CN208309582U - Integrated anti-floating device of open prestressed high-strength concrete pipe pile and anti-floating anchor rod - Google Patents
Integrated anti-floating device of open prestressed high-strength concrete pipe pile and anti-floating anchor rod Download PDFInfo
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- CN208309582U CN208309582U CN201820809459.XU CN201820809459U CN208309582U CN 208309582 U CN208309582 U CN 208309582U CN 201820809459 U CN201820809459 U CN 201820809459U CN 208309582 U CN208309582 U CN 208309582U
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- 238000007667 floating Methods 0.000 title claims abstract description 29
- 239000011372 high-strength concrete Substances 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 177
- 239000010959 steel Substances 0.000 claims abstract description 177
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 claims abstract 15
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 claims abstract 15
- 239000000835 fiber Substances 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 230000015271 coagulation Effects 0.000 claims description 12
- 238000005345 coagulation Methods 0.000 claims description 12
- 239000003351 stiffener Substances 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 10
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- 239000007787 solid Substances 0.000 claims description 5
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- 239000000203 mixture Substances 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
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- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 17
- 230000008901 benefit Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 14
- 239000004570 mortar (masonry) Substances 0.000 description 7
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002131 composite material Substances 0.000 description 3
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- Piles And Underground Anchors (AREA)
Abstract
The utility model belongs to the technical field of foundation engineering, a integrated anti-floating device of an open prestressed high-strength concrete pipe pile and an anti-floating anchor rod is related to, one end of a GFRP anti-floating anchor rod body positioner is bound on a GFRP anti-floating anchor rod body, the other end is bound at a hole reserved on an annular steel plate, a fixed support is installed on the flat ground, a centering bracket is installed on the GFRP anti-floating anchor rod body and is connected with the open prestressed high-strength concrete pipe pile, a thread round hole is manufactured on the reserved inner wall of the center of an expansion head, the expansion head is installed on the outer surface of the top end of the GFRP anti-floating anchor rod body and is poured in a foundation slab, and a round steel plate is placed inside the open prestressed high-strength concrete; the reverse L-shaped steel bar is welded with the round steel plate, the cushion layer is laid on the ground, the foundation slab is arranged on the cushion layer, the structure is simple, the installation is quick and simple, the operability is strong, the energy is saved, the environment is protected, the economic benefit and the social benefit are obvious, the construction process of independently making the anti-floating anchor rod is reduced, the construction period is shortened, and the cost is reduced.
Description
Technical field:
The utility model belongs to ground foundation engineering technical field, is related to a kind of composite material anti-float anchor rod and prestressing force is high
The integrated anti-floating system of reinforced concrete tubular pole, especially a kind of open prestressed high strength coagulation tubular pole and anti-float anchor rod one
Change anti-floating system.
Background technique:
PHC piles are easily controllable with the raw quality of industrial scale with it and check, pile sinking
Quality is more guaranteed than bored concrete pile, bearing capacity of single pile is high, adaptable to engineering geological condition, the construction period is short, construction site without
The advantages that pollution, has been widely used in the field of civil engineering such as industry and civil buildings, highway bridge, harbour, has become China and answer
With one of widest pile-type.In particular by the PHC piles of static pressure construction, meet green assembly
The developing direction of formula.
But with the utilization of the underground space and being continuously increased for building embedded depth of foundation, anti-floating problem is also following.
And pressure bearing pile itself cannot support underground water anti-floating power bring and endanger, so it is highly important for selecting suitable measure of anti float.
