CN220059577U - Tunnel frameless corrugated steel partition wall structure - Google Patents
Tunnel frameless corrugated steel partition wall structure Download PDFInfo
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- CN220059577U CN220059577U CN202321173316.1U CN202321173316U CN220059577U CN 220059577 U CN220059577 U CN 220059577U CN 202321173316 U CN202321173316 U CN 202321173316U CN 220059577 U CN220059577 U CN 220059577U
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to a frameless corrugated steel partition wall structure of a tunnel, which comprises partition wall connecting parts arranged on the upper wall and the lower wall of the tunnel, wherein corrugated steel partition plates are connected between the partition wall connecting parts, the corrugated steel partition plates are sequentially overlapped and connected by a plurality of corrugated steel plates, and divide the tunnel into independent up-and-down spaces along the extending direction of the tunnel.
Description
Technical Field
The utility model relates to the technical field of tunnel engineering, in particular to a frameless corrugated steel partition wall structure of a tunnel.
Background
The tunnel is a common engineering structure in transportation, and can pass through barriers such as mountain, river, seabed and the like, so that the transportation distance is shortened, and the transportation efficiency is improved. An intermediate wall is usually required to be arranged in the tunnel to divide the tunnel into an independent space of an upper line and a lower line so as to ensure traffic safety and smoothness. The type and structure of the partition wall in the tunnel not only affect the stability, safety, reliability and durability of the tunnel, but also affect the construction and operation costs, efficiency, environmental protection and other aspects of the tunnel, so that the partition wall is a problem which needs to be considered in the tunnel engineering design and construction.
At present, the common tunnel intermediate wall structure mainly comprises the following structures:
cast-in-place concrete structure intermediate wall: the traditional intermediate wall structure is characterized in that the intermediate wall is connected with a tunnel by a reinforcement planting mode through reserving reinforcement bars during construction of the second lining and pouring concrete in situ after the second lining is finished. The structure has the advantages of higher strength and better integrity with the tunnel. However, this structure also has the following drawbacks: (1) The on-site concrete pouring requires longer maintenance time, and the construction period is prolonged; (2) The cast-in-place concrete has great pollution to the environment, and is not beneficial to energy conservation and emission reduction; (3) The quality control of the cast-in-place concrete is difficult, and defects such as cracks, hollows and the like are easy to occur; (4) The cast-in-place concrete intermediate wall has poor earthquake-resistant effect and is easy to break.
Steel structure intermediate wall: this is a new type of intermediate wall structure, which is assembled by welding or bolting steel plates or grids together, prefabricated in a factory and transported to site installation. The structure has the advantages of high construction speed and light weight. However, this structure also has the following drawbacks: (1) The steel structure middle partition wall needs a larger thickness to ensure strength, so that the self weight is larger, and the foundation load of the steel structure middle partition wall is increased; (2) The steel structure intermediate wall is easily affected by corrosion, abrasion and the like, and needs to be regularly maintained; (3) The steel structure intermediate wall needs a large amount of operations such as cutting, welding and the like in the construction process, and the manufacturing cost and the construction cost are high.
Frame type corrugated steel intermediate wall: as shown in fig. 1, this is an improved corrugated steel intermediate wall structure, which is composed of a steel frame and corrugated steel plates. The corrugated steel plate has the advantages of light weight, high strength and the like, and the steel frame provides necessary support and connection. The structure has the advantages of light weight and high strength. However, this structure also has the following drawbacks: (1) The factory prefabrication process is complex, and a frame is required to be welded outside the corrugated steel plate; (2) The steel frame is required to be aligned during sequential connection installation, otherwise, the whole intermediate wall can be inclined; (3) the installation speed is slow.
Therefore, a new corrugated steel tunnel partition structure needs to be designed.
Disclosure of Invention
The utility model provides a frameless corrugated steel partition wall structure of a tunnel, which aims to solve the problems of poor connection quality, low construction speed, poor economy and the like of the traditional corrugated steel intermediate wall of a tunnel frame type.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
the utility model provides a tunnel does not have frame ripple steel partition wall structure, includes the partition wall connecting portion that sets up at the tunnel upper and lower wall, connects ripple steel partition plate between partition wall connecting portion, ripple steel partition plate is overlapped in proper order by a plurality of ripple steel sheet and is connected, and ripple steel partition plate separates the tunnel into independent upward, down space along the extending direction of tunnel.
