T-shaped beam via hole reinforcing structure
By bonding polyester sleeves inside the holes of T-beams and connecting them with flared outward expansion sections, setting U-shaped hoops and pressure strips, and using carbon fiber cloth, the problems of reduced load-bearing capacity of T-beams and pipeline wear were solved, thereby improving structural stability and pipeline lifespan.
Patent Information
- Application Number
- CN202520373808.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-05
AI Technical Summary
After T-beams have holes for electrical wiring, their load-bearing capacity decreases, stress concentrates, and the wiring wears down, affecting their service life and safety.
Polyester sleeves are bonded inside the holes of the T-beams and connected to the flared expansion section by external threads. U-shaped hoops and pressure strips are provided on both sides. Carbon fiber cloth is used to ensure structural stability and tensile strength.
It improves the bending and shear bearing capacity of T-beams, reduces the impact of through-hole opening on structural strength, extends pipeline service life, and simplifies the installation process.
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Figure CN223853908U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of building structure especially to a T-shaped beam through hole reinforcing structure. BACKGROUND
[0002] T-shaped beam refers to the beam of T-shaped cross section. Since it is equivalent to the concrete of the tensile zone in the rectangular beam which does not work on the bending strength is removed to form, and the bending strength is completely the same as the original rectangular, it can save the concrete, reduce the self weight of the component, and improve the spanning capacity, so it is widely used in the field of building.
[0003] In actual engineering, the situation of needing to set up circuit pipeline through hole on the T-shaped beam often occurs, and the setting up of the through hole will cause certain influence on the bearing capacity and ductility of the T-shaped beam, the strength of the beam is reduced to a certain extent, and stress concentration phenomenon occurs to a certain extent around the through hole, which influences the bending and shearing bearing capacity of the T-shaped beam. Meanwhile, due to the rough setting up of the through hole, the pipeline gravity droops to cause contact abrasion with the edge of the through hole in the use process, which influences the service life and use safety of the pipeline. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a T-shaped beam through hole reinforcing structure to solve the problems in the prior art.
[0005] The utility model discloses a T-shaped beam through hole reinforcing structure, which comprises a T-shaped beam body, the beam body comprises a top plate and a web, a through hole is arranged on the web, a polyester sleeve is fixedly bonded in the through hole, U-shaped hoops are arranged on both sides of the through hole, the U-shaped hoops are fixedly bonded on the web, an upper pressing strip is fixedly bonded on the web along the U-shaped hoops, a lower pressing strip is fixedly bonded on the web along the through hole, a top pressing strip is fixedly bonded on the top plate above the through hole, the length L1 of the two ends of the upper pressing strip located on the outer side part of the U-shaped hoop is not less than 200mm, and the length L2 of the two ends of the lower pressing strip located on the outer side part of the U-shaped hoop is not less than 500mm.
[0006] As a further improvement of the utility model, the width of the upper pressing strip and the lower pressing strip is 100mm, the diameter of the through hole is not greater than 50mm, and the distance L3 between the inner sides of the two U-shaped hoops is not greater than 200mm, so that the bending and shearing bearing capacity of the T-shaped beam is ensured not to be reduced due to the setting up of the through hole.
[0007] As a further improvement of the utility model, the width of the top pressing strip is equal to the width of the top plate, and the length of the top pressing strip is equal to the length of the lower pressing strip, so that the bending and shearing capacity of the T-shaped beam is further ensured.
[0008] As a further improvement of this utility model, the width of the U-shaped hoop is 200mm and the spacing of the U-shaped hoop is 200mm, which ensures the bending and shear resistance of the T-beam.
[0009] As a further improvement of this utility model, the two ends of the polyester sleeve extend from the through hole and are connected to the flared expansion part by external thread, thereby avoiding the wear phenomenon caused by the drooping of the pipeline due to contact with the sharp edge of the through hole, improving the service life of the pipeline. At the same time, the setting of the flared expansion part also reduces the difficulty for construction personnel to install circuit pipelines at high altitudes.
[0010] As a further improvement of this utility model, the upper pressure strip, lower pressure strip, top pressure strip and U-shaped hoop are all made of carbon fiber cloth, which has the advantages of high tensile strength, high elastic modulus and simple construction. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the T-beam through-hole reinforcement structure of this utility model.
