CN205804346U - A kind of double fastener chip plate anchor structure system - Google Patents

A kind of double fastener chip plate anchor structure system Download PDF

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Publication number
CN205804346U
CN205804346U CN201620709655.0U CN201620709655U CN205804346U CN 205804346 U CN205804346 U CN 205804346U CN 201620709655 U CN201620709655 U CN 201620709655U CN 205804346 U CN205804346 U CN 205804346U
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anchor
double fastener
internal taper
wedge shape
cylinder
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刘钟
岳清瑞
郭钢
罗雪音
张义
贾玉栋
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Central Research Institute of Building and Construction Co Ltd MCC Group
China Jingye Engineering Corp Ltd
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Central Research Institute of Building and Construction Co Ltd MCC Group
China Jingye Engineering Corp Ltd
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Abstract

This utility model one double fastener chip plate anchor structure system, including anchor cylinder, the internal taper hole extended along its centrage is offered in the middle part of anchor cylinder, centerline direction along anchor cylinder, the aperture R of internal taper hole is identical, hole height H successively decreases, the wedge shape double fastener slice structure that profile is matched it is placed with in internal taper hole, the middle part of wedge shape double fastener slice structure offers the centre bore extended along its centrage, sheet material it is clamped with in centre bore, sheet material upper and lower surface is provided with it with wide protective pad, one end of anchor cylinder offer with middle part through hole anchor slab coincide connect, the other end is provided with plug-in connection, rearmounted anti-corrosion cap is connected with anchor cylinder by plug-in connection, the sheet material of axial tension runs through through hole, finally run through after internal taper hole and be fixed among centre bore.Its object is to provide a kind of safe and reliable, easy to assembly, economical and practical, it is adaptable to high-performance fiber strengthens a kind of double fastener chip plate anchor structure system of composite panel.

Description

A kind of double fastener chip plate anchor structure system
Technical field
This utility model relates to the board-like anchor device structure dress of a kind of geotechnical anchor engineering and structural fortification domain-specific Put, particularly relate to the double fastener chip plate anchor knot that a kind of high-performance fiber strengthens the special end anchorage of composite (FRP) plate Construction system.
Background technology
High-performance fiber strengthens composite (FRP) and has the excellent properties such as high intensity, corrosion-resistant, underrelaxation, in recent years Carbon fibre reinforced composite (CFRP), basalt fibre reinforcing composite material (BFRP) and aramid fiber strengthen composite (AFRP) structural fortification, geotechnical anchor engineering, Spatial Cable net engineering and science of bridge building it have been applied to.Since oneth century , be there is fraud perishable, that durability is not enough as rock soil anchor by the reinforcing bar of muscle of advocating, steel strand wires in geotechnical anchor engineering field Sick.And utilize high-performance fiber to strengthen composite materials CFRP, BFRP, AFRP muscle or plate replacement reinforcing bar, steel strand wires as rock Soil anchor bolt is one of reliable approach solving above-mentioned technical barrier by muscle of advocating.
It is anisotropic material that high-performance fiber strengthens FRP Composite Material (including CFRP, BFRP, AFRP and GFRP), its The strength/rigidity significant difference of the parallel and vertical direction of fiber, its shearing strength is about 1:20 with the ratio of tensile strength.If adopting Easily cause FRP muscle to occur early fracture to destroy during end anchorage with conventional steel intermediate plate type anchorage, cause anchoring system whole Body lost efficacy.The early stage how to reduce the notch effect occurred because the stress of nearly load-bearing end concentrates, solving CFRP or BFRP muscle cuts Disconnected destroying, the most domestic and international geotechnical anchor engineering circle is eager the technical bottleneck broken, and can one of its key problem in technology is that Successfully it is developed for the Special ground tackle of CFRP, BFRP muscle or plate.
At present, domestic and international civil engineering field be devoted to research and development be applicable to high-performance fiber strengthen composite material bar Or the anchor system of plate, safe and reliable especially for having of CFRP and BFRP muscle or plate, size is less, easy for installation and warp The Novel clamp flap-type anchorage of the practical feature of Ji, to promoting novel high-performance fiber-reinforced composite material rib or plate at rock soil anchor Gu, application in Spatial Cable net and structural strengthening and ocean engineering field.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of safe and reliable, easy to assembly, economical and practical, it is adaptable to High-performance fiber strengthens a kind of double fastener chip plate anchor structure system of composite panel.
