CN208650042U - A kind of prefabricated GFRP pipe concrete hollow splicing stake - Google Patents
A kind of prefabricated GFRP pipe concrete hollow splicing stake Download PDFInfo
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- CN208650042U CN208650042U CN201821155135.5U CN201821155135U CN208650042U CN 208650042 U CN208650042 U CN 208650042U CN 201821155135 U CN201821155135 U CN 201821155135U CN 208650042 U CN208650042 U CN 208650042U
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- 210000003205 muscle Anatomy 0.000 claims abstract description 21
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Abstract
A kind of prefabricated GFRP pipe concrete hollow splicing stake, there are two types of pile extension modes for tool, the first is bolt connecting mode, and second is welding connecting mode.The pile body for being connected by screw bolts mode includes GFRP outer tube body, GFRP interior tube body, embedded steel tube, upper flanges plate, lower end flanged plate, dowel and bolt, embedded steel tube peripheral side is equipped with reserved rear pouring concrete area, bolt is set on upper flanges plate, screw hole is set on the flanged plate of lower end, and screw hole and bolt location correspond and after reserving in the range of pouring concrete area.Pile body using welding connecting mode includes GFRP outer tube body, GFRP interior tube body, upper end connecting plate and lower end connecting plate, and annular weld groove, the annular weld groove structure snd size having the same of upper and lower side connecting plate are equipped on upper end connecting plate and lower end connecting plate.It is cast with concrete in annular space between GFRP outer tube body and GFRP interior tube body, and can choose whether to add the steel reinforcement cage formed by indulging muscle and tie hoop before being poured concrete.
Description
Technical field
The utility model belongs to engineering construction technology field, hollow more particularly to a kind of prefabricated GFRP pipe concrete
Spliced pile.
Background technique
Currently, China builds high-speed railway on a large scale, the geological conditions that railway bed is faced is relative complex, pile foundation
Plinth, which becomes, can preferably meet one of complex geological condition and the basis of working load requirement.
Prefabricated pile foundation is applied in the engineerings such as many large-scale construction engineerings, bridge, roadbed, and existing pile body is according to its section
The difference of face shape can be divided into solid pile, hollow pile, round stake, barrette and shaped pile etc., and hollow pile therein has because of it
Contact area, the soil discharge quantity for increasing pile body and surrounding soil are small, save material, from heavy and light, low cost, pile quality controllability
By force, the advantages that applied widely, lifting is conveniently, speed of application is fast, quality testing facilitates is widely used in pile foundation；According to prefabricated
The difference that material is made in stake can be divided into precast concrete pile, prefabricated piling bar and prefabricated timber.It was verified that using prefabricated pile, often
The many stakes of Nian Douyou need to repair or replace pile foundation.By taking the U.S. as an example, it is used to repair and replace the expense of pile foundation every year up to 2
Hundred million dollars or so.As it can be seen that the difficulty of environmental restrictions and high maintenance expense will be faced using concrete-pile, piling bar or wooden stake,
In use, will face due to corrosion and bring security risk and higher maintenance cost especially in deep-etching soil property.Cause
This, researchs and develops the novel pile that a kind of bearing capacity is high, rigidity is big, anti-earthquake ductility is good, corrosion resistance is excellent and has become building
Engineering field engineers research hotspot.
In recent years, a kind of lightweight, the glass fiber reinforced polyester condensation material GFRP (Glass that high-strength, corrosion resistant performance is fabulous
Fiber Reinforced Polymer, abbreviation GFRP) enter construction market, it is new to have become one of field of civil engineering
Profile material, and the technical staff of field of civil engineering is to which create great interest, and attempts to introduce GFRP material pre-
Pile foundation processed, for improving bearing capacity, anti-earthquake ductility and the corrosion resistance of pile foundation, but due to the particularity of GFRP material (by
Constituted in glass fibre and resin), length needs are met by pile body that GFRP material manufactures, it is necessary to spell to pile body
It connects, but GFRP material can not be directly welded to connect because of material particularity, influence GFRP material in prefabricated pile foundation
In application.
