CN105908881B - A kind of two-way beam of falling T composite floor - Google Patents

A kind of two-way beam of falling T composite floor Download PDF

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Publication number
CN105908881B
CN105908881B CN201610383641.9A CN201610383641A CN105908881B CN 105908881 B CN105908881 B CN 105908881B CN 201610383641 A CN201610383641 A CN 201610383641A CN 105908881 B CN105908881 B CN 105908881B
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China
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way
inverted
intersecting parallels
fashioned iron
floor
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CN201610383641.9A
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CN105908881A (en
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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

A kind of novel two-way beam of falling T composite floor uses in engineering field building structure.Including the intersecting parallels component being made of more inverted T shaped girder steels, multiple apertures are successively opened on the inverted T shaped steel beam web plate of the intersecting parallels component, arranged crosswise has reinforcing bar between aperture on inverted T shaped steel beam web plate, the two-way fashioned iron rib structure for playing stress when construction is made up of between multiple intersecting parallels components splicing node, the area the girt strip Jian Ge lattice of two-way fashioned iron rib structure are sequentially arranged the light-weight precast slab of the permanent template as floor, are uniformly cast with concrete on the two-way fashioned iron rib structure and light-weight precast slab.The feature that its laser intensity is high, rigidity is big, ductility is good is not necessarily to formwork, and construction is succinct, and easy to operate, from heavy and light, depth of structural layer is low, increases effective use space, good in economic efficiency.

Description

A kind of two-way beam of falling T composite floor
Technical field
The present invention relates to a kind of composite floor, it is particularly suitable for the two-way beam of falling T group used in engineering field building structure Close floor.
Background technique
Currently, steel house had both been able to satisfy buildings and resources and can hold as country greatly develops Steel Housing Industrialization The requirement of supervention exhibition, and be conducive to accelerate Process of Housing Industrialization, the requirement that urbanization process quickly propels is met, state is met Family's industrial policy, is with a wide range of applications.
For the intensive and the factorial production for realizing steel house, accelerates steel house development, need solve first The structural system problem of steel house development is influenced, such as floor system reaches standardization, seriation, mass production, And then promote the industrialized development of steel house.
It also proposed the floor construction of many forms both at home and abroad, and in order to facilitate rapid construction, while reducing the thickness of floor Degree, mostly uses the form of composite floor, and composite flat beam floor is exactly one of.Composite flat beam floor is in normal steel structure house There is its apparent advantage in floor, have the characteristics that the self weight of reduction floor, raising headroom and apyrous are good.But traditional combination The connection of flat its girder steel of beam floor and concrete is to be realized by setting shearing-resistant member, and the setting of shearing-resistant member is complicated and cannot be very Guarantee the combined effect of girder steel and concrete well.And the form of traditional composite flat beam floor mostly uses one-way slabs to arrange, building Plate thickness is larger.
Summary of the invention
In view of the above technical problems, it proposes that a kind of mechanism is simple, from heavy and light, exempts to tear bed die open, bidirectional arrangements, thickness is small, whole Body is good, the two-way beam of the falling T composite floor of reasonable stress and economy.
To realize the above-mentioned technical purpose, the two-way beam of falling T composite floor of the invention, it includes by more inverted T shaped girder steel structures At intersecting parallels component, successively open multiple apertures, inverted T shaped steel beam web plate on the inverted T shaped steel beam web plate of the intersecting parallels component On aperture between arranged crosswise have a reinforcing bar, splicing node is equipped at intersecting parallels Member Lip, is led between multiple intersecting parallels components Cross and play the two-way fashioned iron rib structure of stress when splicing node constitutes construction, girt strip Jian Ge area's lattice of two-way fashioned iron rib structure according to The secondary light-weight precast slab for being disposed with the permanent template as floor uniformly pours on the two-way fashioned iron rib structure and light-weight precast slab Concrete is built.
The splicing node are as follows: on the two sides between the inverted T shaped steel web of both intersecting parallels component and intersecting parallels component Equipped with L shape splice plate, lower section is equipped with lower flange splice plate, is fastened by bolts;The hole diameter is bigger than the diameter of reinforcing bar; It states and has uniformly poured concrete on two-way fashioned iron rib structure and light-weight precast slab, by passing through aperture on inverted T shaped steel beam web plate Reinforcing bar carries out bonding and plays the role of shearing-resistant member, enhances combination effect.
The utility model has the advantages that
(1) girder steel is embedded among concrete floor, realizes the two altogether using the cohesive force between girder steel and concrete Same-action has played the mechanical characteristic of two kinds of materials well;
(2) two-way flat beam form is used, floor self weight is reduced, does not have secondary beam appearance in floor, can utmostly reduce The layer of structure is high, increases effective use space;
(3) concrete provides lateral support for girder steel, it is therefore prevented that the plane instability of girder steel, the local stability of girder steel and whole Body is stablized can substantially not have to consider in serviceability limit stage;
(4) the two-way beam of falling T composite floor is interspersed in the web of girder steel due to the reinforcing bar of top flange concrete, in this way Shearing resistance measure got well than the method for shearing-resistant member is separately provided, while being arranged using bi-directional symmetrical, therefore will not be because of cross It configures less to reinforcing bar and causes longitudinal splitting crack;
(5) inverted T shaped girder steel is due to using being generally arranged at from the edge of a wing near neutral axis on girder steel, saving steel, To reduce structural cost;
(6) concrete encases girder steel, improves fire prevention and the anti-corrosion ability of girder steel, reduces and account in light-duty steel construction house cost The higher fire prevention of ratio and anti-corrosion expense;
(7) it eliminates template simultaneously and reduces branch die process so as to shorten construction period, there is good Technological Economy effect Benefit;
(8) underfloor surfacing is conducive to the flexible arrangement in room and freely separates, and do not need to do furred ceiling, can Meet the requirement using function of house well.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the two-way beam of the falling T composite floor of the present invention;
Fig. 2 is the sectional view of the 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 shaped girder steel of the present invention;
Fig. 5 is the splicing node side view of inverted T shaped girder steel of the present invention.
In figure, the inverted T shaped girder steel of 1-, 2- light-weight precast slab, 3- reinforcing bar, 4- concrete, 5- splicing node, 6-L type splice plate, The common splice plate of 7-, 8- bolt, 9- aperture.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1, Figure 2, Figure 3 shows, the two-way beam of falling T composite floor of the invention uses two-way flat beam form, including by more The intersecting parallels component that the inverted T shaped girder steel 1 of root is constituted successively opens multiple apertures on 1 web of inverted T shaped girder steel of the intersecting parallels component 9, arranged crosswise has reinforcing bar 3 between the aperture 9 on inverted T shaped 1 web of girder steel, and 9 diameter of aperture is bigger than the diameter of reinforcing bar 3, Splicing node 5, stress from being made up of when constructing between multiple intersecting parallels components splicing node 5 are equipped at intersecting parallels Member Lip The two-way fashioned iron rib structure of effect, as shown in Figure 4 and Figure 5, the splicing node 5 is, in intersecting parallels component and intersecting parallels component Two sides between the inverted T shaped steel web 1 of the two are equipped with L shape splice plate 6, and lower section is equipped with lower flange splice plate 7, passes through bolt 8 Fastening, the area the girt strip Jian Ge lattice of two-way fashioned iron rib structure are sequentially arranged the light-weight precast slab 2 of the permanent template as floor, institute It states and has uniformly poured concrete 4 on two-way fashioned iron rib structure and light-weight precast slab 2, state two-way fashioned iron rib structure and light-weight precast slab Concrete 4 is uniformly poured on 2, the reinforcing bar 3 by passing through aperture 9 on inverted T shaped 1 web of girder steel carries out bonding and plays shearing-resistant member Effect enhances combination effect.
The good feature of present invention combination two-way ribbed slab stress performance, while steel rib-concrete combination beam gives full play to Concrete and the respective performance advantage of steel, steel rib-concrete combined floor is arranged to it is two-way, formed intensity is high, rigidity is big, The good two-way girt strip structure of ductility.The two-way girt strip skeleton being made of inverted T shaped girder steel 1 can carry the construction loads at initial stage, and Bidirectional arrangements are conducive to the antidetonation of floor so that two-way anti-side rigidity is consistent.Light-weight precast slab 2 can be used as floor forever again Long template, and its board bottom is smooth, no longer needs to do the subsequent operations such as furred ceiling, it is easy for construction.Reinforcing bar 3 is interspersed in the abdomen of inverted T shaped girder steel 1 In plate, the effect of peg can be served as, improves the bond effect between concrete 4 and inverted T shaped girder steel 1, is conducive to make jointly With.The major part of inverted T shaped girder steel 1 is wrapped up by concrete, and high degree reduces the fire prevention and preservative treatment of inverted T shaped girder steel 1.? T-steel beam 1 is spliced integral by L-type splice plate 6, lower flange splice plate 7 and bolt 8, and construction is succinct, easy to operate, significantly Reduce work on the spot.

