CN201433489Y - Regular hexagon steel-concrete combined double-layer hollow grid beam floor - Google Patents
Regular hexagon steel-concrete combined double-layer hollow grid beam floor Download PDFInfo
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- CN201433489Y CN201433489Y CN2009203064796U CN200920306479U CN201433489Y CN 201433489 Y CN201433489 Y CN 201433489Y CN 2009203064796 U CN2009203064796 U CN 2009203064796U CN 200920306479 U CN200920306479 U CN 200920306479U CN 201433489 Y CN201433489 Y CN 201433489Y
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Abstract
The utility model discloses a regular hexagon steel-concrete combined double-layer hollow grid beam floor. The planar shape of the floor a regular hexagon formed by a frame formed by a hexagonal column grid, wherein the length L of the diagonal of the regular hexagon ranges from 30 meters to 48 meters; the inside of the hexagonal column grid is connected with a steel-concrete combined hollow beamswhich are intercrossed in three directions to form a large regular triangle grid; the structural height of the steel-concrete combined hollow beams is 1/24 to 1/20 of the length L of the diagonal; asmall regular triangle grid formed by concentrated reinforced concrete beams intercrossed in three directions is arranged in each large regular triangle grid; concrete floor plates are covered on thelarge regular triangle grids and the small regular triangle grids; and the bottom of lower reinforced concrete beam of the steel-concrete combined hollow beams is connected with a trough steel plate.The floor has the advantages of high structural integrity, small structural height, small space occupation, small concrete and steel consumption and the like, and is particularly suitable to be used in a large-span multi-edge plane of a building and a multi-layer multifunctional hall.
Description
Technical field
The utility model relates to a kind of regular hexagon steel-concrete combined hollow double lattice floor, belongs to the multistory reinforced concrete floor system technical field of large span.
Background technology
China's economic construction and social related industry develop rapidly, drive the development of cultural undertakings, and the multi-purpose hall of large-scale theatrical performances and activity is more and more many; Town site is more and more urgent along with saving, the construction in large-sized multiple layer culture hall also more and more presents importance, two dimensional analysis from multi-functional (containing performance and meeting) halls of 600～1200, the regular hexagon plane is than square and rectangle plane good, when regular hexagon diagonal span L=36 meters, the hall area is 842 square metres, the position about 650 of can choosing a place to give a banquet; When diagonal span L=48 meter, 1496 square metres of hall areas, the position about 1200 of can choosing a place to give a banquet.As three layers of this buildings, hexagon long-span floor system (two-layer), because its service load big (more than every square metre of 3.5kn), structure model selection is very important, adopts conventional reinforced concrete frame structure, not only cause fat beams and columns, the surge of concrete and rolled steel dosage, during as diagonal span L=36 meter, Vierendeel girder cross section 1000 * 3000 (L/12) smallest cross-sectional also reaches 800 * 2400 (L/15), not only concrete and rolled steel dosage are big, and structure height almost accounts for one deck superstructure height.If adopt steel concrete three-dimensional ribbed grid-like plate, during 1.8 meters of the triangle length of sides, because three dimensions is stressed, structure height h=1m (L/36), close girt strip cross section 400 * 1000, every square metre of 75cm of concrete converting thickness, the dead load design load reaches every square metre more than 2250 kilograms, though structure height is minimum, concrete and rolled steel dosage are big, cost is high, also non-preferred plan.If adopt hexagon steel-concrete three-dimensional composite space truss structure, steel using amount descends, but the still very big H=2.4 rice of structure height～2.25 meters, i.e. H=(L/15～L/16), and steel work is antirust, fire prevention and ceiling furred ceiling expense increase.For regular hexagon diagonal large span (30 meters≤L≤48 meters) superstructure, its superstructure area is by 842 square metres～1496 square metres multi-functional literature and art hall, select the floor structural form of a kind of " safety, reasonable, advanced, economy ", impel the structural engineering scientific and technical personnel to explore the new structure system, satisfy the needs of economy, cultural construction development.
The utility model content
The purpose of this utility model is: provide a kind of rational in infrastructure, structure height is less and concrete and the less regular hexagon steel-concrete combined hollow double lattice floor of rolled steel dosage, to overcome the deficiencies in the prior art.
The utility model is achieved in that the flat shape of superstructure is a regular hexagon, and orthohexagonal six limits of superstructure are made up of the formed framework of hexagon post net, and the orthohexagonal catercorner length L that is made up of hexagon post net is 30 meters≤L≤48 meter; Be connected with steel-concrete composite open-web beam in hexagon post net, steel-concrete composite open-web beam three-dimensional intersection is formed big equilateral triangle grid, and the structure height H of every steel-concrete composite open-web beam is all 1/20th～24 of regular hexagon catercorner length L mutually; In each big equilateral triangle grid, be provided with the reinforced concrete ribbed beam that is connected with girt strip on steel-concrete composite open-web beam, and the little equilateral triangle grid of reinforced concrete ribbed beam is formed in the interconnection of close girt strip three-dimensional, is being coated with the concrete building panel on steel-concrete composite open-web beam and the close girt strip and on big equilateral triangle grid of being formed and the little triangular mesh.
Above-mentioned big equilateral triangle grid size determines according to regular hexagon diagonal span, if the diagonal span L=and during 36m, each length of side=36/4=9m of big equilateral triangle grid then has 24 big equilateral triangle grids in regular hexagon; If during L=48m, each length of side=48/6=8m of big equilateral triangle grid then is provided with the big equilateral triangle grid that 54 length of sides are 8m in regular hexagon.
The length of side of above-mentioned little equilateral triangle grid be big equilateral triangle grid the length of side 1/5.
Steel-concrete composite open-web beam is connected to form by last girt strip, following girt strip and connecting elements, is provided with on an empty stomach between last girt strip, following girt strip and connecting elements, is connected with troughing plate in the following girt strip bottom of steel-concrete composite open-web beam.
Troughing plate connects as one by the concrete of the following girt strip of high-strength bolt and steel-concrete composite open-web beam.
Bottom surface with the concrete building panel on the surface of close girt strip all is coated with the ardealite formwork that uses as cast template.
The empty stomach of steel-concrete composite open-web beam is shaped as octagonal empty stomach.
Owing to adopted technique scheme, the big equilateral triangle grid that whole superstructure of the present utility model only is made up of for 1/20th～24 the steel-concrete composite open-web beam of its span (being orthohexagonal catercorner length) its structure height and be that the triangle double-grid structure that the little equilateral triangle grid formed of 0.25～0.35 meter close girt strip and floor structure are combined to form is formed by structure height, and on the following girt strip of steel-concrete composite open-web beam, be provided with troughing plate, form steel plate and concrete combination girt strip member (main tension) down, and in order to reduce dead load, also be convenient to the layout of indoor horizontal air-conditioning pipe, its belly hollows out and forms octagon on an empty stomach, and its dead load is descended significantly; Because the following girt strip of steel of the present utility model-concrete composite open-web beam is troughing plate and reinforced concrete combined structure member, so the reduced moment of inertia value of its laced beam improves about about 15% than the non-combined member reduced moment of inertia of following girt strip value.Because dead load of the present utility model reduces, the rigidity of structure (EI) improves, and under the condition of guaranteeing the rigidity of structure and intensity, has reached the purpose of saving construction timber, reducing construction costs.In addition, according to actual mode of occupation and analysis of experiments, for multi-functional (containing performance and meeting) hall from 600～1200, the plane of superstructure is the regular hexagon plane than square and rectangle plane good, when its orthohexagonal diagonal span is 36 meters, its hall area is 842 square metres, can choose a place to give a banquet the position about 650; When its linea angulata span is 48 meters, 1496 square metres of hall areas, can choose a place to give a banquet the position about 1200.The utility model makes the structure three-dimensional space-load under the prerequisite of " safety, reasonable, advanced, economy ", structure height is little, the space good integrity, and it is little to build main material (concrete, steel) consumption, and it is simple to construct.Big equilateral triangle grid and little equilateral triangle grid that the utility model structure forms are superimposed, formation has the double-grid ceiling modeling structure that enriches the rhythm, this new spatial composite grid structure shows it is one of multilayer building cover structure optimised form of present regular hexagon diagonal large span (being that the diagonal span is 30～50 meters) according to experimental result.Therefore, the utility model compared with prior art, the utility model not only has rational in infrastructure, structural strength is higher, structure height is less, the advantage that shared architectural space is less, but also have concrete and the less advantage of rolled steel dosage, and because the utility model has adopted on the external surface of the two sides of girt strip on the steel-concrete composite open-web beam and close girt strip and the bottom surface of concrete building panel all is coated with the ardealite formwork that uses as cast template, this has not only reduced construction costs, realize twice laid, but also had the advantage of fire prevention and minimizing ceiling furred ceiling fitting-out work amount.The utility model is particularly suitable for the multi-functional cultural hall of large-sized multiple layer of polygon plane building large span and uses.
Description of drawings
Fig. 1 is a superstructure plane structure schematic diagram of the present utility model;
Fig. 2 is the I portion partial structurtes enlarged diagram of Fig. 1;
Fig. 3 is the A Abandon sectional structure schematic diagram of Fig. 2;
Fig. 4 is the B Fen sectional structure schematic diagram of Fig. 2;
Fig. 5 is the C Pi sectional structure schematic diagram of Fig. 2.
The specific embodiment
Embodiment of the present utility model: when the large span multi-layer multi culture hall of building 3～5 layers, its superstructure preferably adopts the structure of regular hexagon steel-concrete combined hollow double lattice floor of the present utility model to make, the flat shape that is about to superstructure is made as regular hexagon, adopt the hexagon reinforced concrete frame structure to form orthohexagonal six limits of this regular hexagon superstructure, and to make this orthohexagonal catercorner length L (being span) be 30 meters≤L≤48 meter, in the regular hexagon of the sealing of forming by the hexagon reinforced concrete frame, three directions along the corresponding both sides of parallel this regular hexagon are arranged steel-concrete composite open-web beam respectively, during as L=36m, on each direction by the equidistant three steel-concrete composite open-web beam that is arranged in parallel, make the mutual interconnection in the regular hexagon of sealing of this nine steel-concrete composite open-web beam form 24 big equilateral triangle grids, the height H of every steel-concrete composite open-web beam is made into the same, it highly is controlled at 1/20th～24 of regular hexagon catercorner length (being span) L (is L/24≤H≤L/20); Equidistant respectively on three directions in each big equilateral triangle grid, by parallel this every limit of big equilateral triangle grid then four close girt strips are set, totally ten two close girt strips, 12 close girt strips in each big equilateral triangle grid intersect mutually at grade to connect and intersect with the last girt strip of steel-concrete composite open-web beam and connect to form 25 little equilateral triangle grids, and the height h making of every close girt strip is identical and be controlled at 0.25～0.35 meter; The concrete building panel covered on the big equilateral triangle grid be made up of steel-concrete composite open-web beam and close girt strip and the little equilateral triangle grid promptly make regular hexagon steel-concrete combined hollow double lattice floor; When making steel-concrete composite open-web beam, adopt the cast template of troughing plate as girt strip under the laced beam, and on troughing plate, accomplish fluently pin in advance, pour into a mould steel-concrete composite open-web beam by the mode of cast-in-site steel concrete then, the following girt strip of the steel-concrete composite open-web beam of troughing plate and cast is connected as one, obtain steel-concrete composite open-web beam thereby make; When making close girt strip and concrete building panel, adopt ardealite formwork or gypsum formwork template as close girt strip of cast and concrete building panel, and pour into a mould close girt strip and concrete building panel by the mode of cast-in-site steel concrete, the close girt strip and the concrete building panel of ardealite formwork or gypsum formwork and moulding by casting are connected as one, can play function of heat insulation like this.
When concrete construction is implemented, structure according to regular hexagon steel-concrete combined hollow double lattice floor of the present utility model is made, promptly in factory, process earlier troughing plate 4, it is standby to install lengthening high-strength bolt or the pin 5 used as pin then on troughing plate 4, the flat shape of superstructure is made as regular hexagon, this regular hexagon is interconnected by reinforced concrete frame structure to be formed, in regular hexagon, adopt steel-concrete composite open-web beam 1 three-dimensional interconnection to form big equilateral triangle grid, hexagonal catercorner length (being span) L is controlled at the scope of 30 meters≤L≤48 meter; Big equilateral triangle grid size determines according to regular hexagon diagonal span, if the diagonal span L=and during 36m, each length of side=36/4=9m of big equilateral triangle grid then has 24 big equilateral triangle grids in regular hexagon; If during L=48m, each length of side=48/6=8m of big equilateral triangle grid then is provided with the big equilateral triangle grid that 54 length of sides are 8m in regular hexagon; When diagonal span L=36m, it is three in each direction that steel concrete composite open-web beam 1 three-dimensional is intersected, reinforced concrete frame structure on totally nine steel-concrete composite open-web beams 1 and six limits of regular hexagon respectively the three-dimensional interconnection form 24 big equilateral triangle grids, and the height H of every steel-concrete composite open-web beam 1 made equate and be 1/20th～24 of regular hexagon catercorner length L, the structure of its steel-concrete composite open-web beam 1 is by last girt strip 1-1, following girt strip 1-2 and connecting elements 1-3 are cast for holistic steel concrete and connect to form, when making steel-concrete composite open-web beam 1, at last girt strip 1-1, be shaped as octagonal empty stomach 1-4 by equidistant setting between following girt strip 1-2 and the connecting elements 1-3, and the cast template of the troughing plate 4 of the high-strength bolt of lengthening or pin 5 as the following girt strip 1-2 of steel-concrete composite open-web beam 1 arranged on will be in advance, make down that its concrete and troughing plate 4 connect as one behind the girt strip 1-2 moulding by casting; Then in each big equilateral triangle grid of forming by steel-concrete composite open-web beam 1, be provided with four close girt strips 2 by equidistant respectively on three directions that are parallel to this every limit of big equilateral triangle grid, make in each big equilateral triangle grid 12 close girt strips 2 respectively at grade three-dimensional intersect to form the little equilateral triangle grid of reinforced concrete ribbed beam, 25 little equilateral triangle grids are arranged in each big equilateral triangle grid; The structure height h that forms the close girt strip 2 of little equilateral triangle grid is controlled at 0.25～0.35 meter scope, the length of side of little equilateral triangle grid be big equilateral triangle grid the length of side 1/5 (for example: when the length of side of big positive triangle gridding is 9m, the length of side of then little equilateral triangle grid is 9m/5=1.8m, when being 8m as the big triangle length of side, the length of side of the little equilateral triangle grid of 5 five equilibriums is 8m/5=1.6m.25 little equilateral triangle grids are arranged in the big equilateral triangle grid of the 9m length of side.According to regular hexagon diagonal span difference, superstructure is formed the double-grid structure by varying number and highly different large and small equilateral triangle grids); On the steel-concrete composite open-web beam 1 of forming big equilateral triangle grid and little equilateral triangle grid and close girt strip 2, cover the cast-in-place concrete building panel 3 that gets then, when the close girt strip 2 of casting reinforced concrete and concrete building panel 3, adopt ardealite formwork 6 as cast template, ardealite formwork 6 and the close girt strip 2 of moulding by casting and the concrete of concrete building panel 3 are connected as one, can play function of heat insulation like this; Simultaneously also can and hang Thistle board, to strengthen insulation, the heat insulation effect of superstructure in the bottom of little equilateral triangle grid.
Above-mentioned ardealite formwork 6 can adopt traditional gypsum formwork to replace.
Claims (7)
1. regular hexagon steel concrete combined hollow double lattice floor, it is characterized in that: the flat shape of superstructure is a regular hexagon, and orthohexagonal six limits of superstructure are made up of the formed framework of hexagon post net, and the orthohexagonal catercorner length L that is made up of hexagon post net is 30 meters≤L≤48 meter; Be connected with steel concrete composite open-web beam (1) in hexagon post net, steel concrete composite open-web beam (1) three-dimensional intersection is formed big equilateral triangle grid, and the structure height H of every steel concrete composite open-web beam (1) is all 1/20th～24 of regular hexagon catercorner length L mutually; In each big equilateral triangle grid, be provided with the reinforced concrete ribbed beam (2) that is connected with the last girt strip of steel concrete composite open-web beam (1), and the little equilateral triangle grid of reinforced concrete ribbed beam is formed in close girt strip (2) three-dimensional interconnection, upward and on big equilateral triangle grid of being formed and the little triangular mesh is coated with concrete building panel (3) at steel concrete composite open-web beam (1) and close girt strip (2).
2. regular hexagon steel concrete combined hollow double lattice floor according to claim 1, it is characterized in that: big equilateral triangle grid size is determined according to regular hexagon diagonal span, if the diagonal span L=during 36m, each length of side=36/4=9m of big equilateral triangle grid then has 24 big equilateral triangle grids in regular hexagon; If during L=48m, each length of side=48/6=8m of big equilateral triangle grid then is provided with the big equilateral triangle grid that 54 length of sides are 8m in regular hexagon.
3. regular hexagon steel concrete combined hollow double lattice floor according to claim 1 is characterized in that: the length of side of little equilateral triangle grid be big equilateral triangle grid the length of side 1/5.
4. regular hexagon steel-concrete combined hollow double lattice floor according to claim 1, it is characterized in that: steel concrete composite open-web beam (1) is connected to form by last girt strip (1-1), following girt strip (1-2) and connecting elements (1-3), between last girt strip (1-1), following girt strip (1-2) and connecting elements (1-3), be provided with (1-4) on an empty stomach, be connected with troughing plate (4) in following girt strip (1-2) bottom of steel concrete composite open-web beam (1).
5. regular hexagon steel-concrete combined hollow double lattice floor according to claim 4 is characterized in that: troughing plate (4) connects as one by the concrete of high-strength bolt (5) with the following girt strip (1-2) of steel concrete composite open-web beam (1).
6. regular hexagon steel-concrete combined hollow double lattice floor according to claim 1 is characterized in that: the bottom surface with concrete building panel (3) on the surface of close girt strip (2) all is coated with the ardealite formwork (6) that uses as cast template.
7. regular hexagon steel-concrete combined hollow double lattice floor according to claim 4 is characterized in that: the empty stomach (1-4) of steel concrete composite open-web beam (1) be shaped as octagonal empty stomach.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009203064796U CN201433489Y (en) | 2009-07-20 | 2009-07-20 | Regular hexagon steel-concrete combined double-layer hollow grid beam floor |
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| CN2009203064796U CN201433489Y (en) | 2009-07-20 | 2009-07-20 | Regular hexagon steel-concrete combined double-layer hollow grid beam floor |
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| CN201433489Y true CN201433489Y (en) | 2010-03-31 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614052B (en) * | 2009-07-20 | 2011-03-16 | 湖南大学 | Right hexagonal steel-concrete combined hollow double lattice floor and manufacturing method thereof |
| CN103290967A (en) * | 2013-06-28 | 2013-09-11 | 中国建筑第四工程局有限公司 | Multi-ribbed hollow composite floor slab and manufacturing method thereof |
| CN105040877A (en) * | 2015-07-27 | 2015-11-11 | 天津市金万方钢结构有限公司 | Regular hexagon and rhombus transverse staggered type honeycomb grid type floor system structure and making method thereof |
| CN105113688A (en) * | 2015-07-27 | 2015-12-02 | 天津市金万方钢结构有限公司 | Rectangular hexagon and rhombus longitudinal-crossing honeycomb mesh floor structure and manufacturing method thereof |
| CN105133767A (en) * | 2015-07-27 | 2015-12-09 | 天津市金万方钢结构有限公司 | Manufacturing method for regular hexagonal honeycomb latticed steel hollow floor frame box type structure |
| CN106400953A (en) * | 2016-07-29 | 2017-02-15 | 东南大学 | Multi-layer large-span regular-hexagonal cellular space lattice box type structure and manufacturing method |
-
2009
- 2009-07-20 CN CN2009203064796U patent/CN201433489Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614052B (en) * | 2009-07-20 | 2011-03-16 | 湖南大学 | Right hexagonal steel-concrete combined hollow double lattice floor and manufacturing method thereof |
| CN103290967A (en) * | 2013-06-28 | 2013-09-11 | 中国建筑第四工程局有限公司 | Multi-ribbed hollow composite floor slab and manufacturing method thereof |
| CN103290967B (en) * | 2013-06-28 | 2016-08-10 | 中国建筑第四工程局有限公司 | A kind of multi-ribbed hollow composite floor slab and manufacture method |
| CN105040877A (en) * | 2015-07-27 | 2015-11-11 | 天津市金万方钢结构有限公司 | Regular hexagon and rhombus transverse staggered type honeycomb grid type floor system structure and making method thereof |
| CN105113688A (en) * | 2015-07-27 | 2015-12-02 | 天津市金万方钢结构有限公司 | Rectangular hexagon and rhombus longitudinal-crossing honeycomb mesh floor structure and manufacturing method thereof |
| CN105133767A (en) * | 2015-07-27 | 2015-12-09 | 天津市金万方钢结构有限公司 | Manufacturing method for regular hexagonal honeycomb latticed steel hollow floor frame box type structure |
| CN106400953A (en) * | 2016-07-29 | 2017-02-15 | 东南大学 | Multi-layer large-span regular-hexagonal cellular space lattice box type structure and manufacturing method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20100720 |