CN201209292Y - Anchorage special for combination corrugation changing fibre sheet material - Google Patents
Anchorage special for combination corrugation changing fibre sheet material Download PDFInfo
- Publication number
- CN201209292Y CN201209292Y CNU2008200533896U CN200820053389U CN201209292Y CN 201209292 Y CN201209292 Y CN 201209292Y CN U2008200533896 U CNU2008200533896 U CN U2008200533896U CN 200820053389 U CN200820053389 U CN 200820053389U CN 201209292 Y CN201209292 Y CN 201209292Y
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- anchor shell
- outer anchor
- intermediate plate
- shell
- sheet material
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Abstract
The utility model relates to a combined-type dedicated anchor for fiber sheets of variable corrugations, a square locking hole is arranged inside the outer anchor shell of the combined-type dedicated anchor, the upper and the lower corrugated clamped sheets in the clamped sheets of variable corrugations are all arranged inside the square locking hole, the upper top of the square locking hole is provided with an array of stress bolts to suspend the upper corrugated clamped sheets on the upper top of the square locking hole of the outer anchor shell, a flat penetrating hole is arranged inside the outer anchor shell, a push-pull device is connected between the opposite sides of the flat holes of the two outer anchor shells to form a unit outer anchor shell, the unit outer anchor shell on one end of the push-pull device is a pre-anchoring end and the other end is a pre-modulating end. A technical proposal is adopted that the outer anchor shell is fixedly connected with an anchoring end of a box girder and the unit outer anchor shell is fixedly connected with the tensile end of the box girder. The utility model overcomes the defects that the prestressed fiber sheets are easy to peel off, the intensity utilization is low, the clamping force of the anchor is uneven and easy to relax, and the tensile device is high in cost and complicated in operation. The utility model relates to a dedicated anchor applicable to concrete box girders, steel girders, and the like to achieve external prestress enhancement and applicable to prior engineering components to achieve reinforcement.
Description
Technical field
The utility model relates to the prestress anchoraging and the tensioning equipment of building, bridge construction member, particularly a kind of combined variable-corrugated fiber sheets Special ground tackle.
Background technology
At present, transformation that there are many constructions in China because a variety of causes needs reinforcement, and more or less all there are some defectives in some reinforcement means commonly used that adopted.Therefore, constantly explore the research focus that more effective, more reasonable, more economical reinforcement means and reinforcement material become current field of civil engineering.In recent years, the fibre sheet material composite material has tensile strength height, light weight, antifatigue and characteristics such as corrosion-resistant with it and is introduced in building, bridge construction field of reinforcement and has obtained extensive use rapidly.The fibre sheet material composite material is as the desirable reinforcement material of structural element, simultaneously also have easy construction, to advantages such as former member section increment are little, but simply paste high strength fibre cloth in component surface, have only when reinforced structure member secondary load-bearing, when further deforming, high strength fibre cloth could participate in stressed, simultaneously, this reinforcing mode is to the adjustment of the rigidity of structural element, distortion and to improve effect very limited, and consolidation effect also is limited by construction technology and condition.Comparatively speaking, fibre sheet material composite material pre-stress reinforcement means can improve the above-mentioned conventional fiber cloth reinforced shortcoming of pasting to a great extent.But use fibre sheet material composite material pre-stress reinforcement means, also there is deficiency in its anchoring, at first be to set up prestressed tensioner to fibre reinforced composites (being called for short FRP), and its equipment complexity, complex operation step and tonnage are low; Next is that can the anchorage style of FRP (fibre reinforced composites) sheet material be directly connected to consolidation effect and realize, because fibre sheet material self shear behavior is relatively poor, prestressing force can cause the shear stress concentration of FRP sheet material end, thereby cause the easy and concrete binding interface generation stripping damage of FRP sheet material, consolidation effect is difficult to guarantee.And tensioner equipment manufacturing cost height, the actual inconvenience of using needs bigger work plane, and the stretch-draw effect is difficult to guarantee that the fibre sheet material rate of utilization of strength is still not high.
In addition, China's utility model patent notice of authorization number discloses mainly by last for CN 2594357Y " high strength composite waveform toothholder tool anchor ", following waveform tooth plate, put more energy into corrugated sheet and compressing and technical scheme that locking device etc. is formed, its weak point is very inconvenient when it adopts the stretch-draw of subsection tension method, because flat formula jack will lean on the stretch-draw end, following ripple intermediate plate, stressed even in the time of could realizing stretch-draw, be pressed on the fibre sheet material and will go up the ripple intermediate plate, then when jack tension, because the gravity of last ripple intermediate plate itself, to make the fibre sheet material damage bigger, the stretch-draw effect is bad.Also having Chinese invention patent Shen Qing Publication manual/publication number CN 101074578A " wedged variable-corrugated clip type fibre sheet material Special ground tackle " to disclose it is connected and composed through high-strength bolt by pressure cover, wedged variable-corrugated intermediate plate and outer anchor shell, the wedged variable-corrugated intermediate plate of last ripple intermediate plate and the superimposed composition of following ripple intermediate plate is inserted in the wedge-shaped impression of outer anchor shell, pressure cover is the anchor shell outside high-strength bolt connects, pressure is stamped boss and leans wedged variable-corrugated intermediate plate end face, and pressure cover and outer anchor shell opposite position place have rectangular flat hole respectively.It utilizes the principle of the frictional force self-locking between fibre sheet material and the wedged variable-corrugated intermediate plate and the pressure cover thrust to wedged variable-corrugated intermediate plate, with the reliable clamping of fibre sheet material and be anchored on the outer anchor shell.Also very inconvenient when it adopts the stretch-draw of subsection tension method, when it was used for the stretch-draw end, upper and lower ripple intermediate plate had damage to fibre sheet material.During second stretch-draw,, operate also more loaded down with trivial detailsly, fibre sheet material is had damage because the principle of frictional force self-locking between the wedged variable-corrugated intermediate plate will be unclamped relatively difficulty of upper and lower ripple intermediate plate.
Summary of the invention
At above-mentioned situation; the purpose of this utility model provides a kind of combined variable-corrugated fiber sheets Special ground tackle; it is simple in structure, adapts to widely, and cost is lower; fibre sheet material rate of utilization of strength height; can protect fibre sheet material injury-free again, and good integrity during stretch-draw, working service is easy; the anchoring clamping is convenient, and clamping power evenly, reliably.
For solving above-mentioned task, a kind of combined variable-corrugated fiber sheets Special ground tackle, it comprises outer anchor shell, become the ripple intermediate plate, the pressure bolt, vertically be provided with the locking square hole in its outer anchor shell, the last ripple intermediate plate and the following ripple intermediate plate that become in the ripple intermediate plate all are arranged in the locking square hole, locking square hole upper top is established array pressure bolt, the locking square hole upper top of last ripple intermediate plate anchor shell outside the activity of pressure bolt fixedly hangs on, establish the flat cylindrical void that runs through in the outer anchor shell perpendicular to the locking square hole, connect a top between the flat cylindrical void offside of two outer anchor shells and draw the outer anchor shell of device component units, its top draws that the anchor shell is pre-anchor end outside the unit of device one end, and the anchor shell is the preset end outside the unit of the other end.
For implementation structure optimization, its concrete measure is:
Flat cylindrical void is radiation shape from inside to outside.
It is that device is drawn on the hydraulic drive type top that device is drawn on the top.
The top draws device to draw device for manpower drive-type top.
The pressure bolt is established more than three groups.
Further step for achieving the above object is:
A kind of prestressed stretch-draw of combined variable-corrugated fiber sheets Special ground tackle, getting case beam 6 one ends is anchored end, and getting case beam 6 other ends is the stretch-draw end, and outer anchor shell 1 is fixed on the anchored end of case beam 6, and anchor shell 5 is fixed on the stretch-draw end of case beam 6 outside the unit; During stretch-draw, one side of outer anchor shell 1 is embedded on the support diaphragm of case beam 6 anchored end, one end of fibre sheet material 7 is inserted in the change ripple intermediate plate 2 in the outer anchor shell 1 locking square hole 11, make fibre sheet material 7 touch down the last corrugated surface of ripple intermediate plate 22, adjustment hangs on the following corrugated surface of last ripple intermediate plate 21 of outer anchor shell 1 locking square hole 11 upper tops to the upper surface that contacts fibre sheet material 7, regulate pressure bolt 3 then, make that pressure bolt 3 is stressed to compress fibre sheet material 7 through becoming ripple intermediate plate 2; Fibre sheet material 7 other ends after the anchoring penetrate change ripple intermediate plate 2 in the pre-anchor ends locking of case beam 6 bodies anchor shell 5 to the case beam 6 stretch-draw end units square holes 11, pass the top again draws in the interior change ripple intermediate plate 2 of device 4 anchor shell 5 preset ends locking square hole 11 to the unit, make fibre sheet material 7 touch down the last corrugated surface of ripple intermediate plate 22 equally, adjustment hangs on the following corrugated surface of last ripple intermediate plate 21 of outer anchor shell 1 locking square hole 11 upper tops to the upper surface that contacts fibre sheet material 7, regulate pressure bolt 3 then, make that pressure bolt 3 is stressed to compress fibre sheet material 7 through becoming ripple intermediate plate 2.
The utility model adopts in the outer anchor shell and vertically establishes the locking square hole, locking square hole upper top is established array pressure bolt, the locking square hole upper top of last ripple intermediate plate anchor shell outside the activity of pressure bolt fixedly hangs on, establish the flat cylindrical void that runs through in the outer anchor shell perpendicular to the locking square hole, connect a top between the flat cylindrical void offside of two outer anchor shells and draw the outer anchor shell of device component units, its top draws that the anchor shell is pre-anchor end outside the unit of device one end, the anchor shell is that to get case beam one end be anchored end for preset end and employing outside the unit of the other end, getting the case beam other end is the stretch-draw end, outer anchor shell is fixed on the anchored end of case beam, and the anchor shell is fixed on the stretch-draw end of case beam outside the unit; During stretch-draw, a side of outer anchor shell is embedded on the support diaphragm of case beam anchored end, an end of fibre sheet material is inserted in the change ripple intermediate plate in the outer anchor shell locking square hole, and compresses fibre sheet material; The fibre sheet material other end after the anchoring penetrates change ripple intermediate plate in the pre-anchor end of case beam body anchor shell to the box girder tensioning end unit locking square hole, pass the top again draws device technical scheme in the change ripple intermediate plate in the anchor shell preset end locking square hole to the unit, has overcome the pre-stress fibre sheet material and has reinforced that stripping damage takes place easily in stressed back, the fibre sheet material rate of utilization of strength is not high and ground tackle clamping power is inhomogeneous and be easy to lax and the defective of pre-stress fibre sheet material tensioner equipment cost height, use inconvenience, complex operation step etc.
The beneficial effect that the utility model is produced compared to existing technology: (I) rational in infrastructure, good integrity, stripping damage can not take place in fibre sheet material after reinforcing is stressed; (II) anchoring, clamping are reliable, wide accommodation; (III) can carry out repeatedly stretch-draw and stretch-draw quick, clamping power evenly, reliable; (IV) anchoring, clamping are conveniently used, are safeguarded easily, can also protect fibre sheet material injury-free, and fibre sheet material rate of utilization of strength height is cheap, the cost performance height.
It is widely used in the Special ground tackle that Engineering Structure Component such as concrete box girder, girder steel realize that external prestressing strengthens, and also can be widely used in the Special ground tackle that existing Engineering Structure Component realizes reinforcing.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the front view of combined variable-corrugated fiber sheets Special ground tackle and prestressed stretch-draw thereof.
Fig. 2 is the stereogram that shows outer anchor shell among Fig. 1, becomes ripple intermediate plate, pressure bolt.
Fig. 3 is outer anchor shell of Fig. 2 and the A-A view in transverse section that becomes ripple intermediate plate, pressure bolt thereof.
Fig. 4 shows among Fig. 1 to push up the stereogram that draws device.
Among the figure: 1, outer anchor shell, 11, the locking square hole, 12, flat cylindrical void, 2, become the ripple intermediate plate, 21, go up the ripple intermediate plate, 22, ripple intermediate plate down, 3, the pressure bolt, 4, the top draws device, 5, anchor shell outside the unit, 6, the case beam, 7, fibre sheet material.
