CN114134898A - Top-down construction method one-pile one-column connecting structure and construction method thereof - Google Patents
Top-down construction method one-pile one-column connecting structure and construction method thereof Download PDFInfo
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- CN114134898A CN114134898A CN202111422526.5A CN202111422526A CN114134898A CN 114134898 A CN114134898 A CN 114134898A CN 202111422526 A CN202111422526 A CN 202111422526A CN 114134898 A CN114134898 A CN 114134898A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/36—Columns; Pillars; Struts of materials not covered by groups E04C3/32 or E04C3/34; of a combination of two or more materials
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Abstract
The utility model relates to a field of construction, a connection structure of a reverse construction method stake a post, including steel pipe column casing and the reinforcing bar post of setting at its upper end, be provided with coupling assembling between the two, coupling assembling is including fixing at the inside first connecting plate of steel pipe column casing and fixing the second connecting plate on the reinforcing bar post. A construction method for one-pile one-column connection by reverse construction method comprises the following steps: s1: measuring the coordinates of the constructed steel tube column; s2: reserving post-cast strip space of at least 300 centimeters in the steel tube column; s3: hoisting the steel skeleton column and inserting the first connecting plate into the steel pipe column casing, rechecking the position of the steel pipe column on site, correcting the position of the steel pipe column with the position of a drawing, and properly adjusting the position of the steel skeleton column according to the deviation condition; s4: installing the two semicircular plates at the opening of the steel tube column casing; s5: pouring concrete into the post-cast strip space reserved in the steel tube column casing. This application has the effect that improves a stake a post connected node structural strength.
Description
Technical Field
The application relates to the field of building construction, in particular to a connecting structure node of a top-down construction method pile and a column and a construction method thereof.
Background
At present, in the construction process of a foundation pit by a reverse construction method, one column and one pile are used as permanent structures and are main vertical stress components. The common construction process of the reverse construction method comprises the steps of firstly constructing one column and one pile, then excavating the earthwork of the first layer of the foundation pit, connecting an upper steel structure with one column and one pile of steel pipe piles at the lower part when constructing the first layer plate of the basement, then binding reinforcing steel bars of the first layer plate of the basement and pouring concrete. And after the first floor of the basement is finished, next earthwork is dug underground, and the upper steel structure can be hoisted synchronously.
The advantage of doing the construction in the reverse can effectively control the influence of foundation ditch to the surrounding environment, simultaneously because the basement roof that forms at first can regard as interior temporary stock dump of material and temporary road, is applicable to the narrow and small and peripheral deep foundation ditch engineering that has key protection unit in place. The verticality control of one column and one pile is one of key technologies of reverse construction, and due to the fact that the measurement paying-off error is too large, the construction process, the geological conditions and the like, the position of one column and one pile which are constructed in advance often can be deviated to a certain degree, and then the lower inserted column of the upper steel structure and one column and one pile can not be concentric, so that the eccentric stress of one column and one pile is caused, and the engineering quality and the structural safety are directly influenced.
Disclosure of Invention
In order to improve the structural strength of a pile-column connecting node, the application provides a connecting structure node of a top-down construction method pile-column and a construction method thereof.
The application provides a connection structure of a reverse construction method stake adopts following technical scheme:
the utility model provides a connection structure of a reverse construction method stake a post, is including setting up the steel pipe column casing in the inside of foundation ditch, the inside packing of steel pipe column casing has the concrete, the upper end of steel pipe column casing is provided with the reinforcing bar post, be provided with between steel pipe column casing and the reinforcing bar post and connect coupling assembling between them, coupling assembling fixes the second connecting plate on the reinforcing bar post including pegging graft at the inside first connecting plate of steel pipe column casing and pegging graft, first connecting plate and second connecting plate integrated into one piece.
Through adopting above-mentioned technical scheme, the connection structure that this application set up, at the in-process with steel pipe column casing and reinforcing bar columnar connection, coupling assembling can play error regulation's effect, when steel pipe column casing is when having construction error, first connecting plate can be adjusted inside the steel pipe column casing, with the error that eliminates steel pipe column casing existence, thereby make the reinforcing bar post fixed fix on the steel pipe column casing according to the designing requirement, avoid having eccentric atress between reinforcing bar column and the steel pipe column casing, make the axis of reinforcing bar post and the axis coincidence of steel pipe column casing, thereby the structural strength of connected node between steel pipe column casing and the reinforcing bar post has been increased.