This utility model one double fastener chip plate anchor structure system, including anchor cylinder, offers in the middle part of described anchor cylinder along wherein The internal taper hole that heart line extends, along the centerline direction of anchor cylinder, the aperture R of described internal taper hole is identical, and hole height H successively decreases, described inner cone Being placed with the wedge shape double fastener slice structure that profile is matched in hole, the middle part of described wedge shape double fastener slice structure offers along it The centre bore that centrage extends, is clamped with sheet material in described centre bore, described sheet material upper and lower surface is provided with protects with wide with it Pad, one end of described anchor cylinder offers the anchor slab of through hole and coincide and connect with middle part, and the other end is provided with plug-in connection, and rearmounted anti-corrosion cap is logical Crossing plug-in connection to be connected with anchor cylinder, the described sheet material of axial tension finally runs through after running through described through hole, internal taper hole and fixes Among described centre bore.
This utility model one double fastener chip plate anchor structure system, the cross section of wherein said wedge shape double fastener slice structure is relatively The edge of the centre bore of little one end is provided with circular arc chamfering, and the tilt angle theta of described wedge shape double fastener slice structure is more than described The tilt angle alpha of internal taper hole.
This utility model one double fastener chip plate anchor structure system, wherein said anchor slab is provided with plane A or indent Sphere, the described anchor cylinder shape near anchor slab one end coordinates with described sphere or plane A.
This utility model one double fastener chip plate anchor structure system, the cross section of wherein said protective pad is rectangle, and its table Topcoating brush ring oxygen quartz sand or be impregnated with polyurethane, the axial length a of described protective pad is more than the axle of described wedge shape double fastener slice structure To length L and the axial length W of described anchor cylinder.
This utility model one double fastener chip plate anchor structure system, it is the most right that wherein said wedge shape double fastener slice structure includes Claiming upper clip, the lower clamping piece arranged, described upper clip, the cross section of lower clamping piece are circular arc or rectangle and each outside vertical section Envelope is the straight line of the centerline dip relative to internal taper hole, and described upper clip, the opposite face of lower clamping piece are plane B, Described upper clip, lower clamping piece symmetry interval is arranged and is formed centre bore, described plane B is all machined with horizontal tooth stricture of vagina or is adhesive with poly- Urethane matte.
This utility model one double fastener chip plate anchor structure system, wherein said upper clip, lower clamping piece plane B on symmetrical Offering rectangular recess A, the rectangular recess A symmetry interval on described upper clip, lower clamping piece is arranged and is formed centre bore.
This utility model one double fastener chip plate anchor structure system, wherein said anchor cylinder is by least two pieces of separable anchors The split-type structural that barrel member is constituted, each anchor barrel member of described split-type structural is fastenedly connected by fastening bolt, adjacent anchor Circular groove B or rectangular recess C, described circular groove B or rectangular recess C docking is all offered on the opposite face of barrel member Form internal taper hole.
This utility model one double fastener chip plate anchor structure system, wherein said anchor cylinder is the one with rectangular cross section Formula structure.
This utility model one double fastener chip plate anchor structure system, by using the design of wedge shape double fastener slice structure, split Formula is rubbed with the carrying of integral type anchor cylinder, fibre board/cloth protective pad protection, the stretch-draw adjustable angle of anchor slab, the increasing of segmentation sputtered quartz sand Technique, and the differentiation design of anchor cylinder angle of inclination and wedge shape double fastener chip structures slope angle, optimize in anchorage zone Distribution of the compressive stress, enables to act on the compressive stress on CFRP, BFRP plate surface the most equal along axis distribution in anchorage zone Even, effectively reduce the peak stress that anchorage bears at loading end, thus avoid owing to notch effect or bending damage cause CFRP, BFRP plate early fracture destroy and the global failure of anchoring system.Therefore, compared with existing anchorage, this practicality is new The double fastener chip plate anchor structure system chucking power of type is big, volume is little, length is short, can do operation, easily assemble, carrying is fast, reusable, This is just it is effectively guaranteed that the safety of anchor structure system, reliability, thus is particularly well-suited to geotechnical anchor engineering and structure Reinforcing engineering field.