Compared with the measure of anti float such as Yield rainfall relation method, ballast method, uplift pile, anti-float anchor rod has ground adaptability strong, and dispersive stress is convenient for
It the advantages that construction, saving construction cost, is widely applied in field of civil engineering.Currently, the material of anti-float anchor rod is substantially with steel
Based on muscle, and environment locating for anti-float anchor rod is poor, throughout the year in underwater or alternation of wetting and drying region, present in underground water
Chloride ion makes reinforced anchor bolt by chemical attack.Especially in Construction of Urban Rail Traffic, the stray electrical current of generation makes reinforcing bar anchor
Bar greatly reduces the service life of anti-float anchor rod, therefore, the Anticorrosion of anchor structure is more simultaneously by electrochemical corrosion
It is prominent, but the breakthrough that the Anticorrosion of anchor pole obtains essence not yet at present uses nonmetallic materials anchor in this case
Bar becomes optimal selection.GFRP (Glass Fiber Reinforced Polymer) material is using glass fibre as strengthening material
Material, synthetic resin is basis material, and using silvalin dipping, there are also the unsaturated polyester (UP) trees of a variety of auxiliary agents such as curing agent, promotor
After the resin adhesive liquids such as rouge, by pultrusion, a kind of composite material for winding screw thread, solidifying one-pass molding and being formed, GFRP anchor pole tool
Have the advantages that tensile strength height, light weight, anticorrosive, anti-electromagnetic interference capability be strong, low cost, in recent years slope reinforcement,
There are more research and application in the fields such as pattern foundation pit supporting structure.
Urban construction at present is just in progress like a raging fire, and the usage amount of anti-float anchor rod is continuously increased, GFRP anti-float anchor rod
It is a urgent and significant job using advantageously reducing project cost and building safety engineering.Nowadays by prestressing force
High-strength concrete pipe pile and GFRP anti-float anchor rod combine anti-floating, on the one hand can compensate PHC piles
Vertical compression bearing capacity, save the cost；Without drilling when another aspect anti-float anchor rod is constructed, the disengaging of large scale equipment is avoided
, equally reduce project cost, it is seen then that economic benefit is very significant.Therefore, a kind of reasonable, reliable prestressed high-strength is designed
Spend coagulation tubular pole anti-floating system integrated with composite material anti-float anchor rod it is extremely urgent, have broad application prospects with it is good
Economic benefit.
Summary of the invention:
The purpose of the utility model is to overcome disadvantages of the existing technology, under the premise of not improving cost, provide
A kind of open prestressed high strength coagulation tubular pole anti-floating system integrated with anti-float anchor rod is by corrosion resistance good, tension is strong
High nonmetallic materials are spent to connect as the anti-float anchor rod body of rod, and by anti-float anchor rod and PHC piles
Connect, so that PHC piles are linked together with anti-float anchor rod, reduce working procedure, shorten the construction period, reduce at
This, realize PHC piles can resist vertical pressure with but also resist the target of buoyancy force of underground water.
To achieve the goals above, open prestressed high strength coagulation tubular pole described in the utility model and anti-float anchor rod one
The main structure for changing anti-floating system includes GFRP anti-float anchor rod body of rod locator, hold-down support, centering bracket, GFRP anti-float anchor rod
The body of rod, open PHC piles, enlarged footing, inverted L-shaped reinforcing bar, circular steel plate, bed course, sole plate；GFRP
One end of anti-float anchor rod body of rod locator is bound on the GFRP anti-float anchor rod body of rod, other end binding ring steel in hold-down support
At the reserving hole of plate, prevent the GFRP anti-float anchor rod body of rod of centering from sliding downwards；Hold-down support is mounted on smooth ground
On, to guarantee its stability；Centering bracket be mounted on the GFRP anti-float anchor rod body of rod and with open prestressed high strength concrete
Tubular pole connection, the GFRP anti-float anchor rod body of rod are on the center line in open PHC piles aperture；GFRP is anti-
Drogue club shaft is the solid anchor pole of full thread glass fiber reinforced polymer, and the material of enlarged footing is glass fiber reinforced polymer
Material (identical as the material of the GFRP anti-float anchor rod body of rod), circular hole is reserved at center, is formed with screw thread on the inner wall of aperture, enlarged footing it is outer
