CN115324130A - Existing pile damage combined reinforcement treatment device and use method thereof - Google Patents
Existing pile damage combined reinforcement treatment device and use method thereof Download PDFInfo
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- CN115324130A CN115324130A CN202211022273.7A CN202211022273A CN115324130A CN 115324130 A CN115324130 A CN 115324130A CN 202211022273 A CN202211022273 A CN 202211022273A CN 115324130 A CN115324130 A CN 115324130A
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- pile foundation
- steel pipe
- existing pile
- receiving probe
- mud jacking
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D37/00—Repair of damaged foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
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- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Revetment (AREA)
Abstract
The invention relates to the technical field of existing pile foundation reinforcement, in particular to an existing pile damage combined reinforcement processing device and a using method thereof; including the existing pile foundation, the receiving probe wire, the receiving probe, the exciter, the detector, the steel pipe bottom plate, bottom mud jacking head and lateral part mud jacking head, the steel pipe sets up in the inside of exploring hole, the steel pipe bottom plate is connected with the bottom of steel pipe, be provided with bottom mud jacking head and lateral part mud jacking head on the steel pipe respectively, the exciter is used for propagating the elastic wave along the pile body of existing pile foundation, the receiving probe is used for receiving the elastic wave, bottom mud jacking head and lateral part mud jacking head pour into the grout, form the enhancement region in pile foundation damaged position, treat that the grout solidifies the back, obtain the miniature stake of exploring hole, realize being convenient for to restore the pile foundation through above-mentioned structure and consolidate, avoid the continuous accumulation of structural damage on pile foundation, finally bring serious potential safety hazard for superstructure's use.
Description
Technical Field
The invention relates to the technical field of existing pile foundation reinforcement, in particular to an existing pile damage combined reinforcement processing device and a using method thereof.
Background
The pile foundation is a foundation form which is widely applied, has the characteristics of high bearing capacity, good stability and small and uniform settlement, is a foundation form which is commonly adopted for building various buildings in regions with poor soil quality, and is widely applied to projects such as high-rise buildings, bridges, ports, offshore structures and the like.
However, most of the pile foundations belong to concealed engineering, so that defects of a pile body due to a construction process or damage caused by working load are difficult to find, the pile foundations are difficult to repair and reinforce, and if the defects or the damage cannot be found and treated in time, structural damage of the pile foundations can be accumulated continuously along with the service time, and finally serious potential safety hazards are brought to the use of an upper structure.
Disclosure of Invention
The invention aims to provide a combined reinforcement treatment device for existing pile damage and a use method thereof, and aims to solve the technical problems that in the prior art, the pile foundation is difficult to repair and reinforce, and if the pile foundation cannot be found and treated in time, the structural damage of the pile foundation can be accumulated along with the use time, and finally serious potential safety hazards are brought to the use of an upper structure.
In order to achieve the purpose, the invention adopts a combined reinforcement processing device for the damage of an existing pile, which comprises an existing pile foundation, a receiving probe lead, a receiving probe, an exciter, a detector, a steel pipe bottom plate, a bottom grouting head and a lateral grouting head, wherein probing holes are formed in two sides of the existing pile foundation, the exciter is arranged at the top of the existing pile foundation and is electrically connected with the detector, one end of the receiving probe lead is connected with the detector, the receiving probe is connected with the other end of the receiving probe lead, the steel pipe is arranged in the probing holes, the steel pipe bottom plate is connected with the bottom end of the steel pipe, and the bottom grouting head and the lateral grouting head are respectively arranged on the steel pipe;
the existing pile foundation is used for supporting an upper structure;
the exciter is used for transmitting elastic waves along the pile body of the existing pile foundation;
the receiving probe is used for receiving elastic waves and obtaining data of pile foundation damage positions of the existing pile foundation;
the receiving probe wire is used for connecting the receiving probe and the detector;
the detector is used for controlling elastic waves and receiving the data of the pile foundation damage position of the existing pile foundation, which is obtained by the receiving probe;
grouting is injected into the bottom grouting head and the side grouting heads, and a reinforcing area is formed at the damaged position of the pile foundation;
the steel pipe is used for limiting the cement paste forming edge, and after the cement paste is solidified, the hole exploring micropile is obtained.
