Building structure based on steel structure superposed wall and construction process thereof
Technical Field
The invention belongs to the technical field of house construction, and relates to a building structure of a superposed wall, in particular to a building structure based on a steel structure superposed wall and a construction process thereof.
Background
The construction process of the existing steel structure building comprises the steps of building a steel structure, and then installing a wallboard outside the steel structure, or wrapping the steel structure inside and directly pouring the steel structure into a wall body. Because the steel construction can take place flexible deformation under different environment, the deflection is great moreover, so adopt current mode outer wall and interior wall all to have very general crack problem, and outer wall, interior wall and floor can not once pour the shaping simultaneously, and is more loaded down with trivial details during the construction, and work such as form setting and form removal is also more loaded down with trivial details. In addition, the fire prevention function and the heat preservation function need to be provided with related layers, and the construction condition is more complicated.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention designs the building structure based on the steel structure composite wall and the construction process thereof, which can prevent the outer wall and the inner wall from cracking, can pour and mold the outer wall, the inner wall and the floor slab at one time, and saves the process of disassembling the template, so that the construction process is simpler and more convenient.
The invention adopts the specific technical scheme that: the utility model provides a building structure based on steel construction coincide wall, includes steel construction, outer wall, interior wall and floor, and the steel construction is including setting up the outer wall I-shaped steel roof beam between outer wall and floor, setting up the interior wall I-shaped steel roof beam between inner wall and floor and the I-shaped steel post of setting between outer wall and inner wall, and outer wall I-shaped steel roof beam and interior wall I-shaped steel roof beam all fix between two adjacent I-shaped steel posts, and the key lies in: the outer wall and/or the inner wall comprise two cement boards which are vertically arranged, elastic layers are arranged between the I-shaped steel beam of the outer wall and the cement board which is positioned on the outer side of the outer wall, and/or between the I-shaped steel beam of the inner wall and the cement board which is positioned on the outer side of the inner wall, and/or between the I-shaped steel column and the cement board which is positioned on the outer side of the inner wall, and a concrete pouring layer is arranged in a cavity between the two cement boards of the outer wall/the inner wall.
The outer wall include outside-in the outer cement board that sets gradually, first elastic layer and interior cement board, outer wall I-shaped steel beam is located between first elastic layer and the interior cement board, between the web of outer wall I-shaped steel beam and first elastic layer, all be provided with the second elastic layer between the web of outer wall I-shaped steel beam and the interior cement board, be provided with outer concrete pouring layer in the cavity between first elastic layer and the interior cement board, the outer end of floor passes interior cement board and extends to outer wall I-shaped steel beam top.
The inner wall comprises inner wall cement boards positioned on two sides of the inner wall I-shaped steel beam, an upper elastic layer arranged between the inner wall I-shaped steel beam and the inner wall cement boards, and a lower elastic layer arranged on the inner wall of the inner wall cement boards and positioned below the inner wall I-shaped steel beam and the upper elastic layer, wherein a lower concrete pouring layer is arranged between the lower elastic layers on the two sides and positioned on the inner side of the I-shaped steel column, and the floor is positioned above the inner wall cement boards.
The outer wall comprises an outer cement board, a first elastic layer and an inner cement board which are sequentially arranged from outside to inside, the inner wall comprises inner wall cement boards located on two sides of an inner wall I-shaped steel beam, an upper elastic layer arranged between the inner wall I-shaped steel beam and the inner wall cement board, and a lower elastic layer arranged on the inner wall of the inner wall cement board and located below the inner wall I-shaped steel beam and the upper elastic layer, a lower concrete pouring layer is arranged between the lower elastic layers on the two sides and located on the inner side of an I-shaped steel column, the I-shaped steel column is located between the two inner wall cement boards and located at the end part of the inner wall, the outer end of the inner cement board penetrates through the inner cement board to be in contact with the first elastic layer, an outer concrete pouring layer is filled in a cavity between the inner cement board and the first elastic layer, and the I-shaped steel column is simultaneously in contact with the first elastic layer, the upper elastic layer and the lower elastic layer.
