CN114277802A - Positioning construction structure of reverse construction method steel pipe structure column rear insertion method - Google Patents
Positioning construction structure of reverse construction method steel pipe structure column rear insertion method Download PDFInfo
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- CN114277802A CN114277802A CN202111520810.6A CN202111520810A CN114277802A CN 114277802 A CN114277802 A CN 114277802A CN 202111520810 A CN202111520810 A CN 202111520810A CN 114277802 A CN114277802 A CN 114277802A
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Abstract
The invention relates to the technical field of steel pipe structure columns, and discloses a positioning construction structure of a reverse construction method for inserting a steel pipe structure column backwards, which comprises a pile hole, a steel sleeve and a steel pipe structure column, wherein the pile hole is provided with a cast-in-place pile; a plurality of jacks are arranged on the periphery of the steel pipe column, and an ultrasonic probe is placed in the insertion section below the steel pipe structural column; the ultrasonic probe obtains the verticality data of the steel pipe column, and a plurality of jacks adjust the angle of the steel pipe column through telescopic shafts until the verticality data meets the set requirement; according to the straightness data that hangs down, the telescopic shaft of a plurality of jacks back a steel casing pipe adjusts and accomplishes the location to the straightness that hangs down of steel tubular construction post, has ensured the accurate positioning of steel tubular construction post, and the location is accurate swift, and comprehensive construction cost is low.
Description
Technical Field
The invention relates to the technical field of steel pipe structure columns, in particular to a reverse construction method steel pipe structure column rear insertion method positioning construction structure.
Background
When the deep foundation pit supporting engineering adopts a reverse construction method construction process, the upper part adopts a steel pipe structure pile, and the lower part adopts a cast-in-place pile, which is one of common supporting forms.
For example, in the construction of a station at the Bay notch bank of Shenzhen No. 13 line Shenzhen urban rail transit, the station is excavated to the average depth of 21m, the ground layers in the field range are distributed from top to bottom into plain filling soil, powdery clay, gravel sand, powdery clay, fully weathered siltstone and strongly, moderately and slightly weathered granite layers, and the thickness of the covering layer above the stroke rocks exceeds 60 m; the station excavation design adopts a cover excavation reverse construction method, the enclosure structure adopts an underground continuous wall, the vertical supporting members are steel pipe structural columns inserted into the cast-in-place piles, the steel pipe columns are used as a part of a main structure, and the design adopts a rear insertion method process. The pile foundation of steel tubular structure post designs for expanding the end bored concrete pile, and pile tip holding power layer is strong weathering rock, straight hole section pile diameter 2500mm, expand end diameter 4000mm, and average hole depth 55m, wherein steel tubular structure post average length 25m, design steel-pipe pile diameter 1300mm, steel-pipe pile bottom embedding basis bored concrete pile top 4 m. The allowable deviation of the central line of the designed steel pipe structural column and the central line of the foundation is +/-5 mm, and the verticality deviation of the steel pipe structural column is not more than 1/1000 in length and not more than 15mm at most.
Among the prior art, to adopting bored concrete pile cooperation steel tubular construction post as the deep basal pit of strutting the form, at the construction of reverse construction method, the construction straightness control of hanging down of steel tubular construction post requires highly, the steel tubular construction post location construction degree of difficulty is very big, the construction is very complicated, after the deviation appears in the steel tubular construction post, receives the big influence in steel tubular construction post cross-section, it is big to carry out the bottom of steel tubular construction post and rectifies the regulation degree of difficulty, need play repeatedly and pull up to reinsert steel tubular construction post and accomplish the location, consuming time and wasting force.
Disclosure of Invention
The invention aims to provide a reverse construction method steel pipe structure column rear insertion method positioning construction structure, and aims to solve the problem that in the prior art, the construction difficulty is high in the verticality positioning of a steel pipe structure column in reverse construction method construction.
