CN112627070A - Quick-assembly double-layer corrugated steel square culvert structure and construction method - Google Patents
Quick-assembly double-layer corrugated steel square culvert structure and construction method Download PDFInfo
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- CN112627070A CN112627070A CN202011473943.8A CN202011473943A CN112627070A CN 112627070 A CN112627070 A CN 112627070A CN 202011473943 A CN202011473943 A CN 202011473943A CN 112627070 A CN112627070 A CN 112627070A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
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Abstract
The invention discloses a quick-assembled double-layer corrugated steel square culvert structure and a construction method, which belong to the technical field of box culvert construction, can improve the assembly precision, reduce the field workload, shorten the field assembly time and realize quick assembly, wherein a splicing body comprises a plurality of plates which are sequentially connected end to form a closed annular structure; each plate comprises an inner-layer corrugated plate and an outer-layer corrugated plate, and the inner side tangent of the inner-layer corrugated plate is separated from the outer side tangent of the outer-layer corrugated plate; the plate is bent along the direction from the outer-layer corrugated pipe to the inner-layer corrugated pipe to form a bent part and a straight part; and a flange is connected between the edge of the inner-layer corrugated plate and the edge of the outer-layer corrugated plate.
Description
Technical Field
The invention belongs to the technical field of box culvert construction, and particularly relates to a quick-spliced double-layer corrugated steel square culvert structure and a construction method.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The box culvert is a culvert built by reinforced concrete box pipe joints on a tunnel body, the box culvert consists of one or more square or rectangular sections and is generally made of reinforced concrete, but the construction period of the concrete box culvert is long, the requirement on the foundation is high, cracks are easy to generate in the normal use stage, and the like; the corrugated steel box culvert is a flexible structure, and the soil body and the corrugated steel can bear upper load together through the interaction of the corrugated steel and the soil body, so that the bearing capacity of the corrugated steel box culvert is improved. Compared with the traditional concrete structure, the steel plate box culvert has two obvious advantages. Firstly, the corrugated steel plate box culvert has strong bearing capacity, strong deformation adaptability and low requirement on the foundation. Secondly, the steel plate box culvert construction has the characteristics of short construction period, convenient construction, low manufacturing cost, environmental friendliness and the like.
The inventor finds that when the load bearing capacity of the common corrugated steel closed square culvert structure is insufficient, the corrugated steel closed square culvert structure needs to be reinforced. When the reinforcing measures of the ribbed plates are taken for the closed square culvert structure of the corrugated steel, the ribbed plates and the main body structure are connected through the bolts, holes need to be prefabricated on the main body of the corrugated steel, and certain influence can be inevitably generated on the structural integrity of the main body. In addition, the ribbed plates and the main body need to be assembled on site, so that the workload on site is increased, and the aim of quick assembly cannot be fulfilled.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a quick-spliced double-layer corrugated steel square culvert structure and a construction method. Therefore, the assembly precision can be improved, the field workload can be reduced, the field assembly time can be shortened, and the rapid assembly can be realized.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, the technical scheme of the invention provides a rapidly-assembled double-layer corrugated steel square culvert structure, which comprises a plurality of splicing bodies, wherein adjacent splicing bodies are sequentially connected to form a closed square culvert structure; each splicing body comprises a plurality of plates which are sequentially connected end to form a closed annular structure; each plate comprises an inner-layer corrugated plate and an outer-layer corrugated plate, and the inner side tangent of the inner-layer corrugated plate is separated from the outer side tangent of the outer-layer corrugated plate; the plate is bent along the direction from the outer-layer corrugated pipe to the inner-layer corrugated pipe to form a bent part and a straight part; and a flange is connected between the edge of the inner-layer corrugated plate and the edge of the outer-layer corrugated plate.
In a second aspect, the present invention further provides a construction method of a rapidly assembled double-layer corrugated steel square culvert structure, using the rapidly assembled double-layer corrugated steel square culvert structure according to the first aspect, including the following steps:
in the radial direction, connecting the adjacent plates through end flanges;
and the square culvert channel with the required closed section is connected in the axial direction through the circumferential flange of the splicing body.
