CN215801618U - Conveniently broken bored concrete pile head - Google Patents
Conveniently broken bored concrete pile head Download PDFInfo
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- CN215801618U CN215801618U CN202121236434.3U CN202121236434U CN215801618U CN 215801618 U CN215801618 U CN 215801618U CN 202121236434 U CN202121236434 U CN 202121236434U CN 215801618 U CN215801618 U CN 215801618U
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- pile head
- pile
- conveniently
- wall
- protection tube
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- 238000010276 construction Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 210000003205 muscle Anatomy 0.000 description 17
- 230000002787 reinforcement Effects 0.000 description 12
- 239000000725 suspension Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The application relates to a conveniently-broken cast-in-place pile head, which comprises a pile head main rib, a protection pipe sleeved on the pile head main rib and concrete for pouring a cast-in-place pile; the length of the protection tube is greater than that of the pile head main rib. This application has the effect of improving the comparatively difficult defect of broken pile head construction.
Description
Technical Field
The application relates to the field of cast-in-place concrete piles, in particular to a cast-in-place pile head convenient to break.
Background
In recent years, the urban land is tight, the residential buildings are high, the requirement on the foundation is higher and higher, the high-rise residential buildings usually adopt the pile foundation, part of the residential buildings are built on backfilled water pits, ponds and rivers, and the pile foundation is also adopted when the bearing capacity of the foundation is insufficient.
The cast-in-place pile in the pile foundation is commonly used, according to the construction process and the design requirement of the cast-in-place pile, in order to ensure that the load capacity of the cast-in-place pile meets the design requirement, the cast-in-place pile is at least 500mm longer than the designed pile, and redundant pile heads are cut off after earthwork excavation.
The concrete strength of the cast-in-place pile is high, generally, the concrete strength is higher than C40, the concrete of the outer ring of the pile head needs to be crushed by the traditional pile crushing method, pile reinforcing steel bars are separated, the concrete of the rest part of the pile head is cut off and taken out, and the pile head is difficult to be crushed by the method.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the pile head is broken, all concrete on the outer ring of the pile head needs to be broken, so that the main reinforcement of the pile head is separated from the concrete, the pile head is split and separated from the pile body, and the construction of the broken pile head is difficult.
SUMMERY OF THE UTILITY MODEL
In order to improve the comparatively difficult defect of broken pile head construction, this application provides a convenient bored concrete pile head that breaks.
The application provides a pair of convenient bored concrete pile head that breaks adopts following technical scheme:
a conveniently broken cast-in-place pile head comprises a pile head main rib, a protection pipe sleeved on the pile head main rib and concrete for pouring a cast-in-place pile;
the length of the protection tube is greater than that of the pile head main reinforcement.
Through adopting above-mentioned technical scheme, when bored concrete pile concreting, the pile head owner muscle of pile head can separate with the concrete, only need separate the concrete splitting of pile head and pile body when broken pile head, reduces the manpower and consumes.
Optionally, one end of the protection tube is provided as a closed end.
Through adopting above-mentioned technical scheme, when concreting, can avoid in the concrete gets into the protection tube, pour the inner wall of pile head owner muscle and protection tube and be connected.
Optionally, limiting plates are arranged on the inner walls of the two ends of the protection tube;
the limiting plate is a trapezoidal plate, the lower bottom edge of the limiting plate is fixedly connected to the inner wall of the protection tube, and the upper bottom edge of the limiting plate is abutted to the outer wall of the pile head main rib.
By adopting the technical scheme, when the limiting plate enables the protection pipe sleeve to be arranged on the pile head main rib, the pile head main rib is kept on the axis of the protection pipe, when concrete is poured, the protection pipe is not inclined and moved by the pressure generated by concrete pouring, and meanwhile, the slope is formed at the waist edge of the limiting plate, so that the pile head main rib can be conveniently inserted into the protection pipe.