The invention is realized in this way, the steel pipe structure post back-inserting method positioning construction structure of the reverse construction method comprises a pile hole, a steel sleeve sleeved on the inner side wall of the pile hole and a steel pipe structure post downwards inserted into the pile hole, wherein the bottom of the pile hole is provided with a cast-in-place pile, the steel pipe structure post comprises a steel pipe post and a tool post connected to the top of the steel pipe post, and the bottom of the steel pipe post is provided with an inserting section inserted into the cast-in-place pile;
the periphery of the steel pipe column is provided with a plurality of jacks which are horizontally arranged, the jacks are arranged on the same horizontal plane, the inner ends of the jacks are fixedly abutted against the outer side wall of the steel pipe column, and the telescopic shafts of the jacks are arranged towards the inner side wall of the steel sleeve; an ultrasonic probe is placed in the steel pipe structure column and is arranged along the central axis of the pile hole, and the ultrasonic probe is placed in the insertion section;
on the same horizontal plane, the ultrasonic probe acquires perpendicularity data of the steel pipe column by detecting distance data between a plurality of positions on the inner side wall of the steel pipe column and the central axis of the pile hole, and a plurality of jacks are pressed against the inner side wall of the steel sleeve through telescopic shafts to stretch out and draw back to adjust the angle of the steel pipe column according to the perpendicularity data until the perpendicularity data acquired by the ultrasonic probe meets set requirements.
Further, the diameter of the cast-in-place pile is larger than that of the steel pipe structure column.
Furthermore, the jack is connected with a lifting belt.
Furthermore, the periphery of the steel pipe column is provided with a plurality of horizontally arranged fixing frames, the fixing frames are located on the same horizontal plane, fixing grooves with top openings are formed in the fixing frames, the jacks are fixed in the fixing grooves, and penetrating holes for the telescopic shafts of the jacks to penetrate through are formed in the outer ends of the fixing frames.
Further, the size of the top opening of the fixing groove is larger than that of the jack.
Furthermore, the periphery of the steel pipe column is provided with a horizontally arranged fixing ring, the fixing ring is arranged around the periphery of the steel pipe column, and the fixing frames are arranged on the fixing ring.
Furthermore, an inner elastic structure is inserted into the fixing groove and comprises an inner abutting plate abutting against the inner end of the fixing groove and an inner bending piece arranged on the inner abutting plate, the inner bending piece is arranged towards the inner end of the jack in a bending mode, the inner end of the jack abuts against the inner elastic piece and deforms towards the inner abutting plate, and the lifting belt is connected with the inner abutting plate.
Further, be equipped with outer elastic construction in the outer end of fixed slot, outer elastic construction includes the butt at the outer butt board of the outer end of fixed slot and sets up the outer crooked piece on outer butt board, outer crooked piece is towards the outer end bending arrangement of jack, the outer end of jack is supporting pressing outer elastic piece towards outside butt board bending deformation.
Further, an annular space is arranged between the top of the tool column and the steel sleeve and surrounds the periphery of the tool column, an annular air bag is embedded in the annular space, the internal pressure of the annular air bag is smaller than a set pressure value, the lower portion of the annular air bag is embedded in the annular space, and the upper portion of the annular air bag extends to the upper portion of the tool column.
Furthermore, the lower part of the annular air bag is in a conical shape with a small lower part and a large upper part.
Compared with the prior art, the rear insertion method positioning construction structure for the steel pipe structural column by the reverse construction method provided by the invention has the advantages that the pile hole is formed by drilling after the steel sleeve is inserted into the pile position, the verticality data of the steel pipe column is detected and obtained by the ultrasonic probe after the steel pipe structural column is inserted downwards, the telescopic shafts of the jacks are jacked back to the steel sleeve according to the verticality data, the verticality of the steel pipe structural column is adjusted and the positioning is completed, the accurate positioning of the steel pipe structural column is ensured, the construction efficiency is high, the verticality is automatically adjusted by the jacks, the repeated use can be realized, the positioning is accurate and quick, a large amount of auxiliary operation time is saved, the construction progress is accelerated, and the comprehensive construction cost is low.
Drawings
FIG. 1 is a schematic front view of a positioning construction structure of a reverse steel tube structure column by a back-inserting method provided by the invention;
FIG. 2 is a schematic front view of a full slewing drilling rig construction steel casing provided by the present invention;
FIG. 3 is a schematic front view of the jack provided by the present invention before adjusting the steel tubular structural column;
FIG. 4 is a schematic front view of a steel tubular structure column adjusted by a jack according to the present invention;
FIG. 5 is a schematic front view of an inner spring structure provided by the present invention;
FIG. 6 is a schematic front view of an outer spring structure provided by the present invention;
fig. 7 is a schematic sectional view of the annular bladder provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-7, preferred embodiments of the present invention are provided.
Back inserting method positioning construction structure of reverse construction method steel pipe structure post, including pile hole 101, the steel casing pipe 100 of cover on the inside wall of pile hole 101 and the steel pipe structure post of going into in pile hole 101 down, the bottom of pile hole 101 has bored concrete pile 102, steel pipe structure post includes steel-pipe column 201 and to the instrument post 202 of connecing at steel-pipe column 201 top, the bottom of steel-pipe column 201 has the insertion section of inserting in bored concrete pile 102.
