CN210316148U - Slab frame integrated floor skeleton structure and building - Google Patents

Abstract

The utility model discloses a slab frame closes a floor skeleton texture and building. The utility model discloses a floor skeleton texture includes the switching angle that comprises crossbeam, longeron and connecting steel. In the switching angle, crossbeam and longeron weld in the same one side of connecting the steel with 45 degrees contained angles respectively to make crossbeam and longeron vertical setting and crossbeam, longeron and connecting steel three be in the coplanar. One end of the connecting steel protrudes out of the cross beam, the plane of the end is parallel to the cross beam, the other end of the connecting steel protrudes out of the longitudinal beam, and the plane of the end is parallel to the longitudinal beam. The utility model discloses a grillage unification floor skeleton texture can conveniently realize having the wall body of stand and be connected from top to bottom, and then can realize the assembly of large building under the condition that need not prefabricated bearing skeleton. In addition, the reinforcing among the cross beams, the longitudinal beams and the adjacent rigid walls can be further realized.

Description

Slab frame integrated floor skeleton structure and building

Technical Field

The utility model relates to a building wallboard structure, concretely relates to grillage unification floor skeleton texture reaches the building that founds as the assembly unit from this.

Background

With the development of modern industrial technology, house construction technology is also promoted, and due to the fact that construction speed is high, production cost is low, fabricated buildings are rapidly popularized all over the world.

The prefabricated building refers to a building formed by assembling prefabricated parts on a construction site. The building block is divided into five types, namely a block building, a plate building, a box building, a framework plate building, a rising-rise building and the like according to the form and the construction method of the prefabricated part.

Various prefabricated element structures have been disclosed in the prior art. For example, CN107119839A discloses an assembled floor slab framework structure and a manufacturing method thereof, wherein the beams to be lapped of the floor slab framework structure are basket-type beams provided with horizontal steps on one side or two sides in the length direction, and the beams are divided into upper beams and lower beams by taking the horizontal steps as boundaries; the floor slab framework structure is a prefabricated slab with a light heat insulation slab core, reinforcing steel bars are arranged in the floor slab framework structure along the length direction of the floor slab framework structure, and two ends of the reinforcing steel bars extend out of the floor slab framework structure to serve as connecting ribs; the two ends of the floor slab framework structure are installed on the horizontal steps of the beam, the connecting ribs of the floor slab framework structure opposite to the two sides of the middle beam are welded and are poured into a whole with the upper beam, and the connecting ribs of the floor slab framework structure on one side of the boundary beam are connected with the stress ribs in the upper beam of the boundary beam and are poured into a whole with the upper beam.

For another example, CN 205688656U discloses a prefabricated floor slab skeleton structural member, comprising: the upper surface layer, the base body and the lower surface layer are bonded and solidified together; the steel bar reinforced concrete composite floor is characterized in that an upper layer steel bar mesh, a steel framework and a lower layer steel bar mesh are wrapped in the base body, the upper layer steel bar mesh and the lower layer steel bar mesh are respectively fixed on the upper side and the lower side of the steel framework, and the base body contains a light base layer formed by foamed cement, foamed concrete or aerated concrete. The upper surface layer and the lower surface layer of the member can be finished with the base body in one step when being prefabricated in a factory, the workload of site construction can be greatly reduced, the dead weight is lighter, the surface layer is smoother, the heat preservation, the heat insulation and the sound insulation performance of the floor are better, and the construction cost can be greatly reduced.

However, the structural strength between the skeleton structure and the wall plate of the existing fabricated floor slab is not as good as that of a cast-in-place column, beam, building and roof layer, and the requirement of assembling a large building cannot be met.

Disclosure of Invention

For solving at least partial technical problem among the prior art, the utility model provides a new grillage unification floor skeleton texture, it has bigger structural rigidity and anti lateral rigidity, and structural firmness is better. Specifically, the present invention includes the following.

The utility model discloses a first aspect provides a slab frame unification floor skeleton texture, it includes the switching angle that comprises crossbeam, longeron and connection steel in the switching angle, the crossbeam with the longeron weld in with 45 degrees contained angles respectively in same one side of connection steel, thereby make the crossbeam with the longeron sets up just perpendicularly the crossbeam the longeron with the connection steel three is in the coplanar, a terminal salient of connection steel in the crossbeam forms first bead, and the terminal plane of first bead is on a parallel with the crossbeam, another terminal salient of connection steel in the longeron forms the second bead, and the terminal plane of second bead is on a parallel with the longeron.