Further, the partition wall connecting portion comprises an embedded connecting piece, the embedded connecting piece is anchored in the upper wall and the lower wall of the tunnel, and the corrugated steel partition plate is bolted and fixed on the embedded connecting piece.
Further, the partition wall connecting portion comprises an embedded connecting piece arranged on the upper wall of the tunnel and a concrete pier arranged on the lower wall of the tunnel, the concrete pier is provided with a splicing groove along the extending direction of the tunnel, the embedded connecting piece is anchored in the upper wall of the tunnel, the upper end of the corrugated steel partition plate is bolted and fixed on the embedded connecting piece, and the lower end of the corrugated steel partition plate is inserted into the splicing groove of the concrete pier.
Further, the partition wall connecting portion comprises an embedded connecting piece arranged on the upper wall of the tunnel and a plug-in groove arranged on the lower wall of the tunnel, the plug-in groove is arranged along the extending direction of the tunnel, the embedded connecting piece is anchored in the upper wall of the tunnel, the lower end of the corrugated steel partition plate is inserted into the plug-in groove, and the upper end of the corrugated steel partition plate is bolted and fixed on the embedded connecting piece.
Further, the embedded connecting piece is of a strip structure and is provided with a longitudinal connecting surface, and the section of the embedded connecting piece comprises an L shape or a T shape.
Further, the corrugated line direction of the corrugated steel plates is parallel to the extending direction of the tunnel, the upper end and the lower end of the single corrugated steel plate are respectively connected with partition wall connecting parts of the upper wall and the lower wall of the tunnel, the adjacent corrugated steel plates along the extending direction of the tunnel are aligned with each other, and the end parts are overlapped and then are bolted integrally.
Further, the corrugated line direction of the corrugated steel plates is perpendicular to the extending direction of the tunnel, a plurality of corrugated steel plates are staggered mutually, the end parts are overlapped in a staggered mode and then are bolted integrally, and the corrugated steel plates are connected with partition wall connecting parts of the upper wall and the lower wall of the tunnel respectively.
Further, reinforcing ribs are arranged on the corrugated steel partition plate.
Further, the outer surface of the corrugated steel partition plate is coated with anti-corrosion paint and fireproof paint.
Further, the waveform of the corrugated steel plate is in a sine wave form, a triangle wave form, a trapezoid wave form or a right angle wave form.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model provides a frameless corrugated steel partition wall structure of a tunnel, which does not need an additional corrugated steel plate frame or a longitudinal strut, is directly connected with the upper wall and the lower wall of the tunnel after being overlapped and connected into a piece, has convenient and quick construction, light and economical structure, does not need to add an additional self-connecting component, and greatly saves material cost and construction time.
2. In one embodiment of the utility model, the lower end part of the corrugated steel partition plate is directly inserted into the inserting groove of the concrete abutment or the inserting groove formed in the lower wall of the tunnel, and the upper end of the corrugated steel partition plate is connected through the embedded part in the upper wall, so that a simple, firm and reliable connection mode is formed, and effective anti-slip and supporting force is formed between the concrete abutment or the lower wall of the tunnel and the corrugated steel partition plate, so that the corrugated steel partition plate can bear larger horizontal load and vertical load.
3. According to the embodiment of the utility model, the corrugated steel plates are bolted into the sheet after the end parts of the corrugated steel plates are staggered and overlapped, so that the stress distribution and transmission mode of the structure can be improved, the stress concentration and crack generation are avoided, and the safety and reliability of the structure are improved.
3. In one embodiment of the utility model, the corrugated line direction of the corrugated steel partition plate can be vertical or parallel according to the extending direction of the tunnel, so as to adapt to different stress conditions and improve the stability of the partition plate; the wave form of the corrugated steel partition plate can be selected to be different according to the requirement so as to increase the rigidity and the strength of the partition wall.
