CN202144591U - Anchor device pedestal positioned at orifice of anchor hole of highway rock side slope prestressed steel strands - Google Patents
Anchor device pedestal positioned at orifice of anchor hole of highway rock side slope prestressed steel strands Download PDFInfo
- Publication number
- CN202144591U CN202144591U CN201120233269U CN201120233269U CN202144591U CN 202144591 U CN202144591 U CN 202144591U CN 201120233269 U CN201120233269 U CN 201120233269U CN 201120233269 U CN201120233269 U CN 201120233269U CN 202144591 U CN202144591 U CN 202144591U
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- sole plate
- anchor
- steel
- hole
- reinforcement
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Abstract
The utility model relates to an anchor device pedestal positioned at an orifice of an anchor hole of highway rock side slope prestressed steel strands. The anchor device pedestal includes a steel base plate, a steel bearing plate, a reinforcement skeleton, four anchor bolts and poured C30 non-shrink fine concrete, wherein the steel bearing plate and the steel base plate are arranged in an overlaid manner; the anchor bolts are arranged at the four corners of the steel bearing plate and the steel base plate, fixed with the steel bearing plate and the steel base plate, and punched into the side slope rock mass; the reinforcement skeleton and the poured C30 non-shrink fine concrete are arranged between the steel base plate and the side slope rock mass; the anchor hole is punched into the side slope rock mass at the center of the steel base plate and in the direction vertical to the steel base plate; and the tail end of a prestressed steel strand harness sequentially penetrates through a round hole of the steel base plate and a steel strand harness hole of the steel bearing plate, and is locked by an anchor device outside the orifice. The anchor device pedestal has simple structure, high strength, excellent toughness and convenience for installation, forms a stable orifice of the anchor hole, and provides enough support reaction force for the stretching prestressed steel strand harness.
Description
Technical field
The utility model relates to a kind of ground tackle pedestal that is positioned at place, highway rock slope prestress wire anchor hole aperture.
Background technology
In the engineering of excavation highway rock slope, all used anchor cable to reinforce in the past.When slope rock mass is more complete, can directly bore the system anchor hole with hidden hole drilling, open the aperture but need water to bore.When the slope rock mass serious cracking or when comparatively broken, then can't directly punch with drilling machine.Even slope rock mass is more complete, anchor hole can be shaped smoothly, but when the stretch-draw prestressing force steel strand, also ground tackle can't be installed directly at the place, aperture of anchor hole.
The utility model is exactly to these problems, by a kind of ground tackle pedestal of the meticulous development of the inventor.This ground tackle pedestal can carry out local stiffening to the rock mass at boring position, and it can guarantee the smooth brill system of anchor hole, can enough support reactions be provided for the stretch-draw prestressing force steel strand again.
The utility model content
The utility model problem to be solved just provides a kind of simple in structure, is easy to install, and can make anchor hole be able to the system of boring smoothly, and can successfully lock the ground tackle pedestal of prestress steel twist wire harness.