The specific embodiment
Referring to accompanying drawing 1-4, the utility model combined variable-corrugated fiber sheets Special ground tackle, it comprises outer anchor shell 1, become ripple intermediate plate 2, pressure bolt 3, vertically offer locking square hole 11 in its outer anchor shell 1, in the locking square hole 11 the change ripple intermediate plate 2 that comprises ripple intermediate plate 21 and following ripple intermediate plate 22 is set, locking square hole 11 upper tops of outer anchor shell 1 are laid with three groups with upward pressure bolt 3, it is movable fixing that pressure bolt 3 will be gone up ripple intermediate plate 21 by the bolt hole of locking square hole 11 upper top correspondences, hang on locking square hole 11 upper tops of outer anchor shell 1,22 of following ripple intermediate plates are fixed on locking square hole 11 lower bottom parts.In the outer anchor shell 1 perpendicular to locking square hole 11 a flat cylindrical void 12 that runs through is set, hung badly or cut off by flat cylindrical void 12 in anchoring, stretching process in order to prevent fibre sheet material 7, flat cylindrical void 12 is increased, reach the contact surface that dwindles fibre sheet material 7 and flat cylindrical void 12, scope of activities when making fibre sheet material 7 tensions increases, so the shape of flat cylindrical void 12 is to be radiation shape from inside to outside.Connect hydraulic drive type top between flat cylindrical void 12 offsides of two outer anchor shells 1 and draw device 4 or manpower drive-type top to draw the outer anchor shell 5 of device 4 component units, its top draws the outer anchor shell 5 in the unit of device 4 one ends to be pre-anchor end, and anchor shell 5 is the preset end outside the unit of the other end.Pre-anchor end and case beam 6 stretch-draw ends are connected and fixed.
Referring to accompanying drawing, the prestressed stretch-draw of the utility model combined variable-corrugated fiber sheets Special ground tackle, getting case beam 6 one ends is anchored end, getting case beam 6 other ends is the stretch-draw end, outer anchor shell 1 is fixed on the anchored end of case beam 6, and anchor shell 5 is fixed on the stretch-draw end of case beam 6 outside the unit; During stretch-draw, one side of outer anchor shell 1 is embedded on the support diaphragm of case beam 6 anchored end, one end of fibre sheet material 7 is inserted in the change ripple intermediate plate 2 in the outer anchor shell 1 locking square hole 11, make fibre sheet material 7 touch down the last corrugated surface of ripple intermediate plate 22, adjustment hangs on the following corrugated surface of last ripple intermediate plate 21 of outer anchor shell 1 locking square hole 11 upper tops to the upper surface that contacts fibre sheet material 7, regulate pressure bolt 3 then, make that pressure bolt 3 is stressed to compress fibre sheet material 7 through becoming ripple intermediate plate 2; Fibre sheet material 7 other ends after the anchoring penetrate change ripple intermediate plate 2 in the pre-anchor ends locking of case beam 6 bodies anchor shell 5 to the case beam 6 stretch-draw end units square holes 11, pass the top again draws in the interior change ripple intermediate plate 2 of device 4 anchor shell 5 preset ends locking square hole 11 to the unit, make fibre sheet material 7 touch down the last corrugated surface of ripple intermediate plate 22 equally, adjustment hangs on the following corrugated surface of last ripple intermediate plate 21 of outer anchor shell 1 locking square hole 11 upper tops to the upper surface that contacts fibre sheet material 7, regulate pressure bolt 3 then, make that pressure bolt 3 is stressed to compress fibre sheet material 7 through becoming ripple intermediate plate 2.
Referring to accompanying drawing, operate as normal of the present utility model is:
Before the stretch-draw operation support diaphragm of concrete box girder, girder steel termination is done corresponding construction and manufacturing process processing.
A, during stretch-draw, an end of at first choosing case beam 6 is an anchored end, the other end of choosing case beam 6 is the stretch-draw end, then, one side of outer anchor shell 1 is embedded on the support diaphragm of case beam 6 anchored end, one end of fibre sheet material 7 is inserted in the change ripple intermediate plate 2 in the outer anchor shell 1 locking square hole 11, make fibre sheet material 7 touch down the last corrugated surface of ripple intermediate plate 22, adjustment hangs on the following corrugated surface of last ripple intermediate plate 21 of outer anchor shell 1 locking square hole 11 upper tops to the upper surface that contacts fibre sheet material 7, regulate pressure bolt 3 then, make that pressure bolt 3 is stressed to compress fibre sheet material 7 through becoming ripple intermediate plate 2.
C, start the hydraulic drive type top and draw device 4 or manpower drive-type top to draw device 4, make to be connected in outside the unit top between the anchor shell 5 and to draw device 4 stressed.
D, continue to drive the top and draws device 4, it is stressed and whether stretching, the pressure bolt 3 on the outer anchor shell 1 of the outer anchor shell 5 pre-anchor ends of regulating box beam 6 stretch-draw end units, the pre-stretch-draw of realization fibre sheet material 7 if observing fibre sheet material 7 to look fibre sheet material 7.
