CN113718863A - Geotechnical engineering pile foundation quality detection structure and application method thereof - Google Patents

Geotechnical engineering pile foundation quality detection structure and application method thereof Download PDF

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Publication number
CN113718863A
CN113718863A CN202111028894.1A CN202111028894A CN113718863A CN 113718863 A CN113718863 A CN 113718863A CN 202111028894 A CN202111028894 A CN 202111028894A CN 113718863 A CN113718863 A CN 113718863A
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plate
reinforcement cage
connecting plate
detection
tube
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CN202111028894.1A
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CN113718863B (en
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周公建
李海校
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Guangdong Yixinyuan Engineering Construction Management Consulting Co Ltd
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Guangdong Yixinyuan Engineering Construction Management Consulting Co Ltd
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00—Testing foundations or foundation structures
    • 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
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/20—Miscellaneous comprising details of connection between elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The detection structure comprises a plurality of detection pipes, wherein all the detection pipes are positioned in a reinforcement cage for forming a cast-in-place pile, the detection structure also comprises a positioning piece for simultaneously installing the plurality of detection pipes, and the positioning piece comprises a plurality of installation plates and a connecting plate; each mounting plate is provided with an accommodating groove for the butting of the detection tube, the mounting plate is provided with a butting arc plate for pressing the detection tube, and the butting arc plate is fixedly connected with the mounting plate; the connecting plate is used for connecting adjacent mounting plates, and the connecting plate is abutted and matched with the inner side wall of the reinforcement cage and fixedly connected with the inner side wall of the reinforcement cage; the application method comprises the following steps: positioning, mounting and reinforcing. This application has effectively improves the joint strength of sounding pipe on the steel reinforcement cage, has ensured the effect of the detection stability of detecting tube in assigned position department.

Description

Geotechnical engineering pile foundation quality detection structure and application method thereof
Technical Field
The application relates to the technical field of pile foundation quality detection, in particular to a geotechnical engineering pile foundation quality detection structure and an application method thereof.
Background
In geotechnical engineering, the pile foundation is a pile body structure which transfers the load of an upper building downwards and ensures the structural stability of the upper building through stronger bearing capacity of the deep layer of the foundation. The pile foundation can be divided into various types according to different forming methods, wherein the cast-in-place pile is one of the types which are extremely widely applied and have relatively high application stability. The forming of the cast-in-place pile is divided into two steps, firstly, drilling a hole on a foundation, secondly, placing a reinforcement cage in the hole and pouring concrete slurry, and forming the cast-in-place pile after the concrete slurry is solidified and formed in the hole.
In order to detect the quality of the cast-in-place pile, a certain number of sounding pipes are bound on a reinforcement cage forming the cast-in-place pile through reinforcing steel bars. The position arrangement of all the sounding pipes on the reinforcement cage is preset and can not be changed, and each sounding pipe is connected with external equipment through radio. After concrete slurry is poured into the inner cavity of the formed hole, the acoustic pipe measures the concrete filling amount at the designated position of the inner cavity of the formed hole through ultrasonic waves so as to judge the forming quality of the cast-in-place pile. Meanwhile, in the concrete slurry pouring process, detection data of the acoustic pipe can be used for an operator to timely perform adaptive adjustment on the filling amount of the concrete slurry, so that the forming compaction degree of each part of the pouring pile is guaranteed.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the joint strength of reinforcement acoustic pipe is on the low side, and at the concrete thick liquids filling in-process, the acoustic pipe easily appears the phenomenon of position migration relative steel reinforcement cage after receiving the concrete thick liquids impact, and then makes the interval between the adjacent acoustic pipe change, and the acoustic pipe is difficult to detect at the assigned position.
Disclosure of Invention
In order to improve the problem that the connection strength of the sounding pipe on the reinforcement cage is low and the detection is difficult to be carried out at a specified position, the application provides a geotechnical engineering pile foundation quality detection structure and an application method thereof.
