Reinforced concrete tapping transfer beam

Abstract

The utility model discloses a reinforced concrete holed transfer beam which comprises a transfer beam body, a rectangular hole is formed in the belly portion of the transfer beam body, transfer beam upper longitudinal steel bars on the outer side of the rectangular hole are connected with transfer beam lower longitudinal steel bars through transfer beam stirrups, and a profile steel reinforcing frame is arranged in the transfer beam body. The profile steel reinforcing frame comprises upper chord profile steel above the rectangular hole, lower chord profile steel below the rectangular hole, left side web member profile steel on the left side of the rectangular hole and right side web member profile steel on the right side of the rectangular hole. A space frame structure and two rows of section steel are combined and reinforced for a reinforced concrete transfer beam with columns in the upper holed area, the structural strength of the holed area is guaranteed, steel bar connecting sleeves are arranged, steel bars of the upper stand columns are matched and welded with the steel bar connecting sleeves, the whole area has high strength, the building strength is guaranteed, and the construction period is shortened. And the building safety is improved.

Description

Technical Field

[0001] The utility model belongs to the field of construction engineering, and particularly relates to a reinforced concrete transfer beam with openings. Background Art

[0002] With the development of society and economy in China, the functional requirements of industrial and civil buildings are becoming more and more multifunctional. There are often situations where the lower space and the vertical members of the upper structure cannot be directly and continuously connected to the ground. In order to effectively transfer the upper structure load downward, the reinforced concrete transfer beam is one of the commonly used transfer structural forms. At the same time, in order to meet the requirements of building comfort, economy and net height, arranging pipelines by opening holes in the web of the transfer beam has become an effective means.

[0003] However, the openings in the web of the transfer beam and the presence of vertical members such as columns in the upper part of the area make this part a weak position. Opening holes in the web of the transfer beam reduces the effective cross-section of the reinforced concrete beam, resulting in a reduction in the flexural and shear bearing capacities of the opened cross-section, stress concentration around the holes, weak seismic performance leading to premature failure of components, and potential safety hazards. Summary of the Utility Model

[0004] The utility model provides a reinforced concrete transfer beam with openings to solve the technical problems mentioned in the background art.

[0005] To achieve the above object, the utility model adopts the following technical scheme: A reinforced concrete transfer beam with openings, including a transfer beam body. A rectangular opening is arranged in the abdomen of the transfer beam body. In the transfer beam body, there are upper longitudinal reinforcement bars of the transfer beam above the rectangular opening and lower longitudinal reinforcement bars of the transfer beam below the rectangular opening. The upper longitudinal reinforcement bars and the lower longitudinal reinforcement bars of the transfer beam outside the rectangular opening are connected by transfer beam stirrups. A steel reinforced frame is arranged in the transfer beam body. The steel reinforced frame includes an upper chord steel section above the rectangular opening, a lower chord steel section below the rectangular opening, a left web member steel section on the left side of the rectangular opening, and a right web member steel section on the right side of the rectangular opening. The upper chord steel section, the lower chord steel section, the left web member steel section and the right web member steel section are welded and connected in sequence. The upper chord steel section, the lower chord steel section, the left web member steel section and the right web member steel section are arranged in two rows in the width direction of the beam. The two rows of upper chord steel sections are welded and connected by an upper connecting steel section one and an upper connecting steel section two. The two lower chord steel sections are welded and connected by a lower connecting steel section one and a lower connecting steel section two. There is a column on the top of the transfer beam body. Column longitudinal reinforcement bars are arranged in the column. A plurality of vertical steel bar connecting sleeves are welded respectively at the tops of the two upper chord steel sections. The column longitudinal reinforcement bars are inserted into the steel bar connecting sleeves and welded.

[0006] By adopting the above technical solution, for the reinforced concrete transfer beam with columns in the upper area of the opening, a space frame structure is adopted, and two rows of profiled steels are combined for reinforcement to ensure the structural strength of the opening area. Reinforcement connection sleeves are arranged, and the steel bars of the upper columns are matched with and welded to the reinforcement connection sleeves, so that the overall area has high strength, ensuring the building strength and improving the building safety.

[0007] Preferably, the two ends of the upper chord profiled steel and the lower chord profiled steel extend beyond the left web profiled steel and the right web profiled steel.

[0008] By adopting the above technical solution, the support strength of each row is high, and the support strength formed by the combination of the two rows is even higher.

[0009] Preferably, the left web profiled steel and the right web profiled steel are respectively perpendicular to the upper chord profiled steel.

[0010] By adopting the above technical solution, in one implementation, a rectangular structure can be used for support.

[0011] Preferably, the left web profiled steel and the right web profiled steel form an isosceles trapezoid with an inclination angle with the upper chord profiled steel.

[0012] By adopting the above technical solution, in another implementation, a trapezoidal structure can be used for support.

[0013] Preferably, the upper chord profiled steel, the lower chord profiled steel, the left web profiled steel and the right web profiled steel are all I-beams.

[0014] By adopting the above technical solution, the materials are convenient to obtain, they are common materials, with high structural strength, good connection performance, and can be mass-produced.

[0015] Preferably, stud bolts are welded at the non-connection parts of the upper chord profiled steel, the lower chord profiled steel, the left web profiled steel and the right web profiled steel.

[0016] By adopting the above technical solution, the overall structural strength is ensured, and the combination of the profiled steel and the reinforced concrete is strong, with high combination strength.

[0017] The beneficial effects of the present utility model are reflected in that for the reinforced concrete transfer beam with columns in the upper area of the opening, a space frame structure is adopted, and two rows of profiled steels are combined for reinforcement to ensure the structural strength of the opening area. Reinforcement connection sleeves are arranged, and the steel bars of the upper columns are matched with and welded to the reinforcement connection sleeves, so that the overall area has high strength, ensuring the building strength and improving the building safety.

[0018] Other features and advantages of the present utility model will be described in the subsequent description, and will be partially obvious from the description, or understood by implementing the present utility model; the main purpose and other advantages of the present utility model can be achieved and obtained through the solutions specifically pointed out in the description. Description of the Drawings

[0019] Figure 1 is a front view structural schematic diagram of an embodiment of the present utility model;

[0020] Figure 2 is a front view structural schematic diagram of the profiled steel reinforcement frame of an embodiment of the present utility model;

[0021] Figure 3 is a structural schematic diagram of the left web profiled steel being perpendicular to the upper chord profiled steel in an embodiment of the present utility model;

[0022] Figure 4 is a front view of the structure embodying the double-row profiled steel reinforcement frame in an embodiment of the present utility model;

[0023] Figure 5 is a side view of the structure embodying the double-row profiled steel reinforcement frame in an embodiment of the present utility model.

[0024] Reference Numerals: 1, transfer beam body; 2, rectangular opening; 3, longitudinal upper reinforcement of transfer beam; 4, longitudinal lower reinforcement of transfer beam; 5, stirrup of transfer beam; 6, profiled steel reinforcement frame; 61, upper chord profiled steel; 62, lower chord profiled steel; 63, left web profiled steel; 64, right web profiled steel; 65, upper connecting profiled steel one; 66, upper connecting profiled steel two; 67, lower connecting profiled steel one; 68, lower connecting profiled steel two; 7, column; 8, longitudinal reinforcement of column; 9, steel bar connecting sleeve. Detailed Embodiment

[0025] The technical solutions of the present utility model will be described in detail through the following embodiments. The following embodiments are merely exemplary and can only be used to explain and illustrate the technical solutions of the present utility model, rather than being construed as a limitation to the technical solutions of the present utility model.

[0026] Combined with Figures 1-5, a reinforced concrete transfer beam with openings, comprising a transfer beam body 1. A rectangular opening 2 is arranged in the abdomen of the transfer beam body 1. In the transfer beam body 1, there are upper longitudinal reinforcement bars 3 of the transfer beam above the rectangular opening 2 and lower longitudinal reinforcement bars 4 of the transfer beam below the rectangular opening 2. The upper longitudinal reinforcement bars 3 of the transfer beam outside the rectangular opening 2 and the lower longitudinal reinforcement bars 4 are connected by transfer beam stirrups 5. A steel section strengthening frame 6 is arranged in the transfer beam body 1. The steel section strengthening frame 6 includes an upper chord steel section 61 above the rectangular opening 2, a lower chord steel section 62 below the rectangular opening 2, a left web member steel section 63 on the left side of the rectangular opening 2, and a right web member steel section 64 on the right side of the rectangular opening 2. The upper chord steel section 61, the lower chord steel section 62, the left web member steel section 63, and the right web member steel section 64 are welded and connected in sequence. The upper chord steel section 61, the lower chord steel section 62, the left web member steel section 63, and the right web member steel section 64 are arranged in two rows in the width direction of the beam. The two rows of upper chord steel sections 61 are welded and connected by an upper connecting steel section 65 and an upper connecting steel section 66. The two lower chord steel sections 62 are welded and connected by a lower connecting steel section 67 and a lower connecting steel section 68. There is a column 7 at the top of the transfer beam body 1. Column longitudinal reinforcement bars 8 are arranged in the column 7. A number of vertical steel bar connecting sleeves 9 are respectively welded to the tops of the two upper chord steel sections 61. The column longitudinal reinforcement bars 8 are inserted into the steel bar connecting sleeves 9 and welded.

[0027] For the reinforced concrete transfer beam with a column in the upper area of the opening, a space frame structure is adopted, and two rows of steel sections are combined for reinforcement to ensure the structural strength of the opening area. And steel bar connecting sleeves 9 are arranged. The steel bars of the upper column 7 cooperate with the steel bar connecting sleeves 9 and are welded, so that the overall area has high strength, ensuring the building strength and improving the building safety.

[0028] The two ends of the upper chord steel section 61 and the lower chord steel section 62 extend beyond the left web member steel section 63 and the right web member steel section 64. The support strength of each row is high, and the support strength formed by the combination of the two rows is higher.

[0029] In one implementation, the left web member steel section 63 and the right web member steel section 64 are respectively vertically arranged with the upper chord steel section 61, and a rectangular structure can be used for support.

[0030] In another implementation, the left web member steel section 63 and the right web member steel section 64 have an inclination angle with the upper chord steel section 61 to form an isosceles trapezoid, and a trapezoidal structure can be used for support.

[0031] The upper chord steel section 61, the lower chord steel section 62, the left web member steel section 63, and the right web member steel section 64 are all I-beams, which are convenient for material taking, common materials, have high structural strength, good connection performance, and can be mass-produced.

[0032] Studs are welded at the non-connected parts of the upper chord steel section 61, the lower chord steel section 62, the left web member steel section 63 and the right web member steel section 64 to ensure the overall structural strength. The combination between the steel section and the reinforced concrete is strong and the combination strength is high.

[0033] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model.

Claims

1. A reinforced concrete transfer beam with openings, characterized in that: It includes a transfer beam body (1). A rectangular opening (2) is provided in the abdomen of the transfer beam body (1). In the transfer beam body (1), there are upper longitudinal reinforcement bars (3) of the transfer beam above the rectangular opening (2) and lower longitudinal reinforcement bars (4) of the transfer beam below the rectangular opening (2). The upper longitudinal reinforcement bars (3) of the transfer beam outside the rectangular opening (2) and the lower longitudinal reinforcement bars (4) are connected by transfer beam stirrups (5). A steel section reinforcement frame (6) is provided in the transfer beam body (1). The steel section reinforcement frame (6) includes an upper chord steel section (61) above the rectangular opening (2), a lower chord steel section (62) below the rectangular opening (2), a left web member steel section (63) on the left side of the rectangular opening (2), and a right web member steel section (64) on the right side of the rectangular opening (2). The upper chord steel section (61), the lower chord steel section (62), the left web member steel section (63), and the right web member steel section (64) are welded and connected in sequence. The upper chord steel section (61), the lower chord steel section (62), the left web member steel section (63), and the right web member steel section (64) are arranged in two rows in the width direction of the beam. The two rows of upper chord steel sections (61) are welded and connected by an upper connecting steel section one (65) and an upper connecting steel section two (66). The two lower chord steel sections (62) are welded and connected by a lower connecting steel section one (67) and a lower connecting steel section two (68). There is a column (7) at the top of the transfer beam body (1). Column longitudinal reinforcement bars (8) are provided in the column (7). A number of vertical steel bar connecting sleeves (9) are welded respectively at the tops of the two upper chord steel sections (61). The column longitudinal reinforcement bars (8) are inserted into the steel bar connecting sleeves (9) and welded and connected.

2. A reinforced concrete opening transfer beam according to claim 1, characterized in that: Both ends of the upper chord steel section (61) and the lower chord steel section (62) extend beyond the left web member steel section (63) and the right web member steel section (64).

3. A reinforced concrete opening conversion beam according to claim 2, characterized in that: The left web member steel section (63) and the right web member steel section (64) are respectively arranged perpendicular to the upper chord steel section (61).

4. A reinforced concrete opening transfer beam according to claim 2, characterized in that: The left web member steel section (63) and the right web member steel section (64) form an isosceles trapezoid with an inclination angle with the upper chord steel section (61).

5. A reinforced concrete open-hole transfer beam according to claim 2, characterized in that: The upper chord steel section (61), the lower chord steel section (62), the left web member steel section (63), and the right web member steel section (64) are all I-beams.

6. A reinforced concrete open-hole transfer beam according to claim 2, characterized in that: Studs are welded at the non-connection parts of the upper chord steel section (61), the lower chord steel section (62), the left web member steel section (63), and the right web member steel section (64).

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