Below in conjunction with the accompanying drawings a kind of double fastener chip plate anchor structure system of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is that the master of this utility model a kind of double fastener chip plate anchor structure system embodiment one regards perspective structure schematic diagram;
Fig. 2 is the top perspective structural representation of this utility model a kind of double fastener chip plate anchor structure system embodiment one;
Fig. 3 is the sectional view of the Section A-A of Fig. 1;
Fig. 4 is the sectional view of the section B-B of Fig. 2;
Fig. 5 is the partial enlarged drawing at G position in Fig. 1;
Fig. 6 a is laterally the cuing open of one end of anchor cylinder in this utility model a kind of double fastener chip plate anchor structure system embodiment one Face figure;
Fig. 6 b is the horizontal of the other end of anchor cylinder in this utility model a kind of double fastener chip plate anchor structure system embodiment one Profile;
Fig. 7 a is one end of the anchor cylinder distressed structure of this utility model a kind of double fastener chip plate anchor structure system embodiment one Transverse cross-sectional view;
Fig. 7 b is another of the anchor cylinder distressed structure of this utility model a kind of double fastener chip plate anchor structure system embodiment one The transverse cross-sectional view of end;
Fig. 8 is that the master of this utility model a kind of double fastener chip plate anchor structure system embodiment two regards perspective structure schematic diagram;
Fig. 9 a is the sectional view in the C-C cross section of Fig. 8;
Fig. 9 b is the sectional view in the D-D cross section of Fig. 8;
Figure 10 is that the master of this utility model a kind of double fastener chip plate anchor structure system embodiment three regards perspective structure schematic diagram;
Figure 11 is the top perspective structural representation of this utility model a kind of double fastener chip plate anchor structure system embodiment three;
Figure 12 a is the sectional view in the E-E cross section of Figure 10;
Figure 12 b is the sectional view in the F-F cross section of Figure 10;
Figure 13 a is the sectional view in the E-E cross section of the distressed structure of Figure 10;
Figure 13 b is the sectional view in the F-F cross section of the distressed structure of Figure 10;
Figure 14 is the wedge shape double fastener slice structure of this utility model a kind of double fastener chip plate anchor structure system embodiment one Perspective view;
Figure 15 is the wedge shape double fastener slice structure of this utility model a kind of double fastener chip plate anchor structure system embodiment one A kind of perspective view of distressed structure;
Figure 16 is the wedge shape double fastener slice structure of this utility model a kind of double fastener chip plate anchor structure system embodiment one The perspective view of another kind of distressed structure;
Figure 17 is the wedge shape double fastener slice structure of this utility model a kind of double fastener chip plate anchor structure system embodiment one The perspective view of another distressed structure;
Figure 18 a be this utility model a kind of double fastener chip plate anchor structure system embodiment three assembly method in step I Construction State front view;
Figure 18 b be this utility model a kind of double fastener chip plate anchor structure system embodiment three assembly method in step II Construction State front view;
Figure 18 c be this utility model a kind of double fastener chip plate anchor structure system embodiment three assembly method in step III Construction State front view;
Figure 18 d be this utility model a kind of double fastener chip plate anchor structure system embodiment three assembly method in step IV Construction State front view;
Figure 18 e be this utility model a kind of double fastener chip plate anchor structure system embodiment three assembly method in step V Construction State front view;
Figure 18 f be this utility model a kind of double fastener chip plate anchor structure system embodiment three assembly method in step VI Construction State front view;
Figure 19 a is the use state front view of this utility model a kind of double fastener chip plate anchor structure system embodiment four;
Figure 19 b is the partial enlarged drawing in Figure 19 a at H;
Figure 20 a is the use state front view of this utility model a kind of double fastener chip plate anchor structure system embodiment five;
Figure 20 b is the partial enlarged drawing in Figure 20 a at I.
Detailed description of the invention
Embodiment one:
As shown in Fig. 1 to Fig. 6 b, this utility model a kind of double fastener chip plate anchor structure system include two pieces separate high-strength The anchor barrel member 13 that degree GFRP material makes, two pieces of supporting 8 fastening bolts of anchor barrel member 13 constitute the anchor cylinder of split-type structural 3.The circular groove B131 extended along respective centrage, two grooves are all offered on the opposite face of two pieces of anchor barrel members 13 Internal taper hole 8 is formed after B131 docking.This internal taper hole 8 extends along anchor cylinder 3 centrage, and along the centerline direction of anchor cylinder 3 from a left side to The right side, the aperture R of internal taper hole 8 is identical, and hole height H successively decreases.The wedge shape double fastener slice structure that profile is matched it is placed with in internal taper hole 8 1。
Shown in Figure 14, wedge shape double fastener slice structure 1 is elongated oblate important actor structure, upper including arrange symmetrically Intermediate plate 101, lower clamping piece 102, upper clip 101, the cross section of lower clamping piece 102 are circular arc and the enveloping outer enclosure in respective vertical section It is the straight line of centerline dip relative to internal taper hole 8.Upper clip 101, the relative inner surface of lower clamping piece 102 are plane B10, upper clip 101, lower clamping piece 102 symmetrical interval cloth postpones formation centre bore 9, and this centre bore 9 is along wedge shape double fastener slice structure 1 Centrage extend.Being clamped with cuboid-type sheet material 2 in centre bore 9, this sheet material 2 is a 1cm thickness, 10cm width, bright finish CFRP plate.Improve clamping effect for increasing frictional force, plane B10 be all machined with horizontal tooth stricture of vagina or be adhesive with polyurethane matte, CFRP plate double-faced uniform is coated with 120 mesh quartz sands.The tilt angle theta of wedge shape double fastener slice structure 1 and the inclination angle of internal taper hole 8 Degree α all may be designed as 1 ° to 9 °, and both differential seat angles are 0.1 ° to 0.4 °.For strengthening locking effect, wedge shape double fastener chip is tied The tilt angle theta of structure 1 is more than the tilt angle alpha of internal taper hole 8.In the present embodiment, the tilt angle theta of wedge shape double fastener slice structure 1, I.e. the angle theta between enveloping outer enclosure and plane B10 in the vertical section of upper clip 101 or lower clamping piece 102 is 3.1 °, internal taper hole 8 Angle [alpha] between bus and the centrage of tilt angle alpha, i.e. internal taper hole 8 is 3 °, and both differential seat angles are 0.1 °.
