CN111926807A - Method and system for repairing defective cast-in-place pile - Google Patents
Method and system for repairing defective cast-in-place pile Download PDFInfo
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- CN111926807A CN111926807A CN202010813092.0A CN202010813092A CN111926807A CN 111926807 A CN111926807 A CN 111926807A CN 202010813092 A CN202010813092 A CN 202010813092A CN 111926807 A CN111926807 A CN 111926807A
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- 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
- E02D5/64—Repairing piles
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10132—Ultrasound image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30204—Marker
Abstract
The invention discloses a method and a system for repairing a defective cast-in-place pile, which are used for determining the defect position and elevation of the cast-in-place pile to be treated, performing construction preparation work before repair, cleaning the defect position of the cast-in-place pile to be treated, repairing the defect, finally checking and accepting the repair work, and sending a generated check and acceptance report to an upper computer for storage and display. Meanwhile, the acceptance report is uploaded to facilitate the subsequent analysis and processing of the data.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a method and a system for repairing a defective cast-in-place pile.
Background
At present, in the construction of an expressway in a soft foundation area, a cast-in-place pile is easy to generate defects, for example, in a marsh area with a relatively thick soft soil layer, the cast-in-place pile is easy to collapse and shrink during the construction process, so that the finally formed cast-in-place pile usually has defects at the edge of a pile body and the bottom of a hole, the cast-in-place pile with the defects at the edge of the pile body is difficult to repair, the cast-in-place pile with the defects at the pile body cannot be normally connected with a bearing platform, and can only be abandoned, so that the waste of resources is caused, and the construction efficiency is also reduced. The existing method for treating the defective cast-in-place pile in the soft foundation area has the defects that the construction links are multiple, the process is complex, the unified construction specification is not available at present, the pile forming quality has a lot of uncertainty, various quality defects are easy to generate, the bearing capacity of a pile body is obviously reduced in serious conditions, and great potential safety hazards exist.
Disclosure of Invention
In view of this, the present invention aims to provide a method for repairing a defective cast-in-place pile, so as to solve the problems that the existing defective cast-in-place pile has no uniform construction specification and the pile quality is uncertain.
In order to achieve the first object, the invention provides the following technical scheme:
a method of repairing a defective bored pile, the method comprising:
determining the defect position and elevation of a cast-in-place pile to be treated;
according to the defect position and the elevation of the cast-in-place pile to be treated, carrying out repair construction preparation work on the defect position of the cast-in-place pile to be treated;
cleaning the defect position of the cast-in-place pile to be treated and repairing the defect of the cast-in-place pile to be treated;
and checking and accepting the repair work of the cast-in-place pile to be treated, generating a checking and accepting report, and sending the report to an upper computer for storage and display.
Preferably, the determining the defect position of the cast-in-place pile to be treated comprises:
acquiring an ultrasonic image generated by the ultrasonic signal reflected by the cast-in-place pile to be processed and obtained by a probe of an ultrasonic detector;
acquiring marking information input by a marking lamp arranged on a probe of an ultrasonic detector based on the ultrasonic image, and determining a marking position according to the marking information;
and obtaining the defect position corresponding to the defect position of the cast-in-place pile to be processed according to the mark position.
Preferably, the determining the mark position according to the mark information includes:
determining the pixel position of a marking graph of the marking information in the ultrasonic image;
and determining the marking position of the pixel position on the detection surface according to the corresponding relation between the pixel position and the detection surface of the ultrasonic detector.
Preferably, the repair construction preparation work for the defect of the cast-in-place pile to be treated includes:
drilling holes on the periphery of the cast-in-place pile to be processed to a first preset depth below the defect position of the cast-in-place pile to be processed;
carrying out jet grouting curtain method drainage construction on the periphery of the cast-in-place pile to be treated, carrying out jet grouting reinforcement, and cleaning waste slurry and waste soil on the periphery of the cast-in-place pile to be treated;
drilling a hole in the pile top of the cast-in-place pile to be processed for coring to obtain a coring hole, wherein the coring depth exceeds a second preset depth of the defect position of the cast-in-place pile to be processed;
each get downthehole installation slip casting pipe of core and grout pipe, the slip casting pipe with grout pipe is equallyd divide and is equipped with spouting mouth and ball valve respectively.
Preferably, the first preset depth is 1-2 meters;
and/or the second preset depth is 1-2 times of the diameter of the cast-in-place pile to be treated.
Preferably, the performing defect repair on the cast-in-place pile to be treated includes:
grouting the grouting pipe in the coring hole to the position below the defect position at normal pressure, discharging liquid through the grout discharging pipe, and performing discontinuous repeated grouting;
and when the core taking hole and the defective position of the cast-in-place pile to be treated are filled with grouting materials and the cement paste concentration of the grout discharging pipe is equal to the grouting concentration of the grouting pipe, after waiting for a preset time, grouting again until the grouting pressure reaches a preset pressure range, closing the grout discharging pipe, stopping grouting, closing the ball valve and finishing grouting.
Preferably, after stopping grouting and closing the ball valve to finish grouting, the method further comprises:
and plugging a grouting opening at the top of the cast-in-place pile to be treated.
Preferably, the sound measurement report of the ultrasonic detector, and the defect position and elevation of the cast-in-place pile to be processed are sent to an upper computer for storage and display.
The invention also provides a system for repairing the defective cast-in-place pile, which comprises:
the defect position and elevation determining module is used for determining the defect position and elevation of the cast-in-place pile to be processed;
the defect repairing construction preparation module is used for performing repairing construction preparation work on the defect position of the cast-in-place pile to be treated according to the defect position and the elevation of the cast-in-place pile to be treated;
the defect position cleaning module is used for cleaning the defect position of the cast-in-place pile to be treated;
the defect repairing module is used for repairing the defects of the cast-in-place pile to be treated;
and the defect repair acceptance module is used for accepting the repair work of the cast-in-place pile to be treated, generating an acceptance report and sending the acceptance report to the upper computer for storage and display.
Preferably, the defect position and elevation determination module includes:
the ultrasonic image acquisition module is used for acquiring an ultrasonic image generated by the ultrasonic signal reflected by the cast-in-place pile to be processed and obtained by a probe of an ultrasonic detector;
the marking position processing module is used for acquiring marking information input by a marking lamp arranged on a probe of the ultrasonic detector based on the ultrasonic image and determining a marking position according to the marking information;
and the defect position processing module is used for obtaining the defect position corresponding to the defect position of the cast-in-place pile to be processed according to the mark position.
The invention provides a method for repairing a defective cast-in-place pile, which comprises the following steps: determining the defect position and elevation of a cast-in-place pile to be treated; according to the defect position and the elevation of the cast-in-place pile to be treated, carrying out repair construction preparation work on the defect position of the cast-in-place pile to be treated; cleaning the defect position of the cast-in-place pile to be treated and repairing the defect of the cast-in-place pile to be treated; and (4) checking and accepting the repair work of the cast-in-place pile to be treated, generating an acceptance report and sending the acceptance report to an upper computer for storage and display.
By applying the method and the system for repairing the defective cast-in-place pile, provided by the invention, after the defect position and the elevation of the cast-in-place pile to be treated are determined, construction preparation work before repair is carried out, the defect position of the cast-in-place pile to be treated is cleaned and defect repair is carried out, finally, the repair work is checked and accepted, and a generated check and acceptance report is sent to an upper computer for storage and display. Meanwhile, the acceptance report is uploaded to facilitate the subsequent analysis and processing of the data.
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 drawings without creative efforts.
Fig. 1 is a flowchart of a method for repairing a defective cast-in-place pile according to an embodiment of the present invention;
FIG. 2 is a flowchart of a method for determining a defect position of a cast-in-place pile to be processed according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for performing repair construction preparation work on a defect of the cast-in-place pile to be treated according to an embodiment of the present invention;
fig. 4 is a flowchart of a method for repairing a defect of the cast-in-place pile to be treated according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention discloses a method for repairing a defective cast-in-place pile, which aims to solve the problems that the conventional defective cast-in-place pile has no uniform construction specification and the pile forming quality is uncertain.
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.
Referring to fig. 1-4, fig. 1 is a flowchart illustrating a method for repairing a defective cast-in-place pile according to an embodiment of the present invention; FIG. 2 is a flowchart of a method for determining a defect position of a cast-in-place pile to be processed according to an embodiment of the present invention; fig. 3 is a flowchart of a method for performing repair construction preparation work on a defect of the cast-in-place pile to be treated according to an embodiment of the present invention; fig. 4 is a flowchart of a method for repairing a defect of the cast-in-place pile to be treated according to an embodiment of the present invention.
In a specific embodiment, the invention provides a method for repairing a defective cast-in-place pile, which comprises the following steps:
s10: determining the defect position and elevation of a cast-in-place pile to be treated;
preferably, the defect position and the defect position elevation of the cast-in-place pile to be processed are detected by an ultrasonic detector, or other types of sensors such as a sonar sensor may be used for detection, and the next step S20 is executed;
s20: according to the defect position and the elevation of the cast-in-place pile to be treated, carrying out repair construction preparation work on the defect position of the cast-in-place pile to be treated;
and (3) repairing construction preparation work, which comprises the steps of draining and reinforcing the periphery of the cast-in-place pile to be treated, cleaning peripheral waste slurry and waste soil, cleaning surrounding soil layers on the ground, ensuring that a drilling machine has a stable working site, and drilling and coring the top of the cast-in-place pile to be treated after completion to prepare for subsequent defect repair of S13.
S30: cleaning the defect position of the cast-in-place pile to be treated and repairing the defect of the cast-in-place pile to be treated;
after the hole is punched to the defect position of the cast-in-place pile to be processed, the defect position of the cast-in-place pile to be processed is cleaned by water of a high-pressure grouting pump, so that no residue is left at the defect position, the slurry can directly act on the pipe wall at the defect position during subsequent defect repair, the orifice wall at the defect position is sealed from the periphery of the cast-in-place pile to be processed, and slurry is prevented from overflowing; and repairing the defects by grouting equipment.
S40: and (4) checking and accepting the repair work of the cast-in-place pile to be treated, generating an acceptance report and sending the acceptance report to an upper computer for storage and display.
And (4) repairing and accepting the cast-in-place pile to be processed through the acceptance equipment, and sending the generated acceptance report to the upper computer so as to analyze and process the data subsequently. The upper computer can be set as a PC, a tablet computer, an industrial computer, a desktop computer or a notebook computer and the like.
By applying the method for repairing the defective cast-in-place pile, provided by the invention, after the defect position and the elevation of the cast-in-place pile to be treated are determined, construction preparation work before repair is carried out, the defect position of the cast-in-place pile to be treated is cleaned and defect repair is carried out, finally, the repair work is checked and accepted, and a generated acceptance report is sent to an upper computer for storage and display. Meanwhile, the acceptance report is uploaded to facilitate the subsequent analysis and processing of the data.
Specifically, determining the defect position of the cast-in-place pile to be treated comprises the following steps:
s110: acquiring an ultrasonic image generated by a reflected ultrasonic signal of the bored concrete pile to be processed, which is obtained by a probe of an ultrasonic detector;
s120: acquiring marking information input based on an ultrasonic image according to a marking lamp arranged on a probe of an ultrasonic detector, and determining a marking position according to the marking information;
s130: and obtaining the defect position corresponding to the defect position of the cast-in-place pile to be processed according to the marked position.
Wherein determining the marker position according to the marker information comprises:
determining the pixel position of a marking graph of the marking information in the ultrasonic image;
and determining the marking position of the pixel position on the detection surface according to the corresponding relation between the pixel position and the detection surface of the ultrasonic detector.
By the method, the defect position of the cast-in-place pile to be treated is obtained through the ultrasonic detector.
Further, the repair construction preparation work is carried out on the defect position of the cast-in-place pile to be treated, and the repair construction preparation work comprises the following steps:
s210: drilling holes on the periphery of the cast-in-place pile to be treated to a first preset depth below the defect position of the cast-in-place pile to be treated; leading a hole below the defect position through a core drilling machine, wherein the first preset depth is 1-2 m;
s220: carrying out jet grouting curtain method drainage construction on the periphery of the cast-in-place pile to be treated, carrying out jet grouting reinforcement, cleaning waste slurry and waste soil around the cast-in-place pile to be treated, and carrying out jet grouting reinforcement through a jet grouting pile machine;
drilling a hole in the pile top of the cast-in-place pile to be processed by a drilling machine to obtain a core-taking hole, wherein the core-taking depth exceeds a second preset depth of the defect position of the cast-in-place pile to be processed; the second preset depth is 1-2 times of the diameter of the cast-in-place pile to be treated
S230: and a grouting pipe and a slurry discharge pipe are arranged in each core hole, and the grouting pipe and the slurry discharge pipe are respectively provided with a slurry spraying port and a ball valve. The number of the grouting pipes and the number of the slurry discharging pipes are respectively one, each grouting pipe and each slurry discharging pipe are respectively provided with a slurry spraying port, and the upper orifices of the grouting pipes and the slurry discharging pipes are provided with ball valves.
