CN114150717B - Gravel pile detection device for coastal geological condition construction - Google Patents
Gravel pile detection device for coastal geological condition construction Download PDFInfo
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- CN114150717B CN114150717B CN202111491111.3A CN202111491111A CN114150717B CN 114150717 B CN114150717 B CN 114150717B CN 202111491111 A CN202111491111 A CN 202111491111A CN 114150717 B CN114150717 B CN 114150717B
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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
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Abstract
The invention relates to the technical field of buildings, and provides a gravel pile detection device for offshore geological condition construction, which comprises a numerical value detection pipe and a main shaft rotating gear rack, wherein the outer side of the numerical value detection pipe is connected with a detection rack in a sliding manner and used for displaying a measured numerical value, a sliding clamping push block is arranged on the inner side of the detection rack, and a detection push block is welded on the outer side of the sliding clamping push block.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a gravel pile detection device for coastal geological condition construction.
Background
The gravel pile is a composite foundation reinforcing pile made of gravel (pebbles) as a main material, the scattered body pile refers to a pile without bonding strength, a composite foundation consisting of scattered body piles such as gravel columns or sand piles and soil among the piles can also be called a scattered body pile composite foundation, and the composite foundations of the gravel piles, the sand piles, the slag soil piles and the like which are widely applied at present are all scattered body pile composite foundations.
The coastal geology is weak, and compared with the geology of the conventional land, the offshore geology has higher effect and requirement on pile pressing, and the currently common pile driving method is a vibroflotation (wet method) gravel pile, and the gravel pile manufactured by adopting a pile manufacturing process of vibroflotation and water filling is called a vibroflotation gravel pile or a wet method gravel pile.
However, at present, the measured value of the settlement theoretical value of the constructed layer and the subsequent construction layer of the gravel pile at the same construction progress is measured by visual conditions and manual operations of workers, so that excellent working experience is required, and the detection precision is low when considering the condition that influence factors such as material creep and shrinkage, temperature, construction load and the like in the construction process cause left-right asymmetry of the pile foundation, so that the gravel pile detection device for construction under the marine geological conditions is provided.
Disclosure of Invention
In order to solve the technical problems, the invention provides a gravel pile detection device for coastal geological condition construction, which is achieved by the following specific technical means:
the utility model provides a rubble stake detection device is used in construction of coastal geological condition, includes the numerical detection pipe, and the main shaft rotates the gear carrier, the outside sliding connection of numerical detection pipe has the detection frame that is used for showing measurement value, the inboard that detects the frame is provided with slip screens ejector pad, the outside welding of slip screens ejector pad has the detection to promote the piece, the slide rail has been seted up in the outside that detects the frame, the slide rail that detects the frame is the slip state setting with detecting the ejector pad, the outside sliding connection that detects the ejector pad has circular ejector pad, the outside joint that circular ejector pad has bent shape push rod, the bottom of bent shape push rod is provided with the connecting rod, the connecting rod that bent shape push rod was passed through to the bottom of bent shape push rod is provided with supplementary slip ejector pad, the inboard sliding connection that supplementary slip pushed the piece has the conveyer pipe, the bottom sliding connection of conveyer pipe has the gasbag frame, the bottom electric connection of gasbag frame has piezoelectricity response piece, one side joint of bent shape push rod has circular closing the runner, the outside rotation that circular closing the runner is connected with the screw thread transmission pole, the both sides that the main shaft rotated and is connected with supplementary transfer the gear carrier.
By adopting the operation, the main shaft rotating gear rack is in a rotating state, the main shaft rotating gear rack and the auxiliary transfer gear rack are in a meshing state, the main shaft rotating gear rack drives the auxiliary transfer gear rack to rotate, the auxiliary transfer gear rack drives the thread transfer rod to rotate through matching with threads of the thread transfer rod, the thread transfer rod drives the auxiliary sliding push block to move upwards through the circular matching rotating wheel, the curved push rod drives the detection push block to move upwards through the circular push block, the detection push block drives the sliding clamping push block to move upwards, the sliding clamping push block detects air in the machine frame through extrusion, the rubber block is used for sealing the air in the machine frame, the detection push block drives the numerical value detection tube to ascend, the measured value of the numerical value detection tube is the settlement theoretical value of a subsequent construction layer, and therefore the effect that a worker does not need to manually measure the settlement theoretical value is achieved, the operation is simple, the device is suitable for trainees with shallow work experience, and the detection precision is high.
