CN220726377U - Large-scale underground cavern high side wall sidewalk trestle structure - Google Patents
Large-scale underground cavern high side wall sidewalk trestle structure Download PDFInfo
- Publication number
- CN220726377U CN220726377U CN202320166853.7U CN202320166853U CN220726377U CN 220726377 U CN220726377 U CN 220726377U CN 202320166853 U CN202320166853 U CN 202320166853U CN 220726377 U CN220726377 U CN 220726377U
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- side wall
- tensile
- anchor rod
- underground
- handrails
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- 230000006835 compression Effects 0.000 claims abstract description 31
- 238000007906 compression Methods 0.000 claims abstract description 31
- 239000004567 concrete Substances 0.000 claims description 9
- 239000004570 mortar (masonry) Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000011378 shotcrete Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 12
- 238000009412 basement excavation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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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
- 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
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model provides a large-scale underground cavern high side wall sidewalk trestle structure, which comprises a plurality of tensile anchor rods fixedly connected with an underground cavern side wall along the length direction of the sidewalk trestle, wherein pedals are paved on the tensile anchor rods, the pedals are fixedly connected with guardrails, and a plurality of inclined stay bars are fixedly connected between the guardrails and the pedals; the tensile anchor rod and the compression anchor rod are arranged to be used as main stress structures, so that the construction is convenient, the construction cycle can be shortened, and the construction efficiency is improved.
Description
Technical Field
The utility model relates to the field of underground space engineering, in particular to a high side wall sidewalk trestle structure of a large-scale underground cavity.
Background
The underground cavern group of hydroelectric engineering is large in scale, such as underground factory buildings of pumped storage power stations, main transformer caves, tail water pressure regulating chambers and other caverns with larger spans, side walls are higher, excavation supporting and concrete pouring procedures in the construction period are very complex, multiple kinds and multiple specialized technicians are needed to be closely matched, and the construction period of excavation supporting in the large-scale underground caverns is very important in passing and exchanging of constructors due to the fact that the side walls are high and long. In order to solve the requirements of the large-scale underground cavern for the passage of construction period personnel such as excavation supporting and concrete pouring, the utility model provides a pedestrian trestle structure which can be arranged on the side wall of the underground cavern and can ensure the passage safety, which is very important and urgent.
Based on the above situation, the utility model provides a large-scale underground cavern high side wall sidewalk trestle structure, which can effectively solve the problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a large-scale underground cavity high side wall sidewalk trestle structure which can solve the traffic safety problems of construction period personnel such as large-scale underground cavity excavation support and concrete pouring.
For this purpose, the utility model adopts the following technical scheme:
the utility model provides a large-scale underground cavern high side wall sidewalk structure, includes a plurality of tensile stock of following sidewalk length direction and underground cavern side wall fixed connection, the footboard has been laid on the tensile stock, footboard fixedly connected with guardrail, the guardrail with fixedly connected with a plurality of slant vaulting poles between the footboard.
On the basis of adopting the technical scheme, the utility model can also adopt the following further technical schemes or use the further technical schemes in combination:
the underground tunnel side wall is characterized in that a plurality of compression-resistant anchor rods are arranged on the lower sides of the tension-resistant anchor rods respectively, the guardrails are located above the intersection line of the tension-resistant anchor rods and the compression-resistant anchor rods, a concrete layer is arranged on the surface of the underground tunnel side wall, a ground mat is paved on the upper sides of the pedals, and skirting boards are fixedly connected to the guardrails.
The utility model provides a tensile anchor, tensile anchor is perpendicular to underground hole room side wall, the stiff end of tensile anchor is located underground hole room side wall, the bracing piece of tensile anchor stretches out underground hole room side wall, a plurality of tensile anchor is along the overall length interval arrangement of underground hole room side wall, a plurality of tensile anchor is followed the footboard lays the direction and arranges in same horizontal plane, tensile anchor is ordinary mortar anchor, the length of tensile anchor is 2.8m ~3.2m, wherein the dead end length of tensile anchor is 1.6m ~2m, the bracing piece length of tensile anchor is 1m ~1.4m, adjacent two interval between the tensile anchor is 0.8m ~1.2m, the diameter of tensile anchor is 26mm ~30mm.
The compression anchor rod is inclined to the side wall of the underground cavity, the fixed section of the compression anchor rod is positioned in the side wall of the underground cavity, the supporting section of the compression anchor rod extends out of the side wall of the underground cavity, the compression anchor rod is a common mortar anchor rod, the length of the compression anchor rod is 2.8 m-3.2 m, the lengths of the fixed section and the supporting section of the compression anchor rod are equal and are 1.3 m-1.7 m respectively, the supporting section of the tension anchor rod is far away from the side wall of the underground cavity, the position of 0.8 m-1.2 m in the direction of the side wall of the underground cavity is welded with the tail end of the supporting section of the compression anchor rod, and an included angle formed between the compression anchor rod and the tension anchor rod towards one side of the side wall of the underground cavity is 35-45 degrees.