Outline diameter is 5 times of reserved Circularhole diameter, and enlarged footing is mounted on GFRP anti-float anchor rod body of rod top in a manner of screw thread couple
Outer surface and be cast in sole plate, be marked at the screw thread couple of enlarged footing and the GFRP anti-float anchor rod body of rod mass ratio be 2:
1 epoxy resin and EP type curing agent mixed liquor, on the one hand for increasing the forced area of anchored end, diffusion-induced stress improves anchor
Gu on the other hand the effect of power is able to achieve the purpose of sealing；Inverted L-shaped reinforcing bar is made of the plain bar of diameter 8mm, circular steel plate
With a thickness of 4mm, diameter is slightly less than the internal diameter of PHC piles, and circular steel plate is just put into open answers in advance
Inside power high-strength concrete pipe pile；Inverted L-shaped reinforcing bar and circular steel plate are welded, and are uniformly distributed in circular steel with 120 ° of angle
The edge of plate avoids injecting anchorage mortar in the long range of the entire stake of open PHC piles, only by anchor
Gu injecting anchorage mortar within the scope of the anchorage depth that power determines, achievees the purpose that save material, reduces cost；Bed course is thin by C15
Stone element mixed mud is made, and on the ground, top surface smoothes out setting cushion, is convenient for its surfacing in assembling reinforcement above,
Play the role of protecting sole plate；Sole plate is made of armored concrete, and according to construction drawing and " building foundation designs
Specification " requirement of (GB50007-2011) constructed and is arranged on bed course, and the GFRP anti-float anchor rod body of rod anchors into sole plate
It is interior.
GFRP anti-float anchor rod body of rod locator described in the utility model is made of iron wire, specification 18#, diameter 1.6mm.
Hold-down support described in the utility model is welded by seamless steel pipe and doughnut-shaped steel plate, and seamless steel pipe is higher by prestressing force
High-strength concrete pipe pile stake top upper surface at least 10cm, diameter is 10cm bigger than PHC piles stake diameter,
The width of doughnut-shaped steel plate is 8cm, and symmetrical hole is reserved on doughnut-shaped steel plate, and the size of hole keeps the GFRP anti-float anchor rod body of rod fixed
Position device passes through, for fixing GFRP anti-float anchor rod body of rod locator, to prevent the GFRP anti-float anchor rod body of rod from sliding up and down.
Centering bracket described in the utility model is by bolt, nut, steel valve, the first steel disc, steel sleeve, the second steel disc, trapezoidal
Steel disc, silk stick, interior mantle fiber seamless steel pipe, ribbed stiffener steel disc composition, wherein steel valve is by seamless steel pipe by 90 ° of even partition systems
At the first steel disc is welded at the both ends of steel valve, and in the position of form center reserving hole of the first steel disc, hole is sized so that spiral shell
Bolt passes through, adjacent steel valve by screw bolt and nut be of coupled connections together, by tighten screw bolt and nut improve steel valve and
The bond stress of the GFRP anti-float anchor rod body of rod；On the Axisymmetric Distributed Line of each steel valve along steel valve outer surface weld steel sleeve, steel sleeve by
Seamless steel pipe is made, and with a thickness of 2mm, diameter 2.5cm, length of the silk stick in steel sleeve is two of the length outside steel sleeve
Times；The solid iron staff that silk stick is diameter 2cm, and surface has screw thread, the side length of the second steel disc is 5cm, with a thickness of 2mm, silk stick
One end be mounted in steel sleeve, the other end is welded in the centroid of the second steel disc, mixed for increasing open prestressed high strength
The forced area of solidifying soil tubular pole inner wall, improves overall stability, interior mantle fiber seamless steel pipe and silk stick are by way of screw thread couple
Connection, the length is 3cm, trapezoidal steel disc height is 5cm, and with a thickness of 2mm, trapezoidal steel disc is welded on the outer of interior mantle fiber seamless steel pipe
Wall welds ribbed stiffener steel disc between interior mantle fiber seamless steel pipe and trapezoidal steel disc, and ribbed stiffener steel disc shape is triangle, with a thickness of
2mm, the side length of two right-angle sides are 3cm, for enhancing the strength and stability of trapezoidal steel disc and interior mantle fiber seamless steel pipe, are installed
The interior mantle fiber seamless steel pipe on silk stick is adjusted when centering bracket, so that the GFRP anti-float anchor rod body of rod is in open prestressed high strength mixed
On the center line in solidifying soil tubular pole aperture, and so that the second steel disc is tightly attached to prestressed high strength by mantle fiber seamless steel pipe in adjusting and mix
On the inner wall of solidifying soil tubular pole.