Preferably, the outside of piezoelectricity response piece is provided with rubble pile head portion, the both sides of rubble pile head portion are provided with the injection adjustment and press from both sides the pipe, the outside sliding connection who sprays the adjustment and press from both sides the pipe has the injection head portion, the outside welding that sprays the adjustment and press from both sides the pipe has central supplementary bull stick, the top of central supplementary bull stick is rotated and is connected with end connection mechanism, the outside of central supplementary bull stick is rotated and is connected with the detection device frame.
By adopting the operation, when the gravel piling head carries out gravel on the geology, the injection adjustment clamping pipe is used for providing stable supporting force for the injection head, the injection head is used for injecting a water source, and through vibrating and impacting in the hole, the end connecting mechanism is used for being connected with the driving mechanism, and the stability between the mechanisms is improved.
Preferably, the outside fixedly connected with fixing clamping piece of detection frame, the both sides of fixing clamping piece are provided with supplementary ejector pad, the both sides of supplementary ejector pad are provided with the piston rod, the outside of piston rod is rotated and is connected with the centre gripping mount, the inboard sliding connection of piston rod has the connecting piece, the outside sliding connection of connecting piece has the supporting rod, one side of supporting rod is provided with the moment of torsion spring lever that is in compression state.
By adopting the operation, the circular pushing block moves upwards to drive the connecting piece to move upwards, the clamping rods increase the friction force of the upward sliding of the connecting piece, the connecting piece is not easy to change the state, after the clamping rods lose contact with the connecting piece, the elastic force of the torque spring rods pulls the plurality of groups of clamping rods inwards to prevent the connecting piece from falling, and the connecting piece rises to generate rolling friction force with the inner ring of the piston rod.
Preferably, the bottom welding that circular promoted the piece has the rubber sprue, the screens ejector pad that slides is the state setting that reciprocates in detecting the frame through the pressure that detects the promotion piece transmission, it sets up for the invariable state to detect the inside atmospheric pressure of frame.
Adopt above-mentioned operation, the inside air of frame is detected through the extrusion to the screens ejector pad that slides, and the rubber sprue is used as and seals for the inside air that will detect the frame, detects and promotes the piece and drive the numerical value detection pipe and rise, and the numerical value of the corresponding degree of depth to some extent is carved with on the surface of numerical value detection pipe, because the atmospheric pressure that detects the frame inside is invariable, then display data is comparatively accurate.
Preferably, the main shaft rotation gear carrier and the auxiliary movement gear carrier are in a synchronous rotation state, the screw thread transmission rod is in a synchronous rotation state through rotation of the auxiliary movement gear carrier, the circular fitting rotating wheel is arranged in a rotation state through rotation of the screw thread transmission rod, and the curved push rod is arranged in a rising state through rotation of the circular fitting rotating wheel.
By adopting the operation, the linkage between the mechanisms is improved.
Preferably, the numerical value detection tubes are arranged in a lifting state through air pressure transmission of the detection racks, the number of the detection racks is four, and the four groups of detection racks are arranged in a circumferential array relative to the horizontal and straight center lines of the end part connecting mechanism.
By adopting the operation, the numerical value can be conveniently and symmetrically observed, and the stability is improved.
Preferably, the quantity of centre gripping mount is the multiunit, the multiunit the centre gripping mount is circumference array setting about end connection mechanism's horizontal straight central line, the centre gripping mount is the setting of rising state through the thrust of circular promotion piece.
By adopting the operation, the accuracy of the detection data is improved.
Preferably, the piston rod is arranged in a closed state by the sliding friction force of the clamping fixing frame, and the inner side of the end connecting mechanism is provided with a mounting hole.
By adopting the operation, the driving source can be conveniently detached.