Optionally, a pair of semicircular plates is symmetrically arranged at the opening of the steel tube column, the diameter of each semicircular plate is larger than that of the steel tube column, the splicing positions of the two semicircular plates are provided with elongated insertion ports, the insertion ports allow the connecting assembly to pass through, and the lower end of the steel rib column is fixed on the upper surfaces of the two semicircular plates.
Through adopting above-mentioned technical scheme, a pair of semicircle board that sets up in steel pipe column tube socket department, on the one hand, it is convenient inside inserting the steel pipe column tube with first connecting plate, two halves circular board can the symmetry set up the both sides at coupling assembling, make coupling assembling put into the position department of interface, and with coupling assembling welded fastening, on the other hand, the effect of error regulation can be played to two halves circular board that set up, compensate the error that exists in the steel pipe column tube work progress, because the diameter of two halves circular board is greater than the diameter of steel pipe column tube, two halves circular board can be adjusted according to the bottleneck department level of error at the steel pipe column tube, thereby make the axis coincidence of steel skeleton post and steel pipe column tube, in addition, two halves circular board can increase steel skeleton post and steel pipe column tube welded welding's area, make the more firm of being connected between steel skeleton post and the steel pipe column tube.
Optionally, the circle center positions of the two semicircular plates are provided with pouring openings.
Through adopting above-mentioned technical scheme, after coupling assembling is connected the completion with reinforcing bar post and steel pipe column casing, through pouring the mouth, toward the inside concreting of steel pipe column casing, when increasing reinforcing bar column casing intensity, make the joint strength of first connecting plate and steel pipe column casing better.
Optionally, two sides of the joint of the first connecting plate and the second connecting plate are symmetrically provided with relief ports.
Through adopting above-mentioned technical scheme, at the welded in-process, the mouth of stepping down that sets up can avoid having the welding gap between first connecting plate and second connecting plate and the reinforcing bar post, makes first connecting plate and second connecting plate and reinforcing bar post and two half circular plate welded more firm.
Optionally, a pre-fixing plate is arranged at a position where the lower end of the steel rib column is connected with the two semicircular plates.
Through adopting above-mentioned technical scheme, two semicircle boards when installing on the steel tube column section of thick bamboo, can carry out spot welding in advance through fixed plate in advance with the reinforcing bar post earlier, then according to the result after the rechecking, adjust the skew error that exists, avoid reinforcing bar post and semicircle board full weld welding back, be unfavorable for the error adjustment in later stage, after the error adjustment is accomplished, are being fixed with two semicircle boards and steel tube column section of thick bamboo upper end welded.
Optionally, the inner surface of the steel rib column near one end of the steel tube column casing is provided with a plurality of steel reinforcement ribs, the steel reinforcement ribs are all provided with pouring holes, and the outer surface of the steel rib column is provided with a plurality of steel reinforcement connecting plates.
By adopting the technical scheme, the arranged steel reinforcement rib plate can increase the strength of the steel column; when concrete is poured outside the steel rib column, the arranged pouring holes can enable the concrete to be poured more compactly, and concrete cavities are avoided; the steel bar connecting plate is convenient to be welded and fixed with the steel rib crossbeam.
Optionally, the outer surface of the steel rib column casing and the outer surface of the steel rib column are fixedly connected with a plurality of studs.
Through adopting above-mentioned technical scheme, when the outside concreting of steel pipe column casing and reinforcing bar post outside, the pin that sets up can increase the interlock with the concrete, avoids layering between outsourcing concrete and the steel construction.
Optionally, an inclined groove is arranged at the outer edge where the steel rib column is connected with the two semicircular plates.
Through adopting above-mentioned technical scheme, the groove that sets up can increase the welding strength of reinforcing bar post lower extreme and semicircle board, makes to realize the complete weld between the two, avoids the thickness of reinforcing bar post to be thicker, causes the welding insecure.
