CN106351333B - A kind of precast concrete slab-column connections and attaching method thereof - Google Patents

A kind of precast concrete slab-column connections and attaching method thereof Download PDF

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Publication number
CN106351333B
CN106351333B CN201610895524.0A CN201610895524A CN106351333B CN 106351333 B CN106351333 B CN 106351333B CN 201610895524 A CN201610895524 A CN 201610895524A CN 106351333 B CN106351333 B CN 106351333B
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Prior art keywords
slab
precast
fixed
angle steel
column
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CN106351333A (en
Inventor
郑文忠
周威
侯晓萌
王英
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Harbin Institute of Technology
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Harbin Institute of Technology
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    • 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
    • E04B1/20Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • 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
    • E04B1/20Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21Connections specially adapted therefor
    • 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
    • E04B1/38Connections for building structures in general

Abstract

A kind of precast concrete slab-column connections and attaching method thereof, it is related to field of civil engineering.The present invention is to solve existing slab-column connections area reinforcement constitution complexity, pours difficulty, speed of application is slow, the poor problem of economy.Slab-column connections include precast concrete column, precast slab, angle steel is fixed in four lower end support angle steels and four upper ends, the middle part of precast slab is equipped with rectangular through-hole, precast concrete column is inserted into rectangular through-hole, angle steel is fixed in lower end support angle steel and a upper end there are one being all provided on the side wall of precast concrete column, one end that angle steel is fixed in each lower end support angle steel and upper end is fixed on the side wall of precast concrete column, the other end of each lower end support angle steel is fixed on the lower face of precast slab, the other end that angle steel is fixed in each upper end is fixed on the upper surface of precast slab.Connection method includes:Location and installation;Position precast slab;Fixed precast slab.The present invention is used to form prefabricated plate-column structure.