Wherein, existing stake damage joint reinforcement processing apparatus still includes mud jacking pipe, grouting pump and side end plate, bottom mud jacking head with lateral part mud jacking head respectively with the mud jacking union coupling, the mud jacking pipe with the output of grouting pump is linked together, be provided with on the mud jacking pipe the side end plate.
The existing pile damage joint reinforcement processing device further comprises bolts and two connecting frames, the number of the connecting frames is two, the connecting frames are matched with the exploring hole miniature piles, and the bolts sequentially penetrate through the two connecting frames.
Wherein, the outer side wall of the steel pipe is subjected to roughening treatment, and the outer diameter of the steel pipe is smaller than the inner diameter of the exploration hole.
The invention also provides a use method of the existing pile damage combined reinforcement treatment device, which comprises the following steps:
drilling the exploratory holes on two sides of the existing pile foundation;
installing the exciter on the top of the existing pile foundation, and placing the receiving probe at the hole opening of the probe hole;
starting the exciter, slowly lowering the receiving probe, observing and recording the pile foundation damage position of the pile foundation through the detector until the receiving probe contacts the bottom of the probe hole;
retracting the receiving probe and the exciter;
the grouting pipe is respectively connected with the bottom grouting head and the side grouting head and is fixed inside the steel pipe;
placing the steel pipe under the manhole, and paying attention to ensure that the side grouting head touches the wall after the steel pipe is placed;
cement paste is filled between the exploratory hole and the steel pipe;
after the cement paste is initially set, starting the bottom grouting head and the side grouting heads to start grouting of the pile sides and the pile bottoms, and forming a reinforcement area of the hole probing micro pile and the existing pile foundation damage position;
and connecting the hole exploring micropile with the existing pile foundation by using the connecting frame, and fixing by using the bolt to finish construction.
According to the device and the method for combined reinforcement processing of existing pile damage, an upper structure is supported by an existing pile foundation, elastic waves are propagated along a pile body of the existing pile foundation by an exciter, the receiving probe receives the elastic waves and obtains data of a pile foundation damage position of the existing pile foundation, a receiving probe conducting wire is connected with the receiving probe and a detector, the detector controls the elastic waves and receives the data of the pile foundation damage position of the existing pile foundation obtained by the receiving probe, cement paste is injected into the bottom grouting head and the side grouting heads and forms a reinforcement area at the pile foundation damage position, a steel pipe limits a cement paste forming edge, after the cement paste is solidified, a hole detecting micro pile foundation is obtained, the hole detecting conditions at two different sides of the existing pile foundation can be effectively detected by arranging the hole detecting heads at two sides of the existing pile foundation, lateral additional support is realized after the hole detecting micro pile formed by construction is connected with the existing pile foundation, a bearing community is formed, the bearing capacity is improved, the foundation is conveniently repaired, the structural damage of the existing pile foundation is avoided, and the potential safety hazard that the pile foundation is seriously used is finally accumulated.
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 embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic operation diagram of the detection process of the existing pile damage joint reinforcement processing device of the invention.
Fig. 2 is a schematic view of the operation of the present invention for injecting cement slurry in combination with the existing pile damage reinforcement treatment device.
Fig. 3 isbase:Sub>A cross-sectional view of thebase:Sub>A-base:Sub>A line structure of fig. 2 of the present invention.
Fig. 4 is an enlarged view of a portion of the structure at i in fig. 2 according to the present invention.
Fig. 5 is an enlarged view of a portion of fig. 2 according to the present invention at ii.
