CN113585263A - Pile head breaking equipment and method - Google Patents
Pile head breaking equipment and method Download PDFInfo
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- CN113585263A CN113585263A CN202110853911.9A CN202110853911A CN113585263A CN 113585263 A CN113585263 A CN 113585263A CN 202110853911 A CN202110853911 A CN 202110853911A CN 113585263 A CN113585263 A CN 113585263A
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- pile head
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- 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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- General 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)
- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses pile head breaking equipment and a pile head breaking method, wherein the pile head breaking equipment comprises a hole drilling mechanism and a grouting mechanism; the hole drilling mechanism comprises a first hoop and a drilling machine; the grouting mechanism is used for injecting expansion grout into the expansion hole. Through setting up first hoop, and install the drilling machine on first hoop to the inflation hole that the drilling machine was cut and is formed all forms in the plane that first hoop encloses, when carrying out the static expansion, the coplanar synchronous atress can make the pile head fracture more easily. Meanwhile, the grouting mechanism is arranged and used for injecting expansion slurry into the expansion hole, and under the action of expansion force of the expansion slurry, the plane with the expansion hole is used as a boundary, and the upper pile head is broken due to upward thrust applied by the expansion slurry. Compared with the synchronous impact form of the impact mechanism in the prior art, the invention has the advantages that the expansion force of the expansion slurry is gradually developed, the process is milder, no obvious noise is formed, and no negative influence is caused on surrounding personnel and nearby residents.
Description
Technical Field
The invention relates to the technical field of pile foundation construction, in particular to pile head breaking equipment and a pile head breaking method.
Background
In order to ensure that the quality of the pile foundation meets the quality requirement, the elevation of the top of the cast-in-place pile is usually 0.8-1.0 m higher than the elevation of the designed pile top when the cast-in-place pile is poured. After the concrete is solidified and formed, the pile head higher than the designed pile top standard needs to be broken, and the work of chiseling the concrete of the pile head is called as the pile breaking head.
The method for breaking the pile head comprises manual breaking and mechanical breaking, the time required for manually breaking the pile head is long, and the manual breaking is gradually replaced by mechanical construction. The existing machinery for breaking the pile head adopts a mode that a plurality of impact devices surround the pile head and impact simultaneously to break the pile head, and then the broken pile head is lifted away by utilizing a hoisting device. Because the impact strength is high, the pile head can make a violent sound in the pile head breaking process, the hearing of constructors is seriously damaged, and the normal life of nearby residents is influenced.
Disclosure of Invention
The invention mainly aims to provide pile head breaking equipment and a pile head breaking method, and aims to solve the problem that the existing pile head breaking equipment and method are too loud in noise.
In order to achieve the purpose, the invention firstly provides pile head breaking equipment which comprises a hole drilling mechanism and a grouting mechanism;
the hole drilling mechanism comprises a first hoop and a drilling machine for drilling an expansion hole in the pile head, and the grouting mechanism is used for injecting expansion slurry into the expansion hole; the middle part of the first hoop is provided with a chute along the circumferential direction of the pile, and the first hoop is detachably sleeved on the outer wall of the pile head and is fixed with the pile head through a fastener; the drilling machine is mounted in the chute of the first hoop.
Preferably, the first hoop is formed by splicing a plurality of elastic arc-shaped sections, and two adjacent arc-shaped sections are connected by a buckle.
Preferably, a plurality of track plates are slidably mounted in the sliding grooves of the first hoop, and the track plates can be positioned in the sliding grooves by a locking device; the middle part of the track plate is provided with a mounting hole, and the drilling machine is detachably fixed in the mounting hole.
Preferably, the track plate matches with the radian of the sliding groove, and preferably, the arc-shaped track plate is made of elastic steel materials so as to be capable of being adapted to the track grooves with different radiuses.
Preferably, the grouting mechanism comprises a storage bin and a booster pump; the storage bin comprises a solid bin for storing an expanding agent and a liquid bin for storing clear water, the solid bin and the liquid bin are connected with the grouting head through the booster pump, and the solid bin and the liquid bin can simultaneously spray storage materials into the booster pump so that the expanding agent and the clear water are mixed to form the expanding slurry when entering the booster pump; the booster pump is used for injecting the expansion slurry into the expansion hole.
