CN104790522A - Prefabricated assembling type steel-reinforced concrete column-steel beam frame structure system and construction method - Google Patents

Prefabricated assembling type steel-reinforced concrete column-steel beam frame structure system and construction method Download PDF

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CN104790522A
CN104790522A CN201510141362.7A CN201510141362A CN104790522A CN 104790522 A CN104790522 A CN 104790522A CN 201510141362 A CN201510141362 A CN 201510141362A CN 104790522 A CN104790522 A CN 104790522A
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steel
concrete
column
node
longitudinal reinforcement
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CN104790522B (en
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李俊华
裘哲俊
胡武荣
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Ningbo University
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Ningbo University
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Abstract

The invention discloses a prefabricated assembling type steel-reinforced concrete column-steel beam frame structure system and a construction method. The prefabricated assembling type steel-reinforced concrete column-steel beam frame structure system comprises an upper prefabricated steel-reinforced concrete column, a prefabricated steel-reinforced concrete joint column and a lower prefabricated steel-reinforced concrete column. In the construction method, the upper prefabricated steel-reinforced concrete column, the prefabricated steel-reinforced concrete joint column and the lower prefabricated steel-reinforced concrete column are manufactured in a factory; in the construction field, the upper prefabricated steel-reinforced concrete column and the prefabricated steel-reinforced concrete joint column are spliced, the prefabricated steel-reinforced concrete joint column and the lower prefabricated steel-reinforced concrete column are spliced, and concrete pouring is carried out on spliced positions. The prefabricated assembling type steel-reinforced concrete column-steel beam frame structure system and the construction method have the advantages that in the field construction, it is only needed to fixedly connect the lower end of an upper center type steel column and the upper end of a joint center type steel column and fixedly connect the lower end of the joint center type steel column and the upper end of a lower center type steel column, and then an upper concrete to-be-poured layer and a lower concrete to-be-poured layer are poured; the field construction is simple, the construction period is short, the field wet operation is little, and transporting is convenient.

Description

Prefabricated assembled steel reinforced concrete column-steel beam frame structure system and construction method
Technical field
The present invention relates to a kind of concrete structural system, especially a kind of prefabricated assembled steel reinforced concrete column-steel beam frame structure system and construction method.
Background technology
Compared with cast-in-place concrete structure, precast concrete have be convenient to large-scale industrial production, be easy to control to build that quality, site operation wet trade are few, speed of application fast, high financial profit, many advantages such as low in the pollution of the environment.In recent years, country and local government pay attention to the industrialization development built, and therefore, development prefabricated costruction, realizes industrialization of construction industry, are one of main trend of future architecture industry development.In China, frame construction is architecture structure form the most widely, and be also prefabricated costruction form the most common, prefabricated assembled frame construction mainly comprises Precast Concrete Frame and steel framed structure these two kinds.The connecting structure of Precast Concrete Frame is comparatively complicated, and the globality of structure is poor, and its anti-seismic performance needs to be studied further.Steel framed structure can adopt welding, and bolt connects, and speed of application is fast, and anti-seismic performance is good, but corrosion resistance is poor and cost is high, deficiency in economic performance.And adopt precasting steel concrete frame construction to be the effective way solving appeal contradiction, therefore, start both at home and abroad to have carried out certain research to precasting steel concrete frame construction, achieve corresponding achievement, and propose precasting steel concrete frame structure system.