Optionally, the outer wall of the protection tube is fixedly connected with a first positioning ring, the first positioning ring is located at the other end, away from the closed end, of the protection tube, and the outer diameter of the first positioning ring is tangent to the outer wall of the cast-in-place pile.
Through adopting above-mentioned technical scheme, when the bored concrete pile concreting, first retaining ring forms the cutting mark on the outer wall of pile head to isolated pile head and the partial concrete of pile body can conveniently break separation pile head and pile body.
Optionally, a plastic hose is arranged on the first positioning ring, and an inner circle of the plastic hose is abutted to the outer wall of the protection tube.
Through adopting above-mentioned technical scheme, when using the cutting mark cutting bored concrete pile that the cutting machine formed along first retaining ring, plastic hose can avoid destroying pile head owner muscle as the mark.
Optionally, a second positioning ring is fixedly connected to the outer wall of the protection tube, the second positioning ring is located above the first positioning ring, and the outer diameter of the second positioning ring is the same as that of the first positioning ring.
Through adopting above-mentioned technical scheme, the second holding ring can form the cutting mark at the pile head, divide into the whole section pile head of getting rid of and the artifical section pile head of clearing up with the pile head, can reduce the probability that causes the injury to the pile body when broken pile head.
Optionally, a plastic hose is arranged on the second positioning ring, and an inner circle of the plastic hose is abutted to the outer wall of the protection tube.
Through adopting above-mentioned technical scheme, use the cutting machine along cutting mark cutting pile head, divide into the whole section pile head of getting rid of and the artifical section pile head of clearing up with the pile head, plastic hose is as the mark, avoids destroying pile head owner muscle.
Optionally, the outer wall of the protection tube is fixedly connected with a wire lifting tube, and the length of the wire lifting tube is equal to the diameter of the pile head.
By adopting the technical scheme, a channel for the suspension wire to pass through can be formed at the pile head, and the pile head can be conveniently lifted by a crane after the steel wire rope passes through the suspension wire pipe.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the pile head main reinforcement and the concrete are isolated by arranging the protection pipe during pouring, the concrete on the outer ring of the pile head is not required to be completely crushed during pile head breaking, the pile head main reinforcement and the concrete can be separated to break and separate the pile head and the pile body, and the concrete of the pile head and the pile body is directly broken and separated to complete pile head breaking;
2. by arranging the limiting plate and the positioning ring, the axis of the pile head main rib can be limited on the axis of the protective pipe by the limiting plate, so that the positioning ring forms a cutting mark on the outer wall of the pile head, and meanwhile, part of concrete is isolated, and the pile head can be conveniently cut by the cutting machine;
3. through setting up the suspension wire pipe, the suspension wire pipe can form at the pile head and supply the suspension wire to pass the passageway, conveniently with pile head fixed connection on the lifting hook to use the crane to hoist the pile head.
Drawings
Fig. 1 is a schematic structural view of a pile head without concreting.
Fig. 2 is a schematic view of the post-pile head cast cut.
Fig. 3 is a schematic sectional structure of the protection tube.
Fig. 4 is a schematic illustration of pile head perforation.
FIG. 5 is a schematic view of a pile head channel
Fig. 6 is a cross-sectional view of a manually cleaned segment pile head.
Description of reference numerals: 1. pile head main reinforcement; 2. protecting the tube; 21. a limiting plate; 22. a first positioning ring; 23. a second positioning ring; 3. a plastic hose; 4. hoisting a wire pipe; 5. cutting a line; 6. drilling; 7. integrally removing the pile head; 8. and manually cleaning the pile head.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a conveniently broken bored concrete pile head. Referring to fig. 1 and 2, the pile head includes a plurality of pile head main reinforcements 1, a plurality of protection pipes 2 respectively sleeved on the plurality of pile head main reinforcements 1, and concrete for pouring the cast-in-place pile, and the exposed part of the reinforcement cage main reinforcement after the cast-in-place pile is poured is defined as the pile head main reinforcement 1.