The utility model compared with prior art, open PHC piles can not only bear pressure and
And buoyancy force of underground water can also be resisted, so that resistance to compression and anti-floating is integrated in one, to reduce the construction work for individually doing anti-float anchor rod
Sequence is marched into the arena without large scale equipments such as jumbolters, and then can be shortened the construction period, and open PHC piles
Belong to prefabricated pile (assembling type base), it is easy for construction, pressure can be born but also bear pulling force brought by anti-floating, optimize stake
Mechanical characteristic, and then improve the mechanical property of pile body；On this basis, by original open PHC piles
Size (including stake diameter, stake long) can advanced optimize, to reach saving material, reduce energy consumption, save the mesh of project cost
, structure is simple, installs fast and convenient, strong operability, energy conservation and environmental protection, economic benefit and social benefit are significant, reduce
The working procedure for individually doing anti-float anchor rod, shortens the duration, reduces cost, and can obtain higher, more reliable withdrawal resistance.
Detailed description of the invention:
Fig. 1 is open prestressed high strength coagulation tubular pole described in the utility model anti-floating system integrated with anti-float anchor rod
Main structure schematic illustration.
Fig. 2 is the schematic diagram of centering bracket described in the utility model
Fig. 3 is the relative position figure of trapezoidal steel disc described in the utility model, interior mantle fiber seamless steel pipe, ribbed stiffener steel disc.
Fig. 4 is the A-A sectional view of the utility model Fig. 3.
Fig. 5 is the principle schematic diagram of enlarged footing described in the utility model.
Fig. 6 is the top view of enlarged footing described in the utility model.
Fig. 7 is the top view of hold-down support described in the utility model.
Fig. 8 is the B-B sectional view of hold-down support described in the utility model Fig. 7.
Fig. 9 is the relative position figure of inverted L-shaped reinforcing bar 7 described in the utility model and circular steel plate 8.
Figure 10 is the C-C sectional view of the utility model Fig. 9
Figure 11 is the principle schematic diagram of inverted L-shaped reinforcing bar 7 described in the utility model.
Specific embodiment:
The utility model is described in further details by way of example and in conjunction with the accompanying drawings.
Embodiment:
The main body knot of the anti-floating system integrated with anti-float anchor rod of opening prestressed high strength coagulation tubular pole described in the present embodiment
Structure includes GFRP anti-float anchor rod body of rod locator 1, hold-down support 2, centering bracket 3, the GFRP anti-float anchor rod body of rod 4, open answers in advance
Power high-strength concrete pipe pile 5, enlarged footing 6, inverted L-shaped reinforcing bar 7, circular steel plate 8, bed course 9, sole plate 10；GFRP anti-floating anchor
One end of club shaft locator 1 is bound on the GFRP anti-float anchor rod body of rod 4, other end binding doughnut-shaped steel plate in hold-down support 2
At the reserving hole of 2-2, prevent the GFRP anti-float anchor rod body of rod 4 of centering from sliding downwards, it is ensured that anchorage length meets design and wants
It asks；Hold-down support 2 is mounted on smooth ground, to guarantee its stability；Centering bracket 3 is mounted on the GFRP anti-float anchor rod body of rod
It is connect on 4 and with open PHC piles 5, it is ensured that it is high that the GFRP anti-float anchor rod body of rod 4 is in open prestressing force
On the center line in 5 aperture of strength concrete tubular pole；The GFRP anti-float anchor rod body of rod 4 is that full thread glass fiber reinforced polymer is solid
Anchor pole；The material of enlarged footing 6 is glass fiber reinforced polymer material (identical as the material of the GFRP anti-float anchor rod body of rod 4), in
