CN210507186U - Steel corrugated culvert is with flexible connection structure of multidirectional dislocation - Google Patents
Steel corrugated culvert is with flexible connection structure of multidirectional dislocation Download PDFInfo
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- CN210507186U CN210507186U CN201921315454.2U CN201921315454U CN210507186U CN 210507186 U CN210507186 U CN 210507186U CN 201921315454 U CN201921315454 U CN 201921315454U CN 210507186 U CN210507186 U CN 210507186U
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Abstract
The application discloses a multidirectional displacement telescopic connection structure for a steel corrugated culvert pipe, which is arranged at the connection part of a left section of steel corrugated culvert pipe and a right section of steel corrugated culvert pipe, the structure comprises annular reinforced section steel which is fixedly connected with the left section of steel corrugated culvert pipe and the right section of steel corrugated culvert pipe respectively, an upper wing plate and a lower wing plate of the reinforced section steel are respectively positioned at the outer side and the inner side of the steel corrugated culvert pipe, an outer shroud plate and an inner web plate are respectively arranged between the upper wing plate and the lower wing plate of the reinforced section steel at the left side and the right side, a reinforced rib plate is arranged above the outer shroud plate, the reinforced rib plate and the outer shroud plate are both provided with long circular holes, a first bolt sequentially passes through the reinforced rib plate and the long circular hole of the outer shroud plate to be fixedly connected with the upper wing plate, a deformation coordination device is also arranged, the longitudinal uniform continuous deformation at the expansion joint of a culvert is ensured, the structure is simple, the, the corrugated steel culvert pipe is more suitable for different geology and terrains, has wider application range and prolongs the service life of the pipe joint.
Description
Technical Field
The utility model belongs to the technical field of the engineering pipeline, a telescoping device for culvert is related to, specifically is a steel ripple culvert effective flexible connection structure who shifts to multidirectionally.
Background
The corrugated steel culvert pipe is a threaded corrugated pipe for culvert buried under a road or a railway, and is a circular corrugated pipe which is made by rolling corrugated metal plates or splicing semicircular corrugated steel sheets.
The existing telescopic device for the culvert cannot well solve the problem of deformation (telescopic deformation) of the pipe joint, for example, the telescopic device disclosed in CN109778726A can relieve the problem of large-area deformation of the steel corrugated pipe, but cannot effectively compensate the time-lapse sharp increase of prismatic load (gravity of vertical prismatic soil above the arch culvert), cannot compensate the time-lapse sharp deflection, and still cannot achieve ideal values in safety and service life.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, designed a steel ripple culvert pipe with flexible connection structure that shifts to many directions, simple structure, simple to operate can solve the deformation (flexible deformation) problem of tube coupling itself, has compensated prismatic load (the gravity of the perpendicular prismatic soil in arch culvert top) effectively and has sharply increased with time, makes the tube coupling pass through the change of expansion joint in corresponding side, has compensated the flexure with sharp increase in time.
In order to solve the above problem, the utility model adopts the following technical scheme:
the utility model provides a steel corrugated culvert is with flexible connection structure that multidirectional shifted sets up in the linking position of two sections left and right steel corrugated culvert pipes, links firmly and the cross-section is the cyclic annular enhancement shaped steel of I shape including linking firmly respectively with left and right steel corrugated culvert pipe in the structure, and the last pterygoid lamina of strengthening shaped steel is located the outside and the inboard of steel corrugated culvert pipe respectively with lower pterygoid lamina, strengthens the last pterygoid lamina of shaped steel in left and right both sides, sets up respectively between the lower pterygoid lamina and outer shroud plate and interior web, and the key is: the upper wing plate is fixedly connected with the lower wing plate through the long circular holes in the inner web plate, and the lower wing plate is fixedly connected with the upper wing plate through the long circular holes in the inner web plate.
The web of left and right both sides enhancement shaped steel on respectively be fixed with round C type channel-section steel, the opening of C type channel-section steel sets up inwards, and the opening part contracts in, is equipped with the elastomer between two C type channel-sections steel, the both ends embedding of elastomer is in the C type channel-section steel that corresponds.
The axial section of the elastic body is in a wave shape, and the elastic body is made of rubber, plastic or metal.
The left and right side reinforced section steel between still be provided with the coordinating device that warp, the coordinating device that warp include a pair of mount pad that links firmly with the web of left and right side reinforced section steel, ball pivot connection U type spare on the mount pad, with the articulated parallelogram hinge structure of constituteing by a set of cross brace and the pivot that sets up at each intersection position of cross brace of U type spare.