The application provides a reverse construction method for one-pile one-column connection, which adopts the following technical scheme:
a construction method for one-pile one-column connection by a reverse construction method comprises the following steps:
s1: positioning measurement, namely measuring the coordinates of the constructed steel pipe column casing;
s2: trimming the steel pipe column casing, cutting the height of the steel pipe column casing to a construction height, and reserving or chiseling a post-cast strip space of at least 300 centimeters in the steel pipe column casing;
s3: the method comprises the following steps of installing a connecting assembly, wherein a second connecting plate and a steel column are welded and fixed in advance before the connecting assembly is installed, the steel column is hoisted, a first connecting plate is inserted into a steel tube column casing, the position of the steel tube column is rechecked on site and is corrected with the position of a drawing, the position of the steel column is properly adjusted according to the deviation condition, the deviation error is made up, and finally the steel column and the steel tube column casing are welded and fixed in advance;
s4: installing a semicircular plate, installing the two semicircular plates at the opening of the steel tube column casing, adjusting errors, pre-fixing the two semicircular plates through a pre-fixing plate, welding and fixing the two semicircular plates with the steel tube column casing, and finally, performing full-weld welding on the pre-welded position;
s5: and pouring concrete, namely pouring the concrete into a post-pouring belt space reserved in the steel tube column through a pouring opening reserved in the semicircular plate.
By adopting the technical scheme, the construction method can ensure that the installation of the steel rib column and the steel pipe column casing more conforms to a standardized flow, the construction operation steps are simple and quick, unnecessary construction steps are greatly reduced, and the construction efficiency is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the connecting component and the semicircular plate, in the process of connecting the steel tube column and the steel rib column, the connecting component can play a role in adjusting errors, and the phenomenon that eccentric stress exists between the steel rib column and the steel tube column is avoided, so that the axis of the steel rib column is superposed with the axis of the steel tube column, and the structural strength of a connecting node between the steel tube column and the steel rib column is improved; the pair of semicircular plates are matched with the connecting assembly to be used, so that the error adjustment effect is achieved, errors existing in the construction process of the steel tube column can be made up, the diameter of the two semicircular plates is larger than that of the steel tube column, the two semicircular plates can be horizontally adjusted at the opening of the steel tube column according to the errors, the steel rib column is overlapped with the axis of the steel tube column, in addition, the welding area of the steel rib column and the steel tube column can be increased through the two semicircular plates, and the steel rib column and the steel tube column are connected more firmly;
2. when the two semicircular plates are installed on the steel tube column casing, the two semicircular plates can be welded with the steel rib column through the pre-fixing plate in a spot welding mode in advance, then the existing deviation error is adjusted according to the result after rechecking, the situation that after the steel rib column and the semicircular plates are welded in a full-scale mode, error adjustment in the later period is not facilitated is avoided, and after the error adjustment is completed, the two semicircular plates and the upper end of the steel tube column casing are welded and fixed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic view illustrating the steel column casing and the steel column according to the embodiment of the present invention;
FIG. 3 is a step diagram of a construction method according to an embodiment of the present application.
Description of reference numerals: 1. a steel pipe column casing; 2. a steel skeleton column; 3. a connecting assembly; 31. a first connecting plate; 32. a second connecting plate; 33. a semicircular plate; 331. an interface; 332. pouring a mouth; 34. a let position port; 35. pre-fixing a plate; 4. reinforcing rib plates of the steel bars; 41. pouring and tamping holes; 5. a reinforcing steel bar connecting plate; 6. a stud; 7. and (4) beveling.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a connecting structure node of a top-down construction method pile and a column and a construction method thereof. Referring to fig. 1, a connection structure of a reverse construction method stake a post includes vertical setting at the inside steel pipe column casing 1 of foundation ditch and the vertical reinforcing bar post 2 of installing in steel pipe column casing 1 upper end, inside setting at the inside back of foundation ditch when steel pipe column casing 1, steel pipe column casing 1 inside packing concrete, reinforcing bar post 2 is H shaped steel, H shaped steel includes H shaped steel web and a pair of H shaped steel pterygoid lamina of fixed connection in H shaped steel web both sides, be provided with coupling assembling 3 between reinforcing bar post 2 and the steel pipe column casing 1, coupling assembling 3 respectively with reinforcing bar post 2 and steel pipe column casing 1 fixed connection, steel pipe column casing 1 is after the construction completion, can produce certain error, coupling assembling 3 through the setting can compensate the error, make reinforcing bar post 2 install in the standard range of designing requirement.