In a first aspect, the present application provides a geotechnical engineering pile foundation quality detection structure adopts following technical scheme:
a geotechnical engineering pile foundation quality detection structure comprises a plurality of detection pipes, a positioning piece and a connecting plate, wherein all the detection pipes are positioned in a reinforcement cage for forming a cast-in-place pile; each mounting plate is provided with an accommodating groove for the butting of the detection tube, the mounting plate is provided with a butting arc plate for pressing the detection tube, and the butting arc plate is fixedly connected with the mounting plate; the connecting plate is used for connecting adjacent mounting panels, and the connecting plate is in butt fit with the inner side wall of the reinforcement cage and is fixedly connected with the inner side wall of the reinforcement cage.
By adopting the technical scheme, the mounting plate can be fixedly connected with a certain number of detection tubes at the same time, so that the contact area between the detection tubes and the reinforcement cage is enlarged, the connection strength between the detection tubes and the reinforcement cage is improved, and meanwhile, the detection tubes are quickly mounted in the reinforcement cage because constructors can conveniently mount a certain number of detection tubes at the same time; the accommodating groove limits the position of the detection tube relative to the mounting plate, and the detection tube is fixedly connected with the mounting plate after being abutted against the arc plate gland, so that the connection strength of the detection tube on the mounting plate is guaranteed; the connecting plates are fixedly connected with the adjacent mounting plates, so that the plurality of mounting plates are simultaneously and stably connected with the detection tubes, and the positioning stability of the detection tubes on the mounting plates is further ensured; meanwhile, the contact area of the mounting plate and the reinforcement cage is further increased by the connecting plate, the connection strength of the detection tube and the reinforcement cage is improved, and the application stability of the detection tube at the designated position is improved.
Preferably, the abutting arc plate is provided with an external connection plate and a fixing bolt; the external connecting plate is arranged at the free end of the abutting arc plate; the butt arc plate is pressed on the detection tube, and the fixing bolt is used for fixing the external connection plate on the mounting plate.
Through adopting above-mentioned technical scheme, the contact area of butt arc board and mounting panel has been increased to the external board, and quick fixed connection external plate of fixing bolt and mounting panel for the gland detecting tube is stabilized to the butt arc board, has ensured the positional stability of detecting tube in the accepting groove.
Preferably, the side wall of the abutting arc plate facing the detection tube is provided with an interference piece, and the interference piece is tightly matched between the abutting arc plate and the detection tube.
By adopting the technical scheme, the interference piece is tightly propped between the propping arc plate and the detection tube through the compression deformation of the interference piece, so that the gap between the propping arc plate and the detection tube is reduced, and the position stability of the detection tube on the mounting plate is improved; meanwhile, the interference piece effectively reduces the phenomena of looseness, slippage and deviation of the detection pipe relative to the mounting plate through the characteristic that the static friction coefficient of the outer surface of the interference piece is large.
Preferably, the mounting plate is provided with a propping piece in each accommodating groove, and the propping piece comprises a bearing arc plate and a plurality of compression springs; all compression springs set up in the accepting groove inside wall, all accept arc board one side simultaneously with all compression springs fixed connection, accept the arc board opposite side and contradict the cooperation with the detection tube.
By adopting the technical scheme, the abutting arc plate is used for bearing the detection tube, so that the phenomena of large-amplitude loosening and deflection of the detection tube in the accommodating groove are reduced; compression spring atress back compression deformation to elastic force reaction that produces when compressing through self is accepted the arc board, makes and accepts the arc board and supports tight test tube simultaneously with the butt arc board, has ensured the positional stability of test tube on the mounting panel.
Preferably, the detection tube and the mounting plate are provided with a limiting assembly together, and the limiting assembly comprises a directional screw rod, an extension plate and a locking nut; the extension plate is arranged on the mounting plate, the directional screw rod is arranged at the outer edge of the detection tube, the directional screw rod penetrates through the extension plate, and the locking nut is in threaded fit with the outer edge of the directional screw rod, so that the directional screw rod is fixedly connected with the extension plate.
By adopting the technical scheme, the directional screw rod penetrates through the extension plate to limit the position of the detection tube in the accommodating groove, so that the phenomena of looseness, slippage and deviation of the detection tube between the abutting arc plate and the bearing arc plate are reduced; the locking nut is screwed on the outer edge of the directional screw rod in a threaded manner, so that the directional screw rod is fixedly connected with the extension plate, and the position stability of the detection tube after installation is further improved.
