CN212128826U - Bridge abutment back replacing and filling structure for foam light soil - Google Patents
Bridge abutment back replacing and filling structure for foam light soil Download PDFInfo
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- CN212128826U CN212128826U CN202020543688.9U CN202020543688U CN212128826U CN 212128826 U CN212128826 U CN 212128826U CN 202020543688 U CN202020543688 U CN 202020543688U CN 212128826 U CN212128826 U CN 212128826U
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- foam concrete
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Abstract
The utility model discloses a foam light soil is with abutment structure of changing and filling back of body, including soil layer and abutment, the vertical position department of soil layer is provided with the abutment, the abutment vertically inserts to the inboard of soil layer from the top of soil layer, the left side of abutment is located the recess and is provided with the bridge loading board, the recess of abutment is transversely erect to one end of bridge loading board, the right-hand member of abutment is located vertical position department and is provided with the gag lever post, the right side of gag lever post is provided with class triangle component block, class triangle component block transversely pegs graft in gag lever post department, the right side of class triangle component block is piled up and is filled with light foam concrete above being located the soil layer, the right side of light foam concrete is piled up and is filled with the road bed above being located the soil layer, and then when class triangle component block contacts concrete carrier bar and abutment, carries out the even distribution with horizontal thrust, thereby avoiding the collapse phenomenon caused by the direct contact of the traditional abutment with the transverse thrust.
Description
Technical Field
The utility model belongs to the technical field of the bridge structures is relevant, concretely relates to foam light is abutment back of body structure of changing and is filled out for soil.
Background
The bridge generally refers to a structure erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to pass smoothly, in order to adapt to the modern high-speed developed traffic industry, the bridge is also extended to be a building erected to span mountain stream, unfavorable geology or meet other traffic needs to enable the passing to be more convenient, the bridge generally consists of an upper structure, a lower structure, a support and an auxiliary structure, the upper structure is also called a bridge span structure and is a main structure for crossing obstacles, and the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of a bridge span structure and a pier or an abutment, and the accessory structures refer to bridge head butt plates, conical slope protection, bank protection, diversion engineering and the like.
The existing bridge abutment back replacement structure technology has the following problems: the contact area between the light foam concrete and the abutment at the back replacement filling structure is small, namely the bearing strength per unit area is high when the abutment is in contact with the foam concrete, and the occurrence of the phenomenon is easy to cause structural problems such as abutment collapse and the like during geological disasters such as landslide and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a foam light is abutment back of body for soil trades and fills structure to it is less to provide the area of contact of back of body trade filling structure department light foam concrete and abutment in solving above-mentioned background art, and the unit area when abutment contacts with foam concrete bears the dynamics higher promptly, and the appearance of this phenomenon appears the abutment and collapses isotructural problem easily when geological disasters such as landslide.
In order to achieve the above object, the utility model provides a following technical scheme:
a bridge abutment back replacing and filling structure for foamed light soil comprises a soil layer and a bridge abutment, wherein the bridge abutment is arranged at the vertical position of the soil layer and vertically inserted into the inner side of the soil layer from the top end of the soil layer, a bridge bearing plate is arranged at the position, located in a groove, of the left side of the bridge abutment, one end of the bridge bearing plate is transversely erected at the groove of the bridge abutment, a limiting rod is arranged at the position, located at the vertical position, of the right end of the bridge abutment, a similar triangular component force block is arranged on the right side of the limiting rod and transversely inserted into the limiting rod, light foam concrete is filled above the soil layer on the right side of the similar triangular component force block, a roadbed is filled above the soil layer, and concrete bearing beams are jointly arranged at the top ends of the bridge bearing plate, the bridge abutment, the similar triangular component force block, the light foam concrete and the roadbed, and an asphalt road layer is poured at the top end of the concrete bearing beam.
Preferably, the spacing between the limiting rods is consistent at the vertical position, and the limiting rods are arranged in a length decreasing manner.
Preferably, the triangular component force block is clamped at the bridge abutment and the light foam concrete, and the triangular component force block is limited at the limiting rod through the clamping of the bridge abutment and the light foam concrete.
Preferably, the abutment is vertically inserted relative to the soil layer, and the abutment and the bridge bearing plate are vertically arranged at ninety degrees.
Preferably, the top ends of the bridge bearing plate and the bridge abutment are transversely and equally arranged, and the top ends of the similar triangular component force blocks and the bridge abutment are transversely and equally arranged.
Preferably, when the similar triangular component force block is limited at the limiting rod, the light foam concrete block can be poured into a space formed between the similar triangular component force block and the roadbed.
