Bridge for communicating highways on two sides of river channel

Abstract

The utility model relates to a bridge for communicating highways on two sides of a river channel, which comprises a plurality of groups of piers, a plurality of rubber supports and a plurality of connecting pieces, the bridge deck slab is arranged at the tops of the two adjacent sets of bridge piers and supported through rubber supports and comprises a plurality of hollow slab beams which are arranged side by side in the length direction of the bridge, a hinge joint is arranged between every two adjacent hollow slab beams, an anchor bolt structure connected with a bridge pier cover beam is arranged in each hinge joint, and a waterproof buffer structure is arranged at a continuous joint on the bridge deck slab. A telescopic structure is arranged at the expansion joint between the bridge spans; the bridge deck pavement concrete layer is poured on the top of the bridge deck slab, and the hinge joint is filled; the medium-grain asphalt concrete layer is poured on the top of the bridge deck pavement concrete layer; and the fine grain type asphalt concrete layer is poured on the top of the medium grain type asphalt concrete layer. Compared with a traditional bridge, the overall performance and durability are improved, and the using effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge field especially for a bridge for connecting the highway of river course both sides. BACKGROUND

[0002] According to the traffic flow information of a certain area, bridge is often set on the river course, for connecting the original highway of river course both sides. At present, the traditional bridge has the following problems: setting single waterproof layer, waterproof effect is limited, moisture can easily penetrate into the bridge structure through the gap, leading to the problems such as steel corrosion, concrete deterioration. The structural stability is insufficient, the connecting mode of expansion joint and hinge joint can not be firm enough, displacement and looseness can easily appear, and most of the bridges adopt rigid connection, can not adapt to the deformation caused by temperature change and vehicle load well, cracks and stress concentration can easily appear, and the deformation adaptation ability is poor. SUMMARY

[0003] The utility model aims at solving the insufficient of prior art, and provides a bridge for connecting the highway of river course both sides.

[0004] The utility model discloses a bridge for connecting the highway of river course both sides, which comprises a plurality of groups of bridge piers, each group of bridge piers is provided with a bridge pier cap beam, and further comprises:

[0005] Rubber bearing, a plurality of rubber bearings are arranged side by side on the top of the bridge pier cap beam;

[0006] Bridge deck, the bridge deck is arranged on the top of the two adjacent groups of bridge piers and supported by the rubber bearing, comprising a plurality of hollow slab beams, the plurality of hollow slab beams are arranged side by side along the length direction of the bridge, hinge joints are arranged between the two adjacent hollow slab beams, anchor bolt structures connected with the bridge pier cap beam are arranged in the hinge joints, waterproof buffer structures are arranged at the continuous joints on the bridge deck, expansion joints between the bridge spans are provided with expansion structures;

[0007] Bridge deck pavement concrete layer, which is poured on the top of the bridge deck and fills the hinge joints;

[0008] Medium-grained asphalt concrete layer, which is poured on the top of the bridge deck pavement concrete layer;

[0009] Fine-grained asphalt concrete layer, which is poured on the top of the medium-grained asphalt concrete layer.

[0010] In particular, the anchor bolt structure comprises two anchor bolts, the two anchor bolts are welded in an inverted Y shape, the lower part is embedded in the bridge pier cap beam, the upper part is sleeved with a steel sleeve, the outer wall of the steel sleeve is in contact with the inner wall of the lower part of the hinge joint, the bottom wall is in contact with the top of the bridge pier cap beam, and the steel sleeve is filled with asphalt paste.

[0011] Particularly, the first steel bar is arranged in the hinge joint, the hollow slab beam is pre-buried with the second steel bar near the hinge joint, the first steel bar is welded and fixed with the second steel bar, and the bottom joint of the hinge joint is filled with a mortar layer.

[0012] Particularly, the waterproof buffer structure comprises a high-foaming polyethylene plate filled in the continuous joint, a layer of asphalt-dipped felt is laid on the top of the high-foaming polyethylene plate, and two waterproof layers are coated on the top of the felt.

[0013] Particularly, the expansion structure comprises an anchoring steel bar pre-buried in the bridge deck slab and the bridge deck pavement concrete layer, the bridge deck pavement concrete layer is pre-buried with a steel plate fixed with the anchoring steel bar near the expansion joint, the inner wall of the expansion joint is provided with a profile steel fixed with the steel plate, and the opposite two profile steels are connected with a rubber sealing strip.

[0014] Particularly, the pier stoppers are arranged on both sides of the pier cap beam.