Utility model content
In view of the problems of the existing technology, the utility model provides a kind of prefabricated GFRP pipe concrete hollow splicing stake,
Effectively overcome the limitation that GFRP material can not be directly welded to connect, at the same have it is easy for construction, easy to operate, easy
The characteristics of guaranteeing quality of connection.
To achieve the goals above, the utility model adopts the following technical solution: a kind of prefabricated GFRP pipe concrete is hollow
Spliced pile, including GFRP outer tube body, GFRP interior tube body, vertical muscle, tie hoop, upper flanges plate, lower end flanged plate, dowel, spiral shell
Bolt and embedded steel tube；The GFRP outer tube body with GFRP interior tube body is concentric is set in together, the vertical muscle and tie hoop are constituted
Steel reinforcement cage, steel reinforcement cage are built in the annular space formed between GFRP outer tube body and GFRP interior tube body；The upper flanges plate
Positioned at GFRP outer tube body and the top nozzle of GFRP interior tube body, the lower end flanged plate is located at GFRP outer tube body and GFRP interior tube body
Bottom end nozzle, be fixedly welded with dowel in upper flanges plate lower surface and lower end flanged plate upper surface, and dowel be located at by
In the annular space formed between GFRP outer tube body and GFRP interior tube body；The embedded steel tube is packed in table on the flanged plate of lower end
Face, and dowel is located on the inside of embedded steel tube；The embedded steel tube peripheral side is equipped with reserved rear pouring concrete area；Along the upper hold-carrying
The plate body of blue plate is circumferentially fixed to be welded with several bolts being uniformly arranged, and the screw portion of bolt extends to upper flanges upward
Above plate；Several screw holes, the position one-to-one correspondence of screw hole and bolt, and spiral shell are circumferentially evenly equipped with along the plate body of the lower end flanged plate
Hole and bolt are located in the range of reserved rear pouring concrete area；Between the upper flanges plate and lower end flanged plate, by GFRP
It is cast with concrete in the annular space formed between outer tube body and GFRP interior tube body, the vertical muscle, tie hoop, dowel and pre-
Steel pipe is buried to be packaged in concrete.
A kind of prefabricated GFRP pipe concrete hollow splicing stake, including GFRP outer tube body, GFRP interior tube body, upper flanges plate,
Lower end flanged plate, dowel, bolt and embedded steel tube；The GFRP outer tube body with GFRP interior tube body is concentric is set in together,
Annular space is formed between GFRP outer tube body and GFRP interior tube body；The upper flanges plate is located at GFRP outer tube body and GFRP inner tube
The top nozzle of body, the lower end flanged plate is located at the bottom end nozzle of GFRP outer tube body and GFRP interior tube body, in upper flanges plate
Lower surface and lower end flanged plate upper surface are fixedly welded with dowel, and dowel be located at by GFRP outer tube body and GFRP interior tube body it
Between in the annular space that is formed；The embedded steel tube is packed in lower end flanged plate upper surface, and dowel is located on the inside of embedded steel tube；
The embedded steel tube peripheral side is equipped with reserved rear pouring concrete area；If being welded with along the plate body of the upper flanges plate is circumferentially fixed
The dry bolt being uniformly arranged, and the screw portion of bolt is extended to upward above upper flanges plate；Along the lower end flanged plate
Plate body is circumferentially evenly equipped with several screw holes, the position one-to-one correspondence of screw hole and bolt, and screw hole and bolt pour coagulation after reserving
In the range of native area；Between the upper flanges plate and lower end flanged plate, formed by GFRP outer tube body and GFRP interior tube body
Concrete is cast in annular space, the dowel and embedded steel tube are packaged in concrete.