Description

A kind of precast concrete slab-column connections and attaching method thereof
Technical field
The present invention relates to a kind of precast concrete slab-column connections and attaching method thereof.
Background technology
The space of plate-column structure is unobstructed succinct, and horizontal layout is flexible, realizes indoor without beam, high-rise civilian is built suitable for more It builds and the industrial buildings such as workshop, warehouse.Currently, frequently with cast-in-place concrete plate-column structure, the node area that plate intersects with column is answered With enough bending resistances, shearing resistance and cutting-bearing capacity, node area reinforcement constitution is complicated, and arrangement is intensive, often results in concrete and pours Difficulty is built, is unfavorable for ensureing that structural concrete quality, speed of application are slow;It is needed in cast-in-place concrete plate-column structure work progress A large amount of templates, support, recycling rate of waterused is relatively low, causes the wasting of resources, and economy is also poor.
Invention content
The present invention is complicated in order to solve existing slab-column connections area reinforcement constitution, pours difficulty, and speed of application is slow, economy compared with The problem of difference, and then a kind of precast concrete slab-column connections of proposition and attaching method thereof.
The present invention adopts the technical scheme that solve above-mentioned technical problem:
A kind of precast concrete slab-column connections include precast concrete column, precast slab, four lower end support angle steels Angle steel is fixed with four upper ends, the middle part of precast slab is equipped with rectangular through-hole, and precast concrete column is vertically inserted in rectangle In through-hole, it is all provided with that there are one lower end support angle steels and upper end to fix angle steel on four side walls of precast concrete column, each One end that angle steel is fixed in lower end support angle steel and upper end is fixed on the side wall of precast concrete column, each lower end support angle steel The other end is fixed on the lower face of precast slab, and the other end that angle steel is fixed in each upper end is fixed in precast slab Upper surface on.
A kind of connection method of precast concrete slab-column connections includes the following steps:
Step 1:Location and installation:Precast concrete column is inserted into rectangular through-hole first, then by precast concrete column It is fixed, and precast slab is promoted to predeterminated position;
Step 2:Position precast slab:Flute profile model is positioned:Lower end branch is installed in the lower end of precast slab Support angle steel is used in combination prick post bolt to be fixed in precast concrete column;
Step 3:Fixed precast slab:Upper end fixed angles steel is installed in the upper end of precast slab, prick post is used in combination Bolt is fixed in precast concrete column, while being fixed between angle steel lower end support angle steel and upper end with threading bolt and being fixed.
The advantageous effect that the present invention includes compared with prior art is:The present invention can effectively improve plate-column structure construction effect Rate simplifies construction technology, while ensureing slab-column connections bending resistance, shearing resistance and cutting-bearing capacity, avoids slab-column connections The problems such as area's reinforcement constitution is complicated, while saving a large amount of templates, support and labour, remarkable in economical benefits.The present invention has Efficiently, the features such as safe, durable, it can be ensured that prefabricated plate-column structure quality.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the A-A direction views in Fig. 2.
Specific implementation mode
Specific implementation mode one:Illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, a kind of concrete described in present embodiment Native slab-column connections include that angle steel is fixed in precast concrete column 1,2, four lower end support angle steels 4 of precast slab and four upper ends 5, the middle part of precast slab 2 is equipped with rectangular through-hole 2-1, and precast concrete column 1 is vertically inserted in rectangular through-hole 2-1, in advance Angle steel 5, each lower end branch are fixed in lower end support angle steel 4 and a upper end there are one being all provided on four side walls of concrete column 1 processed One end that angle steel 5 is fixed in support angle steel 4 and upper end is fixed on the side wall of precast concrete column 1, each lower end support angle steel 4 it is another One end is fixed on the lower face of precast slab 2, and the other end that angle steel 5 is fixed in each upper end is fixed in precast slab On 2 upper surface.
So design first arrives the inserting of precast concrete column 1 in rectangular through-hole 2-1, then when connecting slab-column connections Precast concrete column 1 is fixed, and precast slab 2 is promoted and arrives predeterminated position, later in the lower end of precast slab 2 Lower end support angle steel 4 is installed, upper end fixed angles steel 5 is installed in the upper end of precast slab 2, and 5 He of angle steel is fixed into upper end The both ends of lower end support angle steel 4 are fixed respectively.
Specific implementation mode two:Illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, a kind of concrete described in present embodiment Native slab-column connections further include multiple prick post bolts 7 and multiple threading bolts 8, between opposite two lower end support angle steels 4 and phase To two upper ends fix angle steel 5 between respectively pass through multiple prick post bolts 7 connection, per side lower end support angle steel 4 and upper end It is connected respectively by multiple threading bolts 8 between fixed angle steel 5.The technical features not disclosed in this embodiment and specific implementation Mode one is identical.
So one end of lower end support angle steel 4 and upper end fixation angle steel 5 is fixed on pre- by design by multiple prick post bolts 7 On concrete column 1 processed, lower end support angle steel 4 and upper end are fixed by multiple threading bolts 8 angle steel 5 the other end be fixed on it is pre- On concrete slab 2 processed.Can preformed hole be set in precast concrete column 1 and precast slab 2 in advance in present embodiment, Prick post bolt 7 and threading bolt 8 are realized pair by precast concrete column 1 and precast slab 2 in the preformed hole of design position It draws, by pressure transmission to the side of precast concrete column 1.
Specific implementation mode three:Illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, precast slab 2 described in present embodiment Upper and lower end face on be all provided with there are four pre-embedded steel slab 3, pre-embedded steel slab 3 is arranged in the edge of rectangular through-hole 2-1, lower end support angle steel 4 other end is fixed on the pre-embedded steel slab 3 on 2 lower face of precast slab, and the other end that angle steel 5 is fixed in each upper end is solid It is connected on the pre-embedded steel slab 3 on 2 upper surface of precast slab.The technical features not disclosed in this embodiment and specific implementation Mode one or two is identical.
So pre-embedded steel slab 3 is arranged by the upper and lower ends in precast slab 2 in design, and upper end is made to fix 5 He of angle steel Lower end support angle steel 4 is respectively acting on pre-embedded steel slab 3, and damaged to prevent 2 stress of precast slab from occurring, enhancing is whole strong Degree.
Specific implementation mode four:Illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, precast concrete column 1 described in present embodiment Side wall and the side wall of rectangular through-hole 2-1 between be filled with screed 6.The technical features not disclosed in this embodiment with it is specific Embodiment three is identical.
Such design is filled up the gap between precast concrete column 1 and precast slab 2 with screed 6, Neng Goushi Existing effective position between precast concrete column 1 and precast slab 2, make precast concrete column 1 and precast slab 2 it Between formed an entirety, enhance the intensity of entire slab-column connections.
Specific implementation mode five:Illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, the multiple prick post bolt of present embodiment 7 Level is inserted into precast concrete column 1 respectively, and multiple threading bolts 8 are inserted on precast slab 2 vertically respectively.This reality Undocumented technical characteristic in mode is applied to be identical with embodiment two.
So design makes prick post bolt 7 and threading bolt 8 be arranged respectively along horizontal and vertical direction so that precast concrete The stress equalization of column 1 and precast slab 2.
Specific implementation mode six:Illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, a kind of concrete described in present embodiment The connection method of native slab-column connections includes the following steps:
Step 1:Location and installation:The inserting of precast concrete column 1 is arrived in rectangular through-hole 2-1 first, then by concrete Earth pillar 1 is fixed, and precast slab 2 is promoted and arrives predeterminated position;
Step 2:Position precast slab 2:Flute profile model is positioned:Lower end is installed in the lower end of precast slab 2 Support angle steel 4 is used in combination prick post bolt 7 to be fixed in precast concrete column 1;
Step 3:Fixed precast slab 2:Upper end fixed angles steel 5 is installed in the upper end of precast slab 2, is used in combination Prick post bolt 7 is fixed in precast concrete column 1, while lower end support angle steel 4 and upper end are fixed angle steel 5 with threading bolt 8 Between it is fixed.
Specific implementation mode seven:Illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, pre- in step 3 described in present embodiment Filling screed 6 is first had to before the upper end installation upper end fixed angles steel 5 of concrete slab 2 processed, by the side wall of precast concrete column 1 Gap screed 6 between the side wall of rectangular through-hole 2-1 fills up.The technical features not disclosed in this embodiment with it is specific Embodiment six is identical.
Specific implementation mode eight:Illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, step 2 and step described in present embodiment It is equipped with multiple prepared screw-bolt hole holes 9 in three in precast concrete column 1 in the horizontal direction, prick post bolt 7 is inserted into prepared screw-bolt hole In hole 9, the diameter in prepared screw-bolt hole hole 9 meets the construction requirement of prick post bolt 7.The technical features not disclosed in this embodiment It is identical as specific implementation mode six or seven.
Specific implementation mode nine:Illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, solid in step 3 described in present embodiment After setting upper end fixation angle steel 5 and lower end support angle steel 4, upper end is fixed to the pre-buried steel of angle steel 5 and 2 upper end of precast slab Plate 3 is welded to connect, and lower end support angle steel 4 and the pre-embedded steel slab 3 of 2 lower end of precast slab are welded to connect.In present embodiment Undocumented technical characteristic is identical as specific implementation mode eight.
So design more enhances the strength and stability of slab-column connections.
Operation principle
First by the inserting to rectangular through-hole 2-1 of precast concrete column 1, then precast concrete column 1 is fixed, and will be pre- Concrete slab 2 processed, which is promoted, arrives predeterminated position;Flute profile model is positioned:Lower end strut angle is installed in the lower end of precast slab 2 Steel 4 is used in combination prick post bolt 7 to be fixed in precast concrete column 1;By the side of the side wall of precast concrete column 1 and rectangular through-hole 2-1 Gap screed 6 between wall fills up, and installs upper end fixed angles steel 5 in the upper end of precast slab 2, prick post bolt is used in combination 7 are fixed in precast concrete column 1, while fixing between angle steel 5 lower end support angle steel 4 and upper end with threading bolt 8 and fixing.

Claims (6)

1. a kind of precast concrete slab-column connections, a kind of precast concrete slab-column connections include precast concrete column (1), pre- Angle steel (5), the middle part of precast slab (2) are fixed in concrete slab (2), four lower end support angle steels (4) and four upper ends processed Equipped with rectangular through-hole (2-1), precast concrete column (1) is vertically inserted in rectangular through-hole (2-1), precast concrete column (1) Angle steel (5), each lower end support angle steel (4) are fixed in lower end support angle steel (4) and a upper end there are one being all provided on four side walls With upper end fix angle steel (5) one end be fixed on the side wall of precast concrete column (1), each lower end support angle steel (4) it is another One end is fixed on the lower face of precast slab (2), and the other end that angle steel (5) is fixed in each upper end is fixed in concrete On the upper surface of native plate (2);
A kind of precast concrete slab-column connections further include multiple prick post bolts (7) and multiple threading bolts (8), and opposite two Between a lower end support angle steel (4) and opposite two upper ends are fixed between angle steel (5) to be connected by multiple prick post bolts (7) respectively It connects, the lower end support angle steel (4) and upper end per side are fixed between angle steel (5) and connected respectively by multiple threading bolts (8);It is special Sign is:It is all provided on the upper and lower end face of the precast slab (2) there are four pre-embedded steel slab (3), pre-embedded steel slab (3) setting exists The edge of rectangular through-hole (2-1), the other end of lower end support angle steel (4) are fixed in pre- on precast slab (2) lower face It buries on steel plate (3), the other end that angle steel (5) is fixed in each upper end is fixed in the pre-buried steel on precast slab (2) upper surface On plate (3).
2. a kind of precast concrete slab-column connections according to claim 1, it is characterised in that:The precast concrete column (1) Side wall and the side wall of rectangular through-hole (2-1) between be filled with screed (6).
3. a kind of precast concrete slab-column connections according to claim 1, it is characterised in that:The multiple prick post bolt (7) Level is inserted into precast concrete column (1) respectively, and multiple threading bolts (8) are inserted into precast slab (2) vertically respectively On.
4. a kind of connection method of precast concrete slab-column connections, the described connection method include the following steps:
Step 1:Location and installation:It is first that precast concrete column (1) inserting is interior to rectangular through-hole (2-1), then by concrete Earth pillar (1) is fixed, and precast slab (2) is promoted and arrives predeterminated position;
Step 2:Position precast slab (2):Flute profile model is positioned:Lower end is installed in the lower end of precast slab (2) Support angle steel (4) is used in combination prick post bolt (7) to be fixed in precast concrete column (1);
Step 3:Fixed precast slab (2):In the upper end of precast slab (2) installation upper end fixed angles steel (5), and It is fixed in precast concrete column (1) with prick post bolt (7), while with threading bolt (8) by lower end support angle steel (4) and upper end It is fixed between fixed angle steel (5);It is characterized in that:It is solid in the upper end of precast slab (2) installation upper end in the step 3 Determine to first have to filling screed (6) before angle steel (5), by the side wall of the side wall of precast concrete column (1) and rectangular through-hole (2-1) Between gap filled up with screed (6).
5. a kind of connection method of precast concrete slab-column connections according to claim 4, it is characterised in that:The step 2 With in precast concrete column in step 3 (1) in the horizontal direction be equipped with multiple prepared screw-bolt hole holes (9), prick post bolt (7) inserting In prepared screw-bolt hole hole (9), the diameter of prepared screw-bolt hole hole (9) meets the construction requirement of prick post bolt (7).
6. a kind of connection method of precast concrete slab-column connections according to claim 5, it is characterised in that:The step 3 In after fixing upper end and fixing angle steel (5) and lower end support angle steel (4), by upper end fixation angle steel (5) and precast slab (2) pre-embedded steel slab (3) of upper end is welded to connect, the pre-embedded steel slab of lower end support angle steel (4) and precast slab (2) lower end (3) it is welded to connect.
CN201610895524.0A 2016-10-13 2016-10-13 A kind of precast concrete slab-column connections and attaching method thereof Active CN106351333B (en)

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CN107975170A (en) * 2017-10-13 2018-05-01 四川动和工程咨询有限公司 A kind of anti-dropout precast floor slab unit
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CN107740523A (en) * 2017-10-13 2018-02-27 四川动和工程咨询有限公司 A kind of anti-dropout precast floor slab unit
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CN107795051A (en) * 2017-10-13 2018-03-13 四川动和工程咨询有限公司 A kind of anti-dropout precast floor slab unit
CN107975175A (en) * 2017-10-13 2018-05-01 四川动和工程咨询有限公司 A kind of anti-dropout precast floor slab unit
CN107956263A (en) * 2017-10-13 2018-04-24 四川动和工程咨询有限公司 A kind of anti-dropout precast floor slab unit
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CN107795054A (en) * 2017-10-13 2018-03-13 四川动和工程咨询有限公司 A kind of anti-dropout precast floor slab unit
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