Existing precasting steel concrete frame structure system comprises precasting steel concrete column and section steel beam, and the design of precasting steel concrete frame structure system and the difficult point of construction are the joint core region of both junctions.For meeting joint core region performance requirement, the stirrup in joint core region is more more intensive than the stirrup distribution at other positions of precasting steel concrete column.In current site operation process, still take the mode in cast-in-site joint core region.Cast-in-site node is adopted to there is following problem: (1) is because of the centre type steel column in joint core region, vertical muscle, stirrup complicated layout, One's name is legion, extremely inconvenient during joint connection in site, make that joint connection in site operation is many, construction is complicated and substantially prolongs the construction period; (2) owing to needing to carry out concrete cast-in-site to the node region of profile steel concrete column-girder steel, make situ wet operation many.Certainly also have at the good precasting steel concrete column of plant produced and section steel beam connector now, but the prefabricated units of this structure are greatly bulky, transport difficult.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of prefabricated assembled steel reinforced concrete column-steel beam frame structure system and construction method, adopts this structural system to have the advantage that joint connection in site operation is few, construction is simple, the duration is short, situ wet operation is few and conveniently transport.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of prefabricated assembled steel reinforced concrete column-steel beam frame structure system, comprise precasting steel concrete column, precasting steel concrete node post and lower precasting steel concrete column, described upper precasting steel concrete column comprises centre type steel column and upper concrete clad, described upper concrete clad is coated on described upper centre type steel column periphery and the end portion of described upper centre type steel column is exposed to described upper concrete clad, described lower precasting steel concrete column comprises lower centre type steel column and lower concrete clad, described lower concrete clad is coated on described lower centre type steel column periphery and the upper part of described lower centre type steel column is exposed to described lower concrete clad, described precasting steel concrete node post comprises node center steel column, node concrete clad and i iron bracket, described node concrete clad is coated on the periphery of described node center steel column and the two ends of described node center steel column are exposed to described node concrete clad respectively, described i iron bracket is vertically fixed on the external surface that i iron bracket part on described node center steel column and described stretches out described node concrete clad, the lower end surface of described upper centre type steel column is fixedly connected with the upper end end face of described node center steel column, the lower end surface of described node center steel column is fixedly connected with the upper end end face of described lower centre type steel column, concrete layer to be poured is formed between described upper concrete clad and described node concrete clad, lower concrete layer to be poured is formed between described lower concrete clad and described node concrete clad.
The lower end side of described upper centre type steel column is fixedly connected with by the first coupling assembling with the upper side of described node center steel column, and the lower end surface of described upper centre type steel column and the upper end end face of described node center steel column are welded and fixed; The lower end side of described node center steel column is fixedly connected with by the second coupling assembling with the upper side of described lower centre type steel column, and the upper end end face of the lower end surface of described node center steel column and described lower centre type steel column is welded and fixed.First be fixedly connected with the upper side of node center steel column by the lower end side of the first coupling assembling by upper centre type steel column, the upper end end face of lower end surface and node center steel column that the effect serving location is conducive to centre type steel column is welded and fixed; First the upper side of the lower end side of node center steel column with lower centre type steel column be fixedly connected with by the second coupling assembling, the upper end end face of lower end surface and centre type steel column that the effect serving location is conducive to node center steel column is welded and fixed.
The first described coupling assembling comprising the first otic placode in the lower end side being arranged on described upper centre type steel column, being arranged on the second otic placode in the upper side of described node center steel column and the first junction steel plate for being fixedly connected with the first described otic placode and the second described otic placode; The second described coupling assembling comprising third ear plate in the lower end side being arranged on described node center steel column, being arranged on the 4th otic placode in the upper side of described lower centre type steel column and the second junction steel plate for being fixedly connected with described third ear plate and the 4th described otic placode.By threaded fastener, one end of the first junction steel plate is fixedly connected with the first otic placode, by threaded fastener, the other end of the first junction steel plate is fixedly connected with the second otic placode; By threaded fastener, one end of the second junction steel plate is fixedly connected with third ear plate, by threaded fastener, the other end of the second junction steel plate is fixedly connected with the 4th otic placode, assembles very convenient, increase work efficiency.
Also comprise section steel beam, the web of described section steel beam is fixedly connected with by the web of the 3rd coupling assembling with described i iron bracket, the top flange of described section steel beam and the top flange of described i iron bracket are welded and fixed, and the bottom flange of described section steel beam and the bottom flange of described i iron bracket are welded and fixed.Because precasting steel concrete node post has been made in advance in factory, and cannot directly section steel beam be fixed on node concrete clad in constructing at the scene, the connection connected for section steel beam and precasting steel concrete node post by the i shaped steel bracket be arranged in advance on node center steel column is provided convenience.
The 3rd described coupling assembling comprises the 3rd junction steel plate and threaded fastener, one end of the 3rd described junction steel plate is fixedly connected with by the web of described threaded fastener with described i iron bracket, and the other end of the 3rd described junction steel plate is fixedly connected with by the web of described threaded fastener with described section steel beam.
The top flange of described section steel beam and the top flange of described i iron bracket are fixedly installed profiled sheet respectively by peg, and described profiled sheet upper has layer of concrete.After i iron bracket has been connected with section steel beam, the top flange of the top flange of section steel beam and i iron bracket lays profiled sheet, can cast in situs be carried out, without the need to formwork at once; In building construction, can the floor of many floors build simultaneously, the reduction of erection time greatly, very convenient.
Longitudinally run through in described upper concrete clad and have many upper longitudinal reinforcements, described upper longitudinal reinforcement is centered around outside described upper centre type steel column, described upper concrete clad is stretched out in the lower end of described upper longitudinal reinforcement, longitudinally run through in described node concrete clad and have many root nodes longitudinal reinforcement, described node longitudinal reinforcement is centered around outside described node center steel column, described node concrete clad is stretched out at the two ends of described node longitudinal reinforcement respectively, longitudinally run through in described lower concrete clad and have many lower longitudinal reinforcements, described lower longitudinal reinforcement is centered around outside described lower centre type steel column, described lower concrete clad is stretched out in the upper end of described lower longitudinal reinforcement, the lower end of described upper longitudinal reinforcement is fixedly connected with by the upper end of the first sleeve pipe with described node longitudinal reinforcement, the lower end of described node longitudinal reinforcement is fixedly connected with by the upper end of the second sleeve pipe with described lower longitudinal reinforcement.
A construction method for prefabricated assembled steel reinforced concrete column-steel beam frame structure system, comprises the following steps:
(1), upper centre type steel column is placed into center, upper longitudinal reinforcement is arranged in around upper centre type steel column, subsequently by the uniform colligation in stirrup circle interval on upper longitudinal reinforcement, upper concrete clad is poured into upper centre type steel column, upper longitudinal reinforcement and stirrup circle periphery and obtains upper precasting steel concrete column, concrete clad is all stretched out in the lower end of upper centre type steel column and the lower end of upper longitudinal reinforcement;
Node center steel column is placed into center, the edge of a wing of one end of i iron bracket and node center steel column is welded and fixed, node longitudinal reinforcement is arranged in around node center steel column, by uniform for stirrup interval colligation on node longitudinal reinforcement, node concrete clad is poured into node center steel column, node longitudinal reinforcement and stirrup circle periphery obtain precasting steel concrete node post, node concrete clad is all stretched out at the two ends of node center steel column and the two ends of node longitudinal reinforcement, i iron bracket stretches out the external surface of node concrete clad,
Lower centre type steel column is placed into center, lower longitudinal reinforcement is arranged in around lower centre type steel column, subsequently by the uniform colligation in stirrup circle interval on longitudinal reinforcement, lower concrete clad is poured into lower centre type steel column, lower longitudinal reinforcement and stirrup circle periphery and obtains lower precasting steel concrete column, lower concrete clad is all stretched out in the upper end of lower centre type steel column and the upper end of lower longitudinal reinforcement;
(2), by lower precasting steel concrete column be assembled to installation site, then the upper end end face of the lower end surface of node center steel column with lower centre type steel column alignd, precasting steel concrete node post is mounted on lower precasting steel concrete column;
(3), the upper end of lower longitudinal reinforcement is fixedly connected with by the second sleeve pipe with the lower end of node longitudinal reinforcement, one end of second junction steel plate is fixedly connected with by threaded fastener with third ear plate, the other end of the second junction steel plate is fixedly connected with by threaded fastener with the 4th otic placode; By the upper end end face of lower centre type steel column and the lower end surface of node center steel column by being welded and fixed, between lower concrete clad and node concrete clad, form lower concrete layer to be poured;
(4), by the lower end surface of upper centre type steel column align with the upper end end face of node center steel column, upper precasting steel concrete column is mounted on precasting steel concrete node post;
(5), the upper end of node longitudinal reinforcement is fixedly connected with by the first sleeve pipe with the lower end of upper longitudinal reinforcement; Then one end of the first junction steel plate is fixedly connected with by threaded fastener with the first otic placode, the other end of the first junction steel plate is fixedly connected with by threaded fastener with the second otic placode; By the lower end surface of the upper end end face of node center steel column and upper centre type steel column by being welded and fixed, between upper concrete clad and node concrete clad, form concrete layer to be poured;
(6), by evenly spaced for stirrup circle colligation on the upper longitudinal reinforcement being positioned at upper concrete layer to be poured and node longitudinal reinforcement, by evenly spaced for stirrup circle colligation on the node longitudinal reinforcement being positioned at lower concrete layer to be poured and lower longitudinal reinforcement;
(7), typified form assembly be installed to upper concrete layer periphery to be poured and carry out pouring concrete; Typified form assembly be installed to the periphery of lower concrete layer to be poured and carry out pouring concrete;
(8), by the web of section steel beam one end with the 3rd junction steel plate be fixedly connected with by threaded fastener, the other end of the web of i iron bracket with the 3rd junction steel plate is fixedly connected with by threaded fastener; Then the top flange of section steel beam is fixed by welding to splice with the top flange of i iron bracket, and the bottom flange of the bottom flange of section steel beam and i iron bracket is fixed by welding to splice;
(9), profiled sheet is separately fixed on the top flange of section steel beam and the top flange of i iron bracket by peg;
(10), by pouring concrete on profiled sheet until arrive desired thickness;
(11), after the concrete setting at upper concrete layer to be poured and lower concrete layer place to be poured, remove typified form assembly, complete precasting steel concrete column, lower precasting steel concrete column, precasting steel concrete node post and the assembling of section steel beam and the construction of floor.
