CN104963286B - A kind of FRP inhaul cable anchor discharging Confinement effect and installation method thereof - Google Patents
A kind of FRP inhaul cable anchor discharging Confinement effect and installation method thereof Download PDFInfo
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- CN104963286B CN104963286B CN201510392010.9A CN201510392010A CN104963286B CN 104963286 B CN104963286 B CN 104963286B CN 201510392010 A CN201510392010 A CN 201510392010A CN 104963286 B CN104963286 B CN 104963286B
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- inhaul cable
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Abstract
The invention discloses a kind of FRP inhaul cable anchor discharging Confinement effect and installation method thereof, relate to the anchoring field of drag-line.In this anchor, FRP inhaul cable is fixed in load transmission sleeve, and the outside of load transmission sleeve is cased with anchoring sleeve, and load transmission sleeve outer surface is fitted with anchoring sleeve inner surface, and Shi He end is positioned at anchoring sleeve；Releasing section is divided into 2～8 deciles along its circumference, gap is left between the most adjacent two deciles, the external diameter of the external diameter ＜ fastening section of releasing section, hoop casing it is cased with outside releasing section, releasing section, the intersection of fastening section fix with one end of hoop casing and are connected, and leave gap between hoop casing inner surface and releasing section outer surface.When this anchor is installed, outside FRP inhaul cable, it is wound around load Transfer Medium, forms load transmission sleeve, insert anchoring sleeve, at the outside of releasing section sheathed hoop casing.Present configuration is simple, it is achieved effective anchoring of large-tonnage FRP inhaul cable.
Description
Technical field
The present invention relates to the anchoring field of drag-line, be specifically related to a kind of FRP discharging Confinement effect
(Fibre Reinforced Polymer/Plastic, fibre reinforced composites) guy anchor is fixedly mounted with
Put and installation method.
Background technology
FRP is with fiber as reinforcing material, with resin as matrix material, and mixes adjuvant,
After drawing shaping and necessary surface process, a kind of advanced composite material (ACM) of formation.Compared to
Steel, FRP has excellent properties such as high-strength light, corrosion-resistant, anti-fatigue performance is good, therefore,
The FRP inhaul cable using FRP to be made has a good application prospect.But, FRP draws
There is the problem being difficult to anchor in rope, therefore, FRP inhaul cable cannot be widely used, particularly with
Large-tonnage FRP inhaul cable, the above-mentioned excellent properties of FRP inhaul cable is only embodied in FRP inhaul cable
Axially, the lateral performance such as interlayer shear of FRP inhaul cable is poor.FRP inhaul cable anchorage is used for realizing
The anchoring of FRP inhaul cable, existing FRP inhaul cable anchorage can be divided three classes: binding type anchorage,
Friction-type anchorage, extrusion pressing type cone anchorage.
Binding type anchorage is by the binding materials such as resin and outside straight tube sleeve pipe stay guy, shape
Into a single integrated structure.This anchorage style stress is clear and definite, as long as ensureing enough anchorage lengths and drawing
The roughness on rope surface, drag-line just can effectively be anchored.But it is as cable tension tonnage
Increase, the anchorage length of needs increases rapidly, and the length of anchorage is long, and requisite space is big,
Cause economy not enough.
Friction-type anchorage is to use expanding material as load Transfer Medium, and expanding material is at sleeve pipe
And between FRP inhaul cable solidification after expand, to internal surface of sleeve pipe produce extruding force, thus increase and
Frictional force between sleeve pipe, it is achieved anchoring.But, the compression strength of expanding material self is limited,
Under action of long-term load, expanding material may lose efficacy, and causes fastening invalidation.
Extrusion pressing type cone anchorage can be divided into mechanical presses type anchorage and bonding extrusion pressing type anchorage, machinery
Extrusion pressing type anchorage is similar to steel strand wires clip type anchorage style, the intermediate plate rigidity to FRP inhaul cable
A sudden change can be produced, the part that FRP inhaul cable transverse strength is more weak can be caused and bite, fall
Low anchoring efficiency, even fastening invalidation.Bonding extrusion pressing type anchorage be use load Transfer Medium with
FRP inhaul cable forms a tapered expansion end, makees with tapered expansion end by having the sleeve pipe of inner cone
With, it is achieved monolithic extruded anchoring, wherein, the elastic modelling quantity of load Transfer Medium is chosen non-the normally off
Key, if the elastic modelling quantity chosen is the least, can cause bigger sliding, cause fastening invalidation；As
The elastic modelling quantity that fruit is chosen is too big, can form concentrated stress at load Transfer Medium load-bearing end, lead
Cause drag-line sliding and extract or produce local compression destruction, cause fastening invalidation.
Summary of the invention
For defect present in prior art, it is an object of the invention to provide a kind of release set
The FRP inhaul cable anchor of hoop effect and installation method thereof, simple in construction, it is achieved large-tonnage
Effective anchoring of FRP inhaul cable.
For reaching object above, the present invention adopts the technical scheme that: a kind of release Confinement effect
FRP inhaul cable anchor, be used for anchoring FRP inhaul cable, this device include load transmission set
Cylinder, the outline of described load transmission sleeve is truncated cone-shaped, and load transmission sleeve includes Shi Heduan
And free end, the diameter of the diameter ＜ free end of Shi Heduan, load transmission sleeve includes along axis
The through hole that line is arranged, FRP inhaul cable is fixed in the through hole of load transmission sleeve；Described load passes
The outside passing sleeve is cased with anchoring sleeve, and the outer surface of load transmission sleeve is interior with anchoring sleeve
Fitting in surface, anchoring sleeve is one-body molded,
Described load transmission sleeve uses the glass fibre of pre-soaked resin by the method system being wound around
Become；
The part that described anchoring sleeve is corresponding with the free end of load transmission sleeve is fastening section, institute
Part corresponding to lotus end of executing stating anchoring sleeve and load transmission sleeve is releasing section, and load transmits
The lotus end of executing of sleeve is positioned at anchoring sleeve, the end face of the Shi Heduan of load transmission sleeve and anchoring
Distance is left between the end face of the releasing section of sleeve；
The releasing section of described anchoring sleeve is divided into 2～8 deciles, the most adjacent two deciles along its circumference
Between leave gap, the external diameter of the external diameter ＜ of described releasing section fastening section, outside described releasing section
Being cased with hoop casing, releasing section, the intersection of fastening section fix with one end of hoop casing and are connected,
Gap is left between inner surface and the outer surface of releasing section of hoop casing.
On the basis of technique scheme, outside the fastening section of described anchoring sleeve, it is provided with spiral shell
Mother, described nut is threadeded with fastening section.
On the basis of technique scheme, described load transmission sleeve and releasing section corresponding part
Length account for load transmission sleeve total length 10%～40%.
On the basis of technique scheme, described releasing section is divided into 4 deciles along its circumference.
On the basis of technique scheme, the gap between the most adjacent two deciles is
0.1～1mm.
On the basis of technique scheme, described anchoring sleeve and annular casing all use metal
Material is made.
On the basis of technique scheme, described releasing section, the intersection of fastening section and hoop
The threaded one end of casing connects.
On the basis of technique scheme, the external diameter ＜ releasing section of described releasing section end face another
The external diameter of end, releasing section, the intersection of fastening section extrude with one end of hoop casing and are connected.
On the basis of technique scheme, outside the inner surface of described hoop casing is with releasing section
Gap between surface is 0.1～1mm.
On the basis of technique scheme, the longitudinal section of described load transmission sleeve is isosceles ladders
Shape, the angle between two waist place straight lines of isosceles trapezoid is 5 °～12 °.
The installation method of the FRP inhaul cable anchor of release Confinement effect, comprises the following steps:
S1. in FRP inhaul cable, the glass fibre of pre-soaked resin it is closely wound, until forming one
Load transmission sleeve, the outline of described load transmission sleeve is truncated cone-shaped, load transmission sleeve
Including Shi Heduan and free end, the diameter of the diameter ＜ free end of Shi Heduan；
S2. preparing an anchoring sleeve, described anchoring sleeve is one-body molded, in anchoring sleeve edge
Axis has endoporus, and described endoporus is truncated cone-shaped, and anchoring sleeve includes fastening section and releasing section,
The diameter of bore of the diameter of bore ＜ fastening section of releasing section, the external diameter ＜ of described releasing section fastens section
External diameter, described releasing section is divided into 2～8 deciles along its circumference, stays between the most adjacent two deciles
There is gap；
S3. load is transmitted the Shi Heduan of sleeve, the endoporus of anchoring sleeve inserts, until lotus
Carry the outer surface of transmission sleeve and the inner surface laminating of anchoring sleeve, the fastening of described anchoring sleeve
Section is corresponding with the free end of load transmission sleeve, and the releasing section of described anchoring sleeve transmits with load
Sleeve to execute lotus end corresponding, the lotus end of executing of load transmission sleeve is positioned at anchoring sleeve, and load passes
Pass and leave distance between the end face of the end face of the Shi Heduan of sleeve and the releasing section of anchoring sleeve；
S4. a sheathed hoop casing in the outside of the releasing section of anchoring sleeve is releasing section, tight
It is connected Gu the intersection of section is fixing with one end of hoop casing, the inner surface of hoop casing and release
Gap is left between the outer surface of section.
On the basis of technique scheme, step S4 is further comprising the steps of: at anchoring cartridge
The outside nut of installing of the fastening section of cylinder, described nut is threadeded with fastening section.
On the basis of technique scheme, described load transmission sleeve and releasing section corresponding part
Length account for load transmission sleeve total length 10%～40%.
On the basis of technique scheme, described releasing section is divided into 4 deciles along its circumference.
On the basis of technique scheme, the gap between the most adjacent two deciles is
0.1～1mm.
On the basis of technique scheme, described anchoring sleeve and annular casing all use metal
Material is made.
On the basis of technique scheme, described releasing section, the intersection of fastening section and hoop
The threaded one end of casing connects.
On the basis of technique scheme, the external diameter ＜ releasing section of described releasing section end face another
The external diameter of end, releasing section, the intersection of fastening section extrude with one end of hoop casing and are connected.
On the basis of technique scheme, outside the inner surface of described hoop casing is with releasing section
Gap between surface is 0.1～1mm.
On the basis of technique scheme, the longitudinal section of described load transmission sleeve is isosceles ladders
Shape, the angle between two waist place straight lines of isosceles trapezoid is 5 °～12 °.
Compared with prior art, it is an advantage of the current invention that:
1, during the present invention discharges the FRP inhaul cable anchor of Confinement effect, Shi He end is positioned at anchor
Gu in sleeve, leave distance between end face and the end face of releasing section of Shi Heduan；Releasing section is along it
Circumference is divided into 2～8 deciles, leaves gap between the most adjacent two deciles, the external diameter ＜ of releasing section
The external diameter of fastening section, is cased with hoop casing, releasing section, the intersection of fastening section outside releasing section
Fixing with one end of hoop casing is connected, the inner surface of hoop casing and the outer surface of releasing section it
Between leave gap.This apparatus structure is simple, and releasing section can discharge it to load transmission sleeve
Confinement effect, makes the load transmission sleeve radial constraint in corresponding position weaken, effectively alleviates lotus
Carry the stress concentration phenomenon of transmission sleeve, beneficially load transmission sleeve stress, it is achieved large-tonnage
Effective anchoring of FRP inhaul cable.
2, during the present invention discharges the FRP inhaul cable anchor of Confinement effect, releasing section, fastening
The intersection of section is fixing with one end of hoop casing to be connected, the inner surface of hoop casing and releasing section
Outer surface between leave gap, both can guarantee that the releasing section of anchoring sleeve radially have certain
Extend out activity space；It is avoided that again anchoring sleeve infinitely extends out, thus causes the anchor of anchoring sleeve
Admittedly act on inefficacy.
3, during the present invention discharges the FRP inhaul cable anchor of Confinement effect, load transmission sleeve
The load Transfer Medium of rigidity such as being, load transmission sleeve uses the glass fibre of pre-soaked resin
Being made by the method being wound around, material is same or like with FRP inhaul cable, it is simple to FRP inhaul cable
Load transmission during stress.
4, during the present invention discharges the FRP inhaul cable anchor of Confinement effect, anchoring sleeve and ring
Shape casing all uses metal material to make, and the releasing section of anchoring sleeve is carried out the processing such as cutting
Time, technique is simple, and dimensional accuracy is easily controlled.
Accompanying drawing explanation
Fig. 1 is the knot of the FRP inhaul cable anchor discharging Confinement effect in the embodiment of the present invention
Structure schematic diagram；
Fig. 2 is the Fig. 1 sectional view along line A-A；
Fig. 3 is the Fig. 1 sectional view along line B-B；
Fig. 4 is the FRP inhaul cable surface radial stress distribution curve in anchorage zone；
Fig. 5 is the FRP inhaul cable surface shearing stress distribution curve in anchorage zone.
In figure: 1-FRP drag-line；2-load transmission sleeve, 2a-free end, 2b-executes lotus end；
3-anchoring sleeve, 3a-fastens section, 3b-releasing section；4-hoop casing, 5-nut.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Shown in Figure 1, the embodiment of the present invention provides a kind of FRP discharging Confinement effect to draw
Rope anchor, is used for anchoring FRP inhaul cable 1, and this device includes that load transmits sleeve 2, lotus
Carry transmission sleeve 2 outline be truncated cone-shaped, load transmission sleeve 2 include Shi He end 2b and
The diameter of the diameter ＜ free end 2a of free end 2a, Shi He end 2b, load transmission sleeve 2
Including the through hole arranged along axis, FRP inhaul cable 1 is fixed on the through hole of load transmission sleeve 2
In.Load transmission sleeve 2 is load Transfer Medium, and load Transfer Medium is to draw with FRP
The material that rope 1 is same or like, is used as the load of transmission FRP inhaul cable 1, load transmission set
The radial rigidity of cylinder 2 is close with the radial rigidity of FRP inhaul cable 1, and its radial rigidity is along FRP
Drag-line 1 the most constant, load transmission sleeve 2 uses the glass fibre of pre-soaked resin by twining
Around method make.In the present embodiment, the longitudinal section of load transmission sleeve 2 is isosceles trapezoid,
Angle between two waist place straight lines of isosceles trapezoid is 5 °～12 °.
The outside of load transmission sleeve 2 is cased with anchoring sleeve 3, the appearance of load transmission sleeve 2
The inner surface laminating of face and anchoring sleeve 3.Anchoring sleeve 3 is one-body molded, anchoring sleeve 3 with
The part corresponding for free end 2a of load transmission sleeve 2 is fastening section 3a, anchoring sleeve 3 with
The part corresponding for lotus end 2b of executing of load transmission sleeve 2 is releasing section 3b, load transmission sleeve
The lotus end 2b that executes of 2 is positioned at anchoring sleeve 3, the end executing lotus end 2b of load transmission sleeve 2
Distance is left between the end face of the releasing section 3b of face and anchoring sleeve 3.Load transmission sleeve 2
The 10%～40% of load transmission sleeve 2 total length is accounted for the length of releasing section 3b corresponding part.
Seeing shown in Fig. 1, Fig. 2 and Fig. 3, fastening section 3a of anchoring sleeve 3 is outside to be arranged
Nut 5, nut 5 is had to threaded with fastening section 3a, for by the stretch-draw of FRP inhaul cable 1
Load is transferred to the structure (such as connecting the pedestal of FRP inhaul cable 1) that FRP inhaul cable 1 connects
On.The releasing section 3b of anchoring sleeve 3 is divided into 2～8 deciles along its circumference, and the most adjacent two etc.
/ leaving gap, in the present embodiment, releasing section 3b is divided into 4 deciles along its circumference,
Gap between the most adjacent two deciles is 0.1～1mm.The external diameter ＜ of releasing section 3b fastens section 3a
External diameter, be cased with hoop casing 4 outside releasing section 3b, in the present embodiment, anchoring sleeve 3
Metal material is all used to make with annular casing 4, releasing section 3b, the intersection of fastening section 3a
It is connected with the threaded one end of hoop casing 4, or the external diameter ＜ releasing section of releasing section 3b end face
The external diameter of the 3b other end, releasing section 3b, intersection and the one of the hoop casing 4 of fastening section 3a
End extruding connects, the gap between inner surface and the outer surface of releasing section 3b of hoop casing 4
It is 0.1～1mm.One end of releasing section 3b, the intersection of fastening section 3a and hoop casing 4 is solid
Fixed connection, leaves gap between inner surface and the outer surface of releasing section 3b of hoop casing 4.
