CN105937289B - A kind of aspect is than coated steel frame and its installation method - Google Patents

A kind of aspect is than coated steel frame and its installation method Download PDF

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Publication number
CN105937289B
CN105937289B CN201610444515.XA CN201610444515A CN105937289B CN 105937289 B CN105937289 B CN 105937289B CN 201610444515 A CN201610444515 A CN 201610444515A CN 105937289 B CN105937289 B CN 105937289B
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China
Prior art keywords
reinforcing bar
long narrow
narrow cross
font
web
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CN105937289A (en
Inventor
章萍
章一萍
张春雷
隗萍
周练
唐丽娜
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Sichuan architectural design and Research Institute Co., Ltd
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SICHUAN PROVINCIAL ARCHITECTURAL DESIGN AND RESEARCH INSTITUTE
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/32Columns; Pillars; Struts of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/34Columns; 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements

Abstract

The invention discloses a kind of aspects than coated steel frame and its installation method, including reinforcing bar skeleton and the concrete being wrapped on reinforcing bar skeleton, reinforcing bar skeleton includes long narrow cross reinforcing bar, and the periphery two sides of long narrow cross reinforcing bar are equipped with the stirrup column frame being formed by connecting vertical with vertical muscle.Long narrow cross reinforcing bar of the present invention improves the overall performance of reinforcing bar and steel reinforced concrete, and long narrow cross reinforcing bar can improve the plastic deformation ability of concrete short column, improve the anti-seismic performance of concrete short column.When herein described coated steel frame is installed, it is not required to the aperture on the reinforcing bar web of long narrow cross reinforcing bar, stirrup does not need guiding through long narrow cross reinforcing bar web yet, web hooping is worn without welding, three installation procedures for reducing concrete short column shorten the construction time, simplify program.

