CN212505913U - Corrugated pipe culvert structure - Google Patents
Corrugated pipe culvert structure Download PDFInfo
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- CN212505913U CN212505913U CN202021329731.8U CN202021329731U CN212505913U CN 212505913 U CN212505913 U CN 212505913U CN 202021329731 U CN202021329731 U CN 202021329731U CN 212505913 U CN212505913 U CN 212505913U
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Abstract
The utility model discloses a structure is contained to bellows, the bellows is contained and is cup jointed in proper order by at least two-layer bellows and form, in at least two-layer bellows, it is different to have the direction of adjacent two-layer bellows stripe trend at least, the stripe trend of bellows is for using bellows body outside bump as the crest to the inboard bump of body is the trough, the fold stripe extensible direction of formation between crest and the trough, the extension direction is called the stripe trend. The utility model discloses an adopt multilayer bellows structural design, and the stripe trend of adjacent bellows is different, constitute body hoop and axial and all be the rigidity, overcome the one-way corrugated steel pipe and contain the more weak characteristic of lateral stability, improve the holistic compressive capacity of corrugated steel pipe and contain, can exert the characteristics that each layer corrugated steel pipe one-way flexibility was under construction easily assembled when the construction, can reduce and exempt from a large amount of construction and assist rib positioning measures, also can reduce and exempt from the excessive development of work progress plasticity hinge, the implementation progress is fast, the corrugated steel pipe that forms two-way rigidity after the construction is accomplished is whole.
Description
Technical Field
The utility model belongs to the technical field of the bridge and culvert engineering, in particular to bellows culvert structure suitable for municipal administration, highway, railway and water conservancy drainage culvert or pedestrian passageway culvert.
Background
With the continuous improvement of the engineering construction level, the culvert and the channel which are of the traditional reinforced concrete structure are adopted in each construction project, so that the construction quality is inconvenient to control, the field construction operation time is long, the operation workload is large, and the manual demand is large. As a novel culvert form, the steel corrugated pipe culvert is mainly a culvert form formed by splicing corrugated pipes made of materials such as steel and aluminum, has the characteristics of good stress characteristics and larger load stress concentration dispersion, is short in construction period, light in weight, convenient to install, good in durability, low in construction cost, strong in deformation resistance and low in maintenance cost after traffic is passed through, is particularly applied to soft soil roadbed zones and deep-fill land zones, has obvious economic benefits, and is widely applied to engineering construction.
As a one-way flexible structure, the steel corrugated pipe has large longitudinal deformation, needs additional restraint in construction, is difficult to control the deformation in the process, and has great influence on the drainage flow rate because the corrugated trend is in the circumferential direction. In order to make full use of the rigidity and the flexible one-way characteristic of the corrugated pipe and strengthen the strength and the integral action of the corrugated steel pipe culvert, a corrugated steel pipe culvert structure which is designed comprehensively and has stronger integrity is necessary.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: to traditional corrugated steel pipe culvert hoop be the rigidity, the axial is the flexibility, crosses the problem that the characteristic that the water roughness is big exists, provides one kind and can effectively promote the whole compressive capacity that corrugated steel pipe culvert, improves corrugated steel pipe culvert structure of corrugated steel pipe culvert stability.
The technical scheme of the utility model is realized like this: the utility model provides a structure is contained to bellows which characterized in that: the corrugated pipe culvert is formed by sequentially sleeving at least two layers of corrugated pipes, at least two adjacent layers of corrugated pipes are different in direction of strip trend, the strip trend of the corrugated pipes is that salient points on the outer side of the corrugated pipe body are used as wave crests, salient points on the inner side of the pipe body are used as wave troughs, and the direction of the fold strips formed between the wave crests and the wave troughs can be extended.
Corrugated pipe culvert structure, its form parallel fold stripe between crest and the trough in the bellows, have the stripe trend mutually perpendicular of adjacent two-layer bellows at least.
Corrugated pipe culvert structure, its the corrugated pipe culvert comprises double-deck two-way rigid corrugated pipe structure by inlayer bellows and outer bellows, the wave trough of outer bellows and the crest in close contact with of inlayer bellows to connect through connecting elements and fix and form wholly.