Preferably, a separation mechanism is included; the separating mechanism comprises a second hoop and a supporting leg; the second hoop is detachably fixed on the pile head; a plurality of support legs are distributed on the second hoop along the circumferential direction, the top ends of the support legs are fixedly connected with the second hoop, and the bottom ends of the support legs are supported on the construction ground; and the supporting legs are provided with jacking devices for adjusting the lengths of the supporting legs.
Preferably, the second hoop and the first hoop are identical in structure and formed by splicing a plurality of sections of arc sections with elasticity, and two adjacent sections of arc sections are connected by a buckle.
In order to achieve the above object, the present invention further provides a pile head removing method using any one of the above pile head removing apparatuses; the pile head breaking method comprises the following steps:
step S10, sleeving a first hoop provided with a drilling machine on the pile head;
step S20, cutting a plurality of expansion holes along the circumferential direction of the pile head through the drilling machine;
step S30, removing the hole drilling mechanism and installing the grouting mechanism;
and step S40, injecting expansion slurry into the expansion hole through a slurry injection mechanism.
Preferably, the step S40 includes:
step S41, filling an expanding agent in the solid cabin and filling clear water in the liquid cabin;
step S42, opening the discharge ports of the solid bin and the liquid bin simultaneously, spraying the expanding agent from the solid bin, spraying the clear water from the liquid bin, mixing the expanding agent and the clear water to form the expanding agent, and then flowing into the booster pump;
and step S43, starting the booster pump, and injecting the expansion slurry into the expansion hole.
Preferably, after the step S30, the method further includes:
step S50, removing the grouting mechanism;
step S60, under the expansion of the expansion slurry, the upper part of the pile head is broken, and a broken layer is formed on the plane of the expansion hole;
step S70, installing a separating mechanism, and sleeving a second hoop on the upper part of the fracture layer of the pile head;
step S80, extending the support legs through the jacking device, and jacking the second hoop fixed with the broken pile head upwards along the extending direction of the pile head so as to separate the broken pile head from the steel bars;
and step S90, taking over the separating mechanism by external hoisting equipment to lift off the broken pile head.
By adopting the structure and the method, the first hoop is arranged, the drilling machine is arranged on the first hoop, so that expansion holes formed by drilling by the drilling machine are limited to be formed in a plane defined by the first hoop, and when static expansion is carried out, the same plane is synchronously stressed, so that the pile head can be more easily broken. Meanwhile, the grouting mechanism is arranged and used for injecting expansion slurry into the expansion hole, and under the action of expansion force of the expansion slurry, the plane with the expansion hole is used as a boundary, and the upper pile head is broken due to upward thrust applied by the expansion slurry. Compared with the synchronous impact form of the impact mechanism in the prior art, the invention has the advantages that the expansion force of the expansion slurry is gradually developed, the process is milder, no obvious noise is formed, and no negative influence is caused on surrounding personnel and nearby residents.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of the installation of the pile head breaking apparatus of the present invention;
FIG. 2 is a schematic structural view of the pile head removing apparatus of the present invention;
FIG. 3 is a schematic view of the assembly of the drilling machine and the track plate of the pile head breaking apparatus of the present invention;
FIG. 4 is a schematic flow chart of the present invention.
The reference numbers illustrate: 1. a first hoop; 11. a track plate; 2. a drilling machine; 21. a body; 22. and (5) drilling a rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides pile head breaking equipment.
Referring to fig. 1, in an embodiment of the pile head removing apparatus, the apparatus includes a hole drilling mechanism and a grouting mechanism;
the hole drilling mechanism comprises a first hoop 1 and a drilling machine 2; the first hoop 1 is of a double-layer parallel circular ring structure, and the first hoop 1 can be detachably sleeved on the outer wall of the pile head and is fixed with the pile head through a fastener; the drilling machine 2 is installed on the first hoop 1, and the drilling machine 2 is used for drilling expansion holes in a pile head;
the grouting mechanism is used for injecting expansion grout into the expansion hole.
