CN103726613A - Novel fabricated concrete column - Google Patents
Novel fabricated concrete column Download PDFInfo
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- CN103726613A CN103726613A CN201310746248.8A CN201310746248A CN103726613A CN 103726613 A CN103726613 A CN 103726613A CN 201310746248 A CN201310746248 A CN 201310746248A CN 103726613 A CN103726613 A CN 103726613A
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Abstract
The invention discloses a novel fabricated concrete column which comprises an upper concrete column and a lower concrete column, wherein reinforcement cages of the upper concrete column and the lower concrete column are connected together, a pouring space for pouring concrete is reserved between the upper concrete column and the lower concrete column, the poring space is matched with and surrounded by a steel plate frame with concrete poring holes, and concrete is poured in the steel plate frame through the concrete poring holes so as to connect the upper concrete column and the lower concrete column into a whole. In such a way, the novel fabricated concrete column breaks through the constructing form of traditional fabricated concrete columns, a poring space for poring concrete is reserved between the upper concrete column and the lower concrete column, concrete is poured in the poring space from the concrete poring holes of the steel plate frame to carry out omni-directional filling, the steel plate frame is used as a forming template of the placed concrete, and the poured concrete is solidified and shaped in the steel plate frame so as to connect the upper concrete column and the lower concrete column into a whole; and compared with the prior art, the novel fabricated concrete column disclosed by the invention is more reliable in connection, strong in integrity, high in strength and strong in practicability.
Description
Technical field
The present invention relates to the concrete column of field of civil engineering, be specifically related to the novel fabricated concrete column that a kind of globality is strong.
Background technology
Assembly concrete post be current extensive use be combined to form the concrete component of RCS (reinforced concrete post-girder steel) group frame with girder steel, assembled integral RCS group frame can be realized industrialization of construction industry, promotes housing industrialization.Assembled integral concrete column is the important component part of RCS combining structure.
Traditional assembly concrete post, general rear pouring concrete is only built in partial cross section and can not be connected whole cross section, and on it, lower prop is difficult to accomplish that real assembled integral connects, so in upper lower prop junction, its bearing capacity declines to some extent.Therefore limited to a certain extent the application of assembly concrete post.As Chinese utility model patent CN201210576663.9 discloses a kind of assembled monolithic concrete structure system that adopts bar splicing mode, described system comprises: when design, by common cast-in-situ steel reinforced concrete, calculate and design, structure manufacture adds man-hour, reserve the effective overlap joint degree between member, in assembling site operation engineering, after prefabricated units are in place, adopt the ordinary concrete perfusion of designing requirement, the combination of structure comprises bottom precast shear wall, bottom precast shear wall longitudinal reinforcement, bottom precast shear wall horizontal reinforcement, top precast shear wall, top precast shear wall longitudinal reinforcement, top precast shear wall horizontal reinforcement, shear force wall reinforcing steel bar overlap joint groove, shear wall and the cast-in-situ concrete of beam join domain, precast shear wall end, bottom stiffener, precast shear wall end, top stiffener, precast beam, muscle at the bottom of precast beam, prefabricated back muscle, precast beam stirrup, Prefabricated stacking floor, bottom prefabricated post, bottom prefabricated post longitudinal reinforcement, bottom prefabricated post stirrup, top prefabricated post, top prefabricated post longitudinal reinforcement, top prefabricated post stirrup, post bar splicing region stirrup, post bar splicing groove, post and the cast-in-situ concrete of beam join domain.During this building structure design, by cast-in-place concrete structure, undertaken, when splitting, member need to consider the size of lap length between member, should be by reserved reinforcing bar and the reinforcing bar insertion groove of considering lap length of design and structure requirement during structure manufacture, behind the scene of prefabricated units transportation, while carrying out construction and installation, need on request member be put in place, guarantee in the situation of component stability, by designing requirement concrete perfusion.
This utility model construction is simple, but structure exists defect, and connection integrity is poor, and intensity is low, and practicality is not enough.
Given this, this case inventor further investigate the problems referred to above, then has this case to produce.
Summary of the invention
The object of the present invention is to provide a kind of connection more reliable, globality is strong, and intensity is high, and ductility is good, practical novel fabricated concrete column.