The purpose of the utility model realizes through following technical scheme:
A kind of ground tackle pedestal that is positioned at highway rock slope prestress wire anchor hole aperture place is characterized in that: it includes 1 steel sole plate, 1 billet, 1 cage of reinforcement, 4 anchor bolts and C30 does not have the contraction fine concrete; On the top layer of highway rock slope, at the node place of lattice girder box cut, described steel sole plate is positioned at the position, aperture of anchor hole; The longitudinal central axis line of this steel sole plate and anchor hole is perpendicular, and its lateral surface is in the same plane with the top margin of horizontal lattice girder box cut bottom surface; Described billet is positioned at the outside of this steel sole plate, and pastes mutually with it; At the Si Jiaochu of this billet and steel sole plate, respectively there is an anchor bolt to anchor in the slope rock mass; The tail end of these four anchor bolts passes steel sole plate bolt hole and billet bolt hole successively, and fixes with this billet and steel sole plate; Between described steel sole plate and slope rock mass, be described cage of reinforcement; This cage of reinforcement is interlaced and just intersecting and stackedly constitute by two-layer transverse reinforcement and two-layer vertical reinforcement, and its lateral surface welds with the inboard face of this steel sole plate mutually, and its inboard face pastes with slope rock mass mutually; Between this steel sole plate and slope rock mass, described C30 does not have the fine concrete of contraction and is full of its whole spaces, and whole cage of reinforcement is imbedded wherein; At the position, center of this steel sole plate, be provided with a circular hole, its diameter is identical with the bore of described anchor hole; Described anchor hole passes this circular hole and the C30 that poured into does not have the contraction fine concrete, gets in the slope rock mass, and at the place, place of cage of reinforcement 3, two reinforcing bars in centre of its hole wall and this cage of reinforcement 3 each layers are all tangent; Its tail end of prestress steel twist wire harness of stretch-draw slope rock mass passes from anchor hole, through described steel sole plate and billet, in the outside of billet, is locked by tension ground tackle.
Described steel sole plate is made with a thick square low carbon steel plate of 5mm, and its length of side is 350mm; At the Si Jiaochu of this steel sole plate, the steel sole plate bolt hole that respectively to be provided with a diameter be 21mm, and the distance on each steel sole plate bolt hole to foursquare both sides is 30mm; Be provided with a described circular hole at the position, center of this steel sole plate, the diameter of this circular hole is identical with the bore of described anchor hole.
Described billet is made with a thick square low carbon steel plate of 20mm, and its length of side is 350mm; At the Si Jiaochu of this billet, the billet bolt hole that respectively to be provided with a diameter be 21mm, and the distance on each billet bolt hole to foursquare both sides is 30mm; Be provided with a steel strand beam hole at the position, center of this billet, the diameter of this steel strand beam hole is 80mm.
Described cage of reinforcement uses diameter to make as the plain bar of 12mm, and the length of its every reinforcing bar is all 270mm; This cage of reinforcement is interlaced and just intersecting and stackedly constitute by two-layer transverse reinforcement and two-layer vertical reinforcement, in the intersection of per two reinforcing bars, all implement the bilateral welding, and the length of each face down bonding mouth all is not less than 10mm; Each layer transverse reinforcement has four, and these four transverse reinforcements make up and down symmetrically; The spacing of two transverse reinforcements of top margin and base is 258mm, and the clear distance of middle two transverse reinforcements equals the diameter of described its circular hole of steel sole plate; Each layer vertical reinforcement has four, makes symmetrically about these four vertical reinforcements; The spacing of two vertical reinforcements in the left side and the right is 258mm, and the clear distance of middle two vertical reinforcements equals the diameter of described its circular hole of steel sole plate.
Described cage of reinforcement is welded in the position, center of the inboard face of steel sole plate; In the intersection of this cage of reinforcement and steel sole plate, all make two weld bonds along every transverse reinforcement or vertical reinforcement, and the length of each weld bond all is not less than 20mm.
Described anchor bolt uses diameter to make as the plain bar of 20mm, and its length is 600mm, at car in the long scope of its tail end 60mm screw thread is arranged; At the position, aperture of each anchor hole, all in slope rock mass, anchor into four anchor bolts, its anchorage depth is all 500mm, and the tail end line of these four anchor bolts has constituted a square that the length of side is 290mm; Described steel sole plate and billet stack together, and the bolt hole at its four jiaos places penetrates the tail end of these four anchor bolts respectively; At the tail end of each root anchor bolt, in the inboard of steel sole plate and the outside of billet, all be provided with a nut, these two nuts are clamped this steel sole plate and billet tightly.
The utility model has the advantages that: simple in structure, intensity is high, good toughness, and be convenient to install.When boring the system anchor hole, it can form a stable aperture; When the stretch-draw prestressing force steel strand, it can provide a solid compression member for ground tackle.