Preferably, the welding position of the cross beam and the connecting steel is different from the welding position of the longitudinal beam and the connecting steel.

Preferably, the cross beam comprises a first cross beam and a second cross beam, the longitudinal beam comprises a first longitudinal beam and a second longitudinal beam, and the connecting steel comprises a first connecting steel, a second connecting steel, a third connecting steel and a fourth connecting steel; the one end of first crossbeam, the one end of first longeron and first connecting steel constitutes first switching angle, the other end of first crossbeam, the one end of second longeron and second connecting steel constitutes the second switching angle, the one end of second crossbeam, the other end of second longeron and third connecting steel constitutes the third switching angle, the other end of second crossbeam, the other end of first longeron and fourth connecting steel constitutes the fourth switching angle.

Preferably, the slab frame-in-slab framework structure further comprises a longitudinal purline connected between the first cross beam and the second cross beam, and the longitudinal purline is provided with a first cantilever protruding from the first cross beam and a second cantilever protruding from the second cross beam.

Preferably, the slab-in-slab framework further comprises a transverse purlin connected between the first longitudinal beam and the second longitudinal beam, optionally the transverse purlin has a first cantilever projecting from the first longitudinal beam and a second cantilever projecting from the second longitudinal beam.

Preferably, the cross beam, the longitudinal purline and the transverse purline are respectively made of C-shaped steel, the C-shaped steel groove of the first cross beam is opposite to the C-shaped steel groove of the second cross beam, and the C-shaped steel groove of the first longitudinal beam is opposite to the C-shaped steel groove of the second longitudinal beam.

Preferably, the slab frame integrated floor slab framework structure further comprises a steel mesh welded to one side of the floor slab framework, or further comprises a steel mesh welded to the other side of the floor slab framework.

Preferably, the connection steel is C-shaped steel, and the connection steel is disposed such that the groove thereof faces the inside of the floor slab framework.

The second aspect of the utility model provides a building, it includes the first aspect grillage unification floor skeleton texture.

Preferably, the building of the present invention further comprises a first wall and a second wall, wherein the first wall comprises a first steel beam and a first upright, and the second wall comprises a second steel beam and a second upright;

the cross beam of the slab frame integrated floor slab framework structure is arranged in parallel with the first steel beam, the cross beam is welded on at least one part of the first steel beam, and the first flange is welded above the first steel beam; the longitudinal beam of the slab frame integrated floor slab framework structure is parallel to the second steel beam, the longitudinal beam is welded on at least one part of the second steel beam, and the second flange is welded above the second steel beam; the shortest distance between each of the first upright post and the second upright post and the connecting steel is 20-60 mm.

The utility model discloses a grillage unification floor skeleton texture has special switching angle, can conveniently realize having the wall body of stand (or firm steel) through this switching angle between from top to bottom, and then can realize the assembly of large building under the condition that need not prefabricated bearing skeleton. In addition, the protruding ends of the connecting steel in the adapter angles further reinforce the cross beam, the longitudinal beam and the adjacent wall body.

In a preferred embodiment, the cross beam and the longitudinal beam of the slab frame-in-one floor slab framework structure can be welded with one side in the length direction of the wall body, so that the floor slab framework structure is firmly connected with the wall body, and meanwhile, the other side in the length direction of the wall body can also be firmly connected with the other floor slab framework structure in the horizontal direction through welding of the cross beam or the longitudinal beam. In addition, the cantilever structures of the horizontal purlines and the longitudinal purlines can also realize firm connection between two floor slab framework structures in the horizontal direction. So that the two plate frames are combined into a floor framework structure and are welded on the upper end surface of the wall body in a transverse or longitudinal opposite mode.

The utility model discloses a grillage unification floor skeleton texture can be used to constitute new assembly system, breaks traditional thinking, can combine together with bearing force frame and outer wall enclosure part, forms the assembled steel frame bearing structure system of board (floor skeleton texture) frame (bearing force frame) unification to structural rigidity and anti side rigidity are big, and structure anti-seismic performance is good.

Drawings

Figure 1 is a diagram of a first exemplary floor skeleton.

Figure 2 is a diagram of a second exemplary floor skeleton.

Figure 3 is a diagram of a third exemplary floor skeleton.

Figure 4 is a perspective view of a fourth exemplary floor frame.