In order to achieve the above object, the present invention adopts such technical scheme:
A novel fabricated concrete column, comprises the upper concrete column and the lower concrete column that are assembled together; The cage of reinforcement that described upper concrete column and lower concrete column stretch out links together, between described upper concrete column and lower concrete column, leave the pouring space of placing of concrete, place, described pouring space is arranged with coupling and is placed on the steel plate frame on described upper concrete column and lower concrete column, and described steel plate frame has concrete casting grout, by described concrete casting grout, to pouring concrete in-situ in described steel plate frame, described upper concrete column and lower concrete column are connected into integral body.
Above-mentioned steel plate frame is that a side is high, the inclination form that a side is low; The angle of inclination of above-mentioned upper concrete column and lower concrete column corresponding end is corresponding with the angle of inclination of described steel plate frame; Above-mentioned concrete casting hole is formed at the described steel plate frame top of high side.
Above-mentioned upper concrete column and the rectangular column of lower concrete column, above-mentioned steel plate frame is by two blocks of square steel plates that height is corresponding, and two blocks of parallelogram steel plates corresponding to level weld and surround from beginning to end.
After the placing of concrete of above-mentioned pouring space, at above-mentioned concrete casting grout, place is blocked with Plate Welding.
The cage of reinforcement of above-mentioned upper concrete column comprises spiral bar and the upper vertical muscle of Duo Gen, and the cage of reinforcement of above-mentioned lower concrete column comprises vertical muscle under lower spiral bar and Duo Gen; Described vertical muscle is connected together with the corresponding butt welding of described lower vertical muscle; Described upper spiral bar is connected together with the corresponding overlap welding of described lower spiral bar.
The tie point of each above-mentioned vertical muscle and lower vertical muscle is at least two horizontal planes.
The cage of reinforcement of above-mentioned upper concrete column comprises four upper vertical muscle; The cage of reinforcement of above-mentioned lower concrete column comprises vertical muscle under corresponding four; Four described vertical muscle and the tie point of lower vertical muscle are in the plane that same and above-mentioned steel plate frame inclined-plane of living in parallels.
Adopt after technique scheme, novel fabricated concrete column of the present invention, break through the structural form of traditional assembly concrete post, between upper concrete column and lower concrete column, leave the pouring space of placing of concrete, while being initial, between upper concrete column and lower concrete column, there is interval, only depend on cage of reinforcement to connect, at this place, pouring space, be arranged with the steel plate frame mating with upper concrete column and lower concrete column profile, the concrete casting grout of steel plate frame carries out comprehensive filling to watering placing of concrete in space thus, steel plate frame is as the concrete forming panel of pouring, concrete coagulation forming in steel plate frame of pouring, upper concrete column and lower concrete column are connected into integral body, overcome traditional assembly concrete post and only can realize the fault of construction of selective placement, and steel plate frame can further be reinforced this junction, compared with prior art, novel fabricated concrete column of the present invention, its connection is more reliable, and globality is strong, and intensity is high, and ductility is good, practical.
Accompanying drawing explanation
Fig. 1 is partial structurtes schematic diagram of the present invention;
Fig. 2 is upper concrete column and the preliminary syndeton partial schematic diagram of lower concrete column;
Fig. 3 is the cross section cross-sectional schematic of upper concrete column;
Fig. 4 is the structural representation of steel plate frame.
In figure:
The upper spiral bar of the upper concrete column 11-of 1-
The upper vertical muscle of 12-
Spiral bar under concrete column 21-under 2-
Vertical muscle 3-pouring space under 22-
4-steel plate frame 41-concrete casting grout
5-weld seam
The specific embodiment
In order further to explain, be described in detail technical scheme of the present invention below by specific embodiment.
A kind of novel fabricated concrete column of the present invention, as Figure 1-4, comprises the upper concrete column 1 and the lower concrete column 2 that are assembled together up and down.
