CN115323946A - Corrugated steel box culvert mouth structure - Google Patents
Corrugated steel box culvert mouth structure Download PDFInfo
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- CN115323946A CN115323946A CN202211078023.5A CN202211078023A CN115323946A CN 115323946 A CN115323946 A CN 115323946A CN 202211078023 A CN202211078023 A CN 202211078023A CN 115323946 A CN115323946 A CN 115323946A
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- box culvert
- corrugated steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 239
- 239000010959 steel Substances 0.000 title claims abstract description 239
- 230000002787 reinforcement Effects 0.000 claims abstract description 72
- 239000002689 soil Substances 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 238000004873 anchoring Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000005728 strengthening Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/18—Making embankments, e.g. dikes, dams
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Bridges Or Land Bridges (AREA)
- Sewage (AREA)
Abstract
The invention provides a corrugated steel box culvert opening structure, which belongs to the technical field of box culvert construction and comprises a corrugated steel box culvert main body, wherein a concrete end wall and a backfilling area are sequentially arranged outside the corrugated steel box culvert main body along the length direction of an opening of the corrugated steel box culvert main body, a plurality of reinforcing ribs are embedded in the backfilling area, a plurality of shear connectors for connecting the concrete end wall are arranged on the corrugated steel box culvert main body along the cross section of the corrugated steel box culvert main body, a plurality of anchoring mechanisms distributed in an array are arranged at the bottom end of the corrugated steel box culvert main body and used for connecting a soil body below the corrugated steel box culvert main body, and the concrete end wall specifically comprises: first steel reinforcement cage, second steel reinforcement cage, concrete placement are regional and a plurality of connecting reinforcement, and first steel reinforcement cage cover is outside and rather than having the interval at corrugated steel box culvert main part, and second steel reinforcement cage cover is outside at first steel reinforcement cage. The invention overcomes the problems of large occupied area, unattractive structure and the like of the traditional corrugated steel bridge and culvert port treatment, and forms reliable connection with a concrete structure.
Description
Technical Field
The invention relates to the technical field of box culvert construction, in particular to a corrugated steel box culvert opening structure.
Background
The corrugated steel box culvert not only has the advantage of traditional corrugated steel bridges and culverts, compares with the corrugated steel bridges and culverts of other cross-sectional forms moreover, and it still has characteristics such as clear span is bigger, building height is lower and fill out soil height is littleer, is applicable to the place that city or other building height received the restriction more. However, when the corrugated steel box culvert is applied to urban passageways, bridges and the like, the end of the corrugated steel box culvert needs to be treated necessarily, and in the traditional masonry hole, structures such as a concrete splayed wall, a straight wall and the like are often adopted, although the structures can be used as the corrugated steel box culvert, the structures usually occupy a large space and are not beautiful, so that the corrugated steel box culvert is not suitable for cities.
When the corrugated steel box culvert adopts the traditional concrete end wall, reliable connection cannot be generated between the steel reinforcement cage inside the end wall and the corrugated steel plate. Because the concrete end wall and the corrugated steel plate are connected weakly, the corrugated steel plate has the problems of cracks, falling off and the like with the concrete end wall under the load action in a long-term service period, and further causes the safety problem. Accordingly, one skilled in the art has provided a corrugated steel box culvert structure to solve the problems set forth in the background art.
Disclosure of Invention
The invention aims to provide a corrugated steel box culvert opening structure, which solves the problems of large floor area, unattractive structure and the like of the traditional corrugated steel bridge culvert opening processing, and forms reliable connection with a concrete structure so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a corrugated steel box culvert mouth structure, includes corrugated steel box culvert main part, corrugated steel box culvert main part outside is equipped with the concrete headwall and backfills the region along its entrance to a cave length direction in proper order, and backfills regional inside and bury and have a plurality of strengthening rib, corrugated steel box culvert main part is equipped with a plurality of shear force connecting piece along its cross-section and is used for connecting the concrete headwall, and the bottom of corrugated steel box culvert main part is equipped with a plurality of anchoring mechanism that are array distribution and is used for connecting the soil body of below.
As a further scheme of the invention: the concrete headwall specifically includes: first steel reinforcement cage, second steel reinforcement cage, concrete placement region and a plurality of connecting reinforcement, first steel reinforcement cage cover is outside and exist the interval rather than corrugated steel box culvert main part, second steel reinforcement cage cover is outside at first steel reinforcement cage, and stretch into in the second steel reinforcement cage certain distance and link together rather than with the reinforcing bar of first steel reinforcement cage contact in the second steel reinforcement cage this one side of orientation backfill region, and form the concrete placement region between second steel reinforcement cage and first steel reinforcement cage and the corrugated steel box culvert main part, shear connector one end is connected with first steel reinforcement cage, and the shear connector other end is connected with corrugated steel box culvert main part.