Bellows contain structure, its the stripe trend of outer bellows is for following the pipeline hoop, outer bellows hoop is the rigidity and vertically is flexible, the stripe trend of inlayer bellows is vertical for following the pipeline, inlayer bellows hoop is flexible and vertically is the rigidity.
Bellows culvert structure, its inlayer bellows and outer bellows whole form circular tubular structure, the net internal diameter of inlayer bellows constitutes the flood discharge or the passageway space diameter of culvert promptly, outer bellows outer wall is the road bed soil filling.
The corrugated pipe culvert structure of the utility model has the advantages that for the general corrosion and scouring occasions, a plurality of hot coating asphalt layers are added on the inner and outer walls of the corrugated pipe; for the serious occasion of corrosion and scouring, at least one layer of C30 fine stone concrete is wrapped on the inner wall of the inner-layer corrugated pipe outside the hot-coating asphalt layer.
The corrugated pipe culvert structure, it cross connecting elements and be high strength bolt or rivet.
Corrugated pipe culvert structure, its inlayer bellows and outer bellows all adopt suppression shaping's wave plate in advance to enclose, inlayer bellows and/or outer bellows comprise a monoblock wave plate, the stripe trend of outer bellows is unanimous with the arc direction parallel that corresponds the wave plate bending, the stripe trend of inlayer bellows is unanimous with the pipe culvert axial direction parallel that corresponds the wave plate and encloses.
The utility model discloses a corrugated pipe culvert structure, its inlayer bellows and outer bellows all adopt the wave plate of suppression shaping in advance to enclose, the wave plate of inlayer bellows is flat, and is formed by the bending of polylith wave plate along the hoop and end to end overlap joint is assembled, the stripe trend of inlayer bellows is unanimous with the pipe culvert axial direction that the corresponding wave plate encloses; the corrugated plates of the outer corrugated pipe are arc-shaped tile-shaped and formed by splicing a plurality of arc-shaped tile-shaped corrugated plates end to end in an annular manner, and the strip trend of the outer corrugated pipe is consistent with the arc direction of the corresponding curved corrugated plate in parallel.
Corrugated pipe culvert structure, it is in corrugated sheet's corrugated plate reserves all around the overlap joint and assembles and use the preformed hole the trough position evenly arranges and reserves the preformed hole of being connected with the inlayer bellows in the middle of the corrugated sheet of corrugated sheet flat corrugated plate reserves all around the overlap joint and assembles and use the preformed hole the crest position evenly arranges and reserves the preformed hole of being connected with outer bellows in the middle of the flat corrugated plate, preformed hole position one-to-one in the middle of inlayer bellows and the outer bellows.
Compared with the prior art, the utility model, following beneficial effect has:
1) the utility model discloses an adopt multilayer bellows structural design, and the stripe trend of adjacent bellows is different, constitutes body hoop and axial and all is the rigidity, can exert the characteristics that each layer corrugated steel pipe one-way flexibility was under construction easily and is assembled when the construction, can reduce and exempt from a large amount of construction and assist rib positioning measures, also can reduce and exempt from the excessive development of work progress plasticity hinge, implements the progress fast, forms the corrugated steel pipe of two-way rigidity after the construction is accomplished wholly.
2) The utility model discloses the two-layer two-way corrugated steel pipe culvert structure that forms, it is whole for the corrugated steel pipe of two-way rigidity, increased the compressive capacity of culvert greatly and improved its stability, avoided the local atress of culvert big and the flexible deformation that produces, reduced the influence of subsiding to the road surface, reduced corrugated steel pipe's thickness, effectively reduced engineering cost, better economic benefits has.
3) The utility model discloses a two-layer two-way corrugated steel pipe culvert structure, its inlayer stripe trend is the pipe culvert axial, is favorable to reducing the roughness of rivers, increases the velocity of water, effectively reduces the sectional area's of culvert demand, and inlayer corrugated steel pipe still has the replaceability or can overlap the replenishment increase and hardly account for the advantage in space after the damage of erodeing simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention.
Fig. 3 is a schematic view of the structure of the outer corrugated tube of the present invention.
Fig. 4 is a schematic structural view of the middle-layer corrugated pipe of the present invention.
The labels in the figure are: 1 is an inner-layer corrugated pipe, and 2 is an outer-layer corrugated pipe.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description is made in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "axial", "circumferential", "strike", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "layer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the steel bellows culvert or connection rod member 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 invention.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the present invention may be modified in various embodiments described below, or equivalents may be substituted for some of the features. 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.