Specifically, the first hoop 1 is a double-layer parallel circular ring structure, the drilling machine 2 is installed between the gaps of the two circular rings, and the drilling machine 2 can perform circular movement along the first hoop 1 to adjust the position of the hole drilling. Because the drilling machine 2 is positioned between the gaps of the two annular rings, the top end and the bottom end of the drilling machine 2 can be respectively connected with the two annular rings, so that the drilling machine is more stable. Furthermore, the drilling machine 2 is connected to the annular ring in an articulated manner, and the drilling machine 2 can be rotated in the transverse direction to adjust the drilling angle. The drilling machine 2 comprises a body 21 and a drill rod 22, wherein the drill rod 22 transversely penetrates through the body 21 and is driven by the body 21 to drill into the interior of a pile head; the drill rod 22 is a hollow rod-shaped object, one end of the drill rod 22, which is far away from the pile head, is connected with a high-pressure air pump, and the high-pressure air pump fills high-pressure air into the expansion hole in the drilling process. During the drilling process, the drill bit rotates to crush the concrete, broken concrete blocks are accumulated in the drill hole and cannot be removed, and the drill bit can be blocked. Therefore, by arranging the high-pressure air pump, high-pressure air is continuously filled into the drill hole in the drilling process, and the internal concrete broken slag is timely discharged.
Furthermore, a plurality of drilling machines 2 can be simultaneously installed on the first hoop 1, so that simultaneous excavation is realized, and the construction progress is accelerated.
By arranging the first hoop 1 and installing the drilling machine 2 on the first hoop 1, expansion holes formed by drilling by the drilling machine 2 are limited to be formed in a plane enclosed by the first hoop 1, and when static expansion is carried out, the same plane is synchronously stressed, so that a pile head can be easily broken. Meanwhile, the grouting mechanism is arranged and used for injecting expansion slurry into the expansion hole, and under the action of expansion force of the expansion slurry, the plane with the expansion hole is used as a boundary, and the upper pile head is broken due to upward thrust applied by the expansion slurry. Compared with the synchronous impact form of the impact mechanism in the prior art, the invention has the advantages that the expansion force of the expansion slurry is gradually developed, the process is milder, no obvious noise is formed, and no negative influence is caused on surrounding personnel and nearby residents.
Preferably, the first hoop 1 is formed by splicing a plurality of elastic arc-shaped sections, and two adjacent arc-shaped sections are connected by a buckle.
In order to adapt to pile heads with different pile diameters, the first hoop 1 is formed by splicing a plurality of elastic arc-shaped sections, when the pile diameter is larger, an annular ring with a corresponding diameter can be formed by increasing the number of the arc-shaped sections, and vice versa. Furthermore, in order to adjust the diameter of the first hoop 1 in a small range, adjacent satin arc-shaped sections are connected by a buckle, and an adjusting mechanism is arranged between the buckles to enable the moderate expansion and contraction.
Preferably, the first hoop 1 is formed with an annular track groove, and a plurality of arc-shaped track plates 11 are slidably mounted in the track groove; the middle part of the track plate 11 is provided with a mounting hole, and the drilling machine 2 is detachably fixed in the mounting hole.
By providing the track plate 11, a connection base is provided for the drilling machine 2 and the first hoop 1. The track plate 11 can slide in the track groove, and then the drilling machine 2 is driven to move along the annular direction of the first hoop 1, so that the hole drilling position can be changed.
Preferably, the curved track plate 11 is made of an elastic steel material to be able to adapt to the track grooves of different radii.
Because first hoop 1 is formed by the concatenation of a plurality of sections elasticity arc sections, when the pile head of different stake footpaths of adaptation, the diameter of first hoop 1 is followed the change, and is corresponding, the radian in track groove also can corresponding change. In order to enable the rail plate 11 to be always fitted to the rail groove, it is made of an elastic steel material so as to be able to follow the change of the rail groove.