And cleaning the defect position of the cast-in-place pile to be treated by using water of a high-pressure grouting pump, lifting while cleaning, and observing the turbidity degree of overflowed water until clear water overflows from the hole.
In this embodiment, the repairing of the defect of the cast-in-place pile to be treated includes:
s310: grouting the grouting pipe in the coring hole to the position below the defect position at normal pressure through the grouting pipe of the grouting equipment, discharging liquid through the grout discharging pipe, and performing intermittent repeated grouting, wherein the liquid is generally clear water;
s320: and when the core taking hole and the defect position of the cast-in-place pile to be treated are filled with grouting materials and the cement paste concentration of the grout discharging pipe is equal to the grouting concentration of the grouting pipe, after waiting for the preset time, grouting again until the grouting pressure reaches the preset pressure range, closing the grout discharging pipe, stopping grouting and closing the ball valve to finish grouting.
And the preset time is set to be 30min to wait for grouting again after slurry is formed, and when the pressure reaches 6-8MPa, the slurry discharge pipe is closed, grouting is stopped, and the ball valve is closed to finish grouting.
Wherein the grouting slurry is pure cement slurry prepared from P.O.42.5 ordinary portland cement, and after the grouting is finished, a grouting opening at the top of the cast-in-place pile to be treated is plugged by an assembled flexible plastic hydraulic seal head.
And sending the sound measurement report of the ultrasonic detector, the defect position and the elevation of the cast-in-place pile to be processed to an upper computer for storage and display.
Based on the above method embodiment, the present invention further provides a system embodiment corresponding thereto, where the system includes:
the defect position and elevation determining module is used for determining the defect position and elevation of the cast-in-place pile to be processed;
the defect repairing construction preparation module is used for performing repairing construction preparation work on the defect position of the cast-in-place pile to be treated according to the defect position and the elevation of the cast-in-place pile to be treated;
the defect position cleaning module is used for cleaning the defect position of the cast-in-place pile to be treated;
the defect repairing module is used for repairing the defects of the cast-in-place pile to be treated;
and the defect repair acceptance module is used for accepting the repair work of the cast-in-place pile to be treated, generating an acceptance report and sending the acceptance report to the upper computer for storage and display.
By applying the method for repairing the defective cast-in-place pile, provided by the invention, after the defect position and the elevation of the cast-in-place pile to be treated are determined, construction preparation work before repair is carried out, the defect position of the cast-in-place pile to be treated is cleaned and defect repair is carried out, finally, the repair work is checked and accepted, and a generated acceptance report is sent to an upper computer for storage and display. Meanwhile, the acceptance report is uploaded to facilitate the subsequent analysis and processing of the data.
Defect position and elevation determine module includes:
the ultrasonic image acquisition module is used for acquiring an ultrasonic image generated by the ultrasonic signal reflected by the cast-in-place pile to be processed and obtained by the probe of the ultrasonic detector;
the marking position processing module is used for acquiring marking information input by a marking lamp arranged on a probe of the ultrasonic detector based on the ultrasonic image and determining a marking position according to the marking information;
and the defect position processing module is used for obtaining the defect position corresponding to the defect position of the cast-in-place pile to be processed according to the mark position.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
Claims (10)
1. A method of repairing a defective bored pile, the method comprising:
determining the defect position and elevation of a cast-in-place pile to be treated;
according to the defect position and the elevation of the cast-in-place pile to be treated, carrying out repair construction preparation work on the defect position of the cast-in-place pile to be treated;
cleaning the defect position of the cast-in-place pile to be treated and repairing the defect of the cast-in-place pile to be treated;
and checking and accepting the repair work of the cast-in-place pile to be treated, generating a checking and accepting report, and sending the report to an upper computer for storage and display.
2. The method for repairing a defective bored pile according to claim 1, wherein the determining the location of the defect of the bored pile to be treated includes:
acquiring an ultrasonic image generated by the ultrasonic signal reflected by the cast-in-place pile to be processed and obtained by a probe of an ultrasonic detector;
acquiring marking information input by a marking lamp arranged on a probe of an ultrasonic detector based on the ultrasonic image, and determining a marking position according to the marking information;
and obtaining the defect position corresponding to the defect position of the cast-in-place pile to be processed according to the mark position.