As shown in fig. 1 to 4, a corrugated pipe culvert structure, the corrugated pipe culvert is formed by at least two layers of corrugated pipes in a sleeved mode in sequence, in at least two layers of corrugated pipes, at least the directions of the trend of adjacent two layers of corrugated pipes are different, the directions and the positions of the corrugated pipes are determined conveniently, the trend of the corrugated pipes is that the salient points outside the corrugated pipe body are used as wave crests, the salient points inside the pipe body are used as wave troughs, the direction of the fold strips which can extend is formed between the wave crests and the wave troughs is formed, wherein the parallel fold strips are formed between the wave crests and the wave troughs in the corrugated pipes, and the trend of the corrugated pipes which are at.
In this embodiment, the corrugated pipe culvert is composed of an inner-layer corrugated pipe 1 and an outer-layer corrugated pipe 2 to form a double-layer bidirectional rigid corrugated pipe structure, the wave troughs of the outer-layer corrugated pipe 2 are in close contact with the wave crests of the inner-layer corrugated pipe 1 and are connected and fixed to form a whole through uniformly distributed connecting members, the connecting members are high-strength bolts or rivets, the wave numbers of the outer-layer corrugated pipe and the inner-layer corrugated pipe are integers and are matched with the diameter of the pipe, and the outer-layer corrugated pipe and the inner-layer corrugated pipe are produced by prefabricating in a factory according to the number, the wavelength, the wave height, the wall thickness and the model of a steel plate and are conveyed to a culvert site.
Specifically, the stripe trend of outer bellows 2 is for following the pipeline hoop, outer bellows 2 hoop is the rigidity and vertically is the flexibility, the stripe trend of inlayer bellows 1 is for vertically following the pipeline, inlayer bellows 1 hoop is the flexibility and vertically is the rigidity, and the pipe diameter of outer bellows trough and inlayer bellows crest equals, inlayer bellows 1 and outer bellows 2 whole forms the circular tubular structure of zonulae occludens, the net internal diameter of inlayer bellows 1 constitutes the flood discharge or the passageway space diameter of culvert promptly, outer bellows 2 outer wall is the road bed soil filling.
For general corrosion and scouring occasions, a plurality of hot coating asphalt layers are added on the inner wall and the outer wall of the corrugated pipe; for the serious occasion of corrosion and scouring, at least one layer of C30 fine stone concrete is wrapped on the inner wall of the inner-layer corrugated pipe outside the hot-coating asphalt layer, so that the capability of the culvert to be scoured by water flow is enhanced.
As a structural design, the inner layer corrugated pipe 1 and the outer layer corrugated pipe 2 are formed by enclosing corrugated plates formed by pressing in advance, if the whole pipe diameter is not large, the inner layer corrugated pipe 1 and/or the outer layer corrugated pipe 2 are/is composed of a whole corrugated plate, the strip trend of the outer layer corrugated pipe 2 is parallel and consistent with the arc direction of the corresponding corrugated plate in a bending mode, the axial direction of the outer layer corrugated pipe is flexible, the strip trend of the inner layer corrugated pipe 1 is parallel and consistent with the axial direction of a pipe culvert enclosed by the corresponding corrugated plate in an enclosing mode, the axial direction of the inner layer corrugated pipe is rigid, and the other one direction of the inner layer corrugated.
As another structural design, the inner-layer corrugated pipe 1 and the outer-layer corrugated pipe 2 are both formed by enclosing of corrugated plates formed by pressing in advance, the corrugated plates of the inner-layer corrugated pipe 1 are flat and are formed by bending a plurality of corrugated plates in an annular direction and splicing the corrugated plates in an end-to-end lap joint mode, staggered lap joints are adopted when the corrugated plates are mutually connected in a ring-to-ring mode to improve the integral reliability level of a lap joint point, and the strip direction of the inner-layer corrugated pipe 1 is axially parallel and consistent with a pipe culvert enclosed by the corresponding corrugated plates; preferably, the length of the corrugated steel plate is equal to the length of the pipe joint, the length of the pipe joint of the corrugated steel plate on the inner layer is larger than that of the pipe joint of the corrugated steel plate on the outer layer, the corrugated steel plates are spliced into a large plane corrugated plate according to the length of the circumference of the pipe during splicing, and the direction of a seam is consistent with that of a stripe; and bending the flat plate along the normal direction of the flat plate, wherein a rope is required to be tensioned from the outside of the flat plate to form a ring in an auxiliary manner when the flat plate is bent, so that the head and the tail of the flat plate are lapped, the connecting hole positions are aligned, and the rivet is tightened. The pipe diameter has the tension of outside extension after the inlayer bellows assembles into the pipe, can tighten by the rope and fix to can penetrate the outer diameter in the outer bellows, and the implementation of inlayer tube coupling is accomplished.
