CN105908881A - Novel bidirectional inverted-T-shaped beam combined floor - Google Patents

Novel bidirectional inverted-T-shaped beam combined floor Download PDF

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Publication number
CN105908881A
CN105908881A CN201610383641.9A CN201610383641A CN105908881A CN 105908881 A CN105908881 A CN 105908881A CN 201610383641 A CN201610383641 A CN 201610383641A CN 105908881 A CN105908881 A CN 105908881A
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China
Prior art keywords
inverted
shaped
way
steel
floor
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CN201610383641.9A
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CN105908881B (en
Inventor
夏军武
谭永超
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17Floor structures partly formed in situ
    • E04B5/23Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • E04B5/28Cross-ribbed floors
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/28Walls having cavities between, but not in, the elements; Walls of elements each consisting of two or more parts kept in distance by means of spacers, all parts being solid
    • E04B2/38Walls having cavities between, but not in, the elements; Walls of elements each consisting of two or more parts kept in distance by means of spacers, all parts being solid the walls being characterised by fillings in some of the cavities forming load-bearing pillars or beams

Abstract

The invention provides a novel bidirectional inverted-T-shaped beam combined floor which is applied to building structures in the engineering field. The novel bidirectional inverted-T-shaped beam combined floor comprises octothorpe-shaped components which are composed of a plurality of inverted-T-shaped steel beams. A plurality of small holes are sequentially formed in webs of the inverted-T-shaped steel beams of the octothorpe-shaped components. Steel bars are arranged between the small holes in the webs of the inverted-T-shaped steel beams in a crossed mode. The multiple octothorpe-shaped components form a bidirectional steel rib structure through splicing joints, and the bidirectional steel rib structure has a stress function during construction. Light prefabricated plates serving as a permanent formwork of the floor sequentially arranged in all cells of the bidirectional steel rib structure, and concrete is evenly poured on the bidirectional steel rib structure and the light prefabricated plates. The novel bidirectional inverted-T-shaped beam combined floor has the characteristics of being high in strength and rigidity and good in ductility; and formwork supporting is not needed, construction is easy, operation is easy, the self weight is low, the height of a structural layer is small, the effective service space is increased, and the economic benefits are good.