As shown in figure 16, shown in upper clip 101, a kind of distressed structure of lower clamping piece 102, this distressed structure and Figure 14 The difference of structure is, offers rectangular recess A11 in the middle part of plane B10, and the rectangle on upper clip 101, lower clamping piece 102 is recessed Groove A11 symmetry interval is arranged and is formed centre bore 9.
As shown in Fig. 7 a, Fig. 7 b, for a kind of distressed structure of anchor cylinder 3, this structure and the anchor cylinder 3 shown in Fig. 6 a, Fig. 6 b Difference is, the opposite face of two pieces of anchor barrel members 13 of the anchor cylinder 3 of this structure all offers and extends along respective centrage Rectangular recess C132, two groove C132 docking after form internal taper hole 8.For with this structure matching, as shown in Figure 15, Figure 17, For upper clip 101, the distressed structure of lower clamping piece 102, these two kinds of structures and the wedge shape double fastener slice structure 1 shown in Figure 14, Figure 16 Difference be, upper clip 101, the cross section of lower clamping piece 102 are rectangle.Meanwhile, the upper folder as shown in Figure 15, Figure 17 Sheet 101, the difference of lower clamping piece 102 are again, and the upper clip 101 in Figure 15, the opposite face of lower clamping piece 102 are plane B10, Upper clip 101, lower clamping piece 102 in Figure 17 then offer rectangular recess D133 at middle part.
The upper and lower surface of sheet material 2 is provided with it with wide protective pad 4.This protective pad cross section is rectangle, and thickness is more than 0.2mm, can use BFRP, GFRP, CFRP fibre board or fiber cloth, and its surface can brushing epoxy quartz sand or be impregnated with poly-ammonia Ester.In the present embodiment, the thickness of protective pad 4 is 0.5mm, and width is 10cm.For protection sheet material 2 is positioned at anchor cylinder 3 and wedge shape is double conscientiously Part outside clip type structure 1, prevents sheet material 2 from rupturing at the taper end of wedge shape double fastener slice structure 1, the axial length a of protective pad 4 Axial length L and the axial length W of anchor cylinder 3 more than wedge shape double fastener slice structure 1.
The right-hand member of anchor cylinder 3 is offered the anchor slab 5 of through hole 7 and is coincide and connect with middle part, and anchor slab 5 be square or rectangle, and its left side Being provided with the sphere 52 of indent on side, anchor cylinder 3 is provided with the sphere of evagination near the right-hand member of anchor slab 5, the sphere of this evagination with The sphere 52 of indent coordinates, by both closely cooperating and rotating adjustment globally, it is achieved the axis of far-end sheet material 2 and anchor cylinder The centering of the axis of 3.
Anchor cylinder 3 left end is additionally provided with plug-in connection, and rearmounted anti-corrosion cap 6 is connected with anchor cylinder 3 by plug-in connection, axial tension Sheet material 2 run through through hole 7, internal taper hole 8 after finally run through and be fixed among centre bore 9.
For avoiding centre bore 9 edge that sheet material 2 causes cutting damage, the cross section of wedge shape double fastener slice structure 1 is less The edge of centre bore 9 of one end be provided with circular arc chamfering 12.