Referring to fig. 1 and 2, coupling assembling 3 includes first connecting plate 31 and second connecting plate 32, both are the rectangular plate, and both integrated into one piece, first connecting plate 31's area is greater than second connecting plate 32, first connecting plate 31 and second connecting plate 32 form after the cutting of monoblock steel sheet, first connecting plate 31 is pegged graft inside steel pipe column casing 1, second connecting plate 32 and steel skeleton column 2's H shaped steel web and H shaped steel pterygoid lamina fixed connection, steel skeleton column 2 and second connecting plate 32 carry out welded fastening earlier at the construction site, when installing steel pipe column casing 1 with steel skeleton column 2, direct hoist and mount, make first connecting plate 31 peg graft and fix in steel pipe column casing 1 upper end.
The connecting component 3 further comprises a pair of semicircular plates 33, the semicircular plates 33 are arranged at the opening of the upper end of the steel tube column 1, the semicircular plates 33 are positioned between the lower end of the steel rib column 2 and the upper end of the steel tube column 1, the diameter of the semicircular plates 33 is larger than that of the steel tube column 1, the semicircular plates 33 are arranged at the opening of the steel tube column 1 to form a complete circular plate, inserting ports 331 along the diameter direction are arranged at the positions where the semicircular plates 33 are contacted, when the first connecting plate 31 is inserted into the steel tube column 1, a worker installs the semicircular plates 33 at the opening of the steel tube column 1, the arranged inserting ports 331 can avoid the first connecting plate 31 and the second connecting plate 32, after the installation of the semicircular plates 33 is finished, a large gap between the semicircular plates 33 is avoided, the subsequent welding is convenient, and the arranged inserting ports 331 are used, when the first connecting plate 31 is correctly inserted, the worker can fix the first connecting plate 31 on the inner wall of the steel tube column casing 1 through the inserting port 331.
Referring to fig. 1 and 2, after the two semicircular plates 33 are installed at the upper end of the steel tube column 1, a plurality of pre-fixing plates 35 are arranged between the inner side of the H-shaped steel wing plate at the lower end of the steel column 2 and the upper surface of the semicircular plate 33, one side of the pre-fixing plates 35 is spot-welded with the upper surface of the semicircular plate 33, the other side is spot-welded with the inner side of the H-shaped steel wing plate of the steel column 2, the pre-fixing plates 35 can play a role of pre-fixing, so that the lower end of the steel column 2 is fixed with the two semicircular plates 33, when adjusting the error between the steel column 2 and the steel tube column 1, the two semicircular plates 33 can be adjusted at the same time, during the adjustment, the steel column 2 can move the steel column 2 on the steel column 2 according to the error, so as to reduce the error between the two, when the steel column 2 moves to the position required by design, the worker can pass through the spot welding mode, the semicircular plates 33 are temporarily fixed to the upper end of the steel pipe column 1.
Furthermore, relief openings 34 are symmetrically formed in two sides of the connecting position of the first connecting plate 31 and the second connecting plate 32, the relief openings 34 are in a round shape, and in the welding process, the provided relief openings 34 can prevent welding gaps from being formed between the first connecting plate 31 and the steel column 2 and between the second connecting plate 32 and the steel column 2, so that the first connecting plate 31 and the second connecting plate 32 are welded with the steel column 2 and the two semicircular plates 33 more firmly; be provided with the groove 7 that the opening is outside in the H shaped steel pterygoid lamina lower extreme outside of reinforcing bar post 2, groove 7 is crescent from inside to outside, and the groove 7 that sets up can increase the welding strength of reinforcing bar post 2 lower extreme and semicircle board 33, makes and realizes the complete weld between the two, and when H shaped steel pterygoid lamina thickness was thick, the welding of H shaped steel pterygoid lamina and semicircle board 33 can not reach the complete weld, causes the welding insecure easily.
