CN209798517U - Railway rigid frame type abutment - Google Patents

Railway rigid frame type abutment Download PDF

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Publication number
CN209798517U
CN209798517U CN201920419844.8U CN201920419844U CN209798517U CN 209798517 U CN209798517 U CN 209798517U CN 201920419844 U CN201920419844 U CN 201920419844U CN 209798517 U CN209798517 U CN 209798517U
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China
Prior art keywords
supporting wall
bearing platform
supporting
rigid frame
wall
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CN201920419844.8U
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Chinese (zh)
Inventor
车文庆
张敦宝
李传琳
蒋永联
高洪辉
姚志国
陈美伶
罗廷斌
孙希望
李鸿波
徐华
赵伟
何海滨
杨国怀
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CREEC Kunming Survey Design and Research Co Ltd
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CREEC Kunming Survey Design and Research Co Ltd
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Priority to CN201920419844.8U priority Critical patent/CN209798517U/en
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Abstract

The utility model provides a railway rigid frame formula abutment that construction cost is low, it includes the platform body, lie in between non-motor way and the motor way, the lower extreme is provided with the first cushion cap of first rigid frame pile foundation, the lower extreme is provided with second rigid frame pile foundation and the second cushion cap adjacent with the platform body, erect on first cushion cap and second cushion cap, be used for supporting orbital rigid frame body, erect on first cushion cap, make with rigid frame body an organic whole, be used for supporting the supporter of railway roof beam body, and the railway roof beam body that one end is connected with the rigid frame body through the support connecting device; the height of the first bearing platform is lower than that of the second bearing platform; the rigid frame body comprises a first supporting wall, a second supporting wall and a top plate, wherein the lower end of the first supporting wall is supported on the first bearing platform, the lower end of the second supporting wall is supported on the second bearing platform, the upper end of the second supporting wall is flush with the upper end of the first supporting wall, and the two ends of the top plate are fixedly connected with the first supporting wall and the second supporting wall respectively; the first supporting wall, the second supporting wall and the top plate are integrated.

