CN209178986U - It is a kind of to exempt from broken apart concrete filling pile head - Google Patents
It is a kind of to exempt from broken apart concrete filling pile head Download PDFInfo
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- CN209178986U CN209178986U CN201821723647.7U CN201821723647U CN209178986U CN 209178986 U CN209178986 U CN 209178986U CN 201821723647 U CN201821723647 U CN 201821723647U CN 209178986 U CN209178986 U CN 209178986U
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- 230000002787 reinforcement Effects 0.000 claims abstract description 73
- 238000000926 separation method Methods 0.000 claims abstract description 59
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 230000010412 perfusion Effects 0.000 claims abstract description 7
- 239000002390 adhesive tape Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 210000002435 tendon Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000037452 priming Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
Exempt from broken apart concrete filling pile head, including bored concrete pile framework of steel reinforcement and concrete perfusion the utility model discloses a kind of, there are longitudinal reinforcement and stirrup in the pile foundation portion of the bored concrete pile framework of steel reinforcement, and there is longitudinal reinforcement in the pile crown portion of the bored concrete pile framework of steel reinforcement；Suit is longitudinally separated casing on the longitudinal reinforcement in the pile crown portion of the bored concrete pile framework of steel reinforcement, the bottom in the pile crown portion of the bored concrete pile framework of steel reinforcement is provided with lateral separation casing, the lateral separation casing is arranged in " well " font, and center reserves the vacancy of decentralization tremie；And casing protection reinforcing bar is equipped in the lateral separation casing.The utility model construction is simple, low cost, the energy quick separating filling pile head by the way of overall separation, it is high-efficient, noiseless, free from dust, pile crown can realize recycled in its entirety, it can be used as the clump weight of later period dead load test on pile foundation, using being mechanically pulverized as the raw material of brickmaking after also can be recycled, market application prospect is extensive.
Description
Technical field
The utility model relates to cast-in-place concrete pile technical field more particularly to a kind of exempt from broken apart filling concrete
Pile head.
Background technique
Van Gogh's layer and super high-rise building, all common basis of the cast-in-place concrete pile as building, the basis of bridge is more
Add and can't do without pile foundation.As the bored concrete pile on solitary building basis, quantity lacks then up to a hundred, how then thousands of, substantial amounts.Reinforcing bar
When Concrete Grouting Pale, specification regulation bored concrete pile top mark height should be higher than that design 0.5~1.0m of stake top absolute altitude, to guarantee pile crown
The quality of concrete, main cause are that the concrete of pile crown part contains mud coating, and there are unavoidable on instillation process
Mass defect, can only reject, cannot directly as stake top, but be higher than design of pile top absolute altitude pile crown part, to pile body coagulation
After native intensity reaches the 80% of design strength, it could be cut when subsequent handling is constructed, cut the work of this part pile crown concrete
Work is called " broken pile head ".The mode of live broken pile head is mainly divided artificial and mechanical.It is artificial mainly to be made by air compressor machine and air drill
For crushing plant, pounded manually except pile crown concrete, the size of a general pile crown is in 1m3It is more than concrete, pound completely except and it is clear
Reason needs 1 worker at least time half a day, inefficiency, and noise and dust seriously polluted, and working condition is poor, to worker
The damage of both hands is very big.In addition damage can be directly contributed to the reserved steel bar of pile crown part, when the phenomenon that pounding disconnected reinforcing bar,
Later period also needs reinforcement by connection to handle；Machinery is pounded except being to smash pile crown by hydraulic device, the purer artificial height of crushing efficiency, but also
Need a large amount of hand fit that could complete, especially in the straightening of the smooth and reinforcing bar of later period pile crown, the relatively pure people of cost
Work is higher.
For building trade, land resource is more and more rare, and skyscraper is rised sheer from level ground in succession.Pile foundation construction must can not
It is few, at present in the building trade in Guangxi or even the whole nation, for except pile crown being constructed by the way of broken mostly, construct
Low efficiency, at high cost, worker's operating condition is arduous, and the pile crown concrete fragment smashed has no recovery value.
Utility model content
The purpose of this utility model is to provide a kind of saving of labor propose effect, energy conservation and environmental protection, can overall separation pile crown exempt to be crushed
Isolated concrete filling pile head.
To achieve the goals above, the technical solution adopted in the utility model is as follows:
It is a kind of to exempt from broken apart concrete filling pile head, including bored concrete pile framework of steel reinforcement and concrete perfusion, it is described
There are longitudinal reinforcement and stirrup in the pile foundation portion of bored concrete pile framework of steel reinforcement, and there is longitudinal reinforcement in the pile crown portion of the bored concrete pile framework of steel reinforcement；
Suit is longitudinally separated casing, the stake of the bored concrete pile framework of steel reinforcement on the longitudinal reinforcement in the pile crown portion of the bored concrete pile framework of steel reinforcement
The bottom on head is provided with lateral separation casing, and the lateral separation casing is arranged in " well " font, and center reserves decentralization coagulation
The vacancy of native conduit；And casing protection reinforcing bar is equipped in the lateral separation casing, the later period extracts out as tensioned prestressing bar
Perforation.
Preferably, the lateral separation casing includes the first lateral separation casing and the second lateral separation casing, described the
One lateral separation casing and the second lateral separation casing are vertically installed in the bottom in the pile crown portion of bored concrete pile framework of steel reinforcement.
Preferably, the lateral separation casing length is greater than the stake diameter 10cm in the pile crown portion of bored concrete pile framework of steel reinforcement.
Preferably, the bottom in the pile crown portion of the bored concrete pile framework of steel reinforcement is also equipped with positioning ring, the positioning ring
It is mounted on the outside of the framework of steel reinforcement in the pile crown portion of the bored concrete pile framework of steel reinforcement, the outer diameter of the positioning ring and the perfusion
Pile head outer diameter is identical, and when disposing pile body steel reinforcement cage, the positioning ring is stake top elevation location.
Preferably, the lower end for being longitudinally separated casing and the lower end of positioning ring are in the same plane.
Preferably, the upper end for being longitudinally separated casing is flushed with the top of the longitudinal reinforcement in pile crown portion.
Preferably, the top adhesive tape sealing head for being longitudinally separated casing, adhesive tape packet header after longitudinal reinforcement is entangled in lower end, resistance
Only when concreting cement slurry entrance.
Preferably, the diameter 16-20mm of the lateral separation casing, wall thickness 2mm；It is longitudinally separated casing diameter summary
Greater than the diameter of the longitudinal reinforcement of pile crown steel essence cage, wall thickness is not less than 1mm.
Preferably, the casing and the material of lateral separation casing of being longitudinally separated is PVC plastic pipe.
The utility model is by adopting the above-described technical solution, have the advantages that
The utility model exempts from broken apart concrete filling pile head construction is simple, low cost, using overall separation
Mode quick separating filling pile head, high-efficient, noiseless, free from dust, pile crown can realize recycled in its entirety, can be used as later period stake
The clump weight of base static test, using being mechanically pulverized as the raw material of brickmaking after also can be recycled, market application prospect is extensive.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the pile crown framework of steel reinforcement of the utility model；
Fig. 2 is the structural schematic diagram for exempting from broken apart concrete filling pile head after the pouring of the utility model；
Fig. 3 is the solidifying native filling pile head separation process schematic diagram of the utility model；
Fig. 4 is overall separation schematic diagram after the fracture of the utility model concrete filling pile head；
Fig. 5 is force analysis figure of the utility model concrete filling pile head under separation anchorage effect.
In attached drawing, 1- longitudinal reinforcement, 2- stirrup, 3- is longitudinally separated casing, 4- lateral separation casing, and 401- first is laterally point
From casing, 402- the second lateral separation casing, 5- positioning ring, 6- lifting lug, 7- cone anchorage, it is very heavy that 8- holds hydraulic punching
Top.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, referring to the drawings and enumerate excellent
Embodiment is selected, the utility model is further described.However, it is necessary to illustrate, many details listed in specification
It is specific thin even without these just for the sake of making reader have a thorough explanation to one or more aspects of the present invention
These aspects of the utility model also may be implemented in section.