Drawings
FIG. 1 is a schematic view of a prior art frame type corrugated steel intermediate wall structure;
FIG. 2 is a schematic view showing the layout of a partition structure according to embodiment 1 of the present utility model;
FIG. 3 is a side cross-sectional view of A-A of FIG. 2;
FIG. 4 is a schematic view showing the structure of a deck plate according to example 1 of the present utility model;
fig. 5 is a schematic view of a partition wall structure according to embodiment 2 of the present utility model;
FIG. 6 is a schematic illustration of staggered lap joint of corrugated steel partition plate of embodiment 2 of the present utility model;
fig. 7 is a waveform example diagram of a corrugated steel plate;
in the figure, 1-pre-buried connecting piece, 2-tunnel, 3-corrugated steel partition plate, 4-high strength bolt, 5-corrugated steel plate and 6-concrete abutment.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be. The present utility model will be described in detail with reference to the accompanying drawings and examples.
Example 1:
the embodiment provides a tunnel frameless corrugated steel partition wall structure, and schematic structural diagrams of the tunnel frameless corrugated steel partition wall structure are shown in fig. 2 and 3. The corrugated steel partition plate 3 is fixedly connected to the pre-buried connecting pieces of the upper wall and the lower wall through bolts 4 in a bolt mode, in the embodiment, the corrugated steel partition plate 3 is composed of a plurality of corrugated steel plates 4 in sine wave mode, the ends of the corrugated steel plates 5 are sequentially overlapped and then connected through the bolts 4 in a connecting mode, and the corrugated steel partition plate 3 separates the tunnel 2 into independent upper and lower spaces along the extending direction of the tunnel 2.
In this embodiment, the T-shaped embedded connector 1 is made of Q235 steel with a thickness of 15mm, a plurality of round holes or long holes are formed on a longitudinal connection surface of the embedded connector 1 along the extending direction of the tunnel 2, and after the upper end and the lower end of the corrugated steel partition plate 3 are aligned with the longitudinal connection surface, the corrugated steel partition plate is bolted on the longitudinal connection surface of the embedded connector 1 through an M20 level 8.8 high strength bolt 4. After the corrugated steel partition wall 3 plate is bolted with the embedded connecting piece 1, the grooves, gaps and the like formed by the upper wall and the lower wall of the tunnel 1 and the corrugated steel partition plate can be further subjected to compaction and solidification treatment through concrete mortar.
Referring to fig. 4, in this embodiment, the direction of the corrugated line of the corrugated steel plate 5 is parallel to the extending direction of the tunnel 2, since the length direction of the corrugated steel plate is not limited by the corrugator when the steel plate is corrugated, the length of each pressed sine corrugated steel plate 5 can be cut according to the height of the planned partition wall of the tunnel 2, in this embodiment, the center of the tunnel 2 is 7.0M, the length of the cut single corrugated steel plate is 7.2M (10 cm up and down respectively stretches into the upper wall and the lower wall), the width of the corrugated steel plate 5 is 2.0M, after the single corrugated steel plate 5 is bolted and fixed with the embedded connectors of the upper wall and the lower wall of the tunnel 2, the next corrugated steel plate 5 is mutually aligned and then stacked by 150mm, the stacked two corrugated steel plates 5 are integrally connected through the M16-level 8.8-high-strength bolts 4, then the embedded connectors 1 at the upper end and the lower end of the corrugated steel plate 5 are bolted and fixed, and so on, thus the whole corrugated steel tunnel partition wall structure is formed.
The outer surface of the corrugated steel partition plate 3 is coated with polyurethane anti-corrosion paint and water-based fireproof paint; the thickness of the anticorrosive paint and the fireproof paint is 0.5mm.
The construction procedure of example 1 is as follows:
s1, embedding and anchoring long-strip-shaped T-shaped steel pieces on the upper wall and the lower wall of a tunnel 2, wherein a longitudinal connecting surface of the embedded connecting piece 1 faces the center of the tunnel vertically as an embedded connecting piece 1, and a plurality of long holes are formed in the longitudinal connecting surface along the extending direction of the tunnel 2 and are used for bolting corrugated steel partition boards 3.