The inner and outer shroud plates are both provided with corrugations, wherein the corrugations on the inner shroud plate are outer convex patterns, and the corrugations of the outer shroud plate are inner concave patterns.
And the screw rods of the first bolt and the second bolt are respectively provided with a circular sliding ring which can slide in the oblong hole, and gaskets are respectively arranged between the bolt cap of the first bolt and the reinforcing rib plate, between the bolt cap of the first bolt and the upper wing plate, between the bolt cap of the second bolt and the inner web plate, and between the bolt cap of the second bolt and the lower wing plate.
The widths of the outer shroud plate and the inner web plate are both larger than the distance between the two sections of steel corrugated culvert pipes.
The flexible connection structure include the cyclic annular of a plurality of parallel oppositions and strengthen shaped steel, cyclic annular is strengthened shaped steel quantity more than or equal to three rings, cyclic annular is strengthened shaped steel and is formed by a set of arc shaped steel head and the tail fixed connection, adjacent arc shaped steel passes through the shaped steel connecting plate to be connected fixedly, the shaped steel connecting plate overlap joint is on two arc shaped steel to it is fixed through the fourth bolt.
The profile steel connecting plates are arranged on two sides of the web plate, and two pieces of C-shaped channel steel are arranged on the web plate on each side.
The steel corrugated culvert pipe and the reinforced steel fixing structure comprises a circumferential flange arranged at the end part of the steel corrugated culvert pipe, and the circumferential flange is fixedly connected with the web plate by means of a third bolt.
The utility model has the advantages that: the utility model provides a steel corrugated culvert pipe is with flexible connection structure that multidirectional shifted, simple structure, simple to operate can solve the deformation (flexible deformation) problem of tube coupling itself, has compensated prismatic load (the gravity of the perpendicular prismatic soil in culvert pipe top) effectively and has sharply increased with time, makes the tube coupling pass through the change of expansion joint in corresponding direction, has compensated the flexion with sharply increased with time. The corrugated steel culvert is particularly suitable for pipelines paved by the corrugated steel culvert, so that the corrugated steel culvert is more suitable for different geology and terrains; in the construction, when the foundation is stressed unevenly and the backfill density cannot reach the standard to generate settlement, the steel corrugated culvert pipe is not easy to deform in a large area (telescopic deformation), the safety of the culvert is improved, and the service life of the steel corrugated culvert pipe is prolonged.
The inner web plate and the outer cover plate are provided with the corrugations, so that the strength of the plates is improved, the section performance of the whole culvert is not influenced, if the water passing performance of the water passing culvert is influenced, the corrugations of the inner cover plate adopt an outward convex design, and the outer cover plate is inwards concave, so that the whole structure is more compact, the occupied space of the whole structure is smaller, the mechanical property is more excellent, and the corrugated steel plate is particularly suitable for some culvert reinforcing projects.
The reinforcing rib plate, the outer shroud plate and the inner web plate are all provided with oblong holes for bolts to slide, the first bolts penetrate through the oblong holes of the reinforcing rib plate and the outer shroud plate and are fixedly connected with the upper wing plate, the outer shroud plate and the reinforcing section steel do not form a rigid whole, therefore, different displacement changes of two culvert pipe main bodies at two ends of the expansion joint perpendicular to the axial direction of the culvert are not influenced, the axial telescopic performance of the whole structure is not influenced, namely the axial change of the expansion joint along the culvert is not influenced, and the reinforcing rib plate enables the structure to be more stable. In addition, the reinforcing rib plate is installed on the outer covering plate, external dust, sand and stone can fall on the reinforcing rib plate, even if the long round hole in the reinforcing rib plate is blocked by dust, the outer covering plate can still slide on the reinforcing rib plate, the telescopic connection structure can keep the telescopic function, and the gasket is arranged at the contact position of the first bolt and the reinforcing rib plate, so that friction is further reduced, and the service life of the reinforcing rib plate is longer.