The invention has the following beneficial effects:
1. according to the gravel pile detection device for offshore geological condition construction, due to the fact that air pressure inside the detection rack is constant, display data are accurate, changes caused by abrasion of a measuring tool or ageing of equipment cannot occur, meanwhile, piezoelectric reaction can occur only when the gravel pile head is in contact with gravel inside a hole, if the gravel pile head is not in contact with the gravel inside the hole, a gravel target is completed, the gravel pile head is located on a constructed layer and reacts until the gravel pile head moves to a specified position, the value measured by the numerical value detection tube is a settlement theoretical value of a subsequent construction layer, and therefore the fact that workers do not need to manually measure the settlement theoretical value is achieved, the gravel pile detection device is simple to operate, suitable for trainees with shallow working experience, and high in detection precision;
2. according to the gravel pile detection device for offshore geological condition construction, the air bag frame drives the conveying pipe to ascend or descend through internal air pressure, and the situation can be caused when the temperature in holes in the same principle is too high or too low;
3. this rubble pile detection device is used in construction of near sea geological conditions, the supporting rod has lost the back with the contact of connecting piece, and the elasticity of moment of torsion spring pole pulls the multiunit supporting rod to the inboard, prevents the connecting piece whereabouts, and the connecting piece rises and has produced the rolling friction power with the inner circle of piston rod, keeps the clamping state of piston rod to the basal plane with supplementary ejector pad to realized having increased the stability of garrulous pile during operation, be favorable to detection device to detect.
Drawings
FIG. 1 is a schematic structural diagram of an outer frame of the detecting device of the present invention;
FIG. 2 is a schematic view of a fixing clip block according to the present invention;
FIG. 3 is a schematic structural view of the stone crushing piling head of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of a piston rod according to the present invention;
FIG. 6 is a schematic view of a clamping rod according to the present invention;
fig. 7 is a schematic view of the structure of the main shaft rotating gear rack of the invention.
In the figure: 101. detecting the outer frame of the device; 102. a central auxiliary rotating rod; 103. an end connection mechanism; 104. a gravel piling head; 105. spraying and adjusting a clamping pipe; 106. a spray head; 201. detecting the frame; 202. a numerical value detection tube; 203. a curved push rod; 204. an auxiliary sliding pushing block; 205. a delivery pipe; 206. an air bag holder; 207. a piezoelectric sensing block; 208. a threaded transfer rod; 209. sliding the clamping push block; 210. a circular pushing block; 211. rubber blocks; 212. detecting a pushing block; 213. the circular fit rotating wheel; 301. fixing the clamping block; 302. an auxiliary push block; 303. clamping the fixing frame; 304. a piston rod; 305. a torque spring rod; 306. a clamping rod; 307. a connecting member; 401. a main shaft rotating gear carrier; 402. the auxiliary gear rack is moved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a gravel pile detection device for offshore geological condition construction comprises a numerical detection tube 202, a main shaft rotating gear rack 401, a detection frame 201 for displaying measured numerical values is slidably connected to the outer side of the numerical detection tube 202, a sliding clamping push block 209 is arranged on the inner side of the detection frame 201, a detection push block 212 is welded on the outer side of the sliding clamping push block 209, a slide rail is arranged on the outer side of the detection frame 201, a fixed clamping block 301 is fixedly connected to the outer side of the detection frame 201, auxiliary push blocks 302 are arranged on two sides of the fixed clamping block 301, piston rods 304 are arranged on two sides of the auxiliary push blocks 302, a clamping fixing frame 303 is rotatably connected to the outer side of the piston rods 304, the slide rail of the detection frame 201 and the detection push block 212 are arranged in a sliding state, a circular push block 210 is slidably connected to the outer side of the detection push block 212, a curved push rod 203 is clamped to the outer side of the circular push block 210, and a curved connecting rod 203 is arranged at the bottom end of the curved push rod 203, the bottom end of the curved push rod 203 is provided with an auxiliary sliding push block 204 through a connecting rod of the curved push rod 203, the inner side of the auxiliary sliding push block 204 is connected with a conveying pipe 205 in a sliding manner, the bottom end of the conveying pipe 205 is connected with an air bag frame 206 in a sliding manner, the bottom end of the air bag frame 206 is electrically connected with a piezoelectric sensing block 207, the outer side of the piezoelectric sensing block 207 is provided with a gravel piling head 104, two sides of the gravel piling head 104 are provided with jet adjusting clamping pipes 105, when the gravel piling head 104 is subjected to gravel crushing, under the condition that the surface heat is increased or lowered due to overlarge working strength and the like, the air in the contact part of the air bag frame 206 and the gravel piling head 104 is heated by air, the air bag frame 206 is far away by thermal expansion and contraction, and the air bag frame 206 can expand and shrink in a small range due to small change of heat, and the air bag frame 206 drives the conveying pipe 205 to ascend or descend by internal air pressure, in the same way, too large and too small temperature in the holes can also cause the situation, the conveying pipe 205 has certain influence on the ascending and descending numerical values of the numerical value detecting pipe 202 through the auxiliary sliding pushing block 204, and whether the influence of the temperature is large during the processing of the equipment can be judged by observing the numerical values of the four groups of different numerical value detecting pipes 202, so that the influence of the temperature on the processing of the equipment can be simply judged, and the stability of the detection is improved.