A kind of prefabricated GFRP pipe concrete hollow splicing stake, including GFRP outer tube body, GFRP interior tube body, vertical muscle, spiral hoop
Muscle, upper end connecting plate and lower end connecting plate；The GFRP outer tube body with GFRP interior tube body is concentric is set in together, the vertical muscle with
Tie hoop constitutes steel reinforcement cage, and steel reinforcement cage is built in the annular space formed between GFRP outer tube body and GFRP interior tube body；Institute
The top nozzle that upper end connecting plate is located at GFRP outer tube body and GFRP interior tube body is stated, the lower end connecting plate is located at GFRP outer tube body
And the bottom end nozzle of GFRP interior tube body, it is fixedly welded with dowel in upper end connecting plate lower surface and lower end connecting plate upper surface,
And dowel is located in the annular space by being formed between GFRP outer tube body and GFRP interior tube body；In upper end connecting plate upper surface
Peripheral edge along being provided with annular weld groove, the peripheral edge in lower end connecting plate lower surface connects along annular weld groove, upper end is also equipped with
The annular weld groove structure snd size having the same of fishplate bar and lower end connecting plate；The upper end connecting plate and lower end connecting plate it
Between GFRP tube body in be cast with concrete, the vertical muscle, tie hoop and dowel are packaged in concrete.
A kind of prefabricated GFRP pipe concrete hollow splicing stake, including GFRP outer tube body, GFRP interior tube body, upper end connecting plate and
Lower end connecting plate；The GFRP outer tube body with GFRP interior tube body is concentric is set in together, in GFRP outer tube body and GFRP interior tube body
Between form annular space；The upper end connecting plate is located at the top nozzle of GFRP outer tube body and GFRP interior tube body, the lower end
Connecting plate is located at the bottom end nozzle of GFRP outer tube body and GFRP interior tube body, the table on upper end connecting plate lower surface and lower end connecting plate
Face is fixedly welded with dowel, and dowel is located in the annular space by being formed between GFRP outer tube body and GFRP interior tube body；?
The peripheral edge of upper end connecting plate upper surface is also set along annular weld groove is provided on the peripheral edge edge of lower end connecting plate lower surface
It is equipped with annular weld groove, the annular weld groove structure snd size having the same of upper end connecting plate and lower end connecting plate；In the upper end
Concrete is cast in GFRP tube body between connecting plate and lower end connecting plate, the dowel is packaged in concrete.
The utility model has the beneficial effects that
The prefabricated GFRP pipe concrete hollow splicing stake of the utility model, effectively overcoming GFRP material can not directly carry out
The limitation of welded connecting, at the same have the characteristics that it is easy for construction, easy to operate, be easily guaranteed that quality of connection.
Detailed description of the invention
Fig. 1 is that the prefabricated GFRP pipe concrete hollow splicing stake (have steel reinforcement cage and pile body is bolted) of the utility model is tied
Structure schematic diagram；
Fig. 2 is that the prefabricated GFRP pipe concrete hollow splicing stake (no-reinforcing-bar cage and pile body is bolted) of the utility model is tied
Structure schematic diagram；
Fig. 3 is that the prefabricated GFRP pipe concrete hollow splicing stake of the utility model (has steel reinforcement cage and pile body is welded to connect) knot
Structure schematic diagram；
Fig. 4 is prefabricated GFRP pipe concrete hollow splicing stake (no-reinforcing-bar cage and pile body is welded to connect) knot of the utility model
Structure schematic diagram；
Fig. 5 is the structural schematic diagram of upper flanges plate；
Fig. 6 is the structural schematic diagram of lower end flanged plate；
Fig. 7 is the structural schematic diagram of upper end connecting plate；
Fig. 8 is the structural schematic diagram of lower end connecting plate；
Fig. 9 is the structural schematic diagram after upper end connecting plate is welded to connect with lower end connecting plate；