FIG. 5 is a connection diagram of a floor frame and a wall frame in an exemplary building.

Description of reference numerals:

1-floor slab framework, 100-first transition angle, 110-cross beam, 120-longitudinal beam, 130-connecting steel, 130-1-first flange, 130-2-second flange, 200-second transition angle, 300-third transition angle, 400-fourth transition angle, 111-first cross beam, 112-second cross beam, 121-first longitudinal beam, 122-second longitudinal beam, 131-first connecting steel, 132-second connecting steel, 133-third connecting steel, 134-fourth connecting steel, 140-purlin, 141-longitudinal purlin first cantilever, 142-longitudinal purlin second cantilever, 150-transverse purlin, 151-transverse purlin first cantilever, 152-transverse purlin second cantilever, 2-first wall, 3-second wall, 21-first steel beam 21, 22-first upright column, 31-second steel beam, 21-1-first site, 21-2-second site, 31-1-third site and 31-2-fourth site.

Detailed Description

Reference will now be made in detail to various exemplary embodiments of the invention, which should not be considered limiting of the invention, but rather should be understood to be a more detailed description of certain aspects, features and embodiments of the invention.

It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Further, to the extent that numerical ranges are recited in the present disclosure, it is understood that the upper and lower limits of the range, and each intervening value therebetween, is specifically disclosed. Every smaller range between any stated value or intervening value in a stated range and any other stated or intervening value in a stated range is also encompassed within the invention. The upper and lower limits of these smaller ranges may independently be included or excluded in the range.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although only the preferred methods and materials are described in this disclosure, any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present disclosure. All documents mentioned in this specification are incorporated by reference herein for the purpose of disclosing and describing the methods and/or materials associated with the documents. In case of conflict with any incorporated document, the present specification will control. Unless otherwise indicated, "%" is percent by weight.

The utility model discloses a term "grillage unification floor skeleton texture" means the prefabricated component that is used for assembling large building, is the modular structure that can be used alone, transported, and it is different from building and partial structure thereof. Preferably, the utility model discloses a floor skeleton texture constitutes the horizontal plane.

The term "fixed connection" of the present invention includes either a detachable fixed connection or a non-detachable fixed connection. The fixed connection in a detachable manner includes a bolt connection and the like. The non-detachable fixed connection includes welding and the like.

Frame structure of slab-frame integrated floor slab

The utility model discloses an aspect provides a slab frame closes a floor skeleton texture, for setting up the skeleton in the floor skeleton texture of horizontal direction, is different with general floor skeleton texture's floor skeleton, the utility model discloses a floor skeleton includes at least one switching angle that comprises crossbeam, longeron and connecting steel. The structure thereof will be described in detail below.

Switching angle

The utility model discloses a floor skeleton can include a switching angle, also can include two switching angles, three switching angle, four switching angles, is more than four switching angles even.

The utility model discloses a switching angle has following structure: the crossbeam and the longeron weld in same one side of connecting the steel with 45 degrees contained angles respectively to make crossbeam and longeron vertical setting and crossbeam, longeron and connecting steel three be in the coplanar. One end of the connecting steel protrudes from the cross beam at an angle of 45 degrees to form a first flange as one end of the connecting steel, and the plane of the end of the flange is parallel to the cross beam.

In certain embodiments, the length of the first flange perpendicular to the thickness of the beam is the same as or at least more than half the thickness of the corresponding wall. Similarly, the other end of the connecting steel protrudes from the side member at an angle of 45 degrees to form a second flange as the other end of the connecting steel, the end plane of which is parallel to the side member. Preferably, the length of the second flange perpendicular to the thickness of the stringer is the same as or at least more than half the thickness of the corresponding wall. Preferably, the first flange has the same length as the second flange.

In certain embodiments, the welding location of the cross beam to the connecting steel is different from the welding location of the side beam to the same connecting steel. That is, the cross beams and the longitudinal beams which are perpendicular to each other are not connected at the corner joints, but welded integrally through the connecting steel. The design is more favorable for firm connection between the cross beam and the longitudinal beam on one hand, and also leaves enough necessary space for the upright columns at the vertical edges of the wall body on the other hand, thereby being more favorable for firm connection between the upper wall body and the lower wall body through the upright columns.