Preferably, the longest edge of the similar triangular force component block is set as a curved surface, and the curved surface of the similar triangular force component block is set to be four times of one point of the plane setting area.
Compared with the prior art, the utility model provides a foam light is abutment back of body structure of filling out for soil trades possesses following beneficial effect:
1. in the using process, in order to avoid the phenomenon of aggravation of the squeezing force caused by road gene landslide, the novel limiting rod and the similar triangular component force block are adopted, when the two structures are combined for use, transverse thrust can be uniformly applied to the similar triangular component force block, then when the similar triangular component force block is in contact with a concrete bearing beam and an abutment, the transverse thrust is uniformly distributed, and then the collapse phenomenon caused by the fact that a traditional abutment is in direct contact with the transverse thrust is avoided.
2. The triangular component force block slowly releases the transverse thrust into upward pressure and outward thrust through the curved surface slope, and further avoids the matrix damage phenomenon caused by too concentrated force path.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic cross-sectional structure diagram of a bridge deck back replacement structure according to the present invention;
fig. 2 is a schematic structural view of a force distribution assembly in the bridge deck back replacement structure of the present invention;
FIG. 3 is a schematic view of the original structure of the bridge back replacement structure according to the present invention;
in the figure: 1. a bridge bearing plate; 2. an abutment; 3. a triangular component force block; 4. lightweight foam concrete; 5. an asphalt road layer; 6. a concrete load beam; 7. a roadbed; 8. a soil layer; 9. a limiting rod.
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 creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution for a bridge abutment back replacement structure for foamed light soil:
the utility model provides a foam light is abutment back of body structure of filling out for soil, including soil layer 8 and abutment 2, soil layer 8's vertical position department is provided with abutment 2, abutment 2 is from the vertical inboard of inserting to soil layer 8 in soil layer 8's top, abutment 2 is for inserting the setting perpendicularly for soil layer 8, abutment 2 and bridge loading board 1 are ninety degrees perpendicular settings, abutment 2's left side is being located groove and is being provided with bridge loading board 1, the horizontal groove department of setting up abutment 2 of one end of bridge loading board 1, bridge loading board 1 and abutment 2's top is horizontal looks and is flat the setting, the top of class triangle component block 3 and abutment 2 is horizontal looks and is flat the setting.
The utility model provides a foam light is abutment back of body structure of filling that trades for soil, the right-hand member including abutment 2 is being located vertical position department and is being provided with gag lever post 9, the right side of gag lever post 9 is provided with class triangle component block 3, the longest limit in class triangle component block 3 department is the curved surface setting, class triangle component block 3 department curved surface sets up to one bit quadruple of plane setting area, class triangle component block 3 transversely pegs graft in gag lever post 9 department, be the interval in vertical position department between the gag lever post 9 and unanimously set up, be the length between the gag lever post 9 and decrement the setting.
A bridge abutment back replacement filling structure for foamed light soil comprises a light foam concrete 4, wherein the light foam concrete 4 is filled above a soil layer 8 on the right side of a similar triangular component force block 3 in a stacking mode, the light foam concrete 4 can be poured into a space formed between the similar triangular component force block 3 and a roadbed 7 when the similar triangular component force block 3 is limited at a limiting rod 9, the similar triangular component force block 3 is clamped at a bridge abutment 2 and the light foam concrete 4, and the similar triangular component force block 3 is limited at the limiting rod 9 through clamping of the bridge abutment 2 and the light foam concrete 4.
A roadbed 7 is filled on the right side of light foam concrete 4 above a soil layer 8 in a pile mode, a concrete bearing beam 6 is arranged at the top ends of a bridge bearing plate 1, a bridge abutment 2, a similar triangular component force block 3, the light foam concrete 4 and the roadbed 7 together, and an asphalt road layer 5 is poured at the top end of the concrete bearing beam 6.