The cage of reinforcement that upper concrete column 1 and lower concrete column 2 stretch out links together, between upper concrete column 1 and lower concrete column 2, leave the pouring space 3 of placing of concrete, pouring 3 places, space are arranged with coupling and are placed on the steel plate frame 4 on concrete column 1 and lower concrete column 2, and steel plate frame 4 has concrete casting grout 41, by concrete casting grout 41, to the interior pouring concrete in-situ of steel plate frame 4, upper concrete column 1 and lower concrete column 2 are connected into integral body.Between upper concrete column 1 and lower concrete column 2, leave the pouring space 3 of placing of concrete, while being initial, between upper concrete column 1 and lower concrete column 2, there is interval, only depend on cage of reinforcement to connect, at these pouring 3 places, space, be arranged with the steel plate frame 4 mating with upper concrete column 1 and lower concrete column 2 profiles, the concrete casting grout 41 of steel plate frame 4 carries out comprehensive filling to the interior placing of concrete in pouring space 3 thus, steel plate frame 4 is as the concrete forming panel of pouring, the concrete of pouring is at the interior coagulation forming of steel plate frame 4, upper concrete column 1 and lower concrete column 2 are connected into integral body, overcome traditional assembly concrete post and only can realize the fault of construction of selective placement, and steel plate frame can further be reinforced this junction.
Preferably, steel plate frame 4 is that a side is high, the inclination form that a side is low; The angle of inclination of upper concrete column 1 and lower concrete column 2 corresponding end is corresponding with the angle of inclination of steel plate frame 4; Concrete casting grout 41 is formed at steel plate frame 4 top of high side, watering space 3 is and the steel plate frame 4 angles of inclination form that tilts accordingly, the upper end of lower concrete column 2 is as the bottom in pouring space 3, utilize the bottom of this inclination, and can very easily pouring space 3 be filled by the concrete casting grout 41 in highest point, there will not be concrete be difficult for to flow or fill with the problem such as discontented, practical.
The structure of the steel plate frame 4 tilting for specific implementation, preferably, upper concrete column 1 and the rectangular column of lower concrete column 2, steel plate frame 4 is by two blocks of square steel plates that height is corresponding, weld and surround from beginning to end with two blocks of parallelogram steel plates corresponding to level, be between adjacent steel plate, to there is weld seam 5, in a side of steel plate frame 4, by horizontal direction, looked, the whole parallelogram of steel plate frame 4.
In order to make structure of the present invention more complete, preferably, after 3 placing of concrete of pouring space, at concrete casting grout 41 places, with the welding of steel plate (not shown), block.
For the connection of concrete column in specific implementation 1 and lower concrete column 2 cage of reinforcement, preferably, the cage of reinforcement of upper concrete column 1 comprises spiral bar 11 and the upper vertical muscle 12 of Duo Gen, and the cage of reinforcement of lower concrete column 2 comprises vertical muscle 22 under lower spiral bar 21 and Duo Gen; Upper vertical muscle 12 is connected together with the corresponding butt welding of lower vertical muscle 22, and upper vertical muscle 12 directly docks welding with the end of lower vertical muscle 22 and forms weld seam 5; Upper spiral bar 11 is connected together with the corresponding overlap welding of lower spiral bar 21, goes up spiral bar 11 and has equitant part with lower spiral bar 21, this lap is welded together to form larger area weld seam 5.
Preferably, on each, vertical muscle 12 is at least two horizontal planes with the tie point of lower vertical muscle 22, and this structure can make vertical muscle 12 on each mutually stagger with the tie point of lower vertical muscle 22, avoid tie point in same cross section, and formation plane of weakness guarantees assembling post reliably working, durable in use.
In order to strengthen upper vertical muscle 12 and the tie point of lower vertical muscle 22 and organic matching property of steel plate frame 4, and then strengthen the bonding strength at the tie point place of upper vertical muscle 12 and lower vertical muscle 22, preferably, the cage of reinforcement of upper concrete column 1 comprises four upper vertical muscle 12; The cage of reinforcement of lower concrete column 2 comprises vertical muscle 22 under corresponding four; In four upper vertical muscle 12 are in the same plane paralleling with steel plate frame 4 inclined-plane of living in the tie point of lower vertical muscle 22, go up and indulge muscle 12 in higher same level for two, vertical muscle 22 is in lower same level under two.