The embodiment of the present invention also provides for a kind of FRP inhaul cable anchor discharging Confinement effect
Installation method, comprises the following steps:
S1. in FRP inhaul cable 1, the glass fibre of pre-soaked resin it is closely wound, until forming one
Individual load transmission sleeve 2, is load Transfer Medium, the outline of load transmission sleeve 2 in
Truncated cone-shaped, load transmission sleeve 2 includes Shi He end 2b and free end 2a, Shi He end 2b's
The diameter of diameter ＜ free end 2a；In the present embodiment, load transmission sleeve 2 longitudinal section in
Isosceles trapezoid, the angle between two waist place straight lines of isosceles trapezoid is 5 °～12 °.
S2. prepare an anchoring sleeve 3, anchoring sleeve 3 is one-body molded, anchoring sleeve 3 along in
Axis has endoporus, and endoporus is truncated cone-shaped, and anchoring sleeve 3 includes fastening section 3a and releasing section
The diameter of bore of diameter of bore ＜ fastening section 3a of 3b, releasing section 3b, outside releasing section 3b
The external diameter of footpath ＜ fastening section 3a, releasing section 3b is divided into 2～8 deciles along its circumference, the most adjacent
Gap is left between two deciles；In the present embodiment, anchoring sleeve 3 uses metal material to make,
Releasing section 3b is divided into 4 deciles along its circumference, and the gap between the most adjacent two deciles is
0.1～1mm.
What S3. load transmitted sleeve 2 executes lotus end 2b, the endoporus of anchoring sleeve 3 insert,
Until the outer surface of load transmission sleeve 2 and the inner surface laminating of anchoring sleeve 3, anchoring sleeve
Fastening section 3a of 3 is corresponding with the free end 2a of load transmission sleeve 2, releasing of anchoring sleeve 3
The section of putting 3b and load transmission sleeve 2 to execute lotus end 2b corresponding, what load transmitted sleeve 2 executes lotus
End 2b is positioned at anchoring sleeve 3, the end face executing lotus end 2b of load transmission sleeve 2 and anchoring
Distance is left between the end face of the releasing section 3b of sleeve 3；In the present embodiment, load transmission set
Cylinder 2 accounts for load transmission sleeve 2 total length with the length of releasing section 3b corresponding part
10%～40%.
S4. a sheathed hoop casing 4 in the outside of the releasing section 3b of anchoring sleeve 3, release
Section 3b, the intersection of fastening section 3a fix with one end of hoop casing 4 and are connected, hoop casing
Gap is left between inner surface and the outer surface of releasing section 3b of 4.In the present embodiment, also may be used
To install a nut 5 outside fastening section 3a of anchoring sleeve 3, nut 5 and fastening section
3a is threaded；Annular casing 4 uses metal material to make, releasing section 3b, fastening section 3a
Intersection be connected with the threaded one end of hoop casing 4, or the external diameter of releasing section 3b end face
The external diameter of the ＜ releasing section 3b other end, releasing section 3b, the intersection of fastening section 3a and hoop
One end extruding of casing 4 connects；The inner surface of hoop casing 4 and the outer surface of releasing section 3b
Between gap be 0.1～1mm.
Shown in Figure 4, solid line A is the footpath, FRP inhaul cable surface installing common anchor
To the stress distribution curve in anchorage zone, dotted line B is the FRP being provided with anchor of the present invention
The drag-line surface radial stress distribution curve in anchorage zone.
Shown in Figure 5, solid line A is that the FRP inhaul cable surface installing common anchor is cut
Shearing stress is at the distribution curve of anchorage zone, and dotted line B is that the FRP being provided with this anchor draws
Rope surface shearing stress is at the distribution curve of anchorage zone.
By Fig. 4 and Fig. 5 it can be seen that FRP inhaul cable anchorage zone be load transmission sleeve 2 wrap up
Region, anchorage zone is by free end 2a, until executing lotus end 2b, and installs common anchoring
The FRP inhaul cable 1 of device is compared, after anchor of the present invention is installed, and the footpath of FRP inhaul cable 1
To stress and shear stress, the peak value in anchorage zone all reduces, and this shows that anchor of the present invention has
Being beneficial to the FRP inhaul cable 1 stress in anchorage zone, anchor the most of the present invention is capable of big ton
Effective anchoring of position FRP inhaul cable.