Description

A kind of aspect is than coated steel frame and its installation method
Technical field
The present invention relates to structural engineering fields, and in particular to a kind of aspect is than coated steel frame and its installation side Method.
Background technique
With the acceleration of China's Development of China's Urbanization, urban land day is becoming tight, and urban architecture is just gradually from high level to superelevation Layer is fast-developing;High-rise, super high-rise building has higher shockproof requirements to structure vertical member, meanwhile, energy is carried to meet The demands such as power, rigidity are typically only capable to increase the sectional dimension of column and form " fat column ", affect building use space.Reinforcing bar is mixed Solidifying soil can reduce column section area, save space, therefore answer extensively due to higher intensity, rigidity, ductility For high-rise, super high-rise building.
But in Practical Project, requirement is controlled by axial compression ratio and residence space requirement is limited, combined steel and concrete column It is often restricted by size in one direction, the biggish combined steel and concrete column of height-to-breadth ratio occurs.Arrangement form, the hoop of reinforcing bar The make of muscle is affected to coated steel frame anti-seismic performance, meanwhile, concentrating in current specifications is mostly square bar The make of bone concrete column does not have the biggish coated steel frame of pair cross-section length-width ratio to be provided.
Based on this, studies and develop and devise a kind of aspect than coated steel frame and its installation method.
Summary of the invention
The purpose of the present invention is to provide a kind of aspects than coated steel frame, to solve concrete in the prior art Column is limited by a direction size, and anti-seismic performance is low, and the stirrup of existing coated steel frame, the layout type of reinforcing bar are led Cause overall performance poor, the technical problems such as working procedure complexity.
Another object of the present invention, which also resides in, provides a kind of construction is simple, the aspect that difficulty of construction is low, the construction period is short Than the installation method of the concrete short column of reinforcing bar.
The present invention is achieved through the following technical solutions:
A kind of aspect is than coated steel frame, including reinforcing bar skeleton and the concrete being wrapped on reinforcing bar skeleton, steel Bone skeleton includes long narrow cross reinforcing bar, and the periphery two sides of long narrow cross reinforcing bar are equipped with that stirrup is vertical with vertical muscle to be formed by connecting Column frame.
The structural form of square concrete column is due to being controlled requirement, residence space requirement by axial compression ratio in the prior art Limitation, can no longer meet high-rise, super high-rise building to the shockproof requirements of structure vertical member.Accordingly, it is considered to arrive concrete Column is size-constrained in a direction, therefore devises a kind of biggish coated steel frame of height-to-breadth ratio, and steel skeleton structure is set Be calculated as long narrow cross reinforcing bar, long narrow cross reinforcing bar cross section is to be intersected to form by two axial crosses, an axis in longer I-shaped, Another axis is in compared with casual labourer's font.The steel skeleton structure improves the overall performance of reinforcing bar and steel reinforced concrete, mentions for concrete short column Better plastic deformation ability has been supplied, its anti-seismic performance is improved.
It than aspect described in coated steel frame is according to long narrow cross reinforcing bar than reinforcing bar for aspect Length-width ratio.Based on the influence for being applied to its stress of the concrete column of skyscraper, the cross section long axis of long narrow cross reinforcing bar Length is greater than minor axis length, and the ratio of long axis length and minor axis length is generally higher than 1.5.
In addition, technical solution of the present invention in the periphery two sides of long narrow cross reinforcing bar installation stirrup and vertical vertical connect of muscle and At column frame.Column frame is to install rectangle hoop in the reinforcing bar web two sides of long narrow cross reinforcing bar, and stirrup does not need guiding through narrow The reinforcing bar web of long cross reinforcing bar, stirrup and the vertical muscle for the reinforcing bar web two sides for being similarly disposed at long narrow cross reinforcing bar are tied up It pricks, constrains the sliding generated between the concrete in concrete short column and the web of long narrow cross reinforcing bar, improve concrete The stress performance of short column.
Column frame is set using long narrow cross reinforcing bar, in the web two sides of long narrow cross reinforcing bar above, can be improved narrow The overall performance of elongated reinforced concrete column, and then guarantee the anti-seismic performance of combined steel and concrete column.
Further, the long narrow cross reinforcing bar includes that at least four T font reinforcing bars are welded, long narrow cross-shaped steel The cross section long axis length of bone is set as h, minor axis length b, and h/b >=1.5 are carried out to long narrow cross specific structure here It limits, cross-sectional structure is in cross, and the length difference of two axis is larger, and long axis length, minor axis length difference multiple are extremely It is less 1.5 times.
The specific structure of long narrow cross reinforcing bar can be welded for the end of four or more T font reinforcing bar, Along the longer side in concrete short column section, the section of long narrow cross reinforcing bar is in longer I-shaped, along concrete short column section Shorter side, the section of long narrow cross reinforcing bar are in the long axis that the cross section of long narrow cross reinforcing bar is arranged compared with casual labourer's font Length is set as h, and minor axis length is set as b, and h/b > 1.5, preferably h/b are 1.5-4.The side long narrow cross reinforcing bar each direction Jun You The edge of a wing is located at tensile region, and I-shaped symmetrical.