[0012] The components include: 1. Beam body, 1A. Top plate, 1B. Web plate, 2. Polyester sleeve, 3. Trumpet-shaped outward expansion, 4. U-shaped hoop, 5. Upper pressure strip, 6. Lower pressure strip, and 7. Top pressure strip. Detailed Implementation
[0013] like Figure 1 The T-beam through-hole reinforcement structure shown includes a T-shaped beam body 1, which comprises a top plate 1A and a web plate 1B. A through-hole is provided on the web plate 1B. A polyester sleeve 2 is bonded and fixed inside the through-hole. Both ends of the polyester sleeve 2 extend 20-30mm from the through-hole and are connected by external threads to a flared expansion portion 3 (i.e., both ends of the polyester sleeve 2 have external threads, and the connecting end of the flared expansion portion 3 has an internal thread that mates with the external threads, so that after the polyester sleeve 2 is bonded and fixed inside the through-hole, the flared expansion portion 3 can be easily screwed onto both ends of the polyester sleeve 2). This avoids wear and tear caused by the pipeline sagging due to gravity contact with the sharp edges of the through-hole, improving the service life of the pipeline. At the same time, the flared expansion portion 3 also reduces the difficulty for construction workers installing electrical pipelines at heights.
[0014] The U-shaped hoops 4 are pasted and fixed on the web plate 1B, the upper pressing strips 5 are pasted and fixed on the web plate 1B, the lower pressing strips 6 are pasted and fixed on the lower edge of the through hole, the top pressing strips 7 are pasted and fixed on the top plate 1A above the through hole, the length L1 of the two ends of the upper pressing strips 5 located on the outer side of the U-shaped hoops 4 is not less than 200mm, the length L2 of the two ends of the lower pressing strips 6 located on the outer side of the U-shaped hoops 4 is not less than 500mm, the width of the upper pressing strips 5 and the lower pressing strips 6 is 100mm, the diameter of the through hole is not greater than 50mm, the distance L3 between the inner sides of the two U-shaped hoops 4 is not greater than 200mm, the bending and shearing bearing capacity of the T-shaped beam is ensured not to be reduced due to the through hole.
[0015] The T-shaped beam through hole reinforcing structure has the advantages of simple and convenient construction, low material cost and the like, and can effectively reduce the influence of the through hole on the strength and ductility of the T-shaped beam, ensure the bending and shearing bearing capacity of the T-shaped beam, and improve the reliability.
[0016] The utility model discloses not limited to the above -mentioned embodiment, on the basis that the technical scheme is disclosed in the utility model, the technical content is disclosed to the person skilled in the art according to, without the creative labor, can make some replacement and deformation to some technical features among them, these replacement and deformation are all within the protection scope of the utility model.
Claims
1. A T-beam via hole reinforcing structure, comprising a T-shaped beam body, the beam body comprising a top plate and a web, a via hole being provided on the web, characterized in that: The polyester sleeve is fixedly bonded in the via, U-shaped hoops are arranged on both sides of the via, the U-shaped hoops are fixedly bonded on the web, an upper pressing strip is fixedly bonded on the web, a lower pressing strip is fixedly bonded on the lower edge of the via, a top pressing strip is fixedly bonded on the top plate above the via, the length L1 of the upper pressing strip at both ends outside the U-shaped hoop is not less than 200 mm, the length L2 of the lower pressing strip at both ends outside the U-shaped hoop is not less than 500 mm.
2. The T-beam via reinforcement structure of claim 1, wherein: The width of the upper pressing strip and the lower pressing strip is 100 mm, the diameter of the via is not more than 50 mm, and the distance L3 between the inner sides of the two U-shaped hoops is not more than 200 mm.
3. The T-beam via reinforcement structure of claim 2, wherein: The width of the top pressing strip is equal to the width of the top plate, and the length of the top pressing strip is equal to the length of the lower pressing strip.
4. The T-beam via reinforcement structure of claim 1, wherein: The width of the U-shaped hoop is 200 mm, and the interval of the U-shaped hoops is 200 mm.
5. The T-beam via reinforcement structure of claim 1, wherein: The polyester sleeve extends from the via at both ends and is connected with a trumpet-shaped outward expansion part through an external thread.
6. The T-beam via reinforcement structure of any one of claims 1-5, wherein: The upper pressing strip, the lower pressing strip, the top pressing strip and the U-shaped hoop are all made of carbon fiber cloth.