CN113445522A - Device and method for limiting accurate sinking of double-wall steel cofferdam in deepwater torrent river - Google Patents
Device and method for limiting accurate sinking of double-wall steel cofferdam in deepwater torrent river Download PDFInfo
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- CN113445522A CN113445522A CN202110780316.7A CN202110780316A CN113445522A CN 113445522 A CN113445522 A CN 113445522A CN 202110780316 A CN202110780316 A CN 202110780316A CN 113445522 A CN113445522 A CN 113445522A
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- steel cofferdam
- wall steel
- positioning pile
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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- 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
- Y02E10/20—Hydro energy
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- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- Revetment (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention belongs to the technical field of bridge construction, and discloses a double-wall steel cofferdam accurate sinking limiting device in a deepwater torrent river, which comprises a cantilever beam and a positioning pile, wherein the cantilever beam is connected with a connecting rod, the connecting rod is connected with a supporting rod and a correcting bolt, the supporting rod is slidably penetrated with a measuring rod, the measuring rod is penetrated with a second spring, the positioning pile is welded with a guide post and a first spring, and the first spring is welded with a limiting barrel; a method for accurately sinking a double-wall steel cofferdam in a deepwater torrent river comprises the following steps: s1: welding a connecting rod on a cantilever beam of the construction platform; s2, S3: the connecting rod is connected with a correcting bolt, a measuring rod and a second spring; s4: lowering and adjusting the positioning pile; s5: welding a guide post and a first spring on the positioning pile, and welding a limiting cylinder at the free end of the first spring; s7: sinking and adjusting the double-wall steel cofferdam; the invention solves the problems that the double-wall steel cofferdam in the prior art can not sink accurately in deep water and is difficult to rectify after deviation occurs, and is suitable for sinking of the double-wall steel cofferdam in a deep water torrent river.
Description
Technical Field
The invention relates to the technical field of bridge deepwater foundation construction, in particular to a device for accurately limiting the sinking of a double-wall steel cofferdam in a deepwater torrent river.
Background
In recent years, with the continuous development of the construction of national traffic infrastructure, more and more bridges are used for crossing large rivers, steel cofferdams are generally adopted in the construction of deep water foundations of bridges, the steel cofferdams are water retaining structures for bearing platform construction, and the commonly used cofferdams can be divided into single-wall type cofferdams and double-wall type cofferdams according to the structures, wherein the double-wall steel cofferdams are used as water retaining peripheral structures of the deep water bridge foundations, and are widely applied to bridge construction in the deep water torrent rivers due to the advantages of large rigidity, high strength, good integrity, capability of bearing large water pressure, capability of reducing the hoisting and construction risks of large hoisting equipment and the like. In the construction process, the key construction technologies of positioning in the sinking process of the double-wall steel cofferdam, deviation correction when the cofferdam deviates, underwater concrete bottom sealing and the like have great difference under different hydrological and geological conditions, particularly when the foundation construction environment is in deep water, the foundation construction environment is influenced by water flow, wind direction, tidal water and the like, the positioning precision of the cofferdam is low, the deviation correction effect is poor, meanwhile, because the dip angle of the rock surface is large, the construction of the high-low blade foot steel cofferdam bottom sealing concrete can generate larger lateral pressure, the whole cofferdam is easy to slide, the verticality deviation of the double-wall steel cofferdam is large, and therefore, the sinking accuracy of the double-wall steel cofferdam and the effective deviation correction during sinking are very key technical points in repairing the double-wall steel cofferdam bridge. At present, no effective solution is provided for the problem that the double-wall steel cofferdam cannot be accurately sunk in deep water and is difficult to rectify after deviation occurs, and the problem needs to be solved by technical personnel in the field urgently.
Disclosure of Invention
The invention aims to provide a device and a method for limiting the accurate sinking of a double-wall steel cofferdam in a deepwater torrent river, and aims to solve the problems that the double-wall steel cofferdam in the prior art cannot accurately sink in deepwater and is difficult to correct after deviation occurs.