Preferably, each connecting plate is welded and fixed with the reinforcement cage.
Through adopting above-mentioned technical scheme, welded fastening's connecting plate and steel reinforcement cage for the joint strength of connecting plate and steel reinforcement cage can further improve, and then has further improved the joint strength of detecting tube on the steel reinforcement cage, has effectively reduced the concrete thick liquids and has erodeed the detecting tube after, makes the phenomenon of detecting tube position migration appear.
Preferably, the connecting plate and the reinforcement cage are further provided with clamping components, and each clamping component comprises a connecting screw rod and a plurality of supporting plates; the supporting plate is arranged on the side wall, facing the reinforcement cage, of the connecting plate through a connecting piece, and one end of the supporting plate penetrates through the reinforcement cage; the connecting screw rod is threaded through all adjacent supporting plates, and the outer edge of the connecting screw rod is abutted and matched with the side wall of the reinforcement cage far away from the connecting plate.
By adopting the technical scheme, after the connecting screw rod simultaneously penetrates through all the adjacent supporting plates, the connecting plate, the supporting plates and the connecting screw rod are jointly sleeved on the reinforcement cage, so that the phenomena of large-amplitude loosening and movement and deviation of the detection pipe relative to the reinforcement cage are reduced; meanwhile, the connecting screw rod and the connecting plate are simultaneously abutted against the side wall of the steel reinforcement cage, and the position stability of the connecting plate on the steel reinforcement cage is further improved.
Preferably, the connecting piece includes end fagging and fastening bolt, the end fagging sets up in the lateral wall of backup pad orientation connecting plate, the end fagging offsets with the lateral wall that the connecting plate was faced each other, fastening bolt is used for being fixed in the end fagging on the connecting plate.
Through adopting above-mentioned technical scheme, after the lateral wall that end shore plate and connecting plate moved towards each other offset, stay plate and connecting plate at the bottom of fastening bolt fixed connection for on the backup pad is fixed in the connecting plate fast, and then when not disturbing the connecting plate free adjustment position in steel reinforcement cage inner chamber, but make connecting screw quick fixed connection backup pad.
In a second aspect, the application method of the geotechnical engineering pile foundation quality detection structure provided by the application method comprises the following application steps:
positioning: the detection tube is abutted into the inner cavity of the containing groove and pressed, so that the directional screw rod penetrates through the extension plate, and the detection tube is abutted against the bearing arc plate and compresses and deforms the compression spring; the abutting arc plate is rotated to abut against the detection tube, the outer connecting plate and the mounting plate are fixedly connected through the fixing bolt, and the locking nut is screwed on the outer edge of the directional screw rod in a threaded manner, so that the detection tube is stably fixed in the accommodating groove;
installation: simultaneously abutting a plurality of detection pipes connected with the positioning piece into the inner cavity of the reinforcement cage, and then abutting the connecting plate against the inner side wall of the reinforcement cage; abutting the bottom support plate and the side wall of the connecting plate facing to each other, and fixedly connecting the bottom support plate and the connecting plate by using a fastening bolt so that the support plate can penetrate through the reinforcement cage; connecting the connecting screw rods with all adjacent supporting plates through threads simultaneously, so that the connecting plates and the connecting screw rods simultaneously clamp the reinforcement cage;
reinforcing: and the connecting plate and the reinforcement cage are welded and fixed, so that the connection strength of the connecting plate and the reinforcement cage is further improved, and the application stability of the detection tube at the designated position in the reinforcement cage is ensured.
Through adopting above-mentioned technical scheme, constructor can be fast, efficient will detect the stable assigned position who is fixed in the steel reinforcement cage of pipe to can effectively ensure the stability of application of detecting pipe in steel reinforcement cage assigned position department.