The technical scheme of the invention has the following beneficial effects:
1) the invention adopts a rapidly-assembled double-layer corrugated steel closed square culvert structure as an underground flexible structure, and has the advantages of strong bearing capacity, rapid construction and environmental protection compared with the traditional concrete box culvert; according to the invention, the corrugated steel closed square culvert structure is prefabricated in a factory to assemble the spliced bodies, and only the assembled spliced bodies are required to be connected through flanges on site. Therefore, the assembly precision can be improved, the field workload can be reduced, the field assembly time can be shortened, and the rapid assembly can be realized.
2) The splicing body disclosed by the invention can be spliced to form an annular closed structure, only one L-shaped plate needs to be prefabricated, and the splicing body is convenient and quick and is convenient to assemble.
3) The corrugated steel reinforcing piece is distributed on the outer side of the supporting piece of the closed square culvert structure, and can realize omnibearing reinforcing on the supporting piece, so that the inner space of the structure is not occupied, and the deformation and stress level of the structure under the action of load can be reduced.
4) Compare in the direct back-off of traditional corrugated steel stiffening rib at support piece's the mode of enhancement, double-deck corrugated steel structure need not to arrange the bolt hole on corrugated steel plate, the wholeness that keeps corrugated steel plate that can be better.
5) When assembling, be equipped with sealed the pad between the flange, can ensure that the structure has good leakproofness and waterproof nature.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic view of a first splice body construction according to one or more embodiments of the present invention,
FIG. 2 is a schematic representation of a second splice according to one or more embodiments of the present invention,
figure 3 is a schematic block diagram of a square culvert construction according to one or more embodiments of the present invention,
figure 4 is a schematic illustration of the construction of a panel according to one or more embodiments of the invention,
FIG. 5 is a schematic illustration of a tip flange configuration according to one or more embodiments of the present disclosure.
In the figure: 1. inner layer buckled plate, 2, outer layer buckled plate, 3, end flange, 4, circumferential flange, 5, shear resistant, 10, plate, 11, first side plate, 12, top plate, 13, second side plate, 14, bottom plate, 31, trompil.
The spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, and for example, the terms "mounted," "connected," and "fixed" may be fixed, detachable, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
As described in the background art, aiming at the defects in the prior art, the invention aims to provide a quick-assembly double-layer corrugated steel square culvert structure and a construction method. Therefore, the assembly precision can be improved, the field workload can be reduced, the field assembly time can be shortened, and the rapid assembly can be realized.
Example 1
In a typical embodiment of the present invention, as shown in fig. 4 and 5, a splice for forming a square culvert is provided, the splice is continuously arranged along a set direction when forming the square culvert, and comprises a plurality of plates 10, wherein the plurality of plates 10 are sequentially connected end to form a closed ring structure; each plate 10 has the same structure and shape, but has different positions in the splice, and in this embodiment, there are four plates 10 in total, and the plates are named according to their positions in the splice, namely, a first side plate, a top plate, a second side plate and a bottom plate in sequence; each plate 10 comprises an inner-layer corrugated plate 1 and an outer-layer corrugated plate 2, in the embodiment, the inner-layer corrugated plate 1 and the outer-layer corrugated plate 2 are named according to the positions of the inner-layer corrugated plate 1 and the outer-layer corrugated plate 2 in the spliced body, one surface of the inner-layer corrugated plate 1, which is directly contacted with the earth, is an outer surface, the other surface of the inner-layer corrugated plate is an inner surface, the inner-layer corrugated plate 1 is used as; a gap is formed between the inner-layer corrugated plate 1 and the outer-layer corrugated plate 2, namely, the inner side tangent of the inner-layer corrugated plate 1 is separated from the outer side tangent of the outer-layer corrugated plate 2, and the inner-layer corrugated plate 1 and the outer-layer corrugated plate 2 are not contacted with each other; the side first plate 11 and the top first plate 12 are bent in the direction from the outer-layer corrugated pipe to the inner-layer corrugated pipe to form a bent part and a straight part. The double-layer corrugated plate structure is used in the embodiment to realize the reinforcement of the internal corrugated steel plate, the structure does not occupy the internal space of the structure, the stress performance of the structure is improved, and the stress and the deformation of the structure are reduced.