The deformation coordinating device consists of a rotary displacement compensator and a telescopic displacement compensator, the rotary displacement compensator adopts a mounting seat ball hinge to connect a U-shaped part, the vertical and horizontal uniform and continuous deformation of the culvert expansion joint can be ensured, the expansion displacer adopts a parallelogram hinge structure consisting of a group of cross braces and rotating shafts arranged at the cross positions of the cross braces, the longitudinal uniform and continuous deformation of the culvert expansion joint can be ensured, when the pipe joint is stressed, the impact force on the telescopic connecting structure can be reduced, so that the inner and outer covering plates are not easy to damage in the stretching process, the performance of the telescopic connecting structure is ensured, the phenomenon of structure mutation at the expansion joint of the overall structure can not occur, and make the tube coupling when the atress, through the change of expansion joint in corresponding direction, compensation flexure and prismatic load make the increase of the power that the tube coupling can bear, more non-deformable improves the life of steel corrugated culvert pipe.
Drawings
Fig. 1 is a schematic cross-sectional view of the telescopic connection structure of the present invention.
Fig. 2 is a schematic cross-sectional view of a deformation coordination device according to the present invention.
Fig. 3 is a schematic structural diagram of the device for coordinating deformation in the present invention.
Fig. 4 is a schematic structural view of the reinforcing rib plate of the present invention.
Fig. 5 is a schematic structural diagram of the bolt of the present invention.
Fig. 6 is the utility model discloses well I-shaped strenghthened type steel construction sketch map.
Fig. 7 is a schematic view of the connection structure between the present invention and a corrugated steel culvert.
Fig. 8 is a schematic cross-sectional view illustrating a fourth bolt and a section steel connecting plate according to the present invention.
In the drawing, 1, reinforcing section steel, 2, an outer covering plate, 21, a first bolt, 3, an inner web plate, 31, a second bolt, 4, a C-shaped channel steel, 5, an elastic body, 6, a sliding ring, 61, a gasket, 7, a section steel connecting plate, 8, a reinforcing rib plate, 81, a long circular hole, 9, a deformation coordinating device, 91, a rotary displacement compensator, 92, a telescopic displacement compensator, 100, a steel corrugated culvert pipe, 101, a circumferential flange, 102, a third bolt, 11, an upper wing plate, 12, a web plate, 13, a lower wing plate, 14, a mounting seat, 15, a cross brace, 16 and a rotating shaft.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments:
as shown in fig. 1-8, the flexible connection structure that a steel corrugated culvert pipe was shifted with multidirectionally sets up in the linking position of left and right two sections steel corrugated culvert pipe 100, including linking firmly and the cross-section is the annular reinforced section steel 1 of I shape with left and right steel corrugated culvert pipe 100 respectively in the structure, the last aerofoil 11 and the lower aerofoil 13 of reinforced section steel 1 are located the outside and the inboard of steel corrugated culvert pipe 100 respectively, at left and right both sides reinforced section steel 1 last aerofoil 11, set up respectively between the lower aerofoil 13 and outer shroud plate 2 and interior web 3, the key is: the upper part of the outer shroud plate 2 is also provided with a reinforcing rib plate 8, the reinforcing rib plate 8 and the outer shroud plate 2 are both provided with oblong holes 81, a first bolt 21 sequentially penetrates through the reinforcing rib plate 8 and the oblong holes 81 of the outer shroud plate 2 to be fixedly connected with the upper wing plate 11, the inner web plate is also provided with the oblong holes 81, and a second bolt 31 penetrates through the oblong holes 81 on the inner web plate 3 to be fixedly connected with the lower wing plate 13.
Annular enhancement shaped steel 1 is cut apart into two sections with whole culvert pipe, and two sections different culvert pipes of fixed connection have respectively played the additional strengthening to the culvert pipe position of connecting simultaneously, make disconnection department structural strength higher, and the quantity of reinforcing shaped steel 1 in the middle of the increase can be under the effective distance condition in satisfying the expansion joint, the continuity and the stability of reinforcing structure.
The flat straight section of the outer shroud plate 2 is connected with the corresponding upper wing plate 11 through a first bolt 21, the outer shroud plate 2 is an inwards concave corrugated section between two adjacent reinforced section steels 1, the flat straight section of the inner web plate 3 is connected with the corresponding lower wing plate 11 through a second bolt 31, the inner web plate 3 is an outwards convex corrugated section between the two adjacent reinforced section steels 1, a plurality of reinforcing ribs 8 are circumferentially and uniformly distributed on the outer side of the outer shroud plate, and the axial cross section of each reinforcing rib plate 8 is in a corrugated shape.