In summary, the present application has the following beneficial technical effects:
1. the mounting plate can be fixedly connected with a certain number of detection tubes, so that the contact area between the detection tubes and the reinforcement cage is enlarged, and the connection strength between the detection tubes and the reinforcement cage is improved; the connecting plates are fixedly connected with the adjacent mounting plates, so that the plurality of mounting plates are simultaneously and stably connected with the detection tubes, and the positioning stability of the detection tubes on the mounting plates is further ensured; meanwhile, the connecting plate further increases the contact area between the mounting plate and the reinforcement cage, and improves the connection strength between the detection tube and the reinforcement cage and the application stability of the detection tube at the designated position;
2. the directional screw rod penetrates through the extension plate to limit the position of the detection tube in the accommodating groove, so that the phenomena that the detection tube is easy to loose, slide and move between the abutting arc plate and the receiving arc plate are reduced; the locking nut is screwed on the outer edge of the directional screw rod in a threaded manner, so that the directional screw rod is fixedly connected with the extension plate, and the position stability of the detection tube after installation is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a geotechnical engineering pile foundation quality detection structure in an embodiment of the present application;
FIG. 2 is a schematic view showing the connection relationship between the mounting plate, the connecting plate and the detecting tube in the embodiment of the present application;
FIG. 3 is a schematic view of the connection between the test tube and the mounting plate in the embodiment of the present application;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
FIG. 5 is an exploded view of the connection of the detector tube to the mounting plate in an embodiment of the present application.
Description of reference numerals:
1. a detection tube; 2. a positioning member; 21. mounting a plate; 211. an accommodating groove; 212. abutting against the arc plate; 213. an interference piece; 214. an outer connecting plate; 215. fixing the bolt; 22. a connecting plate; 3. a limiting component; 31. a directional screw rod; 32. an extension plate; 33. a lock nut; 4. an abutting piece; 41. a compression spring; 42. carrying the arc plate; 5. a clamping component; 51. a support plate; 511. a pass-through hole; 52. connecting a screw rod; 6. a connecting member; 61. a bottom supporting plate; 62. fastening a bolt; 7. and (4) a reinforcement cage.
Detailed Description
The embodiment of the application discloses geotechnical engineering pile foundation quality detection structure.
The present application is described in further detail below with reference to figures 1-5.
Referring to fig. 1 and 2, the sensing structure includes a plurality of sensing tubes 1 and a spacer 2. In this embodiment, the detecting tubes 1 are sounding tubes, and every four detecting tubes 1 are installed in the reinforcement cage 7 through a set of positioning members 2. The steel reinforcement cage 7 is the main structure body of bored concrete pile, and after the steel reinforcement cage 7 took the pit body inner chamber that the detection tube 1 leaned on the ground, the pit body was filled to the concrete thick liquids and concreties steel reinforcement cage 7 to form the bored concrete pile. At the moment, the detection tube 1 receives and releases ultrasonic waves in the cast-in-place pile so as to detect the quality of the formed part at the specific position of the cast-in-place pile.
Referring to fig. 2 and 3, the positioning member 2 includes a mounting plate 21, and the mounting plate 21 is an Contraband-shaped plate. The two mounting plates 21 abut against each other at their facing end walls to jointly define a rectangular frame.
Referring to fig. 1, in the present embodiment, the outer circumference of the rectangular frame is smaller than the inner diameter of the reinforcement cage 7, so that the two sets of the mounting plates 21 enclosing the rectangle simultaneously abut into the reinforcement cage 7.
Referring to fig. 2 and 3, a plurality of receiving grooves 211 are equidistantly formed in the mounting plate 21, and one detecting tube 1 can be placed in one receiving groove 211. A limiting assembly 3 is arranged between the detection tube 1 and the mounting plate 21, and the limiting assembly 3 comprises a directional screw rod 31, an extension plate 32 and a locking nut 33.
Referring to fig. 4, the orientation screw 31 is vertically welded to the outer edge of the sensing tube 1, the extension plate 32 is vertically welded to the mounting plate 21, and one mounting plate 21 corresponds to one receiving groove 211. When the detecting tube 1 is pushed into the cavity of the receiving slot 211, the end of the orientation screw 31 far away from the detecting tube 1 can pass through the extension plate 32 to define the position of the detecting tube 1 relative to the mounting plate 21. The locking nut 33 is screwed on the outer edge of the orientation screw 31, so that the orientation screw 31 is fixedly connected with the extension plate 32.