Fig. 6 is a flow chart illustrating the steps of a method of using the existing pile damage joint reinforcement treatment apparatus of the present invention.
1-existing pile foundation, 2-upper structure, 3-pile foundation damage position, 4-receiving probe wire, 5-receiving probe, 6-probing hole, 7-exciter, 8-detector, 9-steel pipe, 10-grouting pipe, 11-grouting pump, 12-reinforcing area, 13-top, 14-retaining ring, 15-bottom grouting hole, 16-bottom elastic membrane, 17-steel pipe bottom plate, 18-bottom grouting head, 19-side grouting head, 20-side end plate, 21-side grouting hole, 22-side elastic membrane, 23-bolt, 24-connecting frame and 25-probing hole micro pile.
Detailed Description
Referring to fig. 1 to 5, fig. 1 isbase:Sub>A schematic diagram illustrating an operation ofbase:Sub>A detection process of an existing pile damage joint reinforcement processing device, fig. 2 isbase:Sub>A schematic diagram illustrating an operation of injecting cement slurry into the existing pile damage joint reinforcement processing device, fig. 3 isbase:Sub>A sectional view ofbase:Sub>A linebase:Sub>A-base:Sub>A of fig. 2, fig. 4 is an enlarged view ofbase:Sub>A partial structure atbase:Sub>A position i of fig. 2, and fig. 5 is an enlarged view ofbase:Sub>A partial structure atbase:Sub>A position ii of fig. 2. The invention provides an existing pile damage combined reinforcement processing device which comprises an existing pile foundation 1, a receiving probe lead 4, a receiving probe 5, an exciter 7, a detector 8, a steel pipe 9, a steel pipe bottom plate 17, a bottom grouting head 18 and a side grouting head 19, wherein probe holes 6 are formed in two sides of the existing pile foundation 1, the exciter 7 is arranged at the top of the existing pile foundation 1, the exciter 7 is electrically connected with the detector 8, one end of the receiving probe lead 4 is connected with the detector 8, the receiving probe 5 is connected with the other end of the receiving probe lead 4, the steel pipe 9 is arranged in the probe holes 6, the steel pipe bottom plate 17 is connected with the bottom end of the steel pipe 9, and the bottom grouting head 18 and the side grouting head 19 are respectively arranged on the steel pipe 9;
the existing pile foundation 1 is used for supporting the superstructure 2;
the exciter 7 is used for propagating elastic waves along the pile body of the existing pile foundation 1;
the receiving probe 5 is used for receiving elastic waves and obtaining data of the pile foundation damage position 3 of the existing pile foundation 1;
the receiving probe lead 4 is used for connecting the receiving probe 5 and the detector 8;
the detector 8 is used for controlling elastic waves and receiving the data of the pile foundation damage position 3 of the existing pile foundation 1, which is obtained by the receiving probe 5;
the bottom grouting head 18 and the side grouting head 19 are injected with cement paste, and a reinforcing area 12 is formed at the pile foundation damage position 3;
the steel pipe 9 is used for limiting the cement paste forming edge, and after the cement paste is solidified, the hole detecting micro pile 25 is obtained.
In this embodiment, existing pile foundation 1 supports superstructure 2, exciter 7 is followed existing pile foundation 1's pile body propagates elastic wave, receiving probe 5 receives elastic wave, and obtains existing pile foundation 1's pile foundation damaged position 3's data, receiving probe wire 4 connects receiving probe 5 with detector 8, detector 8 is controlled elastic wave, and the receiving probe 5 obtains existing pile foundation damaged position 3's data of pile foundation 1, bottom mud jacking head 18 with lateral part mud jacking head 19 pours into grout into to form at pile foundation damaged position 3 and strengthen region 12, steel pipe 9 limits grout shaping edge, treats that grout solidifies the back, obtains the miniature stake 25 of exploration hole, through existing pile foundation 1's both sides set up exploration hole 6 can effectual detection existing pile foundation 1 is the damaged condition of different both sides to the miniature stake 25 of exploration hole that the construction formed with existing pile foundation 1 connects the back and realizes the side direction additional bearing, forms the common bearing body, improves existing pile foundation 1's bearing capacity, has realized constantly and has repaired the foundation, carries out the final accumulated the superstructure that consolidates the pile foundation, avoids the final potential safety hazard for pile foundation 2.