As known from the above, FRP inhaul cable 1 uses common anchor to anchor, and uses
The anchor that the present invention provides anchors, and can produce different anchoring effects, and reason is as follows:
Radial stress σ of FRP inhaul cable 1=E ε, wherein, E is elastic modelling quantity, and ε is radially should
Become；
Shear stress τ=G the γ of FRP inhaul cable 1, wherein, G is modulus of shearing, and γ should for shearing
Become.
After anchor of the present invention is installed, FRP inhaul cable 1 adjacent to one end of releasing section 2b for being subject to
Power end, during stretch-draw FRP inhaul cable 1, force side, by axial tension, drives FRP
Drag-line 1 and load transmission sleeve 2 axial displacement, due to the releasing section 3b of anchoring sleeve 3
Release action, loosens the radial constraint to FRP inhaul cable 1, and radial strain ε will reduce,
Owing to elastic modulus E is constant, radial stress σ can reduce therewith, the footpath, surface of FRP inhaul cable 1
Reduce to the peak value of stress.
Meanwhile, anchoring sleeve 3 also obtains part release, and the detrusion of anchoring sleeve 3 diminishes,
Shear strain γ can reduce, owing to shear modulus G is constant, and the shear stress τ of anchoring sleeve 3
Can reduce therewith, the peak value of the surface shearing stress of FRP inhaul cable 1 reduces.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications,
Within these improvements and modifications are also considered as protection scope of the present invention.This specification is not made in detail
The content described belongs to prior art known to professional and technical personnel in the field.
Claims (20)
1. discharge a FRP inhaul cable anchor for Confinement effect, be used for anchoring FRP inhaul cable
(1), this device includes load transmission sleeve (2), outside described load transmission sleeve (2)
Profile is truncated cone-shaped, and load transmission sleeve (2) includes Shi Heduan (2b) and free end (2a),
The diameter of diameter ＜ free end (2a) of Shi Heduan (2b), load transmission sleeve (2) bag
Including the through hole arranged along axis, FRP inhaul cable (1) is fixed on load transmission sleeve (2)
In through hole；The outside of described load transmission sleeve (2) is cased with anchoring sleeve (3), and load passes
Pass the outer surface of sleeve (2) and the inner surface laminating of anchoring sleeve (3), anchoring sleeve (3)
It is one-body molded, it is characterised in that:
Described load transmission sleeve (2) uses the glass fibre of pre-soaked resin by the side being wound around
Method is made；
Described anchoring sleeve (3) is corresponding with the free end (2a) of load transmission sleeve (2)
Part is fastening section (3a), and described anchoring sleeve (3) is executed with load transmission sleeve (2)
The part that lotus end (2b) is corresponding is releasing section (3b), the Shi Heduan of load transmission sleeve (2)
(2b) anchoring sleeve (3) it is positioned at, the Shi Heduan's (2b) of load transmission sleeve (2)
Distance is left between the end face of the releasing section (3b) of end face and anchoring sleeve (3)；
The releasing section (3b) of described anchoring sleeve (3) is divided into 2～8 deciles along its circumference,
Gap is left, external diameter ＜ fastening section (3a) of described releasing section (3b) between the most adjacent two deciles
External diameter, the outside hoop casing (4) that is cased with of described releasing section (3b), releasing section (3b),
The intersection of fastening section (3a) is fixing with one end of hoop casing (4) to be connected, hoop casing
(4) gap is left between inner surface and the outer surface of releasing section (3b).
2. the FRP inhaul cable anchor discharging Confinement effect as claimed in claim 1, its
It is characterised by: the fastening section (3a) of described anchoring sleeve (3) is outside is provided with nut (5),
Described nut (5) is threadeded with fastening section (3a).
3. the FRP inhaul cable anchor discharging Confinement effect as claimed in claim 1, its
It is characterised by: described load transmission sleeve (2) and the length of releasing section (3b) corresponding part
Account for the 10%～40% of load transmission sleeve (2) total length.
4. the FRP inhaul cable anchor discharging Confinement effect as claimed in claim 1, its
It is characterised by: described releasing section (3b) is divided into 4 deciles along its circumference.