Referring to fig. 1 and 2, a plurality of horizontally arranged steel bar connecting plates 5 are welded on the outer surfaces of two H-shaped steel wing plates of a steel rib column 2, and the arranged steel bar connecting plates 5 are conveniently welded and fixed with a steel rib cross beam.
A plurality of horizontally arranged reinforcing rib plates 4 are arranged between two wing plates of H-shaped steel of the steel reinforced column 2, two ends of each reinforcing rib plate 4 are welded with the two wing plates of the H-shaped steel, one side of each reinforcing rib plate 4 is welded and fixed with the side surface of the web plate of the H-shaped steel, and the arranged reinforcing rib plates 4 can increase the strength of the steel reinforced column 2; the reinforcing rib plate 4 is provided with pouring holes 41, the circle centers of the two semicircular plates 33 are respectively provided with a semicircular pouring opening 332 which are oppositely arranged, when the steel rib column 2 and the steel tube column casing 1 are welded and fixed, concrete needs to be poured inside the steel rib column 2 and the steel tube column casing 1 and outside the steel tube column casing 1, the arranged pouring openings 332 facilitate the concrete to flow into the steel tube column casing 1, in the pouring process, gas inside the steel tube column casing 1 is discharged, and the concrete cavity is prevented from being generated and affecting the strength of the concrete when the concrete is poured; when the concrete is poured outside the steel rib column 2, the arranged pouring holes 41 can enable the concrete to flow more uniformly, and meanwhile, concrete cavities are also avoided.
All weld on the surface of 2 a section of thick bamboos of reinforcing bar post and the H shaped steel pterygoid lamina surfaces of reinforcing bar post 2 and have a plurality of pegs 6, when concreting, the interlock between the peg 6 that sets up can increase and the concrete increases the joint strength between reinforcing bar post 2 and the concrete and between steel pipe column section of thick bamboo 1 and the concrete.
Referring to fig. 1 and 3, the present application discloses a method for constructing a top-down one-pile-one-column connection, including the following steps:
s1: positioning measurement;
after the steel pipe column casing 1 is arranged inside the foundation pit, concrete is poured inside the steel pipe column casing 1, and after pouring is completed, the coordinates of the steel pipe column casing 1 are measured and compared with the design standard.
S2: trimming the steel pipe column casing 1;
in step S1, in order to measure the perpendicularity of the steel pipe column casing 1 conveniently, the height of the steel pipe column casing 1 is high, before the steel rib column 2 is installed, the steel pipe column casing 1 needs to be cut first, the steel pipe column casing 1 is cut to the construction height, the steel rib column 2 is convenient to install and fix subsequently, and then a post-cast strip space of at least 300 centimeters is reserved or chiseled inside the steel pipe column casing 1 for installing the connecting component 3 and pouring concrete.
S3: installing a connecting assembly 3;
in a construction site, a worker firstly welds and fixes the second connecting plate 32 with an H-shaped steel web plate and an H-shaped steel wing plate of the steel reinforced column 2, the height direction of the second connecting plate 32 is the same as the length direction of the steel reinforced column 2, and then the steel reinforced column 2 is hoisted above the steel pipe column casing 1, so that the first connecting plate 31 can be inserted into the steel pipe column casing 1; after the steel rib column 2 is pre-installed above the steel tube column casing 1, the position of the steel tube column casing 1 is rechecked on site, and after rechecking is completed, the position of the steel rib column 2 is adjusted on a construction site according to errors so that the steel rib column 2 can be adjusted to a correct position.
S4: installing a semicircular plate 33;
in step S3, the worker splices and installs the two semicircular plates 33 at the opening of the steel tube column 1, the first connecting plate 31 and the second connecting plate 32 can be arranged on the insertion port 331, and the two semicircular plates 33 are symmetrically arranged at both sides of the first connecting plate 31 and the second connecting plate 32, after the two semicircular plates 33 are installed, a plurality of pre-fixing plates 35 are spot-welded at the inner side of the lower end of the H-shaped steel wing plate of the steel column 2, the pre-fixing plates 35 can be pre-fixed with the two semicircular plates 33, after the fixing is completed, the positions of the two semicircular plates 33 are horizontally adjusted at the opening of the steel tube column 1, again, error adjustment is performed, after the adjustment is completed, the two semicircular plates 33 are welded and fixed with the upper end of the steel tube column 1, after the steel column 2 and the steel tube column 1 are calibrated, full-welding is performed at the pre-welded positions where the grooves 7 at the lower end of the H-shaped steel wing plate are positioned between the two semicircular plates 33, and the semicircular plates 33 are full-welded to the upper end of the steel pipe column 1.