The outer side of the injection adjusting clamping tube 105 is welded with a central auxiliary rotating rod 102, the top end of the central auxiliary rotating rod 102 is rotatably connected with an end connecting mechanism 103, the outer side of the central auxiliary rotating rod 102 is rotatably connected with a detection device outer frame 101, when a driving source drives a gravel piling head 104 to smash stones into the geology, the injection adjusting clamping tube 105 is used for providing stable supporting force for an injection head 106, the outer side of the injection adjusting clamping tube 105 is slidably connected with the injection head 106, the injection head 106 is used for injecting water source, through vibrating and impacting the hole, the end connecting mechanism 103 is used for being connected with a driving mechanism, one side of the curved push rod 203 is clamped with a circular conjunction rotating wheel 213, the outer side of the circular conjunction rotating wheel 213 is rotatably connected with a thread transmission rod 208, the two sides of the main shaft rotating gear rack 401 are rotatably connected with auxiliary shifting gear racks 402, the auxiliary shifting gear racks 402 are rotatably connected with the outer sides of the thread transmission rod 208, the bottom end of the circular pushing block 210 is welded with a rubber block 211, the sliding clamping pushing block 209 is arranged in the detection rack 201 in a vertical moving state through the pressure transmitted by the detection pushing block 212, the internal air pressure of the detection rack 201 is arranged in a constant state, the main shaft rotating gear rack 401 and the auxiliary actuating gear rack 402 are in a synchronous rotating state, the thread transmission rod 208 is in a synchronous rotating state through the rotation of the auxiliary actuating gear rack 402, the circular fitting rotating wheel 213 is arranged in a rotating state through the rotation of the thread transmission rod 208, the curved push rod 203 is arranged in a rising state through the rotation of the circular fitting rotating wheel 213, the numerical value detection pipe 202 is arranged in a rising state through the air pressure transmission of the detection rack 201, the number of the detection racks 201 is four, the four detection racks 201 are arranged in a circular array with respect to the horizontal and straight central line of the end connecting mechanism 103, when the piezoelectric sensing block 207 is contacted with the sandy soil after water storage, when the piezoelectric sensing block 207 touches sandy soil, according to the characteristics of the piezoelectric material, after the surface of the piezoelectric material is extruded, the internal voltage is increased, the piezoelectric sensing block 207 is transmitted through the electric energy of the injection adjusting clamping pipe 105, the spindle rotating gear carrier 401 is in a rotating state, the spindle rotating gear carrier 401 is in a meshing state with the auxiliary transfer gear carrier 402, the spindle rotating gear carrier 401 drives the auxiliary transfer gear carrier 402 to rotate, the auxiliary transfer gear carrier 402 drives the thread transfer rod 208 to rotate through the matching of the thread transfer rod 208, the thread transfer rod 208 drives the auxiliary sliding pushing block 204 to move upwards through the circular matching rotating wheel 213, the curved push rod 203 drives the detecting pushing block 212 to move upwards through the circular pushing block 210, the detecting pushing block 212 drives the sliding clamping pushing block 209 to move upwards, the sliding clamping pushing block 209 detects the air in the rack 201 through extrusion, the rubber blocking block 211 acts to seal the air in the rack, the detecting pushing block 212 drives the numerical detecting pipe 202 to rise, the surface of the numerical detecting pipe 202 is engraved with the corresponding depth, and the air pressure in the rack 201 is constant, so that the aging data of the detecting device 201 is not changed or the aging data is displayed accurately.
