CN109339038A - Cast-in-place taper pipe wall opening hollow pile and its construction method - Google Patents
Cast-in-place taper pipe wall opening hollow pile and its construction method Download PDFInfo
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- CN109339038A CN109339038A CN201811376821.XA CN201811376821A CN109339038A CN 109339038 A CN109339038 A CN 109339038A CN 201811376821 A CN201811376821 A CN 201811376821A CN 109339038 A CN109339038 A CN 109339038A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
- E02D5/385—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with removal of the outer mould-pipes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/48—Piles varying in construction along their length, i.e. along the body between head and shoe, e.g. made of different materials along their length
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/72—Pile shoes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of cast-in-place taper pipe wall opening hollow pile and its construction methods, it is characterized by: cast-in-place taper pipe wall opening hollow pile includes the wedge shaped concrete pile body in tube wall section and cyclic annular pile top, it passes through cyclic annular immersed tube auxiliary construction, oscillation ring is equipped in cyclic annular immersed tube, apart from monitor, symmetrically pour mouth and top steel loop, top steel loop is equipped with top overfall, cyclic annular pile top is located at cyclic annular immersed tube bottom end, when casting concrete pile body, concrete pours into cyclic annular immersed tube, then cyclic annular immersed tube is extracted on one side, oscillation ring Vibratory Mixing is used on one side, an outer wall frictional resistance can be improved, it makes full use of again and exploitation inner wall frictional resistance, further increase the bearing capacity of pile body, sunk by the flowing that oscillation ring accelerates concrete, guarantee that cyclic annular immersed tube concrete during upper mention keeps original wedge-shaped tube shape, it prevents disconnected Stake, de- stake make concrete keep full, by the above means, enhance the bearing capacity of stake, guarantee that concrete is full and integrality.
Description
Technical field
The present invention relates to the pile foundation field more particularly to cast-in-place taper pipe wall opening hollow pile in foundation engineering and its apply
The bearing capacity of pile foundation and the fullness degree of concrete can be improved in work method, improves immersed tube quality and utilization rate.
Background technique
With the continuous propulsion of urbanization and modernization, Communication and Transportation Engineering plays more and more important in life
Role.Communications and transportation development in China's is in the transitional period of the critical period of optimization network topology, upgrading synergy upgrading, will enter
The modernization construction new stage.While the highway construction extended in all direction brings a series of convenient to human lives, various types
Pile foundation is come into being, and requirement of the different geology and geomorphologies to stake is different, wherein most to the various requirement for bearing capacity of pile foundation engineering
It is high it is most complicated be overbank area.
The highway stake in overbank area needs to undertake the effect of many kinds of force such as vertical bearing capacity, horizontal loading, while soil property is soft
Water content is high.The characteristics of existing highway open-end pipe pile shortage undertakes horizontal force.In addition, existing cast-in-place coagulation scholar stake is big
It is mostly solid, there is perfusion shaft resistance end resistance be low, of poor quality, waste of material, it is at high cost the disadvantages of.It cannot adapt to stratum change
Change, design requirement cannot be fully met by entering scholar's depth, and when stratum layer of sand is thicker, pile press machine will often fill pile head crushing, be formed
Accident stake, and fill stake main reinforcement and be generally compressor wire, it cannot effectively be connected with cushion cap, in addition connect reinforcing bar and increase cost.
During present walling pile, the concrete amount of the cast-in-place solid pile of tradition is big, at high cost；Traditional cast-in-place hollow stake takes native workload
Effect that is big and can not considering core, and the problem of be easy to appear during mentioning pipe broken pile.
In view of the above-mentioned problems, present walling pile used at present uses Patent No. CN201730091, it is entitled " a kind of cast-in-place
Stake ", simplifies the construction technology of cast-in-place pile using prefabricated stake center and cementitious composite soil solidification layer, or uses Patent No.
CN200964587, it is entitled " tube filling pedestal pile ", increase the bearing capacity of pile body using base expanding and base expanding part.However, Patent No.
The present walling pile of CN201730091, inside are a prefabricated stake center, inner frictional resistance are not present, there are also further mention bearing capacity
The shape size in high space, the base expanding and base expanding part of tube filling pedestal pile disclosed in Patent No. CN200964587 is uncertain, makes
Its application is limited to.Above two pile-type also fails to solve the problems, such as to be easy to appear broken pile.