S5: pouring concrete;
in step S4, pouring concrete into the post-pouring zone space inside the steel tube column casing 1 through the pouring opening 332 reserved in the semicircular plate 33, so as to increase the connection strength between the connection assembly 3 and the steel tube column casing 1; and finally, concrete is poured outside the steel tube column casing 1 and the steel rib column 2, and the engagement strength of the concrete is increased through the arranged studs 6.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A connection structure of a reverse construction method pile and a column is characterized in that: including setting up steel pipe column casing (1) inside the foundation ditch, the inside packing of steel pipe column casing (1) has the concrete, the upper end of steel pipe column casing (1) is provided with reinforcing bar post (2), be provided with between steel pipe column casing (1) and reinforcing bar post (2) and connect coupling assembling (3) between them, coupling assembling (3) are fixed first connecting plate (31) and the second connecting plate (32) of pegging graft on reinforcing bar post (2) inside steel pipe column casing (1) including pegging graft, first connecting plate (31) and second connecting plate (32) integrated into one piece.
2. A top-down method one-pile-one-column connecting structure according to claim 1, wherein: the steel tube column comprises a steel tube column barrel (1), and is characterized in that a pair of semicircular plates (33) are symmetrically arranged at the barrel mouth of the steel tube column barrel (1), the diameter of each semicircular plate (33) is larger than that of the steel tube column barrel (1), long strip-shaped insertion ports (331) are formed in the positions where the semicircular plates (33) are spliced, each insertion port (331) is used for allowing a connecting assembly (3) to penetrate through, and the lower end of a steel rib column (2) is fixed on the upper surfaces of the two semicircular plates (33).
3. A top-down method one-pile-one-column connecting structure according to claim 2, wherein: the circle center positions of the two semicircular plates (33) are provided with pouring openings (332).
4. A top-down method one-pile-one-column connecting structure according to claim 1, wherein: the two sides of the joint of the first connecting plate (31) and the second connecting plate (32) are symmetrically provided with relief openings (34).
5. A top-down method one-pile-one-column connecting structure according to claim 1, wherein: a pre-fixing plate (35) is arranged at the position where the lower end of the steel skeleton column (2) is connected with the two semicircular plates (33).
6. A top-down method one-pile-one-column connecting structure according to claim 1, wherein: the steel rib column is characterized in that a plurality of steel rib reinforcing plates (4) are arranged on the inner surface of one end, close to the steel tube column casing (1), of the steel rib column (2), pouring and tamping holes (41) are formed in the steel rib reinforcing plates (4), and a plurality of steel rib connecting plates (5) are arranged on the outer surface of the steel rib column (2).
7. A top-down method one-pile-one-column connecting structure according to claim 1, wherein: the outer surface of a steel rib column (2) section of thick bamboo and the equal fixedly connected with of outer surface of steel rib column (2) a plurality of pegs (6).
8. A top-down method one-pile-one-column connecting structure according to claim 1, wherein: an inclined groove (7) is arranged at the outer edge where the steel skeleton column (2) is connected with the two semicircular plates (33).