The concrete layer is sprayed concrete, and the strength grade is C30.
The footboard water tiling is located above the supporting section of tensile stock, the footboard is the steel sheet, the footboard with tensile stock welded connection, the upper surface of footboard is equipped with the ripple, the thickness of footboard is 4mm ~6mm, and the width is 1 ~1.4m.
The ground mat is horizontally laid on the pedal, the ground mat is located between the side wall of the underground cavity and the skirting board, the ground mat is a rubber ground mat, the thickness of the ground mat is 9 mm-11 mm, and the width of the ground mat is 0.9 m-1.1 m.
The skirting board is located one side of the guardrail, which is close to the side wall of the underground cavity, the inclined stay bar is located on the other side, the lower face of the skirting board is attached to the upper face of the pedal, the skirting board is made of stainless steel plates, the thickness of the skirting board is 3.5 mm-4.5 mm, and the height of the skirting board is 190 mm-210 mm.
The guardrail comprises a plurality of horizontal handrails and a plurality of vertical handrails which are crossed, wherein the vertical handrails are vertically fixed on the upper surface of the pedal, the distance between every two adjacent vertical handrails is equal to that of the tensile anchor rod, the installation positions of the vertical handrails are in one-to-one correspondence with the tensile anchor rods, the horizontal handrails are axially distributed along the vertical handrails, the horizontal handrails are vertical to the vertical handrails, the distance between every two adjacent horizontal handrails is 290mm-300 mm, the length of each horizontal handrail is equal to that of the pedal, the height of each vertical handrail is 1.4 mm-1.6 mm, and the horizontal handrails and the vertical handrails are stainless steel pipes with diameters of 90 mm-110 mm.
Compared with the prior art, the utility model has the following advantages: the utility model is safe and reliable, the pedestrian trestle is fixedly arranged along the side wall of the large underground cavity, the falling risk can be effectively avoided, and the personnel safety is ensured; the tensile anchor rod and the compression anchor rod are arranged to be used as main stress structures, so that the construction is convenient, the construction cycle can be shortened, and the construction efficiency is improved.
Drawings
FIG. 1 is a cross-sectional illustration of the present utility model;
fig. 2 is an elevational view of the present utility model.
Detailed Description
For a better understanding of the technical solutions of the present utility model by those skilled in the art, a preferred embodiment of the present utility model is described below with reference to specific examples, which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar functional elements throughout, but it is understood that the drawings are for illustrative purposes only and are not to be construed as limiting the utility model; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted in order to illustrate the utility model only and not to limit the utility model.
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
The side wall of the large underground cavity is 50-60 m in height and 175-185 m in length, and the drawing is referred to. The utility model provides a large-scale underground cavity high-side wall sidewalk trestle structure, which comprises a plurality of tensile anchor rods 1 fixedly connected with an underground cavity side wall 3 along the length direction of the sidewalk trestle, wherein pedals 5 are paved on the tensile anchor rods 1, the pedals 5 are fixedly connected with guardrails 8, and a plurality of inclined stay bars 9 are fixedly connected between the guardrails 8 and the pedals 5.
A plurality of tensile stock 1 downside is equipped with resistance to compression stock 2 respectively, guardrail 8 is located tensile stock 1 with resistance to compression stock 2's intersection top, underground cavern side wall 3 surface is equipped with concrete layer 4, ground mat 6 has been laid to footboard 5 upside, guardrail 8 fixedly connected with baseboard 7.
The utility model provides a tensile anchor 1, the stiff end of tensile anchor 1 is located underground cavern side wall 3, the bracing piece of tensile anchor 1 stretches out underground cavern side wall 3, a plurality of tensile anchor 1 is along the overall length interval arrangement of underground cavern side wall 3, a plurality of tensile anchor 1 is followed footboard 5 lays the direction and arranges in same horizontal plane, tensile anchor 1 is ordinary mortar anchor, the length of tensile anchor 1 is 2.8m ~3.2m, wherein the fixed section length of tensile anchor 1 is 1.6m ~2m, the bracing piece length of tensile anchor 1 is 1.4m, and the interval between the two adjacent tensile anchor 1 is 0.8m ~1.2m, the diameter of tensile anchor 1 is 26mm ~30mm.
