Combined frame with anchoring ribs at bottom and pouring type floor support plate with combined frame
By setting anchor bars at the bottom of the truss web reinforcement and adopting a new chord combination structure, the problems of easy deformation and poor anchorage at the bottom of the web reinforcement were solved, achieving higher structural stiffness and load-bearing capacity, while saving steel.
Patent Information
- Application Number
- CN202422667642.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-01
AI Technical Summary
Existing truss structures are prone to deformation and poor anchorage at the lateral bends at the bottom of the web reinforcement, resulting in insufficient overall structural load-bearing capacity, especially under large span or heavy load conditions, where they are both economical and lack strength.
Anchor bars are installed at the bottom of the web reinforcement, and a new chord-bar combination frame structure is adopted, including the top chord, web reinforcement and anchor bars. The anchor bars are connected to the top chord parallel or perpendicular to enhance the connection stability and rigidity. Steel pipes, structural steel or other metal rods are used to save materials.
It improves the rigidity and connection stability of the modular frame, reduces material usage, enhances the structural strength and overall load-bearing capacity, and is more economical.
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Figure CN223675678U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to floor support plate technical field, concretely is a kind of combination frame with anchoring rib in bottom and pouring floor support plate with the combination frame. BACKGROUND
[0002] The existing truss is composed of upper chord and two sides of web rib, wherein the upper chord is steel bar, the lower part of web rib has transverse bending, and is used for floor support plate, wherein the transverse bending of the bottom of web rib makes the manufacture of truss more troublesome, low efficiency, material increase, and the transverse bending part connected with the bottom plate has elasticity, and is easy to deform. The truss is longitudinally stressed, and the lower part is horizontally embedded in the bottom plate, and the anchoring is poor, the force transmission is not direct, and the whole structure is easy to crack, and the carrying capacity of the whole structure is poor. When the span of floor support plate is large or the bearing load is large, the steel bar as upper chord needs to be thickened, which increases the steel consumption of the structure to a certain extent, and not only the economy is poor, but also the strength, stiffness and overall carrying capacity are small. SUMMARY
[0003] The utility model aims at providing a kind of combination frame with anchoring rib in bottom and pouring floor support plate with the combination frame, different from the structure of traditional truss, set anchoring rib in the bottom of web rib to increase the stiffness of structure and the connecting performance of bottom plate, adopt new chord combination frame structure, solve the problems in the prior art.
[0004] The utility model discloses a technical scheme that solves its technical problem is adopted: the bottom combination frame of anchoring muscle, including upper chord, the upper chord is steel pipe, section steel or other metal rod structure, and the both sides of upper chord length direction are connected with web, and each web is made of a continuous bending steel bar, and the bottom of web is equipped with anchoring muscle. Anchoring muscle is fixed at the outside or inside of the continuous bending of the bottom of web, and the length direction of anchoring muscle is parallel with upper chord. Anchoring muscle is fixed at the top or bottom of the continuous bending of the bottom of the corresponding web of both sides, and the length direction of anchoring muscle is perpendicular to upper chord. The lower part of the outside of web is connected with side muscle, and the diameter of side muscle is not less than the diameter of anchoring muscle. The upper chord is round steel pipe, long round cross section steel pipe or polygonal cross section steel pipe, and the steel pipe is filled with hard filler. The upper chord is H-shaped steel, channel steel or angle steel. The recess of section steel can be filled with hard filler. The hard filler in the recess of section steel is concrete or mortar, or the steel bar is placed in concrete and mortar. The upper chord is the metal rod structure of the combination structure of steel bar and steel bar, the combination structure of steel bar and steel pipe, the combination structure of steel bar and section steel, the combination structure of steel pipe and steel pipe. The casting type floor support plate made of the bottom combination frame of anchoring muscle includes a bottom plate, and at least one bottom combination frame of anchoring muscle is connected to the bottom plate, and the anchoring muscle in each bottom combination frame of anchoring muscle is located inside the bottom plate. The distance between side muscle and the upper surface of bottom plate is not less than 15mm and not more than 20mm. Steel bar or fiber is arranged in the bottom plate. Steel mesh or non-metal mesh is arranged in the bottom plate, and the steel mesh or non-metal mesh is connected with anchoring muscle. At least one connecting rod is fixed and connected between the upper chords of the bottom combination frames of anchoring muscle at adjacent positions on the bottom plate, and the connecting rod is horizontally arranged relative to the bottom plate.