It should be noted that the piezoelectric reaction occurs only when the gravel pile driving head 104 is in contact with the gravel inside the hole, and if there is no touch, the gravel target is completed, and at this time, the gravel pile driving head is in the constructed layer, and the reaction occurs until the gravel pile driving head 104 moves to the specified position, and the value measured by the numerical value detection tube 202 is the settlement theoretical value of the subsequent construction layer, so that the settlement theoretical value does not need to be measured manually by the worker, the operation is simple, the method is suitable for trainees with shallow working experience, and the detection precision is high.
Referring to fig. 2-5, the number of the clamping holders 303 is multiple, the multiple groups of clamping holders 303 are arranged in a circumferential array around a straight center line of the end connection mechanism 103, the clamping holders 303 are arranged in an ascending state by a thrust of the circular pushing block 210, the outer side of the detection rack 201 is fixedly connected with a fixed clamping block 301, two sides of the fixed clamping block 301 are provided with auxiliary pushing blocks 302, two sides of the auxiliary pushing blocks 302 are provided with piston rods 304, the outer side of the piston rods 304 is rotatably connected with the clamping holders 303, the piston rods 304 are arranged in a closed state by a sliding friction force of the clamping holders 303, the inner side of the end connection mechanism 103 is provided with mounting holes, the inner side of the piston rods 304 is slidably connected with a connection part 307, the outer side of the connection part 307 is slidably connected with clamping rods 306, and one side of the clamping rods 306 is provided with a torque spring rod 305 in a compressed state.
It should be noted that, the circular pushing block 210 moves upward to drive the connecting member 307 to move upward, the clamping rods 306 increase the friction force of the upward sliding of the connecting member 307, so that the state of the connecting member is not easily changed, after the clamping rods 306 lose contact with the connecting member 307, the elastic force of the torque spring rods 305 pulls the multiple groups of clamping rods 306 inward to prevent the connecting member 307 from falling, the connecting member 307 rises to generate rolling friction force with the inner ring of the piston rod 304, and the auxiliary pushing block 302 maintains the clamping state of the piston rod 304 on the foundation surface, thereby increasing the stability of pile crushing during operation, and facilitating the detection of the detection device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a rubble stake detection device for coastal geological conditions construction, includes numerical detection pipe (202), main shaft rotating gear carrier (401), its characterized in that: the outer side of the numerical value detection tube (202) is connected with a detection rack (201) used for displaying measured numerical values in a sliding mode, the inner side of the detection rack (201) is provided with a sliding clamping pushing block (209), the outer side of the sliding clamping pushing block (209) is welded with a detection pushing block (212), the outer side of the detection rack (201) is provided with a sliding rail, the sliding rail of the detection rack (201) and the detection pushing block (212) are arranged in a sliding mode, the outer side of the detection pushing block (212) is connected with a circular pushing block (210) in a sliding mode, the outer side of the circular pushing block (210) is connected with a curved push rod (203) in a clamping mode, the bottom end of the curved push rod (203) is provided with a connecting rod, the bottom end of the curved push rod (203) is provided with an auxiliary sliding pushing block (204) through the connecting rod of the curved push rod (203), the inner side of the auxiliary sliding pushing block (204) is connected with a conveying tube (205) in a sliding mode, the bottom end of the conveying tube (205) is connected with an air bag frame (206) in a sliding mode, the bottom end of the air bag frame (206) is connected with a piezoelectric induction block (207) in an electric mode, one side of the curved push rod (203) is connected with a circular rotating wheel (213) in a clamping mode, the rotating wheel carrier (213) and the rotating shaft (401), and the rotating shaft carrier (401) rotates, and the rotating rod (401), the auxiliary transfer gear rack (402) is rotatably connected to the outer side of the threaded transfer rod (208);
the main shaft rotating gear carrier (401) and the auxiliary moving gear carrier (402) are in a synchronous rotation state, the thread transmission rod (208) is in a synchronous rotation state through rotation of the auxiliary moving gear carrier (402), the circular fitting rotating wheel (213) is arranged in a rotation state through rotation of the thread transmission rod (208), and the curved push rod (203) is arranged in an ascending state through rotation of the circular fitting rotating wheel (213).