F, look fibre sheet material 7 stretch-draw and regulate and to finish, to the outer anchor shell 5 pre-anchor ends of case beam 6 stretch-draw end units outward the pressure bolt 3 on the anchor shell 1 with fibre sheet material 7 anchorings, transfer the pressure bolt 3 of the outer anchor shell 1 of anchor shell 5 preset ends outside the loose unit at last, device 4 is drawn on the outer anchor shell 1 and the top that remove anchor shell 5 preset ends outside the unit, and cut the fibre sheet material 7 in outer anchor shell 1 outside of the outer anchor shell 5 pre-anchor ends of case beam 6 stretch-draw end units, the external prestressing fibre sheet material 7 reinforced concrete thin-walled box component stretch-draw anchors of this member finish.
Below only be preferred embodiment of the present utility model, according to above-mentioned design of the present utility model, those skilled in the art also can make various modifications and conversion to this.For example outer anchor shell, locking square hole, flat cylindrical void, change ripple intermediate plate, pressure bolt, top draw anchor shell outside device, the unit etc. to interconnect and the modification and the conversion of structure.And similar this conversion and modification all belong to essence of the present utility model.
Claims (5)
1, a kind of combined variable-corrugated fiber sheets Special ground tackle, it comprises outer anchor shell (1), become ripple intermediate plate (2), pressure bolt (3), it is characterized in that vertically being provided with in the outer anchor shell (1) locking square hole (11), the last ripple intermediate plate (21) and the following ripple intermediate plate (22) that become in the ripple intermediate plate (2) all are arranged in the locking square hole (11), locking square hole (11) upper top is established array pressure bolt (3), locking square hole (11) upper top of last ripple intermediate plate (21) anchor shell (1) outside pressure bolt (3) activity fixedly hangs on, establish the flat cylindrical void (12) that runs through in the outer anchor shell (1) perpendicular to locking square hole (11), connect a top between flat cylindrical void (12) offside of two outer anchor shells (1) and draw the outer anchor shell (5) of device (4) component units, its top draws that anchor shell (5) is pre-anchor end outside the unit of device (4) one ends, and anchor shell (5) is the preset end outside the unit of the other end.
2, combined variable-corrugated fiber sheets Special ground tackle according to claim 1 is characterized in that flat cylindrical void (12) is radiation shape from inside to outside.
3, combined variable-corrugated fiber sheets Special ground tackle according to claim 1 is characterized in that pushing up and draws device (4) to draw device for the hydraulic drive type top.
4, combined variable-corrugated fiber sheets Special ground tackle according to claim 1 is characterized in that pushing up and draws device (4) to draw device for manpower drive-type top.
5, combined variable-corrugated fiber sheets Special ground tackle according to claim 1 is characterized in that pressure bolt (3) establishes more than three groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200533896U CN201209292Y (en) | 2008-06-06 | 2008-06-06 | Anchorage special for combination corrugation changing fibre sheet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200533896U CN201209292Y (en) | 2008-06-06 | 2008-06-06 | Anchorage special for combination corrugation changing fibre sheet material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201209292Y true CN201209292Y (en) | 2009-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200533896U Expired - Lifetime CN201209292Y (en) | 2008-06-06 | 2008-06-06 | Anchorage special for combination corrugation changing fibre sheet material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201209292Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101285333B (en) * | 2008-06-06 | 2010-08-04 | 湖南科技大学 | Special anchorage for combined variable-corrugated fiber sheets and prestressing force stretching method thereof |
| CN108824230A (en) * | 2018-08-28 | 2018-11-16 | 南京林业大学 | A kind of method of FRP pipe reinforcement bridge underwater foundation |
-
2008
- 2008-06-06 CN CNU2008200533896U patent/CN201209292Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101285333B (en) * | 2008-06-06 | 2010-08-04 | 湖南科技大学 | Special anchorage for combined variable-corrugated fiber sheets and prestressing force stretching method thereof |
| CN108824230A (en) * | 2018-08-28 | 2018-11-16 | 南京林业大学 | A kind of method of FRP pipe reinforcement bridge underwater foundation |
| CN108824230B (en) * | 2018-08-28 | 2023-10-27 | 南京林业大学 | Method for reinforcing underwater bridge pier by FRP pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090318 Effective date of abandoning: 20080606 |