CN112482663B - Assembled concrete special-shaped column and construction method - Google Patents
Assembled concrete special-shaped column and construction method Download PDFInfo
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- CN112482663B CN112482663B CN202011398447.0A CN202011398447A CN112482663B CN 112482663 B CN112482663 B CN 112482663B CN 202011398447 A CN202011398447 A CN 202011398447A CN 112482663 B CN112482663 B CN 112482663B
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- expansion
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- main column
- outer sleeve
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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
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses an assembled concrete special-shaped column and a construction method thereof. The invention relates to a construction method of an assembly type concrete special-shaped column, which comprises the following steps: (1) prefabricating a main column and side columns, wherein expansion connecting pieces are embedded in the side columns; (2) the main column is installed first, and then the side columns are hoisted up to enable the expansion connecting pieces to be inserted into corresponding installation positions on the main column. The invention can prefabricate the main column and the side column in factory, when in installation, all the expansion connecting pieces of the main column and the side column can be connected only by hoisting the side column and slowly putting down the side column, the construction speed is high, and the connection between the main column and the side column is reliable.
Description
Technical Field
The invention relates to a concrete column and a construction method thereof, in particular to an assembled concrete special-shaped column and a construction method thereof.
Background
The traditional concrete column is generally constructed on site, a reinforcement cage needs to be bound on site, and concrete needs to be purchased and transported for pouring, so that the construction time is long, and the traditional concrete column cannot be reused after being dismantled, thereby causing resource waste and environmental pollution. The assembly type building is widely accepted by the nation and the society, the advantages of high construction speed, reusable assembly type building blocks, clean and sanitary construction process and the like are incomparable to the traditional construction process, most of the construction processes can not achieve completely waterless operation, and the reliability of connection between the assembly type building blocks is always the most concerned problem. Along with the increase of social demand and construction level, the number of times that special-shaped post was adopted in the building increases gradually, but the work progress of special-shaped post is comparatively complicated, and is higher to reinforcement, template preparation requirement, influences construction speed, if change the special-shaped post from cast-in-place construction into assembled assembling, can effectively solve above-mentioned problem, satisfy the demand of building to special-shaped post.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides an assembled concrete special-shaped column capable of being constructed quickly and a construction method of the assembled concrete special-shaped column with high construction efficiency.
In order to solve the technical problem, the fabricated concrete special-shaped column comprises a main column and at least one side column connected with the main column, wherein the main column and the side column are connected through a plurality of expansion connecting pieces which are arranged up and down, the expansion connecting pieces are obliquely arranged according to the same inclination angle, the high end of each expansion connecting piece is connected into the corresponding side column, and the low end of each expansion connecting piece is connected into the main column.
Preferably, the axial inclination of the expansion joints is 45 degrees, and the distance between the centers of the adjacent expansion joints on the surface of the main column is 0.7 m.
Preferably, the expansion connecting piece comprises an expansion bolt and an expansion sleeve, the expansion bolt comprises a rod piece, a plurality of first protruding pieces and a plurality of fins, one end of the rod piece is a pre-embedded end, the other end of the rod piece is an expansion end, all the first protruding pieces are fixed on the pre-embedded end at intervals, all the fins are rotatably arranged on the expansion end through a rotating shaft, the fins are at least arranged in a row in the length direction of the expansion end, a first groove is formed in the expansion end, the fins are rotatably arranged in the first groove, a torsion spring for connecting the fins and the first groove is sleeved on the rotating shaft, the expansion sleeve comprises an outer sleeve, an inner sleeve and a piston, the pre-embedded end of the rod piece is pre-embedded in a side column, the outer sleeve of the expansion sleeve is pre-embedded in a main column, the closed upper end of the lower end of the outer sleeve is open, oil chambers filled with hydraulic oil are arranged in the side wall and the lower end wall of the outer sleeve, and a first oil port communicated with the oil chamber is arranged on the inner side of the lower end wall of the outer sleeve, the piston is arranged in the first oil port, the upper part of the side wall of the outer sleeve is provided with a second oil port communicated with the oil chamber, two ends of the inner sleeve are open, the inner side wall of the inner sleeve is provided with second grooves corresponding to the fins one by one, the distance from the opening part of the second groove to the axis of the inner sleeve is a, the distance from the front end of each fin to the axis of the rod piece is b when each fin is not subjected to external force, the distance from the rear end of each fin to the axis of the rod piece is c when each fin is not subjected to external force, b < a < c, when the rear end of each fin is forwards overturned to the maximum angle, the distance from the rear end of each fin to the axis of the rod piece is c1, c1> c, the upper end of the inner sleeve is inserted into the second oil port in a sliding manner, when the expansion end of the rod piece is inserted into the inner sleeve to be in contact with the piston and not apply pressure to the piston, the rear end of each fin is positioned at the opening part corresponding to the second groove, and when the expansion end of the rod piece pushes the piston to move in the first oil port to the front side wall of the top oil chamber, the hydraulic oil in the oil chamber pushes the inner sleeve to move a certain distance forwards and downwards, the rear end of each fin is pushed by the rear side wall of the second groove to turn over to enter the corresponding second groove, and the rear end of each fin in the main column enters the corresponding second groove.