In figure, 1-GFRP outer tube body, 2-GFRP interior tube bodies, 3-vertical muscle, 4-tie hoops, 5-upper flanges plates,
6-lower end flanged plates, 7-dowels, 8-bolts, 9-reserved rear pouring concrete areas, 10-screw holes, 11-concrete, 12-is pre-
Bury steel pipe, 13-upper end connecting plates, 14-lower end connecting plates, 15-annular weld grooves, 16-weld seams.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of prefabricated GFRP pipe concrete hollow splicing stake, including GFRP outer tube body 1, GFRP interior tube body 2,
Vertical muscle 3, tie hoop 4, upper flanges plate 5 (as shown in Figure 5), lower end flanged plate 6 (as shown in Figure 6), dowel 7, bolt 8 and in advance
Bury steel pipe 12；The GFRP outer tube body 1 and GFRP interior tube body 2 is concentric to be set in together, and the vertical muscle 3 is constituted with tie hoop 4
Steel reinforcement cage, steel reinforcement cage are built in the annular space formed between GFRP outer tube body 1 and GFRP interior tube body 2；The upper flanges
Plate 5 is located at the top nozzle of GFRP outer tube body 1 and GFRP interior tube body 2, the lower end flanged plate 6 be located at GFRP outer tube body 1 and
The bottom end nozzle of GFRP interior tube body 2 is fixedly welded with dowel in 5 lower surface of upper flanges plate and 6 upper surface of lower end flanged plate
7, and dowel 7 is located in the annular space by being formed between GFRP outer tube body 1 and GFRP interior tube body 2；The embedded steel tube 12 is solid
Mounted in 6 upper surface of lower end flanged plate, and dowel 7 is located at 12 inside of embedded steel tube；12 peripheral side of embedded steel tube is equipped with reserved
Pouring concrete area 9 afterwards；Several bolts 8 being uniformly arranged, and bolt are welded with along the plate body of the upper flanges plate 5 is circumferentially fixed
8 screw portion extends to 5 top of upper flanges plate upward；Plate body along the lower end flanged plate 6 is circumferentially evenly equipped with several spiral shells
The position of hole 10, screw hole 10 and bolt 8 corresponds, and screw hole 10 and bolt 8 are located at the range in reserved rear pouring concrete area 9
It is interior；Between the upper flanges plate 5 and lower end flanged plate 6, by the ring formed between GFRP outer tube body 1 and GFRP interior tube body 2
Concrete 11 is cast in shape space, the vertical muscle 3, tie hoop 4, dowel 7 and embedded steel tube 12 are packaged in concrete 11
It is interior.
As shown in Fig. 2, a kind of prefabricated GFRP pipe concrete hollow splicing stake, including GFRP outer tube body 1, GFRP interior tube body 2,
Upper flanges plate 5 (as shown in Figure 5), lower end flanged plate 6 (as shown in Figure 6), dowel 7, bolt 8 and embedded steel tube 12；It is described
GFRP outer tube body 1 and GFRP interior tube body 2 is concentric to be set in together, and annular is formed between GFRP outer tube body 1 and GFRP interior tube body 2
Space；The upper flanges plate 5 is located at the top nozzle of GFRP outer tube body 1 and GFRP interior tube body 2, the lower end flanged plate 6
It is equal in 5 lower surface of upper flanges plate and 6 upper surface of lower end flanged plate in GFRP outer tube body 1 and the bottom end nozzle of GFRP interior tube body 2
It is fixedly welded with dowel 7, and dowel 7 is located in the annular space by being formed between GFRP outer tube body 1 and GFRP interior tube body 2；Institute
It states embedded steel tube 12 and is packed in 6 upper surface of lower end flanged plate, and dowel 7 is located at 12 inside of embedded steel tube；The embedded steel tube 12
Peripheral side is equipped with reserved rear pouring concrete area 9；Several be uniformly arranged is welded with along the plate body of the upper flanges plate 5 is circumferentially fixed
Bolt 8, and the screw portion of bolt 8 extends to the top of upper flanges plate 5 upward；Along the plate body week of the lower end flanged plate 6
To several screw holes 10 are evenly equipped with, the position of screw hole 10 and bolt 8 is corresponded, and screw hole 10 and bolt 8 be located at it is reserved after pour it is mixed
In the range of the area Ning Tu 9；Between the upper flanges plate 5 and lower end flanged plate 6, by GFRP outer tube body 1 and GFRP interior tube body 2
Concrete 11 is cast in the annular space of formation, the dowel 7 and embedded steel tube 12 are packaged in concrete 11.