Summary of the invention
The object of the invention is in order to overcome drawbacks described above, provide a kind of cast-in-place taper pipe wall opening hollow pile and its
Construction method.It is a further object to provide a kind of immersed tube manufacturing technology applied to wedge-shaped cast-in-place concrete, this hairs
Bright purpose can be achieved through the following technical solutions:
A kind of cast-in-place taper pipe wall opening hollow pile of the present invention, including concrete pile body and cyclic annular pile top, concrete-pile
Body uses the tubular structure of middle opening, and tube wall section is wedge shaped, and the thickness of tube wall is gradually reduced from top to bottom, annular pile top
It is fixed on the bottom of concrete pile body.
Preferably, the top surface of the cyclic annular pile top is equipped with several bent-up bars, and the top of bent-up bar is in the shape bent
Shape.
Preferably, the bent-up bar is at least arranged four, and bent-up bar is circle with the vertical axle center of cyclic annular pile top
The heart is distributed in the top surface of cyclic annular pile top according to even circumferential.
A kind of construction method of above-mentioned cast-in-place taper pipe wall opening hollow pile, the cast-in-place taper pipe wall opening hollow pile
It is the cyclic annular immersed tube auxiliary construction using wedge shape section comprising following steps,
S1: the inner wall of segmented welding ring-type immersed tube, the inner wall of cyclic annular immersed tube reserve the elongated hole of electric wire, and every section of cyclic annular immersed tube inner wall
Outside be welded with connection steel pole；
S2: the outer wall of segmented welding ring-type immersed tube, the position that outer wall is correspondingly connected with steel pole is equipped with preformed hole, and every section of outer wall is pre-
Stay the elongated hole of electric wire and the elongated hole of vertical rib, when welding, docks connection steel pole with corresponding preformed hole, and places oscillation ring,
The elongated hole of electric wire is passed through electric wire connection oscillation ring, and cyclic annular immersed tube is formed after the completion of outer wall welding, and setting and ring-type are heavy on the outer wall
The connection of pipe inner space pours mouth, and vertical rib is arranged at the elongated hole of vertical rib, and electric wire connects external power supply, cyclic annular immersed tube
Circumferential rib, cyclic annular immersed tube top cover upper top steel loop is arranged in the outside of outer wall；
S3: prefabricated ring-type pile top, and bent-up bar is set in cyclic annular pile top upper surface, by the bottom end of cyclic annular immersed tube and cyclic annular pile top
Top surface fix；
S4: cyclic annular immersed tube is sunk in soil to projected depth, is met the requirements by pouring mouthful concrete perfusion to fullness coefficient, is opened
Power supply device simultaneously pulls up cyclic annular immersed tube, pulls out cyclic annular immersed tube on one side, passes through oscillation ring shaking concrete on one side；
S5: after cyclic annular immersed tube is completely extracted, closing power supply device, and whether the height for observing top of concrete meets the requirements, if mixed
The height of solidifying soil top surface is too low, then continuously adds concrete；Conversely, taking out appropriate concrete, formed after concrete final set mixed
Solidifying soil pile body, completes the construction of single pile.
Preferably, the oscillation ring staggered floor arrangement in the S2, and oscillation ring is equipped at cyclic annular immersed tube inside and outside wall.
Preferably, the lower surface of the top steel loop in the S2 is equipped with twice steel loop slot, the size of twice steel loop slot
The size with cyclic annular immersed tube inside and outside wall tip portion matches respectively, and the center of top steel loop is equipped with top overfall, the ring
The top of the inside and outside wall of shape immersed tube is inserted into respectively in twice steel loop slot.
Preferably, in S2 top steel loop lower surface be equipped with it is several apart from detector, apart from detector and external display
Screen connection；It is whether heavy with ring-type at a distance from top of concrete at the top of real-time detection ring-type immersed tube when pulling up cyclic annular immersed tube in S4
The distance matching that pipe sinks, the filling degree of concrete is judged with this, if excessively full, accelerated cyclic annular immersed tube and is pulled up speed or subtract
Slow oscillation ring vibration frequency, it is counter to know, slow down cyclic annular immersed tube and pulls up speed or accelerate oscillation ring vibration frequency.