The compression anchor rod 2 is inclined to the side wall 3 of the underground cavity, the fixed section of the compression anchor rod 2 is positioned in the side wall 3 of the underground cavity, the supporting section of the compression anchor rod 2 extends out of the side wall 3 of the underground cavity, the compression anchor rod 2 is a common mortar anchor rod, the length of the compression anchor rod 2 is 2.8 m-3.2 m, the fixed section of the compression anchor rod 2 and the supporting section are equal in length and are respectively 1.3 m-1.7 m, the supporting section of the tension anchor rod 1 is far away from the side wall 3 of the underground cavity by 0.8 m-1.2 m and is in welded connection with the tail end of the supporting section of the compression anchor rod 2, and an included angle formed between the compression anchor rod 2 and the tension anchor rod 1 towards one side of the side wall 3 of the underground cavity is 35-45 degrees.
The concrete layer 4 is sprayed concrete, the strength grade is C30, and the sprayed concrete plays a role in supporting the side wall 3 of the underground cavity.
The footboard 5 water tiling is located above the supporting section of tensile stock 1, footboard 5 is the steel sheet, footboard 5 with tensile stock 1 welded connection, the upper surface of footboard 5 is equipped with the ripple, the thickness of footboard 5 is 4mm ~6mm, and the width is 1 ~1.4m, the upper surface of footboard 5 is equipped with the ripple can antiskid.
The ground mat 6 is horizontally laid on the pedal 5, the ground mat 6 is located between the underground cavity side wall 3 and the skirting board 7, the ground mat 6 is a rubber ground mat, the thickness of the ground mat 6 is 9 mm-11 mm, and the width of the ground mat 6 is 0.9 m-1.1 m.
The skirting board 7 is located one side of the guardrail 8, which is close to the side wall 3 of the underground cavity, the inclined stay bar 9 is located on the other side, the lower face of the skirting board 7 is attached to the upper face of the pedal 5, the skirting board 7 is made of stainless steel plates, the thickness of the skirting board 7 is 3.5 mm-4.5 mm, and the height is 190 mm-210 mm.
The guardrail 8 comprises a plurality of horizontal handrails and a plurality of vertical handrails in a crossing way, the vertical handrails are vertically fixed on the upper surface of the pedal 5, the distance between every two adjacent vertical handrails is identical with that of the tensile anchor rod 1, the installation positions of the vertical handrails are in one-to-one correspondence with those of the tensile anchor rod 1, the horizontal handrails are axially distributed along the vertical handrails, the horizontal handrails are vertical to the vertical handrails, the distance between every two adjacent horizontal handrails is 290mm-300 mm, the length of each horizontal handrail is identical with that of the pedal 5, the height of each vertical handrail is 1.4 mm-1.6 mm, and the horizontal handrails and the vertical handrails are stainless steel pipes with diameters of 90 mm-110 mm.
The utility model relates to a large underground cavern high-side wall sidewalk trestle structure, which can be used for communicating two places of a large cavern through sidewalks in construction, and if the height difference between the two places is large, the two places can be connected in a combined mode of steps and inclined sidewalks or a combined mode of horizontal sidewalks and inclined sidewalks.
Based on the description of the utility model and the drawings, a person skilled in the art can easily manufacture or use the large-scale underground cavern high-side wall sidewalk structure of the utility model, and can produce the positive effects described in the utility model.
It is noted that the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the foregoing drawings are intended to cover non-exclusive inclusions. The terms "mounted," "configured," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two mechanisms, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the terms "one end," "another end," "outer side," "inner side," "horizontal," "end," "length," "outer end," "left," "right," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the mechanisms or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. The terms "first," "second," and the like, are also used for simplicity of description only and are not indicative or implying relative importance.
Furthermore, variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed utility model, from a study of the drawings, the disclosure, and the appended claims. Furthermore, in the claims, the specification, the words "comprise", "comprising", and the like do not exclude other elements or steps, and the non-plural terms do not exclude a plurality.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, i.e. all equivalent changes and modifications that may be made in accordance with the present utility model are covered by the appended claims, which are not intended to be construed as limiting.
Claims (7)
1. A large-scale underground cavern high side wall people's way of trestle structure, its characterized in that: the anti-pulling device comprises a plurality of anti-pulling anchor rods (1) fixedly connected with an underground cavity side wall (3) along the length direction of a pedestrian trestle, pedals (5) are paved on the anti-pulling anchor rods (1), the pedals (5) are fixedly connected with guardrails (8), and a plurality of inclined stay bars (9) are fixedly connected between the guardrails (8) and the pedals (5);
the lower sides of the tensile anchor rods (1) are respectively provided with a compression anchor rod (2), the guardrails (8) are positioned above the intersection line of the tensile anchor rods (1) and the compression anchor rods (2), the surface of the side wall (3) of the underground cavity is provided with a concrete layer (4), the upper sides of the pedals (5) are paved with ground mats (6), and the guardrails (8) are fixedly connected with skirting boards (7);
the ground mat (6) is horizontally laid on the pedal (5), the ground mat (6) is located between the underground cavity side wall (3) and the skirting board (7), the ground mat (6) is a rubber ground mat, the thickness of the ground mat (6) is 9-11 mm, and the width of the ground mat is 0.9-1.1 m.