During assembling, the sheet material 2 in anchorage zone is by protective pad about 4 covering protection, then by wedge shape double fastener slice structure 1 Upper clip 101, lower clamping piece 102 push in internal taper hole 8, then by stitched together for two pieces of separable anchor barrel members 13, and by 8 Individual fastening bolt is locked under incremental twisting force from front to back, and makes outside wall surface and the anchor cylinder 3 of wedge shape double fastener slice structure 1 Internal face be in close contact.By rotating sphere 52 and the sphere of the evagination of anchor cylinder 3 of the indent adjusted on anchor slab 5, make the two The axis of far-end sheet material 2 and the centering of anchor cylinder 3 axis, after tensioning fixation has worked, anchor cylinder 3 is realized while closely cooperating The rearmounted anti-corrosion cap of rear end grafting 6.For being further ensured that centering effect, internal taper hole 8, centre bore 9, through hole 7, the center of sheet material 2 Line overlaps.
Embodiment two:
As shown in Fig. 8 to Fig. 9 b, the present embodiment is with the difference of embodiment one:
The anchor barrel member 13 constituting anchor cylinder 3 is 3, and 3 anchor barrel members 13 are steel and are superimposed from top to down, All offer, on the opposite face of two pieces of anchor barrel members 13 of the anchor cylinder 3 of this structure, the rectangular recess extended along respective centrage C132, forms internal taper hole 8, forms 2 internal taper holes being parallel to each other 8 altogether after adjacent two rectangular recess C132 docking.Certainly, on State rectangular recess C132 and can also be deformed into circular groove B131, as long as the wedge shape double fastener chip selecting profile matched is tied Structure 1, does not repeats.A wedge shape double fastener slice structure 1, each wedge shape double fastener chip it is placed with in each internal taper hole 8 A BFRP plate 2 covering protective pad 4 it is clamped with in structure 1.BFRP plate 2 is optic panel, and thickness is 1.2cm, and width is 8cm. Anchor slab 5 is plane A51 for steel and its left surface, and anchor cylinder 3 right side is also plane, is therebetween plane contact.Wedge shape is double The tilt angle theta of clip type structure 1 is 2.8 °, and the tilt angle alpha of internal taper hole 8 is 2.6 °, and both differential seat angles are 0.2 °.BFRP The surface of fiber cloth protective pad 4 is uniformly painted with 110 mesh epoxy quartz sands, and its thickness is 0.4mm.
When the plate anchor structure system of the present embodiment is assembled, BFRP plate 2 surface in anchorage zone is covered by protective pad about 4 Protection, then 4 intermediate plates of wedge shape double fastener slice structure 1 are pushed in 2 internal taper holes 8 of anchor cylinder 3, and make wedge shape double fastener chip tie The outside wall surface of structure 1 is in close contact with the internal face of anchor cylinder 3, and three pieces of separable anchor barrel members 13 of anchor cylinder 3 are by 8 fastening spiral shells Bolt-lock is tight.Use jack and moveable anchor that 2 rectangle BFRP plates 2 are applied the axial prestress of 150KN, after stretch-draw, by inciting somebody to action 4 intermediate plates of wedge shape double fastener slice structure 1 are locked in 2 internal taper holes 8 of anchor cylinder 3, then by anchor slab 5 by the plate of the present embodiment Anchor structure system and anchor structure system grappling.
Embodiment three:
As shown in Figure 10 to Figure 12 b, the present embodiment is with the difference of embodiment one:
Anchor cylinder 3 is the integral structure with rectangular cross section, is enclosed construction.Anchor slab 5 be steel and its on the left of Face is plane A51, and anchor cylinder 3 right side is also plane, is therebetween plane contact.Sheet material 2 is CFRP optic panel, and thickness is 0.8cm, width is 12cm.The tilt angle theta of wedge shape double fastener slice structure 1 and the tilt angle alpha of internal taper hole 8 all may be designed as 2 ° To 10 °.The tilt angle theta of wedge shape double fastener slice structure 1 is 2.6 °, and the tilt angle alpha of internal taper hole 8 is 2.5 °, both angles Difference is 0.1.Protective pad 4 is BFRP plate, and the thickness of protective pad 4 is 0.3mm, width is 12cm.
As shown in Figure 13 a, Figure 13 b, for anchor cylinder 3, a kind of distressed structure of wedge shape double fastener slice structure 1, i.e. have employed as Upper clip 101 shown in Figure 14, lower clamping piece 102.