[0005] The positive effect of the utility model is that the bottom combination frame of anchoring muscle and the casting type floor support plate with the combination frame have the following advantages: the web of the combination frame is provided with anchoring muscle, so the combination frame is simple to make, uses less material, is more stable in connection with the bottom plate, and has stronger overall structure rigidity. The upper chord adopts steel pipe, section steel or other metal rod structure, which can not only improve the strength of the structure, but also save the amount of steel, has better economy, and has stronger strength, rigidity and overall bearing capacity. ACCURACY OF DRAWINGS
[0006] Figure 1 It is the three-dimensional structure schematic view of the bottom combination frame of anchoring muscle.
[0007] Figure 2 It is Figure 1 It is the front view of the main structure.
[0008] Figure 3 It is Figure 2 It is the left view of
[0009] Figure 4 It isFigure 2 is a plan view of the structure of the present application;
[0010] Figure 5 is a structural schematic diagram of the anchoring rib perpendicular to the length direction of the upper chord;
[0011] Figure 6 is a structural schematic diagram of the side rib provided outside the web rib;
[0012] Figure 7 is a structural schematic diagram of the upper chord being a section steel;
[0013] Figure 8 is a three-dimensional structural schematic diagram of the cast-in-place floor slab made of the combined frame with anchoring ribs at the bottom;
[0014] Figure 9 is a structural schematic diagram of the anchoring rib parallel to the length direction of the upper chord in the cast-in-place floor slab;
[0015] Figure 10 is a structural schematic diagram of the anchoring rib perpendicular to the length direction of the upper chord in the cast-in-place floor slab;
[0016] Figure 11 is a structural schematic diagram of the anchoring rib fixed at the inside of the continuous bending of the bottom of the web rib in the structure of the present application; Figure 3
[0017] Figure 12 is a schematic diagram of the combined structure of the upper chord being a steel bar and a steel bar;
[0018] Figure 13 is a schematic diagram of the combined structure of the upper chord being a steel bar and a steel pipe;
[0019] Figure 14 is a schematic diagram of the combined structure of the upper chord being a steel bar and a section steel;
[0020] Figure 15 is a schematic diagram of the combined structure of the upper chord being a steel pipe and a steel pipe;
[0021] Figure 16 is a structural schematic diagram of the channel steel as the upper chord installed at the top of the web rib;
[0022] Figure 17 is a structural schematic diagram of the angle steel as the upper chord installed between the web ribs;
[0023] Figure 18 is a structural schematic diagram of the angle steel as the upper chord installed at the top of the web rib;
[0024] Figure 19 is a structural schematic diagram of the upper chord being a ladder section steel pipe and located between the two web ribs;
[0025] Figure 20 This is a schematic diagram of a structure in which the upper chord is a trapezoidal cross-section steel pipe located at the top of the two side web reinforcements;
[0026] Figure 21 This is a schematic diagram of a structure in which the upper chord is made of a rectangular cross-section steel pipe and is located between the two side web reinforcements;
[0027] Figure 22 This is a schematic diagram of a structure in which the upper chord is made of a rectangular cross-section steel pipe and located at the top of the two side web reinforcements;
[0028] Figure 23 This is a schematic diagram of a structure in which the upper chord is made of a long oval cross-section steel pipe and is located at the top of the two side web reinforcements;
[0029] Figure 24 yes Figure 23 Side view of the middle structure;
[0030] Figure 25 This is a schematic diagram of a structure in which anchor bars are welded and fixed below the continuous bends of the web reinforcement.