As a further scheme of the invention: and one end of the connecting reinforcing steel bars, which faces the backfill region, extends into the backfill region and is fixedly connected with the reinforcing steel bars in a one-to-one correspondence manner.
As a further scheme of the invention: the connecting reinforcing steel bars and the reinforcing ribs are perpendicular to the concrete end wall.
As a further scheme of the invention: one end of the shear connecting piece extends into the first reinforcement cage for a certain distance and is connected together through welding and binding.
As a further scheme of the invention: reserved holes are formed in the positions, corresponding to the shear connectors, of wave crests or wave troughs of the corrugated steel plates of the corrugated steel box culvert main body, and one ends of the shear connectors penetrate through the reserved holes and are connected with the corrugated steel plates of the corrugated steel box culvert main body through bolts.
As a further scheme of the invention: the anchoring mechanism specifically comprises: the corrugated steel box culvert is characterized in that an outer steel pipe vertically penetrates through the bottom end of a corrugated steel box culvert body, an inner steel pipe capable of moving up and down is arranged inside the outer steel pipe, a plurality of inserting-drill parts are arranged between the inner steel pipe and the outer steel pipe and used for inserting soil around the outer steel pipe, and the bottom end of the inner steel pipe is fixedly connected with a limiting lifting seat matched with the inner diameter of the outer steel pipe.
As a further scheme of the invention: the plug-in pin spare specifically includes: the drill rod is arranged in a through hole formed in the outer side surface of the outer steel pipe in a penetrating mode, a pointed end is fixedly connected to one end, far away from the inner steel pipe, of the drill rod, an inclined plane head is fixedly connected to the other end of the drill rod, and the inclined plane head is inserted into an inclined plane groove formed in the outer side surface of the inner steel pipe in a corresponding mode.
As a further scheme of the invention: the bottom of the corrugated steel box culvert main body is provided with a reserved slotted hole corresponding to the outer steel pipe, and the outer steel pipe penetrates through the reserved slotted hole and is connected with the bottom of the corrugated steel box culvert main body through a bolt.
Compared with the prior art, the invention has the beneficial effects that:
1) Adopt the entrance to a cave structure in this application, can solve traditional masonry entrance to a cave because the dead weight is too big, lead to entrance to a cave department to produce great settlement deformation, and then lead to the problem that corrugated steel case culvert entrance to a cave position department warp, occupation space is little, can solve traditional big scheduling problem of concrete headwall occupation space.
2) Adopt the entrance to a cave structure in this application, because first steel reinforcement cage plays transitional coupling's effect, can contain reliable connection together with second steel reinforcement cage and ripple steel box.
3) Adopt the entrance to a cave structure in this application, the existence of first steel reinforcement cage is strengthened the entrance to a cave and is connected with concrete on every side, has solved corrugated steel box culvert and has produced the deformation problem that breaks away from the headwall under the load effect for can not produce the crack between concrete headwall and the corrugated steel board, the scheduling problem drops.
4) Adopt the entrance to a cave structure in this application, through taking the strengthening rib near the port, can improve the bearing capacity of near port corrugated steel box culvert, can also guarantee the stability of concrete headwall simultaneously.
5) Adopt the anchoring mechanism in this application, can strengthen being connected of corrugated steel box culvert main part rather than the below soil body, further improved the stability of corrugated steel box culvert main part.
Drawings
FIG. 1 is a schematic structural view of a culvert structure of a corrugated steel box;
FIG. 2 is a schematic structural view of a concrete end wall in a culvert opening structure of a corrugated steel box;
FIG. 3 is a combined view of a connecting steel bar and a reinforcing rib in a culvert opening structure of a corrugated steel box;
fig. 4 is a combination view of a corrugated steel box culvert body, a shear connector and a first steel reinforcement cage in a corrugated steel box culvert opening structure;
fig. 5 is an enlarged view of a structure A of a corrugated steel box culvert in fig. 4.