Description

Railway rigid frame type abutment
Technical Field
The utility model belongs to the technical field of the railway traffic engineering technique and specifically relates to a railway rigid frame formula abutment.
Background
with the rapid development of economic construction in China, cities are rapidly developed, a modern urban road is being built, as the economic construction is also not separated from railway transportation, railway construction is also rapidly developed, the railway often has the condition that the railway needs to cross the urban road when passing near the cities, sometimes the railway is lifted to cross in order to meet the requirement of road clearance, abutment arrangement is generally carried out on two sides of the road, if the railway is designed according to the conventional railway T-shaped abutment, large excavation quantity, high abutment, high large cone and high large cone are inevitable to be generated, the railway is easy to crack, and the railway is neither economical nor safe, so that the research of an economic and safe abutment form is very necessary.
The conventional railway bridge abutment comprises a single-line T-shaped bridge abutment, a double-line rectangular hollow bridge abutment, a U-shaped bridge abutment, a light bridge abutment in an excavation part and the like, the T-shaped bridge abutment and the rectangular hollow bridge abutment are adopted in general sections, however, under the condition that urban roads are excavated at one point, a large excavation amount, a high bridge abutment and a large cone are inevitably generated by arranging the large T-shaped bridge abutment and the rectangular hollow bridge abutment, the large cone is easy to crack, and the bridge abutment is neither economical, nor safe and not attractive, and can not well adapt to the requirements of terrains.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a purpose aims at overcoming the not enough of prior art existence, provides a reducible excavation volume and reduces the just formula abutment of constructing of railway of abutment height.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
A railway rigid frame type bridge abutment comprises an abutment body, a first bearing platform, a second bearing platform, a rigid frame body, a supporting body and a railway beam body, wherein the first bearing platform is positioned between a non-motor vehicle lane and a motor vehicle lane, the lower end of the first bearing platform is provided with a first rigid frame pile foundation, the second bearing platform is positioned on the other side of the non-motor vehicle lane, the lower end of the second bearing platform is provided with a second rigid frame pile foundation, the second bearing platform is adjacent to the abutment body, the rigid frame body is erected on the first bearing platform and the second bearing platform and used for supporting a track, the supporting body is erected on the first bearing platform, integrally manufactured with the rigid frame body and used for supporting the railway beam body, and; the height of the first bearing platform is lower than that of the second bearing platform; the rigid frame body comprises a first supporting wall, a second supporting wall and a top plate, wherein the lower end of the first supporting wall is supported on the first bearing platform, the lower end of the second supporting wall is supported on the second bearing platform, the upper end of the second supporting wall is flush with the upper end of the first supporting wall, and the two ends of the top plate are fixedly connected with the first supporting wall and the second supporting wall respectively; the first supporting wall, the second supporting wall and the top plate are integrated; a chamfer is arranged at the connecting angle of the top plate and the first support wall and the second support wall; chamfers are arranged at the lower ends of one sides, facing the non-motor vehicle lane, of the first supporting wall and the second supporting wall; the support body is arranged on one side of the first support wall, which is close to the motor vehicle lane, and is integrally manufactured with the first support wall into an integral piece; a chamfer is arranged at the lower end of one side of the support body facing the motor vehicle lane; the support connecting device is arranged at the upper end of the support body.
Preferably, the lower end of the platform body is step-shaped.
Preferably, the chamfer angle at the connecting angle of the top plate and the first support wall and the second support wall is a chamfer angle; the chamfers arranged at the lower ends of the first supporting wall and the second supporting wall and the chamfers arranged at the lower ends of the supporting bodies are chamfer angles.
Preferably, the support coupling means includes a support cushion disposed at an upper end of the support body, and a support disposed on the support cushion.
Preferably, the first support and the second support wall have the same thickness.
Compared with the prior art, the utility model has the advantages of as follows:
(1) The utility model discloses can effectively solve the railway and stride across the relatively poor urban road that has the part excavation and set up the problem of abutment. The utility model discloses an adopted first knee wall, the second knee wall of length difference, raised non-motor way (containing pavement) elevation, can reduce the excavation volume and reduce the abutment height, reduced the cone height simultaneously, improved urban road's permeability and view effect. The finished product has light modeling and good appearance effect.
(2) The utility model discloses can make the safety more of being under construction, have the time limit for a project short, practice thrift engineering cost and economic reasonable advantage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention during construction.
Fig. 2 is a plan view of fig. 1, in which a part of the structure is omitted.
Fig. 3 is a left side view of fig. 1, in which a part of the structure is omitted.
Fig. 4 is a schematic view of the platform body construction.