The cement slabs on the inner sides of the I-shaped steel beams of the outer wall and the two sides of the I-shaped steel beams of the inner wall comprise vertical plates and horizontal plates, and the floor slabs are inner concrete pouring layers located above the horizontal plates.
The first elastic layer and the lower elastic layer are heat-insulating layers, and the upper elastic layer is a fireproof layer.
And a group of outer wall anchoring ribs are fixed at the bottom of the outer wall I-shaped steel beam along the length direction, and the lower ends of the outer wall anchoring ribs extend into the outer concrete pouring layer below the outer wall anchoring ribs.
The positioning plate is arranged at the bottom of the I-shaped steel beam of the inner wall, the positioning plate is clamped and fixed between the upper elastic layer and the lower elastic layer, and all the inner wall anchoring ribs are fixedly connected with the positioning plate.
And a net rack or a connecting rod is fixed on the inner wall of the outer cement plate, and the inner end of the net rack or the connecting rod penetrates through the first elastic layer and extends to the inner part of the outer concrete pouring layer, so that the outer cement plate is fixedly connected with the outer concrete pouring layer.
The utility model provides a building structure's construction technology based on steel construction coincide wall, the key lies in: the construction process comprises the following steps:
a. building a foundation on a construction site: excavating a foundation trench in a construction site, paving a concrete cushion layer on the bottom surface of the foundation trench, pouring a group of concrete blocks on the concrete cushion layer, pre-burying foundation connecting pieces in the concrete blocks, and pouring cement between the adjacent concrete blocks to enable the cement to be flush with each concrete block so as to form a foundation;
b. building a steel structure on the foundation: fixedly connecting the lower ends of the I-shaped steel columns with the pre-embedded foundation connecting piece, and fixing an outer wall I-shaped steel beam and an inner wall I-shaped steel beam between the adjacent I-shaped steel columns to form a steel structure;
c. installing a cement board: fixing a prefabricated outer cement plate with a first elastic layer on the inner side on the outer side of an outer wall I-shaped steel beam, fixing an inner cement plate on the inner side of the outer wall I-shaped steel beam, filling second elastic layers between a web plate of the outer wall I-shaped steel beam and the first elastic layer and between the web plate of the outer wall I-shaped steel beam and the inner cement plate, and forming a cavity between the first elastic layer and the inner cement plate into an outer concrete pouring cavity;
fixing an inner wall cement board with a lower elastic layer on the inner wall of the lower end and an inner wall I-shaped steel beam together, enabling the outer end of the inner wall cement board to penetrate through the inner cement board to be in contact with a first elastic layer, arranging an upper elastic layer between the upper end of the inner wall I-shaped steel beam and the inner wall cement board, enabling a cavity between the lower elastic layers on the two sides to be a lower concrete pouring cavity, and forming a pouring platform of a floor slab on the upper end surfaces of an outer wall horizontal plate of the inner cement board and an inner wall horizontal plate of the inner wall cement board;
d. pouring concrete: and concreting on the outward concrete pouring cavity, the lower concrete pouring cavity and the pouring platform, and respectively forming an outer concrete pouring layer, a lower concrete pouring layer and a floor slab after solidification.
The invention has the beneficial effects that: the outer wall I-shaped steel beam, the inner wall I-shaped steel beam and the I-shaped steel column are directly contacted with the elastic layer, and when the outer wall I-shaped steel beam, the inner wall I-shaped steel beam and the I-shaped steel column deform, the elastic layer can effectively play a role in buffering, so that cracks of the outer wall and the inner wall are prevented. The invention directly uses the cement board as the template, and saves the process of disassembling the template, so that the construction process is simpler and more convenient. The construction process can complete the pouring of the outer concrete pouring layer, the lower concrete pouring layer and the floor slab at one time, so that the outer wall, the inner wall and the floor slab can be formed at one time, and the construction is simpler and more convenient.
Drawings
Fig. 1 is a front view of a connection structure of an outer wall, an inner wall and a floor slab according to the present invention.
Fig. 2 is a plan view of the connection structure of the outer wall and the inner wall according to the present invention.
In the attached drawings, 1 represents a floor slab, 2 represents an outer wall I-shaped steel beam, 3 represents an outer cement slab, 4 represents a first elastic layer, 5 represents an inner cement slab, 6 represents a second elastic layer, 7 represents an outer concrete pouring layer, 8 represents an outer wall anchoring rib, 9 represents a bearing plate, 10 represents a net rack, 11 represents an inner wall I-shaped steel beam, 12 represents an inner wall cement slab, 13 represents an upper elastic layer, 13-1 represents an outer elastic layer, 13-2 represents an inner elastic layer, 14 represents a lower elastic layer, 15 represents a lower concrete pouring layer, 16 represents a positioning plate, 17 represents an inner wall anchoring rib, 18 represents an I-shaped steel column, 19 represents a horizontal anchoring rib, 20 represents a connecting plate, and 21 represents an elastic fireproof layer.
Detailed Description
The invention is described in detail below with reference to the following figures and specific embodiments:
in the specific embodiment, as shown in fig. 1 and fig. 2, a building structure based on a steel structure laminated wall comprises a steel structure, an outer wall which is vertically arranged, an inner wall which is vertically arranged at the inner side of the outer wall, and a floor slab 1 which is horizontally arranged above the inner wall, wherein the steel structure comprises an outer wall i-shaped steel beam 2 which is arranged between the outer wall and the floor slab 1, an inner wall i-shaped steel beam 11 which is arranged between the inner wall and the floor slab 1, and an i-shaped steel column 18 which is arranged between the outer wall and the inner wall, the outer wall i-shaped steel beam 2 and the inner wall i-shaped steel beam 11 are both fixed between two adjacent i-shaped steel columns 18, the outer wall and/or the inner wall both comprise two cement slabs which are vertically arranged, an elastic layer is arranged between the outer wall i-shaped steel beam 2 and the cement slab which is positioned at the outer side of the outer wall, and/or between the inner wall i-shaped steel beam 11 and the cement slab which is positioned at, and a concrete pouring layer is arranged in a cavity between the two cement boards of the outer wall/the inner wall.
As a further improvement of the invention, the cement slabs on the inner side of the outer wall I-shaped steel beam 2 and the cement slabs on the two sides of the inner wall I-shaped steel beam 11 comprise vertical plates and horizontal plates, and the floor slab 1 is an inner concrete pouring layer above the horizontal plates. That is, the inner cement board 5 and the inner wall cement board 12 both comprise a vertical board and a horizontal board, so that the outer wall, the inner wall and the floor slab can be formed by one-time pouring, and the construction process is simpler and more convenient.
In the embodiment 1, the building structure is formed by connecting only the outer wall I-shaped steel beam 2 with the outer wall by virtue of the elastic layer, and the concrete structure is as follows: the outer wall includes the outer cement board 3 that outside-in set gradually, first elastic layer 4, and interior cement board 5, outer wall I-shaped steel beam 2 is located between first elastic layer 4 and the interior cement board 5, between the web of outer wall I-shaped steel beam 2 and first elastic layer 4, all be provided with second elastic layer 6 between the web of outer wall I-shaped steel beam 2 and the interior cement board 5, be provided with outer concrete pouring layer 7 in the cavity between first elastic layer 4 and the interior cement board 5, cement board 5 extends to outer wall I-shaped steel beam 2 top in passing of floor 1's outer end. When the outer wall I-shaped steel beam 2 deforms, the first elastic layer 4 and the second elastic layer 6 can effectively play a role in buffering, and the outer wall is prevented from cracking.
