CN117072192A - Gradual change open hole type tunnel portal sunshade protection canopy - Google Patents
Gradual change open hole type tunnel portal sunshade protection canopy Download PDFInfo
- Publication number
- CN117072192A CN117072192A CN202311103471.0A CN202311103471A CN117072192A CN 117072192 A CN117072192 A CN 117072192A CN 202311103471 A CN202311103471 A CN 202311103471A CN 117072192 A CN117072192 A CN 117072192A
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- corrugated steel
- shed
- light
- arch shed
- tunnel portal
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- 230000008859 change Effects 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 103
- 239000010959 steel Substances 0.000 claims abstract description 103
- 238000002834 transmittance Methods 0.000 claims abstract description 11
- 239000011148 porous material Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 11
- 239000003973 paint Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000009970 fire resistant effect Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000000750 progressive effect Effects 0.000 claims 3
- 238000010276 construction Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000004300 dark adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000016776 visual perception Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention relates to a gradual change open-pore type tunnel portal sunshade protection shed, which comprises an arch shed arranged at a tunnel portal and extending outwards, wherein a plurality of light holes are formed in the arch shed, the light holes are circumferentially arranged step by step along the extending direction of the arch shed, and the light transmittance of the light holes from the tunnel portal to the outside is increased step by step; the arch shed is a corrugated steel arch shed, and the corrugated steel arch shed is formed by sequentially splicing a plurality of corrugated steel plates. The corrugated steel arch shed is formed by sequentially splicing a plurality of corrugated steel plates, has higher strength, stability and durability, has simple construction process, and only needs to transport the processed corrugated steel plates to a construction site, and is formed by fixing the corrugated steel plates together and connecting the corrugated steel plates with a foundation through high-strength bolts or connecting flanges; the light holes on the arch shed can be preset or can be arranged later, so that the setting of the sunshade protection shed can be completed, complicated mechanical equipment and professional technicians are not needed, and manpower, material resources and time are saved.
Description
Technical Field
The invention relates to the technical field of tunnel lighting, in particular to a gradual change open-pore type tunnel portal sunshade protection shed.
Background
The tunnel is a common engineering form in highway construction, and can shorten the route length, reduce the construction cost and improve the traffic condition. However, tunnel traffic also has some potential safety hazards, one of which is the problem of abrupt light changes at the entrance of the tunnel. Because the intensity of light inside and outside the tunnel is greatly different, a driver needs to go through a visual light and shade adaptation process when entering or exiting the tunnel, and the visual perception of the driver can be influenced by the process, so that the risk of accident occurrence is increased. Therefore, a dimming component with a certain length is arranged at the entrance and the exit of the tunnel, and reasonable transition of the illuminance difference inside and outside the tunnel entrance is very necessary.
In order to solve the problem, a method is commonly used at present to set a shading shed at the entrance of a tunnel so as to reduce the amplitude of light abrupt change and shorten the visual shading adaptation time. In the prior art, one common form of the shading shed is to use a plurality of groups of steel arches arranged as frames, and set up light-transmitting plates between the frames, and change the light transmittance of the shading shed by changing the spacing of the steel arches or the light transmittance of the light-transmitting plates. The tunnel shading shed can alleviate the problem of light mutation at the entrance of a tunnel to a certain extent, but has the following defects: firstly, the construction of the shading shed is complex, a great amount of manpower, material resources and time are needed, and the requirements on conditions such as topography, geology and climate of a construction site are high; secondly, the integrity of the shading shed is poor, and as the shading shed is formed by combining a plurality of independent components, the structural stability and shock resistance of the shading shed are low, and the problems of deformation, cracking, falling off and the like are easy to occur, so that the service life and the safety of the shading shed are influenced; finally, the light-shielding shed has poor stone falling prevention capability, and as the top and the side surfaces of the light-shielding shed are transparent, disasters such as falling stones, debris flows and the like which possibly occur around the tunnel portal cannot be effectively blocked, and potential danger is brought to driving.