in the figure: the supporting structure comprises a first rigid frame pile foundation 1, a first bearing platform 2, a second rigid frame pile foundation 3, a second bearing platform 4, a first supporting wall 5, a second supporting wall 6, a top plate 7, a supporting body 8, a platform body 9, a cone 10, a supporting cushion stone 11 and a railway beam body 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention. In the following description, for the sake of clarity of illustrating the structure and operation of the present invention, reference will be made to the accompanying drawings by means of directional terms, but the terms "front", "rear", "left", "right", "up", "down", etc. should be construed as convenient terms and not as limitative terms.
The railway rigid frame type bridge abutment shown in fig. 1-4 comprises a platform body, a first bearing platform, a second bearing platform, a rigid frame body, a support body and a railway beam body, wherein the first bearing platform is positioned between a non-motor vehicle lane (including a sidewalk) and a motor vehicle lane, the lower end of the first bearing platform is provided with a first rigid frame pile foundation, the second bearing platform is positioned on the other side of the non-motor vehicle lane, the lower end of the second bearing platform is provided with a second rigid frame pile foundation and is adjacent to the platform body, the rigid frame body is erected on the first bearing platform and the second bearing platform and is used for supporting a track, the support body is erected on the first bearing platform, is integrally manufactured with the rigid frame body and is used for supporting the railway; the height of the first bearing platform is lower than that of the second bearing platform; the rigid frame body comprises a first supporting wall, a second supporting wall and a top plate, wherein the lower end of the first supporting wall is supported on the first bearing platform, the lower end of the second supporting wall is supported on the second bearing platform, the upper end of the second supporting wall is flush with the upper end of the first supporting wall, and the two ends of the top plate are fixedly connected with the first supporting wall and the second supporting wall respectively; the first supporting wall, the second supporting wall and the top plate are integrated; in a preferred embodiment, the first and second support walls have equal thickness. A chamfer is arranged at the connecting angle of the top plate and the first support wall and the second support wall; chamfers are arranged at the lower ends of one sides, facing the non-motor vehicle lane, of the first supporting wall and the second supporting wall; the support body is arranged on one side of the first support wall, which is close to the motor vehicle lane, and is integrally manufactured with the first support wall into an integral piece; the upper end of the support body is lower than the upper end of the top plate, so that the upper end of the assembled railway beam body is flush with the upper end of the top plate; a chamfer is arranged at the lower end of one side of the support body facing the motor vehicle lane; the support connecting device is arranged at the upper end of the support body. The thickness b2 of the support body is determined according to the beam end width of the railway beam body and the construction requirement and stress calculation of the supporting cushion, the width L1 of the support body is as wide as the bottom of the railway beam body, and the height difference h4 of the support body and the rigid structure body is determined according to the height of the railway beam body and the height of the support seat connecting device.
In this embodiment, the support connecting device includes a support cushion disposed at the upper end of the support wall, and a support (not shown) disposed on the support cushion. The type of the support is determined by calculation according to the beam span stress. The supporting cushion stone is arranged according to the size of the support. It is clear that other abutment connections commonly used for railway beams can be used.
When the table is installed, the upper end of the top plate is flush with the upper end of the table body, and the lower end of the table body is step-shaped. The platform body is the joint part of the rigid structure body and the railway roadbed, is arranged under the railway, has the height h5 as high as the top plate of the wall behind the rigid structure, has the width of 500cm when the railway is a single line, and has the width of 500cm added to the distance between the two outermost lines when the railway is a multi-line. The length d is determined as 75cm embedded in the cone (side slope). The cones on the two sides of the table body are arranged on the table top from the ground in the middle of the rear side wall of the rigid frame body according to the gradient of 1: 1. In order to save masonry amount and form a transition zone, the lower part of the platform body is made into a step shape, the thickness of the platform body on the bearing platform is not less than 200cm, the height of the step is 200cm, and the hollowed step part is replaced by graded broken stones.
The rigid structure can meet the elevation of different non-motor vehicle lanes (including sidewalks), the aperture a of the rigid structure is adjusted according to the setting width of the non-motor vehicle lanes (including sidewalks), the clear height h1 of the rigid structure is determined according to the setting requirement of the elevation of the non-motor vehicle lanes (including sidewalks), the axial length L of the rigid structure is determined according to the railway structure requirement, the thickness b1 of a first supporting wall and a second supporting wall of the rigid structure is determined according to the railway beam structure requirement and calculation, the height h2 of the first supporting wall is determined according to the motor vehicle lane elevation and the earthing thickness, the height h3 of the second supporting wall is determined according to the elevation of the non-motor vehicle lanes (including sidewalks) and the earthing thickness c of a top plate of the rigid structure is determined according to calculation, the chamfer angle at the top plate connecting angle of the first supporting wall and the second supporting wall is a right-angle inverted chamfer angle, the chamfer angle is 60cm high and, the height and width of the chamfer are both 50 cm. All parts are made of reinforced concrete.