Novel fabricated concrete column of the present invention, on each, the position of the quantity of vertical muscle and lower vertical muscle, distribution form and concrete tie point can be adjusted and design according to actual requirement; The concrete structure of the cage of reinforcement of upper concrete column and lower concrete column can be adjusted and design according to actual requirement; The form of concrete casting grout, quantity, setting position and shutoff form thereof can be adjusted and design according to actual requirement; The concrete angle of inclination of steel plate frame and form of structure also can be adjusted and design according to actual requirement; Upper concrete column and lower concrete column are existing reinforced concrete post form, but can be, coordinate technical scheme of the present invention and do adaptive structural adjustment.
Product form of the present invention is not limited to this case diagram and embodiment, and anyone carries out suitable variation or the modification of similar thinking to it, all should be considered as not departing from patent category of the present invention.
Claims (7)
1. a novel fabricated concrete column, comprises the upper concrete column and the lower concrete column that are assembled together; It is characterized in that: the cage of reinforcement that described upper concrete column and lower concrete column stretch out links together, between described upper concrete column and lower concrete column, leave the pouring space of placing of concrete, place, described pouring space is arranged with coupling and is placed on the steel plate frame on described upper concrete column and lower concrete column, and described steel plate frame has concrete casting grout, by described concrete casting grout, to pouring concrete in-situ in described steel plate frame, described upper concrete column and lower concrete column are connected into integral body.
2. a kind of novel fabricated concrete column according to claim 1, is characterized in that: above-mentioned steel plate frame is that a side is high the inclination form that a side is low; The angle of inclination of above-mentioned upper concrete column and lower concrete column corresponding end is corresponding with the angle of inclination of described steel plate frame; Above-mentioned concrete casting hole is formed at the described steel plate frame top of high side.
3. a kind of novel fabricated concrete column according to claim 2, it is characterized in that: above-mentioned upper concrete column and the rectangular column of lower concrete column, above-mentioned steel plate frame is by two blocks of square steel plates that height is corresponding, and two blocks of parallelogram steel plates corresponding to level weld and surround from beginning to end.
4. a kind of novel fabricated concrete column according to claim 3, is characterized in that: after the placing of concrete of above-mentioned pouring space, at above-mentioned concrete casting grout, place is blocked with Plate Welding.
5. according to a kind of novel fabricated concrete column described in any one in claim 1-4, it is characterized in that: the cage of reinforcement of above-mentioned upper concrete column comprises spiral bar and the upper vertical muscle of Duo Gen, and the cage of reinforcement of above-mentioned lower concrete column comprises vertical muscle under lower spiral bar and Duo Gen; Described vertical muscle is connected together with the corresponding butt welding of described lower vertical muscle; Described upper spiral bar is connected together with the corresponding overlap welding of described lower spiral bar.
6. a kind of novel fabricated concrete column according to claim 5, is characterized in that: the tie point of each above-mentioned vertical muscle and lower vertical muscle is at least two horizontal planes.
7. a kind of novel fabricated concrete column according to claim 6, is characterized in that: the cage of reinforcement of above-mentioned upper concrete column comprises four upper vertical muscle; The cage of reinforcement of above-mentioned lower concrete column comprises vertical muscle under corresponding four; Four described vertical muscle and the tie point of lower vertical muscle are in the plane that same and above-mentioned steel plate frame inclined-plane of living in parallels.