[0015] Particularly, a plurality of traffic barriers are arranged at equal intervals on the edge of the bridge deck pavement concrete layer.

[0016] The beneficial effects of the utility model are as follows: compared with the traditional bridge, the utility model is provided with multiple waterproof and sealing measures to effectively prevent water penetration, and the waterproof performance is enhanced; through the rubber support, the anchoring steel bar, the steel plate and the profile steel and other structural members, the overall structural stability is improved; the design of the expansion joint and the continuous joint allows the bridge to freely expand and contract, reduces stress concentration, and makes the bridge adapt to temperature changes and deformation; high-quality materials and multiple protective measures prolong the service life of the bridge; the multi-layer pavement of the bridge deck provides better road flatness and wear resistance, prolongs the service life of the bridge deck, and improves the comfort and safety of driving. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is an anchor bolt structural schematic view of the utility model;

[0019] Figure 3 It is a hinge joint internal structure schematic view of the utility model;

[0020] Figure 4 It is a waterproof buffer structure schematic view of the utility model;

[0021] Figure 5 It is an expansion structure schematic view of the utility model;

[0022] In the figure: 1-pier cap beam; 2-rubber support; 3-bridge deck slab; 31-hollow slab beam; 311-second steel bar; 32-hinge joint; 321-first steel bar; 322-mortar layer; 33-anchor bolt structure; 331-anchor bolt; 332-steel sleeve; 333-asphalt paste; 34-waterproof buffer structure; 341-high foamed polyethylene plate; 342-felt; 35-expansion structure; 351-anchoring steel bar; 352-steel plate; 353-shape steel; 354-rubber sealing strip; 4-bridge deck pavement concrete layer; 5-medium-grained asphalt concrete layer; 6-fine-grained asphalt concrete layer; 7-traffic barrier;

[0023] The utility model will be described below in detail in combination with the embodiments of the utility model and with reference to the drawings. DETAILED DESCRIPTION

[0024] The utility model will be described below in further detail in combination with the drawings and embodiments:

[0025] As Figures 1-5 shown, a bridge for connecting highways on both sides of a river channel comprises a plurality of groups of piers, each group of piers is provided with a pier cap beam 1 at the top, and the pier cap beam 1 is provided with a pier stopper on both sides, and further comprises:

[0026] A rubber support 2 is provided on the top of the pier cap beam 1.

[0027] A bridge deck slab 3 is provided on the top of the adjacent two groups of piers and is supported by the rubber support 2, and comprises a plurality of hollow slab beams 31, the hollow slab beams 31 are provided side by side along the length direction of the bridge, a hinge joint 32 is provided between the adjacent two hollow slab beams 31, the hinge joint 32 is provided with an anchor bolt structure 33 connected with the pier cap beam 1, the anchor bolt structure comprises two anchor bolts 331, the two anchor bolts are inversely Y-shapedly welded, the lower part is embedded in the pier cap beam 1, the upper part is sleeved with a steel sleeve 332, the outer wall of the steel sleeve 332 is in contact with the inner wall of the lower part of the hinge joint 32, the bottom wall is in contact with the top of the pier cap beam 1, and the steel sleeve 332 is filled with asphalt paste 333; the inversely Y-shapedly welded anchor bolt 33 is arranged in the hinge joint 32, and the steel sleeve 332 is sleeved and filled with the asphalt paste 333, so that the strength and stability of the structure are improved, and the later maintenance and inspection are facilitated.

[0028] A waterproof buffer structure 34 is provided at the continuous joint on the bridge deck slab 3, and the waterproof buffer structure 34 comprises a high foamed polyethylene plate 341 filled in the continuous joint, a layer of asphalt impregnated felt 342 is laid on the top of the high foamed polyethylene plate 341, two layers of waterproof layers are brushed on the top of the felt 342, and the waterproof layers can adopt waterproof paint or hot asphalt; the waterproof buffer structure 34 forms a multi-layer waterproof system between the bridge deck slab 3 and the bridge deck pavement concrete layer 4, effectively prevents water penetration, and provides necessary buffer and protection.

[0029] The expansion structure 35 is arranged at the expansion joint between the bridge spans, and comprises anchor steel bars 351 embedded in the bridge deck slab 3 and the bridge deck pavement concrete layer 4, a steel plate 352 embedded in the bridge deck pavement concrete layer 4 and fixedly connected with the anchor steel bars 351, profile steels 353 fixedly connected with the steel plate 352 and arranged on the inner side wall of the expansion joint, and rubber sealing strips 354 connected between the two profile steels 353.