The corrugated plate of outer bellows 2 is arc tile shape to form is assembled along the hoop overlap joint of linking to each other end to end by the corrugated plate of polylith arc tile shape, adopts the dislocation overlap joint when linking to each other the overlap joint, in order to avoid the excessive development of work progress plasticity hinge, the stripe trend of outer bellows 2 is unanimous with the arc direction parallel that corresponds the corrugated plate bending. When the tiles are spliced, the tiles are spliced into a first ring, then the tiles in the second ring are spliced with the first ring piece by piece, and when the tiles in the second ring are spliced, axial and circumferential joints are synchronously finished until all the tiles in the second ring are spliced; the next ring is repeated as in the second ring method until the joint length is reached. The assembled outer-layer corrugated pipe joint has rigidity in the circumferential direction, is flexible in the axial direction and has certain axial extensibility, and the reserved connecting hole positions are aligned in the assembling process.
The outer layer corrugated pipe joints are assembled and transported to a culvert position foundation, the adjacent outer layer 1 st section and 2 nd section pipe joints are assembled firstly, then the inner layer A section pipe joints are shipped and penetrated into the 1 st section and the 2 nd section outer layer pipe joints, the connection hole positions between the inner layer and the outer layer are adjusted and aligned, and bolts are tightened; and then splicing the outer 3 rd pipe section, then penetrating the inner layer pipe section of the B section, connecting the inner layer A with the pipe section B through bolts, connecting the connecting bolts of the B section, the 2 nd section and the 3 rd section of the outer layer pipe section, and repeatedly implementing the method according to the method for connecting the outer layer pipe section of the 3 rd section and the inner layer pipe section of the B section until the length of the pipe culvert is segmented, wherein the segmented length can be considered in combination with geological settlement joints, and the method is implemented like the method for implementing the pipe sections, and repeatedly implementing the double-layer bidirectional steel corrugated pipes in the whole pipe culvert length range. And after the double-layer bidirectional steel corrugated pipes are assembled, implementing next step of earthwork symmetric backfill construction on two sides of the pipe culvert until the designed elevation is reached.
The corrugated plate is provided with reserved holes for overlapping and assembling, the middle trough positions of the corrugated plate are uniformly arranged and reserved with the reserved holes connected with the inner corrugated pipe 1, the periphery of the flat corrugated plate is reserved with the reserved holes for overlapping and assembling, the middle crest positions of the flat corrugated plate are uniformly arranged and reserved with the reserved holes connected with the outer corrugated pipe 2, the reserved hole positions in the middle of the inner corrugated pipe 1 and the outer corrugated pipe 2 are in one-to-one correspondence, the steel plate can be made of Q235 steel, Q345 steel, Q390 steel, Q420 steel and the like, and the inner wall and the outer wall of the steel plate are hot galvanized layers.
Like above embodiment, double-deck two-way corrugated steel pipe culvert has constituted an integral stable system, and two-way all has intensity and rigidity, can exert two-way corrugated steel pipe's characteristic jointly, and the corrugated pipe wholeness effect has avoided local atress to concentrate the problem simultaneously, has greatly improved the compressive capacity of corrugated pipe, has improved its stability.
The construction process of the embodiment is as follows:
the method comprises the following steps that firstly, outer-layer corrugated pipes are assembled by steel corrugated arc-shaped tiles, the tiles are prefabricated components of a factory, the clearance diameter of the inner side of a corrugated pipe culvert is 4m, the wave distance, the wave height and the wall thickness of the tiles are 400mm multiplied by 150 mm multiplied by 6.5mm, rivet connection holes are reserved on the periphery of the tiles, the rivet holes are in a single-row axial spacing of 200mm, the annular spacing is 400mm, and the hole size is 28 mm; the tile is made of steel.