Referring to fig. 3 and 5, the mounting plate 21 is provided with a holding member 4 in the receiving slot 211, the holding member 4 includes a plurality of compression springs 41, and one end of each compression spring 41 is welded to an inner side wall of the receiving slot 211. The abutting member 4 further includes a receiving arc plate 42, and the receiving arc plate 42 is welded to all the compression springs 41 near the side wall of the receiving groove 211.
Referring to fig. 3 and 5, the mounting plate 21 is hinged with an abutting arc plate 212, and the abutting arc plate 212 is located at each receiving slot 211. After the constructor pushes the detection tube 1 into the inner cavity of the containing groove 211, the directional screw rod 31 passes through the extension plate 32, the detection tube 1 is pushed against the bearing arc plate 42 and pushes the compression spring 41, and the compression spring 41 is compressed and deformed after being stressed. At this time, the operator rotates the abutting arc plate 212 so that the abutting arc plate 212 presses the inspection tube 1 to further define the position of the inspection tube 1 at the receiving groove 211.
Referring to fig. 5, an interference member 213 is adhered to the side wall of the abutting arc plate 212 facing the detection tube 1, and in this embodiment, the interference member 213 is a rubber pad having a flexible texture and a large static friction coefficient on the outer surface. After the abutting arc plate 212 abuts against the outer edge of the detecting tube 1, the interference member 213 is compressed by force and abuts against the space between the abutting arc plate 212 and the detecting tube 1.
Referring to fig. 3 and 5, an external connection plate 214 is integrally formed at the free end of the abutting arc plate 212, and when the abutting arc plate 212 abuts against the outer edge of the detection tube 1, the external connection plate 214 abuts against the facing side wall of the mounting plate 21. The outer connecting plate 214 and the mounting plate 21 are also provided with a fixing bolt 215, and a rod body of the fixing bolt 215 penetrates through the outer connecting plate 214 and is screwed in a preset thread groove on the mounting plate 21, so that the outer connecting plate 214 is fixedly connected with the mounting plate 21, and the connection strength of the detection tube 1 on the mounting plate 21 is improved.
Referring to fig. 3 and 4, the spacer 2 further includes a plurality of connecting plates 22, the connecting plates 22 are welded between two adjacent mounting plates 21, and one side of the connecting plates 22 in the width direction protrudes outside the mounting plates 21. Connecting plate 22 is used for adjacent mounting panel 21 of fixed connection, and then makes polylith mounting panel 21 stably accept test tube 1 simultaneously, ensures test tube 1 at the connection stability and the application stability of steel reinforcement cage 7.
Referring to fig. 1 and 4, a clamping assembly 5 is disposed between the connecting plate 22 and the reinforcement cage 7, and the clamping assembly 5 includes a plurality of supporting plates 51. The support plate 51 is fixed to the connection plate 22 by a connection member 6, and the connection member 6 includes a bottom support plate 61 and a fastening bolt 62. The bottom supporting plate 61 is integrally formed on the side wall of the supporting plate 51 facing the connecting plate 22, and the outer peripheral dimension of the bottom supporting plate 61 is larger than that of the supporting plate 51. After the bottom support plate abuts against the side wall of the connecting plate 22 facing each other, the fastening bolt 62 fixedly connects the bottom support plate 61 and the connecting plate 22, so that the support plate 51 is quickly fixed on the connecting plate 22.
Referring to fig. 1, after a certain number of detecting tubes 1 are fixed by the positioning element 2 and abut against the inner cavity of the reinforcement cage 7, a constructor can make the connecting plate 22 close to the reinforcement cage 7, so that the connecting plate 22 abuts against the side wall of the reinforcement cage 7 facing each other. At this time, the supporting plate 51 passes through the reinforcement cage 7, and the operator can weld and fix the connecting plate 22 and the reinforcement cage 7 by the welding gun, so that the connecting plate 22 is preliminarily positioned in the reinforcement cage 7.