2. The gravel pile detection device for coastal geological condition construction according to claim 1, characterized in that: the outside of piezoelectricity response piece (207) is provided with rubble pile head (104), the both sides of rubble pile head (104) are provided with injection adjustment clamp pipe (105), the outside sliding connection of injection adjustment clamp pipe (105) has injection head (106), the outside welding of injection adjustment clamp pipe (105) has central supplementary bull stick (102), the top of central supplementary bull stick (102) is rotated and is connected with end connection mechanism (103), the outside of central supplementary bull stick (102) is rotated and is connected with detection device frame (101).
3. The gravel pile detection device for coastal geological condition construction according to claim 2, characterized in that: the outside fixedly connected with fixing clamping block (301) of detecting frame (201), the both sides of fixing clamping block (301) are provided with supplementary ejector pad (302), the both sides of supplementary ejector pad (302) are provided with piston rod (304), the outside of piston rod (304) is rotated and is connected with centre gripping mount (303), the inboard sliding connection of piston rod (304) has connecting piece (307), the outside sliding connection of connecting piece (307) has clamping rod (306), one side of clamping rod (306) is provided with torque spring pole (305) that are in compression state.
4. The gravel pile detection device for coastal geological condition construction of claim 3, wherein: the bottom welding that circular promotion piece (210) has rubber sprue (211), the setting of reciprocating state is being passed through in detecting frame (201) to the pressure that detects promotion piece (212) transmission in slip screens ejector pad (209), it sets up for the constant state to detect the inside atmospheric pressure of frame (201).
5. The gravel pile detection device for coastal geological condition construction according to claim 4, wherein: the numerical value detection tubes (202) are arranged in a rising state through air pressure transmission of the detection racks (201), the number of the detection racks (201) is four, and the four groups of the detection racks (201) are arranged in a circumferential array relative to the horizontal and straight center lines of the end connecting mechanism (103).
6. The gravel pile detection device for coastal geological condition construction of claim 5, wherein: the quantity of centre gripping mount (303) is the multiunit, the multiunit centre gripping mount (303) is the circumference array setting about the horizontal straight center line of end connection mechanism (103), centre gripping mount (303) are the setting of rising state through the thrust of circular promotion piece (210).
7. The gravel pile detection device for coastal geological condition construction of claim 6, wherein: the piston rod (304) is arranged in a closed state through sliding friction force of the clamping fixing frame (303), and a mounting hole is formed in the inner side of the end connecting mechanism (103).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111491111.3A CN114150717B (en) | 2021-12-08 | 2021-12-08 | Gravel pile detection device for coastal geological condition construction |
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| CN202111491111.3A CN114150717B (en) | 2021-12-08 | 2021-12-08 | Gravel pile detection device for coastal geological condition construction |
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| CN114150717B true CN114150717B (en) | 2023-02-28 |
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| US3946601A (en) * | 1973-07-20 | 1976-03-30 | Technion Research And Development Foundation, Ltd. | Method of load testing foundations |
| US5172587A (en) * | 1991-03-13 | 1992-12-22 | Arctic Foundations, Inc. | Pile load testing device |
| CN103953079A (en) * | 2014-05-20 | 2014-07-30 | 武汉大学 | Single pile bearing mechanical and physical model test device based on CT (computed tomography) scanning |
| CN210151698U (en) * | 2019-03-15 | 2020-03-17 | 中建一局集团第五建筑有限公司 | Vibroflotation gravel pile composite foundation detection device |
| CN214952667U (en) * | 2021-06-08 | 2021-11-30 | 海口经济学院 | Push-extrusion type supporting pile bearing characteristic test device |
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2021
- 2021-12-08 CN CN202111491111.3A patent/CN114150717B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3946601A (en) * | 1973-07-20 | 1976-03-30 | Technion Research And Development Foundation, Ltd. | Method of load testing foundations |
| US5172587A (en) * | 1991-03-13 | 1992-12-22 | Arctic Foundations, Inc. | Pile load testing device |
| CN103953079A (en) * | 2014-05-20 | 2014-07-30 | 武汉大学 | Single pile bearing mechanical and physical model test device based on CT (computed tomography) scanning |
| CN210151698U (en) * | 2019-03-15 | 2020-03-17 | 中建一局集团第五建筑有限公司 | Vibroflotation gravel pile composite foundation detection device |
| CN214952667U (en) * | 2021-06-08 | 2021-11-30 | 海口经济学院 | Push-extrusion type supporting pile bearing characteristic test device |
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