In the figure: 1. a corrugated steel box culvert body; 2. a shear connector; 3. a concrete headwall; 301. a first reinforcement cage; 302. a second reinforcement cage; 303. a concrete pouring area; 304. connecting reinforcing steel bars; 4. reinforcing ribs; 5. backfilling the area; 6. an anchoring mechanism; 601. an outer steel pipe; 602. an inner steel tube; 603. a limiting lifting seat; 604. inserting a drill rod; 605. a through hole; 606. a bevel head; 607. an inclined plane groove; 608. a pointed tip.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 5, in an embodiment of the present invention, a corrugated steel box culvert opening structure includes a corrugated steel box culvert main body 1, a concrete end wall 3 and a backfill region 5 are sequentially disposed outside the corrugated steel box culvert main body 1 along a length direction of an opening of the corrugated steel box culvert, a plurality of reinforcing ribs 4 are embedded inside the backfill region 5, a plurality of shear connectors 2 are disposed along a cross section of the corrugated steel box culvert main body 1 for connecting the concrete end wall 3, and a plurality of anchoring mechanisms 6 distributed in an array are disposed at a bottom end of the corrugated steel box culvert main body 1 for connecting a soil body below the corrugated steel box culvert main body. The application overcomes the problems of large occupied area, unattractive structure and the like in the traditional corrugated steel bridge and culvert port treatment, and forms reliable connection with a concrete structure.
In this embodiment: concrete headwall 3 specifically includes: first steel reinforcement cage 301, second steel reinforcement cage 302, regional 303 of concrete placement and a plurality of connecting reinforcement 304, first steel reinforcement cage 301 cover is outside and rather than having the interval at corrugated steel box culvert main part 1, second steel reinforcement cage 302 cover is outside at first steel reinforcement cage 301, and stretch into certain distance and link together rather than in the second steel reinforcement cage 302 with the reinforcing bar of first steel reinforcement cage 301 contact in the second steel reinforcement cage 302, a plurality of connecting reinforcement 304 is fixed on second steel reinforcement cage 302 and towards this one side in backfill region 5, and form the regional 303 of concrete placement between second steel reinforcement cage 302 and first steel reinforcement cage 301 and the corrugated steel box culvert main part 1, 2 one end of shear connector is connected with first steel reinforcement cage 301, and the 2 other ends of shear connector are connected with corrugated steel box culvert main part 1. First steel reinforcement cage 301 passes through shear connector 2 and corrugated steel box culvert main part 1 and connects, and then with the reliable connection of the corrugated steel plate of second steel reinforcement cage 302 and corrugated steel box culvert main part 1, has solved and has not had reliable connection (transition connection's effect) between traditional headwall and the corrugated steel plate structure. Under the effect of load, corrugated steel plate can produce the deformation trend that breaks away from the headwall, because the existence of first steel reinforcement cage 301, makes corrugated steel plate and concrete around have reliable connection, and then can not produce crack, drop scheduling problem between 3 with the concrete headwall.
In this embodiment: the cross section of the first steel reinforcement cage 301 is rectangular, and the curve shape of the first steel reinforcement cage is consistent with the cross section of the corrugated steel box culvert body 1.
In this embodiment: the second reinforcement cage 302 is shaped to fit the concrete end wall 3.
In this embodiment: the first reinforcement cage 301 and the second reinforcement cage 302 are connected by means of binding, welding, and the like. This arrangement effectively connects the first reinforcement cage 301 to the second reinforcement cage 302.
In this embodiment: one end of the connecting steel bars 304 facing the backfill region 5 extends into the backfill region 5 and is fixedly connected with the reinforcing ribs 4 in a one-to-one correspondence manner. The existence of strengthening rib 4 can strengthen the soil body behind the concrete headwall 3, improves the bearing capacity of corrugated steel box culvert main part 1 around the entrance to a cave, makes simultaneously concrete headwall 3 and the soil body behind one's back have reliable being connected, can not take place the deformation that concrete headwall 3 breaks away from the soil body, has improved the stability of concrete headwall 3.
In this embodiment: the connecting reinforcing steel bar 304 and the reinforcing rib 4 are fixed by welding.
In this embodiment: the connecting steel bars 304 and the reinforcing ribs 4 are perpendicular to the concrete end wall 3. Adopt strengthening rib 4 can improve the bearing capacity of near port corrugated steel box culvert main part 1, can also guarantee the stability of concrete headwall 3 simultaneously.
In this embodiment: one end of the shear connector 2 extends into the first reinforcement cage 301 for a certain distance and is connected together by welding and binding. The shear connector 2 effectively connects the first reinforcement cage 301 with the corrugated steel box culvert body 1.
In this embodiment: the corrugated steel plate crest or trough position of the corrugated steel box culvert body 1 is provided with a reserved hole corresponding to the shear connector 2, and one end of the shear connector 2 penetrates through the reserved hole and is connected with the corrugated steel plate of the corrugated steel box culvert body 1 through a bolt.