Referring to fig. 3 and 4, in the present embodiment, the central axes of all the adjacent support plates 51 are collinear, a through hole 511 penetrates through the center of each support plate 51, the through hole 511 is a threaded hole, and the through hole 511 and the reinforcement cage 7 are close to each other. The fastening member 5 further includes a connecting screw 52, and the connecting screw 52 is threaded through the passing hole 511 to connect all the adjacent support plates 51. At this time, the outer edge of the connecting screw rod 52 abuts against the side wall of the reinforcement cage 7 far away from the connecting plate 22, so that the connection strength between the connecting plate 22 and the reinforcement cage 7 is further improved, and the detection stability of the detection tube 1 at the specified position of the reinforcement cage 7 is ensured.
The implementation principle of geotechnical engineering pile foundation quality detection structure in the embodiment of the application is as follows: after the detecting tube 1 is pushed into the cavity of the holding groove 211, the compression spring 41 is compressed by force and reacts on the detecting tube 1 through the receiving arc plate 42. After the abutting arc plate 212 presses the detection tube 1, the fixing bolt 215 is fixedly connected with the outer connecting plate 214 and the mounting plate 21, and at this time, the abutting arc plate 212 and the receiving arc plate 42 simultaneously receive the detection tube 1.
After the directional screw rod 31 passes through the extension plate 32, the locking nut 33 is screwed on the outer edge of the directional screw rod 31, so that the directional screw rod 31 is fixedly connected with the extension plate 32, the phenomena of loosening, slipping and deviation of the detection tube 1 between the bearing arc plate 42 and the abutting arc plate 212 are reduced, and the connection strength of the detection tube 1 and the mounting plate 21 is ensured.
The connecting plate 22 is welded to the reinforcement cage 7 so that the detector tube 1 is initially positioned within the reinforcement cage 7. The connecting screw 52 is threaded through all adjacent support plates 51 to further define the position of the connecting plate 22 relative to the reinforcement cage 7. Meanwhile, the connecting screw rod 52 and the connecting plate 22 clamp the reinforcement cage 7 at the same time, so that loosening of the connecting plate 22 relative to the reinforcement cage 7 is effectively reduced. The phenomenon of deviation guarantees the application stability of the detection tube 1 at the designated position.
The embodiment of the application also discloses an application method of the geotechnical engineering pile foundation quality detection structure, which comprises the following application steps:
positioning: the position of the detecting tube 1 in the containing groove 211 is preliminarily defined by pressing the detecting tube 1 into the cavity of the containing groove 211 so that the orientation screw 31 passes through the extension plate 32. The detection tube 1 is pressed to make the detection tube 1 tightly abut against the bearing arc plate 42 and press the bearing arc plate 42, so that the compression spring 41 is compressed and deformed after being stressed.
The abutting arc plate 212 is rotated to abut against the detecting tube 1, and at this time, the abutting arc plate 212 and the receiving arc plate 42 simultaneously receive the detecting tube 1, so as to further limit the position of the receiving plate in the receiving groove 211. Then, the outer plate 214 and the mounting plate 21 are fixedly connected by the fixing bolt 215, so that the abutting arc plate 212 abuts against the outer edge of the detection tube 1. Finally, the locking nut 33 is screwed on the outer edge of the directional screw rod 31, so that the detection tube 1 is stably fixed in the receiving groove 211, and the connection and fixation of the detection tube 1 and the mounting plate 21 are completed.
Installation: the plurality of detecting tubes 1 connected with the positioning piece 2 simultaneously support into the inner cavity of the steel reinforcement cage 7, the mutually facing side walls of the bottom supporting plate 61 and the connecting plate 22 support against each other, and then the bottom supporting plate 61 and the connecting plate 22 are fixedly connected through the fastening bolt 62, so that the supporting plate 51 is fixed on the connecting plate 22.
The position of the detecting tube 1 is adjusted so that the connecting plate 22 abuts against the inner side wall of the reinforcement cage 7, and the supporting plate 51 penetrates through the reinforcement cage 7. Will connect lead screw 52 simultaneously with adjacent all backup pad 51 threaded connection for connecting plate 22 presss from both sides tight steel reinforcement cage 7 with connecting lead screw 52 simultaneously, with the joint strength of guarantee connecting plate 22 and steel reinforcement cage 7, and the test tube 1 is tentatively fixed a position in steel reinforcement cage 7 inner chamber.