Preferably, in the S3, the top surface of cyclic annular pile top is equipped with twice pile top slot, and the size of twice pile top slot is distinguished
Match with the size of cyclic annular immersed tube inside and outside wall bottom part, twice stake is inserted into the bottom end of the inside and outside wall of the ring-type immersed tube respectively
In sharp slot.
Preferably, the height of every section of cyclic annular immersed tube monomer is 3m, is all provided between the inside and outside wall of every section of cyclic annular immersed tube monomer
There is connection steel pole, is equipped with circumferential rib on the outside of every section of cyclic annular immersed tube monomer, outer wall is equipped with vertical rib.
Preferably, the height of every section of cyclic annular immersed tube inner wall is 3m in the S1；The height of every section of cyclic annular immersed tube outer wall in S2
It is 3m, is equipped with connection steel pole between every section of cyclic annular immersed tube inside and outside wall, and connects steel pole and be located at every section of inside and outside wall of cyclic annular immersed tube
1.5m height and position, every layer of connection steel pole be arranged four, the connection steel pole of same level height with every 90 ° of angle it is uniform between
Every arrangement.
Preferably, cyclic annular immersed tube immersed tube is completed by the way of hammering or static pressure in the S4.
Using technical solution provided by the invention, compared with prior art, have the following beneficial effects:
(1) present invention is sunk while extracting cyclic annular immersed tube using the flowing that oscillation ring accelerates concrete, guarantees cyclic annular immersed tube
Concrete keeps original wedge-shaped tube shape during upper mention, and prevents broken pile, de- stake, keeps concrete full, guarantee perfusion
Pile integrality；
(2) in work progress of the present invention, circumferential rib and vertical rib is added on the outside of cyclic annular immersed tube, prevents from being squeezed and deformed, enhances ring-type
The compression strength of immersed tube, from improving cyclic annular immersed tube utilization rate；
(3) after the tube wall of concrete pile body is set as wedge shape, that is, outer wall frictional resistance can be improved, and can makes full use of and develop inner wall and rubs
Resistance further increases the bearing capacity of pile body.
Detailed description of the invention
Fig. 1 is a kind of sectional view of cast-in-place taper pipe wall opening hollow pile；
Fig. 2 is the auxiliary device of the cast-in-place hollow pile driving construction of taper pipe wall opening；
Fig. 3 is the structural schematic diagram of the top steel loop of the cyclic annular immersed tube of cast-in-place taper pipe wall opening hollow pile；
Fig. 4 is the top view of the top steel loop of cast-in-place taper pipe wall opening hollow pile；
Fig. 5 is the inner wall schematic diagram of the cyclic annular immersed tube of cast-in-place taper pipe wall opening hollow pile；
Fig. 6 is the outer wall schematic diagram of the cyclic annular immersed tube of cast-in-place taper pipe wall opening hollow pile；
Fig. 7 is the schematic diagram of the cyclic annular pile top of cast-in-place taper pipe wall opening hollow pile；
Fig. 8 is the schematic diagram for the cyclic annular immersed tube that the combination of cast-in-place taper pipe wall opening hollow pile is completed；
Fig. 9 is the work progress figure of cast-in-place taper pipe wall opening hollow pile；
Figure 10 is that the casting concrete of cast-in-place taper pipe wall opening hollow pile mentions pipe schematic diagram.
Attached drawing mark: 1- concrete pile body；2- ring-type immersed tube；3- ring-type pile top；4- oscillation ring；The elongated hole of 5- electric wire；6-
The vertical elongated hole of rib；7- power supply device；8- is apart from detector；Steel loop at the top of 9-；10- connection steel pole；Overfall at the top of 11-；12-
Pour mouth；13- circumferential direction rib；The vertical rib of 14-；15- pile top slot；16- steel loop slot；17- bent-up bar；18- preformed hole；19-
Display screen；21- inner wall；22- outer wall.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the embodiments, and following embodiment is used for
Illustrate the present invention, but is not intended to limit the scope of the invention.
It is the sectional view of cast-in-place taper pipe wall opening hollow pile of the present invention comprising coagulation in conjunction with shown in attached drawing 1
Native pile body 1 and cyclic annular pile top 3, the concrete pile body 1 use the tubular structure of middle opening, and the pipe of concrete pile body 1
Wall section is wedge shaped, and the thickness of tube wall is gradually reduced from top to bottom, and annular pile top 3 is fixed on the bottom of concrete pile body 1, cyclic annular
The top surface of pile top 3 is equipped with four bent-up bars 17, and bent-up bar 17 is using the vertical axle center of cyclic annular pile top 3 as the center of circle, according to circle
It is evenly distributed on the top surface of cyclic annular pile top 3, shape of the top of bent-up bar 17 in bending, the insertion concrete of bent-up bar 17 week
The bottom end of pile body 1 increases the bonding strength of concrete pile body 1 and cyclic annular pile top 3.Concrete pile body 1 of the present invention is squeezed into
After the soil body, due to the wedge shaped structure in the section of the tube wall of concrete pile body 1, compared with the tubular pole of the straight tube shape of equal height
Contact area compared with, pile-type of the invention and soil is bigger, therefore and side skin friction it is bigger；Secondly, the outside of concrete pile body 1 with
And the aperture position at 1 center of concrete pile body has soil, i.e., by frictional resistance inside and outside concrete pile body 1, with reality
The in situ concrete pile of the heart is compared, and the dosage of concrete is reduced, and is surveyed frictional resistance and is further enhanced, therefore its bearing capacity obtains
It further strengthens.
Above-mentioned cast-in-place taper pipe wall opening hollow pile is completed by attached device construction shown in Fig. 2, the auxiliary device
Cyclic annular immersed tube 2 including wedge shape section.The cyclic annular immersed tube 2 is made of inside and outside wall, passes through connection steel pole 10 between inside and outside wall
It is connected with each other, in conjunction with shown in attached drawing 2 and 5, is all provided with the elongated hole 5 of live wire on the inside and outside wall of cyclic annular immersed tube 2, in the elongated hole 5 of electric wire
Equipped with electric wire, the outer wall 22 of cyclic annular immersed tube 2 is equipped with the elongated hole 6 of vertical rib, is equipped with vertical rib 14, ring in the vertical elongated hole 6 of rib
It is equipped with circumferential rib 13 on the outside of the outer wall 22 of shape immersed tube 2 and what is be connected to cyclic annular 2 inner space of immersed tube symmetrical pours mouth 12, ring
Oscillation ring 4 equipped with staggered floor arrangement in shape immersed tube 2, oscillation ring 4 are filled by the electric wire through the elongated hole 5 of electric wire with external power supply
Set 7 electrical connections.Top steel loop 9 is stamped on the top of cyclic annular immersed tube 2, and in conjunction with shown in attached drawing 2 ~ 4, the center of top steel loop 9 is equipped with top
Portion's overfall 11, the lower surface of top steel loop 9 are equipped with twice steel loop slot 16, the size of twice steel loop slot 16 respectively with ring-type
The size of 2 inside and outside wall tip portion of immersed tube matches, and twice steel loop slot 16 is inserted on the top of the inside and outside wall of cyclic annular immersed tube 2 respectively
Interior, the lower surface of top steel loop 9 is equipped with several apart from detector 8, and when construction connect apart from detector 8 with external display screen.
The cyclic annular pile top 3 is located at the bottom of cyclic annular immersed tube 2, and in conjunction with shown in attached drawing 7, the top surface of cyclic annular pile top 3 is equipped with twice pile top
Slot 15, size of the size of twice pile top slot 15 respectively with cyclic annular 2 inside and outside wall bottom part of immersed tube match, cyclic annular immersed tube
The bottom end of 2 inside and outside wall is inserted into respectively in twice pile top slot 15.
