CN215593731U - Corrugated plate assembling structure based on prestressed flange - Google Patents
Corrugated plate assembling structure based on prestressed flange Download PDFInfo
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- CN215593731U CN215593731U CN202022591685.5U CN202022591685U CN215593731U CN 215593731 U CN215593731 U CN 215593731U CN 202022591685 U CN202022591685 U CN 202022591685U CN 215593731 U CN215593731 U CN 215593731U
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Abstract
The utility model discloses a corrugated plate assembling structure based on a prestressed flange.A flange plate edge is welded on the inner side surface of a corrugated plate, and a distance exists between the transverse welding position and the corrugated plate edge; the inner side of the upper end flange plate is welded with a triangular support a, and the outer side of the lower end flange plate is welded with a triangular support b; when the two corrugated plates are connected, the corrugated plates at the edges are mutually overlapped to form lap joint; after the two corrugated plates are lapped, a distance exists between the two flange plates at the connecting node, and the two flange plates are connected through a prestressed bolt; the inside sealing strip that is equipped with of buckled plate overlap department, two buckled plate mutual extrusions make the sealing strip compress tightly, play waterproof effect. The utility model makes up the defects of easy opening and deformation of flange splicing and inconvenient lap joint construction in the corrugated plate splicing structure, improves the bending rigidity and the connection sealing property at the connecting node of the corrugated plates, and ensures that the corrugated plate splicing structure has better applicability in various engineering fields.
Description
Technical Field
The utility model relates to the field of corrugated plate assembly construction of underground engineering, in particular to a corrugated plate assembling structure based on a prestressed flange.
Background
As a novel building material, the corrugated plate has unique advantages in the aspects of bearing capacity, deformation adaptability, maintainability, durability and the like, so that the corrugated plate assembled structure is widely applied to the fields of tunnel construction, road and bridge reinforcement, highway culvert support and other numerous engineering. The existing corrugated plate splicing technology mainly comprises flange splicing (CN 210797914U) and lapping (CN110453793A), and has certain defects. The flange splicing is regarded as hinging, the construction is rapid and convenient, and the single-side construction can be realized, but when the load is large, the two flange plates connected by the high-strength bolt are likely to be opened and deformed, the bending rigidity of the connecting joint is insufficient, and the connection sealing performance is poor. The overlap joint is regarded as the steel and is connect, and resistance to compression bending performance is superior to the flange concatenation, but because the junctional node uses the high strength bolt to connect, so need exert the bolt pretightning force for the high strength bolt in the buckled plate outside, the buckled plate outside need possess open operating space when the construction promptly, and in engineering such as old bridge culvert reinforcement, tunnel support construction, the space between buckled plate outside and the superstructure is very narrow, can't satisfy the required space condition of construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a corrugated plate assembling structure based on a prestressed flange, and aims to solve the problems in the background technology.
A corrugated plate assembly structure based on a prestressed flange comprises a corrugated plate, a flange plate, prestressed bolts, a triangular support a, a triangular support b, a water stop strip and a single-side bolt;
the corrugated plate is a corrugated steel plate made of a plane steel plate through cold rolling;
the inner edge of the flange is corrugated and welded on the inner side surface of the corrugated plate, and the outer edge of the flange is flat and linear;
the flange plates at two ends of the corrugated plate are respectively defined as an upper end flange plate and a lower end flange plate;
the welding positions of the upper end flange plate and the lower end flange plate are two ends of the corrugated plate respectively, and distances are reserved between the upper end flange plate and the lower end flange plate and the transverse edges of the corrugated plate;
the triangular support a is welded on the inner side of the upper end flange plate, and the triangular support b is welded on the outer side of the lower end flange plate, so that support is provided between the flange plate and the corrugated plate, and the flange plate is prevented from being opened and deformed; in addition, when two adjacent corrugated plates are spliced, the triangular support positioned between the two flange plates can prevent the flange plates from deforming under the action of the prestress of the bolts, so that the bending rigidity of the connecting nodes is improved;
three bolt holes are reserved in each section of corrugation of each flange plate and are arranged in a delta shape;
the two flange plates at the connecting node are connected through the prestressed bolt, and the distance between the two flange plates is favorable for forming bolt prestress, so that the bending rigidity of the connecting node of the corrugated plate is improved;
when two adjacent corrugated plates are assembled, the corrugated plates between the connecting nodes are mutually overlapped to form lap joint;
a water stop strip is arranged between the overlapped parts of the corrugated plates, and the two corrugated plates are mutually extruded to tightly press the water stop strip, so that a waterproof effect is achieved;
can decide whether to reserve the bolt hole in the trough position of buckled plate overlap according to specific construction environment to adopt unilateral bolt to strengthen the connection leakproofness between two buckled plates.
A structure is assembled to buckled plate based on prestressing force flange, its preferred scheme is: the thickness of the corrugated plate is 3-10 mm.
A structure is assembled to buckled plate based on prestressing force flange, its preferred scheme is: the water stopping strip adopts a bentonite water stopping strip, and the water stopping strip expands when meeting water and has a good water stopping effect; if the single-side bolt is adopted to compress the overlapped corrugated plates to enhance the extrusion force, the connection is tighter, and the water stopping effect is better.
A structure is assembled to buckled plate based on prestressing force flange, its preferred scheme is: the ends of the three prestressed bolts arranged in each wave band can be welded on a smaller independent steel plate so as to prevent the prestressed bolts from falling off from the reserved bolt holes on the flange plate.
A structure is assembled to buckled plate based on prestressing force flange, its preferred scheme is: under the construction condition that the outer side of the corrugated plate has enough operation space, the single-side bolt can be replaced by a common high-strength bolt; under the construction condition that the tunnel excavation surface is the country rock, can pass the buckled plate at buckled plate overlap department and squeeze into the stock and stretch into the country rock, realize that the buckled plate assembles fixed once more of structure.
A construction method of a corrugated plate assembly structure based on a prestressed flange comprises the following steps:
the method comprises the following steps: assembling and molding two corrugated plates, wherein the two corrugated plates are overlapped at a connecting node, and two flange plates at the connecting node are aligned therewith;
step two: a screw rod of a prestressed bolt penetrates through bolt holes reserved on two flange plates, and a nut is screwed to apply prestress;
step three: installing a single-side bolt in a bolt hole reserved in a wave trough position at the overlapping position of the corrugated plates, so that the corrugated plates are mutually extruded, and a water stop strip is tightly pressed;
step four: if in the work progress, meet emergency such as additional load, geological disasters and lead to corrugated plate structure to take place local destruction, can in time dismantle and change the buckled plate section of jurisdiction, maintain the tunnel of this section and strut safety.
Compared with the prior art, the utility model has the beneficial effects that:
1) the disadvantage of flange splicing is avoided. In the utility model, bolt prestress is acted between two flange plates at the connecting node, the corrugated plates are mutually overlapped at the connecting node, and the flange plates are supported by the triangular supports, so that the structure avoids the defect that the two flange plates at the connecting node are easy to be opened and deformed in a flange splicing method;
2) the disadvantage of overlap joint is avoided. The inner sides of the corrugated plates can be connected with two adjacent corrugated plates through two embedded flange plates, so that the defect that splicing construction needs to be completed on the outer sides of the corrugated plates in the lapping method is overcome;
3) the stress performance of the corrugated plate is improved. The distance between the two flange plates is favorable for forming bolt prestress, the existence of the prestress greatly delays the appearance of gaps at the splicing positions of the corrugated plates and the width of the gap, and the bending rigidity of the connecting nodes is improved, so that the bending resistance of the splicing structure of the corrugated plates is improved;
4) and the construction difficulty is reduced. The utility model can be constructed on one side, is simple and convenient to install and disassemble, can realize modular processing of components, effectively improves the construction efficiency, reduces the construction cost and greatly reduces the construction difficulty.
Drawings
FIG. 1 is a schematic view of a corrugated plate and a pre-stressed flange;
FIG. 2 is a schematic view of a bolt prestressed connection without using a single-sided bolt to compress a corrugated plate;
FIG. 3 is a schematic view of a bolt prestressed connection using a single-sided bolt to compress a corrugated plate;
FIG. 4 is a schematic view of a check line.
In the figure: 1. corrugated plate, 2, flange plate, 3, prestressed bolt, 4, triangular supports a, 5, triangular supports b, 6, water stop bar, 7, unilateral bolt, 8, upper end flange plate, 9, lower extreme flange plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The corrugated plate assembly structure based on the prestressed flange shown in fig. 1-4 comprises a corrugated plate 1, a flange plate 2, prestressed bolts 3, a triangular support a4, a triangular support b5, a water stop bar 6 and a single-side bolt 7;
the corrugated plate 1 is a corrugated steel plate which is made by cold rolling a plane steel plate;
the inner edge of the flange plate 2 is corrugated and welded on the inner side surface of the corrugated plate 1, and the outer edge of the flange plate 2 is flat and linear;
the flange plates 2 at two ends of the corrugated plate 1 are respectively defined as an upper end flange plate 8 and a lower end flange plate 9;
the welding positions of the upper end flange 8 and the lower end flange 9 are two ends of the corrugated plate 1 respectively, and distances are reserved between the upper end flange and the transverse edge of the corrugated plate 1;
a triangular support a4 is welded on the inner side of the upper end flange 8, and a triangular support b5 is welded on the outer side of the lower end flange 9;
three bolt holes are reserved in each section of corrugation of each flange plate 2 and are arranged in a delta shape;
the two flange plates 2 at the connecting nodes are connected through the prestressed bolts 3, and the distance between the two flange plates 2 is favorable for forming bolt prestress, so that the bending rigidity of the connecting nodes of the corrugated plates 1 is improved;
when two adjacent corrugated plates 1 are assembled, the corrugated plates 1 between the connecting nodes are mutually overlapped to form lap joint;
a water stop strip 6 is arranged between the overlapped parts of the corrugated plates 1, and the two corrugated plates 1 are mutually extruded to tightly press the water stop strip 6, so that a waterproof effect is achieved;
can decide whether to reserve the bolt hole in the trough position of 1 overlapping of buckled plate according to specific construction environment to adopt unilateral bolt 7 to strengthen the connection leakproofness between two buckled plates 1.