In certain embodiments, the floor slab framework of the present invention is quadrilateral, comprising four transition angles. Specifically, the cross member includes a first cross member and a second cross member. The stringers include a first stringer and a second stringer. The connection steels include a first connection steel, a second connection steel, a third connection steel, and a fourth connection steel. One end of the first cross beam, one end of the first longitudinal beam and the first connecting steel form a first connecting angle. Similarly, the other end of the first cross beam, one end of the second longitudinal beam and the second connecting steel form a second transfer angle. And one end of the second cross beam, the other end of the second longitudinal beam and the third connecting steel form a third transfer angle. And the other end of the second cross beam, the other end of the first longitudinal beam and the fourth connecting steel form a fourth transfer angle.

The utility model discloses in, the length of crossbeam and longeron is not specially limited, can freely set for according to floor skeleton texture's specification. The length of the cross beam can be greater than the length of the longitudinal beam, or the length of the cross beam can be less than the length of the longitudinal beam. It is also possible that the length of the cross beams is equal to the length of the longitudinal beams, so that the floor framework can be formed into a substantially square shape. The utility model discloses in, preferred crossbeam is C shaped steel. More preferably, the utility model discloses a first crossbeam and second crossbeam, and first crossbeam and second crossbeam are C shaped steel respectively, and both set up with the relative mode of C shaped steel's recess. The utility model discloses in, preferred longeron is C shaped steel. More preferably, the utility model discloses a first longeron and second longeron, and first longeron and second longeron are C shaped steel respectively, and both set up with the relative mode of C shaped steel's recess. The utility model discloses in, it is C shaped steel to connect the steel optimization, more preferably, connects the recess of steel with C shaped steel and sets up towards the inside mode of floor slab skeleton. The length of the connection steel is not particularly limited, and may be, for example, 300-600 mm.

Purlin

The utility model discloses in, the floor skeleton further includes the purlin optionally, and the purlin can be horizontal purlin, also can be vertical purlin. The number of purlins is not particularly limited.

In certain embodiments, the floor skeleton of the present invention further comprises a longitudinal purlin connected between the first cross member and the second cross member, and the longitudinal purlin has a first cantilever protruding from the first cross member and a second cantilever protruding from the second cross member. Preferably, the longitudinal purlins are parallel to the stringers. The number of longitudinal purlins is not particularly limited. Generally 2 to 10, preferably 2 to 8, more preferably 2 to 6, etc. The longitudinal purlines are preferably C-shaped steel. The connection mode of the longitudinal purlines and the cross beams is not particularly limited, and the longitudinal purlines and the cross beams can be connected through welding or can be integrally formed.

In certain embodiments, the floor frame of the present invention further comprises a transverse purlin connected between the first and second stringers. Preferably, the transverse purlin has a first cantilever projecting from the first stringer and a second cantilever projecting from the second stringer. Preferably, the transverse purlins are parallel to the transverse beams. The number of transverse purlins is not particularly limited. Generally 1 to 10, preferably 1 to 4, e.g. 1, etc. The longitudinal purlines are preferably C-shaped steel. The connection mode of the longitudinal purlines and the cross beams is not particularly limited, and the longitudinal purlines and the cross beams can be connected through welding or can be integrally formed.

Reinforcing or wire meshes

The utility model discloses an optional further including reinforcing bar net and/or wire net of floor skeleton.

In certain embodiments, the floor frames of the present invention further comprise a reinforcing mesh. Preferably, the mesh reinforcement is welded to one side of the floor slab framework. The utility model discloses well reinforcing bar net is the network structure who comprises the thick reinforcing bar of diameter. The diameter of the steel bar in the steel bar mesh is generally 5mm to 10 mm.

In certain embodiments, the floor frame of the present invention further comprises a steel mesh. Preferably the wire mesh is welded to the floor framework on the opposite side to the mesh reinforcement. The utility model discloses well steel wire net mean the network structure who comprises the thinner steel wire of diameter. The diameter of the steel wire is typically 1-4mm, for example 3 mm.

[ building ]

The second aspect of the present invention provides a building, which comprises the first aspect of the framework structure integrated with a frame.

In certain embodiments, the building includes a panel frame framework and vertical walls. The vertical wall body and the plate frame integrated framework structure are fixedly connected, for example welded. Preferably, the vertical walls include a first wall and a second wall. Preferably, the first wall is vertically connected with the second wall. The first wall body comprises a first steel beam and a first upright post. The second wall body comprises a second steel beam and a second upright post. The cross beam of the slab frame integrated floor slab framework structure is arranged in parallel with the first steel beam, the cross beam is welded on at least one part of the first steel beam, and the first flange is welded above the first steel beam; the longitudinal beam and the second steel beam of the slab frame integrated floor slab framework structure are arranged in parallel, the longitudinal beam is welded on at least one part of the second steel beam, and the second flange is welded above the second steel beam. The shortest distance between each of the first upright post and the second upright post and the connecting steel is 20-60 mm.