The heart reserves circular hole, and screw thread is formed on the inner wall of aperture, and the outer profile diameter of enlarged footing 6 is 5 times of reserved Circularhole diameter, enlarged footing 6
It is mounted on the outer surface on 4 top of the GFRP anti-float anchor rod body of rod in a manner of screw thread couple and is cast in sole plate 10, expands
First 6 and the GFRP anti-float anchor rod body of rod 4 screw thread couple at be marked with mass ratio be 2:1 epoxy resin and EP type curing agent mixing
Liquid, on the one hand for increasing the forced area of anchored end, diffusion-induced stress improves the effect of anchor force, is on the other hand able to achieve only
The purpose of water；Inverted L-shaped reinforcing bar 7 is made of the plain bar of diameter 8mm；Circular steel plate 8 with a thickness of 4mm, diameter is slightly less than
The internal diameter of PHC piles 5, circular steel plate 8 are just put into open PHC piles 5
Portion；Inverted L-shaped reinforcing bar 7 and circular steel plate 8 are welded, and the edge of circular steel plate 8 is uniformly distributed in 120 ° of angle, avoid opening
Anchorage mortar is injected in the mouth 5 long range of entire stake of PHC piles, it is only deep in the anchoring determined by anchor force
It spends and injects anchorage mortar in range, achieve the purpose that save material, reduce cost；Bed course 9 is made of C15 microlith element mixed mud,
Bed course 9 is laid on the ground, and top surface smoothes out, its surfacing is made to be convenient for also functioning to the basic bottom of protection in assembling reinforcement above
The effect of plate 10；Sole plate 10 is made of armored concrete, according to construction drawing and " Code for design of building "
The requirement of (GB50007-2011) is constructed and is arranged on bed course 9, and the GFRP anti-float anchor rod body of rod 4 anchors into sole plate 10
In.
GFRP anti-float anchor rod body of rod locator 1 described in the present embodiment is made of iron wire, specification 18#, diameter 1.6mm.
Hold-down support 2 described in the present embodiment is welded by seamless steel pipe 2-1 and doughnut-shaped steel plate 2-2, seamless steel pipe 2-1 high
5 stake top upper surface at least 10cm of PHC piles out, diameter is than PHC piles 5
The width of diameter big 10cm, doughnut-shaped steel plate 2-2 are 8cm, reserve symmetrical hole on doughnut-shaped steel plate 2-2, the size of hole makes
GFRP anti-float anchor rod body of rod locator 1 passes through, for fixing GFRP anti-float anchor rod body of rod locator 1, to prevent GFRP anti-floating
Anchor rod body 4 slides up and down.
Centering bracket 3 described in the present embodiment by bolt 3-1, nut 3-2, steel valve 3-3, the first steel disc 3-4, steel sleeve 3-5,
Second steel disc 3-6, trapezoidal steel disc 3-7, silk stick 3-8, the seamless steel pipe 3-9 of interior mantle fiber, ribbed stiffener steel disc 3-10 are formed, wherein steel
Valve 3-3 is made of seamless steel pipe by 90 ° of even partitions, and the first steel disc 3-4 is welded at the both ends of steel valve 3-3, and in the first steel
The position of form center reserving hole of piece 3-4, hole are sized so that bolt 3-1 is passed through, and adjacent steel valve 3-3 passes through bolt 3-1
Together with being of coupled connections with nut 3-2, steel valve 3-3 and the GFRP anti-float anchor rod body of rod are improved by tightening bolt 3-1 and nut 3-2
4 bond stress；Steel sleeve 3-5 is welded along the steel outer surface valve 3-3 on the Axisymmetric Distributed Line of each steel valve 3-3, steel sleeve 3-5 is by seamless
Steel pipe is made, and with a thickness of 2mm, diameter 2.5cm, silk stick 3-8 are the length outside steel sleeve 3-5 in the length in steel sleeve 3-5
Twice, silk stick 3-8 is the solid iron staff of diameter 2cm, and surface has screw thread, and the side length of the second steel disc 3-6 is 5cm, thickness