As shown in figure 3, a kind of prefabricated GFRP pipe concrete hollow splicing stake, including GFRP outer tube body 1, GFRP interior tube body 2,
Vertical muscle 3, tie hoop 4, upper end connecting plate 13 (as shown in Figure 7) and lower end connecting plate 14 (as shown in Figure 8)；The GFRP outer tube
Body 1 and GFRP interior tube body 2 is concentric to be set in together, and the vertical muscle 3 constitutes steel reinforcement cage with tie hoop 4, and steel reinforcement cage is built in
In the annular space formed between GFRP outer tube body 1 and GFRP interior tube body 2；The upper end connecting plate 13 is located at GFRP outer tube body 1
And the top nozzle of GFRP interior tube body 2, the lower end connecting plate 14 are located at the bottom end pipe of GFRP outer tube body 1 and GFRP interior tube body 2
Mouthful, in upper end, 13 lower surface of connecting plate and 14 upper surface of lower end connecting plate are fixedly welded with dowel 7, and dowel 7 be located at by
In the annular space formed between GFRP outer tube body 1 and GFRP interior tube body 2；Peripheral edge in 13 upper surface of upper end connecting plate
Along annular weld groove 15 is provided with, in lower end, the peripheral edge of 14 lower surface of connecting plate is connected along annular weld groove 15, upper end is also equipped with
The structure snd size having the same of annular weld groove 15 of plate 13 and lower end connecting plate 14；Connect in the upper end connecting plate 13 with lower end
Concrete 11 is cast in GFRP tube body 1 between fishplate bar 14, the vertical muscle 3, tie hoop 4 and dowel 7 are packaged in coagulation
In soil 11.
As shown in figure 4, a kind of prefabricated GFRP pipe concrete hollow splicing stake, including GFRP outer tube body 1, GFRP interior tube body 2,
Upper end connecting plate 13 (as shown in Figure 7) and lower end connecting plate 14 (as shown in Figure 8)；The GFRP outer tube body 1 and GFRP interior tube body 2
It is set in together with one heart, forms annular space between GFRP outer tube body 1 and GFRP interior tube body 2；The upper end connecting plate 13
In GFRP outer tube body 1 and the top nozzle of GFRP interior tube body 2, the lower end connecting plate 14 is located in GFRP outer tube body 1 and GFRP
The bottom end nozzle of tube body 2, in upper end, 13 lower surface of connecting plate and 14 upper surface of lower end connecting plate are fixedly welded with dowel 7, and
Dowel 7 is located in the annular space by being formed between GFRP outer tube body 1 and GFRP interior tube body 2；On the upper end connecting plate 13
The peripheral edge on surface is along annular weld groove 15 is provided with, and in lower end, the peripheral edge edge of 14 lower surface of connecting plate is also equipped with annular weld groove
15, the structure snd size having the same of annular weld groove 15 of upper end connecting plate 13 and lower end connecting plate 14；It is connected in the upper end
Concrete 11 is cast in GFRP tube body 1 between plate 13 and lower end connecting plate 14, the dowel 7 is packaged in concrete 11.
Illustrate the pile extension process of the utility model with reference to the accompanying drawing:
Embodiment one: it is connected by screw bolts the prefabricated GFRP pipe concrete hollow splicing stake of mode
It after first prefabricated pile pile sinking, needs to connect second prefabricated pile, first slings second prefabricated pile,
The screw hole 10 on second prefabricated pile lower end flanged plate 6 is set to be directed at the bolt 8 on first prefabricated pile upper flanges plate 5, then
Slowly second prefabricated pile of control falls, and passes through the screw portion of bolt 8 from screw hole 10, until second prefabricated pile lower end
Flanged plate 6 and first prefabricated pile upper flanges plate 5 fit closely together, then install nut on screw rod and are locked,
Finally pouring concrete area 9 is poured upper fast hardening concrete after reserving, and the fast hardening concrete poured after will pour mixed after reserving
Bolt and nut in the area Ning Tu 9 all encapsulate, and the fast hardening concrete in pouring concrete area 9 reaches design strength after reserved
Afterwards, so that it may continue pile sinking operation.
