Steel bar grid structure for house construction

Abstract

The invention discloses a house construction reinforcement grid structure which comprises a frame body, the frame body is composed of a top plate arranged at the upper end, a bottom plate arranged at the lower end, a left vertical plate and a right vertical plate, the left vertical plate and the right vertical plate are arranged between the top plate and the bottom plate and used for connection, and the top plate and the bottom plate are the same in structure size; a first supporting plate, a second supporting plate, a third supporting plate and a fourth supporting plate are further arranged between the left side vertical plate and the right side vertical plate, and the middles of the two sides of the left side vertical plate, the right side vertical plate, the first supporting plate, the second supporting plate, the third supporting plate and the fourth supporting plate are each sequentially provided with a baffle structure. A plurality of reinforcing steel bar structures are arranged among the first supporting plate, the second supporting plate, the third supporting plate and the fourth supporting plate.

Description

Technical Field

[0001] The present invention relates to the technical field related to house construction, and in particular to a steel grid structure for ground floor houses that can realize integrated earthquake resistance and thermal insulation. Background Art

[0002] In the construction of ground-floor housing and villas, the coordinated improvement of seismic resistance and thermal insulation performance has always been a core focus of the industry's technical research. However, the current traditional construction model faces significant technical bottlenecks: on the one hand, structural seismic resistance relies on a combination of concrete pouring and steel mesh laying. However, the material properties of steel and concrete differ, resulting in poor synergistic force-bearing effect. Under the action of seismic loads, cracks and deformations are prone to occur. In particular, stress concentration is prominent at the beam-column joints of ground-floor housing, making it difficult to ensure the overall structural stability.

[0003] On the other hand, the thermal insulation function is mostly achieved by later pasting insulation boards. This external insulation layer has low bonding strength with the main structure and is affected by factors such as temperature changes and structural settlement. It is very easy to produce quality risks such as hollowing and falling off. Moreover, the thermal insulation material itself does not have structural support and cannot participate in the overall force system.

[0004] In addition, the step-by-step construction model not only prolongs the construction period and increases labor and material costs, but also makes it difficult to solve the energy loss problem caused by the thermal bridge effect. As a result, ground-floor houses generally face multiple challenges such as insufficient seismic safety, rapid attenuation of insulation effects, and low living comfort. An integrated and collaborative innovative structural design is urgently needed to break through the limitations of existing technology. Summary of the Invention

[0005] The purpose of the present invention is to overcome the defects in the existing ground floor house construction, such as the difficulty in integrating earthquake resistance and thermal insulation, poor coordination of structural tensile and compressive resistance, and insufficient stability of the insulation layer, and to provide a steel grid structure for house construction to achieve a coordinated improvement in the earthquake resistance and thermal insulation performance of the ground floor house, while simplifying the construction process and reducing construction costs.

[0006] In order to achieve the above objectives, the following technical solutions are provided:

[0007] A steel grid structure for building a house includes a frame body, wherein the frame body consists of a top plate arranged at the upper end, a bottom plate at the lower end, and a left vertical plate and a right vertical plate arranged between the top plate and the bottom plate for connection. The top plate and the bottom plate have the same structural dimensions. Support plate 1, support plate 2, support plate 3 and support plate 4 are also arranged between the left vertical plate and the right vertical plate. Blocking plate structures are sequentially arranged in the middle of both sides of the left vertical plate, the right vertical plate, support plate 1, support plate 2, support plate 3 and support plate 4. A number of steel reinforcement rib structures are respectively arranged between support plate 1, support plate 2, support plate 3 and support plate 4.

[0008] Preferably, the top plate includes, from right to left, a first top plate 21 , a second top plate, a third top plate, a fourth top plate and a fifth top plate, the widths of which decrease successively.

[0009] Preferably, the widths of the first top plate, the second top plate, the third top plate, the fourth top plate and the fifth top plate correspond one-to-one to the widths of support plate four, support plate three, support plate two, the left vertical plate and support plate one.

[0010] Preferably, the baffle plate structure includes a parallel baffle plate arranged between the support plate four and the right vertical plate, and an oblique baffle plate arranged between the support plate four and the left vertical plate.

[0011] Preferably, the angle between the oblique blocking plate and the parallel blocking plate is 15-30 degrees.

[0012] Preferably, a hollow portion with upper and lower intervals is formed between the support plate four and the right vertical plate through parallel blocking plates.

[0013] Preferably, the left vertical plate, the right vertical plate, the support plate one, the support plate two, the support plate three, the support plate four and the barrier plate structure are injected with insulation material to form an insulation layer.

[0014] Preferably, the steel reinforcement structure is arranged on both sides of the insulation layer, and concrete is filled between the insulation layer, the steel reinforcement structure and the frame body.

[0015] Compared with the prior art, the steel grid structure for house construction of the present invention has the following beneficial effects:

[0016] Integrated seismic resistance and thermal insulation: The three-layer coordinated structure of steel grid frame + insulation layer + concrete is used. The steel grid frame, including steel reinforcement, ensures the tensile performance of the structure, the concrete ensures the compressive capacity, and the middle insulation layer realizes the thermal insulation function. The three together form an overall seismic-resistant framework, which completely solves the problem of traditional housing seismic resistance and thermal insulation being implemented step by step, and realizes an integrated design.

[0017] Strong structural stability:

[0018] The roof's segmented design corresponds to the width of the underlying support structure, avoiding localized stress concentration. The angle between the diagonal and parallel baffles is designed to be 15-30 degrees, effectively dispersing horizontal seismic stress. The cross-net pattern of steel reinforcement further enhances tensile strength, significantly improving the overall structural seismic resistance and ensuring the building's durability.

[0019] Long-lasting thermal insulation effect:

[0020] The insulation layer is injected into the enclosed area between the frame and the barrier panels, and is fixed with steel reinforcement bars and concrete on both sides to prevent the insulation layer from falling off or cracking. The enclosed structure reduces air convection, maintains stable insulation performance, and keeps the house warm in winter and cool in summer, improving living comfort.

[0021] Convenient construction and low cost:

[0022] The integrated structural design reduces the traditional construction process of pouring the main body and pasting the insulation layer, shortening the construction period. Each component can be prefabricated and assembled on site, and then the insulation material and concrete are directly injected, reducing labor and material costs.

[0023] Good functional scalability:

[0024] The hollowed-out area between the fourth support plate and the right vertical plate can be used directly to install windows or reserved openings without the need for additional excavation, which simplifies the construction process of the functional layout of the house and improves the practicality and flexibility of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a front view structural diagram of the steel grid structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the three-dimensional structure of the steel grid structure of the present invention;

[0027] Figure 3 Schematic diagram of the top view of the steel grid structure of the present invention;

[0028] According to the accompanying drawings, wherein:

[0029] 1. Right vertical plate, 2. Top plate, 21. First top plate, 22. Second top plate, 23. Third top plate, 24. Fourth top plate, 25. Fifth top plate, 3. Support plate four, 4. Support plate two, 5. Support plate one, 6. Left vertical plate, 7. Steel reinforcement structure, 8. Support plate three, 9. Bottom plate, 10. Blocking plate structure, 101. Parallel blocking plate, 102. Oblique blocking plate, 11. Hollow part. DETAILED DESCRIPTION

[0030] The technical solutions of the present invention will be clearly and completely described below in conjunction with specific embodiments. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be noted that terms such as center, up, down, left, right, vertical, horizontal, inside, and outside, indicating positions or relationships, are merely illustrative and are intended to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms first, second, and third are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms installation, connection, and connection should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] like Figure 1 As shown in FIG3 , a steel grid structure for building construction includes a frame body, a barrier plate structure, a steel reinforcement structure, an insulation layer, and a concrete filling layer. The specific structural features are as follows:

[0034] Frame structure:

[0035] The frame body is the overall load-bearing foundation, consisting of a top plate 2 at the upper end, a bottom plate 9 at the lower end, and a left vertical plate 6 and a right vertical plate 1 connecting the top plate 2 and the bottom plate 9; among them, the structural dimensions of the top plate 2 and the bottom plate 9 are exactly the same to ensure that the frame is balanced in force.

[0036] Between the left vertical plate 6 and the right vertical plate 1, support plate 1 5, support plate 2 4, support plate 3 8 and support plate 4 3 are arranged in sequence along the horizontal direction. The above-mentioned vertical plates and support plates together constitute the longitudinal and transverse support system of the frame body, thereby improving the overall stability of the structure.

[0037] Roof segment design

[0038] The top plate 2 is arranged in stepped sections from right to left, including a first top plate 21, a second top plate 22, a third top plate 23, a fourth top plate 24 and a fifth top plate 25, and the width of each segmented top plate decreases from right to left; further, the width of the first top plate 21 is consistent with the width of the support plate four 3, the width of the second top plate 22 is consistent with the width of the support plate three 8, the width of the third top plate 23 is consistent with the width of the support plate two 4, the width of the fourth top plate 24 is consistent with the width of the left vertical plate 6, and the width of the fifth top plate 25 is consistent with the width of the support plate one 5. This design ensures that the top plate is fully fitted with the supporting structure below to avoid local force concentration.

[0039] Barrier plate structure and hollow part

[0040] In the middle of both sides of the left vertical plate 6, the right vertical plate 1, the support plate 1 5, the support plate 2 4, the support plate 3 8 and the support plate 4 3, the barrier plate structure 10 is fixedly arranged in sequence along the vertical direction; the barrier plate structure 10 includes two types: one is the parallel barrier plate 101 arranged between the support plate 4 3 and the right vertical plate 1, and the other is the oblique barrier plate 102 arranged between the support plate 4 3 and the left vertical plate 6, wherein the angle between the oblique barrier plate 102 and the parallel barrier plate 101 is 15-30 degrees, preferably 20 degrees, and the seismic stress in the horizontal direction can be dispersed through the inclination angle.

[0041] At the same time, the parallel barrier plates 101 between the support plate 4 3 and the right vertical plate 1 are spaced apart in the vertical direction to form hollow portions 11 spaced apart above and below. The hollow portions are convenient for the subsequent injection of thermal insulation materials and can reduce the weight of the structure without affecting the overall strength. The hollow portions can be used to install windows or reserved openings.

[0042] Steel reinforcement and multi-layer collaborative structure

[0043] Between the support plate 1 5, the support plate 2 4, the support plate 3 8 and the support plate 4 3, a plurality of steel reinforcement rib structures 7 are fixedly arranged. The steel reinforcement rib structures 7 are distributed in a cross-net pattern to further enhance the tensile performance of the frame body.

[0044] In the closed area surrounded by the left vertical plate 6, the right vertical plate 1, the support plates and the barrier plate structure 10, insulation materials, such as flame-retardant polystyrene boards, rock wool, etc., are injected to form an insulation layer; the steel reinforcement structure 7 is symmetrically arranged on both sides of the insulation layer, and concrete is filled in the gap between the insulation layer, the steel reinforcement structure 7 and the frame body, and finally a three-layer coordinated integral structure of steel grid frame tensile resistance - insulation layer insulation - concrete compression resistance is formed.

[0045] Example 1

[0046] A steel grid structure for building construction, the specific implementation steps are as follows:

[0047] Component prefabrication

[0048] Frame body components: HRB400 grade steel bars are used to make the right vertical plate 1, left vertical plate 6, support plate one 5, support plate two 4, support plate three 8, and support plate four 3, among which the right vertical plate 1 and the left vertical plate 6 are both 2.8m high and 15cm wide; the heights of support plates one to four are all 2.8m, and the widths are 12cm, 10cm, 8cm, and 6cm respectively; the top plate 2 and the bottom plate 9 are both welded with HRB400 grade steel bars, and the widths of the first top plate 21 to the fifth top plate 25 of the top plate 2 are 6cm, 8cm, 10cm, 15cm, and 12cm respectively, which correspond one to one to the widths of the support plates and vertical plates below. The overall length of the top plate 2 and the bottom plate 9 are both 4m and the width is 1.2m.

[0049] Blocking plate structure 10: The parallel blocking plates 101 and the oblique blocking plates 102 are both made of 5 mm thick steel plates, and the angle between the oblique blocking plates 102 and the parallel blocking plates 101 is set to 20 degrees;

[0050] Steel reinforcement structure 7: HRB335 grade steel bars are used to make cross bars with a diameter of 12 mm and a crossing angle of 45 degrees.

[0051] Frame assembly

[0052] First, fix the bottom plate 9 horizontally, and weld the right vertical plate 1 and the left vertical plate 6 at both ends of the bottom plate 9 respectively;

[0053] Along the length direction of the bottom plate 9, support plate 4 3, support plate 3 8, support plate 2 4, support plate 1 5 are welded in sequence. The spacing between adjacent support plates and vertical plates is 0.8m.

[0054] A set of baffle plates 10 are welded vertically every 50 cm in the middle of both sides of each vertical plate and support plate. A parallel baffle plate 101 is welded between the support plate 43 and the right vertical plate 1 to form a 30 cm high hollow portion 11, which can be used to install windows or reserved openings; an oblique baffle plate 102 is welded between the support plate 43 and the left vertical plate 6;

[0055] Weld the steel reinforcement structure 7 between each support plate to ensure that 4 sets of cross bars are set per square meter;

[0056] Finally, weld the top plate 2 to the top of each vertical plate and support plate to ensure that each section of the top plate is completely aligned with the width of the support below.

[0057] Insulation layer and concrete filling

[0058] Inject flame-retardant polystyrene board particles into the enclosed area enclosed by the frame body and the barrier plate structure 10, and compact them to form a thermal insulation layer with a thickness of 5-8 cm;

[0059] C30 commercial concrete is poured between the steel reinforcement structure 7 on both sides of the insulation layer and the frame body, and standard curing is carried out after vibration compaction to finally form a complete steel grid structure.

[0060] Example 2: Example 2: Rural self-built house scenario application

[0061] This embodiment is aimed at the construction needs of 1-2-story self-built houses in rural areas. Based on the first embodiment, the structural dimensions and material selection are optimized as follows:

[0062] Component prefabrication

[0063] Frame body components: The main structure is made of more cost-effective HRB335 grade steel bars. The height of the right vertical plate 1 and the left vertical plate 6 are both 3.2m to meet the height requirements of rural self-built houses, and the width is 12cm; the height of support plates one to four are all 3.2m, and the widths are 10cm, 9cm, 7cm, and 5cm respectively; the overall length of the top plate 2 and the bottom plate 9 are 5m and the width is 1.5m, and the width of the top plate segments corresponds one to one with the support below.

[0064] Baffle structure 10: Made of 4mm thick steel plates, the angle between the oblique baffles 102 and the parallel baffles 101 is set at 25 degrees to enhance resistance to common lateral wind pressure in rural areas;

[0065] Steel reinforcement structure 7: Use 10mm diameter steel bars with a crossing angle of 60 degrees to reduce the amount of steel bars used and reduce costs.

[0066] Frame assembly

[0067] The bottom plate 9 is made of C25 concrete precast slabs adapted to rural construction conditions. Reinforcement connection points are reserved on the bottom plate. The vertical plates and support plates are fixed by binding instead of welding, which adapts to the construction capacity of rural sites.

[0068] The parallel barrier plates 101 between the support plate 4 3 and the right vertical plate 1 are set at an interval of 80 cm, forming a hollow portion 11 with a height of 50 cm, which is used to install 1.5m×1.2m windows commonly used in rural areas;

[0069] The steel reinforcement structure 7 is provided with 3 groups per square meter to reduce the complexity of construction.

[0070] Insulation layer and concrete filling

[0071] The insulation layer uses rice husk-cement composite insulation material that is easily available in rural areas, using local materials to reduce transportation costs;

[0072] The concrete used is C25 concrete mixed on site, and the curing time is extended to 10-12 days.

[0073] Example 3: Application in urban street shops

[0074] This embodiment addresses the large span and high load requirements of single-story street-side shops in urban areas, enhancing structural strength and space utilization, as follows:

[0075] Component prefabrication

[0076] Frame body components: Using high-strength HRB500 grade high-strength steel bars, the right vertical plate 1 and the left vertical plate 6 are 3.5m high and 20cm wide; support plates one to four are 3.5m high and 15cm, 12cm, 10cm, and 8cm wide respectively; the top plate 2 and the bottom plate 9 adopt a combination structure of H-shaped steel and steel bars, with an overall length of 8m to meet the large span requirements of shops and a width of 2m. The width of the top plate segments corresponds one-to-one to the support below and additional transverse stiffening ribs are provided.

[0077] The baffle plate structure 10 is made of 8mm thick alloy steel plate. The angle between the oblique baffle plate 102 and the parallel baffle plate 101 is set to 15 degrees to enhance the horizontal shear resistance.

[0078] Steel reinforcement structure 7: Use steel bars with a diameter of 16 mm and a crossing angle of 30 degrees to form a dense rib grid.

[0079] Frame assembly

[0080] The bottom plate 9 is integrally cast with the reinforced concrete strip foundation, and the vertical plates and support plates are fixed by welding with embedded parts to ensure the node strength under large spans;

[0081] Three sets of parallel blocking plates 101 are set between the supporting plate 43 and the right vertical plate 1, forming two hollow parts 11 with a height of 1.2m, which are used to install the shop roller shutter door with a width of 3m and the display window with a width of 2m respectively. Angle steel reinforcement frames are added to the edges of the hollow parts;

[0082] Diagonal supports are set at both ends of the frame body with an angle of 45 degrees to the horizontal line to enhance the overall anti-overturning ability.

[0083] Insulation layer and concrete filling

[0084] The insulation layer uses rigid polyurethane foam to meet the energy-saving needs of air-conditioned shops;

[0085] C40 self-compacting concrete was poured and steel fibers were added to the concrete to improve its crack resistance.

[0086] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A steel grid structure for building construction, characterized in that: The invention comprises a frame body, wherein the frame body comprises a top plate (2) arranged at the upper end, a bottom plate (9) at the lower end, and a left vertical plate (6) and a right vertical plate (1) arranged between the top plate (2) and the bottom plate (9) for connection. The top plate (2) and the bottom plate (9) have the same structural dimensions. A support plate 1 (5), a support plate 2 (4), a support plate 3 (8) and a support plate 4 (3) are further arranged between the left vertical plate (6) and the right vertical plate (1). A barrier plate structure (10) is sequentially arranged in the middle of both sides of the left vertical plate (6), the right vertical plate (1), the support plate 1 (5), the support plate 2 (4), the support plate 3 (8) and the support plate 4 (3). A plurality of steel reinforcement rib structures (7) are respectively arranged between the support plate 1 (5), the support plate 2 (4), the support plate 3 (8) and the support plate 4 (3).

2. A steel grid structure for building construction according to claim 1, characterized in that: The top plate (2) comprises, from right to left, a first top plate (21), a second top plate (22), a third top plate (23), a fourth top plate (24), and a fifth top plate (25), the widths of which decrease in sequence.

3. A steel grid structure for building construction according to claim 2, characterized in that: The widths of the first top plate (21), the second top plate (22), the third top plate (23), the fourth top plate (24) and the fifth top plate (25) correspond one to one with the widths of the support plate four (3), the support plate three (8), the support plate two (4), the left vertical plate (6) and the support plate one (5).

4. A steel grid structure for building construction according to claim 1, characterized in that: The baffle plate structure (10) comprises a parallel baffle plate (101) arranged between the support plate four (3) and the right vertical plate (1), and an oblique baffle plate (102) arranged between the support plate four (3) and the left vertical plate (6).

5. A steel grid structure for building construction according to claim 4, characterized in that: The angle between the oblique blocking plate (102) and the parallel blocking plate (101) is 15-30 degrees.

6. The steel grid structure for building construction according to claim 1, characterized in that: A hollow portion (11) with upper and lower spacing is formed between the support plate four (3) and the right vertical plate (1) through a parallel blocking plate (101).

7. The steel grid structure for building construction according to claim 1, characterized in that: The left vertical plate (6), the right vertical plate (1), the support plate one (5), the support plate two (4), the support plate three (8), the support plate four (3) and the barrier plate structure (10) are injected with insulation material to form an insulation layer.

8. A steel grid structure for building construction according to claim 7, characterized in that: The steel reinforcement rib structure (7) is arranged on both sides of the thermal insulation layer, and concrete is filled between the thermal insulation layer, the steel reinforcement rib structure (7) and the frame body.

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