CN2216591Y - Fibre reinforced cement supporting & shielding product for underground engineering - Google Patents
Fibre reinforced cement supporting & shielding product for underground engineering Download PDFInfo
- Publication number
- CN2216591Y CN2216591Y CN 92242249 CN92242249U CN2216591Y CN 2216591 Y CN2216591 Y CN 2216591Y CN 92242249 CN92242249 CN 92242249 CN 92242249 U CN92242249 U CN 92242249U CN 2216591 Y CN2216591 Y CN 2216591Y
- Authority
- CN
- China
- Prior art keywords
- supporting
- rectangular recess
- prefabricated component
- bolthole
- arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a fibre reinforced cement supporting and shielding product for underground projects, which is suitable for the supporting and the shielding of coal mines, metal mines, railways, and tunnels or lanes of hydraulic projects. The utility model has a section arc-shaped ring structure. The utility model comprises a vertical prefabricated part (1), a side arc prefabricated part (2), an arc top prefabricated part (3), and a supporting and shielding back plate (4). The vertical prefabricated part (1), the side arc prefabricated part (2), and the arc top prefabricated part (3) has a plurality of symmetrical rectangle-shaped grooves and holes for arranging anchor rods to reduce the weight of prefabricated products and improve the strength of the prefabricated products to take convenience for installation. When the utility model is used for prefabricating supporting and shielding products, the labor condition of workers can be improved, the waste of materials can be reduced, and the construction efficiency can be enhanced.
Description
The utility model belongs to a kind of fibre reinforced cement goods, is applicable to the tunnel or the tunnel support of colliery, metallic ore, railway and hydraulic engineering.
At present in underground engineering support, widespread usage metal and nonmetal two big class support materials both at home and abroad.Metal material has various forms of metallic supports and anchor pole, nonmetals have the support material of timber, stone material and concrete or steel concrete, as timbering, work stone lining, reinforced concrete support, cast-in-situ concrete lining and sprayed mortar etc., in order to improve concrete performance, begun one's study in recent years and used reinforcing materials such as mixing steel fibre, but all only be applied in the pouring concrete in-situ.
The purpose of this utility model is the prefabricated fibre reinforced cement goods in a kind of ground of design, can be directly used in the supporting of underground passage, make the operation of underground construction concrete on-spot injection reform fibre reinforced cement goods installation exercise into, accelerate speed of application, improve the mixed economy technical benefits.
The fibre reinforced cement underground engineering support goods of the utility model design are made of vertical prefabricated component, side arc prefabricated component, vault prefabricated component and supporting backboard, assemble to form segmentation arch ring structure, are used for tunnel or tunnel support.
Vertically prefabricated component, side arc prefabricated component, vault prefabricated component have the rectangular recess of a plurality of symmetries and have the anchor pole installing hole, to alleviate the weight of prefabrication, improve its intensity and are convenient to and install.
Vertically prefabricated component is the rectangle floor, has six rectangular recess and a bolthole, and bolthole is between its four rectangular recess and other two grooves.Side arc prefabricated component is the arc floor, has six rectangular recess, a bolthole and anchor pole half hole, and bolthole is between its four rectangular recess and other two grooves, and anchor pole half hole is positioned on the termination of side of its four rectangular recess; The vault prefabricated component has four rectangular recess and a bolthole, and bolthole is positioned at the central authorities of four rectangular recess.The supporting backboard is the thin type flat board.
Its manufacturing materials mainly is glass fiber reinforced cement (comprising cement mortar), also can adopt vinylon fibre or steel fibre to strengthen, and in addition, can also be that glass fiber strengthens ferrocement or cement mortar.Its material mixture ratio can be adjusted according to different structure needs, as when using the glass fiber reinforced cement mortar, its material can be with non-twist coarse sand alkali resistant glass fiber, various low basicity high-early (strength) cements and river sand, and add an amount of Admixture with denseness of regulating mortar and the physical and mechanical property that improves certain special requirement.