The inner-layer corrugated pipe is assembled by adopting steel corrugated flat plates, the flat plates are prefabricated components in a factory, the diameter of the outer side of a culvert of the inner-layer corrugated pipe is 4m, the wave distance, the wave height and the wall thickness of the flat plates are 400 multiplied by 150 multiplied by 20mm, rivet connection holes are reserved on the periphery of the flat plates, the rivet holes are arranged in a double-row mode, the circumferential distance is 200mm, the axial distance is 400mm, and the hole size is 28 mm; the flat plate is made of steel.
And secondly, constructing the culvert groove and the foundation.
And excavating the culvert position groove according to the construction laying line, tamping the foundation after the design elevation is reached, wherein the technical indexes such as bearing capacity and the like reach the qualified standard, and the periphery of the foundation is level and has an assembled corrugated pipe space.
And thirdly, assembling the inner-layer corrugated pipe joint in a field.
The method comprises the steps of firstly carrying steel corrugated plates of inner-layer corrugated pipes to a pre-prepared assembling space on the periphery of a culvert position, assembling the inner-layer corrugated pipes by single-ring steel corrugated plates, specifically, aligning the overlapping of adjacent annular plates to preset holes, tightening and connecting the adjacent annular plates hole by rivet, repeatedly aligning the overlapping of the annular plates to the preset holes and tightening the rivets until a flat plate with the length of 2.65m and the width of 12.76m is formed, then bending the corrugated steel flat plates to the corrugated pipes with the diameter of about 4m outside the pipe along the flexibility of the corrugated plates, aligning the preset holes at two ends and tightening the rivets, and after the completion, the diameter of the outside of the inner-layer corrugated pipe is about 4m and the.
And fourthly, assembling outer-layer corrugated pipe joints in the field.
The method is consistent with the method for assembling the inner-layer corrugated steel pipe, the outer-layer corrugated steel pipe corrugated arc-shaped tiles are conveyed to the assembly space prepared in advance on the periphery of the culvert position, the assembly of the outer-layer corrugated steel pipe is that the first ring is assembled firstly, and then the second ring tiles and the first ring are assembled piece by piece until 2.08m sections of the corrugated steel pipe joints are assembled.
Specifically, circumferentially adjacent tiles are overlapped and aligned, hole-by-hole connection is completed by rivets, the tiles are overlapped and aligned with hole positions repeatedly, the rivets are tightened until a first annular corrugated pipe is formed, and the inner diameter of the ring is 4 m. Assembling a second ring tile and a first ring corrugated pipe, wherein the second ring tile straddles the axial lap joint of the first ring to form a dislocation of the first ring and the second ring lap joint, and tightening rivets after hole positions are aligned to complete the installation of the first tile of the second ring; and (3) repeatedly finishing the second ring, and then tightening rivets after all the tiles are left on the second ring and are lapped and aligned with the circumferential seam of the first ring corrugated pipe and the axial seam hole position of the first tile in front of the second ring until the first ring and the second ring are completely assembled into a whole, wherein each section of the pipe section of the outer layer corrugated steel pipe is 2.08m long after finishing, and the inner diameter is 4 m.
Fifthly, assembling and backfilling the pipe joints on site.
And (3) implementing the culvert position foundation of the pipe culvert to reach the design standard, and transferring the prefabricated inner and outer layer corrugated pipe culverts to the culvert groove site for preparing installation construction. Firstly, two sections of outer-layer steel corrugated pipe culverts which are connected are closely arranged to a qualified foundation position, the overlapping seams of adjacent sections are adjusted to process the dislocation position and axially translate to be in place, and the two sections of steel corrugated pipe culverts are connected together by bolts. The steel corrugated pipe culvert after connection is placed on a qualified foundation through fine adjustment, then an inner ring steel corrugated pipe tightened by a rope penetrates into an outer layer steel corrugated pipe, a reserved hole is aligned and a bolt is tightened, a 10m section double-layer bidirectional steel corrugated pipe culvert structure is finally formed, and next-step pipe culvert two-side earthwork symmetrical backfill construction is prepared.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a structure is contained to bellows which characterized in that: the corrugated pipe culvert is formed by sequentially sleeving at least two layers of corrugated pipes, at least two adjacent layers of corrugated pipes are different in direction of strip trend, the strip trend of the corrugated pipes is that salient points on the outer side of the corrugated pipe body are used as wave crests, salient points on the inner side of the pipe body are used as wave troughs, and the extending direction of the corrugated strips formed between the wave crests and the wave troughs is extended.