Reinforcing: and the connecting plate 22 and the reinforcement cage 7 are welded, so that the connection strength of the connecting plate 22 and the reinforcement cage 7 is further improved, and the application stability of the detection tube 1 at the designated position in the reinforcement cage 7 is further ensured.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a geotechnical engineering pile foundation quality detection structure, includes many detecting tube (1), all detecting tube (1) is located steel reinforcement cage (7) that are used for forming the bored concrete pile, its characterized in that: the device is characterized by also comprising a positioning piece (2) used for installing a plurality of detection tubes (1) at the same time, wherein the positioning piece (2) comprises a plurality of installation plates (21) and a connecting plate (22); each mounting plate (21) is provided with an accommodating groove (211) for the detection tube (1) to abut into, the mounting plate (21) is provided with an abutting arc plate (212) for pressing the detection tube (1), and the abutting arc plate (212) is fixedly connected with the mounting plate (21); the connecting plate (22) is used for connecting adjacent mounting plates (21), and the connecting plate (22) is in butt fit with the inner side wall of the reinforcement cage (7) and is fixedly connected.
2. The geotechnical engineering pile foundation quality detection structure according to claim 1, wherein: the abutting arc plate (212) is provided with an external connection plate (214) and a fixing bolt (215); the outer connecting plate (214) is arranged at the free end of the abutting arc plate (212); the abutting arc plate (212) is pressed on the detection tube (1), and the fixing bolt (215) is used for fixing the outer connecting plate (214) on the mounting plate (21).
3. The geotechnical engineering pile foundation quality detection structure according to claim 2, wherein: the side wall of the abutting arc plate (212) facing the detection tube (1) is provided with an interference piece (213), and the interference piece (213) is tightly matched between the abutting arc plate (212) and the detection tube (1).
4. The geotechnical engineering pile foundation quality detection structure according to claim 1, wherein: the mounting plate (21) is provided with a propping piece (4) in each accommodating groove (211), and each propping piece (4) comprises a bearing arc plate (42) and a plurality of compression springs (41); all compression spring (41) set up in accepting groove (211) inside wall, all accept arc board (42) one side simultaneously with all compression spring (41) fixed connection, accept arc board (42) opposite side and conflict cooperation with detecting tube (1).
5. The geotechnical engineering pile foundation quality detection structure according to claim 4, wherein: the detection tube (1) and the mounting plate (21) are provided with a limiting assembly (3) together, and the limiting assembly (3) comprises a directional screw rod (31), an extension plate (32) and a locking nut (33); the extension plate (32) is arranged on the mounting plate (21), the directional screw rod (31) is arranged on the outer edge of the detection tube (1), the directional screw rod (31) penetrates through the extension plate (32), and the locking nut (33) is in threaded fit with the outer edge of the directional screw rod (31) so that the directional screw rod (31) is fixedly connected with the extension plate (32).
6. The geotechnical engineering pile foundation quality detection structure according to claim 1, wherein: each connecting plate (22) is fixedly welded with the reinforcement cage (7).
7. The geotechnical engineering pile foundation quality detection structure according to claim 6, wherein: the connecting plate (22) and the reinforcement cage (7) are further provided with a clamping component (5), and the clamping component (5) comprises a connecting screw rod (52) and a plurality of supporting plates (51); the supporting plate (51) is arranged on the side wall, facing the reinforcement cage (7), of the connecting plate (22) through a connecting piece (6), and one end of the supporting plate (51) penetrates through the reinforcement cage (7); the connecting screw rods (52) are threaded through all the adjacent supporting plates (51) at the same time, and the outer edges of the connecting screw rods (52) are in butt joint with the side wall, away from the connecting plate (22), of the reinforcement cage (7).
8. The geotechnical engineering pile foundation quality detection structure according to claim 7, wherein: connecting piece (6) are including bottom fagging (61) and fastening bolt (62), bottom fagging (61) set up in backup pad (51) towards the lateral wall of connecting plate (22), bottom fagging (61) offsets with the lateral wall that connecting plate (22) moved towards each other, fastening bolt (62) are used for being fixed in bottom fagging (61) on connecting plate (22).
