CN105002983A - Large-span, secondary-beam-free and high-assembly industrialized steel structure system - Google Patents
Large-span, secondary-beam-free and high-assembly industrialized steel structure system Download PDFInfo
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- CN105002983A CN105002983A CN201510492841.3A CN201510492841A CN105002983A CN 105002983 A CN105002983 A CN 105002983A CN 201510492841 A CN201510492841 A CN 201510492841A CN 105002983 A CN105002983 A CN 105002983A
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Abstract
A large-span, secondary-beam-free and high-assembly industrialized steel structure system comprises a staggered steel structure truss, a plurality of prefabricated large-span prestressed hollow slabs and concrete composite layer, wherein the staggered steel structure truss adopts a multilayer structure with at least double spans, and comprises framework columns, framework beams and plane trusses; the framework columns and the framework beams are vertically arranged at the periphery of the staggered steel structure truss to form a framework structure; the plane trusses are arranged in an upper-and-lower staggered manner in the height direction of the framework columns, and the plane trusses on the adjacent framework columns are arranged in an upper-and-lower staggered manner; the two ends of each plane truss are supported on the framework columns on the two sides; each plane truss is formed by connecting upper chords, lower chords, straight web members and diagonal web members; the prefabricated large-span prestressed hollow slabs are arranged on the staggered steel structure truss; one ends of the prestressed hollow slabs are supported on the upper chords of the plane trusses, and the other ends of the prestressed hollow slabs are supported on the lower chords of the adjacent plane trusses; the concrete composite layers are paved on the prefabricated large-span prestressed hollow slabs. The large-span, secondary-beam-free and high-assembly industrialized steel structure system is economical in steel consumption, standard in element production, convenient and fast to construct, and convenient for industrialized production.
Description
Technical field
The present invention relates to long strands, in particular to a kind of large span, industrialization steel structure system without secondary beam, high assemblingization, can be applicable to the horizontal spans such as many, high-rise dormitory building, in-patient building, apartment with hotel-styled services (hotel, restaurant), teaching building comparatively greatly, inside establishes the building in corridor.
Background technology
In the multi-story and high-rise building of current employing steel work, its form of structure mostly is steel framed structure, steel frame-brace structure, steel frame-steel plate shear wall structure and steel frame-concrete wall structure etc., this common issue existing for a few class steel structural form is that structural steel amount is large, cannot form effective competitiveness to concrete structure.
Staggered Truss Frame System is born in nineteen sixties, is developed by Massachusetts Institute Technology, and object is for the civilian construction that many, high-rise hotel, apartment, office building are contour and narrow provide more economic form of structure.This form of structure is made up of the pillar of longitudinal peripheral disposition, the plane frame of lateral arrangement and floor; Post is longitudinally being connected by beam, and truss is every arranging across, staggered floor, and its span equals the overall with of building; Between adjacent truss, floor one end is bearing on the upper chord of next layer plane truss, and the other end is bearing on the lower chord of last layer truss.This form of structure has a large amount of engineer applied cases in countries such as the U.S., Canada, Australia; China in later 1990s, there is no engineer applied case to the research origin of Staggered-truss System at present.Adopt this form of structure, house type can realize the space of twice post distance; This structure is according to common floor, then flooring needs to arrange more secondary beam, this not only adds structural steel amount, but also reduces interior net storey height.
Large-span prestressed hollowcore slab has that span is large, intensity is high, easy construction, without the need to features such as flooring secondary beams, the above advantage that large-span prestressed hollowcore slab has makes it be suitable for very much Staggered Truss Frame System; Large-span prestressed hollowcore slab is used as the floor of steel staggered truss system, the advantage of the two finds full expression: indoor realize the space of twice post distance, flooring is without secondary beam, save structure steel using amount, add interior net storey height, make the Staggered Truss Frame System of high-efficiency and economic originally more economical simultaneously, make the structural system performance after combination reach optimum.
Summary of the invention
The object of the present invention is to provide a kind of large span, industrialization steel structure system without secondary beam, high assemblingization, the making of its steel using amount economy, component standardization, convenient and quick construction, be convenient to suitability for industrialized production.
For achieving the above object, technical scheme of the present invention is:
Large span, an industrialization steel structure system without secondary beam, high assemblingization, it comprises, steel staggered truss system, and it is at least twin spans, a sandwich construction form, comprises some frame columns, Vierendeel girder and plane frame; Described frame column and Vierendeel girder are longitudinally arranged along structure peripheral, form frame construction; Described plane frame along the upper and lower layer interlaced arrangement of frame column short transverse, and, described plane frame also upper and lower layer interlaced arrangement on adjacent frame trestle; Plane frame two ends are supported on the frame column of both sides respectively; Described plane frame is formed by connecting primarily of upper chord, lower chord, vertical web rod and diagonal web member; Some prefabricated large-span prestressed hollowcore slabs, are arranged on described steel staggered truss system, and one end of this prestressed cored slab is supported on the upper chord of plane frame, and the other end is supported on the lower chord of adjacent plane truss; Concrete folding layer, is layed on described prefabricated large-span prestressed hollowcore slab.
Further, described prefabricated large-span prestressed Method Pre-stress Concrete Hollow Slab bottom surface bearing is in the upper and lower chord member upper surface of plane frame or lower surface or web.
Preferably, described steel staggered truss system longitudinally arranges framework lateral resistant member along structure peripheral, to strengthen the longitudinal anti-side rigidity of structure.
Further, described prefabricated large-span prestressed Method Pre-stress Concrete Hollow Slab bottom embedded iron parts, by prefabricated large-span prestressed Method Pre-stress Concrete Hollow Slab bottom surface bearing in the upper and lower chord member upper surface of plane frame, by welding embedded iron parts and upper and lower chord member upper surface, prefabricated large-span prestressed hollowcore slab is fixed on the upper and lower chord member of plane frame.
Again, embedded sleeve barrel in described prefabricated large-span prestressed Method Pre-stress Concrete Hollow Slab bottom, sleeve is vertical with the upper and lower end face of prestressed cored slab; Described plane frame upper and lower chord member upper surface edge vertically arranges iron, by the mode of described sleeve being inserted in iron, prefabricated large-span prestressed hollowcore slab is fixed on the upper and lower chord member upper surface of plane frame.
Preferably, the upper surface of the upper and lower chord member of described plane frame all arranges peg.
Preferably, described prefabricated large-span prestressed Method Pre-stress Concrete Hollow Slab end bearing is in the upper and lower chord member upper surface of plane frame, the both ends upper surface of corresponding both sides prestressed cored slab core bore offers strip groove, reinforcing bar is placed in strip groove, and fill up in the slip casting of fluting place, the prefabricated large-span prestressed hollowcore slab of both sides is connected as one structure.
Preferably, the upper and lower chord member of described plane frame adopts H profile steel beam or steel I-beam.
Beneficial effect of the present invention is mainly reflected in:
1, the frame column in structural system of the present invention, Vierendeel girder, whole truss structure and prestressed cored slab are prefabricated in the factory, quality controllable, can realize batch production, standardized production; Assembling, assemblingization degree is high, saving of work and time, and speed is fast; Job site wet trade is few, without building waste, and environmental protection and energy saving.
2, indoor realize the space of twice post distance, and flooring, without secondary beam, has been saved structure steel using amount, added interior net storey height, make the Staggered Truss Frame System of high-efficiency and economic originally more economical simultaneously, make the structural system performance after combination reach optimum.
3, by arranging that to bottom column the mode of rigidity diagonal brace replaces bottom truss and realizes bottom extra space, the functional requirement of building large space can be met.
4, the flooring in the region such as washroom, balcony does and falls plate process, and all the other region floorings do not fall plate, the discrepancy in elevation after utilizing flooring to fall plate, falling plate region layout pipeline, achieves the theory of co-layer draining.
Accompanying drawing explanation
Fig. 1 is large span of the present invention, 3 dimensional drawing without the industrialization steel structure system of secondary beam, high assemblingization.
Fig. 2 is the structural representation of steel staggered truss system elementary cell of the present invention.
Fig. 3 is the structural representation that plate connecting structure mode 1 does not fall in the large-span prestressed hollowcore slab of the present invention.
Fig. 4 is the structural representation that plate connecting structure mode 2 does not fall in the large-span prestressed hollowcore slab of the present invention.
Fig. 5 is the perforate of the prefabricated large-span prestressed hollowcore slab of the present invention, the structural representation of fluting layout.
Detailed description of the invention
With reference to Fig. 1 ~ Fig. 5, a kind of large span of the present invention, industrialization steel structure system without secondary beam, high assemblingization, it comprises, steel staggered truss system 1, it is at least twin spans, a sandwich construction form, comprises some frame columns 11, Vierendeel girder 12 and plane frame 13,13 '; Described frame column 11 and Vierendeel girder 12 are longitudinally arranged along structure peripheral, form frame construction; Described plane frame 13 along the upper and lower layer interlaced arrangement of frame column 11 short transverse, and, described plane frame also upper and lower layer interlaced arrangement on adjacent frame trestle; Plane frame 13 two ends are supported on both sides frame column 11 respectively; Described plane frame 13 (for plane frame 13, lower same) is formed by connecting primarily of upper chord 131, lower chord 132, vertical web rod 133 and diagonal web member 134; Some prefabricated large-span prestressed hollowcore slabs 2, be arranged on described steel staggered truss system 1, one end of this prestressed cored slab 2 is supported on the upper chord of plane frame 13, and the other end is supported on the lower chord of adjacent plane truss 13; Concrete folding layer 3, is layed on described prefabricated large-span prestressed hollowcore slab 2.
Further, described prefabricated large-span prestressed hollowcore slab 2 plate bottom surface bearing is in the upper and lower chord member upper surface of plane frame 13 or lower surface or web.
Preferably, described steel staggered truss system 1 longitudinally arranges framework lateral resistant member along structure peripheral.
Further, described prefabricated large-span prestressed hollowcore slab 2 plate bottom embedded iron parts 4, by prefabricated large-span prestressed hollowcore slab 2 plate bottom surface bearing in the upper and lower chord member upper surface of plane frame 13, by welding embedded iron parts 4 and upper and lower chord member upper surface, prefabricated large-span prestressed hollowcore slab 2 is fixed on the upper and lower chord member of plane frame 13.
See Fig. 4, embedded sleeve barrel 5 in described prefabricated large-span prestressed hollowcore slab 2 plate bottom, sleeve 5 is vertical with the upper and lower end face of prestressed cored slab 2; Described plane frame 13 upper and lower chord member upper surface edge vertically arranges iron 6, by the mode of described sleeve 5 being inserted in iron 6, prefabricated large-span prestressed hollowcore slab 2 is fixed on the upper and lower chord member upper surface of plane frame 13.
Preferably, the upper surface of the upper and lower chord member of described plane frame 13 all arranges peg 7.
See Fig. 5, described prefabricated large-span prestressed hollowcore slab 2 plate end bearing is in the upper and lower chord member upper surface of plane frame 13, the both ends upper surface of corresponding both sides prestressed cored slab core bore offers strip groove 21, reinforcing bar 8 is placed in strip groove 21, and fill up in the slip casting of fluting place, the prefabricated large-span prestressed hollowcore slab 2,2 ' of both sides is connected as one structure.
Preferably, the upper and lower chord member of described plane frame 13 adopts H profile steel beam or steel I-beam.
In sum, span prestressed cored slab is used as the floor of steel staggered truss system by the present invention, the advantage of the two finds full expression: indoor realize the space of twice post distance, flooring is without secondary beam, save structure steel using amount, add interior net storey height, make the Staggered Truss Frame System of high-efficiency and economic originally more economical simultaneously, make the structural system performance after combination reach optimum.The present invention is clearly stressed, and Path of Force Transfer is clear; The interior space is large; Good economy performance; Joint structure is simple, and assemblingization degree is high, and easy construction is quick, is convenient to suitability for industrialized production.
Claims (10)
1. large span, an industrialization steel structure system without secondary beam, high assemblingization, is characterized in that, comprise,
Steel staggered truss system, it is at least twin spans, a sandwich construction form, comprises some frame columns, Vierendeel girder and plane frame; Described frame column and Vierendeel girder are longitudinally arranged along structure peripheral, form frame construction; Described plane frame along the upper and lower layer interlaced arrangement of frame column short transverse, and, described plane frame also upper and lower layer interlaced arrangement on adjacent frame trestle; Plane frame two ends are supported on the frame column of both sides respectively; Described plane frame is formed by connecting primarily of upper chord, lower chord, vertical web rod and diagonal web member;
Some prefabricated large-span prestressed hollowcore slabs, are arranged on described steel staggered truss system, and one end of this prestressed cored slab is supported on the upper chord of plane frame, and the other end is supported on the lower chord of adjacent plane truss;
Concrete folding layer, is layed on described prefabricated large-span prestressed hollowcore slab.
2. large span as claimed in claim 1, industrialization steel structure system without secondary beam, height assemblingization, is characterized in that: described prefabricated large-span prestressed Method Pre-stress Concrete Hollow Slab bottom surface bearing is on the upper and lower chord member upper surface of plane frame or lower surface or web.
3. large span as claimed in claim 1 or 2, industrialization steel structure system without secondary beam, high assemblingization, is characterized in that: described steel staggered truss system arranges framework lateral resistant member along structure peripheral longitudinal direction.
4. the large span as described in claim 1 or 2 or 3, industrialization steel structure system without secondary beam, high assemblingization, it is characterized in that: described prefabricated large-span prestressed Method Pre-stress Concrete Hollow Slab bottom embedded iron parts, by prefabricated large-span prestressed Method Pre-stress Concrete Hollow Slab bottom surface bearing in the upper and lower chord member upper surface of plane frame or lower surface, by welding embedded iron parts and upper and lower chord member upper surface or lower surface, prefabricated large-span prestressed hollowcore slab is fixed on the upper and lower chord member of plane frame.
5. the large span as described in claim 1 or 2 or 3, industrialization steel structure system without secondary beam, high assemblingization, it is characterized in that: described prefabricated large-span prestressed Method Pre-stress Concrete Hollow Slab bottom embedded sleeve barrel, sleeve is vertical with the upper and lower end face of prestressed cored slab; Described plane frame upper and lower chord member upper surface edge vertically arranges iron, by the mode of described sleeve being inserted in iron, prefabricated large-span prestressed hollowcore slab is fixed on the upper and lower chord member upper surface of plane frame.
6. the large span as described in claim 1 or 2 or 3 or 4 or 5, industrialization steel structure system without secondary beam, high assemblingization, is characterized in that: the upper surface of the upper and lower chord member of described plane frame all arranges peg.
7. the large span as described in claim 1 or 2 or 3 or 4 or 5, industrialization steel structure system without secondary beam, high assemblingization, it is characterized in that: described prefabricated large-span prestressed Method Pre-stress Concrete Hollow Slab end bearing is in the upper and lower chord member upper surface of plane frame, the both ends upper surface of corresponding both sides prestressed cored slab core bore offers strip groove, reinforcing bar is placed in strip groove, and fill up in the slip casting of fluting place, the prefabricated large-span prestressed hollowcore slab of both sides is connected as one structure.
8. the large span as described in claim 1 or 2 or 3 or 4 or 5, industrialization steel structure system without secondary beam, high assemblingization, is characterized in that: the upper and lower chord member employing H profile steel beam of described plane frame or steel I-beam.
9. the large span as described in claim 1 or 2 or 3 or 4 or 5, industrialization steel structure system without secondary beam, high assemblingization, is characterized in that: described prefabricated large-span prestressed hollowcore slab is ordinary concrete prestressed cored slab or SP prestressed cored slab.
10. the large span as described in claim 1 or 2 or 3 or 4 or 5, industrialization steel structure system without secondary beam, high assemblingization, is characterized in that: described framework lateral resistant member is rigid strutting piece or steel plate shear force wall.
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Cited By (5)
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| CN106245755A (en) * | 2016-09-30 | 2016-12-21 | 华东建筑设计研究院有限公司 | Diagonal brace enhanced type steel frame-shear wall assembled Big Space Residence system |
| CN106759855A (en) * | 2016-12-29 | 2017-05-31 | 上海建工集团股份有限公司 | The connecting node and its construction method of prefabricated concrete hollow slab |
| CN107338865A (en) * | 2016-11-22 | 2017-11-10 | 浙江绿筑集成科技有限公司 | A kind of balanced staggered truss steel structure system of rigidity |
| CN109356282A (en) * | 2018-11-30 | 2019-02-19 | 中国十七冶集团有限公司 | A kind of M shape Staggered Truss Frame System and construction method |
| CN114482373A (en) * | 2022-03-31 | 2022-05-13 | 河南省第二建设集团有限公司 | Multi-storey building prestressed hollow slab non-overlapping floor system and construction method thereof |
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| CN106759855A (en) * | 2016-12-29 | 2017-05-31 | 上海建工集团股份有限公司 | The connecting node and its construction method of prefabricated concrete hollow slab |
| CN109356282A (en) * | 2018-11-30 | 2019-02-19 | 中国十七冶集团有限公司 | A kind of M shape Staggered Truss Frame System and construction method |
| CN114482373A (en) * | 2022-03-31 | 2022-05-13 | 河南省第二建设集团有限公司 | Multi-storey building prestressed hollow slab non-overlapping floor system and construction method thereof |
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