In order to achieve the above purpose, the invention provides the following technical scheme:
the device comprises a cantilever beam and a positioning pile, wherein a plurality of connecting rods are fixedly connected to the cantilever beam, the connecting rods are connected end to form a polygon, the positioning pile is arranged on the inner side of the polygon, a guide post and a first spring are fixedly connected to the positioning pile, the guide post is arranged in the first spring in a penetrating mode, a limiting barrel is connected to the free end of the first spring, the guide post is connected with the limiting barrel in a sliding mode, the free end of the limiting barrel abuts against the double-wall steel cofferdam, a correcting bolt is connected to the connecting rod through threads, and the free end of the correcting bolt abuts against the positioning pile.
Further, the free end of correction bolt articulates there is first backup pad, first backup pad with the spud butt.
Through the setting, the contact area of the positioning pile is increased by the correction bolt, the deviation rectification efficiency of the positioning pile is high by the correction bolt, and the fastening and supporting effects on the positioning pile are good.
Furthermore, two adjacent connecting rods are connected with a supporting rod, the supporting rod penetrates through the connecting rod in a sliding mode, the measuring rod is provided with scale marks, and the free end of the measuring rod is abutted to the positioning pile.
Through the arrangement, the positioning pile is visual in adjustment and high in adjustment accuracy, and the accuracy and the perpendicularity of the position of the positioning pile can be guaranteed.
Furthermore, the free end of the measuring rod is hinged with a second supporting plate, the second supporting plate is abutted to the positioning pile, the supporting rod is further connected with a second spring, and the free end of the second spring is connected with the second supporting plate.
Through the arrangement, the second spring is equivalent to a damping spring, so that the positioning pile is prevented from being in rigid contact with the supporting rod, a certain buffering effect is realized on impact force, and the collision damage of the supporting rod is reduced.
Further, first backup pad with the second backup pad is the arc, first backup pad with the arc internal diameter of second backup pad with the external diameter of spud equals.
Through the setting, the supporting plate has good contact effect with the positioning pile, and the accuracy and the perpendicularity of the position of the positioning pile are further improved in the process of placing the positioning pile in construction.
The method for accurately sinking the double-wall steel cofferdam in the deep water torrent river comprises the following steps:
s1: two sections of cantilever beams are obtained by extending a guide frame outwards on a construction platform, a plurality of connecting rods with threads are welded between the two sections of cantilever beams, and the connecting rods are connected end to form a polygon;
s2: the threaded hole of the connecting rod is used for connecting a correcting bolt, and the free end of the correcting bolt is hinged with an arc-shaped first supporting plate;
s3: a support rod provided with a through hole is welded between two adjacent connecting rods, one end of the measuring rod is hinged with a second support plate, the measuring rod sequentially passes through the through holes of the second spring and the support rod, and two ends of the second spring are respectively abutted against the second support plate and the support rod;
s4: the positioning pile is hoisted into a polygon formed by a plurality of connecting rods by utilizing a crawler crane, the positioning pile is beaten by utilizing a vibration hammer, the arc surfaces of a first supporting plate and a second supporting plate are clung to the outer wall of the positioning pile in the process of beating the positioning pile, the verticality of the positioning pile is observed by virtue of scale marks on measuring rods, the positioning pile is corrected by screwing a correcting bolt, the positioning pile is beaten until the positioning pile meets the requirement of a final pile, and the scale marks of all the measuring rods extending out of the supporting rods are equal to indicate that the obtained positioning pile is accurate in position and is vertical to the water surface;
s5: welding a guide post and a first spring on one side, close to the double-wall steel cofferdam, of the outer wall of the positioning pile, and welding a limiting barrel at the free end of the first spring, so that the guide post penetrates through the limiting barrel;
s6: uniformly arranging six limiting devices around the double-wall steel cofferdam according to the steps S1-S5;
s7: the double-wall steel cofferdam is hung on the water surface to a hexagon formed by surrounding six limiting devices by using a suspension system, then the double-wall steel cofferdam is slowly filled with water and sinks downwards, in the sinking process, the outer wall of the double-wall steel cofferdam is ensured to be tightly attached to the limiting cylinders of the six limiting devices, if the scale marks of the measuring rods extending out of the supporting rods are not consistent, the double-wall steel cofferdam is deflected, the sinking of the double-wall steel cofferdam is suspended, the deflection of the double-wall steel cofferdam causes that the six positioning piles cannot simultaneously guarantee perpendicularity, the positioning piles are corrected according to the step S4, and the double-wall steel cofferdam is ensured to sink again under the condition that the six positioning piles are all perpendicular to the water surface;
s8: and repeating the step S7 until the double-wall steel cofferdam is sunk to the designated position.