Using above-mentioned auxiliary device construct cast-in-place taper pipe wall opening hollow pile construction method the following steps are included:
Step 1: the inner wall 21 of segmented welding ring-type immersed tube 2, the ring steel that the inner wall 21 of cyclic annular immersed tube 2 is 3m by Multi-section height
Pipe is welded to form up and down, and component becomes larger the diameter of every section of annular steel pipe from top to bottom, neighbouring annular steel pipe
Bottom diameter and top end diameter cooperate, the inner wall 21 of cyclic annular immersed tube 2 reserves the elongated hole 5 of electric wire, and every section of cyclic annular immersed tube
The outside of inner wall 21 is welded with connection steel pole 10, and connection steel pole 10 is located at the 1.5m height position of every section of 2 inner wall 21 of cyclic annular immersed tube
It sets, every layer of connection steel pole 10 is arranged four, and the connection steel pole 10 of same level height is arranged with every 90 ° of angle uniform intervals；
Step 2: in conjunction with shown in attached body 6, the outer wall 22 of cyclic annular immersed tube 2 is also to be spliced up and down by the annular steel pipe of Multi-section height 3m
Composition, the size for organizing the circlewise annular steel pipe of immersed tube outer wall 22 is bigger than the annular steel pipe for organizing circlewise immersed tube inner wall 21, and its
Component reduces diameter from top to bottom, and the bottom diameter and top end diameter of neighbouring annular steel pipe cooperate, cyclic annular immersed tube
The position that outer wall 22 is correspondingly connected with steel pole 10 is equipped with preformed hole 18, and every section of cyclic annular reserved elongated hole 5 of electric wire of immersed tube outer wall 22
With the elongated hole 6 of vertical rib, the outer wall 22 of segmented welding ring-type immersed tube 2 will connection steel pole 10 and corresponding preformed hole 18 when welding
Docking, and oscillation ring 4 is placed in design height position, it is passed through electric wire connection oscillation ring 4 in the elongated hole 5 of electric wire, outer wall 22 welds
Cyclic annular immersed tube 2 is formed after the completion, is arranged on outer wall 22 and is poured mouth 12 with what 2 inner space of cyclic annular immersed tube was connected to, in vertical rib
Vertical rib 14 is set at elongated hole 6, electric wire connects external power supply 7, and circumferential rib 13 is arranged in the outside of the outer wall 22 of cyclic annular immersed tube 2,
The setting of circumferential rib 13 and vertical rib 14 reduces the soil body and destroys to the extruding of immersed tube, and forming inside and outside wall is whole immersed tube, is promoted
Stability increases intensity, extends the immersed tube service life, increases economic benefit, and in cyclic annular 2 top cover upper top steel loop 9 of immersed tube, ring-type is heavy
The top of 2 inside and outside wall of pipe is inserted into respectively in steel loop slot 16, and in the lower surface mounting distance detector 8 of top steel loop 9；
Step 3: in conjunction with shown in attached drawing 7, prefabricated ring-type pile top 3, and bent-up bar 17 is set in cyclic annular 3 upper surface of pile top, by ring
The bottom end of shape immersed tube 2 is connect with the top surface of cyclic annular pile top 3, and when connection, twice are inserted into the bottom end of the inside and outside wall of cyclic annular immersed tube 2 respectively
In pile top slot 15, at this point, the ancillary equipment for cast-in-place taper pipe wall opening hollow pile of constructing is completed, as shown in Fig. 8；
Step 4: in conjunction with shown in attached drawing 2,9 and 10, cyclic annular 2 immersed tube of immersed tube, cyclic annular immersed tube are completed by the way of hammering or static pressure
2 sink in soil to projected depth, connect apart from detector 8 and display screen 19, by pouring 12 concrete perfusion of mouth to full system
Number is met the requirements, and the fullness degree standard of immersed tube concrete is 1.1 ~ 1.3 times of pile body volume, is then turned on power supply device 7 and is pulled out
Cyclic annular immersed tube 2 is played, pulls out cyclic annular immersed tube 2 on one side, on one side by 4 shaking concrete of oscillation ring, is avoided on concreting and immersed tube
While generating broken pile when pulling out, the phenomenon that design requirement is not achieved in de- stake, the practical fullness degree of concrete, and pull up cyclic annular immersed tube 2,
Whether 2 top of real-time detection ring-type immersed tube matches at a distance from top of concrete at a distance from the sinking of cyclic annular immersed tube 2, is judged with this
The filling degree of concrete accelerates cyclic annular immersed tube 2 and pulls up 4 vibration frequency of speed or slowing down vibration ring if excessively full, counter to know,
Slow down cyclic annular immersed tube 2 to pull up speed or accelerate 4 vibration frequency of oscillation ring；
Step 5: after cyclic annular immersed tube 2 is completely extracted, power supply device 7 is closed, whether the height for observing top of concrete, which meets, is wanted
It asks, if the height of top of concrete is too low, continuously adds concrete；Conversely, appropriate concrete is taken out, after concrete final set
Concrete pile body 1 is formed, the construction of single pile is completed.