Disclosure of Invention
The invention provides a gradual change open-pore type tunnel portal sunshade protection shed, which aims to solve the problems of complex construction of a sunshade shed, poor integrity, insufficient strength, excessive and uneven light and the like in the prior art.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
a gradual change trompil formula entrance to a cave sunshade protection canopy, including setting up in the entrance to a cave and outwards extending the canopy of arch, set up a plurality of light trap on the canopy of arch, a plurality of said light trap is arranged along the extension direction of canopy of arch in the annular step by step, outwards extend from the entrance to a cave, the light transmittance of each level of said light trap increases gradually; the arch shed is a corrugated steel arch shed, and the corrugated steel arch shed is formed by sequentially splicing a plurality of corrugated steel plates.
Further, the light holes of a plurality of stages are arranged on the arch shed at intervals, the holes extend outwards from the openings, and the sizes of the holes of each stage are gradually increased.
Further, the light holes of a plurality of stages are arranged on the arch shed at intervals, the holes extend outwards, and the light holes of each stage are gradually increased.
Further, the device also comprises a grounding foundation, wherein the grounding foundation is arranged on two sides of a pavement of the hole, the lower end of the corrugated steel arch shed is fixed on the grounding foundation on two sides, and a plurality of grounding foundation openings are formed in the grounding foundation.
Further, two light holes are arranged on the single stage, and the two light holes are symmetrically arranged on two side walls of the corrugated steel arch shed.
Further, the light holes are of longitudinal round corner rectangular structures, and the central lines of the light holes arranged on one side of the corrugated steel arch shed are on the same horizontal line.
Further, a transparent plate is arranged in the light hole.
Further, the ends of a plurality of corrugated steel plates forming the corrugated steel arch shed are overlapped and then fixed through high-strength bolts; or the corrugated steel plates forming the corrugated steel arch shed are aligned through the connecting flanges at the end parts of the corrugated steel plates and then bolted and fixed.
Further, the corrugated line direction of the corrugated steel arch shed is perpendicular to or parallel to the extending direction of the tunnel; the surface of the corrugated steel arch shed is coated with anti-corrosion paint and fire-resistant paint.
Further, the waveform of the corrugated steel arch shed 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 invention has the beneficial effects that:
1. the corrugated steel arch shed is formed by sequentially splicing a plurality of corrugated steel plates, has higher strength, stability and durability, has simple construction process, and only needs to transport the processed corrugated steel plates to a construction site, and is formed by fixing the corrugated steel plates together through high-strength bolts or connecting flanges and connecting the corrugated steel plates with the ground; the light holes on the arch shed can be preset or can be arranged later, so that the setting of the sunshade protection shed can be completed, complicated mechanical equipment and professional technicians are not needed, and manpower, material resources and time are saved.
2. According to the invention, the light holes are circumferentially arranged step by step along the extending direction of the corrugated steel arch shed, the light transmittance of the light holes from the opening to the outside is increased step by step, the smooth transition of light inside and outside the tunnel can be realized, and the visual light and shade adaptation time of a driver is shortened.
3. The corrugated steel arch shed has the capability of preventing falling rocks from impacting, and the corrugated structure of the corrugated steel arch shed can increase the bending stiffness and the shear strength of the corrugated steel arch shed due to the falling rocks risk of the side slope of the tunnel, so that the corrugated steel arch shed can bear larger impact load, can disperse and consume the kinetic energy of the falling rocks, and reduces the potential danger of driving.
4. According to the embodiment of the invention, the grounding foundations are arranged on the two sides of the pavement of the tunnel portal, so that the corrugated steel arch shed and the grounding foundations are fixed together to form a stable structure; therefore, the arrangement of the connecting section extending into the tunnel body can be avoided, the influence and damage to the tunnel body are reduced, and the wind resistance and the shock resistance of the corrugated steel arch shed can be improved.
5. According to the embodiment of the invention, the light holes adopt a longitudinal rounded rectangular structure, are symmetrically arranged on two sides of the corrugated steel arch shed, the direction and distribution of incident light in the corrugated steel arch shed are effectively controlled through the size of the light holes, the effect of smooth transition of the light is achieved, the lateral light holes ensure the dustproof and anti-falling functions of the sunshade protection shed, and the attractiveness of the sunshade protection shed can be increased.
It is, of course, not necessary for all of the above advantages to be achieved simultaneously in the practice of the various aspects of the invention.
