CN109024877A - Prestressed concrete beam-steel reinforced concrete column node member - Google Patents

Prestressed concrete beam-steel reinforced concrete column node member Download PDF

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Publication number
CN109024877A
CN109024877A CN201810837095.0A CN201810837095A CN109024877A CN 109024877 A CN109024877 A CN 109024877A CN 201810837095 A CN201810837095 A CN 201810837095A CN 109024877 A CN109024877 A CN 109024877A
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CN
China
Prior art keywords
column
steel
concrete
prestressed concrete
hollow profile
Prior art date
Application number
CN201810837095.0A
Other languages
Chinese (zh)
Inventor
顾征宇
潘钻峰
杨毅超
唐喜
Original Assignee
上海烟草集团有限责任公司
上海市建筑科学研究院
同济大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 上海烟草集团有限责任公司, 上海市建筑科学研究院, 同济大学 filed Critical 上海烟草集团有限责任公司
Priority to CN201810837095.0A priority Critical patent/CN109024877A/en
Publication of CN109024877A publication Critical patent/CN109024877A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/185Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material

Abstract

The present invention provides a kind of prestressed concrete beam-steel reinforced concrete column node member, including profile steel concrete column and prestressed concrete beam, profile steel concrete column includes hollow profile steel column, the upper and lower sides of hollow profile steel column are respectively equipped with real abdomen steel column, and each reality abdomen steel column is connected to the end of hollow profile steel column by connecting column;The steel bar framework structure that the stirrup that prestressed concrete beam includes several longitudinal reinforcements, reinforcing bar level surrounds along longitudinal direction is formed;Presstressed reinforcing steel is equipped in prestressed concrete beam.Hollow profile steel column is used at node of the present invention, can give full play to the excellent anti-seismic performance in real abdomen Column border node region, is also more conducive to construct.Longitudinal reinforcement, reserving hole channel are passed through from the column limb gap of hollow profile steel column in prestressed girder, solves the problems, such as fashioned iron and reinforcing bar warm work, avoid the complex operations such as fashioned iron aperture at node, steel plate reinforcement, bracket welding, sleeve weld, the examination difficulty for reducing reinforced bar engineering, mores easily guarantee construction quality.

Description

Prestressed concrete beam-steel reinforced concrete column node member

Technical field

The present invention relates to structural engineering fields, more particularly to a kind of prestressed concrete beam-steel reinforced concrete Column border node Component.

Background technique

Profile steel concrete column-prestressed concrete beam frame structure have the advantages that numerous steel constructions it is incomparable: hold Height is carried, rigidity is big, and sectional dimension of members is small;Suitable concrete cover improves the durability of structure, fire resistance, saves and uses The maintenance cost of period;Steel column lateral deformation is constrained by concrete, reasonable stress.

Frame joint is horizontal, vertical member engaging portion, is the key position and frame in building, roof load transmitting Most weak in structure, most easily damaged one of position.Node and its near zone bear biggish internal force under geological process, are It realizes " the strong weak component of node ", the aseismatic design concept of " strong shear capacity and weak bending capacity " and requirement, usually need to arrange densification in these regions Reinforcing bar causes reinforcing bar conflict at node serious.Aperture, welding are various in currently used reality abdomen steel column joint form, apply Work difficulty is big, it is difficult to which the quality for guaranteeing reinforced bar engineering increases the difficulty of checking and accepting;Reasonable stress when to ensure reinforcement welding, Arrangement sash plate is also needed, causes concrete construction difficulty in steel column, easily causes node district concreting leakiness, shadow Ring frame joint stress performance.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of prestressed concrete beam-steel reinforced concrete column node member, To overcome the drawbacks described above of the prior art.

To achieve the above object, the present invention provides a kind of prestressed concrete beam-steel reinforced concrete column node member, including Profile steel concrete column and the prestressed concrete beam for being located at the profile steel concrete column two sides, the profile steel concrete column include sky Abdomen steel column, the upper and lower sides of the hollow profile steel column are respectively equipped with real abdomen steel column, and each reality abdomen steel column is connected by connecting column It connects in the end of the hollow profile steel column;The prestressed concrete beam includes several longitudinal reinforcements, reinforcing bar level is enclosed along longitudinal direction Around stirrup formed steel bar framework structure;Presstressed reinforcing steel is equipped in the prestressed concrete beam.