Description

A kind of novel two-way beam of falling T composite floor
Technical field
The present invention relates to a kind of composite floor, be particularly suited in engineering field building structure the novel two-way beam of falling T used Composite floor.
Background technology
At present, along with country greatly develops Steel Housing Industrialization, it is sustainable that steel house can meet buildings and resources The requirement of development, is conducive to again accelerating Process of Housing Industrialization, meets the requirement that urbanization process quickly propels, meet National industrial policies, are with a wide range of applications.
For realizing the intensive of steel house and factorial praluction, accelerate steel house development, first need solve shadow Ring the structural system problem of steel house development, such as floor system so that it is reach standardization, seriation, in batches metaplasia Produce, and then promote the industrialized development of steel house.
It is also proposed the floor construction of a lot of form both at home and abroad, and rapid construction for convenience, reduce the thickness of floor simultaneously, The forms using composite floor, composite flat beam floor is exactly one of which more.Composite flat beam floor is at normal steel structure house Floor has its obvious advantage, has and reduce the feature that floor deadweight, raising headroom and apyrous are good.But it is traditional The connection of its girder steel of composite flat beam floor and concrete is to realize by arranging shearing-resistant member, and shearing-resistant member arrange complexity and The combined effect of girder steel and concrete can not be ensured well.And form many employings one-way slabs of traditional composite flat beam floor Arranging, slab thickness is bigger.
Summary of the invention
For above-mentioned technical problem, proposing a kind of mechanism simple, from heavy and light, exempt to tear open bed die, bidirectional arrangements, thickness is little, The novel two-way beam of the falling T composite floor of good integrity, reasonable stress and economy.
For realizing above-mentioned technical purpose, the novel two-way beam of the falling T composite floor of the present invention, it includes by many inverted T shape steel The intersecting parallels component that beam is constituted, the inverted T shape steel beam web plate of described intersecting parallels component has multiple aperture, inverted T shape successively Between aperture on steel beam web plate, arranged crosswise has reinforcing bar, is provided with splicing node, multiple intersecting parallels at intersecting parallels Member Lip The two-way shaped steel rib structure of stress effect, the rib of two-way shaped steel rib structure is played when constituting construction by splicing node between component Liang Jiange district lattice are sequentially arranged the light-weight precast slab of the permanent template as floor, described two-way shaped steel rib structure and lightweight Concrete uniformly it is cast with on precoated plate.
Described splicing node is: set on the both sides between the inverted T shape steel web of intersecting parallels component and intersecting parallels component Having L-shaped splice plate, lower section is provided with lower flange splice plate, is fastened by bolts;Described hole diameter is wanted than the diameter of reinforcing bar Greatly;State and be uniformly cast with concrete on two-way shaped steel rib structure and light-weight precast slab, by passing on inverted T shape steel beam web plate The reinforcing bar of aperture carries out boning and plays the effect of shearing-resistant member, strengthens combination effect.
Beneficial effect:
(1) girder steel is embedded among concrete floor, utilizes the cohesive force between girder steel and concrete to realize both common Effect, has played the mechanical characteristic of bi-material well;
(2) use two-way flat beam form, reduce floor deadweight, floor does not has secondary beam occur, it is possible at utmost to reduce The floor height of structure, increases and effectively uses space;
(3) concrete is that girder steel provides lateral support, it is therefore prevented that the plane instability of girder steel, the local stability of girder steel and whole Body is stable substantially can be considered at serviceability limit stage;
(4) the two-way beam of falling T composite floor is interspersed in the web of girder steel, the most so due to the reinforcing bar of top flange concrete Shearing resistance measure better than the method being separately provided shearing-resistant member, use simultaneously bi-directional symmetrical arrange, thus without because of Transverse steel configuration is less and causes longitudinal splitting crack;
(5) inverted T shape girder steel is not owing to having to use the edge of a wing being generally arranged on girder steel near neutral axis, saving steel, Thus reduce structural cost;
(6) concrete encases girder steel, improves fire prevention and the antiseptic power of girder steel, reduces in light-duty steel construction house cost and account for Fire prevention that ratio is higher and anticorrosion expense;
(7) eliminate template minimizing die process simultaneously thus shorten construction period, there is good technical economic benefit;
(8) flexible arrangement of underfloor surfacing, beneficially room and freely separating, and need not do furred ceiling, it is possible to Meet the requirement of the use function of house well.
Accompanying drawing explanation
Fig. 1 is the structural representation of the novel two-way beam of the falling T composite floor of the present invention;
Fig. 2 is the sectional view of the novel two-way beam of the falling T composite floor of the present invention;
Fig. 3 is the splicing schematic diagram of intersecting parallels component of the present invention;
Fig. 4 is the splicing node sectional view of inverted T shape girder steel of the present invention;
Fig. 5 is the splicing node side view of inverted T shape girder steel of the present invention.
In figure, 1-inverted T shape girder steel, 2-light-weight precast slab, 3-reinforcing bar, 4-concrete, 5-splices node, and 6-L type is spelled Fishplate bar, the common splice plate of 7-, 8-bolt, 9-aperture.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, the novel two-way beam of the falling T composite floor of the present invention uses two-way flat beam form, Including the intersecting parallels component being made up of many inverted T shape girder steels 1, inverted T shape girder steel 1 web of described intersecting parallels component depends on Secondary having multiple aperture 9, between the aperture 9 on inverted T shape girder steel 1 web, arranged crosswise has reinforcing bar 3, described aperture 9 Diameter is bigger than the diameter of reinforcing bar 3, is provided with splicing node 5 at intersecting parallels Member Lip, logical between multiple intersecting parallels components Cross the two-way shaped steel rib structure playing stress effect when splicing node 5 constitutes construction, as shown in Figure 4 and Figure 5, described splicing Node 5 is, the both sides between the inverted T shape steel web 1 of intersecting parallels component and intersecting parallels component is provided with L-shaped and spells Fishplate bar 6, lower section is provided with lower flange splice plate 7, is fastened by bolt 8, the girt strip Jian Ge district lattice of two-way shaped steel rib structure It is sequentially arranged the light-weight precast slab 2 of the permanent template as floor, described two-way shaped steel rib structure and light-weight precast slab 2 On be uniformly cast with concrete 4, state and be uniformly cast with concrete 4 on two-way shaped steel rib structure and light-weight precast slab 2, logical Crossing carries out boning through the reinforcing bar 3 of aperture 9 on inverted T shape girder steel 1 web plays the effect of shearing-resistant member, strengthens the group of the two Close effect.
The present invention combines the feature that two-way ribbed slab stress performance is good, and steel rib-concrete combination beam gives full play to mix simultaneously Solidifying soil and the respective performance advantage of steel, be arranged to two-way by steel rib-concrete combined floor, forms intensity height, rigidity Greatly, the two-way girt strip structure that ductility is good.The two-way girt strip skeleton being made up of inverted T shape girder steel 1 can carry the construction at initial stage Load, and bidirectional arrangements so that two-way anti-side rigidity is consistent, the beneficially antidetonation of floor.Light-weight precast slab 2 is the most permissible As the permanent template of floor and smooth at the bottom of its plate, it is not necessary to do the subsequent operation such as furred ceiling, easy construction again.Reinforcing bar 3 is worn Be inserted in the web of inverted T shape girder steel 1, the effect of peg can be served as, improve concrete 4 and inverted T shape girder steel 1 it Between bond effect, be conducive to common effect.The major part of inverted T shape girder steel 1 is wrapped up by concrete, and high degree reduces The fire prevention of inverted T shape girder steel 1 and preservative treatment.Inverted T shape girder steel 1 is by L-type splice plate 6, lower flange splice plate 7 Being spliced into entirety with bolt 8, construction is succinct, simple to operate, greatly reduces work on the spot.