Example 1

Figure 1 is a diagram of an exemplary slab-and-slab integrated floor skeletal structure. As shown in fig. 1, in the present embodiment, the floor slab framework 1 has a transition angle 100. The transition angle 100 is formed by a transverse beam 110, a longitudinal beam 120 and a connecting steel 130. The cross beam 110 and the longitudinal beam 120 are welded to the same side of the connection steel 130 at an included angle of 45 degrees, respectively, so that the cross beam 110 and the longitudinal beam 120 are vertically disposed. The cross beam 110, the longitudinal beam 120 and the connection steel 130 are in the same plane. One end of the connecting steel 130 protrudes from the beam 110 to form a first flange 130-1. The end plane of the first flange 130-1 is parallel to the beam 110. The other end of the connecting steel 130 protrudes from the longitudinal beam 120 to form a second flange 130-2. The end plane of the first flange 130-2 is parallel to the longitudinal beam 120. The welding position of the cross beam 110 and the connecting steel 130 is kept at a certain distance from the welding position of the longitudinal beam 120 and the connecting steel 130.

Figure 2 is a second exemplary floor skeleton diagram. As shown in fig. 2, the floor slab skeleton includes two transition angles. Namely a first transition angle 100 and a second transition angle 200.

Figure 3 is a third exemplary floor skeleton diagram. As shown in fig. 3, the floor slab skeleton includes four transition angles. Namely a first transition angle 100, a second transition angle 200, a third transition angle 300 and a fourth transition angle 400.

In fig. 3, the cross beam comprises a first cross beam 111 and a second cross beam 112, the longitudinal beams comprise a first longitudinal beam 121 and a second longitudinal beam 122, and the connecting steels comprise a first connecting steel 131, a second connecting steel 132, a third connecting steel 133 and a fourth connecting steel 134. One end of the first cross member 111, one end of the first longitudinal member 121, and the first connecting steel 131 constitute a first corner 100. The other end of the first cross beam 111, one end of the second longitudinal beam 122, and the second connecting steel 132 form a second transfer angle 200. One end of the second cross beam 112, the other end of the second longitudinal beam 122, and the third connecting steel 133 form a third transfer angle 300. The other end of the second cross beam 112, the other end of the first longitudinal beam 121, and the fourth connecting steel 134 form a fourth transfer angle 400.

The floor slab framework further comprises 4 longitudinal purlins 140, each longitudinal purlin 140 being connected in parallel between the first cross beam 111 and the second cross beam 112. The longitudinal purlin 140 has a first cantilever 141 protruding from the first beam 111 and a second cantilever 142 protruding from the second beam 112. The floor slab framework structures can be firmly fixed on the wall bodies on two sides through the first cantilever 141 and the second cantilever 142, and the two floor slab framework structures adjacent in the horizontal direction can be fixed through the connection between the first cantilever 141 and the second cantilever 142 of other floor slab frameworks. In addition, it is also shown in figure 3 that the floor slab framework also includes 1 transverse purlin 150 secured in parallel between the first and second stringers 121, 122.

Figure 4 is a perspective view of a fourth exemplary floor frame. As shown in figure 4, in this floor slab framework, the transverse purlin 150 has a first cantilever 151 projecting from the first stringer 121 and a second cantilever 152 projecting from the second stringer 122. Crossbeam, longeron, indulge purlin, horizontal purlin and connection steel are C shaped steel respectively, and the C shaped steel recess of first crossbeam 111 sets up with the C shaped steel recess of second crossbeam 112 relatively, and the C shaped steel recess of first longeron 121 sets up with the C shaped steel recess of second longeron 122 relatively, and the C shaped steel recess of connection steel sets up with the mode towards floor slab skeleton is inside. Otherwise, the remaining structure is the same as the third exemplary floor skeleton shown in fig. 3.