It describes the invention in detail in conjunction with the embodiments above, but the content is only preferable implementation of the invention
Example, should not be considered as limiting the scope of the invention.It is all according to all the changes and improvements made by the present patent application range
Deng should all still fall within patent covering scope of the invention.
Claims (10)
1. a kind of cast-in-place taper pipe wall opening hollow pile, it is characterised in that: it includes concrete pile body (1) and cyclic annular pile top (3),
Concrete pile body (1) uses the tubular structure of middle opening, and tube wall section is wedge shaped, and the thickness of tube wall gradually subtracts from top to bottom
Small, annular pile top (3) is fixed on the bottom of concrete pile body (1).
2. cast-in-place taper pipe wall opening hollow pile according to claim 1, it is characterised in that: the cyclic annular pile top (3)
Top surface be equipped with several bent-up bars (17), the top of bent-up bar (17) in bending shape.
3. cast-in-place taper pipe wall opening hollow pile according to claim 2, it is characterised in that: the bent-up bar (17)
At least it is arranged four, and bent-up bar (17) is distributed in ring according to even circumferential using the vertical axle center of cyclic annular pile top (3) as the center of circle
The top surface of shape pile top (3).
4. a kind of construction method of cast-in-place taper pipe wall opening hollow pile described in claim 1, it is characterised in that: described shows
Pouring taper pipe wall opening hollow pile is cyclic annular immersed tube (2) auxiliary construction using wedge shape section comprising following steps,
S1: the inner wall (21) of segmented welding ring-type immersed tube, the inner wall (21) of cyclic annular immersed tube reserve the elongated hole of electric wire (5), and every section
The outside of cyclic annular immersed tube inner wall (21) is welded with connection steel pole (10)；
S2: the outer wall (22) of segmented welding ring-type immersed tube, the position that outer wall (22) is correspondingly connected with steel pole (10) are equipped with preformed hole
It (18), and the reserved elongated hole of electric wire (5) of every section of outer wall (22) and the elongated hole of vertical rib (6), will connection steel pole (10) when welding
It is docked with corresponding preformed hole (18), and places oscillation ring (4), be passed through electric wire connection oscillation ring (4) in the elongated hole of electric wire (5),
Cyclic annular immersed tube (2) is formed after the completion of outer wall (22) welding, setting is connected to cyclic annular immersed tube (2) inner space on outer wall (22)
Mouth (12) are poured, vertical rib (14) is set at the elongated hole of vertical rib (6), electric wire connects external power supply (7), outside cyclic annular immersed tube
Circumferential rib (13), cyclic annular immersed tube (2) top cover upper top steel loop (9) is arranged in the outside of wall (22)；
S3: prefabricated ring-type pile top (3), and bent-up bar (17) are set in cyclic annular pile top (3) upper surface, by cyclic annular immersed tube (2)
Bottom end and the top surface of cyclic annular pile top (3) are fixed；
S4: cyclic annular immersed tube (2) is sunk in soil to projected depth, is wanted by pouring mouth (12) concrete perfusion to fullness coefficient satisfaction
It asks, open power supply device (7) and pulls up cyclic annular immersed tube (2), pull out cyclic annular immersed tube (2) on one side, it is mixed by oscillation ring (4) vibration on one side
Solidifying soil；
S5: it after cyclic annular immersed tube (2) is completely extracted, closes power supply device (7), whether the height for observing top of concrete, which meets, is wanted
It asks, if the height of top of concrete is too low, continuously adds concrete；Conversely, appropriate concrete is taken out, after concrete final set
It is formed concrete pile body (1), completes the construction of single pile.
5. the construction method of cast-in-place taper pipe wall opening hollow pile according to claim 4, it is characterised in that: in the S2
Oscillation ring (4) staggered floor arrangement, and be equipped with oscillation ring (4) at cyclic annular immersed tube (2) inside and outside wall.