[0031] Figure 26 This is a schematic diagram of a structure in which connecting rods are installed between the upper chords of adjacent combined frames with bottom anchoring bars;
[0032] Figure 27 yes Figure 26 Top view. Detailed Implementation
[0033] The present invention describes a combined frame with anchoring ribs at the bottom, such as... Figures 1-4 As shown, it includes an upper chord 1, with web reinforcement 2 connected to both sides along its length. Each web reinforcement 2 is made of a continuously bent steel bar, and an anchoring bar 3 is provided at the bottom of the web reinforcement 2. The anchoring bar 3 is simple to manufacture, uses less material, has a more stable connection with the bottom plate, and has stronger overall structural rigidity. The upper chord 1 can be located between the two web reinforcement 2 or at the top of the two web reinforcement 2.
[0034] The connection method of anchor bar 3 on web bar 2 can be as follows: Figure 1 As shown, the anchoring bar 3 is fixed to the outer side of the continuous bend at the bottom of the web rib 2, and the length direction of the anchoring bar 3 is parallel to that of the upper chord 1. Alternatively, it can be as follows: Figure 11 As shown, the anchor bar 3 is fixed at the inner side of the continuous bend at the bottom of the web bar 2, and can also be used as follows: Figure 5 As shown, the anchoring bar 3 is fixed above the corresponding bottom continuous bends of the two side web reinforcements 2, and is perpendicular to the length direction of the upper chord 1. Alternatively, it can be as follows: Figure 25 As shown, the anchoring bar 3 is welded and fixed below the corresponding bottom continuous bends of the two side web reinforcements 2, and the anchoring bar 3 is perpendicular to the length direction of the upper chord 1. In addition to the above connection method, the anchoring bar 3 can also be obliquely set at the bottom position of the continuous bends of the two side web reinforcements 2, or other connection methods that can be fixed to the bottom of the web reinforcement 2.
[0035] As shown in Figure 6 , the side muscle 4 is connected to the lower part outside the abdominal muscle 2, and the diameter of the side muscle 4 is not less than the diameter of the anchoring muscle 3, wherein the anchoring muscle 3 can enhance the rigidity and strength of the combined frame with less material.
[0036] The upper chord 1 is a steel pipe, a section steel or other metal rod structure, as shown in Figure 7 , the section steel can be H-shaped steel, and can also be channel steel, angle steel and other structures, and the upper chord 1 can be round steel pipe, long circular cross-section steel pipe or polygonal cross-section steel pipe, and the steel pipe is filled with hard filler, wherein the hard filler can be existing concrete or mortar, which can improve the strength of the upper chord 1 to a certain extent. In addition, the end surface structure of the steel pipe can be an ellipse, a trapezoid, a rectangle and other polygonal sections. The upper chord 1 adopts a steel pipe, a section steel or other metal rod structure, which not only improves the strength of the structure, but also saves the amount of steel, and has better economy, stronger strength, rigidity and overall carrying capacity.
[0037] Further, the groove of the section steel can be filled with hard filler, and the hard filler in the groove of the section steel is concrete or mortar, or the concrete or mortar is placed with steel bars.
[0038] Further, as shown in Figures 12-15 , the upper chord 1 can also be a combination structure of steel bars, a combination structure of steel bars and steel pipes, a combination structure of steel bars and section steels, and a combination structure of steel pipes. The metal rod structure of the steel pipe is freely combined and welded, which can effectively improve the strength of the overall upper chord 1, save the amount of steel, and ensure the performance of the overall metal combined frame.
[0039] The utility model discloses a kind of bottom combined frame with anchoring muscle's pouring type floor support made, as shown in Figure 8 , including bottom plate 5, at least one bottom combined frame with anchoring muscle is connected on bottom plate 5, and the anchoring muscle 3 in each bottom combined frame with anchoring muscle is located inside bottom plate 5.
[0040] Further, the distance between the side muscle 4 and the upper surface of the bottom plate 5 is not less than 15mm and not more than 20mm.
[0041] Further, in order to enhance the connection performance between the combined frame and the bottom plate 5, as shown in Figure 9 And Figure 10As shown, the bottom plate 5 is provided with a steel bar net 6, which is connected with the anchoring steel bars 3. The anchoring steel bars 3 can anchor and connect the combined frame with the bottom plate 5, and the steel bar net 6 can effectively improve the strength and overall performance of the bottom plate 5. The bottom plate 5 can be casted by mortar or fiber mortar, fine stone concrete or fiber net fine stone concrete, reinforced concrete or high performance concrete, and the fiber net installed in the bottom plate 5 can improve the overall performance during the production of the bottom plate 5.
[0042] The bottom plate 5 can also be provided with steel bars or fibers, which can be connected with the anchoring steel bars 3 or connected through casted concrete or mortar. A non-metal net can also be arranged in the bottom plate 5, which is connected with the anchoring steel bars 3.
[0043] Further, as shown in the drawings, Figure 26 At least one connecting rod 7 is fixed between the upper chords 1 of the combined frames with anchoring steel bars at the bottom and adjacent positions on the bottom plate 5, and the connecting rod 7 is horizontally arranged relative to the bottom plate 5. The arrangement of the connecting rod 7 can increase the stability of the combined frames with anchoring steel bars at the bottom on the bottom plate 5, and can also provide the overall production of the floor support plate with the compression resistance.
[0044] The technical scheme of the utility model is not limited to the scope of the embodiments described in the utility model. The technical contents not described in the utility model are all known technologies.
Claims
1. A bottom strap anchored combination rack characterized by: The upper chord (1) is a steel pipe, a shaped steel or other metal rod structure, and the two sides of the length direction of the upper chord (1) are connected with the web (2), each web (2) is made of a continuous bending steel bar, and the anchor bar (3) is arranged at the bottom of the web (2); The anchor bar (3) is fixed above or below the corresponding bottom of the two-side web (2), and the anchor bar (3) is perpendicular to the length direction of the upper chord (1); The lateral bar (4) is connected to the middle and lower parts of the outer side of the web (2), and the diameter of the lateral bar (4) is not less than the diameter of the anchor bar (3).
2. The composite shelf with bottom anchoring rib according to claim 1, characterized in that: The upper chord (1) is a round steel pipe, an oblong cross-section steel pipe or a polygonal cross-section steel pipe, and the steel pipe is filled with a hard filler.
3. The composite shelf with bottom anchor rib according to claim 1, wherein: The upper chord (1) is an H-shaped steel, a channel steel or an angle steel.
4. The composite shelf with bottom anchor rib according to claim 1, wherein: The recess of the shaped steel can be filled with a hard filler.
5. A composite shelf with bottom strap anchor according to claim 4, wherein: The hard filler in the recess of the shaped steel is concrete or mortar, or a steel bar is arranged in the concrete or mortar.
6. The composite shelf with bottom anchor rib of claim 1, wherein: The upper chord (1) is a metal rod structure of a combination structure of a steel bar and a steel bar, a combination structure of a steel bar and a steel pipe, a combination structure of a steel bar and a shaped steel, a combination structure of a steel pipe and a steel pipe.
7. A cast-in-place floor deck made using the composite floor framing system of any one of claims 1 to 6, wherein: The bottom plate (5) is connected with at least one bottom anchor bar combination frame, and the anchor bar (3) in each bottom anchor bar combination frame is located inside the bottom plate (5).
8. The cast-in-place floor slab made of the combined frame with anchoring rebars at the bottom according to claim 7, characterized in that: The distance between the lateral bar (4) and the upper surface of the bottom plate (5) is not less than 15 mm and not more than 20 mm.
9. The cast-in-place floor deck made of the combined frame with anchoring rib at the bottom according to claim 7, characterized in that: The bottom plate (5) is provided with a steel bar or a fiber.
10. The cast-in-place floor deck made of the combined frame with anchoring rib at the bottom according to claim 7, characterized in that: The bottom plate (5) is provided with a steel bar mesh (6) or a non-metal mesh, and the steel bar mesh (6) or the non-metal mesh is connected with the anchor bar (3).
11. The cast-in-place floor deck made of the combined frame with anchoring rib at the bottom according to claim 7, characterized in that: A plurality of connecting rods (7) are arranged between the upper chords (1) of the bottom anchor bar combination frames arranged at adjacent positions on the bottom plate (5), and the connecting rods (7) are arranged horizontally relative to the bottom plate (5).