Preferably, the connecting column is in box-shaped.

Preferably, the height of the connecting column is 0.5-1 times of the hollow profile steel column.

Preferably, the hollow profile steel column includes four angle steel, and the both ends of every angle steel connect with corresponding connecting column respectively It connects, the batten plate connection that adjacent angle steel is distributed up and down by muti-piece.

Preferably, the longitudinal reinforcement is extended through the hollow profile steel column from the prestressed concrete beam of side and enters In the prestressed concrete beam of the other side.

Preferably, reserving hole channel is equipped in the prestressed concrete beam, the presstressed reinforcing steel is located at the reserving hole channel It is interior.

Preferably, the presstressed reinforcing steel is extended through the hollow profile steel column from the prestressed concrete beam of side and enters In the prestressed concrete beam of the other side.

The reserving hole channel being preferably located in the prestressed concrete beam of the other side is curvilinear, and end is from described pre- The side of prestressed concrete beam is stretched out.

Preferably, the real abdomen steel column is H profile steel or the cross-shaped steel with the edge of a wing.

As described above, prestressed concrete beam of the present invention-steel reinforced concrete column node member, has beneficial below Effect:

Hollow profile steel column is used at node of the present invention, can give full play to the excellent shock resistance in real abdomen Column border node region Can, it is also more conducive to construct.Longitudinal reinforcement, reserving hole channel are passed through from the column limb gap of hollow profile steel column in prestressed girder, are solved The problem of fashioned iron and reinforcing bar warm work, avoid fashioned iron aperture at node, steel plate reinforcement, bracket welding, sleeve weld etc. Complex operations reduce the examination difficulty of reinforced bar engineering, more easily guarantee construction quality.Meanwhile in beam longitudinal reinforcement at steel column It is not truncated, no setting is required in steel column sash plate, pouring and vibrate convenient for node region concrete is conducive to guarantee node area The stress performance in domain.

Detailed description of the invention

The cross-sectional view of the first embodiment of Fig. 1 present invention.

Fig. 2 is the side sectional view for inventing the first embodiment.

Fig. 3 is the cross-sectional view of second of embodiment of the invention.

Fig. 4 is the side sectional view for inventing second of embodiment.

Fig. 5 be Fig. 1 in section sectional schematic diagram from A-A to the first embodiment of steel column.

Fig. 6 be Fig. 1 in section sectional schematic diagram from A-A to second of embodiment of steel column.

Fig. 7 is B-B direction fashioned iron column section sectional schematic diagram in Fig. 1.

Fig. 8 be in Fig. 1 C-C to fashioned iron column section sectional schematic diagram.

Component label instructions

1 presstressed reinforcing steel

2 longitudinal reinforcements

3 reserving hole channels

4 stirrups

5 real abdomen steel columns

51 edges of a wing

6 connecting columns

7 hollow profile steel columns

71 angle steel

Specific embodiment

Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book is understood other advantages and efficacy of the present invention easily.

It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover In enclosing.Meanwhile in this specification cited such as "upper", "lower", "left", "right", " centre " term, be merely convenient to chat That states is illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing skill without essence It is held in art, when being also considered as the enforceable scope of the present invention.

As shown in Figures 1 to 4, the present invention provides a kind of prestressed concrete beam-steel reinforced concrete column node member, including Profile steel concrete column and the prestressed concrete beam for being located at the profile steel concrete column two sides, the profile steel concrete column include sky Abdomen steel column 7, the upper and lower sides of the hollow profile steel column 7 are respectively equipped with real abdomen steel column 5, and each reality abdomen steel column 5 passes through connection Column 6 is connected to the end of the hollow profile steel column 7, more specifically, the upper end of the hollow profile steel column 7 and a connecting column 6 Bottom welding, which welds with a real abdomen steel column 5, the lower end of the hollow profile steel column 7 and another connecting column 6 top welding, the connecting column 6 are welded with another real abdomen steel column 5.The prestressed concrete beam includes several longitudinal steel The steel bar framework structure that muscle 2, the stirrup 4 that 2 level of reinforcing bar surrounds along longitudinal direction are formed;It is equipped in the prestressed concrete beam and answers in advance Power muscle 1 makes up the gap between concrete and rebar stretching strain so as to make full use of high-strength material.