When the plate anchor structure system of the present embodiment is assembled, in anchorage zone, CFRP plate surface is by BFRP plate protective pad about 4 Two intermediate plates of wedge shape double fastener slice structure 1 are pushed in the internal taper hole 8 of closed rectangle anchor cylinder 3, and make wedge by covering protection afterwards The outside wall surface of shape double fastener slice structure 1 is in close contact with the internal face of closed rectangle anchor cylinder 3.Utilize jack and moveable anchor pair Rectangle CFRP plate applies the axial prestress of 180KN, after stretch-draw completes, by rectangle CFRP plate by wedge shape double fastener slice structure 1 2 intermediate plates be locked in internal taper hole 8, finally by anchor slab 5 by double fastener chip plate anchor structure system and anchor structure system anchor Fixed.
As shown in Figure 18 a to Figure 18 f, the assembly method of the plate anchor structure system of the present embodiment, comprise the steps:
I, anchor slab 5 via through holes 7 is penetrated from the tail end of sheet material 2, and fixing with the surface of anchoring structure be connected;
II, anchor cylinder 3 is penetrated from the tail end of sheet material 2, and plane A51 of the right-hand member plane of anchor cylinder 3 with anchor slab 5 is closely joined Splice grafting touches;
III, lay BFRP plate protective pad 4 in the upper and lower surface that anchorage zone is sheet material 2, and by wedge shape double fastener slice structure 1 2 intermediate plates be seated on the top and bottom of the sheet material 2 being coated with BFRP plate protective pad 4;
IV, 2 intermediate plates of the interior BFRP of being clamped with plate protective pad 4 and the wedge shape double fastener slice structure 1 of sheet material 2 are pushed anchor cylinder 3 Internal taper hole 8 in;
V, employing jack and moveable anchor apply axial prestress to sheet material 2, and by the 2 of wedge shape double fastener slice structure 1 Sheet material 2 is locked in the internal taper hole 8 of anchor cylinder 3 by individual intermediate plate, will double fastener chip plate anchor structure system and anchor structure system anchor Fixed;
VI, the additional length of cutting sheet material 2 tail end, utilize rearmounted anti-corrosion cap 6 by the tail of double fastener chip plate anchor structure system End seals.
Embodiment four:
As shown in Figure 19 a, Figure 19 b, the plate anchor structure system of the present embodiment is for the completely decomposed stratum of coast protection structure In the grappling of the outer anchor head of CFRP plate soil bolt.The present embodiment is with the difference of embodiment one, and sheet material 2 is long 27m, transversal Individual carbon fibers thick, wide for 14cm for face a size of 8mm strengthens composite CFRP plate.Anchor cylinder 3 is with rectangular cross section Body formula structure, is enclosed construction.Anchor slab 5 is plane A51 for steel and its left surface, and anchor cylinder 3 right side is also plane, two It it is plane contact between person.Protective pad 4 is GFRP plate.
Tension type bonding-type full-length CFRP plate soil bolt construction procedure, i.e. utilizes the anchoring side of the system of the present embodiment Method, comprises the steps:
(i) apply jumbolter by design attitude and angle on the built outside operation platform having concrete revetment barricade The long 26m of injection, the soil layer anchor hole of a diameter of 170mm, and carry out clear water hole flushing;
(ii) the CFRP plate 2 with centralizer and Grouting Pipe is put into the design attitude in anchor hole;
(iii) open grouting pump, with the grouting pressure of 0.6MPa, the cement mortar that the ratio of mud is 0.46 is filled from the bottom of Grouting Pipe Enter bottom anchor hole, until filling anchor hole;
(iv) the anchor slab 5 with through hole 7 is passed from the tail end of CFRP plate 2, ensureing anchor slab 5 and construction anchor hole perpendicular condition Under, anchor slab 5 is welded on double I-steel breast beam structure;
(v) anchor cylinder 3 passes the tail end of CFRP plate 2, and CFRP plate 2 top and bottom in anchorage zone cover GFRP plate protective pad 4;
(vi) two intermediate plates of wedge shape double fastener slice structure 1 are pushed in internal taper hole 8, and make wedge shape double fastener slice structure 1 Outside wall surface is in close contact with the internal face of anchor cylinder 3;
(vii) use jack and moveable anchor CFRP plate 2 to apply axial prestress to design load, then utilize wedge shape double fastener CFRP plate 2 in two intermediate plate lock anchor cylinders 3 of slice structure 1, it is achieved double fastener chip plate anchor structure system and anchor structure body The grappling of system;
(viii) cut the redundance of CFRP plate 2 tail end, utilize rearmounted anti-corrosion cap 6 by the tail of double fastener chip plate anchor structure system End seals, and completes the anchoring construction of single tension type bonding-type full-length CFRP plate soil bolt.