Drawings
FIG. 1 is a schematic view of the corrugated steel arch shed of embodiment 1 of the present invention;
FIG. 2 is a side view of a corrugated steel arch canopy of embodiment 1 of the present invention;
FIG. 3 is a schematic view showing the installation of a corrugated steel arch shed according to embodiment 1 of the present invention;
FIG. 4 is a schematic view showing the installation of a corrugated steel arch shed according to embodiment 2 of the present invention;
fig. 5 is a waveform example diagram of a corrugated steel plate;
in the figure, 1-corrugated steel arch shed, 2-light holes, 3-road, 4-tunnel, 5-transparent plate, 6-grounding foundation and 7-grounding foundation holes are formed.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention 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 invention will be described in detail with reference to the accompanying drawings and examples.
Example 1:
referring to fig. 1 and 3, a concrete structure of a gradual change open hole type hole sunshade protection shed comprises a corrugated steel shed 1 which is arranged at a hole of a tunnel 4 and extends outwards, wherein the corrugated steel shed 1 is formed by sequentially splicing a plurality of corrugated steel plates, the corrugated steel shed 1 is covered above a road 5 at the hole of the tunnel 4, a plurality of light holes 2 are formed in the corrugated steel shed 1, the light holes 2 are annularly arranged step by step along the extending direction of the shed, nine levels are arranged in total in the light holes 2, the tunnel 4 hole extends outwards, and the light transmittance of the nine levels of light holes 2 is gradually increased.
In the embodiment, the smooth transition of the light transmittance in the sunshade protective shed is controlled by controlling the opening size of each level of light holes 2; nine light holes 2 are formed in the corrugated steel arch shed 1 at equal intervals along the circumferential direction, the hole length of the light holes 2 is gradually increased along the outward direction of the hole body, two single-stage upper light holes 2 are arranged, and the two light holes 2 are symmetrically arranged on two sides of the corrugated steel arch shed; referring to fig. 2, the single light-transmitting holes 2 are of a longitudinal rounded rectangular structure, and the central lines of the nine light-transmitting holes 2 arranged on each single side of the corrugated steel arch are on the same horizontal line. From the perspective of light transmission, the light transmission holes 2 with the longitudinal round angle rectangular structures can transmit light rays with different heights in a larger range, so that the light rays form a smooth gradual change in the corrugated steel arch shed. From the aesthetic aspect, the light holes 2 with the longitudinal round angle rectangular structure can be coordinated with the wave shape of the corrugated steel arch shed 1, so that the whole sense and fluency of the sunshade protection shed are improved. Meanwhile, the nine light holes 2 symmetrically arranged on the two side walls of the corrugated steel arch shed can keep balance and symmetry of the sunshade protection shed, and the attractiveness and regularity of the sunshade protection shed are improved. It should be noted that, in other embodiments, the arrangement manner and the hole pattern of the light holes may be selected according to different usage scenarios and requirements. For example, the shape of the light-transmitting holes may be circular, square, oval, etc., and may even be a complex irregular shape; the distance between each stage of light holes can be adjusted according to the distribution and uniformity of light rays.
Referring to fig. 2, the front section of the corrugated steel arch shed 1 is a connecting section, the rear section is a light transmitting section with light holes, the connecting section is arranged in a tunnel hole body and is fastened with the upper wall of the tunnel body, so that the corrugated steel arch shed 1 and the tunnel 4 tunnel body form an integral structure, and the connection requirement of the light transmitting section and the ground outside the tunnel opening is greatly reduced; meanwhile, the structure can also reduce the gap between the corrugated steel arch shed 1 and the hole body and improve the waterproof sealing performance of the corrugated steel arch shed 1.
A transparent plate 5 can be arranged in the light hole 2 to prevent falling rocks and rain and snow from entering the protective shed and keep the light transmission effect; in this embodiment, the transparent plate 5 is made of toughened glass, which has the advantages of high strength, high light transmittance, impact resistance, wear resistance, temperature difference resistance, and the like. In other embodiments, other kinds of transparent plates, such as acrylic plates, polycarbonate plates, glass fiber plates, etc., may be selected according to different usage scenarios and requirements.