5. the FRP inhaul cable anchor discharging Confinement effect as claimed in claim 1, its
It is characterised by: the gap between the most adjacent two deciles is 0.1～1mm.
6. the FRP inhaul cable anchor discharging Confinement effect as claimed in claim 1, its
It is characterised by: described anchoring sleeve (3) and annular casing (4) all use metal material to make.
7. the FRP inhaul cable anchor discharging Confinement effect as claimed in claim 6, its
It is characterised by: described releasing section (3b), intersection and the hoop casing (4) of fastening section (3a)
Threaded one end connect.
8. the FRP inhaul cable anchor discharging Confinement effect as claimed in claim 6, its
It is characterised by: outside external diameter ＜ releasing section (3b) other end of described releasing section (3b) end face
Footpath, releasing section (3b), the intersection of fastening section (3a) squeeze with one end of hoop casing (4)
Pressure connects.
9. the FRP inhaul cable of the release Confinement effect as according to any one of claim 1 to 8
Anchor, it is characterised in that: the inner surface of described hoop casing (4) and releasing section (3b)
Outer surface between gap be 0.1～1mm.
10. the FRP of the release Confinement effect as according to any one of claim 1 to 8 draws
Rope anchor, it is characterised in that: the longitudinal section of described load transmission sleeve (2) is isosceles
Trapezoidal, the angle between two waist place straight lines of isosceles trapezoid is 5 °～12 °.
The 11. FRP inhaul cable anchors discharging Confinement effect as claimed in claim 1
Installation method, it is characterised in that comprise the following steps:
S1. in FRP inhaul cable (1), the glass fibre of pre-soaked resin it is closely wound, until being formed
One load transmission sleeve (2), the outline of described load transmission sleeve (2) is truncated cone-shaped,
Load transmission sleeve (2) includes Shi Heduan (2b) and free end (2a), Shi Heduan (2b)
The diameter of diameter ＜ free end (2a)；
S2. preparing an anchoring sleeve (3), described anchoring sleeve (3) is one-body molded, anchoring
Sleeve (3) has endoporus along axis, and described endoporus is truncated cone-shaped, and anchoring sleeve (3) wraps
Including fastening section (3a) and releasing section (3b), the diameter of bore ＜ of releasing section (3b) fastens section
(3a) diameter of bore, the external diameter of external diameter ＜ fastening section (3a) of described releasing section (3b),
Described releasing section (3b) is divided into 2～8 deciles along its circumference, leaves between the most adjacent two deciles
Gap；
S3. load is transmitted the Shi Heduan (2b) of sleeve (2), interior by anchoring sleeve (3)
Hole is inserted, until the outer surface of load transmission sleeve (2) and the inner surface of anchoring sleeve (3)
Laminating, the fastening section (3a) of described anchoring sleeve (3) transmits oneself of sleeve (2) with load
Corresponding by end (2a), the releasing section (3b) of described anchoring sleeve (3) and load transmission set
The Shi Heduan (2b) of cylinder (2) is corresponding, Shi Heduan (2b) position of load transmission sleeve (2)
In anchoring sleeve (3), the end face of the Shi Heduan (2b) of load transmission sleeve (2) and anchor
Gu leave distance between the end face of the releasing section (3b) of sleeve (3)；
S4. a sheathed hoop casing (4) in the outside of the releasing section (3b) of anchoring sleeve (3),
Releasing section (3b), the intersection of fastening section (3a) are fixed even with one end of hoop casing (4)
Connect, between inner surface and the outer surface of releasing section (3b) of hoop casing (4), leave gap.
The 12. FRP inhaul cable anchors discharging Confinement effect as claimed in claim 11
Installation method, it is characterised in that step S4 is further comprising the steps of: in anchoring sleeve (3)
The outside nut (5) of installing of fastening section (3a), described nut (5) and fastening section (3a)
Threaded.
The 13. FRP inhaul cable anchors discharging Confinement effect as claimed in claim 11
Installation method, it is characterised in that: described load transmission sleeve (2) is right with releasing section (3b)
Length partly should account for the 10%～40% of load transmission sleeve (2) total length.
The 14. FRP inhaul cable anchors discharging Confinement effect as claimed in claim 11
Installation method, it is characterised in that: described releasing section (3b) is divided into 4 deciles along its circumference.