Embodiment 2 is different from embodiment 1 in that only the i-beam 11 of the inner wall of the building structure is connected with the inner wall by the elastic layer, and the specific structure is as follows: the inner wall comprises inner wall cement boards 12 located on two sides of an inner wall I-shaped steel beam 11, an upper elastic layer 13 arranged between the inner wall I-shaped steel beam 11 and the inner wall cement boards 12, and a lower elastic layer 14 arranged on the inner wall of the inner wall cement boards 12 and located below the inner wall I-shaped steel beam 11 and the upper elastic layer 13, wherein a lower concrete pouring layer 15 is arranged between the lower elastic layers 14 on the two sides, the lower concrete pouring layer 15 is located on the inner side of the I-shaped steel beam 18, and the floor slab 1 is located above the inner wall cement boards 12. When the inner wall I-shaped steel beam 11 deforms, the upper elastic layer 13 and the lower elastic layer 14 can effectively play a role in buffering, and cracks are prevented from occurring on the inner wall.
Example 3, different from examples 1 and 2, the building structure only has the i-shaped steel columns 18 connected with the outer wall and the inner wall by the elastic layer, and the specific structure is as follows: the outer wall comprises an outer cement plate 3, a first elastic layer 4 and an inner cement plate 5 which are sequentially arranged from outside to inside, the inner wall comprises inner wall cement plates 12 positioned at two sides of an inner wall I-shaped steel beam 11, an upper elastic layer 13 arranged between the inner wall I-shaped steel beam 11 and the inner wall cement plates 12 and a lower elastic layer 14 arranged on the inner wall of the inner wall cement plates 12 and positioned below the inner wall I-shaped steel beam 11 and the upper elastic layer 13, a lower concrete pouring layer 15 is arranged between the lower elastic layers 14 at the two sides, the lower concrete pouring layer 15 is positioned at the inner side of an I-shaped steel column 18, the I-shaped steel column 18 is positioned between the two inner wall cement plates 12 and positioned at the end part of the inner wall, the outer end of the inner wall cement plate 12 penetrates through the inner cement plate 5 to be in contact with the first elastic layer 4, an outer concrete pouring layer 7 is filled in a cavity between the inner cement plate 5 and the first elastic layer 4, and the I-shaped steel column 18 is simultaneously connected with the, The upper elastic layer 13 and the lower elastic layer 14 are in contact. When the I-shaped steel column is deformed, the upper elastic layer 13, the lower elastic layer 14 and the first elastic layer 4 can effectively play a role in buffering, and cracks are prevented from occurring on the inner wall and the outer wall.
In example 4, the outer wall i-shaped steel beams 2 of the building structure are connected with the outer wall, the inner wall i-shaped steel beams 11 are connected with the inner wall, and the i-shaped steel columns 18 are connected with the outer wall and the inner wall by elastic layers, and the specific structure is as follows: the outer wall comprises an outer cement plate 3, a first elastic layer 4 and an inner cement plate 5 which are sequentially arranged from outside to inside, the outer wall I-shaped steel beam 2 is positioned between the first elastic layer 4 and the inner cement plate 5, second elastic layers 6 are respectively arranged between a web plate of the outer wall I-shaped steel beam 2 and the first elastic layer 4 and between a web plate of the outer wall I-shaped steel beam 2 and the inner cement plate 5, an outer concrete pouring layer 7 is arranged in a cavity between the first elastic layer 4 and the inner cement plate 5, and the outer end of the floor slab 1 penetrates through the inner cement plate 5 and extends to the upper part of the outer wall I-shaped steel beam 2; the inner wall comprises inner wall cement boards 12 positioned on two sides of an inner wall I-shaped steel beam 11, an upper elastic layer 13 arranged between the inner wall I-shaped steel beam 11 and the inner wall cement boards 12, and a lower elastic layer 14 arranged on the inner wall of the inner wall cement boards 12 and positioned below the inner wall I-shaped steel beam 11 and the upper elastic layer 13, wherein a lower concrete pouring layer 15 is arranged between the lower elastic layers 14 on the two sides, the lower concrete pouring layer 15 is positioned on the inner side of the I-shaped steel beam 18, and the floor slab 1 is positioned above the inner wall cement boards 12; the I-shaped steel column 18 is located between the two inner wall cement boards 12 and located at the end of the inner wall, the outer ends of the inner wall cement boards 12 penetrate through the inner cement boards 5 to be in contact with the first elastic layer 4, a cavity between the inner cement boards 5 and the first elastic layer 4 is filled with the outer concrete pouring layer 7, and the I-shaped steel column 18 is simultaneously in contact with the first elastic layer 4, the upper elastic layer 13 and the lower elastic layer 14. When the I-shaped steel column is deformed, the upper elastic layer 13, the lower elastic layer 14, the first elastic layer 4 and the second elastic layer 6 can effectively play a role in buffering, and cracks are prevented from occurring on the inner wall and the outer wall.
In embodiments 1 and 4, a set of outer wall anchoring ribs 8 are fixed to the bottom of the outer wall i-shaped steel beam 2 along the length direction, and the lower ends of the outer wall anchoring ribs 8 extend into the outer concrete pouring layer 7 located below the outer wall anchoring ribs. The outer wall I-shaped steel beams 2 are connected with the outer concrete pouring layer 7 through the outer wall anchoring ribs 8, and cracks can be prevented from appearing on the outer cement board 3 and the inner cement board 5 which are positioned on the outer side of the splicing position of the outer wall I-shaped steel beams 2 and the outer concrete pouring layer 7.
In embodiments 2, 3 and 4, a set of inner wall anchoring ribs 17 are arranged at the bottom of the inner wall i-shaped steel beam 11 along the length direction, and the lower ends of the inner wall anchoring ribs 17 extend into the lower concrete pouring layer 15. The inner wall I-shaped steel beams 11 are connected with the lower concrete pouring layer 15 through the inner wall anchoring ribs 17, so that cracks can be prevented from appearing on the inner wall cement boards 12 located on the outer side of the splicing position of the inner wall I-shaped steel beams 11 and the lower concrete pouring layer 15.
In the embodiments 2, 3 and 4, the positioning plate 16 is arranged at the bottom of the i-shaped steel beam 11 of the inner wall, the positioning plate 16 is clamped and fixed between the upper elastic layer 13 and the lower elastic layer 14, and all the inner wall anchoring ribs 17 are fixedly connected with the positioning plate 16. All the inner wall anchoring ribs 17 are fixed on the positioning plate 16, and during installation, the positioning plate 16 with the inner wall anchoring ribs 17 is directly inserted between the upper elastic layer 13 and the lower elastic layer 14, so that the assembly and disassembly are convenient and rapid, and the time and the labor are saved.
In embodiments 1, 3, and 4, the net frame 10 or the connecting rod is fixed to the inner wall of the outer cement panel 3, and the inner end of the net frame 10 or the connecting rod extends into the outer concrete casting layer 7 through the first elastic layer 4, so that the outer cement panel 3 is fixedly connected to the outer concrete casting layer 7. As shown in fig. 1, which is a front view of the outer wall and the floor slab 1, all the net racks 10 are arranged in the vertical direction, and the net racks 10 firmly connect the outer cement board 3, the first elastic layer 4 and the outer concrete pouring layer 7 together, so that the outer cement board 3 and the first elastic layer 4 can be effectively prevented from falling off. The single net rack 10 can swing along with the expansion of concrete and the expansion and contraction deformation of the outer wall, and the outer wall is effectively prevented from cracking. In order to provide the net frame 10 and the connecting rods with sufficiently high strength, the net frame 10 is preferably a metal net frame, and the connecting rods are preferably metal connecting rods.
In examples 3 and 4, a set of horizontal anchoring ribs 19 are provided on the inner side of the i-shaped steel column 18 in the longitudinal direction, and the inner ends of the horizontal anchoring ribs 19 extend into the lower concrete pouring layer 15. The horizontal anchoring ribs 19 are used to firmly connect the lower concrete pouring layer 15 and the i-shaped steel columns 18, so that cracks can be prevented from occurring in the lower elastic layer 14 and the inner wall cement slabs 12 located outside the joints of the lower concrete pouring layer 15 and the i-shaped steel columns 18. The inner wall of the lower elastic layer 14 positioned on the inner side of the I-shaped steel column 18 protrudes inwards to form a limiting edge, a connecting plate 20 is arranged between the limiting edge and the I-shaped steel column 18, and all the horizontal anchoring ribs 19 are fixedly connected with the connecting plate 20. During installation, the connecting plate 20 with the horizontal anchoring ribs 19 is directly inserted between the limiting edge and the I-shaped steel column 18, so that the mounting and dismounting are convenient and fast, and time and labor are saved. In order to make the connecting plate 20 and the i-shaped steel column 18 closely contact, the connecting plate 20 and the i-shaped steel column 18 may be fixed together by using bolts, screws, or the like, or by welding.
The first elastic layer 4 and the lower elastic layer 14 involved in the present invention are heat insulating layers, and the upper elastic layer 13 and the second elastic layer 6 are fire retardant layers. Under effectively avoiding interior wall, outer wall to appear cracked prerequisite, can also play the effect that keeps warm and prevent fires, need not set up solitary heat preservation and flame retardant coating again, the construction is simple and convenient more.
The outer cement board 3 and the inner wall cement board 12 in the invention have the same structure and are both plate-shaped structures formed by splicing a group of board units, and adjacent board units are in close contact with each other, so that the assembly is simple and convenient, and time and labor are saved; or, leave the expansion joint between the adjacent plate body unit, the expansion joint inboard is provided with socket plate 9, socket plate 9 and one of them plate body unit fixed connection, form the overlap joint structure with another plate body unit, it is simple and convenient when assembling, time saving and labor saving, socket plate 9 can play the supporting role to plate body unit and first elastic layer 4, guide to plate body unit in the assembling process, be convenient for adjust the expansion joint width between two plate body units, plate body unit with the help of the 9 concatenations of socket plate has high roughness between. Simultaneously, the bearing and inserting plate 9 can support the expansion joint between the two plate body units, and the outer wall is effectively prevented from cracking at the expansion joint. The width at expansion joint can be adjusted according to different demands, can satisfy multiple building environment's user demand.
When the invention is used in particular, the upper elastic layer 13 comprises an outer elastic layer 13-1 fixed on the inner wall of the inner wall cement board 12 and an inner elastic layer 13-2 arranged between the outer elastic layer 13-1 and the web plate of the inner wall I-shaped steel beam 11. The inner elastic layer 13-2 is independently arranged, so that the filling is simple and convenient, and the filling effect is better.
In order to enable the first elastic layer 4, the second elastic layer 6, the outer elastic layer 13-1, the inner elastic layer 13-2 and the lower elastic layer 14 to have enough thickness, so that the buffer effect can be effectively achieved, cracks of an outer wall and an inner wall can be prevented, and the outer wall and the inner wall have enough high strength and bearing capacity, the thickness of the first elastic layer 4 is set to be 30-150mm, the thickness of the second elastic layer 6 is set to be 30-150mm, the thickness of the outer cement plate 3 is set to be 10-25mm, the thickness of the inner cement plate 5 is set to be 10-25mm, the thickness of the outer concrete pouring layer 7 is set to be 50-200mm, the thickness of the outer elastic layer 13-1 is set to be 30-150mm, the thickness of the inner elastic layer 13-2 is set to be 30-150mm, the thickness of the lower elastic layer 14 is set to be 50-150mm, the thickness of the inner wall cement panel 12 is set to 10-25mm, and the thickness of the lower concrete cast layer 15 is set to 50-150 mm.
