CN220908392U - Pumped storage geological exploration supporting structure - Google Patents
Pumped storage geological exploration supporting structure Download PDFInfo
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- CN220908392U CN220908392U CN202322727250.2U CN202322727250U CN220908392U CN 220908392 U CN220908392 U CN 220908392U CN 202322727250 U CN202322727250 U CN 202322727250U CN 220908392 U CN220908392 U CN 220908392U
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- steel arch
- supporting
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 91
- 239000010959 steel Substances 0.000 claims abstract description 91
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- 239000000523 sample Substances 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000005611 electricity Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The utility model discloses a pumped storage geological exploration supporting structure, which comprises a supporting main body, wherein the supporting main body comprises: a plurality of steel arches, connecting elements, reinforcing bar net and lining brickwork. The steel arches are sequentially distributed at intervals, and the shape of each steel arch is matched with the inner wall of the cavity; the connecting component is used for fixedly connecting a plurality of steel arches on the inner wall of the cavity; the steel bar net is arranged between the steel arch and the inner wall of the cavity, and wraps the steel arch; the lining body, the reinforcing mesh and the plurality of steel arches are combined to form a supporting main body. The supporting structure of the technology has the advantages that the supporting main body is formed by adopting the reinforcing mesh, the steel arch and the lining masonry, the supporting main body has excellent structural performance, the reliability and the stability of the supporting main body are good, the supporting effect is good, and the requirements of most of geological inspection of the exploratory holes can be met.
Description
Technical Field
The utility model relates to a supporting structure, in particular to a pumped storage geological exploration supporting structure.
Background
A pumped storage power station, also called an energy storage type hydropower station, is a hydropower station which pumps water to an upper reservoir by utilizing electric energy in the process of low electricity load and discharges water to a lower reservoir to generate electricity in the process of high electricity load. The pumped storage power station consists of upper reservoir, lower reservoir, water conveying system, underground workshop, switch station and other building. In order to provide geological basis for optimizing or comparing and selecting tunnel lining forms, determining the position and axial direction of an underground plant, comparing the position of a high-pressure branch pipe and the like, a main hole is arranged near a tail water tunnel of a water delivery power generation system in a feasibility research stage, and branch holes are arranged at the position of the initially planned underground plant so as to find out engineering geological conditions of the position of the water delivery power generation system.
Most tunnels of the exploratory holes adopt urban gate-type sections, and the sections are different in size according to different service performances. At present, the adopted exploratory hole with smaller section usually adopts full section excavation, the support is simpler, and the steel arch frame is adopted to combine with some other support measures for temporary support so as to ensure construction safety.
However, with the different geological environments, simple steel arch supports have been difficult to meet the needs of use.
Disclosure of utility model
In order to overcome the technical defects, the utility model provides a pumped storage geological exploration supporting structure.
In order to solve the problems, the utility model is realized according to the following technical scheme:
The utility model relates to a pumped storage geological exploration supporting structure, which comprises a supporting main body, wherein the supporting main body comprises:
The steel arches are sequentially distributed at intervals, and the shape of each steel arch is matched with the inner wall of the cavity;
The connecting component is used for fixedly connecting the plurality of steel arches on the inner wall of the cavity;
The steel bar net is arranged between the steel arch and the inner wall of the cavity, and wraps the steel arch;
And the lining body is combined with the reinforcing mesh and the plurality of steel arches to form a supporting main body.
Preferably, the steel arch is formed by splicing a plurality of sections 120a of I-steel.
Preferably, the connection member includes:
The anchor rods are buried in the inner wall of the cavity, the anchor rods are provided with an end part which is exposed outside and penetrates through the reinforcing mesh, the end part of each anchor rod is provided with a base plate and a fastening sleeve, the fastening sleeve is sleeved on each anchor rod and welded and fixed with the anchor rods, and the base plates and the fastening sleeves are buried in the lining masonry;
The stirrups are U-shaped, the stirrups are sleeved on the steel arch, and the stirrups are buried into the inner wall of the cavity.
Preferably, one steel arch is sleeved with at least 5 stirrups, two stirrups are respectively positioned at the bottoms of two sides of the steel arch, the other two stirrups are respectively positioned at the middle parts of two sides of the steel arch, and the last stirrup is positioned at the top of the steel arch.
Preferably, adjacent steel arches are connected by a plurality of reinforcing rods, wherein the reinforcing rods are round steel welded on webs of the adjacent two steel arches.
Preferably, the pumped storage geological exploration supporting structure is provided with a ballast cushion layer at the bottom of the supporting main body, and the ballast cushion layer is covered on the bottom of the cavity.