Embodiment five:
As shown in Figure 20 a, Figure 20 b, the plate anchor structure system of the present embodiment is for the CFRP stretch board of bridge strengthening construction The anchoring of termination, this anchoring engineering comprises 9 cage plate anchor structure systems altogether.The plate anchor structure system of the present embodiment and embodiment one Difference is, wedge shape double fastener slice structure 1 uses the structure as shown in Figure 14, Figure 16.Anchor cylinder 3 is with rectangular cross section Body formula structure, is enclosed construction.Sheet material 2 is CFRP plate.Protective pad 4 is BFRP plate.
During assembling, first 2 are fixed on steel anchoring piece 201 with the anchor slab 5 of the sphere 52 of indent, then lead to Cross bolt and high strength structure glue and steel anchoring piece 201 is anchored in the design attitude treating reinforcement bridge bottom surface, and make 2 steel anchoring pieces 201 are spaced layout in opposite directions.Then by thickness 6mm, the two ends of the CFRP plate 2 of wide 16cm are each passed through the center of 2 steel anchoring pieces 201 2 anchor cylinders 3 are penetrated by through hole 202 subsequently respectively from the two ends of CFRP plate 2, and the front end convex spherical of anchor cylinder 3 and anchor slab 5 Interior concave spherical surface 52 is in close contact.Upper and lower surface at the predetermined anchorage point of CFRP plate 2 is covered each by BFRP plate protective pad 4, then The upper and lower surface of BFRP plate protective pad puts 2 intermediate plates of wedge shape double fastener slice structure 1 respectively, will be clamped with BFRP plate protective pad subsequently 2 intermediate plates of the wedge shape double fastener slice structure 1 of 4 push in the internal taper hole 8 of anchor cylinder 3.In CFRP plate 2 exposure respectively in wedge shape double fastener The bared end of moveable anchor clamping CFRP plate 2, wherein the jack clamping of one end it is utilized respectively at two outer end position of slice structure 1 Moveable anchor, and overhead is on steel anchoring piece 201, the jack pair moveable anchor of the other end carries out stretch-draw.Stretch-draw reaches design and in advance should The CFRP plate 2 in two intermediate plate lock anchor cylinders 3 of wedge shape double fastener slice structure 1 is utilized after force value.Repeat above-mentioned enforcement step, complete The tensioning fixation work of the other end, exits jack and the moveable anchor at CFRP plate 2 two ends.Finally cut the dew at CFRP plate 2 two ends Go out the redundance of end, and rearmounted anti-corrosion cap 6 is assembled in the rear end of the anchor cylinder 3 at two ends, completes a stretch-draw of bridge strengthening The construction of CFRP plate.
In the various embodiments described above, sheet material 2 is one or two, it is also possible to be three or many, and its thickness is more than 2mm, wide Degree is more than 3cm.The outer surface of CFRP or BFRP plate can be bright finish or boss surface, it is possible to is carried out by the spraying of local quartz sand Surface roughening processes.In the range of the anchorage length of wedge shape double fastener slice structure 1, stone can be carried out on CFRP or BFRP plate surface Sand even application processes, or does not processes in the subrange of employing front end, carries out quartz sand spraying, also in the range of the major part of rear portion Carry out quartz sand low-density spraying in can using front end subrange, and in the range of the major part of rear portion, carry out quartz sand high density Spraying.Length L of wedge shape double fastener slice structure 1 can be more than or less than length W of anchor cylinder 3.Certainly, the institute listed in the present embodiment Have data to be only used for the technical solution of the utility model to illustrate, do not constitute restriction of the present utility model, concrete practice In, above-mentioned data can adjust according to demand.
The anchor cylinder 3 of split-type structural and the intermediate plate of wedge shape double fastener slice structure 1 can use steel or high-intensity fiber to be combined Material BFRP is wound around injection or RPC reactive powder high performance concrete makes.The anchor cylinder 3 of closed i.e. integral structure and wedge The intermediate plate of shape double fastener slice structure 1 then can use steel or high-intensity fiber composite GFRP to be wound around injection or UHPC superelevation Can concrete for making.
In a word, this utility model one double fastener chip plate anchor structure system, its object is to add for ground anchorage, structure Gu and the needs in ocean engineering field, for high-performance fiber strengthen the end anchorage of composite panel provide a kind of safe and reliable, The board-like anchorage of Applied economy.Use double fastener chip plate anchor structure system of the present utility model can reduce the geometry of board-like anchorage Size, reduces the notch effect of the small bore end stress concentration that plate anchor produces, it is to avoid CFRP/BFRP plate occurs early in anchoring procedure Phase cuts off destruction causes anchor structure system to lose efficacy.And, plate anchor structure system of the present utility model assembling is simple, uses quickly Assembly method, reliably can anchor CFRP/BFRP plate with anchor structure system.