In this embodiment: the anchoring mechanism 6, in particular, comprises: the outer steel pipe 601 vertically penetrates through the bottom end of the corrugated steel box culvert body 1, the inner steel pipe 602 capable of moving up and down is arranged inside the outer steel pipe 601, a plurality of inserting and drilling pieces are arranged between the inner steel pipe 602 and the outer steel pipe 601 and used for inserting soil around the outer steel pipe 601, and the bottom end of the inner steel pipe 602 is fixedly connected with a limiting lifting seat 603 matched with the inner diameter of the outer steel pipe 601. The corrugated steel box culvert main body 1 can be strengthened being connected with the soil body below the corrugated steel box culvert main body 1 by the arrangement of the anchoring mechanism 6, and the stability of the corrugated steel box culvert main body 1 is further improved. The position of the inner steel pipe 602 in the outer steel pipe 601 can be limited by the limiting lifting seat 603, so that the inner steel pipe is prevented from shaking left and right and is limited from moving up and down.
In this embodiment: insert the borer spare, specifically include: the drill rod 604 is inserted, the drill rod 604 penetrates through a through hole 605 formed in the outer side surface of the outer steel pipe 601, a pointed end 608 is fixedly connected to one end of the drill rod 604 far away from the inner steel pipe 602, an inclined head 606 is fixedly connected to the other end of the drill rod 604, and the inclined head 606 is inserted into an inclined groove 607 correspondingly formed in the outer side surface of the inner steel pipe 602. After the outer steel pipe 601 and the inner steel pipe 602 are placed in, a worker smashes the inner steel pipe 602 downwards by using an iron hammer, so that the inner steel pipe 602 moves downwards in the outer steel pipe 601, in the process of moving downwards, the drill rod 604 is pushed outwards by the inclined surface between the inclined surface groove 607 and the inclined surface head 606, the tip 608 originally located in the through hole 605 extends out of the through hole 605 and penetrates into the surrounding soil body, and the connection between the anchoring mechanism 6 and the surrounding soil body is further enhanced.
In this embodiment: the bottom of the corrugated steel box culvert main body 1 is provided with a reserved slotted hole corresponding to the outer steel pipe 601, and the outer steel pipe 601 passes through the reserved slotted hole and is connected with the bottom of the corrugated steel box culvert main body 1 through a bolt. This arrangement facilitates subsequent implantation of the anchoring mechanism 6, and before implantation, the worker drills a hole downward from the reserved slot for placing the outer steel pipe 601.
The working principle of the invention is as follows: when the corrugated steel box culvert is used, after the corrugated steel box culvert main body 1 is placed, the connection between the bottom end of the corrugated steel box culvert main body 1 and a soil body below the corrugated steel box culvert main body 1 is firstly strengthened through the anchoring mechanism 6, then the corrugated steel box culvert main body 1 is connected with the first steel reinforcement cage 301 of the concrete end wall 3 through the shear connector 2, then after the arrangement of the two steel reinforcement cages is completed, the connecting steel reinforcement 304 is arranged on one side, facing the backfill area 5, of the second steel reinforcement cage 302, the connecting steel reinforcement cage can conveniently build a formwork, further concrete is poured in the concrete pouring area 303, after the pouring is completed, the connecting steel reinforcement 304 extends out of the concrete end wall 3 for a certain distance, the connection between the concrete end wall 3 and the reinforcing ribs 4 is connected through the connecting steel reinforcement 304, after the construction of the backfill area 5 and the reinforcing ribs 4 is completed, the backfill area 5 is constructed in a layered mode, the backfill area 5 and the backfill area are constructed alternately until the backfill area 5 and the reinforcing ribs are constructed alternately, and the backfill area 5 is constructed.
It should be noted that the specific working process of the anchoring mechanism 6 is as follows: firstly, a worker drills a pit hole downwards from a reserved slotted hole for placing the outer steel pipe 601, then the outer steel pipe 601 and the inner steel pipe 602 therein are placed, the outer steel pipe 601 is connected with the bottom end of the corrugated steel box culvert main body 1 through bolts, an iron hammer is used for hammering the inner steel pipe 602 downwards, so that the inner steel pipe 602 moves downwards in the outer steel pipe 601, in the moving downwards process, the drill rod 604 is pushed outwards under the action of the inclined plane between the inclined plane groove 607 and the inclined plane head 606, the tip 608 originally located in the through hole 605 extends out of the through hole 605 to be pricked into the surrounding soil body, the connection between the anchoring mechanism 6 and the surrounding soil body is further strengthened, finally, concrete is poured into the outer steel pipe 601 and the inner steel pipe 602, and the stability is further improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (9)
1. The utility model provides a corrugated steel box culvert mouth of a cave structure, a serial communication port, including corrugated steel box culvert main part, corrugated steel box culvert main part outside is equipped with concrete headwall and backfill region along its entrance to a cave length direction in proper order, and backfills regional inside and has embedded a plurality of strengthening rib, corrugated steel box culvert main part is equipped with a plurality of shear connector along its cross-section and is used for connecting the concrete headwall, and the bottom of corrugated steel box culvert main part is equipped with a plurality of anchoring mechanisms that are array distribution and is used for connecting the soil body of below.