Preferably, the fins are arranged in two rows in the length direction of the expansion end, and the two rows of fins are symmetrical relative to the axis of the rod.
Preferably, a plurality of second tabs are fixed to the outer wall of the outer sleeve.
Preferably, the included angle between the main column and the side column is connected through an L-shaped steel plate.
Preferably, the side columns are four, and the four side columns and the main column are arranged in a cross shape.
The invention relates to a construction method of an assembly type concrete special-shaped column, which comprises the following steps: (1) prefabricating a main column and side columns, wherein expansion connecting pieces are embedded in the side columns; (2) the main column is installed first, and then the side columns are hoisted up to enable the expansion connecting pieces to be inserted into corresponding installation positions on the main column.
The invention discloses a construction method of an assembly type concrete special-shaped column, which is characterized by comprising the following steps: the method comprises the following steps: (1) prefabricating a main column and side columns, wherein the embedded ends of expansion bolts are embedded in the side columns, and expansion sleeves are embedded in the main column; (2) the main column is installed firstly, the side columns are hoisted to enable the expansion ends of the expansion bolts to be inserted into corresponding expansion sleeves on the main column, when the expansion ends push the piston to move to the front side wall of the top oil chamber in the first oil port, hydraulic oil in the oil chamber pushes the inner sleeve to move a certain distance to the front lower side, the rear end of each fin overturns under the pushing of the rear side wall of the second groove to enter the corresponding second groove, and the expansion bolts are connected into the expansion sleeves reliably.
The construction method comprises the step (3) of connecting an L-shaped steel plate at the included angle of the main column and the side column.
The invention has the beneficial effects that: the main column and the side column of the fabricated concrete special-shaped column are connected through the expansion connecting pieces, so that the main column and the side column can be prefabricated in a factory, the main column and the side column are connected through the plurality of expansion connecting pieces which are arranged up and down, the expansion connecting pieces are obliquely arranged according to the same inclination angle, when the fabricated concrete special-shaped column is installed, all the expansion connecting pieces of the main column and the side column can be connected only by hoisting the side column and then slowly putting down the side column, the construction speed is high, and the main column and the side column are reliably connected. Because the slope setting of inflation connecting piece for side column and king-post ability zonulae occludens, the gap is less, insert the king-post downwards because of the inflation connecting piece on the side column is oblique again, if certain side column produces inhomogeneous settlement, then all the other concrete columns can produce the resistance to the settlement of this side column, if the king-post produces inhomogeneous settlement, then all the other side columns can produce the resistance to the settlement of king-post, or subside together with the king-post, the wholeness of assembled concrete dysmorphism post has been strengthened, avoid inhomogeneous settlement, and reduce the construction degree of difficulty.