A plurality of jacks 400 horizontally arranged are arranged on the periphery of the steel pipe column 201, the plurality of jacks 400 are arranged on the same horizontal plane, the inner end of each jack 400 is fixedly abutted against the outer side wall of the steel pipe column 201, and the telescopic shaft 402 of each jack 400 is arranged towards the inner side wall of the steel sleeve 100; an ultrasonic probe 300 is placed in the steel pipe structure column, the ultrasonic probe 300 is arranged along the central axis of the pile hole 101, and the ultrasonic probe 300 is placed in the insertion section;
on the same horizontal plane, the ultrasonic probe 300 acquires perpendicularity data of the steel pipe column 201 by detecting distance data of a plurality of positions on the inner side wall of the steel pipe column 201 and the central axis of the pile hole 101, and according to the perpendicularity data, the plurality of jacks 400 are abutted to the inner side wall of the steel sleeve 100 through the telescopic shafts 402 and then are stretched to adjust the angle of the steel pipe column 201 until the perpendicularity data acquired by the ultrasonic probe 300 meets set requirements.
Above-mentioned back insertion method location construction structures of reverse construction method steel tubular construction post that provides, creep into behind inserting steel casing pipe 100 in the pile position and form stake hole 101, after going into steel tubular construction post down, utilize ultrasonic probe 300 to detect and obtain the straightness data that hangs down of steel tubular construction post 201, according to the straightness data that hangs down, the telescopic shaft 402 of a plurality of jacks 400 back props steel casing pipe 100, adjust and accomplish the location to the straightness that hangs down of steel tubular construction post, the accurate positioning of steel tubular construction post has been ensured, the efficiency of construction is high, the jack 400 automatically regulated hangs down the straightness, can reuse, fix a position accurately swiftly, save a large amount of supplementary activity duration, construction progress has been accelerated, comprehensive construction cost is low.
In actual construction, the steel casing 100 is inserted downward at the pile position by using the full slewing drilling machine 500; drilling a pile hole 101 at a pile position by using a rotary drilling rig, and putting a reinforcement cage and pouring concrete into the lower part of the pile hole 101 to form a pouring pile 102; the steel pipe structural column is lifted by a crane and is lowered into the pile hole 101 from top to bottom, and the steel pipe structural column is lowered into the pile hole 101 gradually downwards by the alternate operation of the full slewing drilling machine 500 and the clamping device of the full slewing platform until the bottom of the steel pipe column 201 is inserted into the cast-in-place pile 102 to a set depth.
The steel sleeve 100 can be used as a jack 400 for supporting the steel pipe structure column in a back jacking manner during deviation rectification, and can be used as a wall protection function of the pile hole 101 in the process of drilling the pile hole 101. The steel sleeve 100 provides guiding and positioning for the positioning, deviation rectifying and verticality of the steel pipe structure column, and in order to ensure that the steel sleeve 100 is smoothly pulled out after the steel pipe structure column is positioned in subsequent construction, the bottom of the steel sleeve 100 is formed above the designed top elevation of the cast-in-place pile 102 by about 1.0 m.
The ultrasound probe 300 may be a UDM100WG probe with a measurement accuracy of 0.2% FS and a maximum aperture of 4.0 m. The ultrasonic probe 300 is placed at a certain speed, ultrasonic pulse reflection signals of vertical hole walls in four directions (or two directions) are received and recorded in the process of placing the ultrasonic probe 300, the state of the hole walls can be monitored in the four directions visually, parameters such as the hole diameter and the verticality can be displayed through a screen, detection data can be played back or printed out at any time, and analysis and management of data information are facilitated.
The diameter of the bored concrete pile 102 is larger than that of the steel tubular structure column, so that the overall structure of the bored concrete pile in cooperation with the steel tubular structure column is more stable.
After the perpendicularity data obtained by the ultrasonic probe 300 meets the set requirements, a plurality of longitudinally-arranged fixing plates are arranged at the top of the steel sleeve 100, the fixing plates are arranged around the periphery of the tool column 202 and abut against the periphery of the tool column 202, and the ultrasonic probe 300 is put forward of the steel tube structure column after the tool column 202 is fixed by the fixing plates.