The technical scheme provided by the invention has the following beneficial effects:
1. the sinking and deviation rectifying of the double-wall steel cofferdam are ensured by pulling a large number of guys, and the large number of guys have larger potential safety hazards to nearby channels;
2. the correcting bolts and the measuring rods are arranged around the positioning piles, so that the positioning piles can be adjusted and corrected conveniently, the sinking positions of the positioning piles are accurate, and the precise positioning of the double-wall steel cofferdam is facilitated;
3. the rigid-flexible combined sinking device has the advantages that in the sinking process of the double-wall steel cofferdam, the rigid structure can limit the double-wall steel cofferdam from large deviation in the sinking process, and the rigid structure has a guiding effect on the sinking of the double-wall steel cofferdam, so that the accuracy of the sinking position is improved; the flexible structure makes and is equivalent to being equipped with "damping" between double-walled steel cofferdam and the spud, and when the double-walled steel cofferdam took place the skew and the spud contact, the flexible structure had certain cushioning effect to its impact force, avoids the two to take place the rigidity collision, bumps hard and leads to the damage of spud or the condemned condition emergence easily, ensures the engineering progress, reduces economic loss.
Drawings
FIG. 1 is a schematic structural diagram of a precise sinking limiting device of a double-wall steel cofferdam in a deepwater torrent river;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged partial view at B of FIG. 2;
the names of corresponding labels in the drawings are:
Detailed Description
The invention is described in further detail below with reference to the following figures and embodiments:
as shown in fig. 1 to 3, a double-wall steel cofferdam accurate sinking limiting device in deep water torrent river comprises a cantilever beam 1 and a positioning pile 3, wherein the cantilever beam 1 is fixedly connected with four connecting rods 2, the four connecting rods 2 are connected end to form a quadrangle, a supporting rod 11 is welded between every two adjacent connecting rods 2, the supporting rod 11 is slidably penetrated by a measuring rod 10, a scale mark is arranged on the measuring rod 10, a second spring 9 is penetrated by the measuring rod 10, the free end of the measuring rod 10 is hinged with a second supporting plate 12, the second spring 9 is arranged between the second supporting plate 12 and the supporting rod 11, the second supporting plate 12 is abutted against the positioning pile 3, the positioning pile 3 is arranged on the inner side of the quadrangle, the positioning pile 3 is welded with a guide post 4 and a first spring 6, the guide post 4 is penetrated by the first spring 6, the free end of the first spring 6 is welded with a limiting cylinder 5, the guide post 4 is slidably connected with the limiting cylinder 5, the free end of a spacing section of thick bamboo 5 and 13 butts of double-walled steel cofferdam, connecting rod 2 has correction bolt 7 through threaded connection, and correction bolt 7's free end articulates there is first backup pad 8, and first backup pad 8 and 3 butts of spud pile, first backup pad 8 and second backup pad 12 are the arc, and the arc internal diameter of first backup pad 8 and second backup pad 12 equals with the external diameter of spud pile 3.