Preferably, the grouting mechanism comprises a storage bin and a booster pump; the storage bin is divided into a solid bin for storing an expanding agent and a liquid bin for storing clear water, and the solid bin and the liquid bin can simultaneously spray storage objects into the booster pump so that the expanding agent and the clear water are mixed to form the expanding slurry when entering the booster pump; the booster pump is used for injecting the expansion slurry into the expansion hole.
Specifically, the solid-state bin and the liquid-state bin are both closed bins, and the solid-state bin and the liquid-state bin are both internally provided with a supercharging device.
The expanding agent is dry powder which generates chemical reaction to generate expansion when meeting water. In order to avoid the moisture failure, the solid cabin is arranged to be a closed cabin, so that the expanding agent can be stored for a longer time stably. Meanwhile, in order to fully mix the expanding agent and the clean water, the two closed bins are respectively provided with a supercharging device, before the discharge port is opened, the supercharging devices supercharge the closed bins, and when the discharge port is opened, the expanding agent and the clean water are sprayed, collided and mixed at a high speed to form expanded slurry as the pressure in the bins is greater than that outside the bins.
Preferably, the pile head breaking apparatus further comprises a separating mechanism;
the separating mechanism comprises a second hoop and a supporting leg;
the second hoop is detachably fixed on the upper part of the pile head fracture layer;
the top ends of the support legs are connected with the second hoop, and the bottom ends of the support legs are supported on the construction ground; and the middle part or the bottom end of the support leg is provided with a jacking device for adjusting the length of the support leg.
In the prior art, the upper pile head is usually pulled directly away from the rebar by means of external hoisting equipment such as cranes, excavators, etc. However, the upper pile head is tightly connected with the steel bars, so that the steel bars are easily damaged in the forced pulling process, and the external hoisting equipment is possibly unstable to cause overturning. In the invention, by arranging the separating mechanism, the upper pile head is separated from the steel bar by using the jacking device, and then the external hoisting equipment is used for hoisting away, so that the external hoisting equipment only needs to bear the gravity of the upper pile head, the workload is greatly reduced, and the construction risk is reduced.
Preferably, the second hoop is formed by splicing a plurality of elastic arc-shaped sections, and two adjacent arc-shaped sections are connected by a buckle.
In order to be suitable for pile heads with different pile diameters, the second hoop is formed by splicing a plurality of elastic arc-shaped sections, when the pile diameter is larger, an annular ring with the corresponding diameter can be formed by increasing the number of the arc-shaped sections, and vice versa. Moreover, in order to adjust the diameter of the second hoop in a small range, the adjacent satin arc-shaped sections are connected by buckles, and an adjusting mechanism is arranged between the buckles and can be properly stretched.
The invention also discloses a pile head breaking method, please refer to fig. 1, in one embodiment of the method, the pile head breaking device is applied; the pile head breaking method comprises the following steps:
step S10, sleeving the first hoop 1 provided with the drilling machine 2 on the pile head;
step S20, a plurality of expansion holes are drilled along the pile head ring direction through the drilling machine 2;
step S30, removing the hole drilling mechanism and installing the grouting mechanism;
and step S40, injecting expansion slurry into the expansion hole through a slurry injection mechanism.
By injecting the expansion grout into the expansion hole, the expansion grout gradually expands, and the upper pile head can be broken after being subjected to upward thrust. The expansion force in the process is gradually developed, the process is milder, no obvious noise is formed, and no negative influence is caused to surrounding personnel and nearby residents.
Preferably, the step S40 includes:
step S41, filling an expanding agent in the solid cabin and filling clear water in the liquid cabin;
step S42, opening the discharge ports of the solid bin and the liquid bin simultaneously, spraying the expanding agent from the solid bin, spraying the clear water from the liquid bin, mixing the expanding agent and the clear water to form the expanding agent, and then flowing into the booster pump;
and step S43, starting the booster pump, and injecting the expansion slurry into the expansion hole.