2. The corrugated steel box culvert opening structure of claim 1, wherein the concrete end wall specifically comprises: first steel reinforcement cage, second steel reinforcement cage, concrete placement region and a plurality of connecting reinforcement, first steel reinforcement cage cover is outside and exist the interval rather than corrugated steel box culvert main part, second steel reinforcement cage cover is outside at first steel reinforcement cage, and stretch into in the second steel reinforcement cage certain distance and link together rather than with the reinforcing bar of first steel reinforcement cage contact in the second steel reinforcement cage this one side of orientation backfill region, and form the concrete placement region between second steel reinforcement cage and first steel reinforcement cage and the corrugated steel box culvert main part, shear connector one end is connected with first steel reinforcement cage, and the shear connector other end is connected with corrugated steel box culvert main part.
3. The corrugated steel box culvert opening structure of claim 2, wherein one end of the connecting steel bars facing the backfill region extends into the backfill region and is fixedly connected with the reinforcing bars in a one-to-one correspondence manner.
4. The corrugated steel box culvert opening structure of claim 2, wherein the connecting steel bars and the reinforcing ribs are perpendicular to the concrete end wall.
5. The corrugated steel box culvert opening structure of claim 2, wherein one end of the shear connector extends into the first reinforcement cage for a certain distance and is connected together by welding and binding.
6. The corrugated steel box culvert opening structure of claim 1, wherein the corrugated steel box culvert body is provided with reserved holes at positions corresponding to the shear connectors at wave crests or wave troughs of the corrugated steel plate, and one end of each shear connector penetrates through the reserved holes and is connected with the corrugated steel plate of the corrugated steel box culvert body through bolts.
7. The corrugated steel box culvert opening structure of claim 1, wherein the anchoring mechanism specifically comprises: the corrugated steel box culvert is characterized in that an outer steel pipe vertically penetrates through the bottom end of the corrugated steel box culvert main body, an inner steel pipe capable of moving up and down is arranged inside the outer steel pipe, a plurality of inserting-rod pieces are arranged between the inner steel pipe and the outer steel pipe and used for inserting soil around the outer steel pipe, and the bottom end of the inner steel pipe is fixedly connected with a limiting lifting seat matched with the inner diameter of the outer steel pipe.
8. The corrugated steel box culvert opening structure of claim 7, wherein the insert rod member specifically comprises: the drill rod is arranged in a through hole formed in the outer side surface of the outer steel pipe in a penetrating mode, a pointed end is fixedly connected to one end, far away from the inner steel pipe, of the drill rod, an inclined plane head is fixedly connected to the other end of the drill rod, and the inclined plane head is connected to the inner side surface of the inner steel pipe in a inserting mode and is inserted into an inclined plane groove correspondingly formed in the outer side surface of the inner steel pipe.
9. The corrugated steel box culvert opening structure of claim 7, wherein a reserved slotted hole is formed in the bottom end of the corrugated steel box culvert main body corresponding to the outer steel pipe, and the outer steel pipe penetrates through the reserved slotted hole and is connected with the bottom end of the corrugated steel box culvert main body through a bolt.
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| CN202211078023.5A CN115323946B (en) | 2022-09-05 | 2022-09-05 | Corrugated steel box culvert mouth structure |
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| CN202211078023.5A CN115323946B (en) | 2022-09-05 | 2022-09-05 | Corrugated steel box culvert mouth structure |
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| CN115323946B CN115323946B (en) | 2023-10-24 |
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| CN112900294A (en) * | 2021-01-22 | 2021-06-04 | 上海城建水务工程有限公司 | Lining structure for box culvert repair and construction method thereof |
| CN215405891U (en) * | 2021-08-12 | 2022-01-04 | 黄芳 | Slope protection device for civil engineering |
| CN216950384U (en) * | 2022-04-13 | 2022-07-12 | 唐小双 | Supporting construction for improving loess tunnel arch springing bearing performance |
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| CN115323946B (en) | 2023-10-24 |
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