CN111321728A - Post-implantation type pile head cutting and crushing device and method - Google Patents
Post-implantation type pile head cutting and crushing device and method Download PDFInfo
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- CN111321728A CN111321728A CN202010295692.2A CN202010295692A CN111321728A CN 111321728 A CN111321728 A CN 111321728A CN 202010295692 A CN202010295692 A CN 202010295692A CN 111321728 A CN111321728 A CN 111321728A
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- pipe
- pipes
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- pile head
- ring pipe
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- 238000005520 cutting process Methods 0.000 title claims abstract description 40
- 238000002513 implantation Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000003068 static effect Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 9
- 230000002787 reinforcement Effects 0.000 description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000002245 particle Substances 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 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
-
- 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
- E02D5/223—Details of top sections of foundation piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a post-implantation type pile head cutting and crushing device which comprises a plurality of guide posts which are uniformly and vertically distributed around the circumference, wherein the lower end of the inner side of the circumference defined by the guide posts is commonly connected with a bottom ring pipe, the bottom ring pipe is uniformly connected with a plurality of bottom through pipes around the inner side of the bottom ring pipe, the other ends of the bottom through pipes are connected, the connection point is positioned at the ring center of the bottom ring pipe, the bottom through pipes are at least connected with a vertically arranged longitudinal pipe, the bottom ring pipe is also connected with a spiral pipe, the spiral pipe upwards spirals along the guide posts, the outer side of the spiral pipe is fixedly connected with the guide posts, the bottom ring pipe is communicated with the bottom through pipes, the bottom through pipes are communicated with the. The invention aims to provide a post-implantation type pile head cutting and crushing device, which solves the problems of complex process, low efficiency and high cost in the prior art. The invention also discloses a post-implantation type pile head cutting and crushing method.
Description
Technical Field
The invention belongs to the technical field of foundation foundations, relates to a post-implantation type pile head cutting and crushing device, and further relates to a post-implantation type pile head cutting and crushing method.
Background
In order to ensure that the quality of the pile top concrete meets the requirements in the construction process of the concrete cast-in-place pile, the elevation of the top surface of the pile body concrete after pile forming is generally higher than the designed elevation of the pile top; after the strength of the pile body concrete reaches the design requirement, the super-poured concrete above the designed elevation of the pile top needs to be broken off before the next procedure of construction.
The conventional method for breaking the super-filled concrete pile head above the designed elevation of the pile top comprises the steps of breaking a concrete protective layer outside a main reinforcement of the pile head by using an air pick, stripping the reinforcement, driving a steel wedge into the root of the residual concrete, prying and lifting the pile top concrete, and leveling the pile head to achieve the purpose of breaking the concrete above the designed elevation of the pile top.
The traditional pile head breaking method has the following problems:
1. the process is complicated: the pile head breaking needs a plurality of processes, and the breaking, hanging, transportation and the like of the pile head need a plurality of construction machines, so that the construction organization is limited to a certain extent.
2. The efficiency is low: the concrete outside the main reinforcement is broken by adopting an air pick, manually stripping the main reinforcement and hoisting the pile head, so that the production rate is low, and the time for breaking one pile head is long.
3. The cost is high: a large amount of manpower and material resources are consumed in the pile head breaking process, and the breaking cost is high.
4. Poor safety: the concrete outside the main reinforcement needs to be broken by an air pick manually, the hoisting process of the pile head and the like need to be operated in a manual cooperation mode, the danger degree is high, and safety guarantee measures are large in investment.
5. The pile head breaks the back pile crown face roughness and can't control, need carry out the flattening back to the pile head and can reach the requirement.
6. The pile head hoisting cost is high: the pile head is heavy and needs to be lifted and transported by large construction machinery.
7. If the concrete pile head is discarded, the negative influence on the environment is large, and if the pile head needs to be recycled, the pile head needs to be crushed for the second time.
8. The noise is big: construction equipment such as pneumatic picks, angle grinders and the like used in the pile head breaking process can generate large noise.
Disclosure of Invention
The invention aims to provide a post-implantation type pile head cutting and crushing device, which solves the problems of complex process, low efficiency and high cost in the prior art.