9. The application method of the geotechnical engineering pile foundation quality detection structure according to any one of claims 1 to 8, wherein: the method comprises the following application steps: positioning: the detection tube (1) is abutted into the inner cavity of the containing groove (211) and pressed, so that the directional screw rod (31) penetrates through the extension plate (32), the detection tube (1) is abutted against the bearing arc plate (42) and the compression spring (41) is compressed and deformed; the abutting arc plate (212) is rotated to abut against the detection tube (1), then the outer connecting plate (214) and the mounting plate (21) are fixedly connected through a fixing bolt (215), and a locking nut (33) is screwed on the outer edge of the directional screw rod (31), so that the detection tube (1) is stably fixed in the accommodating groove (211); installation: simultaneously pushing a plurality of detection tubes (1) connected with a positioning piece (2) into the inner cavity of the reinforcement cage (7), and then tightly pushing a connecting plate (22) against the inner side wall of the reinforcement cage (7); abutting the bottom support plate (61) and the side wall of the connecting plate (22) facing to each other, and fixedly connecting the bottom support plate (61) and the connecting plate (22) through a fastening bolt (62) so that the support plate (51) penetrates through the reinforcement cage (7); simultaneously connecting the connecting screw rod (52) with all adjacent supporting plates (51) in a threaded manner, so that the connecting plate (22) and the connecting screw rod (52) simultaneously clamp the reinforcement cage (7); reinforcing: and the connecting plate (22) and the reinforcement cage (7) are welded and fixed, so that the connection strength of the connecting plate (22) and the reinforcement cage (7) is further improved, and the application stability of the detection tube (1) at the designated position in the reinforcement cage (7) is guaranteed.
CN202111028894.1A 2021-09-03 2021-09-03 Geotechnical engineering pile foundation quality detection structure and application method thereof Active CN113718863B (en)

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JP2015025337A (en) * 2013-07-29 2015-02-05 鹿島建設株式会社 Foundation pile and foundation pile construction method
CN206554075U (en) * 2017-02-20 2017-10-13 云南建投基础工程有限责任公司 It is a kind of to carry Grouting Pipe, the ultra-fine filling pile cage of reinforcement of sound detecting pipe
CN110374092A (en) * 2019-07-10 2019-10-25 江苏镇江路桥工程有限公司 Grout pile end follow-up grouting device and its technique
CN210887347U (en) * 2019-08-28 2020-06-30 安徽欧维尔新材料科技有限公司 A sounding pipe device for concrete pile or pile foundation
CN212358397U (en) * 2020-01-16 2021-01-15 姜帅 Be used for municipal works pile foundation quality detection device
CN212714913U (en) * 2020-07-09 2021-03-16 中建四局第一建筑工程有限公司 Super-large-diameter cast-in-place pile double-layer reinforcement cage with embedded pipe
CN213805518U (en) * 2020-10-23 2021-07-27 山东高速工程检测有限公司 Anti-tilting device for pile foundation sounding pipe
CN213836765U (en) * 2020-10-10 2021-07-30 福州冠航建材有限公司 Bored concrete pile sounding pipe temporary fixing tool

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015025337A (en) * 2013-07-29 2015-02-05 鹿島建設株式会社 Foundation pile and foundation pile construction method
CN206554075U (en) * 2017-02-20 2017-10-13 云南建投基础工程有限责任公司 It is a kind of to carry Grouting Pipe, the ultra-fine filling pile cage of reinforcement of sound detecting pipe
CN110374092A (en) * 2019-07-10 2019-10-25 江苏镇江路桥工程有限公司 Grout pile end follow-up grouting device and its technique
CN210887347U (en) * 2019-08-28 2020-06-30 安徽欧维尔新材料科技有限公司 A sounding pipe device for concrete pile or pile foundation
CN212358397U (en) * 2020-01-16 2021-01-15 姜帅 Be used for municipal works pile foundation quality detection device
CN212714913U (en) * 2020-07-09 2021-03-16 中建四局第一建筑工程有限公司 Super-large-diameter cast-in-place pile double-layer reinforcement cage with embedded pipe
CN213836765U (en) * 2020-10-10 2021-07-30 福州冠航建材有限公司 Bored concrete pile sounding pipe temporary fixing tool
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