Picture 1-4, shown in Fig. 7, it is preferable that the connecting column 6 is hollow box structure, and the connecting column 6 cannot mistake Short or too long, the height of the connecting column 6 is 0.5-1 times of the hollow profile steel column 7, to guarantee the reliable of each component connection Property.

Picture 1-4, shown in Fig. 8, it is preferable that the hollow profile steel column 7 selects angle steel or channel steel form, and following present angles Steel embodiment, the hollow profile steel column 7 include four angle steel, and the both ends of every angle steel are connected with corresponding connecting column 6 respectively, Adjacent angle steel 71 is connected by the batten plate 71 that muti-piece is distributed up and down, the spacing of the adjacent batten plate 71 by longitudinal reinforcement in beam and The position of presstressed reinforcing steel 1 determines.

As shown in Figure 2 and Figure 4, it is preferable that the longitudinal reinforcement 2 is extended through institute from the prestressed concrete beam of side State hollow profile steel column 7 enter the other side prestressed concrete beam in, the longitudinal reinforcement 2 between two batten plates 71 pass through institute Hollow profile steel column 7 is stated, without truncation, avoids the complexity such as fashioned iron aperture at node, steel plate reinforcement, bracket welding, sleeve weld Operation, reduces the examination difficulty of reinforced bar engineering, mores easily guarantee construction quality.

Preferably, reserving hole channel 3 is equipped in the prestressed concrete beam, the presstressed reinforcing steel 1 is located at the preformed hole In road 3.The reserving hole channel 3 is extended through the hollow profile steel column 7 into the other side from the prestressed concrete beam of side Prestressed concrete beam in, so that the presstressed reinforcing steel 1 is extended through the empty stomach from the prestressed concrete beam of side Steel column 7 enters in the prestressed concrete beam of the other side.As shown in Figure 3 and Figure 4, it is preferable that the prestressing force positioned at the other side Reserving hole channel 3 in beams of concrete is curvilinear, and end is stretched out from the side of the prestressed concrete beam, the prestressing force The position that 1 tensioning of muscle comes out is determined according to the forced position of beams of concrete.

As shown in Figure 5 and Figure 6, it is preferable that the reality abdomen steel column 5 is H profile steel or the cross-shaped steel with the edge of a wing 51, The edge of a wing 51 of H profile steel or cross-shaped steel is connected using angle fillet mode, is welded on steel web.

Real abdomen steel column 5 of the invention, hollow profile steel column 7, changeover portion connecting column 6 processing is completed in factory, it is empty The position of batten plate 71 need to be appropriate to increase batten plate 71 in view of the absolute altitude of longitudinal reinforcement 2 and reserving hole channel 3 in beam on abdomen steel column 7 Spacing avoids clashing because of construction error, and transition is welded in the direction that hollow profile steel column 7 need to connect real abdomen steel column 5 Section connecting column 6 transports to construction site after quality examination is qualified.

It, will connection after position is errorless by hollow profile steel column 7 and the lifting of connecting column 6, correction after real abdomen steel column 5 fixes Column 6 is welded with real abdomen steel column 5, and after vertical muscle is established in steel column, binding stirrup forms framework of steel reinforcement;Longitudinal reinforcement in beam 2, the gap that reserving hole channel 3 passes through hollow profile steel column 7 is arranged, and pouring for concrete is carried out after the completion of form work engineering.To mixed When the 100% of design strength is arrived in solidifying soil maintenance, the tensioning of presstressed reinforcing steel 1 is carried out, reliably anchors and is in the milk after tensioning in place.

Hollow profile steel column is used at node of the present invention, can give full play to the excellent shock resistance in real abdomen Column border node region Can, it is also more conducive to construct.Longitudinal reinforcement, reserving hole channel are passed through from the column limb gap of hollow profile steel column in prestressed girder, are solved The problem of fashioned iron and reinforcing bar warm work, avoid fashioned iron aperture at node, steel plate reinforcement, bracket welding, sleeve weld etc. Complex operations reduce the examination difficulty of reinforced bar engineering, more easily guarantee construction quality.Meanwhile in beam longitudinal reinforcement at steel column It is not truncated, no setting is required in steel column sash plate, pouring and vibrate convenient for node region concrete is conducive to guarantee node area The stress performance in domain correspondingly improves 1-2 grades using empty stomach column steel performance index, guarantees " strong node ".

In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.