A circumferential flange 4 is connected between the side edge of the inner-layer corrugated plate 1 and the side edge of the outer-layer corrugated plate 2 which are positioned on the same side, an end flange 3 is connected between the front end edge of the inner-layer corrugated plate 1 and the front end edge of the outer-layer corrugated plate 2 which are positioned on the same side, an end flange 3 is connected between the rear end edge of the inner-layer corrugated plate 1 and the rear end edge of the outer-layer corrugated plate 2 which are positioned on the same side, and shearing resistant pieces 5 are also arranged on the adjacent end flanges 3; the adjacent plates are connected by end flanges 3 to form a splice in the embodiment. Specifically, in this embodiment, the first side plate and the top plate are connected by an end flange 3, the top plate and the second side plate are connected by an end flange 3, the second side plate and the bottom plate are connected by a third end flange 3, and the bottom plate and the first side plate are connected by an end flange 3.
It should be noted that, since each plate member has the end flanges 3, when connected by the end flanges 3, adjacent end flanges 3 are connected using bolts, and a gasket is provided between the adjacent end flanges 3.
More specifically, referring to fig. 5, the end flange 3 is rectangular, and the manner of connecting the end flange 3 to the supporting member and the reinforcing member is welding.
More specifically, foretell circumferential flange 4 is the fillet L shape that suits with inlayer buckled plate and outer bellows, and the mode that circumferential flange 4 connects support piece and reinforcement is the welding.
The end flange 3 is provided with a plurality of openings, and the shear resistant part 5 is inserted into the openings of the end flange 3.
Foretell kink is convex, and the tangent line perpendicular to second end of the first end of the portion of bending is the tangent line of the portion of also bending 90, and straight one end butt joint kink, the extending direction of straight portion are on a parallel with the tangent line of straight butt joint end portion of bending, form level and smooth connection.
The central axis of the crest part of the outer layer corrugated plate 2 coincides with the central axis of the trough part of the inner layer corrugated plate 1 to enhance the stress performance of the structure. More specifically, as shown in fig. 3 and 4, with the directions in fig. 3 and 4 as references, an upward protruding peak and a downward protruding valley are defined, the supporting member has a plurality of crest portions and a plurality of trough portions, and the adjacent crest portions and trough portions are connected smoothly; the reinforcing member also has a plurality of crest portions and a plurality of trough portions, and the adjacent crest portions and trough portions are connected smoothly. Because the supporting part is arranged on the inner side of the reinforcing part, and the width of the supporting part is the same as that of the reinforcing part, for the synergistic action between the reinforcing part and the supporting part, the wave crest part of the supporting part corresponds to the wave trough part of the reinforcing part, and the central axis of the wave crest part of the supporting part is superposed with the central axis of the wave trough part of the reinforcing part.
In yet another embodiment, the inner corrugated sheet 1 and the outer corrugated sheet 2 may differ in thickness and wave size.
The extending direction of the shear resistant member 5 is parallel to the extending direction of the wave trough of the corrugated pipe, and in this embodiment, the shear resistant member 5 specifically adopts a solid steel pipe to play a role of a shear resistant reinforcing device.
In addition, the shear resistant member 5 is provided between the peak portion of the outer corrugated plate 2 and the valley portion of the inner corrugated plate 1.
Example 2
In a typical embodiment of the present invention, as shown in fig. 2 to 5, a fast-splicing double-layer corrugated steel square culvert structure is provided, which can realize fast splicing, and includes a plurality of splicing bodies, the splicing bodies in this embodiment are the splicing bodies described in embodiment 1, the splicing bodies are sequentially connected along a direction perpendicular to the extending direction of wave crests of corrugated plates to form a square culvert, adjacent splicing bodies are connected by circumferential flanges 4, and a sealing gasket is disposed between adjacent circumferential flanges 4 to ensure that a connection has good sealing performance.