2. The corrugated culvert structure of claim 1, wherein: parallel fold stripes are formed between wave crests and wave troughs in the corrugated pipes, and the stripes of at least two adjacent layers of corrugated pipes are vertical to each other.
3. The corrugated culvert structure of claim 2, wherein: the corrugated pipe culvert is characterized in that a double-layer bidirectional rigid corrugated pipe structure is formed by an inner-layer corrugated pipe (1) and an outer-layer corrugated pipe (2), and wave troughs of the outer-layer corrugated pipe (2) are in close contact with wave crests of the inner-layer corrugated pipe (1) and are connected and fixed through connecting members to form a whole.
4. The corrugated culvert structure of claim 3, wherein: the strip trend of outer bellows (2) is for following the pipeline hoop, outer bellows (2) hoop is the rigidity and vertically is flexible, the strip trend of inlayer bellows (1) is for following the pipeline vertically, inlayer bellows (1) hoop is flexible and vertically is the rigidity.
5. The corrugated culvert structure of claim 3, wherein: the inner-layer corrugated pipe (1) and the outer-layer corrugated pipe (2) are integrally formed into a circular tubular structure, the net inner diameter of the inner-layer corrugated pipe (1) forms the flood discharge or passage space diameter of the culvert, and the outer wall of the outer-layer corrugated pipe (2) is filled with soil for a roadbed.
6. The corrugated culvert structure of claim 3, wherein: for general corrosion and scouring occasions, a plurality of hot coating asphalt layers are added on the inner wall and the outer wall of the corrugated pipe; for the serious occasion of corrosion and scouring, at least one layer of C30 fine stone concrete is wrapped on the inner wall of the inner-layer corrugated pipe outside the hot-coating asphalt layer.
7. The corrugated culvert structure of claim 3, wherein: the connecting component is a high-strength bolt or a rivet.
8. The corrugated culvert structure of any one of claims 3 to 7, wherein: the corrugated plate corrugated pipe is characterized in that the inner-layer corrugated pipe (1) and the outer-layer corrugated pipe (2) are formed by enclosing corrugated plates which are formed by pressing in advance, the inner-layer corrugated pipe (1) and/or the outer-layer corrugated pipe (2) are formed by one whole corrugated plate, the strip trend of the outer-layer corrugated pipe (2) is parallel and consistent with the arc direction of the corresponding corrugated plate, and the strip trend of the inner-layer corrugated pipe (1) is parallel and consistent with the axial direction of a pipe culvert enclosed by the corresponding corrugated plates.
9. The corrugated culvert structure of any one of claims 3 to 7, wherein: the corrugated plate of the inner-layer corrugated pipe (1) is flat and is formed by annularly bending a plurality of corrugated plates and splicing the corrugated plates end to end, and the strip trend of the inner-layer corrugated pipe (1) is in parallel with the axial direction of a pipe culvert surrounded by the corresponding corrugated plates; the corrugated plates of the outer corrugated pipe (2) are arc-shaped tile-shaped plates and are formed by splicing a plurality of arc-shaped tile-shaped corrugated plates end to end in an annular mode, and the strip trend of the outer corrugated pipe (2) is parallel and consistent with the arc direction of the corresponding curved corrugated plate.
10. The corrugated culvert structure of claim 9, wherein: the utility model discloses a corrugated plate, including the corrugated plate of tile form, wave plate and the flat-plate corrugated plate of tile form are reserved all around to have the overlap joint to assemble and use the preformed hole the wave trough position evenly arranges and reserves the preformed hole of being connected with inlayer bellows (1) in the middle of the wave plate of tile form the flat-plate corrugated plate is reserved all around to have the overlap joint to assemble and uses the preformed hole the wave crest position evenly arranges and reserves the preformed hole of being connected with outer bellows (2) in the middle of the flat-plate corrugated plate, the preformed hole position one-to-one in the middle of inlayer bellows (1) and outer bellows (2).
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