Further, existing stake damage joint reinforcement processing apparatus still includes mud jacking pipe 10, mud jacking pump 11 and side end plate 20, bottom mud jacking head 18 with lateral part mud jacking head 19 respectively with mud jacking pipe 10 connects, mud jacking pipe 10 with the output of mud jacking pump 11 is linked together, be provided with on the mud jacking pipe 10 side end plate 20.
In the present embodiment, the grout is transported from the grout pipe 10 to the bottom and side grouting heads 18 and 19 by the grouting pump 11.
Further, the existing pile damage joint reinforcement processing device further comprises two bolts 23 and two connecting frames 24, the connecting frames 24 are matched with the hole detecting miniature piles 25, and the bolts 23 sequentially penetrate through the two connecting frames 24.
In the present embodiment, the hole drilling micro pile 25 and the existing pile foundation 1 are connected by the connecting frame 24, and fixed by the bolt 23, and the construction is completed.
Further, the outer side wall of the steel pipe 9 is roughened, and the outer diameter of the steel pipe 9 is smaller than the inner diameter of the probe hole 6.
In this embodiment, the outer side wall of the steel pipe 9 is roughened to reduce the friction on the outer side wall of the steel pipe 9, and the outer diameter of the steel pipe 9 is smaller than the inner diameter of the probe hole 6, so that the steel pipe 9 can be placed in the probe hole 6.
Further, existing stake damage joint reinforcement processing apparatus still includes top 13, retaining ring 14, bottom elastic membrane 16, side mud jacking hole 21 and side elastic membrane 22, the cover is equipped with on the lateral part mud jacking head 19 side elastic membrane 22, the cover is equipped with on the bottom mud jacking head 18 bottom elastic membrane 16, top 13 with bottom mud jacking head 18 fixed connection, retaining ring 14 with top 13 fixed connection.
In this embodiment, grout by grouting pump 11 certainly grout pipe 10 is carried to bottom grouting head 18 with lateral part grouting head 19, side elastic membrane 22 bottom elastic membrane 16 can expand and play thick liquid under the grout pressure effect, the cover has on the lateral part grouting head 19 side elastic membrane 22 plays and prevents that grout from blockking up the effect of side grout pressing hole 21 on the lateral part grouting head 19, the cover is equipped with on the bottom grouting head 18 bottom elastic membrane 16 plays and prevents grout from blockking up the effect in bottom grout pressing hole 15 on the bottom grouting head 18, bottom grouting head 18 is provided with top 13, be provided with on top 13 retaining ring 14, in order to protect on the bottom grouting head 18 bottom elastic membrane 16 avoids bottom elastic membrane 16 is transferring the in-process and is destroyed by the soil body.
Referring to fig. 6, fig. 6 is a flow chart illustrating steps of a method for using an existing pile damage joint reinforcement treatment device. The invention also provides a use method of the existing pile damage combined reinforcement treatment device, which comprises the following steps:
s1: drilling the exploratory holes 6 on two sides of the existing pile foundation 1;
s2: the exciter 7 is installed at the top of the existing pile foundation 1, and the receiving probe 5 is placed at the orifice of the probe hole 6;
s3: starting the exciter 7, slowly lowering the receiving probe 5, observing and recording the pile foundation damage position 3 of the pile foundation through the detector 8 until the receiving probe 5 contacts the bottom of the probe hole 6;
s4: retracting the receiving probe 5 and the exciter 7;
s5: the grouting pipe 10 is respectively connected with the bottom grouting head 18 and the side grouting head 19 and is fixed inside the steel pipe 9;
s6: placing the steel pipe 9 in the manhole 6, and paying attention to ensure that the side grouting head 19 contacts the wall after the steel pipe is placed;
s7: cement paste is filled between the probe hole 6 and the steel pipe 9;
s8: after the cement paste is initially set, starting the bottom grouting head 18 and the side grouting head 19 to start grouting on the pile side and the pile bottom, and forming the hole probing micro pile 25 and the reinforcing area 12 at the damaged position of the existing pile foundation 1;
s9: and (3) connecting the hole detecting micro pile 25 with the existing pile foundation 1 by using the connecting frame 24, and fixing by using the bolt 23, thus finishing construction.