After the bottom of the steel pipe column 201 contacts the top of the insertion section, the full slewing drilling machine 500 and the clamping device of the all-round platform simultaneously clamp the tool column 202, after the crane breaks away from the lifting of the steel pipe structure column, the clamping device of the all-round platform loosens the clamping of the tool column 202, and the alternate operation steps of the full slewing drilling machine 500 and the clamping device of the all-round platform on the steel pipe structure column are as follows:
a) the full-slewing drilling machine 500 clamps the tool column 202, the steel pipe column 201 is inserted downwards to set a fixed stroke, the clamping device of the all-round platform clamps the tool column 202, and the full slewing drilling machine 500 moves upwards to reset;
b) the full slewing drilling machine 500 clamps the tool post 202, and the clamping device of the full slewing platform loosens the clamping of the tool post 202;
c) and repeating the construction step a) and the construction step b) until the bottom of the steel pipe column 201 is inserted into the cast-in-place pile 102 to a set depth.
Therefore, the vertical downward insertion of the steel pipe structure column is realized through the alternate matching of the clamping device of the all-round platform and the all-round rotary drilling machine 500, and the stability of the steel pipe structure column in the construction process can be ensured through the downward insertion for multiple times of set stroke, so that the downward insertion in the vertical state is kept.
The lifting belt is connected to the jack 400, so that after the steel pipe column structure is positioned, the jack 400 can be lifted out of the pile hole by the aid of the lifting belt.
In this embodiment, the periphery of steel-pipe column 201 sets up the mount of a plurality of horizontal arrangements, and a plurality of mounts are in same horizontal plane, are equipped with open-top's fixed slot in the mount, and jack 400 is fixed in the fixed slot, and the outer end of mount is equipped with the through-hole that supplies telescopic shaft 402 of jack 400 to pass.
The periphery of steel-pipe column 201 is provided with the solid fixed ring 401 of horizontal arrangement, and solid fixed ring 401 encircles along the periphery of steel-pipe column 201 and arranges, and a plurality of mounts set up on solid fixed ring 401, like this, the arrangement of the mount of being convenient for, and can be so that a plurality of mounts are in same horizontal plane.
The overall dimension of the open-top of fixed slot is greater than the overall dimension of jack 400, and after the steel tubular structure post location was accomplished, when jack 400 pressure release back, jack 400's telescopic shaft 402 retracted to the fixed slot in through wearing to establish the hole, pulled out the fixed slot with jack 400 through the lifting belt to pile hole 101 is pulled out to lifting up.
In this embodiment, an inner elastic structure is inserted into the fixing groove, the inner elastic structure includes an inner abutting plate 601 abutting against the inner end of the fixing groove and an inner curved piece 602 disposed on the inner abutting plate 601, the inner curved piece 602 is curved toward the inner end of the jack 400, and the lifting belt is connected to the inner abutting plate 601; after the jack 400 is placed in the fixing groove, the inner end of the jack 400 presses the inner elastic piece to be bent and deformed toward the inner abutting plate 601.
Before the lifting strap is used for lifting the jack 400, the lifting strap is used for lifting the inner elastic structure out of the fixing groove, the inner bent piece 602 recovers to deform, the jack 400 moves towards the inner end of the fixing groove for a set distance under the elastic action of the inner bent piece 602, and then the lifting strap is used for lifting the jack 400 out of the fixing groove.
Like this, in arranging jack 400 in the fixed slot through interior elastic construction firmly, guarantee the steadiness of jack 400 when adjusting steel tubular construction post straightness that hangs down, and, pull out the fixed slot through carrying the stretching strap with interior elastic construction earlier, can be in lax state with jack 400 in the fixed slot, be convenient for carry jack 400 out the fixed slot, and, the elastic deformation of interior flexure strip 602 can move jack 400 towards the inner of fixed slot and set for the distance, when carrying jack 400, can not take place to interfere between jack 400 and the mount.
An outer elastic structure is provided in the outer end of the fixing groove, and the outer elastic structure includes an outer abutting plate 603 abutting on the outer end of the fixing groove and an outer bent piece 604 provided on the outer abutting plate 603, and the outer bent piece 604 is bent toward the outer end of the jack 400.
After the jack 400 is placed in the fixing groove, the outer end of the jack 400 presses the outer elastic sheet to bend and deform towards the outer abutting plate 603; when the inner elastic structure is pulled out of the fixing groove by the pulling string, the outer bent piece 604 is restored to be deformed, and the jack 400 is driven to move a set distance toward the inner end of the lower fixing groove.