The method for accurately sinking the double-wall steel cofferdam in the deep water torrent river comprises the following steps:
s1: the construction method comprises the following steps that two sections of cantilever beams 1 are obtained by extending a guide frame outwards on a construction platform, four connecting rods 2 with threads are welded between the two sections of cantilever beams 1, and the four connecting rods 2 are connected end to form a quadrangle;
s2: a threaded hole of the connecting rod 2 is used for connecting a correcting bolt 7, and an arc-shaped first supporting plate 8 is hinged to the free end of the correcting bolt 7;
s3: a supporting rod 11 provided with a through hole is welded between adjacent connecting rods 2, one end of a measuring rod 10 is hinged with a second supporting plate 12, the measuring rod 10 sequentially passes through the through holes of a second spring 9 and the supporting rod 11, and two ends of the second spring 9 are respectively abutted against the second supporting plate 12 and the supporting rod 11;
s4: the positioning pile 3 is hoisted into a quadrangle formed by four connecting rods 2 by using a crawler crane, a vibration hammer is used for beating the positioning pile 3, the arc surfaces of a first supporting plate 8 and a second supporting plate 12 are attached to the outer wall of the positioning pile 3 in the process of beating the positioning pile 3, the verticality of the positioning pile 3 is observed by means of scale marks on measuring rods 10, the correcting bolt 7 is screwed to correct the positioning pile 3, the positioning pile 3 is beaten until the positioning pile 3 meets the requirement of a final pile, and the scale marks of the measuring rods 10 extending out of the supporting rods 11 are equal, so that the obtained positioning pile 3 is accurate in position and is perpendicular to the water surface;
s5: a guide post 4 and a first spring 6 are welded on one side, close to a double-wall steel cofferdam 13, of the outer wall of the positioning pile 3, a limiting barrel 5 is welded at the free end of the first spring 6, and the guide post 4 is made to penetrate through the limiting barrel 5;
s6: uniformly arranging six limiting devices around the double-wall steel cofferdam 13 according to the steps S1-S5;
s7: the double-wall steel cofferdam 13 is hung on the water surface to a hexagon formed by surrounding six limiting devices by using a suspension system, then the double-wall steel cofferdam 13 is slowly filled with water and sinks, in the sinking process, the outer wall of the double-wall steel cofferdam 13 is ensured to be tightly attached to the limiting cylinders 5 of the six limiting devices, if the scale marks of the measuring rod 10 extending out of the supporting rod 11 are not consistent, the double-wall steel cofferdam 13 is deviated, the sinking of the double-wall steel cofferdam 13 is suspended, the deviation of the double-wall steel cofferdam 13 causes that the six positioning piles 3 cannot simultaneously guarantee the verticality, the positioning piles 3 are corrected according to the step S4, and the double-wall steel cofferdam 13 is ensured to sink again under the condition that the six positioning piles 3 are all vertical to the water surface;
s8: and repeating the step S7 until the double-wall steel cofferdam 13 sinks to the designated position.
The above description is only an example of the present invention, and the common general knowledge of the technical solutions or characteristics known in the solutions is not described herein too much. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The utility model provides an accurate stop device that sinks of double-walled steel cofferdam in deep water torrent river which characterized in that: the steel cofferdam comprises a cantilever beam (1) and a positioning pile (3), wherein a plurality of connecting rods (2) are fixedly connected to the cantilever beam (1), the connecting rods (2) are connected end to form a polygon, the positioning pile (3) is arranged on the inner side of the polygon, a guide post (4) and a first spring (6) are fixedly connected to the positioning pile (3), the guide post (4) is arranged in the first spring (6) in a penetrating mode, a limiting barrel (5) is connected to the free end of the first spring (6), the guide post (4) is connected with the limiting barrel (5) in a sliding mode, the free end of the limiting barrel (5) is abutted to a double-wall steel cofferdam (13), a correcting bolt (7) is connected to the connecting rod (2) through threads, and the free end of the correcting bolt (7) is abutted to the positioning pile (3).
2. The precise sinking limiting device for the double-wall steel cofferdam in the deep water rapid river according to the claim 1 is characterized in that: the free end of correcting bolt (7) articulates there is first backup pad (8), first backup pad (8) with spud (3) butt.