[0030] The bridge deck pavement concrete layer 4 is poured on the top of the bridge deck slab 3 and fills the hinge joint 32, the first steel bars 321 are arranged in the hinge joint 32, the second steel bars 311 are embedded in the hollow slab beam 31 close to the hinge joint 32, the first steel bars 321 are fixedly connected with the second steel bars 311 by welding, and the bottom joint of the hinge joint 32 is filled with a mortar layer 322.

[0031] The fine-grained asphalt concrete layer 6 is poured on the top of the medium-grained asphalt concrete layer 5, and the bridge deck pavement concrete layer 4 is provided with a plurality of traffic barriers 7 at equal intervals at the edges.

[0032] The design of the expansion joint allows the bridge to freely expand under the displacement caused by temperature changes, vehicle loads and other factors, reduces the generation of structural stress and cracks, the high-foaming polyethylene plate 341 and the oil felt 342 in the continuous joint are combined, and the small deformation of the bridge deck slab 3 can be adapted, and the generation of cracks is reduced.

[0033] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0034] In addition, the terms "first", "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0035] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] The above describes the present application in conjunction with the drawings, obviously the specific implementation of the present application is not limited by the above manner, as long as various improvements are made by using the method concept and technical solution of the present application, or directly applied to other occasions without improvement, all within the protection scope of the present application.

Claims

1. A bridge for connecting highways on both sides of a river, comprising a plurality of groups of piers, each group of piers being provided at the top with a pier cap beam (1), characterized in that, Also include: Rubber support (2), several rubber support (2) is arranged side by side on the top of the pier cap beam (1); Bridge deck (3), bridge deck (3) is arranged on the top of two adjacent groups of piers and is supported by rubber support (2), comprising several hollow slab beams (31), several hollow slab beams (31) are arranged side by side along the length direction of the bridge, hinge joint (32) is arranged between adjacent two hollow slab beams (31), anchor bolt structure (33) connected with pier cap beam (1) is arranged in hinge joint (32), waterproof buffer structure (34) is arranged at the continuous joint on the bridge deck (3), expansion joint (35) is arranged between the bridge span. Bridge deck concrete layer (4) is poured on the top of bridge deck (3) and fills hinge joint (32); Medium grain asphalt concrete layer (5) is poured on the top of bridge deck concrete layer (4); Fine grain asphalt concrete layer (6) is poured on the top of medium grain asphalt concrete layer (5).

2. The bridge for connecting the roads on both sides of a river according to claim 1, wherein The anchor bolt structure comprises two anchor bolts (331), the two anchor bolts are inversely Y-shaped welded, the lower part is embedded in the pier cap beam (1), the upper part is sleeved with a steel sleeve (332), the outer wall of the steel sleeve (332) is in contact with the inner wall of the lower part of the hinge joint (32), the bottom wall is in contact with the top of the pier cap beam (1), and the steel sleeve (332) is filled with asphalt paste (333).

3. The bridge for connecting the roads on both sides of a river according to claim 1, wherein First reinforcing steel bars (321) are arranged in hinge joint (32), second reinforcing steel bars (311) are pre-buried on the side of hollow slab beam (31) close to hinge joint (32), first reinforcing steel bars (321) and second reinforcing steel bars (311) are welded and fixed, and the bottom joint of hinge joint (32) is filled with a mortar layer (322).

4. The bridge for connecting the roads on both sides of a river according to claim 1, wherein The waterproof buffer structure (34) comprises high foaming polyethylene plate (341) filled in the continuous joint, a layer of asphalt impregnated felt (342) is laid on the top of the high foaming polyethylene plate (341), and two layers of waterproof layer are brushed on the top of the felt (342).

5. The bridge for connecting the roads on both sides of a river according to claim 1, wherein The expansion joint (35) comprises anchor reinforcing steel bars (351) pre-buried in the bridge deck (3) and the bridge deck concrete layer (4), the steel plate (352) fixedly connected with the anchor reinforcing steel bars (351) is pre-buried on the side of the bridge deck concrete layer (4) close to the expansion joint, the inner side wall of the expansion joint is provided with profile steel (353) fixedly connected with the steel plate (352), and the rubber sealing strip (354) is connected between the two profile steels (353) opposite to each other.

6. The bridge for connecting the roads on both sides of a river according to claim 1, wherein Pier stop blocks are arranged on both sides of the pier cap beam (1).

7. The bridge for connecting the roads on both sides of a river according to claim 1, wherein Several traffic barriers (7) are arranged at equal intervals on the edge of the bridge deck concrete layer (4).

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