Like this, through outer elastic construction and interior elastic construction cooperation, place jack 400 in the fixed slot firmly, guarantee the steadiness of jack 400 when adjusting steel tubular construction post straightness that hangs down to, after pulling up jack 400 through the area of carrying, outer flexure strip 604 resumes to warp, moves jack 400 towards the inner of fixed slot and sets for the distance, when pulling up jack 400, can not take place to interfere between jack 400 and the mount.
An annular space is arranged between the top of the tool string 202 and the steel sleeve 100, the annular space is arranged around the periphery of the tool string 202, an annular air bag 700 is embedded in the annular space, the internal pressure of the annular air bag 700 is smaller than a set pressure value, the lower portion of the annular air bag 700 is embedded in the annular space, and the upper portion of the annular air bag 700 extends to the position above the tool string 202.
The internal pressure of annular gasbag 700 is less than the set pressure value, like this, annular gasbag 700 can not restrict the straightness regulation of hanging down of steel tubular construction post, be convenient for warp, and annular gasbag 700 can play the effect of interim support to the top of instrument post 202, jack 400 carries out the straightness regulation of hanging down in the periphery of steel tubular construction post, the top of instrument post 202 then utilizes annular gasbag 700 to carry out interim location, the straightness regulation of hanging down of the steel tubular construction post of being convenient for and the interim support of adjustment in-process.
The lower part of the annular air bag 700 is in a conical shape with a small lower part and a large upper part, so that the annular air bag 700 is conveniently embedded into the annular space, and the lower part of the annular air bag 700 can temporarily support the tool column 202 without limiting the verticality adjustment of the jack 400 on the steel pipe structure column.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The reverse construction method steel pipe structure post rear insertion method positioning construction structure is characterized by comprising a pile hole, a steel sleeve sleeved on the inner side wall of the pile hole and a steel pipe structure post which is arranged in the pile hole in a downward inserting mode, wherein a cast-in-place pile is arranged at the bottom of the pile hole, the steel pipe structure post comprises a steel pipe post and a tool post which is connected to the top of the steel pipe post in an opposite connecting mode, and an insertion section which is inserted into the cast-in-place pile is arranged at the bottom of the steel pipe post;
the periphery of the steel pipe column is provided with a plurality of jacks which are horizontally arranged, the jacks are arranged on the same horizontal plane, the inner ends of the jacks are fixedly abutted against the outer side wall of the steel pipe column, and the telescopic shafts of the jacks are arranged towards the inner side wall of the steel sleeve; an ultrasonic probe is placed in the steel pipe structure column and is arranged along the central axis of the pile hole, and the ultrasonic probe is placed in the insertion section;
on the same horizontal plane, the ultrasonic probe acquires perpendicularity data of the steel pipe column by detecting distance data between a plurality of positions on the inner side wall of the steel pipe column and the central axis of the pile hole, and a plurality of jacks are pressed against the inner side wall of the steel sleeve through telescopic shafts to stretch out and draw back to adjust the angle of the steel pipe column according to the perpendicularity data until the perpendicularity data acquired by the ultrasonic probe meets set requirements.
2. The reverse construction steel tubular structure column back-inserting positioning construction structure of claim 1, wherein the diameter of the cast-in-place pile is greater than that of the steel tubular structure column.
3. The reverse construction steel pipe structure column back-insert positioning construction structure according to claim 1, wherein a lifting belt is connected to the jack.
4. The reverse construction method steel pipe structure column rear insertion method positioning construction structure according to any one of claims 1 to 3, wherein a plurality of horizontally arranged fixing frames are arranged on the periphery of the steel pipe column, the fixing frames are located on the same horizontal plane, fixing grooves with top openings are formed in the fixing frames, the jacks are fixed in the fixing grooves, and through holes for the telescopic shafts of the jacks to penetrate through are formed in the outer ends of the fixing frames.
5. The reverse construction steel pipe structure column back-insert positioning construction structure as claimed in claim 4, wherein the top opening of the fixing groove has a size larger than that of the jack.
6. The reverse construction steel pipe structure column rear insertion positioning construction structure according to claim 4, wherein a horizontally arranged fixing ring is provided at an outer circumference of the steel pipe column, the fixing ring is circumferentially arranged along the outer circumference of the steel pipe column, and a plurality of the fixing frames are provided at the fixing ring.