Embodiment 1
As shown in Fig. 1 and 2, it is according to the present utility model it is a kind of exempt from broken apart concrete filling pile head, including fill
There are longitudinal reinforcement 1 and stirrup 2, the filling in note stake framework of steel reinforcement and concrete perfusion, the pile foundation portion of the bored concrete pile framework of steel reinforcement
There is longitudinal reinforcement 1 in the pile crown portion of note stake framework of steel reinforcement；It is set on the longitudinal reinforcement 1 in the pile crown portion of the bored concrete pile framework of steel reinforcement vertical
To separation sleeve pipe 3, the bottom in the pile crown portion of the bored concrete pile framework of steel reinforcement is provided with lateral separation casing 4, the lateral separation
4 pipe of set is arranged in " well " font, and center reserves the vacancy of decentralization tremie；And set is equipped in the lateral separation casing 4
Protection of pipe reinforcing bar, prevents the extruding deviation of the concrete when pouring pile concrete, and later period extraction is used as tensioned prestressing bar
Perforation；The lateral separation casing 4 include the first lateral separation casing 401 and the second lateral separation casing 402, described first
Lateral separation casing 401 and the second lateral separation casing 402 are vertically installed in the bottom in the pile crown portion of bored concrete pile framework of steel reinforcement；Institute
State stake diameter 10cm of 4 length of lateral separation casing greater than the pile crown portion of bored concrete pile framework of steel reinforcement；The bored concrete pile framework of steel reinforcement
The bottom in pile crown portion is also equipped with positioning ring 5, and the positioning ring 5 is mounted on the pile crown portion of the bored concrete pile framework of steel reinforcement
The outside of framework of steel reinforcement, the outer diameter of the positioning ring 5 is identical as the filling pile head outer diameter, when disposing pile body steel reinforcement cage,
The positioning ring 5 is stake top elevation location.
Preferably, the lower end for being longitudinally separated casing 3 and the lower end of positioning ring 5 are in the same plane；The longitudinal direction
The upper end of separation sleeve pipe 3 is flushed with the top of the longitudinal reinforcement 1 in pile crown portion；The top for being longitudinally separated casing 3 is sealed with adhesive tape
Adhesive tape packet header after longitudinal reinforcement 1 is entangled in head, lower end, the entrance of cement slurry when preventing concreting；The lateral separation casing 4
Diameter 16-20mm, wall thickness 2mm；It is straight slightly larger than the longitudinal reinforcement of pile crown steel essence cage to be longitudinally separated 3 diameter of casing
Diameter, wall thickness are not less than 1mm；The casing 3 and the material of lateral separation casing 4 of being longitudinally separated is common PVC plastic pipe.