Description of drawings
Fig. 1 is that the steel sole plate of the utility model is boring the front schematic view of making anchor hole place installation in position.
Fig. 2 is the front schematic view that forms the anchor hole aperture at its circular hole place of steel sole plate of the utility model.
Fig. 3 is the front schematic view that the prestress steel twist wire harness passes the anchor hole aperture in the utility model.
Fig. 4 is the front schematic view of billet being installed in its outside of steel sole plate of the utility model.
Fig. 5 is the front schematic view at its outside locking prestress wire bundle of billet of the utility model.
Fig. 6 is the floor map of the steel sole plate of the utility model.
Fig. 7 is the floor map of the billet of the utility model.
Fig. 8 is the floor map that the inboard face of cage of reinforcement and the steel sole plate of the utility model welds mutually.
Fig. 9 is the side schematic view that the inboard face of cage of reinforcement and the steel sole plate of the utility model welds mutually.
Figure 10 is the floor map of the cage of reinforcement of the utility model.
Figure 11 is that the cage of reinforcement and the steel sole plate of the utility model boring system anchor hole place side schematic view in place.
Figure 12 is steel sole plate and the slope rock mass side schematic view of anchoring mutually of the utility model.
Figure 13 is that the C30 of the utility model does not have the side schematic view that the contraction fine concrete is poured into the position.
Figure 14 is its vertical section sketch map of anchor hole that passes the utility model.
Figure 15 is the vertical section sketch map at its outside locking prestress wire bundle of billet of the utility model.
Reference numeral
1 steel sole plate, 2 billets, 3 cage of reinforcement, 4 anchor bolts; 5C30 does not have the contraction fine concrete, 6 anchor holes, 7 prestress steel twist wire harness, 8 tension ground tackles; 9 slope rock masses, 10 lattice girder box cuts, 1-1 circular hole, 1-2 steel sole plate bolt hole; 2-1 steel strand beam hole, 2-2 billet bolt hole, 3-1 transverse reinforcement, 3-2 vertical reinforcement.
The specific embodiment
Shown in accompanying drawing 1-15: the utility model includes 3, four anchor bolts of 2, one cage of reinforcement of 1, one billet of a steel sole plate 4 does not have the fine concrete 5 of contraction with the C30 that is poured into a mould.
On the top layer of highway rock slope, the width of lattice girder box cut 10 is 400mm, and the degree of depth is 300mm, and the surface of its bottom surface and highway rock slope parallels.In laterally lattice girder box cut 10 and vertically the node place of lattice girder box cut 10, continue to excavate rock mass inwards, think the utility model space for the creativity is installed.
Steel sole plate 1 all is to use a length of side to make as the square low carbon steel plate of 350mm with billet 2, at the Qi Sijiao place, the bolt hole that respectively to be provided with a diameter be 21mm, and each bolt hole extremely the distance on foursquare both sides be 30mm.The thickness of steel sole plate 1 is 5mm, is provided with a circular hole 1-1 at its position, center, and the diameter of this circular hole 1-1 is identical with the bore of anchor hole 6.The thickness of billet 2 is 20mm, is provided with a steel strand beam hole 2-1 at its position, center, and the diameter of this steel strand beam hole 2-1 is 80mm.
Cage of reinforcement 3 uses diameter to make as the plain bar of 12mm, and the length of its every reinforcing bar is all 270mm.This cage of reinforcement 3 is interlaced and just intersecting and stackedly constitute by two-layer transverse reinforcement 3-1 and two-layer vertical reinforcement 3-2, in the intersection of per two reinforcing bars, all implement the bilateral welding, and the length of each face down bonding mouth all is not less than 10mm.Each layer transverse reinforcement 3-1 has four, and these four transverse reinforcement 3-1 make up and down symmetrically, and the spacing of top margin and the two transverse reinforcement 3-1 in base is 258mm, and the clear distance of middle two transverse reinforcement 3-1 equals the diameter of steel sole plate 1 its circular hole 1-1.Each layer vertical reinforcement 3-2 has four, makes symmetrically about these four vertical reinforcement 3-2, and the spacing of the left side and the two vertical reinforcement 3-2 in the right is 258mm, and the clear distance of middle two vertical reinforcement 3-2 equals the diameter of steel sole plate 1 its circular hole 1-1.