The 15. FRP inhaul cable anchors discharging Confinement effect as claimed in claim 11
Installation method, it is characterised in that: the gap between the most adjacent two deciles is 0.1～1mm.
The 16. FRP inhaul cable anchors discharging Confinement effect as claimed in claim 11
Installation method, it is characterised in that: described anchoring sleeve (3) and annular casing (4) all use
Metal material is made.
The 17. FRP inhaul cable anchors discharging Confinement effect as claimed in claim 16
Installation method, it is characterised in that: described releasing section (3b), the intersection of fastening section (3a)
It is connected with the threaded one end of hoop casing (4).
The 18. FRP inhaul cable anchors discharging Confinement effect as claimed in claim 16
Installation method, it is characterised in that: external diameter ＜ releasing section (3b) of described releasing section (3b) end face
The external diameter of the other end, releasing section (3b), intersection and the hoop casing (4) of fastening section (3a)
One end extruding connect.
The FRP of the 19. release Confinement effect as according to any one of claim 11 to 18
The installation method of anchor-hold device, it is characterised in that: the interior table of described hoop casing (4)
Gap between the outer surface of face and releasing section (3b) is 0.1～1mm.
The FRP of the 20. release Confinement effect as according to any one of claim 11 to 18
The installation method of anchor-hold device, it is characterised in that: described load transmission sleeve (2)
Longitudinal section is isosceles trapezoid, and the angle between two waist place straight lines of isosceles trapezoid is 5 °～12 °.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510392010.9A CN104963286B (en) | 2015-07-07 | 2015-07-07 | A kind of FRP inhaul cable anchor discharging Confinement effect and installation method thereof |
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| CN201510392010.9A CN104963286B (en) | 2015-07-07 | 2015-07-07 | A kind of FRP inhaul cable anchor discharging Confinement effect and installation method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104963286B (en) * | 2015-07-07 | 2016-09-07 | 中铁大桥局集团有限公司 | A kind of FRP inhaul cable anchor discharging Confinement effect and installation method thereof |
| CN108004926B (en) * | 2017-11-30 | 2019-09-20 | 东南大学 | Anchoring method of large tonnage FRP cable |
| CN110258329B (en) * | 2019-06-13 | 2024-02-27 | 中铁大桥科学研究院有限公司 | FRP inhaul cable anchoring device and installation method thereof |
| CN112095466B (en) * | 2020-09-17 | 2022-04-15 | 东南大学 | A kind of FRP cable anchoring method and anchoring end |
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| CN101054795A (en) * | 2007-05-28 | 2007-10-17 | 重庆交通大学 | Segmentation mounting method for cable of cable stayed bridge and connector for implementing cable segmented connection |
| CN103276671A (en) * | 2013-06-17 | 2013-09-04 | 湖南省建筑工程集团总公司 | Steering cable saddle for large-tonnage cable crane |
| CN203307727U (en) * | 2013-06-17 | 2013-11-27 | 湖南省建筑工程集团总公司 | Steering cable saddle of large-tonnage cable crane |
| CN104963286A (en) * | 2015-07-07 | 2015-10-07 | 中铁大桥局集团有限公司 | FRP inhaul cable anchoring device with ferrule releasing function, and mounting method of FRP inhaul cable anchoring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100422298B1 (en) * | 2001-04-18 | 2004-03-10 | 이종호 | building construction method using lattice typed cable structure in the plane |
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|---|---|---|---|---|
| CN101054795A (en) * | 2007-05-28 | 2007-10-17 | 重庆交通大学 | Segmentation mounting method for cable of cable stayed bridge and connector for implementing cable segmented connection |
| CN103276671A (en) * | 2013-06-17 | 2013-09-04 | 湖南省建筑工程集团总公司 | Steering cable saddle for large-tonnage cable crane |
| CN203307727U (en) * | 2013-06-17 | 2013-11-27 | 湖南省建筑工程集团总公司 | Steering cable saddle of large-tonnage cable crane |
| CN104963286A (en) * | 2015-07-07 | 2015-10-07 | 中铁大桥局集团有限公司 | FRP inhaul cable anchoring device with ferrule releasing function, and mounting method of FRP inhaul cable anchoring device |
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