Further, the long narrow cross reinforcing bar is welded by four T font reinforcing bars, and four T steel bones are respectively First T font reinforcing bar, the 2nd T font reinforcing bar, the 3rd T font reinforcing bar, the 4th T font reinforcing bar, the first T font reinforcing bar and the 2nd T The structure of font reinforcing bar is identical and the end of the first T font reinforcing bar and the end of the 2nd T font reinforcing bar are in 180 ° of welding, the 3rd T Font reinforcing bar is identical as the 4th T font steel skeleton structure and the end of the 3rd T font reinforcing bar and the end of the 4th T font reinforcing bar are in The connecting portion of 180 ° of welding is the connecting portion of the first T font reinforcing bar and the 2nd T font reinforcing bar.Wherein the first T font reinforcing bar Reinforcing bar web length be greater than the 3rd T font reinforcing bar reinforcing bar web length, the length of the reinforcing bar web of the first T font reinforcing bar Degree is greater than the length on the reinforcing bar edge of a wing of the first T font reinforcing bar, and the length of the reinforcing bar web of the 3rd T font reinforcing bar is less than the 3rd T The length on the reinforcing bar edge of a wing of font reinforcing bar.Specially T font reinforcing bar is opposite two-by-two is welded, and the number of specific T shaped steel can To need to set according to actual implementation, it is preferred to use four T font reinforcing bars are welded, and the long narrow cross reinforcing bar of formation is stablized Property is more preferable, and stress is symmetrical.
Further, the stirrup is rectangle hoop, is mounted on the two sides of the reinforcing bar web of long narrow cross reinforcing bar.This hair The stirrup being arranged in bright technical solution does not need guiding through the reinforcing bar web of long narrow cross reinforcing bar, need to only be mounted on long narrow cross-shaped steel Vertical muscle can be arranged in reinforcing bar web two sides in the two sides of the reinforcing bar web of bone, specific mounting means, and stirrup and the vertical muscle are bound. The wherein selection of stirrup shape, it is main convenient for binding vertical muscle with stirrup, thus realization to concrete with it is long narrow cross Reinforcing bar is tightly fastened.
Further, the vertical muscle is set to the reinforcing bar web periphery of long narrow cross reinforcing bar, is tied up with stirrup using tied silk Prick connection.Here the positional relationship of vertical muscle and long narrow cross reinforcing bar is fixed, is specifically as follows vertical muscle and is arranged long narrow The two sides of the reinforcing bar web of cross reinforcing bar and the position of close reinforcing bar web, convenient for being bound with stirrup, raising integral post The stability of shape frame.
Further, the vertical muscle is set to the two sides of the reinforcing bar web of long narrow cross reinforcing bar.
Further, the inside of the column frame is poured the concrete of long narrow cross reinforcing bar package.Peg conduct The fastening structure of concrete and long narrow cross reinforcing bar, peg are generally arranged at the reinforcing bar web two of long narrow cross reinforcing bar Side prevents from generating sliding between concrete and long narrow cross reinforcing bar web.
Further, the welding of peg is on the reinforcing bar web of long narrow cross reinforcing bar, and with the coagulation in column frame Soil connection.
Further, the stirrup is vertically in staggered with peg, and spacing is 1-2 times of stirrup between adjacent peg Spacing here further limits stirrup and peg positional relationship, by the way of vertically interlaced arrangement, is conducive to bolt The connection of nail or other equivalent structures to the concrete and reinforcing bar web that are located inside column frame, prevents from generating position between the two It moves;And the setting of the arrangement to peg, it may not be necessary to largely arrange peg, can equally guarantee peg to reinforcing bar, concrete Between fastening effect.
The application also provides a kind of installation method of aspect than coated steel frame, comprising the following steps:
1) end of at least four T font reinforcing bars is welded, forms long narrow cross reinforcing bar;
Longer i shaped steel bone, two cross sections are formed after two cross sections are welded relatively in the reinforcing bar of longer T font It is welded on the upper of longer i shaped steel bone in 180 ° in the end of the reinforcing bar of shorter T font, forms long narrow cross reinforcing bar;
2) weld stud on the reinforcing bar web of long narrow cross reinforcing bar, the adjacent vertical spacing of peg is between 1-2 times of stirrup Away from;
3) rectangle hoop is prepared;
Two closed rectangle hoops are respectively set in the two sides of the web of long narrow cross reinforcing bar;
4) vertical muscle is set in the two sides of the reinforcing bar web of long narrow cross reinforcing bar;
5) rectangle hoop for preparing step 3) is mounted on the two sides of long narrow cross reinforcing bar and is arranged with step 4) Vertical muscle binding;
Specific improving bud grafting can be bound vertical muscle and stirrup using tied silk.
6) formwork, casting concrete.
After the stirrup of reinforcing bar web two sides and the binding of vertical muscle, formwork, in the frame that stirrup, vertical muscle, peg surround Interior casting concrete.
Compared with prior art, the present invention having the following advantages and benefits:
1, this application provides a kind of aspects than coated steel frame, using long narrow cross reinforcing bar, and long narrow The column frame that the periphery two sides installation of cross reinforcing bar is formed by connecting by stirrup and vertical muscle square crossing, improves reinforcing bar and reinforcing bar is mixed The overall performance of soil is coagulated, and long narrow cross reinforcing bar can improve the plastic deformation ability of concrete short column, improves concrete short column Anti-seismic performance.
2, when herein described stirrup installation, it is not required to the aperture on long narrow cross reinforcing bar, stirrup does not need guiding through long narrow yet Cross reinforcing bar web wears web hooping without welding, three installation procedures of concrete short column is reduced, when shortening construction Between, simplify installation procedure.
3, when herein described concrete short column is installed, the concrete and long narrow ten inside column frame will be located at using peg The connection of font reinforcing bar, column frame confined concrete body, to enhance the overall stability of concrete short column.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is reinforcing bar sectional view of the aspect of the present invention than coated steel frame;
Fig. 2 is reinforcing bar front view of the aspect of the present invention than coated steel frame;
Fig. 3 is aspect of the present invention than coated steel frame elevation
Fig. 4 is the sectional view of Fig. 3 of the present invention;
Label and corresponding parts title in attached drawing:
The long narrow cross reinforcing bar of 1-, 2- peg, 3- reinforcing bar web, 4- indulge muscle, 5- stirrup.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made For limitation of the invention.
Embodiment 1:
As shown in Figs 1-4, a kind of aspect of the present invention is than coated steel frame, including reinforcing bar skeleton and is wrapped in reinforcing bar Concrete on skeleton, reinforcing bar skeleton include long narrow cross reinforcing bar 1, and the periphery two sides of long narrow cross reinforcing bar 1 are equipped with hoop The column frame being formed by connecting vertical with vertical muscle 4 of muscle 5.