3. The precise sinking limiting device for the double-wall steel cofferdam in the deep water rapid river according to the claim 2, characterized in that: two adjacent connecting rods (2) are connected with a supporting rod (11), the supporting rod (11) penetrates through a measuring rod (10) in a sliding mode, scale marks are arranged on the measuring rod (10), and the free end of the measuring rod (10) is abutted to the positioning pile (3).
4. The precise sinking limiting device for the double-wall steel cofferdam in the deep water rapid river according to the claim 3, characterized in that: the free end of the measuring rod (10) is hinged to a second supporting plate (12), the second supporting plate (12) is abutted to the positioning pile (3), the supporting rod (11) is further connected with a second spring (9), and the free end of the second spring (9) is connected with the second supporting plate (12).
5. The precise sinking limiting device for the double-wall steel cofferdam in the deep water rapid river according to claim 4, characterized in that: the first supporting plate (8) and the second supporting plate (12) are both arc-shaped plates, and the arc-shaped inner diameter of the first supporting plate (8) and the second supporting plate (12) is equal to the outer diameter of the positioning pile (3).
6. The method for accurately sinking the double-wall steel cofferdam in the deep water torrent river is characterized by comprising the following steps of:
s1: two sections of cantilever beams (1) are obtained by extending a guide frame outwards on a construction platform, a plurality of connecting rods (2) with threads are welded between the two sections of cantilever beams (1), and the connecting rods (2) are connected end to form a polygon;
s2: a threaded hole of the connecting rod (2) is used for connecting a correcting bolt (7), and an arc-shaped first supporting plate (8) is hinged to the free end of the correcting bolt (7);
s3: a supporting rod (11) provided with a through hole is welded between every two adjacent connecting rods (2), one end of a measuring rod (10) is hinged with a second supporting plate (12), the measuring rod (10) sequentially penetrates through the through holes of a second spring (9) and the supporting rod (11), and two ends of the second spring (9) are respectively abutted to the second supporting plate (12) and the supporting rod (11);
s4: the positioning pile (3) is hoisted into a polygon formed by a plurality of connecting rods (2) by utilizing a crawler crane, the positioning pile (3) is beaten by utilizing a vibration hammer, the arc surfaces of a first supporting plate (8) and a second supporting plate (12) are clung to the outer wall of the positioning pile (3) in the process of beating the positioning pile (3), the verticality of the positioning pile (3) is observed by means of scale marks on measuring rods (10), the positioning pile (3) is corrected by screwing a correcting bolt (7), the positioning pile (3) is beaten until the positioning pile (3) meets the requirement of a final pile, the scale marks of all the measuring rods (10) extending out of the supporting rods (11) are equal, the obtained positioning pile (3) is accurate in position and is vertical to the water surface;
s5: welding a guide post (4) and a first spring (6) on one side, close to the double-wall steel cofferdam (13), of the outer wall of the positioning pile (3), welding a limiting cylinder (5) at the free end of the first spring (6), and enabling the guide post (4) to penetrate through the limiting cylinder (5);
s6: uniformly arranging six limiting devices around the double-wall steel cofferdam (13) according to the steps S1-S5;