All the I-shaped reinforcing section steel 1 are connected and fixed through the arrangement of the outer shroud plate 2 and the inner web plate 3 to form an integral structure. The wave segments on both the outer skin plate 2 and the inner web plate 3 comprise one or more waves with a wave height of 13-250mm and a wavelength of 68-500 mm. Interior web 3, outer panel 2, set up the slotted hole on the reinforcing floor 8, bolt for fixing can slide in the slotted hole, the bolt does not be fixed in the board on reinforcing floor steel 1 completely, interior web 3, outer panel 2 does not form a rigidity whole with reinforcing floor steel 1, therefore, do not influence the axial different displacement changes of expansion joint both ends culvert main part perpendicular to culvert, do not influence overall structure's axial scalability, the axial change of expansion joint along the culvert is not influenced promptly, and set up reinforcing floor 8 on outer panel 2, it is little to make outer panel 2 receive external dust grit aggression degree, can keep the flexible function of outer panel 2, thereby make the stable use that the extending joint structure can be long-time.
The deformation coordination device 9 mainly comprises rotary displacement compensators 91 at two sides and a telescopic displacement compensator 92 at the middle part, wherein the rotary displacement compensator 91 adopts a structure that a mounting seat is connected with a U-shaped piece in a spherical hinge manner, a web plate is fixedly connected with a pair of mounting seats, and the U-shaped piece is connected with the mounting seats in a spherical hinge manner and used for coordinating the vertical and transverse deformation of the expansion joint; the telescopic displacer 92 is a parallelogram hinge structure composed of a group of cross braces hinged with the U-shaped member and rotating shafts arranged at each cross position of the cross braces, and is used for coordinating the longitudinal deformation of the expansion joint.
In order to prevent the culvert expansion joint from leaking water, the expansion joint is subjected to water stop treatment. Especially, the culvert is pressurized, and in order to prevent the damage caused by the pressure or vacuum of the internal water, the joint of the expansion joint is required to be sealed. Consequently, in the middle part of the web 12 of the relative one side of two adjacent enhancement shaped steel 1, respectively be fixed with round C type channel steel 4, for easy to assemble and later maintenance, the opening of C type channel steel 4 sets up inwards, and the opening part internal shrinkage, is equipped with elastomer 5 (being the waterstop) between two C type channel steel 4, the both ends embedding of elastomer 5 is in the C type channel steel 4 that corresponds. The elastomer 5 is used for water stopping and water proofing of the expansion joint, and the elastomer 5 can be prevented from being separated from the C-shaped channel steel 4 and influencing the use of the C-shaped channel steel 4 by retracting the opening of the C-shaped channel steel 4. The elastic body 5 can be made of rubber, plastic or metal.
The reinforcing rib plate 8, the inner web plate 3 and the outer covering plate 2 protect the elastic body 5, the reinforcing rib plate 8 and the outer covering plate 2 are used for preventing backfill materials such as sand and stones in the backfill soil of the culvert from damaging the elastic body 5, and the inner web plate 3 is used for preventing impurities in water in the water culvert from damaging the elastic body 5. That is, the reinforcing rib 8, the inner web 3 and the outer skin 2 can bear pressure and bear impact, while the elastic body 5 is not used for bearing pressure and bearing impact, but only used for water stopping and water proofing.
When the elastomer 5 is formed by coating, a support body needs to be fixed between the inner side of the outer shroud plate 2 and the two web plates 13, the inner side ring surface of the support body is the same as the shape of the elastomer 5 to be formed, then the liquid elastomer 5 is coated on the C-shaped groove and the inner side ring surface of the support body, and the elastomer can play the role after being fixed and formed. During coating forming, the supporting body is specifically filled with foamed polyurethane, the foamed polyurethane is shaped, then the elastomer 5 is coated with the elastomer 5 in a liquid state, the elastomer 5 can be prefabricated and formed, and two ends of the elastomer are directly embedded in the C-shaped groove of the C-shaped channel steel 4 to be fixed.
The axial section of the elastic body 5 is corrugated, and the corrugated elastic body 5 has the advantages of good expansion performance, smooth transition at all positions and consistent mechanical property, so that the expansion joint is adapted to change, and meanwhile, the water stopping and preventing performance is not influenced.