The long narrow cross reinforcing bar 1 includes that at least four T font reinforcing bars are welded, the cross of long narrow cross reinforcing bar 1 Cross-section major axis length is set as h, minor axis length b, h/b > 1.5.Specific structure are as follows: long narrow cross reinforcing bar is by four T shaped steels Bone is welded, and four T steel bones are respectively the first T font reinforcing bar, the 2nd T font reinforcing bar, the 3rd T font reinforcing bar, the 4th T word Fashioned iron bone, the first T font reinforcing bar is identical as the structure of the 2nd T font reinforcing bar and the end of the first T font reinforcing bar and the 2nd T font The end of reinforcing bar is in 180 ° of welding, and the 3rd T font reinforcing bar is identical as the 4th T font steel skeleton structure and the end of the 3rd T font reinforcing bar The connecting portion that portion and the end of the 4th T font reinforcing bar are welded in 180 ° is the company of the first T font reinforcing bar and the 2nd T font reinforcing bar Socket part position.
The structure of the long narrow cross reinforcing bar 1 may be an I-shaped reinforcing bar and the welding of two T font reinforcing bars and At.
Wherein, the stirrup 5 is rectangle hoop, is mounted on the reinforcing bar web two sides of long narrow cross reinforcing bar 1.
The vertical muscle 4 is set to the reinforcing bar web periphery of long narrow cross reinforcing bar 1, is connected with stirrup 5 using tied silk binding.
It is appreciated that the vertical muscle 4 can be set to long narrow cross-shaped steel for the ease of indulging muscle 4 and the binding of stirrup 5 The two sides of the reinforcing bar web 3 of bone 1.
The inside of the column frame pours the concrete for wrapping up long narrow cross reinforcing bar 1.
The peg 2 is welded on the reinforcing bar web 3 of long narrow cross reinforcing bar 1, and connect with the concrete in column frame.
Wherein, in the vertical direction in staggered, the spacing between adjacent peg 2 is 1-2 for the stirrup 5 and peg 2 Times stirrup spacing.Constraint of the concrete by column frame, the setting of peg 2 is by the concrete and long narrow cross-shaped steel in column frame The reinforcing bar web 3 of bone 1 connects, and then concrete and column frame are tightly fixed on long narrow cross reinforcing bar 1.
Embodiment 2:
A kind of installation method of the aspect than coated steel frame, the reinforcing bar coagulation of the aspect ratio is also disclosed in the application Native stud construction is described in detail in embodiment 1, and this is no longer going to repeat them.The coated steel frame knot of the aspect ratio The installation method of structure, comprising the following steps:
Step 1: the end of at least four T font reinforcing bars is welded, and forms long narrow cross reinforcing bar 1;
Longer i shaped steel bone, two cross sections are formed after two cross sections are welded relatively in the reinforcing bar of longer T font It is welded on the upper of longer i shaped steel bone in 180 ° in the end of the reinforcing bar of shorter T font, forms long narrow cross reinforcing bar;
Step 2: the weld stud 2 on the reinforcing bar web of long narrow cross reinforcing bar 1, the adjacent vertical spacing of peg is 1-2 times Stirrup spacing;
Step 3: preparing rectangle hoop;
Two closed rectangle hoops are respectively set in the two sides of the reinforcing bar web 3 of long narrow cross reinforcing bar 1;
Step 4: in 3 two sides of reinforcing bar web of long narrow cross reinforcing bar 1, muscle 4 is vertically indulged in setting;
Step 5: the rectangle hoop that step 3 is prepared be mounted on the two sides of long narrow cross reinforcing bar 1 and with step four The vertical muscle 4 being arranged is bound;
Specific improving bud grafting can be bound vertical muscle and stirrup using tied silk;
Step 6: remaining stirrup 5, formwork, casting concrete are bound.
Wherein step 6 is formwork after stirrup 5 and the whole bindings of vertical muscle 4 of reinforcing bar web two sides will be arranged in, and vertical The lower portion and periphery casting concrete that muscle 4, stirrup 5, peg 2 surround.
Embodiment 3:
For the present embodiment by taking certain Super high-rise dwelling house building as an example, which uses reinforced concrete frame-core wall structure.If The concrete column of meter is the frame column of the project low layer, and shear span ratio is less than 2.Being controlled requirement and residence space by axial compression ratio makes With desired limitation, the size of combined steel and concrete column often in one direction is restricted.
Using stirrup construction of the invention and aspect than coated steel frame construction method, reinforcing bar is designed as long narrow Cross reinforcing bar 1, long narrow cross 1 section of reinforcing bar are that one end is in the longer I-shaped, other end in compared with casual labourer's font.
According to code requirement, which is 100mm, and stirrup is needed across reinforcing bar web 3 at this time, Using the method for the present invention, this stirrup is fabricated to 2 stirrups 5, stirrup 5 is rectangle hoop or U-shaped stirrup, then in reinforcing bar web Peg 2 is arranged in 3 two sides, and the adjacent vertical spacing of peg is 100mm, in 3 two sides of reinforcing bar web, increases close to the position of reinforcing bar web Vertically vertical muscle 4, and bound with aforementioned enclosing square stirrup 5, four column framves are formed in 3 surrounding of reinforcing bar web, and pass through peg 2 Concrete inside column frame is connect with reinforcing bar web 3, limits the sliding between concrete and reinforcing bar web 3.
To sum up, a kind of aspect described herein has the advantage that than coated steel frame
(1) this application provides a kind of aspects than coated steel frame, using long narrow cross reinforcing bar, and long narrow The column frame that the periphery two sides installation of cross reinforcing bar is formed by connecting by stirrup and vertical muscle square crossing, improves reinforcing bar and reinforcing bar is mixed The overall performance of soil is coagulated, and long narrow cross reinforcing bar can improve the plastic deformation ability of concrete short column, improves concrete short column Anti-seismic performance.
(2) it when herein described stirrup installation, is not required to punch on long narrow cross reinforcing bar, stirrup does not need guiding through long narrow yet Cross reinforcing bar web wears web hooping without welding, reduces the installation procedure of three concrete short columns, shorten and constructed Journey reduces difficulty of construction, shortens the construction period, reduce construction cost.
(3) herein described concrete short column install when, using peg will pour the concrete inside column frame with it is narrow Long cross reinforcing bar connection, limits the sliding between concrete and reinforcing bar.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include Within protection scope of the present invention.