The utility model discloses a theory of operation and use flow: after the utility model is installed, the abutment 2 vertically penetrates and is poured on the inner side of the soil layer 8, then the similar triangular component force block 3 is inserted and connected on the position of the limit rod 9, when the insertion is finished and the seam is kept to be uniform, the light foam concrete 4 is poured in the space from the similar triangular component force block 3 to the roadbed 7 for space filling, after the space filling, the concrete bearing beam 6 can be erected on the top ends of the bridge bearing plate 1, the abutment 2, the similar triangular component force block 3, the light foam concrete 4 and the roadbed 7 erected at the abutment 2, after the concrete bearing beam 6 is erected, the asphalt road layer 5 can be paved to finish the road paving operation, in the using process, in order to avoid the phenomenon that the extrusion force degree of the roadbed 7 is intensified due to slope sliding, the novel limit rod 9 and the similar triangular component force block 3 are adopted, when the two structures are combined for use, the transverse thrust can be uniformly applied on the similar triangular component force block 3, and further, when the similar triangular component force block 3 contacts the concrete bearing beam 6 and the bridge abutment 2, the transverse thrust is uniformly distributed, and the collapse phenomenon caused by the direct contact of the traditional bridge abutment 2 with the transverse thrust is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a foam light is abutment back of body structure of filling out for soil, includes soil layer (8) and abutment (2), its characterized in that: the vertical position department of soil layer (8) is provided with abutment (2), abutment (2) is from the top vertical insertion to the inboard of soil layer (8), the left side of abutment (2) is being located the groove and is being provided with bridge loading board (1), the groove of abutment (2) is transversely erect in the one end of bridge loading board (1), the right-hand member of abutment (2) is being located vertical position department and is being provided with gag lever post (9), the right side of gag lever post (9) is provided with class triangle component block (3), class triangle component block (3) transversely pegs graft in gag lever post (9) department, the right side of class triangle component block (3) is being located the top pile of soil layer (8) and is filled with light foam concrete (4), the right side of light foam concrete (4) is being located the top pile of soil layer (8) and is filled with road bed (7), the concrete bearing beam is arranged at the top ends of the bridge bearing plate (1), the abutment (2), the similar triangular component force block (3), the light foam concrete (4) and the roadbed (7) together, and the asphalt road layer (5) is poured at the top end of the concrete bearing beam (6).
2. The bridge abutment back-filling structure for foamed lightweight soil according to claim 1, wherein: spacing consistent settings are located between the limiting rods (9) at vertical positions, and length decreasing settings are formed between the limiting rods (9).
3. The bridge abutment back-filling structure for foamed lightweight soil according to claim 1, wherein: the triangular component force block (3) is clamped at the bridge abutment (2) and the light foam concrete (4), and the triangular component force block (3) is limited at the limiting rod (9) through clamping of the bridge abutment (2) and the light foam concrete (4).
4. The bridge abutment back-filling structure for foamed lightweight soil according to claim 1, wherein: abutment (2) are for soil layer (8) to insert the setting perpendicularly, abutment (2) and bridge bearing board (1) are ninety degrees vertical settings.
5. The bridge abutment back-filling structure for foamed lightweight soil according to claim 1, wherein: the top of bridge loading board (1) and abutment (2) is horizontal looks and sets up, the top of class triangle component piece (3) and abutment (2) is horizontal looks and sets up.
6. The bridge abutment back-filling structure for foamed lightweight soil according to claim 1, wherein: when the triangular component force block (3) is limited at the position of the limiting rod (9), the light foam concrete (4) can be poured into a space formed between the triangular component force block (3) and the roadbed (7).
7. The bridge abutment back-filling structure for foamed lightweight soil according to claim 1, wherein: the longest edge of the similar triangular component force block (3) is set as a curved surface, and the curved surface of the similar triangular component force block (3) is set to be four times of one point of the plane setting area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020543688.9U CN212128826U (en) | 2020-04-14 | 2020-04-14 | Bridge abutment back replacing and filling structure for foam light soil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020543688.9U CN212128826U (en) | 2020-04-14 | 2020-04-14 | Bridge abutment back replacing and filling structure for foam light soil |
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| CN212128826U true CN212128826U (en) | 2020-12-11 |
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| CN202020543688.9U Active CN212128826U (en) | 2020-04-14 | 2020-04-14 | Bridge abutment back replacing and filling structure for foam light soil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134771A (en) * | 2021-12-15 | 2022-03-04 | 中国建筑第二工程局有限公司 | Large-area foam soil application structure in extreme racetrack roadbed and construction method thereof |
-
2020
- 2020-04-14 CN CN202020543688.9U patent/CN212128826U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134771A (en) * | 2021-12-15 | 2022-03-04 | 中国建筑第二工程局有限公司 | Large-area foam soil application structure in extreme racetrack roadbed and construction method thereof |
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Address after: 523000 Room 101, No. 39, Zhongtang section, Beiwang Road, Zhongtang Town, Dongguan City, Guangdong Province Patentee after: Guangdong enshuo Construction Engineering Co.,Ltd. Address before: Room 818, no.242, Fenghuang beiheng Road, Yongning Street, Zengcheng District, Guangzhou City, Guangdong Province 510000 Patentee before: Guangdong enshuo Construction Engineering Co.,Ltd. |
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