S2, correspondingly processing and cutting the height of the corrugated steel plate 5 according to the height of the planned partition wall of the tunnel 2, then forming connecting holes around the corrugated steel plate 5, coating polyurethane anticorrosive paint and water-based fire-resistant paint on the outer surface of the corrugated steel plate 5, and finally conveying the corrugated steel plate 5 to a tunnel construction site.
S3, after the first corrugated steel plate 5 is aligned with the T-shaped steel parts of the upper wall and the lower wall of the tunnel 2, the first corrugated steel plate is bolted on the longitudinal connecting surface of the T-shaped steel parts through M20 grade 8.8-level high-strength bolts 4.
S4, stacking the next corrugated steel plate 5 and the first corrugated steel plate 5 for 150mm after being aligned with each other, connecting the corrugated steel plate 5 and the first corrugated steel plate into a whole through M16 grade 8.8-level high-strength bolts 4, and then bolting and fixing the upper end and the lower end of the corrugated steel plate 5 with T-shaped steel pieces of the upper wall and the lower wall of the tunnel 2, so that the whole corrugated steel tunnel partition wall structure is formed by the continuous connection.
S5, carrying out concrete mortar compacting and curing treatment on grooves, gaps and the like formed by the upper wall and the lower wall of the tunnel 2 and the corrugated steel partition plate 3 so as to improve the integrity and the sealing performance of the partition wall structure.
In this embodiment, adopt rectangular T shape steel spare as the pre-buried connecting piece of tunnel upper and lower wall, need not complicated erection equipment and instrument, only need with prefabricated corrugated steel sheet transport to the scene bolt fixed can, save construction time and cost greatly, improved efficiency of construction and economic nature, simultaneously, monolithic corrugated steel sheet is connected in the tunnel on top of the sky, can reduce corrugated steel sheet's seam quantity, reduce the stress concentration and the seepage risk of seam department, improve partition wall structural wholeness and leakproofness.
In addition, the embodiment performs the dense curing treatment of the concrete mortar at the positions of the grooves, the gaps and the like formed after the upper wall and the lower wall of the tunnel are connected with the corrugated steel partition plate, so that the bonding force and the tightness between the partition wall structure and the tunnel body are further improved, the leakage phenomena of water, gas and the like are prevented, and the durability and the waterproof property of the partition wall structure are improved.
Example 2:
referring to fig. 5, unlike embodiment 1, in this embodiment, the partition wall connection portion provided on the upper wall of the tunnel 2 is a T-shaped pre-buried connection member 1, and the partition wall connection portion provided on the lower wall of the tunnel 2 is a concrete abutment 6 with a plugging slot formed by casting.
Referring to fig. 6, in the present embodiment, the corrugated steel partition plate 3 is composed of a plurality of corrugated steel plates in the form of sine waves, the corrugated line direction of the corrugated steel plates is perpendicular to the extending direction of the tunnel, the end portions of the plurality of corrugated steel plates are staggered with each other, and the corrugated steel plates are bolted into a sheet through a high-strength bolt 4 after staggered superposition.
In the embodiment, firstly, the lower end part of the corrugated steel partition plate is inserted into an inserting groove of a concrete pier, and then the upper end of the corrugated steel partition plate is bolted and fixed through a T-shaped embedded connecting piece; the concrete abutment and the corrugated steel partition plate form an effective supporting force and an anti-sliding effect, the shearing force of the corrugated steel partition plate at the upper connecting point of the tunnel is reduced, and the concrete abutment and the corrugated steel partition plate can bear larger horizontal load and vertical load. After the lower end of the corrugated steel plate is inserted into the inserting groove, the concrete mortar can be compacted and solidified to improve the integrity and the tightness of the partition wall structure.
In addition, in the embodiment, the corrugated steel plates without the frame structure are staggered, and are bolted into the corrugated steel partition plate after staggered superposition, so that the stress distribution and transmission mode of the corrugated steel connection structure can be remarkably improved, the consistency of the corrugated steel structure is improved, and the safety and reliability of the structure are improved.
Example 3:
unlike embodiment 1 or 2, in this embodiment, the partition wall connecting portion provided on the upper wall of the tunnel is an L-shaped embedded connecting member, the partition wall connecting portion provided on the lower wall of the tunnel is a socket groove directly provided on the lower wall of the tunnel, the socket groove is provided along the extending direction of the tunnel, the width and depth of the socket groove are matched with those of the corrugated steel plate so as to insert the lower end of the corrugated steel plate into the socket groove, and after the lower end of the corrugated steel plate is inserted into the socket groove, the concrete mortar can be used for compacting and curing to improve the integrity and sealing performance of the partition wall structure.