In another embodiment, as shown in fig. 1 and fig. 2, the splices include two configurations, named as a first splice and a second splice, respectively, and as shown in fig. 3, the first splice and the second splice are alternately arranged to form a closed square culvert structure; the end-to-end connection of the four plates in the first splicing body clockwise along the direction from the second end to the first end forms a closed annular structure, and the end-to-end connection of the four plates in the second splicing body anticlockwise along the direction from the second end to the first end forms a closed annular structure.
It can be understood that, for the square culvert, the bent part of the square culvert is ensured to be completely positioned on the same corrugated plate, so as to ensure the strength of the bent part, and the radian and the radius track of the bent part of different corrugated steel plates are kept consistent.
The closed square culvert structure consists of two splicing bodies, and when the closed square culvert structure is assembled on site through the assembling and splicing bodies, a sealing gasket is arranged between the flanges, so that the structure is ensured to have good sealing property and water resistance;
when the corrugated steel plate square culvert is used, normal backfill is arranged outside the splicing body coverage area, so that a soil body-corrugated steel combined stress system is formed with the corrugated steel plate square culvert, and the stress performance is improved.
The closed square culvert structure is composed of two splicing bodies, the two splicing bodies can be prefabricated in a factory and can be simply assembled on a construction site, so that an assembled structure is formed, and the construction time is further shortened; when the closed square culvert structure is assembled on the assembling and splicing body on site, a sealing gasket is arranged between the flanges, so that the structure is ensured to have good sealing property and waterproofness.
The specific combination mode of the two splicing bodies is that a second splicing body is arranged between the first splicing bodies which are separated, or a first splicing body is arranged between the second splicing bodies which are separated.
The double-layer corrugated steel plate structure can realize the reinforcement of the inner corrugated steel plate, the structure does not only invade the inner space of the structure, but also improves the stress performance of the structure and reduces the stress and deformation of the structure.
It is understood that the inner corrugated plate 1 may be formed by sequentially splicing one or more corrugated plates. To first concatenation body, when forming by the concatenation of polylith buckled plate, will guarantee that the turn is located same buckled plate completely to guarantee the intensity of arc department of bending, and the curve that different corrugated steel plate was buckled in the turn will keep unanimous.
Corrugated steel board square culvert compares with traditional concrete square culvert as a underground flexible construction, and adaptation foundation that can be fine subsides, has that bearing capacity is strong, advantage such as construction is swift.
Example 3
In another exemplary embodiment of the present invention, a method for constructing a rapidly assembled double-layer corrugated steel closed square culvert structure is provided, where the method using the square culvert structure described in embodiment 2 includes the following steps:
in the radial direction, connecting the adjacent plates through end flanges 3;
connecting the channels in the axial direction of the required closed square culvert structure through the circumferential flanges 4 of the splicing bodies;
if two splicing bodies are adopted, the first splicing bodies and the second splicing bodies are sequentially and alternately arranged along the circumferential direction of the channel of the square culvert structure to be closed, so that the second splicing bodies are arranged between the first splicing bodies which are separated, or the first splicing bodies are arranged between the second splicing bodies which are separated;
when the circumferential flange 4 or the end flange 3 is used for connection, a sealing gasket is arranged between the two flanges to ensure that the connection part has good sealing property.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A rapidly-assembled double-layer corrugated steel square culvert structure is characterized by comprising a plurality of splicing bodies, wherein adjacent splicing bodies are sequentially connected to form a closed square culvert structure; each splicing body comprises a plurality of plates which are sequentially connected end to form a closed annular structure; each plate comprises an inner-layer corrugated plate and an outer-layer corrugated plate, and the inner side tangent of the inner-layer corrugated plate is separated from the outer side tangent of the outer-layer corrugated plate; the plate is bent along the direction from the outer-layer corrugated pipe to the inner-layer corrugated pipe to form a bent part and a straight part; and a flange is connected between the edge of the inner-layer corrugated plate and the edge of the outer-layer corrugated plate.