The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as At all equivalent modifications or change, should be covered by the claims of the present invention.

Claims (9)

1. a kind of prestressed concrete beam-steel reinforced concrete column node member, which is characterized in that including profile steel concrete column and set Prestressed concrete beam in the profile steel concrete column two sides, the profile steel concrete column includes hollow profile steel column (7), described The upper and lower sides of hollow profile steel column (7) are respectively equipped with real abdomen steel column (5), and each reality abdomen steel column (5) is connected by connecting column (6) In the end of the hollow profile steel column (7);The prestressed concrete beam includes several longitudinal reinforcements (2), along longitudinal direction reinforcing bar (2) The steel bar framework structure that the stirrup (4) that level surrounds is formed;Presstressed reinforcing steel (1) is equipped in the prestressed concrete beam.
2. prestressed concrete beam according to claim 1-steel reinforced concrete column node member, it is characterised in that: described Connecting column (6) is in box-shaped.
3. prestressed concrete beam according to claim 2-steel reinforced concrete column node member, it is characterised in that: described The height of connecting column (6) is 0.5-1 times of the hollow profile steel column (7).
4. prestressed concrete beam according to claim 1-steel reinforced concrete column node member, it is characterised in that: described Hollow profile steel column (7) includes four angle steel, and the both ends of every angle steel are connected with corresponding connecting column (6) respectively, adjacent angle steel Batten plate (71) connection being distributed up and down by muti-piece.
5. prestressed concrete beam according to claim 1-steel reinforced concrete column node member, it is characterised in that: described Longitudinal reinforcement (2) is extended through the hollow profile steel column (7) from the prestressed concrete beam of side and answers into the pre- of the other side In power beams of concrete.
6. prestressed concrete beam according to claim 1-steel reinforced concrete column node member, it is characterised in that: described Reserving hole channel (3) are equipped in prestressed concrete beam, the presstressed reinforcing steel (1) is located in the reserving hole channel (3).
7. prestressed concrete beam according to claim 6-steel reinforced concrete column node member, it is characterised in that: described Presstressed reinforcing steel (1) is extended through the hollow profile steel column (7) from the prestressed concrete beam of side and answers into the pre- of the other side In power beams of concrete.
8. prestressed concrete beam according to claim 7-steel reinforced concrete column node member, it is characterised in that: be located at Reserving hole channel (3) in the prestressed concrete beam of the other side is curvilinear, and end is from the side of the prestressed concrete beam Side is stretched out.
9. prestressed concrete beam according to claim 1-steel reinforced concrete column node member, it is characterised in that: described Real abdomen steel column (5) is H profile steel or the cross-shaped steel for having the edge of a wing (51).
CN201810837095.0A 2018-07-26 2018-07-26 Prestressed concrete beam-steel reinforced concrete column node member CN109024877A (en)

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Application Number Priority Date Filing Date Title
CN201810837095.0A CN109024877A (en) 2018-07-26 2018-07-26 Prestressed concrete beam-steel reinforced concrete column node member

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0525854A (en) * 1991-07-19 1993-02-02 Fujita Corp Joint structure of column and beam
CN204609002U (en) * 2015-05-08 2015-09-02 中国电建集团成都勘测设计研究院有限公司 Profile steel concrete column and prestressed girder frame joint
CN205875395U (en) * 2016-08-02 2017-01-11 北京市建筑工程研究院有限责任公司 Prestressing force is from restoring to throne assembled concrete frame beam column node
JP2017155464A (en) * 2016-03-01 2017-09-07 株式会社大林組 Beam-column joint structure
CN108252457A (en) * 2018-01-24 2018-07-06 江南大学 A kind of steel core concrete column and manufacturing method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0525854A (en) * 1991-07-19 1993-02-02 Fujita Corp Joint structure of column and beam
CN204609002U (en) * 2015-05-08 2015-09-02 中国电建集团成都勘测设计研究院有限公司 Profile steel concrete column and prestressed girder frame joint
JP2017155464A (en) * 2016-03-01 2017-09-07 株式会社大林組 Beam-column joint structure
CN205875395U (en) * 2016-08-02 2017-01-11 北京市建筑工程研究院有限责任公司 Prestressing force is from restoring to throne assembled concrete frame beam column node
CN108252457A (en) * 2018-01-24 2018-07-06 江南大学 A kind of steel core concrete column and manufacturing method

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