Drawings
FIG. 1 is a schematic top view of a profiled pole of the present invention;
FIG. 2 is a schematic front view of the shaped post of the present invention;
FIG. 3 is a schematic view of the expansion bolt of the expansion joint of the present invention prior to entering the expansion shells;
FIG. 4 is a schematic view of the expansion bolt of the expansion joint of the present invention as it enters the expansion sleeve and just contacts the piston;
FIG. 5 is a schematic view of the expansion bolt of the expansion joint of the present invention in a configuration where it enters the expansion shell to push the piston a certain distance;
FIG. 6 is a schematic view of the expansion bolt of the expansion joint of the present invention in a configuration where it enters the expansion shell to push the piston to the limit position;
FIG. 7 is an enlarged schematic view of the structure of the expansion shell of the present invention;
FIG. 8 is an enlarged schematic view of a portion of the expansion bolt of the present invention;
FIG. 9 is an enlarged schematic view of the portion A of FIG. 4;
FIG. 10 is an enlarged view of the detail B of FIG. 5;
FIG. 11 is an enlarged view of a portion C of FIG. 6;
in the figure: 1. side column, 2, L shape steel sheet, 3, principal post, 4, inflation connecting piece, 5, pre-buried end, 6, first lug, 7, inflation end, 8, fin, 9, overcoat, 10, second lug, 11, return spring, 12, piston, 13, grease chamber, 14, endotheca, 15, second recess, 16, torsional spring, 17, first recess.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An assembled concrete special-shaped column as shown in fig. 1 and 2 comprises a main column 3 and four side columns 1 connected with the main column 3, wherein the main column 3 and the side columns 1 are connected through a plurality of expansion connecting pieces 4 arranged up and down, the expansion connecting pieces 4 are obliquely arranged according to an inclination angle of 45 degrees, one end of the expansion connecting piece 4 which is high is connected into the side columns 1, and one end of the expansion connecting piece 4 which is low is connected into the main column 3. The centre-to-centre spacing of adjacent expansion joints 4 on the surface of the main column 3 is 0.7 m. The included angle between the main column 3 and the side column 1 is connected through an L-shaped steel plate 2.
As shown in fig. 3-11, the expansion connecting member 4 includes an expansion bolt and an expansion sleeve, the expansion bolt includes a rod, a plurality of first protruding pieces 6 and a plurality of fins, one end of the rod is a pre-embedded end 5, the other end of the rod is an expansion end 7, all the first protruding pieces 6 are fixed on the pre-embedded end 5 at intervals, all the fins 8 are rotatably arranged on the expansion end 7 through a rotating shaft, the fins 8 are arranged in at least two rows in the length direction of the expansion end 7, a first groove 17 is arranged on the expansion end 7, the fins 8 are rotatably arranged in the first groove 17, a torsion spring 16 connecting the fins 8 and the first groove 17 is sleeved on the rotating shaft, the expansion sleeve includes an outer sleeve 9, an inner sleeve 14 and a piston 12 arranged in the outer sleeve 9, a plurality of second protruding pieces 10 are fixed on the outer wall of the outer sleeve 9, the pre-embedded end 5 of the rod is pre-embedded in the side column 1, the outer sleeve 9 of the expansion sleeve is pre-embedded in the main column 3, the lower end of the outer sleeve 9 is closed, the upper end is open, oil chambers 13 filled with hydraulic oil are arranged in the side wall and the lower end wall of the outer sleeve 9, a first oil port communicated with the oil chamber 13 is arranged on the inner side of the lower end wall of the outer sleeve 9, a piston 12 is arranged in the first oil port, a return spring 11 is arranged between the piston 12 and the outer sleeve 9, when the piston is not subjected to external force, the piston is at a certain distance from the front side wall of the oil chamber 13, a second oil port communicated with the oil chamber 13 is arranged on the upper portion of the side wall of the outer sleeve 9, both ends of the inner sleeve 14 are opened, second grooves 15 corresponding to the fins 8 one by one are arranged in the inner side wall of the inner sleeve 14, the distance from the opening of the second groove 15 to the axis of the inner sleeve 14 is a, the distance from the front end of the fin 8 to the axis of the rod is b when the fin 8 is not subjected to external force, the distance from the rear end of the fin 8 to the axis of the rod is c when the fin 8 is not subjected to external force, the a < c, and when the rear end of the fin 8 is overturned to the maximum angle, the distance from the rear end of the rod is 1, c1> c, the upper end of the inner sleeve 14 is inserted in the second oil port in a sliding way, when the expansion end of the rod piece is inserted into the inner sleeve 14 to contact with the piston 12 and no pressure is applied to the piston 12, the rear end of each fin 8 is located at the opening of the corresponding second groove 15 (as shown in fig. 9), when the expansion end 7 of the rod piece pushes the piston 12 to move to the front side wall of the overhead oil chamber 13 in the first oil port, the hydraulic oil in the oil chamber 13 pushes the inner sleeve 14 to move forward and downward for a certain distance, the rear end of each fin 8 is overturned into the corresponding second groove 15 under the pushing of the rear side wall of the second groove 15, and the rear end of each fin 8 in the main column 3 is in a state of entering the corresponding second groove 15 (as shown in fig. 11).