Claims (7)

1. a kind of aspect is than coated steel frame, special including reinforcing bar skeleton and the concrete being wrapped on reinforcing bar skeleton Sign is that reinforcing bar skeleton includes long narrow cross reinforcing bar (1), and the periphery two sides of long narrow cross reinforcing bar (1) are equipped with stirrup (5) The column frame being formed by connecting vertical with vertical muscle (4), the long narrow cross reinforcing bar (1) are welded including at least four T font reinforcing bars It forms, the cross section long axis length of long narrow cross reinforcing bar (1) is set as h, and minor axis length is set as b, h/b >=1.5, the stirrup (5) it is rectangle hoop, is mounted on the two sides of the reinforcing bar web (3) of long narrow cross reinforcing bar (1), the vertical muscle (4) is set to narrow The periphery of the reinforcing bar web (3) of long cross reinforcing bar (1) is indulged muscle (4) and stirrup (5) binding and is connected.
2. a kind of aspect according to claim 1 compares coated steel frame, which is characterized in that described long narrow cross Reinforcing bar is welded by four T font reinforcing bars, and four T steel bones are respectively the first T font reinforcing bar, the 2nd T font reinforcing bar, third T font reinforcing bar, the 4th T font reinforcing bar;First T font reinforcing bar is identical as the structure of the 2nd T font reinforcing bar and the first T font reinforcing bar End and the 2nd T font reinforcing bar end in 180 ° welding, the 3rd T font reinforcing bar it is identical as the 4th T font steel skeleton structure and The end of 3rd T font reinforcing bar and the end of the 4th T font reinforcing bar in the connecting portions of 180 ° of welding be the first T font reinforcing bar with The connecting portion of 2nd T font reinforcing bar.
3. a kind of aspect according to claim 1 compares coated steel frame, which is characterized in that the vertical muscle (4) sets It is placed in the two sides of the reinforcing bar web (3) of long narrow cross reinforcing bar (1).
4. a kind of aspect according to claim 1 compares coated steel frame, which is characterized in that the column frame it is interior Portion is poured the concrete of long narrow cross reinforcing bar (1) package.
5. a kind of aspect according to claim 4 compares coated steel frame, which is characterized in that peg (2) weldering It connects on the reinforcing bar web (3) of long narrow cross reinforcing bar (1), and is connect with the concrete in column frame.
6. a kind of aspect according to claim 5 compares coated steel frame, which is characterized in that the stirrup (5) with For peg (2) in the vertical direction in staggered, the spacing between adjacent peg (2) is 1-2 times of stirrup spacing.
7. according to claim 1 to a kind of aspect described in any one of 6 claims than the installation of coated steel frame Method, which comprises the following steps:
1) end of at least four T font reinforcing bars is welded, forms long narrow cross reinforcing bar (1);
2) weld stud (2) on the reinforcing bar web (3) of long narrow cross reinforcing bar (1), the vertical spacing of adjacent peg (2) is 1-2 Times stirrup spacing;
3) rectangle hoop (5) are prepared;
4) vertical muscle (4) are set in the two sides of the reinforcing bar web (3) of long narrow cross reinforcing bar (1);
5) rectangle hoop (5) that step 3) prepares is mounted on to the two sides of the reinforcing bar web (3) of long narrow cross reinforcing bar (1) And it is bound with the vertical muscle (4) of step 4) setting;
6) formwork, casting concrete.
CN201610444515.XA 2016-06-21 2016-06-21 A kind of aspect is than coated steel frame and its installation method Active CN105937289B (en)