The width of outer shroud plate 2 and interior web 3 all is greater than the distance between two sections culvert pipes, and one side that two enhancement shaped steel 1 carried on the back mutually is all located to first bolt 21 and second bolt 31, the construction installation of being convenient for, and middle part enhancement shaped steel lower limb department welds fixation nut in advance. The first bolt 21 and the second bolt 31 are respectively provided with a round sliding ring 6 capable of sliding in the slotted hole, the sliding rings 6 can prevent the abrasion of threads on the bolts, the sliding rings 6 enable the bolts to be just positioned at the center in the width direction of the slotted holes, extra shearing force caused by the bolts by the plates is prevented, and the service life of the bolts is prolonged. The contact position of the first bolt 21 and the longitudinal reinforcing rib 8 is provided with a convex gasket to be attached to the wave trough position of the corrugated structure of the longitudinal reinforcing rib 8, the bolt is guaranteed to slide smoothly in the long round hole, the contact position of the first bolt 31 and the upper wing plate 11 of the section steel is provided with the gasket, and the contact positions of the second bolt 31 and the lower wing plate 11 of the section steel and the inner web plate 3 are provided with the gaskets.
Annular enhancement shaped steel 1 is formed by a set of arc shaped steel head and the tail fixed connection, and adjacent arc shaped steel passes through shaped steel connecting plate 7 to be connected fixedly, shaped steel connecting plate 7 overlap joint is on two arc shaped steel to it is fixed through fourth bolt 71. Specifically, the section steel connecting plates 7 are arranged on two sides of the web plate 13, and two sections which are positioned on two sides of the C-shaped channel steel 4 are arranged on the web plate 13 on each side.
The steel corrugated culvert pipe 100 is formed by sequentially fixing a plurality of arc-shaped corrugated plates 103 into a ring in an annular lap joint mode, and then fixedly connecting two sections of steel corrugated culvert pipes 100 with the reinforced section steel 1 in an axial lap joint mode, wherein the steel corrugated culvert pipes comprise annular flanges 101 arranged at the end portions of the steel corrugated culvert pipes 100, and the annular flanges 101 are fixedly connected with the web 12 through third bolts 102.
The first bolt 21, the second bolt 31 and the third bolt 102 are arranged in a staggered mode, so that interference is avoided when the bolts are installed, and meanwhile weak points of stress are dispersed.
The telescopic connection structure integrally adopts an assembling form, can be assembled on site through mounting bolts, and is convenient to maintain.
After the expansion joints are arranged, the culvert can be limited to generate regular cracks with fixed positions, and the expansion joints can be treated in advance; if the uneven settlement exists, the expansion joint is limited, which is beneficial to the safety, stability and seepage prevention of the culvert (preventing the water flow in the pipe from permeating into the culvert foundation or roadbed to cause soil soaking and softening).
Claims (10)
1. The utility model provides a steel corrugated culvert is with flexible connection structure that multidirectional shifted, set up in the linking position of left and right two sections steel corrugated culvert pipe (100), including respectively with a left side in the structure, right side steel corrugated culvert pipe (100) link firmly and the cross-section is cyclic annular reinforced section steel (1) of I shape, the outside and the inboard that last aerofoil (11) and lower aerofoil (13) of reinforced section steel (1) are located steel corrugated culvert pipe (100) respectively, at left and right both sides last aerofoil (11) of reinforced section steel (1), set up respectively between lower aerofoil (13) outer shroud plate (2) and interior web (3), its characterized in that: the outer covering plate is characterized in that a reinforcing rib plate (8) is further arranged above the outer covering plate (2), the reinforcing rib plate (8) and the outer covering plate (2) are respectively provided with a long circular hole (81), a first bolt (21) sequentially penetrates through the reinforcing rib plate (8) and the long circular hole (81) of the outer covering plate (2) to be fixedly connected with the upper wing plate (11), an inner web is also provided with a long circular hole (81), and a second bolt (31) penetrates through the long circular hole (81) of the inner web (3) to be fixedly connected with the lower wing plate (13).
2. The multi-directional shifting telescopic connection structure for the steel corrugated culvert pipe as claimed in claim 1, wherein: web (12) of left and right both sides enhancement shaped steel (1) on respectively be fixed with round C type channel-section steel (4), the opening of C type channel-section steel (4) sets up inwards, and the opening part contracts in, is equipped with elastomer (5) between two C type channel-section steels (4), the both ends embedding of elastomer (5) is in the C type channel-section steel (4) that corresponds.
3. The multi-directional shifting telescopic connection structure for the steel corrugated culvert pipe as claimed in claim 2, wherein: the axial section of the elastic body (5) is in a wave shape, and the elastic body is made of rubber, plastic or metal.
