Steel column foot joint of steel beam pouring concrete roof newly added steel structure support
By adding embedded plates and welding reinforcing bars between the steel column tubes and the concrete roof slab, the problem of damage to the waterproof and insulation layers during the steel beam pouring process was solved, achieving a stable connection between the steel column base and the steel beam and the overall stability of the structure.
Patent Information
- Application Number
- CN202520121438.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-20
AI Technical Summary
When pouring concrete roof panels onto steel beams, the steel column bases cannot be directly connected to the steel beams, resulting in damage to the waterproof and insulation layers of the concrete roof panels and posing a risk of leakage.
By adding an embedded plate between the bottom of the steel column tube and the concrete roof slab, and setting matching holes on the embedded plate for welding with the reinforcing bars, the steel beam is fixed by using a connecting plate, thus avoiding damage to the concrete roof slab.
It effectively avoids damage to the waterproof and insulation layers of the concrete roof slab, ensures a stable connection between the steel column tubes and steel beams, transmits axial pressure, horizontal shear force and bending moment, and improves the stability and seismic performance of the structure.
Smart Images
Figure CN223608091U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to steel column foot joint technical field, concretely relates to a steel column foot joint of steel beam pouring concrete roof new steel structure support. BACKGROUND
[0002] The steel column foot is an important node in the structure, and can transmit the axial force, bending moment and shear force of the lower end of the steel column to the built building. When pouring the concrete roof panel on the steel beam, the steel column foot and the steel beam cannot be directly connected because there is a layer of concrete roof panel between them. In the traditional construction process, the concrete roof panel is chiseled to expose the lower steel beam, and then the steel column and the steel beam are welded together.
[0003] This method will inevitably damage the steel bars and concrete of the concrete roof panel, causing significant damage to the original structure. In addition, the waterproof layer and thermal insulation layer of the concrete roof panel are also damaged to a large extent, resulting in roof leakage at the slot. Therefore, a steel column foot joint for pouring concrete roof new steel structure support of steel beam is proposed. SUMMARY
[0004] To solve the above problems, a steel column foot joint for pouring concrete roof new steel structure support of steel beam is provided, which increases a pre-buried plate between the bottom of the steel column pipe and the concrete roof panel, and sets an adaptive hole on the pre-buried plate that can adapt to the second and first embedded bars. The top end of the second and first embedded bars is welded to the adaptive hole. Then the bottom end of the first embedded bar is fixed to the steel beam through the connecting plate. This solves the problem of damaging the waterproof layer and thermal insulation layer of the concrete roof panel during the process of adding a steel column pipe to the concrete roof panel.
[0005] To solve the above problems, a steel column foot joint for pouring concrete roof new steel structure support of steel beam is provided, which increases a pre-buried plate between the bottom of the steel column pipe and the concrete roof panel, and sets an adaptive hole on the pre-buried plate that can adapt to the second and first embedded bars. The top end of the second and first embedded bars is welded to the adaptive hole. Then the bottom end of the first embedded bar is fixed to the steel beam through the connecting plate. This solves the problem of damaging the waterproof layer and thermal insulation layer of the concrete roof panel during the process of adding a steel column pipe to the concrete roof panel.
[0006] As a kind of technical scheme of the application, the edge of the embedded groove is reserved with several limiting grooves for limiting;The edge of the embedded plate is provided with several limiting blocks corresponding to the number of limiting grooves.
[0007] As a kind of technical scheme of the application, the center of the embedded groove is longitudinally provided with a slot;The center of the bottom of the embedded plate is fixed with a vertical column foot plate, which can be adapted to the slot.
[0008] As a kind of technical scheme of the application, the center of the upper end surface of the embedded plate is fixed with a positioning pipe for positioning the steel column pipe;The bottom end of the steel column pipe is installed outside the positioning pipe.
[0009] As a kind of technical scheme of the application, the inner wall of the positioning pipe is equidistantly provided with several annular reinforcing ribs along the central axis direction for increasing the bearing strength.
[0010] As a kind of technical scheme of the application, the bottom end of the steel column pipe is welded to the upper end surface of the embedded plate, and the outer surface of the bottom end of the steel column pipe is equidistantly provided with several stiffening ribs around the central axis, and the bottom of the stiffening rib is welded to the upper end surface of the embedded plate.
[0011] As a kind of technical scheme of the application, the inside of the concrete roof slab near the embedded groove is longitudinally provided with a connecting rib extending upward for a certain length;The top of the concrete roof slab is poured with a concrete pouring layer which can completely cover the embedded plate and the bottom of the steel column pipe, and the outside of the concrete pouring layer is covered with an asphalt waterproof layer.
[0012] As a kind of technical scheme of the application, the first reinforcing bar is provided with a bending part to prevent it from falling off the connecting plate, and the top of the bending part is fixedly connected with the lower end surface of the connecting plate.
[0013] The beneficial effects of the present application compared with the prior art are:
[0014] The application increases the embedded plate between the bottom of the steel column pipe and the concrete roof slab, and sets the adaptive hole on the embedded plate which can adapt to the second reinforcing bar and the first reinforcing bar, and welds the top end of the second reinforcing bar and the first reinforcing bar with the adaptive hole. Then the bottom end of the first reinforcing bar is fixed with the connecting plate and the steel beam. It solves the problem of avoiding damage to the waterproof layer and thermal insulation layer of the concrete roof slab during the process of adding steel column pipe to the concrete roof slab. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a kind of steel column foot node of steel beam pouring concrete roof new steel structure support stereogram.
[0016] Figure 2It is a sectional view of a steel beam pouring concrete roof added steel structure support.
[0017] Figure 3 It is a perspective view of a steel beam in a steel column foot node of a steel beam pouring concrete roof added steel structure support.
[0018] Figure 4 It is a perspective view of a concrete roof panel in a steel column foot node of a steel beam pouring concrete roof added steel structure support.
[0019] Figure 5 It is a perspective view of a pre-embedded plate in a steel column foot node of a steel beam pouring concrete roof added steel structure support.
[0020] Figure 6 It is an explosion view of a steel column in a steel column foot node of a steel beam pouring concrete roof added steel structure support.
[0021] Figure 7 It is Figure 2 The enlarged structural schematic view of A in the figure.
[0022] The figure label is: 1, steel beam; 11, connecting plate via hole; 12, via hole connecting plate; 2, concrete roof panel; 21, pre-embedded groove; 22, insertion groove; 23, first embedded steel bar; 231, bending part; 24, second embedded steel bar; 25, limiting groove; 26, connecting steel bar; 31, concrete pouring layer; 32, asphalt waterproof layer; 4, pre-embedded plate; 41, adaptive hole; 42, column foot bottom plate; 43, limiting block; 44, positioning pipe; 45, annular reinforcing rib; 5, steel column pipe; 51, stiffening rib. DETAILED DESCRIPTION
[0023] In order to further understand the characteristics, technical means and specific purposes and functions achieved by the utility model, the utility model will be described in further detail below in combination with the drawings and specific embodiments
[0024] Referring to Figures 1-7As shown, a steel column foot joint of a steel beam pouring concrete roof added steel structure support, including concrete roof panel 2, the top of the concrete roof panel 2 is reserved when pouring a pre-buried groove 21, the inside of the concrete roof panel 2 is provided with a first embedded bar 23 longitudinally, the top end and the bottom end of the first embedded bar 23 extend out of the top and bottom of the concrete roof panel 2 respectively; the inside of the concrete roof panel 2 is also vertically poured with a second embedded bar 24, the top end of the second embedded bar 24 can extend out of the top of the concrete roof panel 2; the bottom of the concrete roof panel 2 is provided with a steel beam 1, the top of the steel beam 1 is provided with a plurality of through holes 11 corresponding to the number of the first embedded bar 23 and suitable; the bottom end of the first embedded bar 23 is fixedly provided with a connecting plate 12, the upper end surface of the connecting plate 12 is fixed to the lower end surface of the top of the steel beam 1; the inside of the pre-buried groove 21 is provided with a pre-buried plate 4, the center of the upper end surface of the pre-buried plate 4 is vertically provided with a steel column pipe 5; the side of the pre-buried plate 4 close to the steel column pipe 5 is longitudinally provided with an adaptive hole 41 capable of penetrating the upper end surface and the lower end surface, and the top end of the first embedded bar 23 and the second embedded bar 24 is fixedly arranged in the adaptive hole 41.
[0025] First, the first embedded bar 23 and the second embedded bar 24 are directly vertically poured in the inside of the concrete roof panel 2, to ensure that the top end of the first embedded bar 23 and the second embedded bar 24 extends upward and beyond the upper end surface of the concrete roof panel 2. Among them, the bottom end of the first embedded bar 23 extends downward to the lower end surface of the concrete roof panel 2 and is fixed in the through hole 11. Then, the first embedded bar 23 is welded in the through hole 11. In order to enhance the connection stability of the first embedded bar 23 and the steel beam 1, the connecting plate 12 is fixedly connected to the bottom end of the first embedded bar 23, and the connecting plate 12 is firmly installed on the lower end surface of the top of the steel beam 1. Prevent the first embedded bar 23 from separating from the steel beam 1 when bearing bending moment and shear force. Not only effectively avoid damage to the waterproof layer and the thermal insulation layer of the concrete roof panel 2, but also effectively transmit the axial pressure, horizontal shear force and bending moment at the bottom of the steel column pipe 5 to the existing steel beam 1.
[0026] As shown in Figure 2 , Figure 4 and Figure 5 , a plurality of limiting grooves 25 for limiting are reserved at the edge of the pre-buried groove 21; a plurality of limiting blocks 43 corresponding to the number of the limiting grooves 25 are arranged at the edge of the pre-buried plate 4.
[0027] During the installation of the pre-buried plate 4, the limiting blocks 43 arranged at the edge of the pre-buried plate 4 are seated in the limiting grooves 25. It ensures that the limiting blocks 43 and the limiting grooves 25 effectively position the pre-buried plate 4 accurately, thereby preventing the pre-buried plate 4 from deviating during installation. Significantly improve the installation stability of the pre-buried plate 4.
[0028] As shown in Figure 2 , Figure 4 , Figure 5and 6 As shown in
[0029] When the embedded plate 4 is installed inside the embedded groove 21, the column base plate 42 provided at the bottom end of the embedded plate 4 can be accurately inserted into the slot 22. The column base plate 42 and the slot 22 cooperate with each other to accurately position the embedded plate 4.
[0030] Referring to Figure 2 , Figure 6 and 7 As shown in
[0031] To improve the installation efficiency of the steel column pipe 5, first, the positioning pipe 44 is vertically arranged at the center of the upper end surface of the embedded plate 4. Then, the bottom end of the steel column pipe 5 is inserted outside the positioning pipe 44. The positioning pipe 44 can accurately position the steel column pipe 5, ensuring that the steel column pipe 5 is accurately positioned at the center of the embedded plate 4.
[0032] Referring to Figure 2 , Figure 6 and 7 As shown in
[0033] To improve the strength and stiffness of the positioning pipe 44, thereby enhancing the load-carrying capacity of the positioning pipe 44, a plurality of horizontal annular reinforcing ribs 45 are arranged equidistantly on the inner wall of the positioning pipe 44. These annular reinforcing ribs 45 can increase the structural strength of the positioning pipe 44, effectively resisting bending and twisting deformation during loading. Specifically, the annular reinforcing ribs 45 provide additional support for the positioning pipe 44, enabling the positioning pipe 44 to maintain higher stability and reliability when subjected to external loads. The overall performance of the positioning pipe 44 is improved, ensuring safe use of the positioning pipe 44 in complex stress environments.
[0034] Referring to Figure 6 As shown in
[0035] To enhance the connection strength between the steel column pipe 5 and the embedded plate 4, first, the bottom end of the steel column pipe 5 is welded to the center position of the upper end face of the embedded plate 4. Then, a plurality of stiffening ribs 51 are arranged equidistantly outside the bottom end of the steel column pipe 5. The bottom ends of these stiffening ribs 51 are also welded to the upper end face of the embedded plate 4, thereby forming a stable connection structure. The stiffening ribs 51 not only increase the contact area between the steel column pipe 5 and the embedded plate 4, but also further strengthen the connection between the two through welding, effectively improving the overall connection strength and stability.
[0036] Referring to Figure 2 and 7 , a connecting rib 26 extending upward for a certain length is arranged longitudinally inside the concrete roof panel 2 near the embedded groove 21; a concrete pouring layer 31 capable of completely covering the embedded plate 4 and the bottom of the steel column pipe 5 is poured on the top of the concrete roof panel 2, and an asphalt waterproof layer 32 is covered outside the concrete pouring layer 31.
[0037] To enhance the connection stability between the concrete pouring layer 31 and the concrete roof panel 2, the bottom end of the connecting rib 26 is poured inside the concrete roof panel 2 while ensuring that the top end of the connecting rib 26 extends upward for an appropriate length. When the concrete pouring layer 31 is poured subsequently, the extended end of the connecting rib 26 will be covered inside the concrete pouring layer 31, thereby achieving effective connection between the concrete roof panel 2 and the concrete pouring layer 31 and forming a whole structure. Not only does this significantly improve the stability between the two, but it also enhances the structure's performance in resisting earthquakes, wind, and other properties. In the event of natural disasters such as earthquakes or strong winds, the connecting rib 26 can effectively transfer and disperse stress, preventing cracks from appearing at the connection between the concrete roof panel 2 and the concrete pouring layer 31, and ensuring the overall safety of the structure. In addition, to protect the concrete pouring layer 31 and extend its service life, a layer of asphalt waterproof layer 32 is covered outside the concrete pouring layer 31. The asphalt waterproof layer 32 can effectively prevent rainwater from penetrating into the concrete pouring layer 31, preventing damage such as mold and corrosion caused by a humid environment, thereby ensuring the long-term stability and durability of the concrete pouring layer 31.
[0038] Referring to Figure 3 and 7 , the first reinforcing bar 23 is provided with a bent portion 231 to prevent it from falling off the connecting plate 12, and the top of the bent portion 231 is fixedly connected to the lower end face of the connecting plate 12.
[0039] In order to prevent the bottom end of the first dowel 23 from falling off from the inside of the connecting plate 12, a bent portion 231 is arranged at the bottom end of the first dowel 23. The top of the bent portion 231 is directly welded with the lower end surface of the connecting plate 12. Thus, the connecting strength between the first dowel 23 and the connecting plate 12 is enhanced, and the stability and reliability of the structure are effectively improved. Specifically, the bent portion 231 not only increases the contact area of the first dowel 23 in the connecting plate 12, but also further strengthens the connection between the two by welding, thereby effectively avoiding the risk of the first dowel 23 falling off from the connecting plate 12.
[0040] The working principle of the utility model is: first, the first dowel 23 and the second dowel 24 are vertically poured into the concrete roof plate 2, and the bottom end of the first dowel 23 is fixed to the steel beam 1 by the welded connecting plate 12, realizing the stable connection of the steel structure and the concrete structure, effectively transmitting the axial pressure, horizontal shear force and bending moment. At the same time, the setting of the bent portion 231 enhances the connecting strength of the first dowel 23 and the connecting plate 12, preventing falling off. The precise cooperation of the limiting block 43 with the limiting groove 25 and the column foot plate 42 with the insertion groove 22 realizes the positioning of the embedded plate 4 during the installation process, significantly improving the stability of the embedded plate 4. The setting of the positioning pipe 44 and the horizontal annular reinforcing rib 45 on its inner wall not only realizes the precise positioning of the steel column pipe 5, but also enhances the strength and rigidity of the positioning pipe 44, improving the carrying capacity. The steel column pipe 5 forms a stable connection structure with the embedded plate 4 through the welded stiffening rib 51, enhancing the connecting strength and stability of the steel column pipe 5. In addition, the pouring of the connecting rib 26 realizes the effective connection of the concrete roof plate 2 and the concrete pouring layer 31, forming a whole structure, significantly improving the stability and anti-seismic and wind-resistant performance of the structure. Finally, the covering of the asphalt waterproof layer 32 effectively prevents rainwater penetration, protects the concrete pouring layer 31 and prolongs its service life, ensuring the long-term stability and durability of the concrete pouring layer 31.
[0041] The above embodiments only express one or several embodiments of the utility model, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the utility model. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, some modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the appended claims.
Claims
1. A steel column foot joint for pouring concrete roof of a steel beam of a newly added steel structure support, characterized in that, The utility model provides a concrete roof panel (2), the top of concrete roof panel (2) pours and reserves pre -buried groove (21), the inside of concrete roof panel (2) is provided with first planting bar (23) vertically, and the top and bottom of first planting bar (23) extend out the top and bottom of concrete roof panel (2) respectively, the inside of concrete roof panel (2) is also vertically poured with second planting bar (24), and the top of second planting bar (24) can extend out the top of concrete roof panel (2), the bottom of concrete roof panel (2) is provided with steel beam (1), and the top of steel beam (1) is provided with a plurality of through -holes (11) corresponding with the number of first planting bar (23) and suitable, the bottom of first planting bar (23) is fixed with connecting plate (12), and the upper end surface of connecting plate (12) is fixed on the lower end surface of the top of steel beam (1), the inside of pre -buried groove (21) is provided with pre -buried plate (4), and the upper end surface of pre -buried plate (4) is vertically provided with steel column pipe (5) in the center, the side of pre -buried plate (4) near steel column pipe (5) is provided with the adaptation hole (41) of being able to penetrate its upper end surface and lower end surface longitudinally, and the top of first planting bar (23) and second planting bar (24) is fixed in the adaptation hole (41) inside respectively.
2. The steel column foot node of a steel beam pouring concrete roof new steel structure support according to claim 1, characterized in that, The edge of pre -buried groove (21) reserves a plurality of limiting grooves (25) for limiting, and the edge of pre -buried plate (4) is provided with a plurality of limiting blocks (43) corresponding to the number of limiting grooves (25).
3. The steel column foot node of a steel beam pouring concrete roof new steel structure support according to claim 1, characterized in that, The center of pre -buried groove (21) is provided with a slot (22) longitudinally, and the center of the bottom of pre -buried plate (4) is fixed with a vertical column foot plate (42), which can be adapted with the slot (22).
4. The steel column foot node of a steel beam pouring concrete roof new steel structure support according to claim 1, characterized in that, The center of the upper end surface of pre -buried plate (4) is fixed with a positioning tube (44) for positioning steel column pipe (5), and the bottom of steel column pipe (5) is installed outside the positioning tube (44).
5. The steel column base joint of claim 4, wherein, A plurality of annular reinforcing ribs (45) for increasing the bearing strength are equidistantly arranged on the inner wall of the positioning tube (44) along the central axis direction.
6. The steel column base joint of claim 1, wherein, The bottom of the steel column pipe (5) is welded to the upper end surface of the pre -buried plate (4), and a plurality of stiffening ribs (51) are equidistantly arranged around the central axis of the outer surface of the bottom of the steel column pipe (5), and the bottom of the stiffening rib (51) is welded to the upper end surface of the pre -buried plate (4).
7. The steel column base joint of claim 1, wherein, The inside of the concrete roof panel (2) is longitudinally provided with a connecting rib (26) extending upward by a certain length near the pre -buried groove (21), and a concrete pouring layer (31) is poured on the top of the concrete roof panel (2), which can completely cover the pre -buried plate (4) and the bottom of the steel column pipe (5), and an asphalt waterproof layer (32) is covered on the outside of the concrete pouring layer (31).
8. The steel column base joint of claim 1, wherein, The first planting bar (23) is provided with a bent portion (231) to prevent it from falling off the connecting plate (12), and the top of the bent portion (231) is fixedly connected with the lower end surface of the connecting plate (12).