The technical scheme includes that the post-implantation type pile head cutting and crushing device comprises a plurality of guide posts which are uniformly and vertically distributed around the circumference, the lower end of the inner side of the circumference defined by the guide posts is commonly connected with a bottom ring pipe, the bottom ring pipe is uniformly connected with a plurality of bottom through pipes around the inner side of the bottom ring pipe, the other ends of the bottom through pipes are connected, the connection point is located at the ring center of the bottom ring pipe, at least one vertically-arranged longitudinal pipe is connected onto the bottom through pipes, a spiral pipe is further connected onto the bottom ring pipe, the spiral pipe upwards spirals along the guide posts, the outer side of the spiral pipe is fixedly connected with the guide posts, the bottom ring pipe is communicated with the bottom through pipes, the bottom through pipes are communicated with the longitudinal pipes, and.
The invention adopts another technical scheme that the post-implantation type pile head cutting and crushing device comprises a plurality of guide posts which are uniformly and vertically distributed around the circumference, the lower end of the inner side of the circumference enclosed by the guide posts is commonly connected with a bottom ring pipe, the bottom ring pipe is uniformly connected with a plurality of bottom through pipes around the inner side of the bottom ring pipe, the other ends of the bottom through pipes are connected, the connection point is positioned at the ring center of the bottom ring pipe, at least one vertically-arranged longitudinal pipe is connected onto the bottom through pipes, a plurality of horizontally-arranged ring pipes are uniformly fixed on the inner side of the circumference enclosed by the guide posts, a plurality of vertically-arranged longitudinal pipes a uniformly penetrate through the ring pipes around the circumference of the ring pipes, all the ring pipes are commonly penetrated through by each longitudinal pipe a and are communicated with all the ring pipes, the bottom ring pipes are communicated with the bottom through pipes, and the bottom through.
The present invention is also characterized in that,
the outer diameter of the spiral pipe is the same as the inner diameter of the circumference surrounded by the guide posts.
The bottom ring canal center department is provided with vertical distribution's indulges the pipe, and the one end that bottom ring canal was kept away from to a plurality of bottom siphunculus with indulge the pipe intercommunication.
The central position of each bottom through pipe is communicated with a vertical longitudinal pipe.
The bottom through pipe is evenly connected with three pipes around the inner side of the bottom ring pipe.
A plurality of annular pipes which are concentrically distributed with the bottom ring pipe are arranged in the bottom ring pipe, and each annular pipe is communicated with a plurality of bottom through pipes.
The third technical scheme adopted by the invention is that the post-implantation type pile head cutting and crushing method is implemented according to the following steps:
step 1, after the cast-in-place pile concrete is poured and before the concrete is initially set, aligning the center of the post-implanted pile head cutting and crushing device of claim 1 or 2 with the center of the cast-in-place pile, and pressing the device into the cast-in-place pile to ensure that a bottom ring pipe is positioned on a designed elevation plane of the pile top of the cast-in-place pile;
and 4, after the static crushing agent plays a role in cutting and crushing the pile head concrete, removing the crushed concrete and other waste materials designed on the pile top of the cast-in-place pile, collecting small-particle-size concrete blocks to realize reutilization of the crushed pile head, and simultaneously performing the next process.
The invention has the beneficial effects that:
1. the operability is good, and large-scale construction machinery is not needed.
2. High efficiency just can set up in a flexible way, and whole pile heads can once break away, also can organize according to the construction and partially break away.
3. The cost is low, a large amount of manpower and mechanical use cost are saved, and the time consumption is short, and the cost is low.
4. The safety is good, large-scale mechanical equipment is not needed to enter the field in the pile head breaking process, and the safety of field construction is easy to guarantee.
5. The pile top surface is flat after the pile head is broken, and the pile top does not need to be leveled.
6. The small-grain-size concrete blocks are formed after the pile heads are broken, and the pile heads do not need to be lifted.
7. The particle size of the concrete block formed after the pile head is broken can be controlled, various requirements of different particle sizes of a road bed or a foundation cushion and the like can be met, secondary utilization after the pile head is broken is realized, and secondary breaking cost is avoided.
8. The pile head breaking process has no noise, no noise pollution to the environment and no dispute.
Drawings
Fig. 1 is a schematic structural diagram of a post-implantation type pile head cutting and crushing device of the invention;
FIG. 2 is a cross-sectional view of FIG. 1;
fig. 3 is another structural schematic diagram of the post-implantation type pile head cutting and crushing device;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a schematic structural diagram of a post-implantation type pile head cutting and crushing device provided with a single longitudinal pipe;
fig. 6 is a structural schematic diagram of an annular tube of the post-implantation type pile head cutting and crushing device.