As shown in Figs 1-4, the construction method for exempting from broken apart concrete filling pile head of the utility model are as follows:
(1) the bored concrete pile framework of steel reinforcement according to measured priming concrete pile hole length and diameter processing, the bored concrete pile
The pile foundation portion of framework of steel reinforcement includes longitudinal reinforcement 1 and stirrup 2, and the pile crown portion of the bored concrete pile framework of steel reinforcement includes longitudinal reinforcement 1；
(2) suit is longitudinally separated casing 3 on the longitudinal reinforcement 1 in the pile crown portion, is longitudinally separated the top glue of casing 3
Adhesive tape packet header after longitudinal reinforcement 1 is entangled in band end socket, lower end, the entrance of cement slurry, bored concrete pile reinforcing bar when preventing concreting
Positioning ring 5 is installed in the bottom in the pile crown portion of frame, and positioning ring 5 is mounted on the reinforcing bar in the pile crown portion of the bored concrete pile framework of steel reinforcement
The outside of skeleton, the outer diameter of the positioning ring 5 is identical as the filling pile head outer diameter, described when disposing pile body steel reinforcement cage
Positioning ring 5 is stake top elevation location；
(3) lateral separation is set in the corresponding position of bottom positioning ring 5 in the pile crown portion of the bored concrete pile framework of steel reinforcement
Casing 4,4 pipe of lateral separation set are arranged in " well " font, and center reserves the middle section that decentralization concreting conduit passes through, horizontal
It is slightly larger than stake holes diameter to the length of separation sleeve pipe 4, then protects reinforcing bar toward the inside threading of lateral separation casing, and can
Pre-buried lifting lug 6；
(4) the bored concrete pile framework of steel reinforcement is placed in the priming concrete pile hole, filling pile head template is set, to
Concrete perfusion in priming concrete pile hole generates bored concrete pile, conserves process into bored concrete pile；
(5) conserve to after reaching design strength requirement that (generally concrete strength of pile reaches design after the bored concrete pile
After the 80% of intensity), the soil around pile crown is opened in cleaning, exposes reserved lateral separation casing, is extracted out in lateral separation casing
Casing protection reinforcing bar (later period is reusable), then penetrate prestressed reinforcement of tensioning (the every prestressing force of diameter 15.7mm
Muscle can bear 30 tons or more of pulling force), cone anchorage 7 is installed at both ends, in conjunction with hand-held hydraulic feed-through jack 8, to pile crown point
From the prestressing force that position applies lateral brisement, pile crown is pulled up, arrangement separation can be realized；Or often have in conjunction with building-site
Lifting equipment, such as tower crane or digging machine, tensioning lock out operation can be realized in 1 operating personnel.
Separating feasibility theory analysis
Mechanical Calculation and Analysis is carried out so that 1m commonly uses stake diameter as an example:
As shown in figure 5, tension standard value is ftk=2.01MPa, because of pile crown position if concrete strength of pile is C30
Longitudinal reinforcement has casing protection, do not bond with concrete, then entire pile body breaks internal force are as follows: 1571KN converts into 157
Ton.Four groups to draw cone anchorage on, every vertical extruding internal force punished is about 20 tons at 8.And hydraulic punching is very heavy at this time
The stretching force that top need to only provide 5.22 tons can meet, and hydraulic feed-through jack maximum is held on open market can generate 26 tons
Pulling force.In addition, the concrete sheet after hardening, as fragile material, there is cracking in one section of part, entire cross section can be run through immediately,
And then the effect of the overall separation of pile crown can be achieved completely.As seen from the above analysis, the pile crown concrete of 1m diameter is separated,
There are also very big to have more than needed for mechanical property provided by equipment, that is to say, that and the utility model can separate the pile crown of larger diameter,
By being arranged to the different quantity for drawing anchorage, the pile crown overall separation under the various operating conditions of diameter 0.8m to 2m is fully met.
The utility model implement only need a small-sized hand-held centre-hole jack and it is some may be reused match
Part, such as cone anchorage and the lifting equipment often having to drawing reinforcing bar, cooperation building-site, such as tower crane or digging machine, 1 operating personnel
Tensioning lock out operation can be realized, consumptive material is mainly reflected in plastic tube, and 20 meters of plastic tubes of each pile crown mean consumption are calculated, expended
30 yuan of cost, but overall efficacy is high, it is at low cost, there is biggish competition potential.It is pure artificial with the current most common building trade
Broken pile crown is reference, and every cubic metre of pile head breaking needs artificial and machinery expenses at least at 200 yuan or more, and uses this item
If purpose scheme is implemented, work efficiency can improve at least 10 times or more, and noiseless and dust pollution, the pile crown of rejecting can also return
It receives and utilizes, have high economic benefit and prospect.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, can also make several improvements and retouch, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of exempt from broken apart concrete filling pile head, it is characterised in that: mixed including bored concrete pile framework of steel reinforcement and perfusion
There are longitudinal reinforcement and stirrup in solidifying soil, the pile foundation portion of the bored concrete pile framework of steel reinforcement, and the pile crown portion of the bored concrete pile framework of steel reinforcement has
Longitudinal reinforcement；Suit is longitudinally separated casing, the bored concrete pile steel on the longitudinal reinforcement in the pile crown portion of the bored concrete pile framework of steel reinforcement
The bottom in the pile crown portion of tendons skeleton is provided with lateral separation casing, and the lateral separation casing is arranged in " well " font, and center is stayed
The vacancy of tremie is transferred out；And casing protection reinforcing bar is equipped in the lateral separation casing.