9. A construction method for one-pile one-column connection by a reverse construction method is characterized by comprising the following steps: the method comprises the following steps:
s1: positioning measurement, namely measuring the coordinates of the constructed steel pipe column casing (1);
s2: trimming the steel pipe column casing (1), cutting the height of the steel pipe column casing (1) to a construction height, and reserving or chiseling a post-cast strip space of at least 300 centimeters in the steel pipe column casing (1);
s3: the method comprises the following steps of installing a connecting assembly (3), welding and fixing a second connecting plate (32) and a steel rib column (2) in advance before installing the connecting assembly (3), hoisting the steel rib column (2) and inserting a first connecting plate (31) into a steel tube column casing (1), rechecking the position of the steel tube column on site, calibrating the position of the steel tube column with the position of a drawing, properly adjusting the position of the steel rib column (2) according to the deviation condition to make up the deviation error, and prewelding and fixing the steel rib column (2) and the steel tube column casing (1);
s4: installing a semicircular plate (33), installing the two semicircular plates (33) at the opening of the steel tube column (1), adjusting errors, pre-fixing the two semicircular plates (33) through a pre-fixing plate (35), welding and fixing the two semicircular plates (33) with the steel tube column (1), and finally performing full-weld welding on the pre-welded position;
s5: and pouring concrete, namely pouring the concrete into a post-pouring belt space reserved in the steel tube column casing (1) through a pouring opening (332) reserved in the semicircular plate (33).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111422526.5A CN114134898B (en) | 2021-11-26 | 2021-11-26 | Top-down construction method one-pile one-column connecting structure and construction method thereof |
| PCT/CN2022/109489 WO2023093115A1 (en) | 2021-11-26 | 2022-08-01 | Connection structure for one pile and one column in top-down construction method, and construction method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111422526.5A CN114134898B (en) | 2021-11-26 | 2021-11-26 | Top-down construction method one-pile one-column connecting structure and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114134898A true CN114134898A (en) | 2022-03-04 |
| CN114134898B CN114134898B (en) | 2023-01-06 |
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| CN202111422526.5A Active CN114134898B (en) | 2021-11-26 | 2021-11-26 | Top-down construction method one-pile one-column connecting structure and construction method thereof |
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| WO (1) | WO2023093115A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093115A1 (en) * | 2021-11-26 | 2023-06-01 | 中建三局第三建设工程有限责任公司 | Connection structure for one pile and one column in top-down construction method, and construction method therefor |
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| JP2004183266A (en) * | 2002-12-02 | 2004-07-02 | East Japan Railway Co | Joint structure and joining method of pile and building |
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| CN109629681A (en) * | 2019-01-09 | 2019-04-16 | 西安建筑科技大学 | A kind of assembled connecting node of plug-in type buckle Liang Yuzhu |
| KR20210012525A (en) * | 2019-07-25 | 2021-02-03 | 이규철 | Steel structures and top-down method using it |
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| JP3900344B2 (en) * | 2002-09-19 | 2007-04-04 | 株式会社奥村組 | Column-to-pile connection structure of steel structure building and its construction method |
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| CN106759346B (en) * | 2016-12-26 | 2019-09-03 | 中铁二局集团有限公司 | A kind of sheltered reverse excavation steel pipe column positioning device and production method |
| CN111794388A (en) * | 2020-06-16 | 2020-10-20 | 上海建工二建集团有限公司 | Connecting joint of steel pipe column and box column in reverse construction and construction method thereof |
| CN114134898B (en) * | 2021-11-26 | 2023-01-06 | 中建三局第三建设工程有限责任公司 | Top-down construction method one-pile one-column connecting structure and construction method thereof |
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| JP2004183266A (en) * | 2002-12-02 | 2004-07-02 | East Japan Railway Co | Joint structure and joining method of pile and building |
| US20120087741A1 (en) * | 2010-10-08 | 2012-04-12 | Alain Desmeules | Composite pile formed of interconnected rigid hollow tubes |
| CN205088797U (en) * | 2015-10-28 | 2016-03-16 | 山东科技大学 | Empty intermediate layer steel core concrete column of half punching wherein and girder steel connected node imbed |
| CN109629681A (en) * | 2019-01-09 | 2019-04-16 | 西安建筑科技大学 | A kind of assembled connecting node of plug-in type buckle Liang Yuzhu |
| KR20210012525A (en) * | 2019-07-25 | 2021-02-03 | 이규철 | Steel structures and top-down method using it |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023093115A1 (en) * | 2021-11-26 | 2023-06-01 | 中建三局第三建设工程有限责任公司 | Connection structure for one pile and one column in top-down construction method, and construction method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114134898B (en) | 2023-01-06 |
| WO2023093115A1 (en) | 2023-06-01 |
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