CN219410533U - Emergent drainage device of high-speed railway bridge floor - Google Patents

Abstract

The utility model discloses a bridge deck emergency drainage device for a high-speed railway, which comprises a bridge main body, wherein a bridge deck pavement layer is paved on the top surface of the bridge main body from the center to two sides, a protective wall is arranged on the outer side of the bridge main body, emergency drainage holes are formed in the bridge main body on two sides of the bridge deck pavement layer above a crossing highway and a railway along the length direction of the bridge main body, a bridge deck emergency drainage device is installed in the emergency drainage holes, the top end of the emergency drainage device is higher than a drainage slope surface formed by the bridge deck pavement layer by a certain height, a top cover is arranged on the top end of the emergency drainage device, and the bottom of the emergency drainage device extends out of the bottom surface of the bridge main body. According to the utility model, the bridge deck emergency drainage device can rapidly drain out the rain water with heavy rain or higher rainfall than normal rainfall out of the bridge deck of the bridge main body, so that the accumulated water on the bridge deck is avoided, the running safety of a train is ensured, and meanwhile, the whole drainage structure is reasonable in design, and is convenient for later inspection, maintenance and cleaning.

Description

Emergent drainage device of high-speed railway bridge floor

Technical Field

The utility model belongs to the technical field of railway bridge engineering, and particularly relates to an emergency drainage device for a bridge deck of a high-speed railway.

Background

Along with the gradual increase of high-speed railway bridges in China, in order to enhance the durability of bridge structures and ensure the life safety of train driving and passengers, a perfect drainage system is generally required to be arranged on the bridge so as to prevent the vehicle from skidding caused by accumulated water on the surface of the bridge.

Existing railway drainage systems are generally divided into two categories: the first is to drain water intensively, as shown in fig. 1, i.e. a plurality of vertical drain pipes 15 are arranged at two sides of the bridge at uniform intervals, and rainwater is drained to the ditch by the lower ends of the vertical drain pipes 15, the transverse drain pipes 16 at the bottoms of the flange plates and the pier pipes fixed on the piers; and secondly, the rainwater is directly discharged under the bridge through vertical drain pipes arranged on two sides of the bridge deck. The two types of drainage systems are suitable for common sections, but when the two types of drainage systems are arranged at the positions of a highway, a railway trunk line and the like, the first type of external drainage pipe has the risks of ageing and falling, the descending safety of the drainage pipe is influenced, the second type of drainage system is uniformly discharged under the bridge regardless of the rainfall, and certain potential safety hazards exist for the highway and the railway trunk line.

Disclosure of Invention

The utility model aims to provide a high-speed railway bridge deck emergency drainage device aiming at the defects in the prior art, and the utility model is realized by adopting the following technical scheme:

the utility model provides an emergent drainage device of high-speed railway bridge floor, includes bridge main body, bridge main body's top surface has laid bridge deck pavement layer to both sides by the center, bridge main body is provided with the protection wall in the external side of roof beam, bridge main body is provided with emergent wash port along length direction in bridge deck pavement layer both sides, install the emergent drainage device of bridge floor in the emergent wash port, emergent drainage device top exceeds the domatic certain height of drainage that the bridge deck pavement layer formed, emergent drainage device top is provided with the top cap, emergent drainage device bottom stretches out bridge main body roof beam body bottom surface.

The further preferable technical scheme is as follows: the protective wall is provided with break seams, the bridge main body is provided with emergency drain holes at intervals, and the break seams and the emergency drain holes are staggered.

The further preferable technical scheme is as follows: the bridge deck emergency drainage device comprises a drainage pipe, wherein the drainage pipe is made of stainless steel, a top cover is arranged at the top of the drainage pipe, and the drainage pipe is connected with a hollow steel bar in the middle of the top cover.

The further preferable technical scheme is as follows: the drain pipe is higher than the drainage slope formed by the bridge deck pavement layer by a certain height.

The further preferable technical scheme is as follows: the middle part of drain pipe is provided with the anchor reinforcing bar along radial symmetry, the anchor reinforcing bar buries in the bridge main part, just the anchor reinforcing bar with the drain pipe welding.

The further preferable technical scheme is as follows: and a waterproof coiled material and a coiled material additional layer are arranged between the drain pipe and the bridge deck pavement layer.

The further preferable technical scheme is as follows: and the joint of the drain pipe and the bridge deck pavement layer is subjected to coating edge sealing treatment.

The further preferable technical scheme is as follows: the bridge body is disposed at an upper position crossing a major road or railway.

The beneficial effects of the utility model are as follows:

according to the utility model, the emergency drain pipe is arranged, so that under the condition of heavy rain or rapid increase of rainfall, the rainwater on the bridge deck can be rapidly drained in an emergency way, the formation of accumulated water on the bridge deck is avoided, the bridge structure and the driving safety are ensured, and meanwhile, the whole design of the drain structure is reasonable, and the later inspection, maintenance and cleaning are convenient.

Drawings

Fig. 1 is a diagram of a drainage structure in a conventional high-speed railway bridge foundation.

Fig. 2 is a schematic view of an emergency drainage device according to the present utility model.

Fig. 3 is a detailed view of the emergency drain of the present utility model.

Fig. 4 is a schematic plan view of a top cover of the drainage device of the present utility model.

Fig. 5 is a schematic view of a cross section of a steel pipe and an anchor bar according to the present utility model.