A kind of exempt from broken apart concrete filling pile head 2. according to claim 1, it is characterised in that: the transverse direction
Separation sleeve pipe includes the first lateral separation casing and the second lateral separation casing, and the first lateral separation casing and second is laterally
Separation sleeve pipe is vertically installed in the bottom in the pile crown portion of bored concrete pile framework of steel reinforcement.
A kind of exempt from broken apart concrete filling pile head 3. according to claim 1 or 2, it is characterised in that: described
Lateral separation casing length is greater than the stake diameter 10cm in the pile crown portion of bored concrete pile framework of steel reinforcement.
A kind of exempt from broken apart concrete filling pile head 4. according to claim 1, it is characterised in that: the perfusion
The bottom in the pile crown portion of stake framework of steel reinforcement is also equipped with positioning ring, and the positioning ring is mounted on the bored concrete pile framework of steel reinforcement
Pile crown portion framework of steel reinforcement outside, the outer diameter of the positioning ring is identical as the filling pile head outer diameter, dispose pile body
When steel reinforcement cage, the positioning ring is stake top elevation location.
A kind of exempt from broken apart concrete filling pile head 5. according to claim 4, it is characterised in that: the longitudinal direction
The lower end of separation sleeve pipe and the lower end of positioning ring are in the same plane.
A kind of exempt from broken apart concrete filling pile head 6. according to claim 1, it is characterised in that: the longitudinal direction
The upper end of separation sleeve pipe is flushed with the top of the longitudinal reinforcement in pile crown portion.
A kind of exempt from broken apart concrete filling pile head 7. according to claim 1, it is characterised in that: the longitudinal direction
Adhesive tape packet header after longitudinal reinforcement is entangled in the top adhesive tape sealing head of separation sleeve pipe, lower end, cement slurry when preventing concreting
Into.
A kind of exempt from broken apart concrete filling pile head 8. according to claim 1 or 2, it is characterised in that: described
The diameter 16-20mm of lateral separation casing, wall thickness 2mm；It is vertical slightly larger than pile crown steel essence cage to be longitudinally separated casing diameter
To the diameter of reinforcing bar, wall thickness is not less than 1mm.
A kind of exempt from broken apart concrete filling pile head 9. according to claim 1, it is characterised in that: the longitudinal direction
The material of separation sleeve pipe and lateral separation casing is PVC plastic pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821723647.7U CN209178986U (en) | 2018-10-24 | 2018-10-24 | It is a kind of to exempt from broken apart concrete filling pile head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821723647.7U CN209178986U (en) | 2018-10-24 | 2018-10-24 | It is a kind of to exempt from broken apart concrete filling pile head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209178986U true CN209178986U (en) | 2019-07-30 |
Family
ID=67361888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821723647.7U Withdrawn - After Issue CN209178986U (en) | 2018-10-24 | 2018-10-24 | It is a kind of to exempt from broken apart concrete filling pile head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209178986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183783A (en) * | 2018-10-24 | 2019-01-11 | 南宁职业技术学院 | It is a kind of to exempt from broken apart concrete filling pile head |
-
2018
- 2018-10-24 CN CN201821723647.7U patent/CN209178986U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183783A (en) * | 2018-10-24 | 2019-01-11 | 南宁职业技术学院 | It is a kind of to exempt from broken apart concrete filling pile head |
| CN109183783B (en) * | 2018-10-24 | 2023-10-24 | 南宁职业技术学院 | Breaking-free separated pile head of concrete filling pile |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190730 Effective date of abandoning: 20231024 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190730 Effective date of abandoning: 20231024 |