These fibre reinforced cement underground engineering support goods, can replace the sprayed mortar field operation, sprayed concrete of substructure work operation dust concentration substantially exceeds regulation at present, so that has every year many workmans to suffer from anthraco-silicosis, and has workman quite a lot therefore to be seized life.Adopt the prefabricated supporting goods of fibre reinforced cement, can make the operation of underground construction on-spot injection change the installation of prefabricated component into, not only improved workman's condition of labor, reduce waste of material, and improved efficiency of construction, also because the fibre reinforced cement goods have flexural strength and the toughness more much higher than ordinary concrete, therefore in light weight, save material, manufacture conveniently, higher technical economic benefit is arranged.
Fig. 1 a, Fig. 1 b, Fig. 1 c, Fig. 1 d, Fig. 1 e are respectively A view, B view, C sectional drawing, I-I sectional drawing and the II-II sectional drawing of vault preform
Fig. 2 a, Fig. 2 b, Fig. 2 c, Fig. 2 d, Fig. 2 e are respectively A view, B view, B sectional drawing, I-I sectional drawing and the II-II sectional drawing of side arc preform
Fig. 3 a, Fig. 3 b, Fig. 3 c are respectively A view, sectional side view and the termination sectional drawing of vertical preform
Fig. 4 a, Fig. 4 b, the elevation that is respectively the supporting backboard and lateral view
The utility model is further described with embodiment below in conjunction with accompanying drawing:
The fibre reinforced cement underground engineering support goods that the utility model proposes comprise vertical prefabricated component (1), side arc prefabricated component (2), vault prefabricated component (3) and supporting backboard (4), as Fig. 1-shown in Figure 4.Become the composite member of multiple prefabrication form according to underground construction various different sections tunnel or Tunnel Design.Vertically prefabricated component (1), side arc prefabricated component (2), vault prefabricated component (3) are floor heavier-duty structure.Vertically prefabricated component (1) is the rectangle floor, has six rectangular recess (5) and a bolthole (6), and bolthole (6) is between its four rectangular recess and other two grooves; Side arc prefabricated component (2) is the arc floor, have six rectangular recess (5), a bolthole (6) and anchor pole half hole (7), bolthole (6) is between its four rectangular recess and other two grooves, and anchor pole half hole (7) is positioned on the termination of a side of its four rectangular recess; Vault prefabricated component (3) has four rectangular recess (5) and a bolthole (6), and bolthole is positioned at the central authorities of four rectangular recess; The supporting backboard is the thin type flat board.
Claims (1)
1, a kind of fibre reinforced cement underground engineering support goods, it is characterized in that: this supporting goods are segmentation arch ring structure, comprise vertical prefabricated component (1), side arc prefabricated component (2), vault prefabricated component (3) and supporting backboard (4); Vertically prefabricated component (1) is the rectangle floor, has six rectangular recess (5) and a bolthole (6), and bolthole (6) is between its four rectangular recess and other two grooves; Side arc prefabricated component (2) helps plate for arc, have six rectangular recess (5), a bolthole (6) and anchor pole half hole (7), bolthole (6) is between its four rectangular recess and other two grooves, and anchor pole half hole (7) is positioned on the termination of a side of its four rectangular recess; Vault prefabricated component (3) is the arc floor, has four rectangular recess (5) and a bolthole (6), and bolthole (6) is positioned at the central authorities of four rectangular recess; Supporting backboard (4) is the thin type backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92242249 CN2216591Y (en) | 1992-12-01 | 1992-12-01 | Fibre reinforced cement supporting & shielding product for underground engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92242249 CN2216591Y (en) | 1992-12-01 | 1992-12-01 | Fibre reinforced cement supporting & shielding product for underground engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2216591Y true CN2216591Y (en) | 1996-01-03 |
Family
ID=33782101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92242249 Expired - Fee Related CN2216591Y (en) | 1992-12-01 | 1992-12-01 | Fibre reinforced cement supporting & shielding product for underground engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2216591Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174443A (en) * | 2013-03-27 | 2013-06-26 | 山东大学 | Positioning device and positioning method applied to prefabricate anchor rod in underground construction model test |
-
1992
- 1992-12-01 CN CN 92242249 patent/CN2216591Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174443A (en) * | 2013-03-27 | 2013-06-26 | 山东大学 | Positioning device and positioning method applied to prefabricate anchor rod in underground construction model test |
| CN103174443B (en) * | 2013-03-27 | 2015-04-22 | 山东大学 | Positioning device and positioning method applied to prefabricate anchor rod in underground construction model test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |