Building structure combining thin-wall steel and concrete

Abstract

The utility model provides a building structure combining thin-wall steel and concrete, which is characterized in that a concrete protection layer, a thin-wall steel frame and a concrete pouring body are sequentially arranged from outside to inside, the thin-wall steel frame is formed by assembling thin-wall steel combination columns, thin-wall steel combination beams and thin-wall steel combination plates, and the concrete pouring body is formed by assembling concrete pouring bodies. The thin-wall steel combination column, the thin-wall steel combination beam and the thin-wall steel combination plate are all made of thin-wall steel, concrete formwork installation holes and concrete circulation holes are formed in the surface of the thin-wall steel in order, and the concrete formwork installation holes are used for fixing a concrete pouring formwork. The concrete circulation holes are mainly used for facilitating flowing of poured concrete, and the concrete protection layer and the concrete pouring body are integrally connected through the concrete circulation holes. Under the condition that the fireproof thermal insulation performance is improved, standard modular construction is adopted, the on-site labor use amount can be reduced, the manufacturing cost investment is saved, and the civil construction and equipment pipeline installation construction period is shortened.

Description

Technical field:

[0001] The utility model relates to the technical field of steel structures and concrete structures, in particular to a building structure combining thin-walled steel and concrete. Background technology:

[0002] At present, although the traditional multi-story steel structure system has a fast construction speed, it has a high comprehensive cost and poor fire resistance. The traditional concrete structure has good fire resistance, but the construction speed is slow and the on-site labor usage is large. China is entering an aging society, which is not conducive to long-term cost control. As the real estate industry enters the stage of stock competition, the requirements for saving cost investment, shortening construction period, and improving fire resistance and thermal insulation performance are increasing. Finding a building structure system that is convenient to construct, has high fire resistance and thermal insulation performance, and is cost-controlled is an industry consensus that needs to be solved urgently. Summary of the invention:

[0003] In order to solve the defects of complex structure and high cost of traditional steel structure and concrete system, the utility model provides a building structure combining thin-walled steel and concrete, which is characterized by, from outside to inside, a concrete protective layer, a thin-walled steel frame and a concrete casting body, the thin-walled steel frame is assembled from thin-walled steel composite columns, thin-walled steel composite beams and thin-walled steel composite plates, the manufacturing materials of the thin-walled steel composite columns, thin-walled steel composite beams and thin-walled steel composite plates are all thin-walled steel, and the surface of the thin-walled steel is provided with neatly arranged concrete template mounting holes and concrete circulation holes, the function of the concrete template mounting holes is to fix the concrete casting template, the main function of the concrete circulation holes is to facilitate the flow of poured concrete, and the concrete protective layer and the concrete casting body are connected as a whole through the concrete circulation holes.

[0004] Additional tensile reinforcement and additional shear reinforcement are also arranged in the thin-walled steel composite column.

[0005] The thin-walled steel columns are further divided into L-shaped columns, T-shaped columns and Z-shaped columns.

[0006] The concrete circulation hole and the concrete template installation hole are in the shape of a circle, a rectangle or other geometric shapes or a combination of several of them.

[0007] The concrete formwork installation holes are also used to set shear keys, set exhaust holes and set temporary fixing components.

[0008] The utility model also discloses the following construction steps:

[0009] Step 1, prefabrication of thin-walled steel: the thin-walled steel used for the thin-walled steel composite columns, thin-walled steel composite beams and thin-walled steel composite panels are all modularly manufactured and processed in the factory.

[0010] Step 2: Laying out and positioning: Locate and calibrate the installation position of the thin-walled steel composite column on the site foundation.

[0011] Step 3, on-site assembly: installing the thin-walled steel composite columns, thin-walled steel composite beams and thin-walled steel composite panels in sequence on the on-site foundation to form a thin-walled steel frame.

[0012] Step 4: Reinforcement construction: Add additional tensile reinforcement and additional shear reinforcement at the required nodes on the thin-walled steel frame according to the design requirements.

[0013] Step 5: Pre-embed pipelines: Pre-embed pipelines or junction boxes in the cavity of the thin-walled steel frame according to design requirements.

[0014] Step 6: Formwork assembly: After the inspection of the node main materials and steel bars is completed, the concrete pouring formwork is assembled so that the concrete pouring formwork is attached and installed on the thin-walled steel frame.

[0015] Step 7, pouring concrete: pouring concrete and vibrating the concrete to make it dense, so as to form the concrete protective layer 1 and the concrete casting body.

[0016] Step 8: Formwork removal: After concrete curing is completed, remove the formwork, check the integrity of the concrete surface, and seal the bolt holes.

[0017] The utility model has the following advantages:

[0018] 1. Simple structure, quick installation and cost saving.

[0019] 2. The thin-walled steel of the main components of the thin-walled steel frame is modularly designed and processed in the factory. The thin-walled steel of the main structural components of the thin-walled steel frame can form a structural load-bearing system and can be quickly installed into a frame at the construction site. The thin-walled steel frame can be attached to the thin-walled steel for the installation of the pouring concrete formwork without the use of temporary brackets or top support measures. The cavity of the thin-walled steel frame can improve the accuracy of pipeline installation and make on-site pipeline construction more convenient. The modular design and construction of the thin-walled steel is a form of prefabricated building configuration, which improves construction efficiency while reducing construction costs. The main components of the thin-walled steel frame are all covered with a concrete protective layer on the surface, which has good fire resistance.

[0020] 3. The utility model adopts standard modular construction while improving the fireproof and heat-insulating performance, which can reduce the use of on-site manpower, save cost investment, shorten the construction period of civil engineering and equipment pipeline installation, and has high economic benefits. Description of the drawings:

[0021] Figure 1 It is a cross-sectional schematic diagram of the utility model.

[0022] Figure 2 This is the development schematic diagram of the thin-walled steel structure of the present utility model.

[0023] Figure 3 This is the cross-sectional schematic diagram of the assembled structure of the thin-walled steel frame of the present utility model.

[0024] Figure 4 This is the cross-sectional schematic diagram of the L-shaped column of the present utility model.

[0025] Figure 5 This is the cross-sectional schematic diagram of the T-shaped column of the present utility model.

[0026] Figure 6 This is the cross-sectional schematic diagram of the Z-shaped column of the present utility model.

[0027] Figure 7 This is the cross-sectional schematic diagram of the thin-walled steel composite column and thin-walled steel composite beam of the present utility model.

[0028] Figure 8 This is the cross-sectional schematic diagram of the thin-walled steel composite plate of the present utility model.

[0029] Reference signs in the drawings:

[0030] 1, concrete protective layer; 2, thin-walled steel frame; 3, concrete casting body

[0031] 4, thin-walled steel composite column; 5, thin-walled steel composite beam; 6, thin-walled steel composite plate

[0032] 7, thin-walled steel; 8, concrete circulation hole; 9, concrete formwork installation hole

[0033] 10, additional tension reinforcement; 11, additional shear reinforcement

[0034] 4-1, L-shaped column; 4-2, T-shaped column; 4-3, Z-shaped column Specific implementation manner:

[0035] As Figures 1 to 8 shown, the present utility model provides a building structure combining thin-walled steel and concrete, which is characterized in that, from outside to inside, there are successively a concrete protective layer 1, a thin-walled steel frame 2 and a concrete casting body 3. The thin-walled steel frame 2 is assembled by a thin-walled steel composite column 4, a thin-walled steel composite beam 5 and a thin-walled steel composite plate 6. The production materials of the thin-walled steel composite column 4, the thin-walled steel composite beam 5 and the thin-walled steel composite plate 6 are all thin-walled steel 7. The surface of the thin-walled steel 7 is provided with neatly arranged concrete formwork installation holes 9 and concrete circulation holes 8. The function of the concrete formwork installation hole 9 is to fix the concrete casting formwork. The main function of the concrete circulation hole 8 is to facilitate the flow of the poured concrete. The concrete protective layer 1 and the concrete casting body 3 are integrally connected through the concrete circulation hole 8.

[0036] Additional tensile reinforcement bars 10 and additional shear reinforcement bars 11 are also provided inside the thin-walled steel composite column 4.

[0037] The thin-walled steel composite column 4 is further divided into an L-shaped column 4-1, a T-shaped column 4-2, and a Z-shaped column 4-3.

[0038] The concrete circulation holes 8 and the concrete formwork installation holes 9 are one or a combination of several of circular, rectangular or other geometric shapes.

[0039] The concrete formwork installation holes 9 are also used to set shear keys, set vent holes and set temporary fixing members.

[0040] The construction steps of the present utility model are as follows:

[0041] Step 1, prefabrication of thin-walled steel 7: The thin-walled steel 7 used for the thin-walled steel composite column 4, the thin-walled steel composite beam 5 and the thin-walled steel composite slab 6 are all fabricated and processed modularly in the factory.

[0042] Step 2, setting out and positioning: Locate and calibrate the installation position of the thin-walled steel composite column 4 on the on-site foundation.

[0043] Step 3, on-site assembly: Install the thin-walled steel composite column 4, the thin-walled steel composite beam 5 and the thin-walled steel composite slab 6 in sequence on the on-site foundation to form a thin-walled steel frame 2.

[0044] Step 4, steel bar construction: Additional tensile reinforcement bars 10 and additional shear reinforcement bars 11 are added at the required joints on the thin-walled steel frame 2 according to the design requirements.

[0045] Step 5, pipeline embedding: Embed pipelines or wire boxes in the cavities of the thin-walled steel frame 2 according to the design requirements.

[0046] Step 6, formwork assembly: After the main materials and steel bars of the joints are inspected, the concrete pouring formwork is assembled so that the concrete pouring formwork is attached and installed on the thin-walled steel frame 2.

[0047] Step 7, pouring concrete: Pour concrete and vibrate it to make the concrete pouring dense, forming the concrete protective layer 1 and the concrete pouring body 3.

[0048] Step 8, formwork removal: Remove the formwork after the concrete curing is completed, check the integrity of the concrete surface, and seal the bolt hole positions.

[0049] In the description of the utility model patent, it should also be noted that unless otherwise clearly specified and defined, terms such as "arrangement" and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or a point connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the utility model patent can be understood according to specific circumstances.

[0050] As mentioned above, this is only one embodiment of the utility model patent, and its description is relatively specific and detailed. However, it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the utility model patent, several modifications and improvements can still be made, and these all belong to the protection scope of the utility model patent. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. A building structure combining thin-walled steel and concrete, characterized in that: From the outside to the inside, there are a concrete protective layer (1), a thin-walled steel frame (2) and a concrete casting body (3). The thin-walled steel frame (2) is assembled from a thin-walled steel composite column (4), a thin-walled steel composite beam (5) and a thin-walled steel composite plate (6). The thin-walled steel composite column (4), the thin-walled steel composite beam (5) and the thin-walled steel composite plate (6) are all made of thin-walled steel (7). The surface of the thin-walled steel (7) is provided with neatly arranged concrete template installation holes (9) and concrete circulation holes (8). The function of the concrete template installation holes (9) is to fix the concrete casting template. The main function of the concrete circulation holes (8) is to facilitate the flow of the cast concrete. The concrete protective layer (1) and the concrete casting body (3) are connected in one piece through the concrete circulation holes (8).

2. The building structure combining thin-walled steel and concrete according to claim 1 is characterized in that: Additional tensile reinforcement bars (10) and additional shear reinforcement bars (11) are also provided in the thin-walled steel composite column (4).

3. The building structure combining thin-walled steel and concrete according to claim 1 is characterized in that: The thin-walled steel composite column (4) is further divided into an L-shaped column (4-1), a T-shaped column (4-2), and a Z-shaped column (4-3).

4. The building structure combining thin-walled steel and concrete according to claim 1 is characterized in that: The concrete circulation hole (8) and the concrete formwork installation hole (9) are circular, rectangular, or a combination of several.

5. The building structure combining thin-walled steel and concrete according to claim 1 is characterized in that: The concrete formwork installation hole (9) is also used to set a shear key, set an exhaust hole and set a temporary fixing component.

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