Embodiment two: using the prefabricated GFRP pipe concrete hollow splicing stake of welding connecting mode
It after first prefabricated pile pile sinking, needs to connect second prefabricated pile, first slings second prefabricated pile,
The annular weld groove 15 on second prefabricated pile lower end connecting plate 14 is set to be directed at the annular on first prefabricated pile upper end connecting plate 13
Weld groove 15, then slowly second prefabricated pile of control falls, until second prefabricated pile lower end connecting plate 14 and first it is prefabricated
Stake upper end connecting plate 13 fits closely together, and the annular weld groove 15 under buckling state forms weld seam 16 at this time, butt welding before welding
Seam 16 is cleaned, and finally the welding (as shown in Figure 9) at weld seam 16 is completed using welding machine, to natural cooling at weld seam 16
Afterwards, so that it may continue pile sinking operation.
Scheme in embodiment is not the scope of patent protection to limit the utility model, all without departing from the utility model
Carried out by equivalence enforcement or change, be both contained in the scope of the patents of this case.
Claims (4)
1. a kind of prefabricated GFRP pipe concrete hollow splicing stake, it is characterised in that: including GFRP outer tube body, GFRP interior tube body, indulge
Muscle, tie hoop, upper flanges plate, lower end flanged plate, dowel, bolt and embedded steel tube；In the GFRP outer tube body and GFRP
Tube body is set in together with one heart, and the vertical muscle and tie hoop constitute steel reinforcement cage, and steel reinforcement cage is built in GFRP outer tube body and GFRP
In the annular space formed between interior tube body；The upper flanges plate is located at the top pipe of GFRP outer tube body and GFRP interior tube body
Mouthful, the lower end flanged plate is located at the bottom end nozzle of GFRP outer tube body and GFRP interior tube body, upper flanges plate lower surface and under
End flanges plate upper surface is fixedly welded with dowel, and dowel is located at the ring by being formed between GFRP outer tube body and GFRP interior tube body
In shape space；The embedded steel tube is packed in lower end flanged plate upper surface, and dowel is located on the inside of embedded steel tube；The pre-buried steel
Pipe peripheral side is equipped with reserved rear pouring concrete area；Several be uniformly arranged is welded with along the plate body of the upper flanges plate is circumferentially fixed
Bolt, and the screw portion of bolt is extended to upward above upper flanges plates；Plate body along the lower end flanged plate is circumferentially equal
It is furnished with several screw holes, the position one-to-one correspondence of screw hole and bolt, and screw hole and bolt are located at the range in reserved rear pouring concrete area
It is interior；It is empty by the annular formed between GFRP outer tube body and GFRP interior tube body between the upper flanges plate and lower end flanged plate
Interior to be cast with concrete, the vertical muscle, tie hoop, dowel and embedded steel tube are packaged in concrete.
2. a kind of prefabricated GFRP pipe concrete hollow splicing stake, it is characterised in that: including GFRP outer tube body, GFRP interior tube body, on
End flanges plate, lower end flanged plate, dowel, bolt and embedded steel tube；The GFRP outer tube body is mounted in GFRP interior tube body concentric locking collar
Together, annular space is formed between GFRP outer tube body and GFRP interior tube body；The upper flanges plate be located at GFRP outer tube body and
The top nozzle of GFRP interior tube body, the lower end flanged plate is located at the bottom end nozzle of GFRP outer tube body and GFRP interior tube body, upper
End flanges plate lower surface and lower end flanged plate upper surface are fixedly welded with dowel, and dowel is located at by GFRP outer tube body and GFRP
In the annular space formed between interior tube body；The embedded steel tube is packed in lower end flanged plate upper surface, and dowel is positioned at pre-buried
On the inside of steel pipe；The embedded steel tube peripheral side is equipped with reserved rear pouring concrete area；Plate body along the upper flanges plate is circumferentially solid
Surely several bolts being uniformly arranged are welded with, and the screw portion of bolt is extended to upward above upper flanges plate；Under described
The plate body of end flanges plate is circumferentially evenly equipped with several screw holes, the position one-to-one correspondence of screw hole and bolt, and screw hole and bolt are located in advance
In the range of Liu Hou pouring concrete area；Between the upper flanges plate and lower end flanged plate, by GFRP outer tube body and GFRP
It is cast with concrete in the annular space that tube body is formed, the dowel and embedded steel tube are packaged in concrete.