Claims (4)

1. the novel two-way beam of falling a T composite floor, it is characterised in that: it includes by many inverted T shape girder steel (1) structures The intersecting parallels component become, inverted T shape girder steel (1) web of described intersecting parallels component has multiple aperture (9) successively, Between aperture (9) on inverted T shape girder steel (1) web, arranged crosswise has reinforcing bar (3), is provided with at intersecting parallels Member Lip Splicing node (5), plays the two-way of stress effect when constituting construction by splicing node (5) between multiple intersecting parallels components Shaped steel rib structure, the lightweight that the girt strip Jian Ge district lattice of two-way shaped steel rib structure are sequentially arranged the permanent template as floor is pre- Making sheet (2), described two-way shaped steel rib structure and light-weight precast slab (2) are uniformly cast with concrete (4).
The novel two-way beam of falling T composite floor the most according to claim 1, it is characterised in that: described splicing node (5) it is: on the both sides between inverted T shape steel web (1) of intersecting parallels component and intersecting parallels component, be provided with L-shaped Splice plate (6), lower section is provided with lower flange splice plate (7), is fastened by bolt (8).
The novel two-way beam of falling T composite floor the most according to claim 1, it is characterised in that: described aperture (9) Diameter is bigger than the diameter of reinforcing bar (3).
The novel two-way beam of falling T composite floor the most according to claim 1, it is characterised in that: state two-way shaped steel rib knot Concrete (4) uniformly it is cast with, by passing aperture on inverted T shape girder steel (1) web on structure and light-weight precast slab (2) (9) reinforcing bar (3) carries out boning and plays the effect of shearing-resistant member, strengthens combination effect.
CN201610383641.9A 2016-06-02 2016-06-02 A kind of two-way beam of falling T composite floor Active CN105908881B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109339321A (en) * 2018-10-10 2019-02-15 河北水利电力学院 A kind of damping standard prefabricated well format floor construction system convenient for construction
CN109594709A (en) * 2018-11-07 2019-04-09 西安理工大学 Partial precast assembled steel and regeneration concrete compoboard and production, assembly method
CN110670779A (en) * 2019-08-28 2020-01-10 郭春来 Assembled building floor
CN110952702A (en) * 2019-12-17 2020-04-03 长安大学 Soil-shaped steel beam-concrete combined beam slab system and construction method thereof
CN111395754A (en) * 2020-04-09 2020-07-10 晏幸福 Method for implementing formwork supporting system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110107006B (en) * 2019-05-05 2020-10-16 湘潭大学 Large-span composite structure floor system

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Publication number Priority date Publication date Assignee Title
BR9006297A (en) * 1990-12-11 1992-08-04 Osvaldo Mario Souza Bagnoli INTERSECTION AND INTERCONNECTION MODULE OF PREFABRICATED JOINTS FOR CONCRETE FLOORS
CN2841792Y (en) * 2005-10-06 2006-11-29 中国矿业大学 Steel frame structure cantilever beam connection node
CN101173542A (en) * 2007-11-23 2008-05-07 清华大学 Bidirectional steel-stacked plate concrete composite building roof
CN201151961Y (en) * 2007-12-20 2008-11-19 同济大学 Web embedded type assembled floor system
CN202144641U (en) * 2011-04-22 2012-02-15 清华大学 Integral bidirectional local unidirectional steel-concrete slab composite floor system
CN205822542U (en) * 2016-06-02 2016-12-21 中国矿业大学 A kind of novel two-way beam of falling T composite floor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9006297A (en) * 1990-12-11 1992-08-04 Osvaldo Mario Souza Bagnoli INTERSECTION AND INTERCONNECTION MODULE OF PREFABRICATED JOINTS FOR CONCRETE FLOORS
CN2841792Y (en) * 2005-10-06 2006-11-29 中国矿业大学 Steel frame structure cantilever beam connection node
CN101173542A (en) * 2007-11-23 2008-05-07 清华大学 Bidirectional steel-stacked plate concrete composite building roof
CN201151961Y (en) * 2007-12-20 2008-11-19 同济大学 Web embedded type assembled floor system
CN202144641U (en) * 2011-04-22 2012-02-15 清华大学 Integral bidirectional local unidirectional steel-concrete slab composite floor system
CN205822542U (en) * 2016-06-02 2016-12-21 中国矿业大学 A kind of novel two-way beam of falling T composite floor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109339321A (en) * 2018-10-10 2019-02-15 河北水利电力学院 A kind of damping standard prefabricated well format floor construction system convenient for construction
CN109594709A (en) * 2018-11-07 2019-04-09 西安理工大学 Partial precast assembled steel and regeneration concrete compoboard and production, assembly method
CN109594709B (en) * 2018-11-07 2021-05-25 西安理工大学 Partially prefabricated assembled steel and recycled concrete composite board and manufacturing and assembling method thereof
CN110670779A (en) * 2019-08-28 2020-01-10 郭春来 Assembled building floor
CN110952702A (en) * 2019-12-17 2020-04-03 长安大学 Soil-shaped steel beam-concrete combined beam slab system and construction method thereof
CN111395754A (en) * 2020-04-09 2020-07-10 晏幸福 Method for implementing formwork supporting system

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