The construction method of the fabricated concrete special-shaped column in the embodiment comprises the following steps:
(1) prefabricating a main column 3 and a side column 1, wherein the embedded end of an expansion bolt is embedded in the side column, and an expansion sleeve is embedded in the main column;
(2) the main column 3 is installed firstly, then the side columns 1 are hoisted to enable the expansion ends 7 of the expansion bolts to be inserted into corresponding expansion sleeves on the main column 3, when the expansion ends 7 push the pistons 12 to move to the front side wall of the top oil chamber 13 in the first oil port, hydraulic oil in the oil chamber pushes the inner sleeves to move a distance towards the front lower part, the rear end of each fin 8 is pushed by the rear side wall of the second groove 15 to turn over into the corresponding second groove 15, and the expansion ends 7 are connected into the expansion sleeves reliably.
(3) And an L-shaped steel plate 2 is connected at the corner between the main column 3 and the side column 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an assembled concrete dysmorphism post which characterized in that: the expansion connecting piece comprises a rod piece, a plurality of first lugs and a plurality of fins, wherein one end of the rod piece is a pre-embedded end, the other end of the rod piece is an expansion end, all the first lugs are fixed on the pre-embedded end at intervals, all the fins are arranged on the expansion end through a rotating shaft in a rotating mode, the fins are at least arranged in one row in the length direction of the expansion end, the expansion end is provided with a first groove, the fins are arranged in the first groove in a rotating mode, a torsional spring for connecting the fins and the first groove is sleeved on the rotating shaft, and the expansion sleeve comprises an outer sleeve, an inner sleeve and a piston which are arranged in the outer sleeve, the embedded end of the rod piece is embedded in the side column, the outer sleeve of the expansion sleeve is embedded in the main column, the lower end of the outer sleeve is closed, the upper end of the outer sleeve is open, oil chambers filled with hydraulic oil are arranged in the side wall and the lower end wall of the outer sleeve, a first oil port communicated with the oil chambers is arranged on the inner side of the lower end wall of the outer sleeve, a piston is arranged in the first oil port, a second oil port communicated with the oil chambers is arranged on the upper portion of the side wall of the outer sleeve, two ends of the inner sleeve are open, second grooves corresponding to the fins one by one are arranged in the inner side wall of the inner sleeve, the distance from the opening parts of the second grooves to the axis of the inner sleeve is a, the distance from the front end of the fins to the axis of the rod piece is b when the fins do not bear external force, the distance from the rear end of the fins to the axis of the rod piece is c when the fins do not bear external force, the a < c1 and c1> c when the rear end of the fins turn forwards to the maximum angle, the upper end of the inner sleeve is inserted in the second oil port in a sliding mode, when the expansion end of the rod piece is inserted into the inner sleeve to be in contact with the piston and does not apply pressure to the piston, the rear end of each fin is located at the opening corresponding to the second groove, when the expansion end of the rod piece pushes the piston to move to the front side wall of the oil chamber on the top in the first oil port, hydraulic oil in the oil chamber pushes the inner sleeve to move a certain distance towards the front lower side, the rear end of each fin is pushed by the rear side wall of the second groove to turn over into the corresponding second groove, and the rear end of each fin in the main column is in a state of entering the corresponding second groove.