Cage of reinforcement 3 is welded in the position, center on steel sole plate 1 inboard plane.In the intersection of cage of reinforcement 3, all make two weld bonds along every transverse reinforcement 3-1 or vertical reinforcement 3-2, and the length of each weld bond all is not less than 20mm with steel sole plate 1.
Anchor bolt 4 uses diameter to make as the plain bar of 20mm, and its length is 600mm, at car in the long scope of its tail end 60mm screw thread is arranged.At the position, aperture of each anchor hole 6, all in slope rock mass 9, anchor into four anchor bolts 4, its anchorage depth is all 500mm, and the tail end line of these four anchor bolts 4 has constituted a square that the length of side is 290mm.Before steel sole plate 1 is installed, all be screwed into a nut earlier at the tail end of each anchor bolt 4.
Four steel sole plate bolt hole 1-2 of steel sole plate 1 penetrate the tail end of four anchor bolts 4 respectively, and the tail end at each anchor bolt 4 is screwed into a nut more afterwards.In the front and back of steel sole plate 1, adjust two nuts of each root anchor bolt 4, make this steel sole plate 1 perpendicular with the axis of the anchor hole 6 that will bore system, whole steel sole plate 1 is clamped by eight nuts tightly.Steel sole plate 1 its outer side plane of installation in position is in the same plane with the top margin of horizontal lattice girder box cut bottom surface, and the cage of reinforcement 3 that is welded in its inboard plane pastes with slope rock mass 9 mutually.
At the lateral surface of steel sole plate 1, cover a square steel plate that the length of side is 200mm, the circular hole 1-1 of this steel sole plate 1 is carried out shutoff.Between slope rock mass 9 and steel sole plate 1, fill with C30 and do not have the fine concrete 5 of contraction.When the C30 that is poured into do not have shrink fine concrete 5 and reach design strength after, take off the square steel plate that is covered.
At four drift angle places of steel sole plate 1, lay down a nut of each root anchor bolt 4 tail end.In the outside of this steel sole plate 1, billet 2 is installed.The billet bolt hole 2-2 at 2 four jiaos of places of this piece billet penetrates the tail end of four anchor bolts 4 respectively, and the tail end of the prestress steel twist wire harness 7 in the anchor hole 6 passes from the steel strand beam hole 2-1 of this piece billet 2.Each twists a nut again at the tail end of four anchor bolts 4, and this piece billet 2 is fixed.Tension ground tackle 8 is installed in the outside at this billet 2, and prestress steel twist wire harness 7 is carried out stretch-draw.