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CN109853943A (en) * 2017-11-30 2019-06-07 中国二十冶集团有限公司 Composite steel concrete column distributing bar constructing device and its application method
CN109667384A (en) * 2018-12-22 2019-04-23 广州市天作建筑规划设计有限公司 Steel column and its construction method

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CN102635202B (en) * 2012-04-25 2016-02-17 北京工业大学 Mix FRP pipe steel reinforced concrete coupled column
CN104712062A (en) * 2013-12-17 2015-06-17 张菊 Assembly type steel reinforced concrete column and steel girder friction type joint and implementation method thereof
JP2014055517A (en) * 2013-12-25 2014-03-27 Takenaka Komuten Co Ltd Precast beam-column joint structure
CN203741999U (en) * 2014-03-19 2014-07-30 中国建筑第七工程局有限公司 Fabricated building corbel-free concrete beam steel column connecting node
CN105155683A (en) * 2015-08-12 2015-12-16 四川省建筑设计研究院 Prefabricated beam-column connection in prefabricated concrete buildings and construction method thereof
CN105133790A (en) * 2015-08-28 2015-12-09 风范绿色建筑(常熟)有限公司 High-strength square steel tube concrete pillar
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Address after: 610000 No. 688, Tianfu Road, Chengdu hi tech Zone, Sichuan, China

Patentee after: Sichuan architectural design and Research Institute Co., Ltd

Address before: 610000 No. 688, Tianfu Road, Chengdu hi tech Zone, Sichuan, China

Patentee before: SICHUAN PROVINCIAL ARCHITECTURAL DESIGN AND RESEARCH INSTITUTE