6. the construction method of cast-in-place taper pipe wall opening hollow pile according to claim 4, it is characterised in that: in the S2
The lower surface of top steel loop (9) be equipped with twice steel loop slot (16), the size of twice steel loop slot (16) is heavy with ring-type respectively
The size of pipe (2) inside and outside wall tip portion matches, and the center of top steel loop (9) is equipped with top overfall (11), the ring-type
The top of the inside and outside wall of immersed tube (2) is inserted into respectively in twice steel loop slot (16).
7. the construction method of cast-in-place taper pipe wall opening hollow pile according to claim 4, it is characterised in that: top in S2
The lower surface of steel loop (9) be equipped with it is several apart from detector (8), connect apart from detector (8) with external display screen (19)；In S4
When pulling up cyclic annular immersed tube (2) at the top of real-time detection ring-type immersed tube (2) at a distance from top of concrete whether under cyclic annular immersed tube (2)
Heavy distance matching, the filling degree of concrete is judged with this, if excessively full, accelerated cyclic annular immersed tube (2) and is pulled up speed or subtract
Slow oscillation ring (4) vibration frequency, it is counter to know, slow down cyclic annular immersed tube (2) and pulls up speed or accelerate oscillation ring (4) vibration frequency.
8. the construction method of cast-in-place taper pipe wall opening hollow pile according to claim 4, it is characterised in that: the S3
In, the top surface of cyclic annular pile top (3) is equipped with twice pile top slot (15), the size of twice pile top slot (15) respectively with cyclic annular immersed tube
(2) size of inside and outside wall bottom part matches, and the bottom end of the inside and outside wall of the ring-type immersed tube (2) is inserted into twice pile top respectively and is inserted
In slot (15), the height of every section of cyclic annular immersed tube monomer is 3m, is equipped with connection between the inside and outside wall of every section of cyclic annular immersed tube monomer
Steel pole (10) is equipped with circumferential rib (13) on the outside of every section of cyclic annular immersed tube monomer, and outer wall (22) is equipped with vertical rib (14).
9. the construction method of cast-in-place taper pipe wall opening hollow pile according to claim 4, it is characterised in that: in the S1
The height of every section of cyclic annular immersed tube (2) inner wall (21) is 3m；The height of every section of cyclic annular immersed tube (2) outer wall (22) is 3m in S2, often
It is equipped with connection steel pole (10) between Duan Huanzhuan immersed tube (2) inside and outside wall, and connects steel pole (10) and is located at every section of cyclic annular immersed tube (2)
The 1.5m height and position of inside and outside wall, every layer of connection steel pole (10) are arranged four, and the connection steel pole (10) of same level height is with every
90 ° of angle uniform intervals arrangement.
10. the construction method of cast-in-place taper pipe wall opening hollow pile according to claim 4, it is characterised in that: the S4
It is middle to complete cyclic annular immersed tube (2) immersed tube by the way of hammering or static pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811376821.XA CN109339038B (en) | 2018-11-19 | 2018-11-19 | Cast-in-situ wedge-shaped pipe wall opening hollow pile and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811376821.XA CN109339038B (en) | 2018-11-19 | 2018-11-19 | Cast-in-situ wedge-shaped pipe wall opening hollow pile and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109339038A true CN109339038A (en) | 2019-02-15 |
| CN109339038B CN109339038B (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811376821.XA Active CN109339038B (en) | 2018-11-19 | 2018-11-19 | Cast-in-situ wedge-shaped pipe wall opening hollow pile and construction method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008156864A (en) * | 2006-12-22 | 2008-07-10 | Sakamoto Shokai:Kk | Construction method for cast-in-place concrete pile |
| CN203924042U (en) * | 2014-05-06 | 2014-11-05 | 宁波职业技术学院 | A kind of stake barrel structure of reducing cylinder stake |
| CN209144798U (en) * | 2018-11-19 | 2019-07-23 | 宁波大学 | Cast-in-place taper pipe wall opening hollow pile |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008156864A (en) * | 2006-12-22 | 2008-07-10 | Sakamoto Shokai:Kk | Construction method for cast-in-place concrete pile |
| CN203924042U (en) * | 2014-05-06 | 2014-11-05 | 宁波职业技术学院 | A kind of stake barrel structure of reducing cylinder stake |
| CN209144798U (en) * | 2018-11-19 | 2019-07-23 | 宁波大学 | Cast-in-place taper pipe wall opening hollow pile |
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| CN109339038B (en) | 2023-08-22 |
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