Described typified form assembly comprises template and supporting component.The effect of template makes concrete formation, makes the concrete integument after sclerosis meet the shape and size of designing requirement, and the effect of support is the weight and the working load that ensure the shape of template and position and bear template and as placed concrete integument.
Compared with prior art, the construction that the invention has the advantages that due to precasting steel concrete node post makes puts and carries out in the factory, at the scene in construction, the lower end of upper centre type steel column is only needed to be fixedly connected with the upper end of node center steel column, the lower end of node center steel column is fixedly connected with the upper end of lower centre type steel column, then upper concrete layer to be poured and lower concrete layer to be poured are poured into a mould, have the following advantages compared to cast-in-site steel reinforced concrete node location:
(1) this precasting steel concrete column-steel girder frame structural system, only need carry out cast-in-site to upper concrete layer to be poured and lower concrete layer to be poured, situ wet operation greatly reduces;
(2) this precasting steel concrete column-steel girder frame structural system, owing to adopting precasting steel concrete node post, manufacturing process the completing in factory that precasting steel concrete node post is loaded down with trivial details, bring great convenience to on-the-spot construction, also fully can ensure the quality of joint cores simultaneously; Additionally use precasting steel concrete column and lower precasting steel concrete column on plant produced completes, the lower end of upper centre type steel column is only needed to be fixedly connected with the upper end of node center steel column, the lower end of node center steel column is fixedly connected with the upper end of lower centre type steel column, then upper concrete layer to be poured and lower concrete layer to be poured are poured into a mould, substantially reduce the construction period, be conducive to the ratio improving building fabricated construction, realize industrialization of construction industry and be significant;
(3) this precasting steel concrete column-steel girder frame structural system, be divided into precasting steel concrete column, precasting steel concrete node post and lower precasting steel concrete column, compared to the prefabricated steel reinforced concrete column-steel beam system of entirety, the volume with component is little, is convenient to the advantage of transporting.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is top view of the present invention;
Fig. 3 is the enlarged drawing at A place in Fig. 1;
Fig. 4 is the sectional view at A-A place in Fig. 3;
Fig. 5 is the enlarged drawing at B place in Fig. 1;
Fig. 6 is the sectional view at B-B place in Fig. 5.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, prefabricated assembled steel reinforced concrete column-steel beam frame structure system of the present invention is described in further detail.
Embodiment: as shown in the figure, a kind of prefabricated assembled steel reinforced concrete column-steel beam frame structure system, comprise precasting steel concrete column 1, precasting steel concrete node post 2 and lower precasting steel concrete column 3, upper precasting steel concrete column 1 comprises centre type steel column 11 and upper concrete clad 12, upper concrete clad 12 is coated on centre type steel column 11 periphery and the two end portions of upper centre type steel column 11 is exposed to concrete clad 12, lower precasting steel concrete column 3 comprises lower centre type steel column 31 and lower concrete clad 32, lower concrete clad 32 is coated on lower centre type steel column 31 periphery and the two end portions of lower centre type steel column 31 is exposed to lower concrete clad 32, precasting steel concrete node post 2 comprises node center steel column 21, node concrete clad 22 and i iron bracket 23, node concrete clad 22 is coated on the periphery of node center steel column 21 and the two ends of node center steel column 21 are exposed to node concrete clad 22 respectively, i iron bracket 23 is vertically fixed on node center steel column 21 and i iron bracket 23 stretches out the external surface of node concrete clad 22, the lower end surface of upper centre type steel column 11 is fixedly connected with the upper end end face of node center steel column 21, the lower end surface of node center steel column 21 is fixedly connected with the upper end end face of lower centre type steel column 31, concrete layer 4 to be poured is formed between upper concrete clad 12 and node concrete clad 22, lower concrete layer 5 to be poured is formed between lower concrete clad 32 and node concrete clad 22.
In this particular embodiment, the lower end side of upper centre type steel column 11 is fixedly connected with by the first coupling assembling 6 with the upper side of node center steel column 21, and the lower end surface of upper centre type steel column 11 and the upper end end face of node center steel column 21 are welded and fixed; The lower end side of node center steel column 21 and the upper side of lower centre type steel column 31 (are not shown in figure by the second coupling assembling, structure is identical with the first coupling assembling 6) be fixedly connected with, and the upper end end face of the lower end surface of node center steel column 21 and lower centre type steel column 31 is welded and fixed.
In this particular embodiment, the first coupling assembling 6 comprise be arranged on centre type steel column 11 lower end side on the first otic placode 61, be arranged on the second otic placode 62 in the upper side of node center steel column 21 and the first junction steel plate 63 for being fixedly connected with the first otic placode 61 and the second otic placode 62; Second coupling assembling comprising third ear plate (not shown) in the lower end side being arranged on node center steel column 21, being arranged on the 4th otic placode (not shown) in the upper side of lower centre type steel column 31 and the second junction steel plate (not shown) for being fixedly connected with third ear plate and the 4th otic placode.
In this particular embodiment, also comprise section steel beam 7, the web 71 of section steel beam is fixedly connected with the web 231 of i iron bracket by the 3rd coupling assembling 8, the top flange 72 of section steel beam is welded and fixed with the top flange 232 of i iron bracket, and the bottom flange 73 of section steel beam is welded and fixed with the bottom flange 233 of i iron bracket.Wherein, section steel beam 7 comprises the web 71 of the section steel beam longitudinally arranged, the top flange 72 of section steel beam being horizontally set on web 71 two ends of section steel beam and the bottom flange 73 of section steel beam, and i iron bracket 23 is identical with the shape and structure of section steel beam 7.
In this particular embodiment, 3rd coupling assembling 8 comprises the 3rd junction steel plate 81 and threaded fastener (not shown), one end of 3rd junction steel plate 81 is fixedly connected with the web 231 of i iron bracket by threaded fastener, and the other end of the 3rd junction steel plate 81 is fixedly connected with the web 71 of section steel beam by threaded fastener.
In this particular embodiment, the top flange 72 of section steel beam and the top flange 232 of i iron bracket are fixedly installed profiled sheet 92 respectively by peg 91, and profiled sheet 92 upper has layer of concrete 93.
In this particular embodiment, longitudinally run through in upper concrete clad 12 and have many upper longitudinal reinforcements 13, upper longitudinal reinforcement 13 is centered around outside centre type steel column 11, concrete clad 12 is stretched out at the two ends of upper longitudinal reinforcement 13, longitudinally run through in node concrete clad 22 and have many root nodes longitudinal reinforcement 24, node longitudinal reinforcement 24 is centered around outside node center steel column 21, node concrete clad 22 is stretched out at the two ends of node longitudinal reinforcement 24 respectively, longitudinally run through in lower concrete clad 32 and be provided with many lower longitudinal reinforcements 33, lower longitudinal reinforcement 33 is centered around outside lower centre type steel column 31, lower concrete clad 32 is stretched out at the two ends of lower longitudinal reinforcement 33, the lower end of upper longitudinal reinforcement 13 is fixedly connected with the upper end of node longitudinal reinforcement 24 by the first sleeve pipe 94, the lower end of node longitudinal reinforcement 24 is fixedly connected with by the upper end of the second sleeve pipe (not shown) with lower longitudinal reinforcement 33.
Present invention also offers the construction method that a kind of and above-mentioned prefabricated assembled steel reinforced concrete column-steel beam frame structure system is corresponding, below in conjunction with embodiment, construction method of the present invention is described in further detail.
Embodiment: as shown in the figure, a kind of construction method of prefabricated assembled steel reinforced concrete column-steel beam frame structure system, comprises the following steps:
(1), upper centre type steel column 11 is placed into center, upper longitudinal reinforcement 13 is arranged in upper centre type steel column 11 around, subsequently by the uniform colligation in stirrup circle 95 interval on upper longitudinal reinforcement 13, upper concrete clad 12 is poured into upper centre type steel column 11, upper longitudinal reinforcement 13 and stirrup circle 95 periphery and obtains upper precasting steel concrete column 1, concrete clad 12 is all stretched out at the two ends of upper centre type steel column 11 and the two ends of upper longitudinal reinforcement 13;
Node center steel column 21 is placed into center, the edge of a wing of one end of i iron bracket 23 and node center steel column 21 is welded and fixed, each sash rib 96 is alignd with the top flange 232 of corresponding i iron bracket and the bottom flange 233 of i iron bracket and is fixed on the web place of node center steel column 21, node longitudinal reinforcement 24 is arranged in node center steel column 21 around, by the uniform colligation in stirrup circle 95 interval on node longitudinal reinforcement 24, wherein part stirrup circle 95 is through the column tie-bar through hole at the web place of i iron bracket 23, node concrete clad 22 is poured into node center steel column 21, node longitudinal reinforcement 24 and stirrup circle 95 periphery obtain precasting steel concrete node post 2, node concrete clad 22 is all stretched out at the two ends of node center steel column 21 and the two ends of node longitudinal reinforcement 24, i iron bracket 23 stretches out the external surface of node concrete clad 22,
Lower centre type steel column 31 is placed into center, lower longitudinal reinforcement 33 is arranged in lower centre type steel column 31 around, subsequently by the uniform colligation in stirrup circle 95 interval on lower longitudinal reinforcement 33, lower concrete clad 32 is poured into lower centre type steel column 31, lower longitudinal reinforcement 33 and stirrup circle 95 periphery and obtains lower precasting steel concrete column 3, lower concrete clad 32 is all stretched out at the two ends of lower centre type steel column 31 and the two ends of lower longitudinal reinforcement 33;
(2), by lower precasting steel concrete column 3 be assembled to installation site, then the upper end end face of the lower end surface of node center steel column 21 with lower centre type steel column 31 alignd, precasting steel concrete node post 2 is mounted on lower precasting steel concrete column 3;
(3), the upper end of lower longitudinal reinforcement 33 is fixedly connected with by the second sleeve pipe with the lower end of node longitudinal reinforcement 24, one end of second junction steel plate is fixedly connected with by threaded fastener with third ear plate, the other end of the second junction steel plate is fixedly connected with by threaded fastener with the 4th otic placode; By the upper end end face of lower centre type steel column 31 and the lower end surface of node center steel column 21 by being welded and fixed, between lower concrete clad 32 and node concrete clad 22, form lower concrete layer 5 to be poured;
(4), by the lower end surface of upper centre type steel column 11 align with the upper end end face of node center steel column 21, upper precasting steel concrete column 1 is mounted on precasting steel concrete node post 2;
(5), the upper end of node longitudinal reinforcement 24 is fixedly connected with by the first sleeve pipe 94 with the lower end of upper longitudinal reinforcement 13; Then one end of the first junction steel plate 63 is fixedly connected with by threaded fastener with the first otic placode 61, the other end of the first junction steel plate 63 is fixedly connected with by threaded fastener with the second otic placode 62; By the lower end surface of the upper end end face of node center steel column 21 and lower centre type steel column 31 by being welded and fixed, between upper concrete clad 12 and node concrete clad 22, form concrete layer 4 to be poured;
(6), by evenly spaced for stirrup circle 95 colligation on the upper longitudinal reinforcement 13 being positioned at upper concrete layer to be poured 4 and node longitudinal reinforcement 24, by evenly spaced for stirrup circle 95 colligation on the node longitudinal reinforcement 24 being positioned at lower concrete layer 5 to be poured and lower longitudinal reinforcement 33;
(7), typified form assembly (not shown) be installed to upper concrete layer 4 periphery to be poured and carry out pouring concrete; Typified form assembly be installed to the periphery of lower concrete layer 5 to be poured and carry out pouring concrete;
(8), by the web 71 of section steel beam one end with the 3rd junction steel plate 81 be fixedly connected with by threaded fastener, the other end of the web 231 of i iron bracket with the 3rd junction steel plate 81 is fixedly connected with by threaded fastener; Then the top flange 72 of section steel beam is fixed by welding to splice with the top flange 232 of i iron bracket, and the bottom flange 233 of the bottom flange 73 of section steel beam and i iron bracket is fixed by welding to splice;
(9), profiled sheet 92 is separately fixed on the top flange 72 of section steel beam and the top flange 232 of i iron bracket by peg 91;
(10), by pouring concrete on profiled sheet 92 until arrive desired thickness;
(11), after the concrete setting at upper concrete layer to be poured 4 and lower concrete layer 5 to be poured place, remove typified form assembly, complete precasting steel concrete column 1, lower precasting steel concrete column 3, precasting steel concrete node post 2 and the assembling of section steel beam 7 and the construction of floor.
In this particular embodiment, typified form assembly comprises template (not shown) and supporting component (not shown).
In this particular embodiment, sash rib 96 and the top flange 72 of i iron bracket or bottom flange 232 uniform thickness of i iron bracket.

Claims (9)

1. a prefabricated assembled steel reinforced concrete column-steel beam frame structure system, it is characterized in that comprising precasting steel concrete column, precasting steel concrete node post and lower precasting steel concrete column, described upper precasting steel concrete column comprises centre type steel column and upper concrete clad, described upper concrete clad is coated on described upper centre type steel column periphery and the end portion of described upper centre type steel column is exposed to described upper concrete clad, described lower precasting steel concrete column comprises lower centre type steel column and lower concrete clad, described lower concrete clad is coated on described lower centre type steel column periphery and the upper part of described lower centre type steel column is exposed to described lower concrete clad, described precasting steel concrete node post comprises node center steel column, node concrete clad and i iron bracket, described node concrete clad is coated on the periphery of described node center steel column and the two ends of described node center steel column are exposed to described node concrete clad respectively, described i iron bracket is vertically fixed on described node center steel column and described i iron bracket stretches out the external surface of described node concrete clad, the lower end surface of described upper centre type steel column is fixedly connected with the upper end end face of described node center steel column, the lower end surface of described node center steel column is fixedly connected with the upper end end face of described lower centre type steel column, concrete layer to be poured is formed between described upper concrete clad and described node concrete clad, lower concrete layer to be poured is formed between described lower concrete clad and described node concrete clad.
2. the prefabricated assembled steel reinforced concrete column-steel beam frame structure system of one according to claim 1, it is characterized in that the lower end side of described upper centre type steel column is fixedly connected with by the first coupling assembling with the upper side of described node center steel column, and the lower end surface of described upper centre type steel column and the upper end end face of described node center steel column are welded and fixed; The lower end side of described node center steel column is fixedly connected with by the second coupling assembling with the upper side of described lower centre type steel column, and the upper end end face of the lower end surface of described node center steel column and described lower centre type steel column is welded and fixed.
3. the prefabricated assembled steel reinforced concrete column-steel beam frame structure system of one according to claim 2, is characterized in that the first described coupling assembling comprising the first otic placode in the lower end side being arranged on described upper centre type steel column, being arranged on the second otic placode in the upper side of described node center steel column and the first junction steel plate for being fixedly connected with the first described otic placode and the second described otic placode; The second described coupling assembling comprising third ear plate in the lower end side being arranged on described node center steel column, being arranged on the 4th otic placode in the upper side of described lower centre type steel column and the second junction steel plate for being fixedly connected with described third ear plate and the 4th described otic placode.
4. the prefabricated assembled steel reinforced concrete column-steel beam frame structure system of one according to claim 1, characterized by further comprising section steel beam, the web of described section steel beam is fixedly connected with by the web of the 3rd coupling assembling with described i iron bracket, the top flange of described section steel beam and the top flange of described i iron bracket are welded and fixed, and the bottom flange of described section steel beam and the bottom flange of described i iron bracket are welded and fixed.
5. the prefabricated assembled steel reinforced concrete column-steel beam frame structure system of one according to claim 4, it is characterized in that the 3rd described coupling assembling comprises the 3rd junction steel plate and threaded fastener, one end of the 3rd described junction steel plate is fixedly connected with by the web of described threaded fastener with described i iron bracket, and the other end of the 3rd described junction steel plate is fixedly connected with by the web of described threaded fastener with described section steel beam.
6. the prefabricated assembled steel reinforced concrete column-steel beam frame structure system of one according to claim 4, it is characterized in that the top flange of described section steel beam and the top flange of described i iron bracket are fixedly installed profiled sheet respectively by peg, described profiled sheet upper has layer of concrete.
7. the prefabricated assembled steel reinforced concrete column-steel beam frame structure system of one according to claim 1, it is characterized in that longitudinally running through in described upper concrete clad and have many upper longitudinal reinforcements, described upper longitudinal reinforcement is centered around outside described upper centre type steel column, described upper concrete clad is stretched out in the lower end of described upper longitudinal reinforcement, longitudinally run through in described node concrete clad and have many root nodes longitudinal reinforcement, described node longitudinal reinforcement is centered around outside described node center steel column, described node concrete clad is stretched out at the two ends of described node longitudinal reinforcement respectively, longitudinally run through in described lower concrete clad and have many lower longitudinal reinforcements, described lower longitudinal reinforcement is centered around outside described lower centre type steel column, described lower concrete clad is stretched out in the upper end of described lower longitudinal reinforcement, the lower end of described upper longitudinal reinforcement is fixedly connected with by the upper end of the first sleeve pipe with described node longitudinal reinforcement, the lower end of described node longitudinal reinforcement is fixedly connected with by the upper end of the second sleeve pipe with described lower longitudinal reinforcement.
8. a construction method for prefabricated assembled steel reinforced concrete column-steel beam frame structure system, based on prefabricated assembled steel reinforced concrete column-steel beam frame structure system according to claim 7, is characterized in that comprising the following steps:
(1), upper centre type steel column is placed into center, upper longitudinal reinforcement is arranged in around upper centre type steel column, subsequently by the uniform colligation in stirrup circle interval on upper longitudinal reinforcement, upper concrete clad is poured into upper centre type steel column, upper longitudinal reinforcement and stirrup circle periphery and obtains upper precasting steel concrete column, concrete clad is all stretched out in the lower end of upper centre type steel column and the lower end of upper longitudinal reinforcement;
Node center steel column is placed into center, the edge of a wing of one end of i iron bracket and node center steel column is welded and fixed, node longitudinal reinforcement is arranged in around node center steel column, by uniform for stirrup interval colligation on node longitudinal reinforcement, node concrete clad is poured into node center steel column, node longitudinal reinforcement and stirrup circle periphery obtain precasting steel concrete node post, node concrete clad is all stretched out at the two ends of node center steel column and the two ends of node longitudinal reinforcement, i iron bracket stretches out the external surface of node concrete clad,
Lower centre type steel column is placed into center, lower longitudinal reinforcement is arranged in around lower centre type steel column, subsequently by the uniform colligation in stirrup circle interval on longitudinal reinforcement, lower concrete clad is poured into lower centre type steel column, lower longitudinal reinforcement and stirrup circle periphery and obtains lower precasting steel concrete column, lower concrete clad is all stretched out in the upper end of lower centre type steel column and the upper end of lower longitudinal reinforcement;
(2), by lower precasting steel concrete column be assembled to installation site, then the upper end end face of the lower end surface of node center steel column with lower centre type steel column alignd, precasting steel concrete node post is mounted on lower precasting steel concrete column;
(3), the upper end of lower longitudinal reinforcement is fixedly connected with by the second sleeve pipe with the lower end of node longitudinal reinforcement, one end of second junction steel plate is fixedly connected with by threaded fastener with third ear plate, the other end of the second junction steel plate is fixedly connected with by threaded fastener with the 4th otic placode; By the upper end end face of lower centre type steel column and the lower end surface of node center steel column by being welded and fixed, between lower concrete clad and node concrete clad, form lower concrete layer to be poured;
(4), by the lower end surface of upper centre type steel column align with the upper end end face of node center steel column, upper precasting steel concrete column is mounted on precasting steel concrete node post;
(5), the upper end of node longitudinal reinforcement is fixedly connected with by the first sleeve pipe with the lower end of upper longitudinal reinforcement; Then one end of the first junction steel plate is fixedly connected with by threaded fastener with the first otic placode, the other end of the first junction steel plate is fixedly connected with by threaded fastener with the second otic placode; By the lower end surface of the upper end end face of node center steel column and upper centre type steel column by being welded and fixed, between upper concrete clad and node concrete clad, form concrete layer to be poured;
(6), by evenly spaced for stirrup circle colligation on the upper longitudinal reinforcement being positioned at upper concrete layer to be poured and node longitudinal reinforcement, by evenly spaced for stirrup circle colligation on the node longitudinal reinforcement being positioned at lower concrete layer to be poured and lower longitudinal reinforcement;
(7), typified form assembly be installed to upper concrete layer periphery to be poured and carry out pouring concrete; Typified form assembly be installed to the periphery of lower concrete layer to be poured and carry out pouring concrete;
(8), by the web of section steel beam one end with the 3rd junction steel plate be fixedly connected with by threaded fastener, the other end of the web of i iron bracket with the 3rd junction steel plate is fixedly connected with by threaded fastener; Then the top flange of section steel beam is fixed by welding to splice with the top flange of i iron bracket, and the bottom flange of the bottom flange of section steel beam and i iron bracket is fixed by welding to splice;
(9), profiled sheet is separately fixed on the top flange of section steel beam and the top flange of i iron bracket by peg;
(10), by pouring concrete on profiled sheet until arrive desired thickness;
(11), after the concrete setting at upper concrete layer to be poured and lower concrete layer place to be poured, remove typified form assembly, complete precasting steel concrete column, lower precasting steel concrete column, precasting steel concrete node post and the assembling of section steel beam and the construction of floor.
9. the construction method of a kind of prefabricated assembled steel reinforced concrete column-steel beam frame structure system according to claim 8, is characterized in that described typified form assembly comprises template and supporting component.
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