2. The rapid-makeup double-deck corrugated steel culvert structure of claim 1, wherein the central axes of the crest portions of the outer-deck corrugated plates coincide with the central axes of the trough portions of the inner-deck corrugated plates.
3. The rapidly assembled double-layer corrugated steel square culvert structure of claim 1, wherein the bending part is in the shape of a circular arc, the tangent line of the first end of the bending part is perpendicular to the tangent line of the second end, one end of the straight part is butted with the bending part, and the extending direction of the straight part is overlapped with the tangent line of the bending part of the butted end of the straight part.
4. The fast-assembling double-layer corrugated steel square culvert structure according to claim 1, wherein a circumferential flange is connected between the side edge of the inner-layer corrugated plate and the side edge of the outer-layer corrugated plate on the same side, an end flange is connected between the front end edge of the inner-layer corrugated plate and the front end edge of the outer-layer corrugated plate on the same side, an end flange is connected between the rear end edge of the inner-layer corrugated plate and the rear end edge of the outer-layer corrugated plate on the same side, and a shear member is further arranged on the adjacent end flange.
5. The rapid-assembling double-deck corrugated steel square culvert structure of claim 4, wherein the extension direction of the shear resistant member is parallel to the extension direction of the wave trough of the corrugated pipe.
6. The rapid-erection double-deck corrugated steel square culvert structure of claim 5, wherein the shear resistant member is provided between the crest portion of the outer corrugated plate and the trough portion of the inner corrugated plate.
7. The rapidly assembled double-layer corrugated steel square culvert structure of claim 1, wherein adjacent splice bodies are connected in sequence along a direction perpendicular to the extension direction of the wave troughs of the corrugated plates to form a closed square culvert structure.
8. The rapidly assembled double-layer corrugated steel square culvert structure of claim 1 or 7, wherein a sealing member is arranged between adjacent splicing bodies.
9. The fast-splicing double-layer corrugated steel square culvert structure according to claim 1 or 7, wherein the splicing bodies comprise a first splicing body and a second splicing body, one end of a bent part of each splicing body is a first end, one end of a straight part of each splicing body is a second end, four plates in the first splicing body are connected end to end clockwise along the direction from the second end to the first end to form a closed annular structure, and four plates in the second splicing body are connected end to end anticlockwise along the direction from the second end to the first end to form a closed annular structure.
10. A construction method of a closed square culvert structure, which is characterized in that the rapidly assembled double-layer corrugated steel square culvert structure as claimed in any one of claims 1 to 9 is used, and comprises the following steps:
in the radial direction, connecting the adjacent plates through end flanges;
and the square culvert channel with the required closed section is connected in the axial direction through the circumferential flange of the splicing body.
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| CN202011473943.8A CN112627070A (en) | 2020-12-15 | 2020-12-15 | Quick-assembly double-layer corrugated steel square culvert structure and construction method |
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| CN202011473943.8A CN112627070A (en) | 2020-12-15 | 2020-12-15 | Quick-assembly double-layer corrugated steel square culvert structure and construction method |
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| US20090214297A1 (en) * | 2008-02-22 | 2009-08-27 | Wilson Michael W | Reinforcement rib and overhead structure incorporating the same |
| US20110311318A1 (en) * | 2010-06-17 | 2011-12-22 | T & B Structural Systems Llc | Mechanically stabilized earth system and method |
| KR200466770Y1 (en) * | 2013-02-28 | 2013-05-13 | (주) 렉스틸 | Arched Type Underground Structure |
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Address after: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Applicant after: Shandong transportation planning and Design Institute Group Co.,Ltd. Applicant after: Beijing Jiaotong University Applicant after: HENGSHUI YITONG PIPE INDUSTRY Co.,Ltd. Address before: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Applicant before: Shandong transportation planning and Design Institute Co.,Ltd. Applicant before: Beijing Jiaotong University Applicant before: HENGSHUI YITONG PIPE INDUSTRY Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210409 |