Claims (1)

1. a kind of two-way beam of falling T composite floor, it is characterised in that: it includes the intersecting parallels structure being made of more inverted T shaped girder steels (1) Part successively opens multiple apertures (9) on inverted T shaped girder steel (1) web of the intersecting parallels component, on inverted T shaped girder steel (1) web There is reinforcing bar (3) arranged crosswise between aperture (9), at intersecting parallels Member Lip be equipped with splicing node (5), multiple intersecting parallels components it Between play the two-way fashioned iron rib structure of stress when constituting construction by splicing node (5), between the girt strip of two-way fashioned iron rib structure Each area's lattice are sequentially arranged the light-weight precast slab (2) of the permanent template as floor, and the two-way fashioned iron rib structure and lightweight are pre- Concrete (4) have uniformly been poured in making sheet (2);
The splicing node (5) are as follows: be equipped with L shape on the two sides of the inverted T shaped steel web (1) of adjacent intersecting parallels component stitching portion and spell Fishplate bar (6), lower section are equipped with lower flange splice plate (7), are fastened by bolt (8);
The diameter of the aperture (9) is greater than the diameter of reinforcing bar (3);
The bonding that reinforcing bar (3) by passing through aperture (9) on inverted T shaped girder steel (1) web carries out plays the role of shearing-resistant member, enhancing two The combined effect of person.
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110107006A (en) * 2019-05-05 2019-08-09 湘潭大学 A kind of large span composite structure superstructure

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109339321B (en) * 2018-10-10 2020-04-21 河北水利电力学院 Shock attenuation standard prefabricated well format floor slab structure system convenient to construction
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
CN110952702B (en) * 2019-12-17 2021-09-17 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

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

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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110107006A (en) * 2019-05-05 2019-08-09 湘潭大学 A kind of large span composite structure superstructure

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