One end for 2mm, silk stick 3-8 is mounted in steel sleeve 3-5, and the other end is welded in the centroid of the second steel disc 3-6, for increasing
The forced area of open 5 inner wall of PHC piles, improve overall stability, interior mantle fiber seamless steel pipe 3-9 with
Silk stick 3-8 is connected by way of screw thread couple, and the length is 3cm, trapezoidal steel disc 3-7 height is 5cm, trapezoidal with a thickness of 2mm
Steel disc 3-7 is welded on the outer wall of interior mantle fiber seamless steel pipe 3-9, welds between interior mantle fiber seamless steel pipe 3-9 and trapezoidal steel disc 3-7
Ribbed stiffener steel disc 3-10, ribbed stiffener steel disc 3-10 shape are triangle, and with a thickness of 2mm, the side length of two right-angle sides is 3cm, are used
In the strength and stability for enhancing trapezoidal steel disc 3-7 and interior mantle fiber seamless steel pipe 3-9, silk stick 3-8 is adjusted when centering bracket 3 is installed
On interior mantle fiber seamless steel pipe 3-9, so that the GFRP anti-float anchor rod body of rod 4 is in open 5 aperture of PHC piles
Center line on, and by adjust in mantle fiber seamless steel pipe 3-9 so that the second steel disc 3-6 is tightly attached to prestressed high strength concrete pipe
On the inner wall of stake 5.
The present embodiment realizes the detailed process of open prestressed high strength coagulation tubular pole anti-floating integrated with anti-float anchor rod are as follows:
(1) it first squeezes into or static pressure opening PHC piles 5, by open prestressed high strength concrete pipe
The inner wall cleaning of stake 5 is smooth, clean, and stake week ground is flattened；
(2) by three inverted L-shaped reinforcing bars 7 with 120 ° of angle uniform welding to the edge of circular steel plate 8, and installed
To open 5 top surface of PHC piles, it is ensured that the bottom end of the GFRP anti-float anchor rod body of rod 4 is in circular steel plate 8
The distance on surface is no less than 50cm；
(3) seamless steel pipe 2-1 and doughnut-shaped steel plate 2-2 are welded together into composition hold-down support 2, and in doughnut-shaped steel plate 2-2
Upper symmetrical reserving hole, hole size can guarantee across iron wire；Then hold-down support 2 is installed, and guarantee hold-down support 2
The lower end 5cm that buries keep it firm；
(4) reserving hole at the centroid of the first steel disc 3-4, hole size guarantee that bolt 3-1 is passed through；And by first
Steel disc 3-4 is welded to the both ends of steel valve 3-3, then welds rigid casing 3-5 on the arc bisector of each steel valve 3-3, direction to
Outside, and by screw bolt and nut by four steel valve 3-3 it is of coupled connections together；
(5) silk stick 3-8 is closely welded at the centroid of the second steel disc 3-6, is guaranteed on silk stick 3-8 and the second steel disc 3-6
Surface is vertical；
(6) trapezoidal steel disc 3-7 is close-coupled to the outer wall of interior mantle fiber seamless steel pipe 3-9 in a welding manner, guarantees ladder
The shape upper surface steel disc 3-7 is vertical with interior mantle fiber seamless steel pipe 3-9, and between interior mantle fiber seamless steel pipe 3-9 and trapezoidal steel disc 3-7
Weld ribbed stiffener steel disc 3-10；
(7) steel valve 3-3 is fixed on the GFRP anti-float anchor rod body of rod 4, by tightening bolt 3-1 and nut 3-2 to improve
The bond stress of the steel valve 3-3 and GFRP anti-float anchor rod body of rod 4 installs two sets of steel valves according to practical anchorage length, then in two sets of steel
Two iron wires are bound on the GFRP anti-float anchor rod body of rod 4 in valve middle position, and guarantee to tighten and cannot slide；
(8) interior mantle fiber seamless steel pipe 3-9 and silk stick 3-8 are linked together by screw thread couple, and is answered in advance according to opening
The inner diameter size of power high-strength concrete pipe pile 5 adjusts interior mantle fiber seamless steel pipe 3-9, it is ensured that mantle fiber seamless steel pipe 3-9 in adjusting