The thickness of the corrugated plate 1 is 3-10 mm.
The water stop strip 6 is a bentonite water stop strip.
The ends of the three prestressed bolts 3 arranged in each wave band can be welded on a smaller independent steel plate to prevent the prestressed bolts 3 from falling off from the reserved bolt holes on the flange plate 2.
Under the construction condition that the outer side of the corrugated plate has enough operation space, the single-side bolt 7 can be replaced by a common high-strength bolt; under the construction condition that the tunnel excavation surface is the country rock, can pass 1 anchor bolts of beating into of buckled plate and stretch into the country rock at 1 overlapping of buckled plate, realize that the buckled plate assembles the structure fixed once more.
A construction method of a corrugated plate assembly structure based on a prestressed flange comprises the following steps:
the method comprises the following steps: assembling and molding two corrugated plates 1, wherein the two corrugated plates 1 are overlapped at a connecting node, and two flange plates 2 at the connecting node are aligned therewith;
step two: the screw rods of the prestressed bolts 3 penetrate through bolt holes reserved on the two flange plates 2, and nuts are screwed to apply prestress;
step three: a single-side bolt 7 is arranged in a bolt hole reserved in a wave trough position at the overlapping position of the corrugated plates 1, so that the corrugated plates 1 are mutually extruded, and a water stop strip 6 is tightly pressed;
step four: if in the work progress, the additional load that meets, proruption such as geological disasters lead to 1 structure of buckled plate to take place local destruction, can in time dismantle and change 1 section of jurisdiction of buckled plate, maintain the tunnel of this section and strut safety.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (5)
1. The utility model provides a structure is assembled to buckled plate based on prestressing force flange which characterized in that: the corrugated plate type water-stop pipe comprises a corrugated plate, a flange plate, a prestressed bolt, an A-frame, a B-frame, a water-stop strip and a single-side bolt;
the corrugated plate is a corrugated steel plate made of a plane steel plate through cold rolling;
the inner edge of the flange is corrugated and welded on the inner side surface of the corrugated plate, and the outer edge of the flange is flat and linear;
the flange plates at two ends of the corrugated plate are respectively defined as an upper end flange plate and a lower end flange plate;
the welding positions of the upper end flange plate and the lower end flange plate are two ends of the corrugated plate respectively, and distances are reserved between the upper end flange plate and the lower end flange plate and the transverse edges of the corrugated plate;
the inner side of the upper end flange plate is welded with a triangular support a, and the outer side of the lower end flange plate is welded with a triangular support b;
three bolt holes are reserved in each section of corrugation of each flange plate and are arranged in a delta shape;
the two flange plates at the connecting node are connected through the prestressed bolt, and the distance between the two flange plates is favorable for forming bolt prestress, so that the bending rigidity of the connecting node of the corrugated plate is improved;
when two adjacent corrugated plates are assembled, the corrugated plates between the connecting nodes are mutually overlapped to form lap joint;
a water stop strip is arranged between the overlapping positions of the corrugated plates, and the two corrugated plates are mutually extruded to enable the water stop strip to be compressed, so that a waterproof effect is achieved.
2. The corrugated plate assembling structure based on the prestressed flange, according to claim 1, wherein: the thickness of the corrugated plate is 3-10 mm.
3. The corrugated plate assembling structure based on the prestressed flange, according to claim 1, wherein: the water stopping strip is made of bentonite.
4. The corrugated plate assembling structure based on the prestressed flange, according to claim 1, wherein: and welding the end heads of the three prestressed bolts arranged in each wave band on an independent steel plate.
5. The corrugated plate assembling structure based on the prestressed flange, according to claim 1, wherein: the single-side bolt can be replaced by a common high-strength bolt; under the construction condition that the tunnel excavation surface is the country rock, pass the buckled plate at buckled plate overlap department and squeeze into the stock and stretch into the country rock, realize that the buckled plate assembles fixed once more of structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022591685.5U CN215593731U (en) | 2020-11-11 | 2020-11-11 | Corrugated plate assembling structure based on prestressed flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022591685.5U CN215593731U (en) | 2020-11-11 | 2020-11-11 | Corrugated plate assembling structure based on prestressed flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215593731U true CN215593731U (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022591685.5U Active CN215593731U (en) | 2020-11-11 | 2020-11-11 | Corrugated plate assembling structure based on prestressed flange |
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| CN (1) | CN215593731U (en) |
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- 2020-11-11 CN CN202022591685.5U patent/CN215593731U/en active Active
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