2. The fabricated concrete profiled pole as claimed in claim 1, wherein: the inclination angle of the axis of the expansion connecting piece is 45 degrees, and the center distance between the adjacent expansion connecting pieces on the surface of the main column is 0.7 m.
3. The fabricated concrete profiled pole as claimed in claim 2, wherein: the fins are arranged in two rows in the length direction of the expansion end, and the two rows of fins are symmetrical relative to the axis of the rod piece.
4. The fabricated concrete profiled pole as claimed in claim 2, wherein: and a plurality of second lugs are fixed on the outer wall of the outer sleeve.
5. The fabricated concrete profiled pole as claimed in claim 1, wherein: the included angle between the main column and the side column is connected through an L-shaped steel plate.
6. The fabricated concrete profiled pole as claimed in claim 1, wherein: the four side columns are arranged in a cross shape with the main column.
7. A construction method of the fabricated concrete profiled pole as recited in any one of claims 1 to 6, wherein: the method comprises the following steps: (1) prefabricating a main column and side columns, wherein expansion connecting pieces are embedded in the side columns; (2) the main column is installed first, and then the side columns are hoisted up to enable the expansion connecting pieces to be inserted into corresponding installation positions on the main column.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210084952.0A CN115288362B (en) | 2020-12-04 | 2020-12-04 | Expansion connecting piece of assembled concrete special-shaped column |
| CN202011398447.0A CN112482663B (en) | 2020-12-04 | 2020-12-04 | Assembled concrete special-shaped column and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011398447.0A CN112482663B (en) | 2020-12-04 | 2020-12-04 | Assembled concrete special-shaped column and construction method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210084952.0A Division CN115288362B (en) | 2020-12-04 | 2020-12-04 | Expansion connecting piece of assembled concrete special-shaped column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112482663A CN112482663A (en) | 2021-03-12 |
| CN112482663B true CN112482663B (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210084952.0A Active CN115288362B (en) | 2020-12-04 | 2020-12-04 | Expansion connecting piece of assembled concrete special-shaped column |
| CN202011398447.0A Active CN112482663B (en) | 2020-12-04 | 2020-12-04 | Assembled concrete special-shaped column and construction method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202210084952.0A Active CN115288362B (en) | 2020-12-04 | 2020-12-04 | Expansion connecting piece of assembled concrete special-shaped column |
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| CN (2) | CN115288362B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE696108C (en) * | 1937-08-18 | 1940-09-11 | Paul Kanschat | Detachable connection between two components |
| US6345946B1 (en) * | 2000-08-03 | 2002-02-12 | Radio Systems Corporation | Fastener |
| WO2005108801A1 (en) * | 2004-05-06 | 2005-11-17 | Sang-Hun Yu | Binding tool |
| CN201011049Y (en) * | 2006-12-07 | 2008-01-23 | 沈阳建筑大学 | Special shaped steel pipe concrete core pole |
| CN200993145Y (en) * | 2006-12-15 | 2007-12-19 | 陈姚建平 | Fast expansion screw |
| CN101565968A (en) * | 2009-05-27 | 2009-10-28 | 天津大学 | Direct assembly concrete-filled steel tube combined special-shaped column and production method thereof |
| EP2886881A1 (en) * | 2013-12-19 | 2015-06-24 | HILTI Aktiengesellschaft | Expansion anchor comprising anti-twist device |
| CN104727439B (en) * | 2015-03-09 | 2017-01-18 | 沈阳建筑大学 | Assembly concrete pillar and beam structure and assembly connecting method |
| CN204755518U (en) * | 2015-06-19 | 2015-11-11 | 刘冉冉 | Inflation theftproof bolt assembly |
| CN107842347B (en) * | 2017-12-05 | 2021-04-30 | 中国石油天然气股份有限公司 | Automatic setting mechanism for concentric seal testing and adjusting instrument and concentric seal testing and adjusting instrument |
-
2020
- 2020-12-04 CN CN202210084952.0A patent/CN115288362B/en active Active
- 2020-12-04 CN CN202011398447.0A patent/CN112482663B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN115288362A (en) | 2022-11-04 |
| CN112482663A (en) | 2021-03-12 |
| CN115288362B (en) | 2023-04-28 |
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