In the figure, 1 is a bottom ring pipe, 2 is a bottom through pipe, 3 is a longitudinal pipe, 3-1 is a longitudinal pipe a, 4 is a spiral pipe, 5 is a ring pipe, 6 is a guide post, 7 is a cast-in-place pile, 8 is a cast-in-place pile longitudinal rib, 9 is a cast-in-place pile stirrup, and 10 is a ring pipe.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a post-implantation type pile head cutting and crushing device, which comprises a plurality of guide posts 6 which are uniformly and vertically distributed around the circumference, wherein the lower end of the inner side of the circumference surrounded by the guide posts 6 is commonly connected with a bottom ring pipe 1, the bottom ring pipe 1 is uniformly connected with a plurality of bottom through pipes 2 around the inner side of the bottom ring pipe, the other ends of the bottom through pipes 2 are connected, the connection point is positioned at the ring center of the bottom ring pipe 1, at least one vertically arranged longitudinal pipe 3 is connected onto the bottom through pipes 2, a spiral pipe 4 is also connected onto the bottom ring pipe 1, the spiral pipe 4 spirals upwards along the guide posts 6, the outer side of the spiral pipe 4 is fixedly connected with the guide posts 6, the bottom ring pipe 1 is communicated with the bottom through pipes 2, the bottom through pipes 2 are communicated with the longitudinal pipes 3, and.
In fig. 2, 8 is a longitudinal reinforcement of the cast-in-place pile, and 9 is a stirrup of the cast-in-place pile.
The invention relates to a post-implantation type pile head cutting and crushing device, which comprises a plurality of guide posts 6 which are uniformly and vertically distributed around the circumference, the lower end of the inner side of the circumference surrounded by the guide posts 6 is commonly connected with a bottom ring pipe 1, the bottom ring pipe 1 is uniformly connected with a plurality of bottom through pipes 2 around the inner side thereof, the other ends of the plurality of bottom through pipes 2 are connected and the connection point is positioned at the ring center of the bottom ring pipe 1, the plurality of bottom through pipes 2 are at least connected with a vertical pipe 3, the inner side of the circumference surrounded by the guide posts 6 is also uniformly fixed with a plurality of horizontally arranged ring pipes 5, a plurality of vertically arranged vertical pipes a3-1 are uniformly penetrated around the circumference of the ring pipes 5, and all the ring pipes 5 are penetrated through by each vertical pipe a3-1 together, and is communicated with all the ring pipes 5, the bottom ring pipe 1 is communicated with the bottom through pipe 2, and the bottom through pipe 2 is communicated with the longitudinal pipe 3.
The outer diameter of the spiral pipe 4 is the same as the inner diameter of the circumference surrounded by the guide post 6.
The spiral pipe 4 of the present invention can be uniformly connected to the bottom ring pipe 1 in plural.
As shown in fig. 5, the bottom ring pipe 1 is provided with vertical pipes 3 at the center, and one ends of the bottom through pipes 2 far from the bottom ring pipe 1 are communicated with the vertical pipes 3.
The central position of each bottom through pipe 2 is communicated with a vertical longitudinal pipe 3.
Three bottom through pipes 2 are uniformly connected around the inner side of the bottom ring pipe 1.
As shown in fig. 6, a plurality of annular tubes 10 are arranged in the bottom ring pipe 1 and are concentrically distributed with the bottom ring pipe 1, and each annular tube 10 is communicated with a plurality of bottom through tubes 2.
A post-implantation type pile head cutting and crushing method is implemented by adopting the post-implantation type pile head cutting and crushing device according to the following steps:
step 1, after pouring concrete of a cast-in-place pile 7 and before initial setting of the concrete, aligning the center of the post-implanted pile head cutting and crushing device of claim 1 or 2 with the center of the cast-in-place pile 7, and pressing the device into the cast-in-place pile 7 to ensure that a bottom ring pipe 1 is positioned on a designed elevation plane of the pile top of the cast-in-place pile 7;
and 4, after the static crushing agent plays a role in cutting and crushing the pile head concrete, removing the crushed concrete and other waste materials designed on the pile top of the cast-in-place pile 7, collecting small-particle-size concrete blocks to realize reutilization of the crushed pile head, and simultaneously performing the next process.