3. The method for repairing a defective bored pile according to claim 2, wherein the determining a mark position based on the mark information includes:
determining the pixel position of a marking graph of the marking information in the ultrasonic image;
and determining the marking position of the pixel position on the detection surface according to the corresponding relation between the pixel position and the detection surface of the ultrasonic detector.
4. The method for repairing a defective bored pile according to claim 1, wherein the preparation for repairing construction at the defect of the bored pile to be treated includes:
drilling holes on the periphery of the cast-in-place pile to be processed to a first preset depth below the defect position of the cast-in-place pile to be processed;
carrying out jet grouting curtain method drainage construction on the periphery of the cast-in-place pile to be treated, carrying out jet grouting reinforcement, and cleaning waste slurry and waste soil on the periphery of the cast-in-place pile to be treated;
drilling a hole in the pile top of the cast-in-place pile to be processed for coring to obtain a coring hole, wherein the coring depth exceeds a second preset depth of the defect position of the cast-in-place pile to be processed;
each get downthehole installation slip casting pipe of core and grout pipe, the slip casting pipe with grout pipe is equallyd divide and is equipped with spouting mouth and ball valve respectively.
5. The method for repairing a defective bored pile according to claim 4, wherein the first predetermined depth is 1 to 2 m;
and/or the second preset depth is 1-2 times of the diameter of the cast-in-place pile to be treated.
6. The method for repairing a defective bored pile according to claim 4, wherein the repairing the defect of the bored pile to be treated includes:
grouting the grouting pipe in the coring hole to the position below the defect position at normal pressure, discharging liquid through the grout discharging pipe, and performing discontinuous repeated grouting;
and when the core taking hole and the defective position of the cast-in-place pile to be treated are filled with grouting materials and the cement paste concentration of the grout discharging pipe is equal to the grouting concentration of the grouting pipe, after waiting for a preset time, grouting again until the grouting pressure reaches a preset pressure range, closing the grout discharging pipe, stopping grouting, closing the ball valve and finishing grouting.
7. The method for repairing a defective bored pile according to claim 6, wherein after the grouting is stopped and the ball valve is closed to finish the grouting, the method further comprises:
and plugging a grouting opening at the top of the cast-in-place pile to be treated.
8. The method for repairing a defective bored pile according to claim 2, wherein the acoustic report of the ultrasonic detector, the defective position of the bored pile to be treated, and the elevation are transmitted to an upper computer for storage and display.
9. A system for repairing a defective bored pile, comprising:
the defect position and elevation determining module is used for determining the defect position and elevation of the cast-in-place pile to be processed;
the defect repairing construction preparation module is used for performing repairing construction preparation work on the defect position of the cast-in-place pile to be treated according to the defect position and the elevation of the cast-in-place pile to be treated;
the defect position cleaning module is used for cleaning the defect position of the cast-in-place pile to be treated;
the defect repairing module is used for repairing the defects of the cast-in-place pile to be treated;
and the defect repair acceptance module is used for accepting the repair work of the cast-in-place pile to be treated, generating an acceptance report and sending the acceptance report to the upper computer for storage and display.
10. The system for repairing a defective bored pile according to claim 9, wherein the defect position and elevation determination module includes:
the ultrasonic image acquisition module is used for acquiring an ultrasonic image generated by the ultrasonic signal reflected by the cast-in-place pile to be processed and obtained by a probe of an ultrasonic detector;
the marking position processing module is used for acquiring marking information input by a marking lamp arranged on a probe of the ultrasonic detector based on the ultrasonic image and determining a marking position according to the marking information;
and the defect position processing module is used for obtaining the defect position corresponding to the defect position of the cast-in-place pile to be processed according to the mark position.
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| CN110409433A (en) * | 2019-07-26 | 2019-11-05 | 山西华晋岩土工程勘察有限公司 | The construction system and method for basement process are carried out using the bored concrete pile with steel bushing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622553A (en) * | 2022-03-22 | 2022-06-14 | 陈倩 | Defect bored concrete pile maintenance processing method |
| CN115324130A (en) * | 2022-08-25 | 2022-11-11 | 江苏现代工程检测有限公司 | Existing pile damage combined reinforcement treatment device and use method thereof |
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Application publication date: 20201113 |