A construction process of a building structure based on a steel structure laminated wall comprises the following steps:
a. building a foundation on a construction site: excavating a foundation trench in a construction site, paving a concrete cushion layer on the bottom surface of the foundation trench, pouring a group of concrete blocks on the concrete cushion layer, pre-burying foundation connecting pieces in the concrete blocks, and pouring cement between the adjacent concrete blocks to enable the cement to be flush with each concrete block so as to form a foundation;
b. building a steel structure on the foundation: fixedly connecting the lower ends of the I-shaped steel columns 18 with the pre-embedded foundation connecting piece, and fixing the outer wall I-shaped steel beam 2 and the inner wall I-shaped steel beam 11 between the adjacent I-shaped steel columns 18 to form a steel structure;
c. installing a cement board: fixing an outer cement plate 3 which is prefabricated and provided with a first elastic layer 4 and a net rack 10 on the inner side at the outer side of an outer wall I-shaped steel beam 2, fixing an inner cement plate 5 on the inner side of the outer wall I-shaped steel beam 2, filling a second elastic layer 6 between a web plate of the outer wall I-shaped steel beam 2 and the first elastic layer 4 and between a web plate of the outer wall I-shaped steel beam 2 and the inner cement plate 5, forming a cavity between the first elastic layer 4 and the inner cement plate 5 into an outer concrete pouring cavity, and extending the inner end of the net rack 10 into the outer concrete pouring cavity through the first elastic layer 4;
an inner wall cement board 12 with a lower elastic layer 14 on the inner wall of the lower end and an outer elastic layer 13-1 on the inner wall of the upper end is fixed with an I-shaped steel beam 11 of the inner wall, the outer end of the inner wall cement board 12 passes through the inner cement board 5 to be contacted with a first elastic layer 4, then an inner elastic layer 13-2 is filled between the outer elastic layer 13-1 and the web plate of the I-shaped steel beam 11 of the inner wall, an upper elastic fireproof layer 21 is filled between a web plate of an I-shaped steel column 18 and a lower elastic layer 14, a connecting plate 20 with horizontal anchoring ribs 19 is inserted between a limiting edge and the I-shaped steel column 18, a positioning plate 16 with inner wall anchoring ribs 17 is inserted between an upper elastic layer 13 and the lower elastic layer 14, a cavity between the lower elastic layers 14 on two sides is a lower concrete pouring cavity, and the upper end surfaces of an outer wall horizontal plate of an inner cement plate 5 and an inner wall horizontal plate of an inner wall cement plate 12 form a pouring platform of a floor slab 1;
d. pouring concrete: and concretes are poured on the outward concrete pouring cavity, the lower concrete pouring cavity and the pouring platform, and after solidification, an outer concrete pouring layer 7, a lower concrete pouring layer 15 and the floor slab 1 are formed respectively.
When the outer wall I-shaped steel beam 2 deforms, the first elastic layer 4 and the second elastic layer 6 can effectively play a role in buffering, and the outer wall is prevented from cracking. When the inner wall i-shaped steel beam 11 and the i-shaped steel column 18 deform, the upper elastic layer 13, the lower elastic layer 14 and the first elastic layer 4 can effectively play a role in buffering, and cracks are prevented from occurring on the inner wall. The invention directly uses the outer cement plate 3 and the inner cement plate 5 as the templates, thereby saving the process of disassembling the templates and leading the construction process to be simpler and more convenient. The construction process can complete the one-step pouring of the outer concrete pouring layer 7, the lower concrete pouring layer 15 and the floor slab 1, so that the outer wall, the inner wall and the floor slab 1 can be formed in one step, and the construction is simpler and more convenient.