In the embodiment, the corrugated steel plate has a trapezoid wave form, and the trapezoid wave form corrugated steel plate has larger section moment of inertia and bending rigidity, so that the bending resistance and rigidity of the partition wall structure can be effectively improved.
Referring to fig. 7, in other embodiments, the wave form of the corrugated steel plate may be triangular or square.
It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (9)
1. The utility model provides a tunnel does not have frame ripple steel partition wall structure which characterized in that, including setting up the partition wall connecting portion at tunnel upper and lower wall, connect ripple steel partition plate between partition wall connecting portion, ripple steel partition plate is overlapped in proper order by a plurality of ripple steel sheet and is connected, and ripple steel partition plate separates the tunnel into independent upper and lower space along the extending direction of tunnel;
the partition wall connecting portion comprises an embedded connecting piece arranged on the upper wall of the tunnel and a concrete pier arranged on the lower wall of the tunnel, wherein the concrete pier is provided with a splicing groove along the extending direction of the tunnel, the embedded connecting piece is anchored in the upper wall of the tunnel, the upper end of the corrugated steel partition board is bolted and fixed on the embedded connecting piece, and the lower end of the corrugated steel partition board is inserted into the splicing groove of the concrete pier.
2. The framed corrugated steel partition structure of claim 1 wherein said partition connection includes pre-buried connectors anchored in the upper and lower walls of the tunnel, the corrugated steel partition panel bolted to the pre-buried connectors.
3. The frame-free corrugated steel partition wall structure of a tunnel according to claim 1, wherein the partition wall connecting portion comprises a pre-buried connecting piece arranged on the upper wall of the tunnel and a plugging groove formed in the lower wall of the tunnel, the plugging groove is formed in the extending direction of the tunnel, the pre-buried connecting piece is anchored in the upper wall of the tunnel, the lower end of the corrugated steel partition plate is inserted into the plugging groove, and the upper end of the corrugated steel partition plate is fixedly bolted to the pre-buried connecting piece.
4. A tunnel frameless corrugated steel partition wall structure according to any one of claims 1-3, wherein the pre-buried connectors are of a strip structure and have a longitudinal connecting surface, and the cross section of the pre-buried connectors comprises an L-shape or a T-shape.
5. The framing-free corrugated steel partition structure of a tunnel according to claim 4, wherein the corrugated line direction of the corrugated steel plates is parallel to the extending direction of the tunnel, the upper and lower ends of the single corrugated steel plates are respectively connected with partition connecting portions of the upper and lower walls of the tunnel, the adjacent corrugated steel plates along the extending direction of the tunnel are aligned with each other, and the end portions are integrally bolted after being overlapped.
6. The structure of the frameless corrugated steel partition wall of the tunnel according to claim 4, wherein the corrugated line direction of the corrugated steel plates is perpendicular to the extending direction of the tunnel, a plurality of corrugated steel plates are staggered mutually, and the corrugated steel plates are bolted integrally after overlapping the staggered end parts and are respectively connected with partition wall connecting parts of the upper wall and the lower wall of the tunnel.
7. The tunnel frameless corrugated steel partition structure of claim 1 wherein reinforcing ribs are provided on said corrugated steel partition plate.
8. The tunnel frameless corrugated steel partition structure of claim 1 wherein the exterior surface of said corrugated steel partition plate is coated with an anti-corrosion coating and a fire-resistant coating.
9. The tunnel frameless corrugated steel partition structure of claim 1 wherein the corrugated steel sheet has a wave form of sine wave form, triangle wave form, trapezoid wave form or right angle wave form.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321173316.1U CN220059577U (en) | 2023-05-16 | 2023-05-16 | Tunnel frameless corrugated steel partition wall structure |
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| CN202321173316.1U CN220059577U (en) | 2023-05-16 | 2023-05-16 | Tunnel frameless corrugated steel partition wall structure |
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