Preferably, after the step S30, the method further includes:
step S50, removing the grouting mechanism;
step S60, under the expansion of the expansion slurry, the upper part of the pile head is broken, and a broken layer is formed on the plane of the expansion hole;
step S70, installing a separating mechanism, and sleeving a second hoop on the upper part of the fracture layer of the pile head;
step S80, extending the support legs through the jacking device, and jacking the second hoop fixed with the broken pile head upwards along the extending direction of the pile head so as to separate the broken pile head from the steel bars;
and step S90, taking over the separating mechanism by external hoisting equipment to lift off the broken pile head.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The pile head breaking equipment is characterized by comprising a hole drilling mechanism and a grouting mechanism;
the hole drilling mechanism comprises a first hoop and a drilling machine for drilling an expansion hole in the pile head, and the grouting mechanism is used for injecting expansion slurry into the expansion hole; the middle part of the first hoop is provided with a chute along the circumferential direction of the pile, and the first hoop is detachably sleeved on the outer wall of the pile head and is fixed with the pile head through a fastener; the drilling machine is mounted in the chute of the first hoop.
2. The pile head demolition apparatus according to claim 1 wherein the first hoop is formed by splicing a plurality of elastic segments, with two adjacent segments connected by a snap fit.
3. The pile head breaking apparatus of claim 1, wherein a plurality of track plates are slidably mounted in the slide grooves of the first hoop, and the track plates are positionable in the slide grooves by a locking device; the middle part of the track plate is provided with a mounting hole, and the drilling machine is detachably fixed in the mounting hole.
4. The pile head breaking apparatus of claim 3, wherein the track plate matches the curvature of the chute.
5. The pile head demolition apparatus of claim 1 wherein said grouting mechanism comprises a storage bin and a booster pump; the storage bin comprises a solid bin for storing an expanding agent and a liquid bin for storing clear water, and the solid bin and the liquid bin are connected with the grouting head through the booster pump.
6. The pile head breaking apparatus of claim 1, comprising a separation mechanism; the separating mechanism comprises a second hoop and a supporting leg; the second hoop is detachably fixed on the pile head; a plurality of support legs are distributed on the second hoop along the circumferential direction, the top ends of the support legs are fixedly connected with the second hoop, and the bottom ends of the support legs are supported on the construction ground; and the supporting legs are provided with jacking devices for adjusting the lengths of the supporting legs.
7. The pile head demolition apparatus according to claim 6 wherein the second hoop is identical in structure to the first hoop and is formed by splicing a plurality of elastic arc segments, and two adjacent arc segments are connected by a snap.
8. A pile head removing method using the pile head removing apparatus according to any one of claims 1 to 7; the method is characterized by comprising the following steps:
step S10, sleeving a first hoop provided with a drilling machine on the pile head;
step S20, cutting a plurality of expansion holes along the circumferential direction of the pile head through the drilling machine;
step S30, removing the hole drilling mechanism and installing the grouting mechanism;
and step S40, injecting expansion slurry into the expansion hole through a slurry injection mechanism.
9. The pile head removing method according to claim 8, wherein the step S40 includes:
step S41, filling an expanding agent in the solid cabin and filling clear water in the liquid cabin;
step S42, opening the discharge ports of the solid bin and the liquid bin simultaneously, spraying the expanding agent from the solid bin, spraying the clear water from the liquid bin, mixing the expanding agent and the clear water to form the expanding agent, and then flowing into the booster pump;
and step S43, starting the booster pump, and injecting the expansion slurry into the expansion hole.
10. The pile head removing method according to claim 8, further comprising, after the step S40:
step S50, removing the grouting mechanism;
step S60, under the expansion of the expansion slurry, the upper part of the pile head is broken, and a broken layer is formed on the plane of the expansion hole;
step S70, installing a separating mechanism, and sleeving a second hoop on the upper part of the fracture layer of the pile head;
step S80, extending the support legs through the jacking device, and jacking the second hoop fixed with the broken pile head upwards along the extending direction of the pile head so as to separate the broken pile head from the steel bars;
and step S90, taking over the separating mechanism by external hoisting equipment to lift off the broken pile head.