Claims (6)
1. one kind is positioned at the ground tackle pedestal that highway rock slope prestress wire anchor hole aperture is located, and it is characterized in that: it includes 1 steel sole plate (1), 1 billet (2), 1 cage of reinforcement (3), 4 anchor bolts (4) and C30 does not have contraction fine concrete (5); On the top layer of highway rock slope, at the node place of lattice girder box cut (10), described steel sole plate (1) is positioned at the position, aperture of anchor hole (6); This steel sole plate (1) is perpendicular with the longitudinal central axis line of anchor hole (6), and its lateral surface is in the same plane with the top margin of horizontal lattice girder box cut (10) bottom surface; Described billet (2) is positioned at the outside of this steel sole plate (1), and pastes mutually with it; At the Si Jiaochu of this billet (2) and steel sole plate (1), respectively there is an anchor bolt (4) to anchor in the slope rock mass (9); The tail end of these four anchor bolts (4) passes steel sole plate bolt hole (1-2) and billet bolt hole (2-2) successively, and fixes with this billet (2) and steel sole plate (1); Between described steel sole plate (1) and slope rock mass (9), be described cage of reinforcement (3); This cage of reinforcement (3) is interlaced and just intersecting stacked formation by two-layer transverse reinforcement (3-1) and two-layer vertical reinforcement (3-2), and its lateral surface welds with the inboard face of this steel sole plate (1) mutually, and its inboard face pastes with slope rock mass (9) mutually; Between this steel sole plate (1) and slope rock mass (9), described C30 does not have contraction fine concrete (5) and is full of its whole spaces, and whole cage of reinforcement (3) is imbedded wherein; At the position, center of this steel sole plate (1), be provided with a circular hole (1-1), its diameter is identical with the bore of described anchor hole (6); Described anchor hole (6) passes this circular hole (1-1) and the C30 that is poured into does not have contraction fine concrete (5), gets in the slope rock mass (9), and at the place, place of cage of reinforcement 3, two reinforcing bars in centre of its hole wall and this cage of reinforcement 3 each layers are all tangent; Its tail end of prestress steel twist wire harness (7) of stretch-draw slope rock mass (9) passes from anchor hole (6), and through described steel sole plate (1) and billet (2), the outside in billet (2) is locked by tension ground tackle (8).
2. the ground tackle pedestal that is positioned at place, highway rock slope prestress wire anchor hole aperture according to claim 1 is characterized in that: described steel sole plate (1) is made with a thick square low carbon steel plate of 5mm, and its length of side is 350mm; Si Jiaochu in this steel sole plate (1), the steel sole plate bolt hole (1-2) that respectively to be provided with a diameter be 21mm, and the distance on each steel sole plate bolt hole (1-2) to foursquare both sides is 30mm; Be provided with a described circular hole (1-1) at the position, center of this steel sole plate (1), the diameter of this circular hole (1-1) is identical with the bore of described anchor hole (6).
3. the ground tackle pedestal that is positioned at place, highway rock slope prestress wire anchor hole aperture according to claim 1 is characterized in that: described billet (2) is made with a thick square low carbon steel plate of 20mm, and its length of side is 350mm; Si Jiaochu in this billet (2), the billet bolt hole (2-2) that respectively to be provided with a diameter be 21mm, and the distance on each billet bolt hole (2-2) to foursquare both sides is 30mm; Be provided with a steel strand beam hole (2-1) at the position, center of this billet (2), the diameter of this steel strand beam hole (2-1) is 80mm.
4. the ground tackle pedestal that is positioned at place, highway rock slope prestress wire anchor hole aperture according to claim 1 is characterized in that: described cage of reinforcement (3) uses diameter to make as the plain bar of 12mm, and the length of its every reinforcing bar is all 270mm; This cage of reinforcement (3) is interlaced and just intersecting stacked formation by two-layer transverse reinforcement (3-1) and two-layer vertical reinforcement (3-2), in the intersection of per two reinforcing bars, all implement the bilateral welding, and the length of each face down bonding mouth all is not less than 10mm; Each layer transverse reinforcement (3-1) has four, and these four transverse reinforcements (3-1) make up and down symmetrically; The spacing of two transverse reinforcements in top margin and base (3-1) is 258mm, and the clear distance of middle two transverse reinforcements (3-1) equals the diameter of its circular hole of described steel sole plate (1) (1-1); Each layer vertical reinforcement (3-2) has four, makes symmetrically about these four vertical reinforcements (3-2); The spacing of two vertical reinforcements in the left side and the right (3-2) is 258mm, and the clear distance of middle two vertical reinforcements (3-2) equals the diameter of its circular hole of described steel sole plate (1) (1-1).
5. the ground tackle pedestal that is positioned at place, highway rock slope prestress wire anchor hole aperture according to claim 1, it is characterized in that: described cage of reinforcement (3) is welded in the position, center of the inboard face of steel sole plate (1); In the intersection of this cage of reinforcement (3), all make two weld bonds along every transverse reinforcement (3-1) or vertical reinforcement (3-2), and the length of each weld bond all is not less than 20mm with steel sole plate (1).