In the embodiment, the ends of a plurality of corrugated steel plates forming the corrugated steel arch shed 1 are overlapped and then are fixed into a whole through high-strength bolts, so that the overall rigidity and stability of the corrugated steel arch shed can be improved, the bending resistance, shearing resistance and impact resistance of the corrugated steel arch shed are improved, and meanwhile, the corrugated steel arch shed is convenient to install and detach; the direction of the corrugated line of the corrugated steel arch shed 1 is perpendicular to the extending direction of the tunnel, so that the corrugated steel arch shed 1 has better longitudinal strength; the waveform of the corrugated steel arch shed 1 is in a sine wave form, so that the bearing capacity and the deformability of the corrugated steel arch shed are improved, and meanwhile, the corrugated steel arch shed 1 has good attractiveness and good streamline performance.
In other embodiments, the corrugated steel plates constituting the corrugated steel arch shed may also be bolted or welded together after alignment by means of welded connection flanges at the ends thereof. The direction of the corrugated line of the corrugated steel arch shed can be parallel to the extending direction of the tunnel. Referring to fig. 5, the wave form of the corrugated steel arch shed can also be triangular wave form, trapezoidal wave form or right angle wave form, etc.
In this example, anticorrosive paint and fire-resistant paint are coated on the surface of the corrugated steel plate to increase the anticorrosive performance and fire-resistant performance thereof.
The specific manufacturing and installing steps of the gradual change open-pore type tunnel portal sunshade protection shed are as follows:
step one: and determining the length, height, width and other dimension parameters of the sunshade protective shed according to the conditions of the terrain, geology, climate and the like at the entrance of the tunnel, and determining the distance and the size of each level of light holes in the sunshade protective shed according to the design speed and the driver dark adaptation time.
Step two: transporting the corrugated steel plates to a tunnel portal construction site, splicing the corrugated steel plates into a corrugated steel arch shed in sequence according to a design drawing, wherein the front section of the corrugated steel arch shed is a connecting section, the rear section of the corrugated steel arch shed is a light-transmitting section with a light-transmitting hole, and the connecting section is arranged in the tunnel portal and is fastened with the upper wall of the tunnel portal; the corrugated steel arch shed and the tunnel hole form an integral structure, so that the stability of the integral structure is improved, and meanwhile, the gap between the corrugated steel arch shed and the tunnel hole can be reduced, and the sealing performance and the waterproof performance of the integral structure are improved.
Step three: and cutting and perforating the multi-stage light holes according to the determined size parameters and positions of the light holes.
Step four: transparent plates are arranged in the light holes so as to increase the functions of water resistance, dust resistance, falling stone resistance and the like of the sunshade protective shed.
Example 2:
the embodiment provides a gradual change open hole type tunnel portal sunshade protection shed with a grounding foundation, the structure of which is shown in fig. 4, which is different from the embodiment 1 in that two sides of a pavement 3 of a tunnel 4 portal are provided with grounding foundations 6, the lower ends of corrugated steel arch sheds 1 are fixed on the grounding foundations 6 at the two sides, and the grounding foundations 6 are laterally provided with diamond-shaped grounding foundation openings 7; because of the existence of the grounding foundation 6, the corrugated steel arch shed 1 can be provided with no connecting section extending into the cavity, and the end part of the corrugated steel arch shed 1 is tightly attached to the side wall of the cavity. In other embodiments, the shape of the ground opening 7 may be circular, square, oval, gate-shaped, etc.
The construction steps of this embodiment are different from those of embodiment 1 in that corresponding foundation pits are excavated on both sides of the road surface of the hole according to the size and shape of the hole, and concrete or other sturdy and durable materials are poured into the foundation pits to form the ground foundation 6. A connecting hole or a connecting piece, such as a long angle steel or a connecting anchor rod, is provided on the upper end surface of the grounding foundation 6 so as to connect the corrugated steel arch shed 1 with the grounding foundation 6.
The sunshade protection shed is characterized in that grounding foundations are arranged on two sides of a road surface of a tunnel portal, so that the corrugated steel arch shed and the grounding foundations are fixed together to form a stable structure. Therefore, the arrangement of the connecting section extending into the hole body can be avoided, the influence and damage to the hole body are reduced, and the wind resistance and the shock resistance of the corrugated steel arch shed can be improved. In addition, the grounding foundation is laterally provided with diamond-shaped grounding foundation openings, so that the ventilation performance and the light transmittance performance of the grounding foundation can be improved.