The pile diameter, the arrangement form and the pile foundation length of the first rigid frame pile foundation and the second rigid frame pile foundation are required to be calculated and determined according to the stress of the rigid frame and the platform body, the length and the width of the first bearing platform and the second bearing platform are required to be determined according to the construction requirements of the railway rigid frame type bridge platform and the pile foundation, and the thickness of the first bearing platform and the second bearing platform is 2 times of the diameter of the rigid frame pile foundation.
In the embodiment, the rigid structure body and the support body can be made of reinforced concrete, and the platform body is in a form of concrete and a protective surface reinforcing steel bar; the first rigid frame pile foundation, the second rigid frame pile foundation, the first bearing platform, the second bearing platform and the supporting cushion are all made of reinforced concrete.
The utility model discloses a main construction steps and method as follows:
1. and constructing a first rigid frame pile foundation, a second rigid frame pile foundation, a first bearing platform and a second bearing platform.
2. And simultaneously constructing a top plate, a first supporting wall, a second supporting wall, a supporting body and a supporting cushion, and pre-burying the embedded parts of the mounting support.
3. Meanwhile, graded broken stones under the construction platform body and the platform body steps are replaced and filled.
4. And (5) constructing a cone and backfilling a foundation pit.
5. And installing a support and constructing a railway beam body.
6. And constructing railway auxiliary facilities and laying rails.
7. And constructing corresponding engineering of the road under the bridge.
The utility model discloses let the non-motor way (including the pavement) of urban road follow rigid frame internal through, under the condition that satisfies the headroom requirement, raise non-motor way (including the pavement) elevation to reduce the roof beam and stride to arrange, reduce the design degree of difficulty, reduce the excavation volume and reduce the abutment height, reduce the cone height simultaneously, improve urban road's permeability and view effect, reduce the risk that big cone ftractures in the railway operation, improve the security of railway.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A railway rigid frame type bridge abutment comprises an abutment body, a first bearing platform, a second bearing platform, a rigid frame body, a supporting body and a railway beam body, wherein the first bearing platform is positioned between a non-motor vehicle lane and a motor vehicle lane, the lower end of the first bearing platform is provided with a first rigid frame pile foundation, the second bearing platform is positioned on the other side of the non-motor vehicle lane, the lower end of the second bearing platform is provided with a second rigid frame pile foundation, the second bearing platform is adjacent to the abutment body, the rigid frame body is erected on the first bearing platform and the second bearing platform and used for supporting a track, the supporting body is erected on the first bearing platform, integrally manufactured with the rigid frame body and used for supporting the railway beam body, and; the method is characterized in that: the height of the first bearing platform is lower than that of the second bearing platform; the rigid frame body comprises a first supporting wall, a second supporting wall and a top plate, wherein the lower end of the first supporting wall is supported on the first bearing platform, the lower end of the second supporting wall is supported on the second bearing platform, the upper end of the second supporting wall is flush with the upper end of the first supporting wall, and the two ends of the top plate are fixedly connected with the first supporting wall and the second supporting wall respectively; the first supporting wall, the second supporting wall and the top plate are integrated; a chamfer is arranged at the connecting angle of the top plate and the first support wall and the second support wall; chamfers are arranged at the lower ends of one sides, facing the non-motor vehicle lane, of the first supporting wall and the second supporting wall; the support body is arranged on one side of the first support wall, which is close to the motor vehicle lane, and is integrally manufactured with the first support wall into an integral piece; a chamfer is arranged at the lower end of one side of the support body facing the motor vehicle lane; the support connecting device is arranged at the upper end of the support body.
2. A rigid railway bridge abutment according to claim 1, wherein: the lower end of the platform body is step-shaped.
3. A railway rigid frame abutment according to claim 1 or 2, wherein: the chamfer angle at the connecting angle of the top plate and the first support wall and the second support wall is a chamfer angle; the chamfers arranged at the lower ends of the first supporting wall and the second supporting wall and the chamfers arranged at the lower ends of the supporting bodies are chamfer angles.
4. A railway rigid frame abutment according to claim 1 or 2, wherein: the support connecting device comprises a supporting cushion stone arranged at the upper end of the support body and a support arranged on the supporting cushion stone.
5. A railway rigid frame abutment according to claim 1 or 2, wherein: the first supporting wall and the second supporting wall are equal in thickness.
CN201920419844.8U 2019-03-29 2019-03-29 Railway rigid frame type abutment Active CN209798517U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920419844.8U CN209798517U (en) 2019-03-29 2019-03-29 Railway rigid frame type abutment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920419844.8U CN209798517U (en) 2019-03-29 2019-03-29 Railway rigid frame type abutment

Publications (1)

Publication Number Publication Date
CN209798517U true CN209798517U (en) 2019-12-17

Family

ID=68827060

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920419844.8U Active CN209798517U (en) 2019-03-29 2019-03-29 Railway rigid frame type abutment

Country Status (1)

Country Link
CN (1) CN209798517U (en)

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