Preferably, the ballast bed layer is provided with a drainage ditch.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model provides a pumped storage geological exploration supporting structure, which comprises a supporting main body, wherein the supporting main body comprises: a plurality of steel arches, connecting elements, reinforcing bar net and lining brickwork. The steel arches are sequentially distributed at intervals, and the shape of each steel arch is matched with the inner wall of the cavity; the connecting component is used for fixedly connecting a plurality of steel arches on the inner wall of the cavity; the steel bar net is arranged between the steel arch and the inner wall of the cavity, and wraps the steel arch; the lining body, the reinforcing mesh and the plurality of steel arches are combined to form a supporting main body.
The supporting structure of the technology has the advantages that the supporting main body is formed by adopting the reinforcing mesh, the steel arch and the lining masonry, the supporting main body has excellent structural performance, the reliability and the stability of the supporting main body are good, the supporting effect is good, and the requirements of most of geological inspection of the exploratory holes can be met. Simultaneously, the technology reinforces the steel arches on the side walls of the exploratory holes through the connecting parts, thereby enhancing the stability of each steel arch; the whole construction of the supporting structure is very simple, the construction quality is easy to ensure, and the supporting effect is good.
Drawings
The utility model is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a specific structural diagram of a pumped storage geological probe supporting structure of the utility model;
FIG. 2 is a combined structural view of a steel arch, connecting members and reinforcing mesh of a pumped storage geological probe supporting structure of the utility model;
FIG. 3 is a combined schematic view of a steel arch and mesh reinforcement of a pumped storage geological probe support of the present utility model;
FIG. 4 is a schematic illustration of a combination of two steel arches of a pumped storage geological probe support of the present utility model;
FIG. 5 is a schematic illustration of the structure of a stirrup of a pumped storage geological probe support of the present utility model;
In the figure:
10-steel arches and 11-reinforcing rods;
20-connecting parts, 21-anchor rods and 22-stirrups;
30-a reinforcing mesh;
40-lining masonry;
50-stone slag cushion layer.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
As shown in figures 1-5, the utility model relates to a preferable structure of a pumped storage geological probe supporting structure.
As shown in fig. 1, the pumped storage geological exploration supporting structure comprises a supporting main body and a stone slag cushion layer 50, wherein the supporting main body is formed in a cavity of the exploration, and is used for supporting, reinforcing and protecting the side wall and the surrounding environment of the exploration in order to ensure the construction safety of the underground structure. And the stone slag cushion layer is paved at the bottom of the exploratory hole and covers the bottom of the cavity to form a walking channel for personnel and related equipment.
In a preferred implementation, the ballast bed is provided with a drainage ditch. By reserving a groove between the stone slag cushion layer and one side of the supporting main body, a drainage ditch is formed, water is prevented from being concentrated on the stone slag cushion layer, and drainage is facilitated.
As shown in fig. 2, the supporting body includes a plurality of steel arches 10, connection members 20, reinforcing mesh 30, and lining bodies 40. The steel arches are sequentially distributed at intervals, and the shape of each steel arch is matched with the inner wall of the cavity; the connecting component is used for fixedly connecting a plurality of steel arches on the inner wall of the cavity; the steel bar net is arranged between the steel arch and the inner wall of the cavity, and wraps the steel arch; the lining body, the reinforcing mesh and the plurality of steel arches are combined to form a supporting main body.
The supporting structure of the technology has the advantages that the supporting main body is formed by adopting the reinforcing mesh, the steel arch and the lining masonry, the supporting main body has excellent structural performance, the reliability and the stability of the supporting main body are good, the supporting effect is good, and the requirements of most of geological inspection of the exploratory holes can be met. Simultaneously, the technology reinforces the steel arches on the side walls of the exploratory holes through the connecting parts, thereby enhancing the stability of each steel arch; the whole construction of the supporting structure is very simple, the construction quality is easy to ensure, and the supporting effect is good.
In one implementation, the steel arch is formed by splicing multiple sections of 120a I-steel. And a connecting flange is welded at the end part of each I-steel, and adjacent I-steels are connected through high-strength bolts.
Specifically, the steel arch frame is spliced by 5 sections of I-steel with different radians, and comprises two bottom I-steel, two middle I-steel and one top I-steel.
In a preferred embodiment, adjacent steel arches are connected by a plurality of reinforcing rods, which are round steel welded to the webs of the adjacent two steel arches, in order to further increase the stability and reliability of the overall structure of the supporting body. Through this design, connect a plurality of steel arches into an integral steel construction by many reinforcing rods, improve the supporting effect.