2. A large underground cavern high side wall sidewalk structure as claimed in claim 1, wherein: the utility model provides a tensile stock (1) perpendicular to underground hole room side wall (3), the stiff end of tensile stock (1) is located underground hole room side wall (3), the braced segment of tensile stock (1) stretches out underground hole room side wall (3), a plurality of tensile stock (1) are along the overall length interval arrangement of underground hole room side wall (3), tensile stock (1) is ordinary mortar stock, the length of tensile stock (1) is 2.8m ~3.2m, wherein the dead end length of tensile stock (1) is 1.6m ~2m, the braced segment length of tensile stock (1) is 1m ~1.4m, and the interval between two adjacent tensile stock (1) is 0.8m ~1.2m, the diameter of tensile stock (1) is 26mm ~30mm.
3. A large underground cavern high side wall sidewalk structure as claimed in claim 2, wherein: the compression anchor rod (2) is inclined to the underground cavity side wall (3), the fixed section of the compression anchor rod (2) is located in the underground cavity side wall (3), the supporting section of the compression anchor rod (2) stretches out of the underground cavity side wall (3), the compression anchor rod (2) is a common mortar anchor rod, the length of the compression anchor rod (2) is 2.8 m-3.2 m, the supporting section of the tension anchor rod (1) is away from the underground cavity side wall (3) by 0.8 m-1.2 m and is in welded connection with the tail end of the supporting section of the compression anchor rod (2), and an included angle formed between the compression anchor rod (2) and the tension anchor rod (1) towards one side of the underground cavity side wall (3) is 35-45 degrees.
4. A large underground cavern high side wall sidewalk structure as claimed in claim 1, wherein: the concrete layer (4) is sprayed concrete, and the strength grade is C30.
5. A large underground cavern high side wall sidewalk structure as claimed in claim 1, wherein: the pedal (5) is horizontally laid on the supporting section of the tensile anchor rod (1), the pedal (5) is a steel plate, the pedal (5) is in welded connection with the tensile anchor rod (1), the upper surface of the pedal (5) is provided with waves, the thickness of the pedal (5) is 4 mm-6 mm, and the width of the pedal is 1 m-1.4 m.
6. A large underground cavern high side wall sidewalk structure as claimed in claim 1, wherein: the skirting board (7) is located one side of the guardrail (8) close to the side wall (3) of the underground cavity, the inclined stay bar (9) is located the other side, the lower face of the skirting board (7) is attached to the upper face of the pedal (5), the skirting board (7) is made of stainless steel plates, the thickness of the skirting board (7) is 3.5 mm-4.5 mm, and the height of the skirting board is 190 mm-210 mm.
7. The large underground cavern high side wall sidewalk structure of claim 5, wherein: the guardrail (8) comprises a plurality of horizontal handrails and a plurality of vertical handrails which are crossed, wherein the vertical handrails are vertically fixed on the upper surface of the pedal (5), the distance between every two adjacent vertical handrails is identical to that of the tensile anchor rod (1), the installation positions of the vertical handrails are in one-to-one correspondence with those of the tensile anchor rod (1), the horizontal handrails are axially distributed along the vertical handrails, the horizontal handrails are perpendicular to the vertical handrails, the distance between every two adjacent horizontal handrails is 290mm-300 mm, the length of each horizontal handrail is identical to that of the pedal (5), the height of each vertical handrail is 1.4 mm-1.6 mm, and the horizontal handrails and the vertical handrails are stainless steel pipes with diameters of 90 mm-110 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320166853.7U CN220726377U (en) | 2023-02-09 | 2023-02-09 | Large-scale underground cavern high side wall sidewalk trestle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320166853.7U CN220726377U (en) | 2023-02-09 | 2023-02-09 | Large-scale underground cavern high side wall sidewalk trestle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220726377U true CN220726377U (en) | 2024-04-05 |
Family
ID=90495832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320166853.7U Active CN220726377U (en) | 2023-02-09 | 2023-02-09 | Large-scale underground cavern high side wall sidewalk trestle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220726377U (en) |
-
2023
- 2023-02-09 CN CN202320166853.7U patent/CN220726377U/en active Active
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