Fig. 5 is a connection diagram between a floor frame and a wall frame in an exemplary building. As shown in fig. 5, the building includes a first wall 2 and a second wall 3. The first wall 2 comprises a first steel beam 21 and a first upright 22. Second wall 3 includes second steel beam 31 and second upright. Crossbeam 120 and first girder steel 21 parallel arrangement of grillage unification floor skeleton texture 1. The first flange 130-1 is welded to the first steel beam 21 at the first location 21-1. The purlin cantilever is welded to the first steel beam 21 at a second point 21-2. The longitudinal beam 120 is disposed in parallel with the second steel beam 31. The second flange 130-2 is welded to the stringer 120 at a third location 31-1. The second steel beam 31 is welded to the longitudinal beam 120 at a fourth location 31-2. The fourth location 31-2 is a contact surface along the length of the second steel beam 31 or the longitudinal beam 120. The shortest distance between the first upright 22 and the connecting steel 130 is 50 mm.

Although the first steel beam 21 and the cross beam 110 are not fixedly connected in fig. 5, in order to enhance the stability of the fixation, a person skilled in the art can completely fixedly connect the first steel beam 21 and the cross beam 110 by welding or the like at the contact surface.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.

Claims (10)

1. The plate-frame integrated floor slab framework structure is characterized by comprising a transfer angle formed by a cross beam, a longitudinal beam and connecting steel, wherein the cross beam and the longitudinal beam are respectively welded on the same side of the connecting steel at an included angle of 45 degrees, so that the cross beam and the longitudinal beam are vertically arranged, the cross beam, the longitudinal beam and the connecting steel are positioned in the same plane, one tail end of the connecting steel protrudes out of the cross beam to form a first protruding edge, the tail end plane of the first protruding edge is parallel to the cross beam, the other tail end of the connecting steel protrudes out of the longitudinal beam to form a second protruding edge, and the tail end plane of the second protruding edge is parallel to the longitudinal beam.

2. A slab-in-slab skeletal structure according to claim 1, characterized in that the welding locations of the cross beams and the connecting steels are different from the welding locations of the longitudinal beams and the connecting steels.

3. A slab-in-slab skeletal structure according to claim 2, wherein the cross beams comprise first and second cross beams, the longitudinal beams comprise first and second longitudinal beams, and the connecting steels comprise first, second, third and fourth connecting steels;

the one end of first crossbeam, the one end of first longeron and first connecting steel constitutes first switching angle, the other end of first crossbeam, the one end of second longeron and second connecting steel constitutes the second switching angle, the one end of second crossbeam, the other end of second longeron and third connecting steel constitutes the third switching angle, the other end of second crossbeam, the other end of first longeron and fourth connecting steel constitutes the fourth switching angle.

4. A slab-in-slab skeletal structure according to claim 3, further comprising a longitudinal purlin connected between the first and second transverse beams, the longitudinal purlin having a first cantilever projecting from the first transverse beam and a second cantilever projecting from the second transverse beam.

5. A slab-in-slab skeletal structure in accordance with claim 4, further comprising a transverse purlin connected between the first stringer and the second stringer, and having a first cantilever projecting from the first stringer and a second cantilever projecting from the second stringer.

6. A slab frame-in-one floor slab framework structure as claimed in claim 5, wherein the cross beams, the longitudinal purlins and the transverse purlins are respectively C-shaped steel, and the C-shaped steel grooves of the first cross beam are opposite to the C-shaped steel grooves of the second cross beam, and the C-shaped steel grooves of the first longitudinal beam are opposite to the C-shaped steel grooves of the second longitudinal beam.

7. A slab-in-slab skeletal structure as claimed in claim 6, further comprising a mesh of steel reinforcement welded to one side of the slab skeleton, or further comprising a wire mesh welded to the other side of the slab skeleton.

8. A slab-in-slab skeletal structure according to claim 1, characterized in that the connecting steel is C-section steel and is arranged such that its groove faces the interior of the slab skeleton.

9. A building comprising a slab-in-slab skeletal structure according to any of claims 1 to 8.

10. The building of claim 9, further comprising a first wall and a second wall, the first wall comprising a first steel beam and a first column, the second wall comprising a second steel beam and a second column;

the cross beam of the slab frame integrated floor slab framework structure is arranged in parallel with the first steel beam, the cross beam is welded on at least one part of the first steel beam, and the first flange is welded above the first steel beam;

the longitudinal beam of the slab frame integrated floor slab framework structure is parallel to the second steel beam, the longitudinal beam is welded on at least one part of the second steel beam, and the second flange is welded above the second steel beam;

the shortest distance between each of the first upright post and the second upright post and the connecting steel is 20-60 mm.

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