3. a kind of prefabricated GFRP pipe concrete hollow splicing stake, it is characterised in that: including GFRP outer tube body, GFRP interior tube body, indulge
Muscle, tie hoop, upper end connecting plate and lower end connecting plate；The GFRP outer tube body with GFRP interior tube body is concentric is set in together,
The vertical muscle and tie hoop constitute steel reinforcement cage, and steel reinforcement cage is built in the annular formed between GFRP outer tube body and GFRP interior tube body
In space；The upper end connecting plate is located at the top nozzle of GFRP outer tube body and GFRP interior tube body, and the lower end connecting plate is located at
The bottom end nozzle of GFRP outer tube body and GFRP interior tube body, in the fixed weldering in upper end connecting plate lower surface and lower end connecting plate upper surface
It is connected to dowel, and dowel is located in the annular space by being formed between GFRP outer tube body and GFRP interior tube body；Connect in the upper end
The peripheral edge of fishplate bar upper surface is also equipped with annular welds along annular weld groove is provided with, on the peripheral edge edge of lower end connecting plate lower surface
Slot, the annular weld groove structure snd size having the same of upper end connecting plate and lower end connecting plate；In the upper end connecting plate under
It is cast with concrete in GFRP tube body between the connecting plate of end, the vertical muscle, tie hoop and dowel are packaged in concrete.
4. a kind of prefabricated GFRP pipe concrete hollow splicing stake, it is characterised in that: including GFRP outer tube body, GFRP interior tube body, on
Hold connecting plate and lower end connecting plate；The GFRP outer tube body with GFRP interior tube body is concentric is set in together, in GFRP outer tube body and
Annular space is formed between GFRP interior tube body；The upper end connecting plate is located at the top pipe of GFRP outer tube body and GFRP interior tube body
Mouthful, the lower end connecting plate is located at the bottom end nozzle of GFRP outer tube body and GFRP interior tube body, upper end connecting plate lower surface and under
End connecting plate upper surface is fixedly welded with dowel, and dowel is located at the ring by being formed between GFRP outer tube body and GFRP interior tube body
In shape space；In the peripheral edge of upper end connecting plate upper surface along annular weld groove is provided with, in lower end connecting plate lower surface
Peripheral edge edge is also equipped with annular weld groove, the annular weld groove structure having the same and ruler of upper end connecting plate and lower end connecting plate
It is very little；Concrete is cast in GFRP tube body between the upper end connecting plate and lower end connecting plate, the dowel is packaged in mixed
In solidifying soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821155135.5U CN208650042U (en) | 2018-07-20 | 2018-07-20 | A kind of prefabricated GFRP pipe concrete hollow splicing stake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821155135.5U CN208650042U (en) | 2018-07-20 | 2018-07-20 | A kind of prefabricated GFRP pipe concrete hollow splicing stake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208650042U true CN208650042U (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821155135.5U Active CN208650042U (en) | 2018-07-20 | 2018-07-20 | A kind of prefabricated GFRP pipe concrete hollow splicing stake |
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| Country | Link |
|---|---|
| CN (1) | CN208650042U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625359A (en) * | 2018-07-20 | 2018-10-09 | 中铁七局集团第二工程有限公司 | A kind of prefabricated GFRP pipe concretes hollow splicing stake |
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2018
- 2018-07-20 CN CN201821155135.5U patent/CN208650042U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625359A (en) * | 2018-07-20 | 2018-10-09 | 中铁七局集团第二工程有限公司 | A kind of prefabricated GFRP pipe concretes hollow splicing stake |
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