The length ratio of top and bottom silk stick 3-8 be 2:1；
(9) silk stick 3-8 is inserted into steel sleeve 3-5, by adjusting the interior mantle fiber seamless steel pipe 3-9 on silk stick 3-8, is made
The GFRP anti-float anchor rod body of rod is located on the central axes of 5 internal diameter of open PHC piles, and ensures the second steel disc
3-6 is tightly attached on open 5 inner wall of PHC piles, and the final fixed GFRP anti-float anchor rod body of rod is answered in advance in opening
Length in power high-strength concrete pipe pile 5 is anchorage length design value, and ensures lower end and the circle of the GFRP anti-float anchor rod body of rod 4
Protective layer thickness between shape steel plate 8 is not less than 20cm；
(10) two iron wires on the GFRP anti-float anchor rod body of rod 4 are fixed on two reserving holes of hold-down support, and
Ensure that every iron wire will be tightened, be tensed, avoids 4 slide downward of the GFRP anti-float anchor rod body of rod；
(11) upper end of the GFRP anti-float anchor rod body of rod 4 is sealed and (when preventing from pouring mortar, splashes mortar) with plastic film,
It pours mortar and is flushed with open 5 stake top face of PHC piles；
(12) it is cut with snips along top of concrete after conserving 24 hours, and the GFRP anti-float anchor rod body of rod 4 is pushed up
The plastic film in portion is dismantled, and installs enlarged footing 6, and be tightened on the GFRP anti-float anchor rod body of rod 4, guarantees the GFRP anti-float anchor rod body of rod
4 flush with enlarged footing upper surface；After the installation is completed, by the requirement construction cushion coat 9 and sole plate 10 of construction drawing and related specifications.
Claims (4)
1. a kind of opening prestressed high strength coagulation tubular pole anti-floating system integrated with anti-float anchor rod, it is characterised in that main structure
Including GFRP anti-float anchor rod body of rod locator, hold-down support, centering bracket, the GFRP anti-float anchor rod body of rod, open prestressed high-strength
Spend concrete tubular pile, enlarged footing, inverted L-shaped reinforcing bar, circular steel plate, bed course, sole plate；GFRP anti-float anchor rod body of rod locator
One end is bound on the GFRP anti-float anchor rod body of rod, and other end binding is in hold-down support at the reserving hole of doughnut-shaped steel plate；It is fixed
Support is mounted on smooth ground, and centering bracket is mounted on the GFRP anti-float anchor rod body of rod and mixes with open prestressed high strength
Solidifying soil tubular pole connection, the GFRP anti-float anchor rod body of rod are on the center line in open PHC piles aperture；Expand
Circular hole is reserved at the center of major part, and screw thread is formed on circular-hole internal-wall, and the outer profile diameter of enlarged footing is 5 times of reserved Circularhole diameter,
Enlarged footing is mounted on the outer surface on GFRP anti-float anchor rod body of rod top in a manner of screw thread couple and is cast in sole plate, is expanded
The epoxy resin and the mixing of EP type curing agent that mass ratio is 2:1 are marked at the screw thread couple of major part and the GFRP anti-float anchor rod body of rod
Liquid；Inverted L-shaped reinforcing bar is made of the plain bar of diameter 8mm, circular steel plate with a thickness of 4mm, diameter is less than prestressed high-strength
The internal diameter of concrete tubular pile is spent, circular steel plate is put into inside open PHC piles；Inverted L-shaped reinforcing bar and circle
Steel plate welds, and the edge of circular steel plate is uniformly distributed in 120 ° of angle；Bed course is made of C15 microlith element mixed mud,
On the ground, sole plate is made of armored concrete and is arranged on bed course setting cushion, and the GFRP anti-float anchor rod body of rod anchors into
In sole plate.