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| CN201310746248.8A CN103726613B (en) | 2013-12-30 | 2013-12-30 | A kind of novel fabricated concrete column |
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| CN201310746248.8A CN103726613B (en) | 2013-12-30 | 2013-12-30 | A kind of novel fabricated concrete column |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738232A (en) * | 2016-11-30 | 2017-05-31 | 上海建工二建集团有限公司 | The template and its installation method of prefabricated assembled concrete post |
| CN106869405A (en) * | 2017-03-29 | 2017-06-20 | 汉嘉设计集团股份有限公司 | Precast concrete column, concrete combination column and its manufacture method |
| CN106906954A (en) * | 2017-03-14 | 2017-06-30 | 安徽工程大学 | A kind of built-in profile steel steel tubes concrete column structure and preparation method thereof |
| CN107605102A (en) * | 2017-10-12 | 2018-01-19 | 贺州学院 | One kind fire prevention thermal insulation assembly concrete rod structure and its production technology |
| CN109594718A (en) * | 2018-11-06 | 2019-04-09 | 安徽水利开发股份有限公司 | The assembled steel reinforced concrete column of prefabricated standard assembly piece and application the assembly piece |
| CN117947911A (en) * | 2024-03-08 | 2024-04-30 | 北京市建筑设计研究院股份有限公司 | Composite pipe confined concrete core column non-node area connection structure and construction method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008025125A (en) * | 2006-07-18 | 2008-02-07 | Okumura Corp | Column unit and construction method for building using it |
| CN101787733A (en) * | 2010-03-03 | 2010-07-28 | 管乃彦 | Prefabricated vertical member |
| CN201746978U (en) * | 2010-06-30 | 2011-02-16 | 中国京冶工程技术有限公司 | Steel plate-wrapped reinforced concrete composite anti-explosion column |
| CN202187477U (en) * | 2011-08-04 | 2012-04-11 | 中国京冶工程技术有限公司 | Multi-layer prefabricated concrete column structure |
| CN102642247A (en) * | 2011-02-18 | 2012-08-22 | 桑菲斯株式会社 | Method of constructing prefabricated steel reinforced concrete (psrc) column using angle steels |
| CN102995745A (en) * | 2012-12-27 | 2013-03-27 | 沈阳易筑建材经销有限公司 | Integrally-assembled concrete structural system adopting steel bar lapping mode |
| CN203684528U (en) * | 2013-12-30 | 2014-07-02 | 华侨大学 | Novel assembled concrete column |
-
2013
- 2013-12-30 CN CN201310746248.8A patent/CN103726613B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008025125A (en) * | 2006-07-18 | 2008-02-07 | Okumura Corp | Column unit and construction method for building using it |
| CN101787733A (en) * | 2010-03-03 | 2010-07-28 | 管乃彦 | Prefabricated vertical member |
| CN201746978U (en) * | 2010-06-30 | 2011-02-16 | 中国京冶工程技术有限公司 | Steel plate-wrapped reinforced concrete composite anti-explosion column |
| CN102642247A (en) * | 2011-02-18 | 2012-08-22 | 桑菲斯株式会社 | Method of constructing prefabricated steel reinforced concrete (psrc) column using angle steels |
| CN202187477U (en) * | 2011-08-04 | 2012-04-11 | 中国京冶工程技术有限公司 | Multi-layer prefabricated concrete column structure |
| CN102995745A (en) * | 2012-12-27 | 2013-03-27 | 沈阳易筑建材经销有限公司 | Integrally-assembled concrete structural system adopting steel bar lapping mode |
| CN203684528U (en) * | 2013-12-30 | 2014-07-02 | 华侨大学 | Novel assembled concrete column |
Non-Patent Citations (1)
| Title |
|---|
| 李进等: "钢板箍螺栓装配连接混凝土柱抗震性能研究", 《地质工程于工程振动》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738232A (en) * | 2016-11-30 | 2017-05-31 | 上海建工二建集团有限公司 | The template and its installation method of prefabricated assembled concrete post |
| CN106738232B (en) * | 2016-11-30 | 2022-09-13 | 上海建工二建集团有限公司 | Formwork for prefabricated assembled concrete column and mounting method thereof |
| CN106906954A (en) * | 2017-03-14 | 2017-06-30 | 安徽工程大学 | A kind of built-in profile steel steel tubes concrete column structure and preparation method thereof |
| CN106869405A (en) * | 2017-03-29 | 2017-06-20 | 汉嘉设计集团股份有限公司 | Precast concrete column, concrete combination column and its manufacture method |
| CN106869405B (en) * | 2017-03-29 | 2023-05-16 | 汉嘉设计集团股份有限公司 | Precast concrete column, concrete composite column and manufacturing method thereof |
| CN107605102A (en) * | 2017-10-12 | 2018-01-19 | 贺州学院 | One kind fire prevention thermal insulation assembly concrete rod structure and its production technology |
| CN109594718A (en) * | 2018-11-06 | 2019-04-09 | 安徽水利开发股份有限公司 | The assembled steel reinforced concrete column of prefabricated standard assembly piece and application the assembly piece |
| CN117947911A (en) * | 2024-03-08 | 2024-04-30 | 北京市建筑设计研究院股份有限公司 | Composite pipe confined concrete core column non-node area connection structure and construction method |
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