The construction method comprises the steps of firstly drilling the two sides of the existing pile foundation 1 to form the probe hole 6, then installing the top of the existing pile foundation 1 to form the exciter 7, grouting the receiving probe 5 to be placed at the hole opening of the probe hole 6, starting the exciter 7, slowly lowering the receiving probe 5, observing and recording the pile foundation damage position 3 of the pile foundation through the detector 8 until the receiving probe 5 contacts the bottom of the probe hole 6, withdrawing the receiving probe 5 and the exciter 7, respectively connecting the grouting pipe 10 with the bottom grouting head 18 and the lateral grouting head 19, fixing the grouting pipe inside the steel pipe 9, then lowering the steel pipe 9 into the probe hole 6, paying attention to ensure that the lateral grouting head 19 contacts the wall after placing the grouting pipe, filling cement slurry between the probe hole 6 and the steel pipe 9, starting the bottom grouting head and the lateral grouting head to start grouting of the side and the bottom of the lateral grouting pipe after the cement slurry is initially set, forming the micro pile 25 and the reinforcing pile foundation position 12, connecting the micro pile foundation 1 with the reinforcing pile foundation, and using the reinforcing bolt 24, and fixing the micro pile foundation 1, and using the micro pile foundation, and using the reinforcing bolt, and fixing the micro pile foundation.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A joint reinforcing treatment device for existing pile damage is characterized in that,
the pile foundation detection device comprises an existing pile foundation, a receiving probe wire, a receiving probe, an exciter, a detector, a steel pipe bottom plate, a bottom grouting head and a side grouting head, wherein probing holes are formed in two sides of the existing pile foundation, the exciter is arranged at the top of the existing pile foundation and electrically connected with the detector, one end of the receiving probe wire is connected with the detector, the receiving probe is connected with the other end of the receiving probe wire, the steel pipe is arranged in the probing holes, the steel pipe bottom plate is connected with the bottom end of the steel pipe, and the bottom grouting head and the side grouting head are respectively arranged on the steel pipe;
the existing pile foundation is used for supporting an upper structure;
the exciter is used for transmitting elastic waves along the pile body of the existing pile foundation;
the receiving probe is used for receiving elastic waves and obtaining data of pile foundation damage positions of the existing pile foundation;
the receiving probe lead is used for connecting the receiving probe and the detector;
the detector is used for controlling elastic waves and receiving the data of the pile foundation damage position of the existing pile foundation, which is obtained by the receiving probe;
grouting is injected into the bottom grouting head and the side grouting heads, and a reinforcing area is formed at the damaged position of the pile foundation;
the steel pipe is used for limiting the cement paste forming edge, and after the cement paste is solidified, the hole exploring miniature pile is obtained.
2. The apparatus for joint reinforcement of existing pile damage according to claim 1,
existing pile damage joint reinforcement processing apparatus still includes mud jacking pipe, mud jacking pump and side end plate, bottom mud jacking head with lateral part mud jacking head respectively with the mud jacking union coupling, the mud jacking pipe with the output of mud jacking pump is linked together, be provided with on the mud jacking pipe the side end plate.