2. open prestressed high strength coagulation tubular pole anti-floating system integrated with anti-float anchor rod according to claim 1, special
Sign is that the GFRP anti-float anchor rod body of rod locator is made of iron wire, specification 18#, diameter 1.6mm.
3. open prestressed high strength coagulation tubular pole anti-floating system integrated with anti-float anchor rod according to claim 1, special
Sign is that the hold-down support is welded by seamless steel pipe and doughnut-shaped steel plate, and seamless steel pipe is higher by prestressed high strength concrete
Tubular pole stake top upper surface at least 10cm, diameter is 10cm bigger than PHC piles stake diameter, the width of doughnut-shaped steel plate
Degree is 8cm, reserves symmetrical hole on doughnut-shaped steel plate, the size of hole is passed through for GFRP anti-float anchor rod body of rod locator.
4. open prestressed high strength coagulation tubular pole anti-floating system integrated with anti-float anchor rod according to claim 1, special
Sign is the centering bracket by bolt, nut, steel valve, the first steel disc, steel sleeve, the second steel disc, trapezoidal steel disc, silk stick, interior
Mantle fiber seamless steel pipe, ribbed stiffener steel disc composition, wherein steel valve is made of seamless steel pipe by 90 ° of even partitions, the both ends of steel valve
The first steel disc is welded, and in the position of form center reserving hole of the first steel disc, adjacent steel valve is coupled by screw bolt and nut to be connected
It is connected together, welds steel sleeve along steel valve outer surface on the Axisymmetric Distributed Line of each steel valve, steel sleeve is made of seamless steel pipe, thickness
For 2mm, diameter 2.5cm, length of the silk stick in steel sleeve is twice of the length outside steel sleeve；Silk stick is diameter 2cm's
Solid iron staff, and surface has screw thread, the side length of the second steel disc is 5cm, and with a thickness of 2mm, one end of silk stick is mounted on steel sleeve
Interior, the other end is welded in the centroid of the second steel disc；Interior mantle fiber seamless steel pipe is connect by way of screw thread couple with silk stick,
Length is 3cm, and trapezoidal steel disc height is 5cm, and with a thickness of 2mm, trapezoidal steel disc is welded on the outer wall of interior mantle fiber seamless steel pipe, inside
Ribbed stiffener steel disc is welded between mantle fiber seamless steel pipe and trapezoidal steel disc, ribbed stiffener steel disc shape is triangle, with a thickness of 2mm, two
The side length of right-angle side is 3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820809459.XU CN208309582U (en) | 2018-05-28 | 2018-05-28 | Integrated anti-floating device of open prestressed high-strength concrete pipe pile and anti-floating anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820809459.XU CN208309582U (en) | 2018-05-28 | 2018-05-28 | Integrated anti-floating device of open prestressed high-strength concrete pipe pile and anti-floating anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208309582U true CN208309582U (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820809459.XU Expired - Fee Related CN208309582U (en) | 2018-05-28 | 2018-05-28 | Integrated anti-floating device of open prestressed high-strength concrete pipe pile and anti-floating anchor rod |
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| CN (1) | CN208309582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112281928A (en) * | 2020-11-03 | 2021-01-29 | 北京万兴建筑集团有限公司 | Anti-floating anchor rod centering positioning device for single main rib and manufacturing method thereof |
-
2018
- 2018-05-28 CN CN201820809459.XU patent/CN208309582U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112281928A (en) * | 2020-11-03 | 2021-01-29 | 北京万兴建筑集团有限公司 | Anti-floating anchor rod centering positioning device for single main rib and manufacturing method thereof |
| CN112281928B (en) * | 2020-11-03 | 2022-03-08 | 北京万兴建筑集团有限公司 | Anti-floating anchor rod centering positioning device for single main rib and manufacturing method thereof |
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