connecting blocks (205) which are respectively in a plug-in relationship with the front row of wedge-shaped mounting holes (202) and the rear row of wedge-shaped mounting holes (203), the inner side wall of the support seat (204) is fixedly connected with a compression-resistant layer (207), the inner side wall of the compression-resistant layer (207) is fixedly connected with a rock wool waterproof layer (206), and the inside of the support seat (204) is provided with a drainage groove (208).

2. The combined bridge waterproof connection structure according to claim 1, characterized in that: The drainage groove (208) has a certain curvature, and the highest point of the drainage groove (208) is lower than the lowest point of the rock wool waterproof layer (206).

3. The combined bridge waterproof connection structure according to claim 1, characterized in that: The support seat (204) is attached to a plurality of groups of side fixing blocks (6) on one side, the side fixing blocks (6) are threadedly connected with a plurality of groups of No. 3 bolts (9) on one side, and the No. 3 bolts (9) are threadedly connected with the surface of the concrete bottom plate (201).

4. The combined bridge waterproof connection structure according to claim 1, characterized in that: The back of the corrugated steel web (1) is threadedly connected with a No. 1 bolt (4), the No. 1 bolt (4) penetrates through the corrugated steel web (1) and extends to the inside of the support seat (204) and is threadedly connected with the support seat (204).

5. The combined bridge waterproof connection structure according to claim 1, characterized in that: The top end of the support seat (204) is fixedly connected with a support cylinder (3), the inside of the support cylinder (3) is threadedly connected with a threaded top rod (7), and the top end of the threaded top rod (7) is threadedly connected with a No. 2 bolt (8).

6. The combined bridge waterproof connection structure according to claim 5, characterized in that: The outer side of the No. 2 bolt (8) is threadedly connected with a concrete top plate (5), the concrete top plate (5) is in contact with the top end of the corrugated steel web (1), and a plurality of main reinforcement bars and a plurality of prestressed strands are fixedly and penetratingly arranged in the concrete top plate (5).

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