Referring to fig. 3, protection tube 2 is the PVC pipe of preparation in advance, the length of protection tube 2 is greater than the length of pile head owner muscle 1, the top fixedly connected with of protection tube 2 and the PVC board of the 2 orificial adaptations of protection tube, the PVC board makes the one end of protection tube 2 be the encapsulated situation, be fixed with limiting plate 21 on the inner wall at protection tube 2's both ends, limiting plate 21 is trapezoidal board, the lower base of limiting plate 21 and the inner wall fixed connection of protection tube 2, the both ends of protection tube 2 are provided with three limiting plate 21 respectively, three limiting plate 21 height on protection tube 2 is the same and around protection tube 2's inner wall evenly distributed.
When concreting preparation pile head in bored concrete pile upper end, establish protection tube 2 cover earlier on pile head owner muscle 1, make protection tube 2 and concrete placement, there is the space between protection tube 2 and the pile head owner muscle 1, after the splitting concrete, pile head owner muscle 1 can conveniently be separated with protection tube 2, the last base of limiting plate 21 and the outer wall butt of pile head owner muscle 1, the even butt pile head owner muscle of last base of three limiting plate 21, restrict the axis of pile head owner muscle 1 on the axis of protection tube 2, the waist limit of limiting plate 21 forms the slope and can be convenient for pile head owner muscle 1 to insert in protection tube 2.
Be provided with the holding ring on the outer wall of protection tube 2 bottom, the holding ring is including fixing first holding ring 22 on protection tube 2 bottom and the second holding ring 23 that is located the top of first holding ring 22, and the external diameter of holding ring is tangent with the outer wall of bored concrete pile, and the holding ring forms the cutting mark at the outer wall of pile head.
The radius of holding ring keeps perpendicular with the axis of pile head owner muscle 1, the concrete solidifies the back, the bottom surface of first holding ring 22 and the bottom surface coincidence of pile head, the pile head section between first holding ring 22 and the second holding ring 23 is artifical clearance section pile head 8, form second holding ring 23 to the pile head section definition on pile head top for wholly getting rid of section pile head 7, split the separation back with the concrete of pile head and the concrete of pile body, can wholly get rid of the rest part of pile head under the condition of keeping intact pile head owner muscle 1.
Referring to fig. 1 and 2, two plastic hoses 3 are arranged on the positioning rings at the same height, the two plastic hoses 3 are arranged corresponding to the first positioning ring 22 and the second positioning ring 23 respectively, and the plastic hoses 3 are annular and the inner circles of the plastic hoses are abutted to the outer walls of all the protection pipes 2.
And cutting the peripheral surface of the pile head by using a cutting machine along the cutting mark formed by the second positioning ring 23 until the plastic hose 3 is cut, so that the main reinforcement 1 of the pile head is separated from the concrete of the outer ring of the integrally removed section pile head 7.
Referring to fig. 4, a wind gun drill is used for drilling on a cutting seam to avoid a main rib 1 of the pile head to form a drill hole 6, the depth of the drill hole 6 is from one third diameter to one half diameter of the pile head, a splitter is installed at the position of the drill hole 6, the direction of the splitter splitting the pile head is perpendicular to the axis of a cast-in-place pile, and the pile head 7 of the integral removing section is split and separated from the pile head 8 of the manual cleaning section.
Referring to fig. 1 and 5, the pile head further includes a suspension wire pipe 4, the suspension wire pipe 4 is provided as two pre-made PVC circular pipes, the length of the suspension wire pipe 4 is equal to the diameter of the pile head, the two suspension wire pipes 4 form a 90-degree included angle, and the suspension wire pipe 4 is fixedly connected to the middle of the protection pipe 2 by using an iron wire.