Embodiment described above is only to be described preferred implementation of the present utility model, not to this practicality Novel scope is defined, and on the premise of without departing from this utility model design spirit, those of ordinary skill in the art are to this Various deformation that the technical scheme of utility model is made and improvement, all should fall into the protection that this utility model claims determine In the range of.

Claims (8)

1. a double fastener chip plate anchor structure system, it is characterised in that: include that anchor cylinder (3), described anchor cylinder (3) middle part offer edge The internal taper hole (8) that its centrage extends, along the centerline direction of anchor cylinder (3), the aperture R of described internal taper hole (8) is identical, hole height H Successively decrease, in described internal taper hole (8), be placed with wedge shape double fastener slice structure (1) that profile is matched, described wedge shape double fastener chip The middle part of structure (1) offers the centre bore (9) extended along its centrage, is clamped with sheet material (2), institute in described centre bore (9) Stating sheet material (2) upper and lower surface to be provided with it with wide protective pad (4), through hole (7) is offered at one end of described anchor cylinder (3) and middle part Anchor slab (5) coincide and connects, and the other end is provided with plug-in connection, and rearmounted anti-corrosion cap (6) is connected with anchor cylinder (3) by plug-in connection, The described sheet material (2) of axial tension runs through described through hole (7), internal taper hole (8) the most finally runs through and is fixed on described centre bore (9) Among.
A kind of double fastener chip plate anchor structure system the most according to claim 1, it is characterised in that: described wedge shape double fastener chip The edge of the centre bore (9) of one end that the cross section of structure (1) is less is provided with circular arc chamfering (12), described wedge shape double fastener chip The tilt angle theta of structure (1) is more than the tilt angle alpha of described internal taper hole (8).
A kind of double fastener chip plate anchor structure system the most according to claim 2, it is characterised in that: described anchor slab sets on (5) It is equipped with the sphere (52) of plane A (51) or indent, the described anchor cylinder (3) shape near anchor slab (5) one end and described sphere (52) Or plane A (51) coordinates.
A kind of double fastener chip plate anchor structure system the most according to claim 3, it is characterised in that: the horizontal stroke of described protective pad (4) Cross section is rectangle, and its external coating epoxy quartz sand or be impregnated with polyurethane, and the axial length a of described protective pad (4) is more than described The axial length L of wedge shape double fastener slice structure (1) and the axial length W of described anchor cylinder (3).
A kind of double fastener chip plate anchor structure system the most according to claim 4, it is characterised in that: described wedge shape double fastener chip Structure (1) includes upper clip (101), the lower clamping piece (102) arranged symmetrically, described upper clip (101), lower clamping piece (102) The enveloping outer enclosure that cross section is circular arc or rectangle and respective vertical section be the centerline dip relative to internal taper hole (8) Straight line, described upper clip (101), the opposite face of lower clamping piece (102) are plane B (10), described upper clip (101), lower clamping piece (102) symmetrical interval is arranged and is formed centre bore (9), described plane B (10) is all machined with horizontal tooth stricture of vagina or is adhesive with polyurethane Matte.
A kind of double fastener chip plate anchor structure system the most according to claim 5, it is characterised in that: described upper clip (101), The upper symmetry of plane B (10) of lower clamping piece (102) offers rectangular recess A (11), on described upper clip (101), lower clamping piece (102) The symmetrical interval of rectangular recess A (11) arrange and form centre bore (9).
A kind of double fastener chip plate anchor structure system the most according to any one of claim 1 to 6, it is characterised in that: described Anchor cylinder (3) is the split-type structural being made up of at least two pieces of separable anchor barrel members (13), each anchor of described split-type structural Barrel member (13) is fastenedly connected by fastening bolt, and the opposite face of adjacent anchor barrel member (13) all offers circular groove B (131) or rectangular recess C (132), described circular groove B (131) or rectangular recess C (132) docking form internal taper hole (8).
A kind of double fastener chip plate anchor structure system the most according to any one of claim 1 to 6, it is characterised in that: described Anchor cylinder (3) is the integral structure with rectangular cross section.
CN201620709655.0U 2016-07-06 2016-07-06 A kind of double fastener chip plate anchor structure system Active CN205804346U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106013139A (en) * 2016-07-06 2016-10-12 中国京冶工程技术有限公司 Double clamping piece type plate anchor structure system and assembly method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106013139A (en) * 2016-07-06 2016-10-12 中国京冶工程技术有限公司 Double clamping piece type plate anchor structure system and assembly method thereof

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