In the figure: 1-bridge main body, 2-bridge deck pavement layer, 3-protective wall, 4-emergent drainage hole, 5-emergent drainage device, 6-drain pipe, 7-top cap, 8-fretwork billet, 9-anchor reinforcing bar, 10-waterproofing membrane, 11-coiled material additional layer, 12-coating banding, 15-vertical drain pipe, 16-horizontal drain pipe.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the utility model, the meaning of "a plurality" is two or more

Two or more are specifically defined unless otherwise indicated. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples: as shown in fig. 2 and 3, the embodiment discloses an emergency drainage device for a bridge deck of a high-speed railway, which comprises a bridge main body 1, wherein a bridge deck pavement layer 2 is paved on the top surface of the bridge main body 1 from the center to two sides, and the bridge deck pavement layer 2 is obliquely paved along the width direction of the bridge deck pavement layer, so that water is conveniently guided.

The bridge main body 1 is provided with the protection wall 3 in the external side of roof beam, and bridge main body 1 is provided with emergent drainage hole 4 along its length direction in crossing important highway, railway top bridge deck pavement layer's both sides, installs bridge deck emergency drainage device 5 in the emergent drainage hole 4, and emergency drainage device 5 top exceeds the domatic certain height of drainage that bridge deck pavement layer 2 formed, and emergency drainage device 5 top is provided with top cap 7, and bridge main body 1 roof beam bottom surface is stretched out to emergency drainage device 5 bottom.

The protective wall 3 is provided with break seams according to related design requirements, the bridge main body 1 is provided with emergency drain holes 4 at intervals, and the break seams and the emergency drain holes 4 are staggered. Specifically, 10 mm breaks are arranged in every 2 meters of the protective wall, and emergency drainage holes are arranged in every 4 meters of the protective wall.

As shown in fig. 4, the bridge deck emergency drainage device 5 comprises a drainage pipe 6, the drainage pipe 6 is made of stainless steel, a top cover 7 is arranged at the top of the drainage pipe, the drainage pipe 6 is connected with a hollow steel bar 8 in the middle of the top cover 7, and the hollow steel bar 8 can be a circumference with a 60-degree interval.

Wherein, the drain pipe 6 is higher than the drainage slope of the bridge main body 1 formed by the bridge deck pavement layer 2 by a certain height, and the height is determined by combining the comprehensive consideration of the local past heavy rain and sudden rainfall.

Wherein, the middle part of drain pipe 6 is provided with anchor reinforcing bar 9 along radial symmetry, and anchor reinforcing bar 9 buries in bridge main part 1, anchor reinforcing bar 9 and drain pipe 6 welding, and should guarantee sufficient welding strength.

Wherein, the bridge deck emergency drainage device 5 is arranged at a position crossing the upper part of the main road and the railway, and the rest general roads are considered to adopt medium-grade drainage or scattered drainage as shown in fig. 1.

As shown in fig. 2, a waterproof roll 10 and an additional layer 11 of roll are arranged between the drain pipe 6 and the bridge deck pavement layer 2.

As shown in fig. 2, the joint of the drain pipe 6 and the bridge deck pavement layer 2 is subjected to coating edge sealing 12, the edge sealing length or height is not less than 80mm, and the corrosion-resistant coating is subjected to impact test, corrosion test and the like according to relevant specifications, and provides a corrosion resistance test report of relevant mechanisms.

The welding parts of the drain pipe 6 and the anchor bar 9 as shown in fig. 5 must be performed in compliance with the welding specification, and effective corrosion prevention measures are taken to ensure the same durability as the member body.

Claims (8)

1. The utility model provides a emergent drainage device of high-speed railway bridge floor which characterized in that: including bridge main part (1), bridge main part (1)'s top surface has laid bridge deck pavement layer (2) to both sides by the center, bridge main part (1) is provided with protection wall (3) in the external side of roof beam, bridge main part (1) are provided with emergent wash port (4) along length direction in bridge deck pavement layer (2) both sides, install bridge deck emergency drainage device (5) in emergent wash port (4), emergent drainage device (5) top is higher than the domatic certain height of drainage that bridge deck pavement layer (2) formed, emergent drainage device (5) top is provided with top cap (7), emergent drainage device (5) bottom stretches out bridge main part (1) roof beam bottom surface.

2. The high-speed railway bridge deck emergency drainage device according to claim 1, wherein: the protection wall (3) is provided with break seams, the bridge main body (1) is provided with emergency drainage holes (4) at intervals, and the break seams and the emergency drainage holes (4) are staggered.

3. The high-speed railway bridge deck emergency drainage device according to claim 1, wherein: the bridge deck emergency drainage device (5) comprises a drainage pipe (6), the drainage pipe (6) is made of stainless steel, a top cover (7) is arranged at the top of the drainage pipe (6), and the drainage pipe (6) is connected with a hollowed steel bar (8) in the middle of the top cover (7).

4. A high-speed railway bridge deck emergency drainage device according to claim 3, wherein: the drain pipe (6) is higher than the drainage slope formed by the bridge deck pavement layer (2) by a certain height.

5. The high-speed railway bridge deck emergency drainage device according to claim 4, wherein: the middle part of drain pipe (6) is provided with anchor reinforcing bar (9) along radial symmetry, anchor reinforcing bar (9) buries in bridge main part (1), just anchor reinforcing bar (9) with drain pipe (6) welding.

6. The high-speed railway bridge deck emergency drainage device according to claim 1, wherein: a waterproof coiled material (10) and a coiled material additional layer (11) are arranged between the drain pipe (6) and the bridge deck pavement layer (2).

7. The high-speed railway bridge deck emergency drainage device according to claim 1, wherein: and the joint of the drain pipe (6) and the bridge deck pavement layer (2) is subjected to coating edge sealing (12).

8. The high-speed railway bridge deck emergency drainage device according to any one of claims 1 to 7, wherein: the bridge body (1) is arranged at an upper position crossing a main road or railway.