In order to meet the requirements of different particle sizes of pile head concrete crushing, the invention can arrange the longitudinal pipe 3, the spiral pipe 4, the longitudinal pipe a3-1 and the circular pipe 5 with different sparsity degrees according to the requirements.
For the large-diameter cast-in-place pile 7, the post-implantation type pile head cutting and crushing device is arranged into a plurality of devices with different concentric sizes to be nested inside and outside.
As shown in fig. 5, only a single longitudinal pipe 3 is arranged, suitable for a smaller diameter cast-in-place pile 7.
The ring pipe 5, the longitudinal pipe 3, the longitudinal pipe a3-1, the spiral pipe 4, the bottom ring pipe 1 and the bottom through pipe 2 are of hollow structures and have the functions of energy gathering and the like, the ring pipe 5 and the bottom ring pipe 1 are arranged into special hollow pipes such as oval pipes or hollow pipes with sharp corners, and the ring pipe and the guide post are made of polyvinyl chloride.
In the step 2 of the invention, two reinforcing steel bars can be inserted into the top of a post-implantation type pile head cutting and crushing device or reinforcing steel bar meshes are adopted to connect the mesh reinforcing steel bars with the top of the post-implantation type pile head cutting and crushing device by iron wires, so that the mesh reinforcing steel bars do not sink before the initial setting of concrete.
Claims (8)
1. The post-implantation type pile head cutting and crushing device is characterized by comprising a plurality of guide columns (6) which are uniformly and vertically distributed around the circumference, wherein the lower end of the inner side of the circumference enclosed by the plurality of guide columns (6) is jointly connected with a bottom ring pipe (1), the bottom ring pipe (1) is uniformly connected with a plurality of bottom through pipes (2) around the inner side of the bottom ring pipe, the other ends of the plurality of bottom through pipes (2) are connected, the connection point of the other ends of the plurality of bottom through pipes is positioned at the ring center of the bottom ring pipe (1), at least one vertically arranged longitudinal pipe (3) is connected onto the plurality of bottom through pipes (2), a spiral pipe (4) is further connected onto the bottom ring pipe (1), the spiral pipe (4) upwards spirals along the guide columns (6), the outer side of the spiral pipe (4) is fixedly connected with the guide columns (6), and the bottom ring pipe (1), the bottom through pipe (2) is communicated with the longitudinal pipe (3), and the spiral pipe (4) is communicated with the bottom annular pipe (1).
2. The post-implantation type pile head cutting and crushing device is characterized by comprising a plurality of guide posts (6) which are uniformly and vertically distributed around the circumference, wherein the lower end of the inner side of the circumference enclosed by the guide posts (6) is commonly connected with a bottom ring pipe (1), the bottom ring pipe (1) is uniformly connected with a plurality of bottom through pipes (2) around the inner side of the bottom ring pipe, the other ends of the bottom through pipes (2) are connected, the connection point of the bottom through pipes is positioned at the ring center of the bottom ring pipe (1), at least one vertically-arranged longitudinal pipe (3) is connected onto the bottom through pipes (2), a plurality of horizontally-arranged ring pipes (5) are uniformly fixed on the inner side of the circumference enclosed by the guide posts (6), a plurality of vertically-arranged longitudinal pipes a (3-1) are uniformly penetrated around the circumference of the ring pipes (5), and all the ring pipes (5) are penetrated through by the longitudinal pipes a (3-1) together, and is communicated with all the circular pipes (5), the bottom circular pipe (1) is communicated with the bottom through pipe (2), and the bottom through pipe (2) is communicated with the longitudinal pipe (3).
3. The post-implantation type pile head cutting and crushing device as claimed in claim 1, wherein the outer diameter of the spiral pipe (4) is the same as the inner diameter of the circumference surrounded by the guide post (6).
4. The post-implantation type pile head cutting and crushing device as claimed in claim 1 or 2, wherein a plurality of vertical tubes (3) are vertically arranged at the center of the bottom ring pipe (1), and one ends of the bottom through tubes (2) far away from the bottom ring pipe (1) are communicated with the vertical tubes (3).