Example 3:
the embodiment provides a gradual change open hole type tunnel portal sunshade protection shed, which is different from embodiment 1 or embodiment 2 in that the smooth transition of the light transmittance in the sunshade protection shed is further controlled by controlling the number of each level of light holes; nine-level light holes are formed in the corrugated steel arch shed at equal intervals along the circumferential direction, the number of the light holes is increased step by step along the outward direction of the hole body, and the number of the light holes in a single stage is increased from two to ten.
Of course, in other embodiments, the arrangement manner and the hole pattern of the light holes can be selected according to different usage scenarios and requirements.
The embodiment can make the incident natural light in the sunshade protective shed more uniform and rich, and can increase the light transmission area and the porosity of the sunshade protective shed.
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 invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (10)
1. The gradual change open hole type tunnel portal sunshade protection shed is characterized by comprising an arch shed which is arranged at a tunnel portal and extends outwards, wherein a plurality of light holes are formed in the arch shed, the light holes are annularly arranged step by step along the extending direction of the arch shed, the tunnel portal extends outwards, and the light transmittance of each level of light holes is gradually increased; the arch shed is a corrugated steel arch shed, and the corrugated steel arch shed is formed by sequentially splicing a plurality of corrugated steel plates.
2. The gradual opening type tunnel portal sunshade protection shed as claimed in claim 1, wherein the light holes of a plurality of stages are arranged on the arch shed at intervals, the holes extend outwards from the tunnel portal, and the sizes of the holes of each stage are gradually increased.
3. The gradual change trompil formula entrance to a cave sunshade protection canopy of claim 1 or 2, wherein, a plurality of grades of light trap interval sets up on the canopy, outwards extends from the entrance to a cave, every grade of light trap progressively increases.
4. A gradient open-pore type tunnel portal sunshade protection shed as claimed in claim 3, further comprising grounding foundations arranged on two sides of the road surface of the tunnel portal, wherein the lower ends of the corrugated steel arch sheds are fixed on the grounding foundations on the two sides, and a plurality of grounding foundation openings are formed in the grounding foundations.
5. The gradual change trompil formula entrance to a cave sunshade protection canopy of claim 2, wherein on single stage said light trap sets up two, and two light trap symmetry sets up on the both sides wall of corrugated steel canopy.
6. The gradual change open-hole type tunnel portal sunshade protective shed as claimed in claim 5, wherein the light holes are of a longitudinal round rectangular structure, and the central lines of the light holes arranged on one side of the corrugated steel arch shed are on the same horizontal line.
7. The progressive opening portal sunshade protective shed as claimed in claim 1, wherein a transparent sheet material is disposed within the light transmission aperture.
8. The progressive open-hole type tunnel portal sunshade protective shed as claimed in claim 1, wherein a plurality of corrugated steel plate ends constituting the corrugated steel arch shed are stacked and then fixed by high-strength bolts; or the corrugated steel plates forming the corrugated steel arch shed are aligned through the connecting flanges at the end parts of the corrugated steel plates and then bolted and fixed.
9. The gradual change open-pore mouth sunshade protective shed as claimed in claim 8, wherein the corrugated line direction of the corrugated steel arch shed is perpendicular or parallel to the extending direction of the tunnel; the surface of the corrugated steel arch shed is coated with anti-corrosion paint and fire-resistant paint.
10. The progressive open hole canopy of claim 1, wherein the waveform of the corrugated steel canopy is sinusoidal, triangular, trapezoidal or right angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311103471.0A CN117072192A (en) | 2023-08-30 | 2023-08-30 | Gradual change open hole type tunnel portal sunshade protection canopy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311103471.0A CN117072192A (en) | 2023-08-30 | 2023-08-30 | Gradual change open hole type tunnel portal sunshade protection canopy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117072192A true CN117072192A (en) | 2023-11-17 |
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ID=88719360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311103471.0A Pending CN117072192A (en) | 2023-08-30 | 2023-08-30 | Gradual change open hole type tunnel portal sunshade protection canopy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117072192A (en) |
-
2023
- 2023-08-30 CN CN202311103471.0A patent/CN117072192A/en active Pending
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