7. The reverse construction method steel pipe structure column rear insertion positioning construction structure according to claim 4, wherein an inner elastic structure is inserted into the fixing groove, the inner elastic structure comprises an inner abutting plate abutting against an inner end of the fixing groove and an inner bending piece arranged on the inner abutting plate, the inner bending piece is arranged in a bending way towards an inner end of the jack, the inner end of the jack abuts against the inner elastic piece to be bent and deformed towards the inner abutting plate, and the lifting belt is connected with the inner abutting plate.
8. The reverse construction steel pipe structural column rear insertion positioning construction structure according to claim 7, wherein an outer elastic structure is provided in an outer end of the fixing groove, the outer elastic structure includes an outer abutting plate abutting on the outer end of the fixing groove and an outer bent piece provided on the outer abutting plate, the outer bent piece is bent toward an outer end of the jack, and the outer end of the jack presses the outer elastic piece to be bent toward the outer abutting plate.
9. The reverse construction steel pipe structural column back-plug positioning construction structure according to any one of claims 1 to 3, wherein an annular space is provided between the top of the tool column and the steel casing, the annular space is arranged around the outer circumference of the tool column, an annular air bag is embedded in the annular space, the inner pressure of the annular air bag is less than a set pressure value, the lower part of the annular air bag is embedded in the annular space, and the upper part of the annular air bag extends to the upper part of the tool column.
10. The reverse construction steel pipe structure column back-insert positioning construction structure according to claim 9, wherein the lower portion of the annular air bag is in a tapered shape having a smaller lower portion and a larger upper portion.
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| CN202111520810.6A CN114277802B (en) | 2021-12-13 | 2021-12-13 | Post-insertion method positioning construction structure for reverse construction method steel pipe structural column |
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| CN202111520810.6A CN114277802B (en) | 2021-12-13 | 2021-12-13 | Post-insertion method positioning construction structure for reverse construction method steel pipe structural column |
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| CN114277802B CN114277802B (en) | 2023-08-25 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210832A (en) * | 1995-02-01 | 1996-08-20 | Kajima Corp | Method for measuring distortion of underwater cylindrical pile |
| JP2014080836A (en) * | 2012-10-18 | 2014-05-08 | Taisei Corp | Vertical accuracy management method of under-ground piled column |
| CN206113915U (en) * | 2016-08-29 | 2017-04-19 | 深圳兴通成机电技术有限公司 | Verticality detector |
| CN110016910A (en) * | 2019-04-26 | 2019-07-16 | 重庆交通大学 | Gasbag-type high-precision positioner and construction method can be recycled in a kind of steel pipe post stake |
| CN110219326A (en) * | 2019-05-23 | 2019-09-10 | 海天建设集团有限公司 | The underwater vertical adjustment construction technology of inverse method one-column one-pile |
| CN212358284U (en) * | 2020-07-23 | 2021-01-15 | 中铁五局集团第四工程有限责任公司 | Construction structure of permanent steel-pipe column of lid digs contrary process |
| CN112900450A (en) * | 2021-01-20 | 2021-06-04 | 深圳市工勘岩土集团有限公司 | Rotary drilling and full-rotation combined back-inserting method positioning method for steel pipe structure pile by reverse construction method |
-
2021
- 2021-12-13 CN CN202111520810.6A patent/CN114277802B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210832A (en) * | 1995-02-01 | 1996-08-20 | Kajima Corp | Method for measuring distortion of underwater cylindrical pile |
| JP2014080836A (en) * | 2012-10-18 | 2014-05-08 | Taisei Corp | Vertical accuracy management method of under-ground piled column |
| CN206113915U (en) * | 2016-08-29 | 2017-04-19 | 深圳兴通成机电技术有限公司 | Verticality detector |
| CN110016910A (en) * | 2019-04-26 | 2019-07-16 | 重庆交通大学 | Gasbag-type high-precision positioner and construction method can be recycled in a kind of steel pipe post stake |
| CN110219326A (en) * | 2019-05-23 | 2019-09-10 | 海天建设集团有限公司 | The underwater vertical adjustment construction technology of inverse method one-column one-pile |
| CN212358284U (en) * | 2020-07-23 | 2021-01-15 | 中铁五局集团第四工程有限责任公司 | Construction structure of permanent steel-pipe column of lid digs contrary process |
| CN112900450A (en) * | 2021-01-20 | 2021-06-04 | 深圳市工勘岩土集团有限公司 | Rotary drilling and full-rotation combined back-inserting method positioning method for steel pipe structure pile by reverse construction method |
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| CN114277802B (en) | 2023-08-25 |
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