3. The apparatus for joint reinforcement treatment of existing pile damage according to claim 2,
the existing pile damage joint reinforcement processing device further comprises two bolts and two connecting frames, the connecting frames are matched with the exploring hole miniature piles, and the bolts penetrate through the connecting frames in sequence.
4. The apparatus for joint reinforcement treatment of existing pile damage according to claim 1,
the outer side wall of the steel pipe is subjected to roughening treatment, and the outer diameter of the steel pipe is smaller than the inner diameter of the exploring hole.
5. A method for using an existing pile damage joint reinforcement treatment device according to claim 3, comprising the steps of:
drilling the exploratory holes on two sides of the existing pile foundation;
installing the exciter on the top of the existing pile foundation, and placing the receiving probe at the hole opening of the probe hole;
starting the exciter, slowly lowering the receiving probe, and observing and recording the pile foundation damage position of the pile foundation through the detector until the receiving probe contacts the bottom of the probe hole;
retracting the receiving probe and the exciter;
the grouting pipe is respectively connected with the bottom grouting head and the side grouting head and is fixed inside the steel pipe;
placing the steel pipe under the manhole, and paying attention to ensure that the side grouting head touches the wall after the steel pipe is placed;
cement paste is filled between the exploratory hole and the steel pipe;
after the cement paste is initially set, starting the bottom grouting head and the side grouting heads to start grouting of the pile sides and the pile bottoms, and forming reinforced areas of the hole detecting miniature pile and the existing pile foundation damage position;
and connecting the hole exploring micropile with the existing pile foundation by using the connecting frame, and fixing by using the bolt to finish construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211022273.7A CN115324130A (en) | 2022-08-25 | 2022-08-25 | Existing pile damage combined reinforcement treatment device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211022273.7A CN115324130A (en) | 2022-08-25 | 2022-08-25 | Existing pile damage combined reinforcement treatment device and use method thereof |
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| CN115324130A true CN115324130A (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211022273.7A Pending CN115324130A (en) | 2022-08-25 | 2022-08-25 | Existing pile damage combined reinforcement treatment device and use method thereof |
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|---|---|---|---|---|
| CN104594395A (en) * | 2015-01-15 | 2015-05-06 | 中铁第四勘察设计院集团有限公司 | Operation railroad bed side drilling pile foundation detection structure and detection method |
| CN110438998A (en) * | 2019-09-03 | 2019-11-12 | 机械工业勘察设计研究院有限公司 | A kind of outer bored grouting raising has become the structure and method of pile bearing capacity |
| CN111926807A (en) * | 2020-08-13 | 2020-11-13 | 上海宝冶集团有限公司 | Method and system for repairing defective cast-in-place pile |
| CN112593584A (en) * | 2020-12-14 | 2021-04-02 | 赤东建设集团有限公司 | Existing building foundation pile extension reinforcing structure and construction method thereof |
| CN113463643A (en) * | 2021-07-09 | 2021-10-01 | 南京东土建设科技有限公司 | Bored concrete pile distributing type slip casting system |
-
2022
- 2022-08-25 CN CN202211022273.7A patent/CN115324130A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594395A (en) * | 2015-01-15 | 2015-05-06 | 中铁第四勘察设计院集团有限公司 | Operation railroad bed side drilling pile foundation detection structure and detection method |
| CN110438998A (en) * | 2019-09-03 | 2019-11-12 | 机械工业勘察设计研究院有限公司 | A kind of outer bored grouting raising has become the structure and method of pile bearing capacity |
| CN111926807A (en) * | 2020-08-13 | 2020-11-13 | 上海宝冶集团有限公司 | Method and system for repairing defective cast-in-place pile |
| CN112593584A (en) * | 2020-12-14 | 2021-04-02 | 赤东建设集团有限公司 | Existing building foundation pile extension reinforcing structure and construction method thereof |
| CN113463643A (en) * | 2021-07-09 | 2021-10-01 | 南京东土建设科技有限公司 | Bored concrete pile distributing type slip casting system |
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