4. The multi-directional shifting telescopic connection structure for the steel corrugated culvert pipe as claimed in claim 1, wherein: the left and right side reinforcing section steel (1) between still be provided with and warp coordination device (9), warp coordination device (9) including a pair of mount pad (14) that link firmly with web (12) of left and right side reinforcing section steel (1), ball pivot connection U type spare on mount pad (14), with the articulated parallelogram hinge structure that comprises pivot (16) that a set of cross brace (15) and set up in each crossing position of cross brace (15) of U type spare.
5. The multi-directional shifting telescopic connection structure for the steel corrugated culvert pipe as claimed in claim 1, wherein: the inner shroud plate and the outer shroud plate are both provided with corrugations, wherein the corrugations on the inner web plate (3) are outer convex patterns, and the corrugations on the outer shroud plate (2) are inner concave patterns.
6. The multi-directional shifting telescopic connection structure for the steel corrugated culvert pipe as claimed in claim 1, wherein: the screw rods of the first bolt (21) and the second bolt (31) are respectively provided with a circular sliding ring (6) capable of sliding in the oblong holes, and gaskets (61) are respectively arranged between the bolt cap of the first bolt (21) and the reinforcing rib plate (8), between the bolt cap of the first bolt (21) and the upper wing plate (11), between the bolt cap of the second bolt (31) and the inner web plate (3) and between the bolt cap of the second bolt (31) and the lower wing plate (13).
7. The multi-directional shifting telescopic connection structure for the steel corrugated culvert pipe as claimed in claim 1, wherein: the width of the outer covering plate (2) and the width of the inner web plate (3) are both larger than the distance between the two sections of steel corrugated culvert pipes (100).
8. The multi-directional shifting telescopic connection structure for the steel corrugated culvert pipe as claimed in claim 2, wherein: the flexible connection structure include that the cyclic annular of a plurality of parallel oppositions strengthen shaped steel (1), cyclic annular is strengthened shaped steel (1) quantity more than or equal to three rings, cyclic annular is strengthened shaped steel (1) and is formed by a set of arc shaped steel head and the tail fixed connection, adjacent arc shaped steel passes through shaped steel connecting plate (7) and connects fixedly, shaped steel connecting plate (7) overlap joint is on two arc shaped steel to it is fixed through fourth bolt (71).
9. The multi-directional shifting telescopic connection structure for the steel corrugated culvert pipe as claimed in claim 8, wherein: the section steel connecting plates (7) are arranged on two sides of the web plate (12), and two blocks positioned on two sides of the C-shaped channel steel (4) are arranged on the web plate (12) on each side.
10. The multi-directional shifting telescopic connection structure for the steel corrugated culvert pipe as claimed in claim 1, wherein: the fixed connection structure of the corrugated steel culvert pipe (100) and the reinforced section steel (1) comprises a circumferential flange (101) arranged at the end part of the corrugated steel culvert pipe (100), and the circumferential flange (101) is fixedly connected with a web plate (12) by means of a third bolt (102).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921315454.2U CN210507186U (en) | 2019-08-14 | 2019-08-14 | Steel corrugated culvert is with flexible connection structure of multidirectional dislocation |
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| CN201921315454.2U CN210507186U (en) | 2019-08-14 | 2019-08-14 | Steel corrugated culvert is with flexible connection structure of multidirectional dislocation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227236A (en) * | 2020-10-22 | 2021-01-15 | 杨华生 | Culvert pipe structure strengthening processing method |
| CN114481879A (en) * | 2022-01-25 | 2022-05-13 | 同济大学 | Telescopic position-changing self-adaptive wind barrier structure |
| CN114481880A (en) * | 2022-01-25 | 2022-05-13 | 同济大学 | Displacement self-adaptive windbreak structure connected with bridge tower |
| CN115262773A (en) * | 2022-09-21 | 2022-11-01 | 河北鑫丞璐科技发展有限公司 | Totally-enclosed elastic connecting device for corrugated steel structure |
-
2019
- 2019-08-14 CN CN201921315454.2U patent/CN210507186U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227236A (en) * | 2020-10-22 | 2021-01-15 | 杨华生 | Culvert pipe structure strengthening processing method |
| CN114481879A (en) * | 2022-01-25 | 2022-05-13 | 同济大学 | Telescopic position-changing self-adaptive wind barrier structure |
| CN114481880A (en) * | 2022-01-25 | 2022-05-13 | 同济大学 | Displacement self-adaptive windbreak structure connected with bridge tower |
| CN115262773A (en) * | 2022-09-21 | 2022-11-01 | 河北鑫丞璐科技发展有限公司 | Totally-enclosed elastic connecting device for corrugated steel structure |
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