When the cast-in-place pile is used for pouring concrete, the two ends of the wire hanging pipe 4 are plugged by gauze, after the concrete is solidified, the wire hanging pipe 4 forms a channel for a hanging wire to pass through in the pile head after the gauze is taken out, the steel wire rope passes through the wire hanging pipe 4 and then is fixed on a lifting hook, and after the pile head is split by using a splitting machine, the whole pile head 7 with the removing section can be lifted by a crane.
Referring to fig. 5 and 6, after the integrally removed section pile head 7 is lifted away by using a crane, since the pile head main reinforcement 1 is separated from the concrete by the protection tube 2, the first positioning ring 22 forms a cutting mark on the outer wall of the pile head, the ring surface of the first positioning ring 22 separates the pile head from part of the concrete of the pile body, and a worker can conveniently clear the manually cleaned section pile head 8.
The implementation principle of the conveniently broken cast-in-place pile head of the embodiment of the application is as follows: when the partial concrete of pile head is pour to the bored concrete pile, establish protection tube 2 cover earlier on the pile head owner muscle 1 of pile head, pour the concrete, make pile head owner muscle 1 isolated with the concrete, after the concrete solidifies, with pile head and pile body splitting separation, need not separate out pile head owner muscle 1 with the whole breakage of concrete of pile head outer lane, can separate pile head and pile body, conveniently abolishes the pile head.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a conveniently broken bored concrete pile head which characterized in that: the pile comprises a pile head main rib (1), a protection pipe (2) sleeved on the pile head main rib (1), and concrete poured into a cast-in-place pile;
the length of the protection pipe (2) is larger than that of the pile head main rib (1).
2. The pile head of the conveniently-broken cast-in-place pile of claim 1, wherein: one end of the protection tube (2) is set to be a closed end.
3. The pile head of the conveniently-broken cast-in-place pile of claim 1, wherein: limiting plates (21) are arranged on the inner walls of the two ends of the protection tube (2);
the limiting plate (21) is a trapezoidal plate, the lower bottom edge of the limiting plate (21) is fixedly connected to the inner wall of the protecting tube (2), and the upper bottom edge of the limiting plate (21) is abutted to the outer wall of the pile head main rib (1).
4. The pile head of the conveniently-broken cast-in-place pile of claim 3, wherein: fixedly connected with first retaining ring (22) on the outer wall of protection tube (2), first retaining ring (22) are located protection tube (2) and keep away from the other end of blind end on, and the external diameter of first retaining ring (22) is tangent with the outer wall of bored concrete pile.
5. The pile head of the conveniently-broken cast-in-place pile of claim 4, wherein: a plastic hose (3) is arranged on the first positioning ring (22), and the inner circle of the plastic hose (3) is abutted to the outer wall of the protection pipe (2).
6. The pile head of the conveniently-broken cast-in-place pile of claim 4, wherein: the outer wall of the protection tube (2) is fixedly connected with a second positioning ring (23), the second positioning ring (23) is located above the first positioning ring (22), and the outer diameter of the second positioning ring (23) is the same as that of the first positioning ring (22).
7. The pile head of the conveniently-broken cast-in-place pile of claim 6, wherein: the second positioning ring (23) is provided with a plastic hose (3), and the inner circle of the plastic hose (3) is abutted to the outer wall of the protection pipe (2).
8. The pile head of the conveniently-broken cast-in-place pile of claim 2, wherein: fixedly connected with hangs spool (4) on the outer wall of protection tube (2), the length of hanging spool (4) equals the diameter of pile head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121236434.3U CN215801618U (en) | 2021-06-03 | 2021-06-03 | Conveniently broken bored concrete pile head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121236434.3U CN215801618U (en) | 2021-06-03 | 2021-06-03 | Conveniently broken bored concrete pile head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215801618U true CN215801618U (en) | 2022-02-11 |
Family
ID=80175290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121236434.3U Expired - Fee Related CN215801618U (en) | 2021-06-03 | 2021-06-03 | Conveniently broken bored concrete pile head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215801618U (en) |
-
2021
- 2021-06-03 CN CN202121236434.3U patent/CN215801618U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220211 |