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| CN202110853911.9A CN113585263B (en) | 2021-07-28 | 2021-07-28 | Pile head breaking equipment and pile head breaking method |
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| CN202110853911.9A CN113585263B (en) | 2021-07-28 | 2021-07-28 | Pile head breaking equipment and pile head breaking method |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004070121A1 (en) * | 2003-02-07 | 2004-08-19 | Cementation Foundations Skanska Limited | Techniques for pile breaking |
| US20070215383A1 (en) * | 2004-04-14 | 2007-09-20 | Laing O'rourke Plc | Hydraulic Pile Cap Removal |
| KR101683848B1 (en) * | 2015-12-30 | 2016-12-09 | 주식회사 동산이엔지 | Drilling machine for upper end in strong phc pile toward and construction method using that |
| CN107165166A (en) * | 2017-07-11 | 2017-09-15 | 中国水利水电第五工程局有限公司 | A kind of intelligent restructuring bankrupt of pile crown and device |
| CN206815342U (en) * | 2017-06-15 | 2017-12-29 | 河南省第一公路工程有限公司 | A kind of road and bridge pile foundation pile crown abolishes device |
| KR20180070053A (en) * | 2016-12-16 | 2018-06-26 | 한성정밀공업(주) | Ground reinforcement method using a micropile incliding multi-expansion anchor |
| CN108999410A (en) * | 2018-08-15 | 2018-12-14 | 武汉中智德远科技开发有限公司 | A kind of ring-type guiding movement formula tamping equipment |
| CN209194526U (en) * | 2018-09-18 | 2019-08-02 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of cutting device using giant truncation mixed mud prefabricated pile |
| JP2019167690A (en) * | 2018-03-22 | 2019-10-03 | 五洋建設株式会社 | Pile head processing method |
| CN111005378A (en) * | 2019-11-30 | 2020-04-14 | 浙江交工国际工程有限公司 | Construction method for breaking pile head of cast-in-situ bored pile through static spalling |
| CN111236230A (en) * | 2020-01-17 | 2020-06-05 | 徐胜祥 | Construction method of pre-arranged type fracture concrete pile head |
| CN113089671A (en) * | 2021-04-25 | 2021-07-09 | 河南省公路工程局集团有限公司 | Pile head integral breaking system for large-diameter bored pile and construction method |
-
2021
- 2021-07-28 CN CN202110853911.9A patent/CN113585263B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004070121A1 (en) * | 2003-02-07 | 2004-08-19 | Cementation Foundations Skanska Limited | Techniques for pile breaking |
| US20070215383A1 (en) * | 2004-04-14 | 2007-09-20 | Laing O'rourke Plc | Hydraulic Pile Cap Removal |
| KR101683848B1 (en) * | 2015-12-30 | 2016-12-09 | 주식회사 동산이엔지 | Drilling machine for upper end in strong phc pile toward and construction method using that |
| KR20180070053A (en) * | 2016-12-16 | 2018-06-26 | 한성정밀공업(주) | Ground reinforcement method using a micropile incliding multi-expansion anchor |
| CN206815342U (en) * | 2017-06-15 | 2017-12-29 | 河南省第一公路工程有限公司 | A kind of road and bridge pile foundation pile crown abolishes device |
| CN107165166A (en) * | 2017-07-11 | 2017-09-15 | 中国水利水电第五工程局有限公司 | A kind of intelligent restructuring bankrupt of pile crown and device |
| JP2019167690A (en) * | 2018-03-22 | 2019-10-03 | 五洋建設株式会社 | Pile head processing method |
| CN108999410A (en) * | 2018-08-15 | 2018-12-14 | 武汉中智德远科技开发有限公司 | A kind of ring-type guiding movement formula tamping equipment |
| CN209194526U (en) * | 2018-09-18 | 2019-08-02 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of cutting device using giant truncation mixed mud prefabricated pile |
| CN111005378A (en) * | 2019-11-30 | 2020-04-14 | 浙江交工国际工程有限公司 | Construction method for breaking pile head of cast-in-situ bored pile through static spalling |
| CN111236230A (en) * | 2020-01-17 | 2020-06-05 | 徐胜祥 | Construction method of pre-arranged type fracture concrete pile head |
| CN113089671A (en) * | 2021-04-25 | 2021-07-09 | 河南省公路工程局集团有限公司 | Pile head integral breaking system for large-diameter bored pile and construction method |
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