6. the ground tackle pedestal that is positioned at place, highway rock slope prestress wire anchor hole aperture according to claim 1; It is characterized in that: described anchor bolt (4) uses diameter to make as the plain bar of 20mm; Its length is 600mm, at car in the long scope of its tail end 60mm screw thread is arranged; At the position, aperture of each anchor hole (6), all in slope rock mass (9), anchor into four anchor bolts (4), its anchorage depth is all 500mm, and the tail end line of these four anchor bolts (4) has constituted a square that the length of side is 290mm; Described steel sole plate and billet stack together, and the bolt hole at its four jiaos places penetrates the tail end of these four anchor bolts (4) respectively; At the tail end of each root anchor bolt (4), in the inboard of steel sole plate and the outside of billet, all be provided with a nut, these two nuts are clamped this steel sole plate and billet tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120233269U CN202144591U (en) | 2011-07-04 | 2011-07-04 | Anchor device pedestal positioned at orifice of anchor hole of highway rock side slope prestressed steel strands |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120233269U CN202144591U (en) | 2011-07-04 | 2011-07-04 | Anchor device pedestal positioned at orifice of anchor hole of highway rock side slope prestressed steel strands |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202144591U true CN202144591U (en) | 2012-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120233269U Expired - Fee Related CN202144591U (en) | 2011-07-04 | 2011-07-04 | Anchor device pedestal positioned at orifice of anchor hole of highway rock side slope prestressed steel strands |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202144591U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452110A (en) * | 2013-08-26 | 2013-12-18 | 浙江博雷重型机床制造有限公司 | Steel stranded wire anchor gear installing device and anchor gear seat of steel stranded wire anchor gear installing device |
| CN104060610A (en) * | 2014-04-30 | 2014-09-24 | 上海长凯岩土工程有限公司 | Anchor-arm static-pressure pile device with self-sufficient pile pressing counter-force and constructing method of anchor-arm static-pressure pile device |
| CN107905188A (en) * | 2017-12-20 | 2018-04-13 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of power station outlet anchor point anchoring process and structure |
| CN112160320A (en) * | 2020-10-30 | 2021-01-01 | 中建五局第三建设有限公司 | Anchor cable pore-forming linear type accurate control method for crack-developed high and steep rock slope |
-
2011
- 2011-07-04 CN CN201120233269U patent/CN202144591U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452110A (en) * | 2013-08-26 | 2013-12-18 | 浙江博雷重型机床制造有限公司 | Steel stranded wire anchor gear installing device and anchor gear seat of steel stranded wire anchor gear installing device |
| CN104060610A (en) * | 2014-04-30 | 2014-09-24 | 上海长凯岩土工程有限公司 | Anchor-arm static-pressure pile device with self-sufficient pile pressing counter-force and constructing method of anchor-arm static-pressure pile device |
| CN104060610B (en) * | 2014-04-30 | 2016-06-01 | 上海长凯岩土工程有限公司 | The anchor jacked pile device of a kind of self-supporting pressure pile reaction and constructional method thereof |
| CN107905188A (en) * | 2017-12-20 | 2018-04-13 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of power station outlet anchor point anchoring process and structure |
| CN107905188B (en) * | 2017-12-20 | 2023-03-14 | 中国电建集团贵阳勘测设计研究院有限公司 | Anchoring method for outlet anchor point of hydropower station |
| CN112160320A (en) * | 2020-10-30 | 2021-01-01 | 中建五局第三建设有限公司 | Anchor cable pore-forming linear type accurate control method for crack-developed high and steep rock slope |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Patent director of Beijing Xinshi road and Bridge Construction Co.,Ltd. Document name: Notice of termination of patent |
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| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120215 Termination date: 20200704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |