CN101581115A - Mixed steel-concrete composite frame structure - Google Patents
Mixed steel-concrete composite frame structure Download PDFInfo
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- CN101581115A CN101581115A CNA2009100868371A CN200910086837A CN101581115A CN 101581115 A CN101581115 A CN 101581115A CN A2009100868371 A CNA2009100868371 A CN A2009100868371A CN 200910086837 A CN200910086837 A CN 200910086837A CN 101581115 A CN101581115 A CN 101581115A
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- 239000004567 concrete Substances 0.000 title claims abstract description 118
- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 163
- 239000010959 steel Substances 0.000 claims abstract description 163
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 8
- 210000003205 muscle Anatomy 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 9
- 230000035939 shock Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 5
- 239000003973 paint Substances 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a mixed steel-concrete composite frame structure, belonging to the technical field of engineering structure. The frame structure comprises a composite column of reinforced special shaped steep pipe concrete, a composite beam of concrete-steel pipe partially filled lightweight aggregate concrete and a reinforced concrete floor; wherein, the composite column of reinforced special shaped steep pipe concrete comprises a steel pipe of a special shaped column, a longitudinal bar of the column, stirrup of the column, concrete outside the steel pipe of the column and core concrete inside the steel pipe of the column; the composite beam of concrete-steel pipe partially filled lightweight aggregate concrete comprises a steel pipe of the beam, an inner separator, a longitudinal bar of the beam, stirrup of the beam and concrete outside the steel pipe of the beam; the space formed by the steel pipes of the beam, which are positioned on the lower part of the steel pipe at the end of the beam and on the upper part of the steel pipe on the midspan of beam, and the inner separator is filled with the core lightweight aggregate concrete in the steel pipe of the beam. The frame structure of the invention has excellent fire and shock resistance and relatively light dead load, can be used in building structures such as residence and is convenient for effective use of building space.
Description
Technical field
The invention belongs to the engineering structures technical field, particularly a kind of hybrid steel-concrete group frame system.
Background technology
Encased structures has advantages such as bearing capacity height, plasticity and good toughness, making and easy construction, when adopting steel core concrete column-steel tube concrete beam frame construction in high level or super-high building structure, can obtain better economic effect.The fire resistance of the more empty steel pipe of concrete filled steel tube improves a lot; but for satisfying the fire resistance rating requirement; generally still need concrete filled steel tube is carried out flameproof protection; this has increased the fireproof paint cost to a certain extent; and fireproof paint can not bear external force, can't improve supporting capacity with the steel pipe co-operation, is necessary on the basis of original steel core concrete column-steel tube concrete beam frame construction for this reason; propose new structural system, improve its fire resistance and supporting capacity.
Summary of the invention
The purpose of this invention is to provide a kind of hybrid steel-concrete group frame system.
A kind of hybrid steel-concrete group frame system, it is characterized in that this hybrid steel-concrete group frame system is made up of stiffness composite pile prepared from special section steel tube concrete 1, the partially filled light aggregate concrete composite beams 2 of concrete-steel pipe and reinforced concrete floor 3; Described stiffness composite pile prepared from special section steel tube concrete 1 built-in hetermorphiscal column steel pipe 7, hetermorphiscal column steel pipe 7 skins are provided with vertical muscle 9 of post and tie muscle 8, outside the hetermorphiscal column steel pipe 7 post steel pipe outer concrete 5 are set, and post steel pipe inner core concrete 6 is poured in the hetermorphiscal column steel pipe 7; The partially filled light aggregate concrete composite beams 2 built-in joist steel pipes 12 of described concrete-steel pipe, internal partition 13 is set in the joist steel pipe 12, joist steel pipe 12 skins are provided with vertical muscle 15 of beam and beam stirrup 14, outside the joist steel pipe 12 joist steel outer tube layer concrete 10 is set, padding girder steel pipe inner core light weight aggregate concrete 11 in the space that steel pipe top joist steel pipe 12 and internal partition 13 form in beam-ends steel pipe bottom and the girder span; Reinforced concrete floor 3 is connected by peg 16 with the partially filled light aggregate concrete composite beams 2 of concrete-steel pipe; Stiffness composite pile prepared from special section steel tube concrete 1 forms beam-column jointing gusset 4 with the partially filled light aggregate concrete composite beams 2 of concrete-steel pipe, the node place, between joist steel pipe 12 and the hetermorphiscal column steel pipe 7 box bracket 17 is set, box bracket 17 is connected with hetermorphiscal column steel pipe 7 by pasting pin weld seam 19, box bracket 17 is provided with joist steel pipe 12 junctions and is connected cover plate 18, connects cover plate 18 and is connected with box bracket 17 and joist steel pipe 12 by pasting pin weld seam 19.
Described stiffness composite pile prepared from special section steel tube concrete 1, during for corner post, section form is " L " type; During for side column, section form is a T-shape; During for center pillar, section form is " ten " font.
Described hetermorphiscal column steel pipe 7, corner post place hetermorphiscal column steel pipe 7 section forms are " L " type; 7 sections of side column place hetermorphiscal column steel pipes and form is a T-shape; Center pillar place hetermorphiscal column steel pipe 7 section forms are " ten " font.
The width of described joist steel pipe 12 equates with hetermorphiscal column steel pipe 7 width or less than the width of hetermorphiscal column steel pipe 7.
Described joist steel outer tube layer concrete 10 equates with post steel pipe outer concrete 5 width.
Beneficial effect of the present invention is: frame system of the present invention for improving the structure fire resistance performance, is provided with concrete and vertical muscle of structure and stirrup at the concrete filled steel tube skin; For alleviating dead load, the partially filled light aggregate concrete composite beams of concrete-steel pipe adopts the partially filled concrete form, position upper portion pressurized district and beam-ends bottom pressure zone steel duct are filled respectively in the girder span, between isolate with internal partition, concrete filled adopts light weight aggregate concrete, because beam, post skin are concrete, beam adopts partially filled light weight aggregate concrete, have superior anti-fire, anti-seismic performance and lighter dead load, can be used in the building structure such as dwelling house, and be convenient to effective utilization of architectural space (especially in the residential structure).
Description of drawings
Fig. 1 is the floor map of hybrid steel-concrete group frame system;
Fig. 2 is the elevational schematic view of hybrid steel-concrete group frame system;
(post number: sectional view B1 ') (a-a) when the stiffness composite pile prepared from special section steel tube concrete that Fig. 3 is adopted for hybrid steel-concrete group frame system is side column;
(post number: sectional view B2 ') (b-b) when the stiffness composite pile prepared from special section steel tube concrete that Fig. 4 is adopted for hybrid steel-concrete group frame system is center pillar;
The sectional view (c-c) of (post number: A3 ' or C3 ') when the stiffness composite pile prepared from special section steel tube concrete that Fig. 5 is adopted for hybrid steel-concrete group frame system is corner post;
(cross section: sectional view d-d), the partially filled light aggregate concrete composite beams span centre of the concrete-steel pipe position that Fig. 6 is adopted for hybrid steel-concrete group frame system;
The partially filled light aggregate concrete composite beams end position of concrete-steel pipe that Fig. 7 is adopted for hybrid steel-concrete group frame system (cross section: sectional view e-e);
Beam-column jointing gusset floor map that Fig. 8 is adopted for hybrid steel-concrete group frame system;
Beam-column jointing gusset elevational schematic view that Fig. 9 is adopted for hybrid steel-concrete group frame system;
Number in the figure: 1-stiffness composite pile prepared from special section steel tube concrete; The partially filled light aggregate concrete composite beams of 2-concrete-steel pipe; The 3-reinforced concrete floor; 4-beam-column jointing gusset; 5-post steel pipe outer concrete; 6-post steel pipe inner core concrete; 7-hetermorphiscal column steel pipe; 8-tie muscle; The 9-post is indulged muscle; 10-joist steel outer tube layer concrete; 11-joist steel pipe inner core light weight aggregate concrete; 12-joist steel pipe; The 13-internal partition; The 14-beam stirrup; The 15-beam is indulged muscle; The 16-peg; 17-box bracket; 18-connects cover plate; 19-pastes the pin weld seam.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing:
A kind of hybrid steel-concrete group frame system, the plane of this hybrid steel-concrete group frame system, elevational schematic view are distinguished as depicted in figs. 1 and 2, and this hybrid steel-concrete group frame system is made up of stiffness composite pile prepared from special section steel tube concrete 1, the partially filled light aggregate concrete composite beams 2 of concrete-steel pipe and reinforced concrete floor 3; Described stiffness composite pile prepared from special section steel tube concrete 1, during for corner post, section form is " L " type; During for side column, section form is a T-shape; During for center pillar, section form is " ten " font; When the stiffness composite pile prepared from special section steel tube concrete is side column (post number: sectional view B1 ') (a-a), during for center pillar (post number: sectional view B2 ') (b-b) and during for corner post the sectional view (c-c) of (post number: A3 ' or C3 ') respectively as Fig. 3, Fig. 4 and shown in Figure 5; Described stiffness composite pile prepared from special section steel tube concrete 1 built-in hetermorphiscal column steel pipe 7, corner post place hetermorphiscal column steel pipe 7 section forms are " L " type, side column place hetermorphiscal column steel pipe 7 section forms are T-shape, center pillar place hetermorphiscal column steel pipe 7 section forms are " ten " font, hetermorphiscal column steel pipe 7 skins are provided with vertical muscle 9 of post and tie muscle 8, outside the hetermorphiscal column steel pipe 7 post steel pipe outer concrete 5 is set, post steel pipe inner core concrete 6 is poured in the hetermorphiscal column steel pipe 7; The partially filled light aggregate concrete composite beams 2 built-in joist steel pipes 12 of described concrete-steel pipe, joist steel pipe 12 cross sections are rectangle, internal partition 13 is set in the joist steel pipe 12, internal partition is that steel plate is welded, joist steel pipe 12 skins are provided with vertical muscle 15 of beam and beam stirrup 14, the joist steel pipe 12 outer joist steel outer tube layer concrete 10 that are provided with, padding girder steel pipe inner core light weight aggregate concrete 11 in the space that steel pipe top joist steel pipe 12 and internal partition 13 form in beam-ends steel pipe bottom and the girder span, (cross section: sectional view d-d) as shown in Figure 6, (cross section: sectional view e-e) as shown in Figure 7 for the partially filled light aggregate concrete composite beams end position of concrete-steel pipe in the partially filled light aggregate concrete composite beams span centre of concrete-steel pipe position; Reinforced concrete floor 3 is connected by peg 16 with the partially filled light aggregate concrete composite beams 2 of concrete-steel pipe; Stiffness composite pile prepared from special section steel tube concrete 1 forms beam-column jointing gusset 4 with the partially filled light aggregate concrete composite beams 2 of concrete-steel pipe, the node place, between joist steel pipe 12 and the hetermorphiscal column steel pipe 7 box bracket 17 is set, box bracket 17 is connected with hetermorphiscal column steel pipe 7 by pasting pin weld seam 19, box bracket 17 is provided with joist steel pipe 12 junctions and is connected cover plate 18 (every is provided with and connects cover plate), connecting cover plate 18 is connected with box bracket 17 and joist steel pipe 12 by pasting pin weld seam 19, beam-column jointing gusset plane, elevational schematic view is respectively as Fig. 8 and shown in Figure 9, and described joist steel outer tube layer concrete 10 equates with post steel pipe outer concrete 5 width.
When the present invention specifically implements, elder generation's making, reference column steel pipe and node area box bracket, field Welding joist steel pipe can be built steel pipe core concrete and outer concrete at last then, finally forms the general frame structure.Steel work should be with easy construction, to be easy to concreting be that principle is made.
Present embodiment adopts the structural steel pipe can to adopt joist steel pipe width to be equal to or less than post steel pipe mode and arrange as beam, post steel pipe.Concreting can adopt high-strength concrete or ordinary concrete; but joist steel pipe internal core concrete need adopt light weight aggregate concrete; guarantee concrete can be evenly, be poured in inside and outside the steel pipe densely, and to guarantee that joist steel outer tube layer concrete equates with post steel pipe outer concrete width.
Outside the encased structures steel pipe, concrete cover is set; can effectively improve the fire resistance of concrete filled steel tube; when construction measures such as stirrup, vertical muscle are set in outer concrete form stiffness composite pile prepared from special section steel tube concrete or the partially filled light aggregate concrete composite beams of concrete-steel pipe; steel pipe and inside and outside concrete can co-operation; obviously improve its bearing capacity and fire endurance, thereby make this novel mixed steel-concrete group frame system have superior fire resistance and anti-seismic performance.
Claims (5)
1, a kind of hybrid steel-concrete group frame system, it is characterized in that this hybrid steel-concrete group frame system is made up of stiffness composite pile prepared from special section steel tube concrete (1), the partially filled light aggregate concrete composite beams of concrete-steel pipe (2) and reinforced concrete floor (3); The built-in hetermorphiscal column steel pipe of described stiffness composite pile prepared from special section steel tube concrete (1) (7), hetermorphiscal column steel pipe (7) skin is provided with vertical muscle (9) of post and tie muscle (8), hetermorphiscal column steel pipe (7) is outer to be provided with post steel pipe outer concrete (5), and post steel pipe inner core concrete (6) is poured in the hetermorphiscal column steel pipe (7); The built-in joist steel pipe of the partially filled light aggregate concrete composite beams of described concrete-steel pipe (2) (12), internal partition (13) is set in the joist steel pipe (12), joist steel pipe (12) skin is provided with vertical muscle (15) of beam and beam stirrup (14), joist steel pipe (12) is outer to be provided with joist steel outer tube layer concrete (10), padding girder steel pipe inner core light weight aggregate concrete (11) in the space that steel pipe top joist steel pipe (12) and internal partition (13) form in beam-ends steel pipe bottom and the girder span; Reinforced concrete floor (3) is connected by peg (16) with the partially filled light aggregate concrete composite beams of concrete-steel pipe (2); Stiffness composite pile prepared from special section steel tube concrete (1) forms beam-column jointing gusset (4) with the partially filled light aggregate concrete composite beams of concrete-steel pipe (2), the node place, between joist steel pipe (12) and the hetermorphiscal column steel pipe (7) box bracket (17) is set, box bracket (17) is connected with hetermorphiscal column steel pipe (7) by pasting pin weld seam (19), box bracket (17) is provided with joist steel pipe (12) junction and is connected cover plate (18), connects cover plate (18) and is connected with box bracket (17) and joist steel pipe (12) by pasting pin weld seam (19).
2, a kind of hybrid steel-concrete group frame system according to claim 1 is characterized in that, described stiffness composite pile prepared from special section steel tube concrete (1), and during for corner post, section form is " L " type; During for side column, section form is a T-shape; During for center pillar, section form is " ten " font.
3, a kind of hybrid steel-concrete group frame system according to claim 1 is characterized in that, described hetermorphiscal column steel pipe (7), and corner post place hetermorphiscal column steel pipe (7) section form is " L " type; Side column place hetermorphiscal column steel pipe (7) section form is a T-shape; Center pillar place hetermorphiscal column steel pipe (7) section form is " ten " font.
4, a kind of hybrid steel-concrete group frame system according to claim 1 is characterized in that, the width of described joist steel pipe (12) equates with hetermorphiscal column steel pipe (7) width or less than the width of hetermorphiscal column steel pipe (7).
5, a kind of hybrid steel-concrete group frame system according to claim 1 is characterized in that, described joist steel outer tube layer concrete (10) equates with post steel pipe outer concrete (5) width.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100868371A CN101581115B (en) | 2009-06-08 | 2009-06-08 | Mixed steel-concrete composite frame structure |
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|---|---|---|---|
| CN2009100868371A CN101581115B (en) | 2009-06-08 | 2009-06-08 | Mixed steel-concrete composite frame structure |
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| CN101581115A true CN101581115A (en) | 2009-11-18 |
| CN101581115B CN101581115B (en) | 2010-11-10 |
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| CN102304925A (en) * | 2010-08-11 | 2012-01-04 | 柳忠林 | Large-span prestressed concrete pile beam slab structure used as ground of building workshop |
| CN102535750A (en) * | 2012-02-14 | 2012-07-04 | 长安大学 | Cylindrical construction part provided with holed stiffening ribs and filled with steel fiber reinforced concrete |
| CN103174231A (en) * | 2013-03-11 | 2013-06-26 | 浙江海天建设集团有限公司 | Hybrid controlled damping structure construction method |
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