5. The post-implantation type pile head cutting and crushing device as claimed in claim 1 or 2, wherein a vertical longitudinal pipe (3) is communicated with the central position of each bottom through pipe (2).
6. The post-implantation type pile head cutting and crushing device as claimed in claim 1 or 2, wherein three bottom through pipes (2) are uniformly connected around the inner side of the bottom ring pipe (1).
7. The post-implantation type pile head cutting and crushing device according to claim 1 or 2, wherein a plurality of annular pipes (10) are arranged in the bottom ring pipe (1) and are concentrically distributed with the bottom ring pipe (1), and each annular pipe (10) is communicated with a plurality of bottom through pipes (2).
8. A post-implantation type pile head cutting and crushing method is characterized in that the post-implantation type pile head cutting and crushing device of claim 1 or 2 is adopted, and the method is implemented according to the following steps:
step 1, after pouring concrete of a cast-in-place pile (7) and before initial setting of the concrete, aligning the center of the post-implanted pile head cutting and crushing device as claimed in claim 1 or 2 with the center of the cast-in-place pile (7), and pressing the device into the cast-in-place pile (7) to ensure that a bottom ring pipe (1) is positioned on a designed elevation plane of the pile top of the cast-in-place pile (7);
step 2, after the cast-in-place pile 7 is pressed in, the position of the post-implanted pile head cutting and crushing device implanted into the cast-in-place pile (7) is not changed by external fixing measures;
step 3, when the concrete strength of the cast-in-place pile (7) meets the design requirement, a static crushing agent is poured along the longitudinal pipe (3) and the spiral pipe (4) or the longitudinal pipe (3) and the longitudinal pipe a (3-1), and the bottom ring pipe (1), the bottom through pipe (2), the longitudinal pipe (3), the longitudinal pipe a (3-1) and the ring pipe (5) or the spiral pipe (4) are tightly filled;
and 4, after the static crushing agent plays a role in cutting and crushing the pile head concrete, removing the crushed concrete and other waste materials on the pile top design of the cast-in-place pile (7), collecting small-particle-size concrete blocks to realize reutilization of the crushed pile head, and simultaneously performing the next process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295692.2A CN111321728A (en) | 2020-04-15 | 2020-04-15 | Post-implantation type pile head cutting and crushing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295692.2A CN111321728A (en) | 2020-04-15 | 2020-04-15 | Post-implantation type pile head cutting and crushing device and method |
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| Publication Number | Publication Date |
|---|---|
| CN111321728A true CN111321728A (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010295692.2A Pending CN111321728A (en) | 2020-04-15 | 2020-04-15 | Post-implantation type pile head cutting and crushing device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174953A (en) * | 2021-04-30 | 2021-07-27 | 珠海君豪岩土科技有限公司 | Pretreatment structure of super-grouting part of pile top of cast-in-place pile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59228523A (en) * | 1983-06-10 | 1984-12-21 | Tobishima Kensetsu Kk | Treatment work for pile head |
| GB2417278A (en) * | 2004-08-18 | 2006-02-22 | Mdn Developments Ltd | Method and apparatus for trimming concrete foundations |
| CN205537378U (en) * | 2016-02-01 | 2016-08-31 | 中国建筑第二工程局有限公司 | Pre -buried coupling of static blasting |
| CN211057773U (en) * | 2020-04-15 | 2020-07-21 | 机械工业勘察设计研究院有限公司 | Post-implantation type pile head cutting and crushing device |
-
2020
- 2020-04-15 CN CN202010295692.2A patent/CN111321728A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59228523A (en) * | 1983-06-10 | 1984-12-21 | Tobishima Kensetsu Kk | Treatment work for pile head |
| GB2417278A (en) * | 2004-08-18 | 2006-02-22 | Mdn Developments Ltd | Method and apparatus for trimming concrete foundations |
| CN205537378U (en) * | 2016-02-01 | 2016-08-31 | 中国建筑第二工程局有限公司 | Pre -buried coupling of static blasting |
| CN211057773U (en) * | 2020-04-15 | 2020-07-21 | 机械工业勘察设计研究院有限公司 | Post-implantation type pile head cutting and crushing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174953A (en) * | 2021-04-30 | 2021-07-27 | 珠海君豪岩土科技有限公司 | Pretreatment structure of super-grouting part of pile top of cast-in-place pile |
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