s7: the double-wall steel cofferdam (13) is hung on the water surface to a hexagon formed by surrounding six limiting devices by using a suspension system, then the double-wall steel cofferdam (13) is slowly filled with water downwards to sink, in the sinking process, the outer wall of the double-wall steel cofferdam (13) is ensured to be tightly attached to the limiting cylinders (5) of the six limiting devices, if the scale marks of the measuring rod (10) extending out of the supporting rod (11) are not consistent, the double-wall steel cofferdam (13) deviates, the sinking of the double-wall steel cofferdam (13) is suspended, the six positioning piles (3) cannot simultaneously guarantee the verticality due to the deviation of the double-wall steel cofferdam (13), the positioning piles (3) are corrected according to the step S4, and the double-wall steel cofferdam (13) is ensured to sink again under the condition that the six positioning piles (3) are all vertical to the water surface;
s8: and (8) repeating the step (S7) until the double-wall steel cofferdam (13) sinks to the designated position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110780316.7A CN113445522B (en) | 2021-07-09 | 2021-07-09 | Device and method for limiting accurate sinking of double-wall steel cofferdam in deepwater torrent river |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110780316.7A CN113445522B (en) | 2021-07-09 | 2021-07-09 | Device and method for limiting accurate sinking of double-wall steel cofferdam in deepwater torrent river |
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| CN113445522A true CN113445522A (en) | 2021-09-28 |
| CN113445522B CN113445522B (en) | 2022-08-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115573333A (en) * | 2022-09-02 | 2023-01-06 | 中铁一局集团有限公司 | Calibration pile casing for micro steel pipe mixing pile of soft sea-land interactive deposition silt layer and construction method of mixing pile |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008175059A (en) * | 2008-03-05 | 2008-07-31 | Penta Ocean Construction Co Ltd | Temporary cofferdam work caisson and its installation method |
| JP2009156010A (en) * | 2007-12-27 | 2009-07-16 | Chowa Kogyo Kk | Pile punching machine alignment method and device |
| CN204645046U (en) * | 2015-05-04 | 2015-09-16 | 中铁六局集团有限公司 | Interior island guiding device |
| CN209397602U (en) * | 2018-11-16 | 2019-09-17 | 中交二航局第二工程有限公司 | Half-open box-like steel-pipe pile based on trestle stake is guide locating device provided |
| CN110409477A (en) * | 2019-07-12 | 2019-11-05 | 中铁大桥勘测设计院集团有限公司 | A kind of steel lifted trunk anti-surge interior support system and its construction method |
| CN211113702U (en) * | 2019-09-25 | 2020-07-28 | 浙江省大成建设集团有限公司 | Steel bushing box self-adaptation auxiliary positioning device that sinks |
| CN211285574U (en) * | 2019-10-24 | 2020-08-18 | 北京航勘建设有限公司 | Reinforcement cage installation guiding device for pile foundation construction |
-
2021
- 2021-07-09 CN CN202110780316.7A patent/CN113445522B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009156010A (en) * | 2007-12-27 | 2009-07-16 | Chowa Kogyo Kk | Pile punching machine alignment method and device |
| JP2008175059A (en) * | 2008-03-05 | 2008-07-31 | Penta Ocean Construction Co Ltd | Temporary cofferdam work caisson and its installation method |
| CN204645046U (en) * | 2015-05-04 | 2015-09-16 | 中铁六局集团有限公司 | Interior island guiding device |
| CN209397602U (en) * | 2018-11-16 | 2019-09-17 | 中交二航局第二工程有限公司 | Half-open box-like steel-pipe pile based on trestle stake is guide locating device provided |
| CN110409477A (en) * | 2019-07-12 | 2019-11-05 | 中铁大桥勘测设计院集团有限公司 | A kind of steel lifted trunk anti-surge interior support system and its construction method |
| CN211113702U (en) * | 2019-09-25 | 2020-07-28 | 浙江省大成建设集团有限公司 | Steel bushing box self-adaptation auxiliary positioning device that sinks |
| CN211285574U (en) * | 2019-10-24 | 2020-08-18 | 北京航勘建设有限公司 | Reinforcement cage installation guiding device for pile foundation construction |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115573333A (en) * | 2022-09-02 | 2023-01-06 | 中铁一局集团有限公司 | Calibration pile casing for micro steel pipe mixing pile of soft sea-land interactive deposition silt layer and construction method of mixing pile |
| CN115573333B (en) * | 2022-09-02 | 2024-05-03 | 中铁一局集团有限公司 | Calibration pile casing of mini-type steel pipe mixing pile for soft sea Liu Jiaohu phase sediment silt layer and construction method of mixing pile |
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| CN113445522B (en) | 2022-08-23 |
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