In a preferred implementation, the connection member comprises:
The anchor rods 21 are buried in the inner wall of the cavity, the anchor rods are provided with an end part which is exposed outside and penetrates through the reinforcing mesh, the end part of each anchor rod is provided with a base plate and a fastening sleeve, the fastening sleeve is sleeved on the anchor rods and welded and fixed with the anchor rods, and the base plates and the fastening sleeves are buried in the lining masonry;
the stirrups 22 are U-shaped, are sleeved on the steel arch, and are buried in the inner wall of the cavity.
Wherein, 5 stirrups have been cup jointed at least to a steel bow member, and two stirrups are located the both sides bottom of steel bow member respectively, and two other stirrups are located the both sides middle part of steel bow member respectively, and last stirrup is located the top of steel bow member.
In one implementation, the anchor rods and stirrups are buried at least 1700mm in length inside the chamber.
In one implementation, the anchor rods and stirrups each employ threaded rods. And the construction modes of the anchor rods and stirrups are the prior art in the field. The fastening sleeve and the backing plate are also known in the art and will not be described in any greater detail herein. The stirrups are mainly used for stably fixing the steel arch on the side wall of the cavity in the early stage of construction, and the anchor rods are used for being tightly combined with the lining body in the early and later stages of construction to form a firm supporting main body structure.
In one implementation, the lining body may be formed by spraying concrete, using a C25 concrete material. In another preferred implementation, a composite lining may also be used. The utility model is not limited in any way.
Other structures of a pumped storage geological probe support structure described in this embodiment are referred to in the prior art.
The present utility model is not limited to the preferred embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical principles of the present utility model are within the scope of the technical proposal of the present utility model.
Claims (7)
1. The utility model provides a pumped storage geology probe hole supporting construction which characterized in that, including the supporting main part, the supporting main part includes:
The steel arches are sequentially distributed at intervals, and the shape of each steel arch is matched with the inner wall of the cavity;
The connecting component is used for fixedly connecting the plurality of steel arches on the inner wall of the cavity;
The steel bar net is arranged between the steel arch and the inner wall of the cavity, and wraps the steel arch;
And the lining body is combined with the reinforcing mesh and the plurality of steel arches to form a supporting main body.
2. A pumped storage geological probe support structure as claimed in claim 1, wherein:
The steel arch is formed by splicing a plurality of sections of 120a I-steel.
3. A pumped storage geological probe support as claimed in claim 1, wherein said connecting means comprises:
The anchor rods are buried in the inner wall of the cavity, the anchor rods are provided with an end part which is exposed outside and penetrates through the reinforcing mesh, the end part of each anchor rod is provided with a base plate and a fastening sleeve, the fastening sleeve is sleeved on each anchor rod and welded and fixed with the anchor rods, and the base plates and the fastening sleeves are buried in the lining masonry;
The stirrups are U-shaped, the stirrups are sleeved on the steel arch, and the stirrups are buried into the inner wall of the cavity.
4. A pumped storage geological probe support as claimed in claim 3, wherein:
One steel arch is sleeved with at least 5 stirrups, two stirrups are respectively positioned at the bottoms of two sides of the steel arch, the other two stirrups are respectively positioned at the middle parts of two sides of the steel arch, and the last stirrup is positioned at the top of the steel arch.
5. A pumped storage geological probe support as claimed in any one of claims 1 to 4, wherein:
The adjacent steel arches are connected through a plurality of reinforcing rods, and the reinforcing rods are round steel welded on webs of the two adjacent steel arches.
6. A pumped storage geological probe support as claimed in any one of claims 1 to 4, wherein:
The pumped storage geological exploration supporting structure is characterized in that a stone slag cushion layer is arranged at the bottom of the supporting main body, and the stone slag cushion layer covers the bottom of the cavity.
7. The pumped storage geological probe supporting structure according to claim 6, wherein:
The ballast cushion layer is provided with a drainage ditch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322727250.2U CN220908392U (en) | 2023-10-11 | 2023-10-11 | Pumped storage geological exploration supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322727250.2U CN220908392U (en) | 2023-10-11 | 2023-10-11 | Pumped storage geological exploration supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220908392U true CN220908392U (en) | 2024-05-07 |
Family
ID=90910974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322727250.2U Active CN220908392U (en) | 2023-10-11 | 2023-10-11 | Pumped storage geological exploration supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220908392U (en) |
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2023
- 2023-10-11 CN CN202322727250.2U patent/CN220908392U/en active Active
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