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Externally-adhered reinforced glass beam and manufacturing method thereof

A reinforced, glass technology, applied in the direction of joists, girders, trusses, etc., can solve the problems of reduced bearing capacity, failure brittleness, etc., achieve high compressive strength, improve bearing capacity and deformation capacity, and improve the bearing capacity after cracking and deformability effects

Pending Publication Date: 2020-12-25
CHINA ACAD OF BUILDING RES +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem that the bearing capacity of glass beams (including laminated glass beams) decreases significantly after cracking, and the damage is brittle, improve the bearing capacity and deformation capacity of glass beams after cracking, and improve the safety of glass beams, the invention develops and designs an external Adhesive reinforced glass beam

Method used

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  • Externally-adhered reinforced glass beam and manufacturing method thereof
  • Externally-adhered reinforced glass beam and manufacturing method thereof
  • Externally-adhered reinforced glass beam and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Glass beam 1 is laminated glass composed of a middle layer of glass and two layers of glass on the outside. The glass material is flat glass. The cross-section of glass beam 1 is configured as 6mm+1.52SGP+12mm+1.52SGP+6mm; The section of reinforcement 2 is U-shaped, and the inner width of the U-shaped groove of reinforcement 2 is 4mm larger than the width of the glass beam, and the height of U-shaped groove is 1 / 2 of its inner width; at the two ends of reinforcement 2 and the span Set three supports at the middle position, and set acrylic foam tape between the reinforcement 2 and the glass beam 1 at the support as the pad 4. The width of the pad 4 is equal to the inner width of the U-shaped groove of the reinforcement 2, and the length is 20mm. The thickness is 2 mm, and it is pasted on the inner bottom surface of the reinforcement 2; the gap between the bottom and lower part of the glass beam 1 and the reinforcement 2 is an MF1310 adhesive layer 3 with a thickness of 2 ...

Embodiment 2

[0038]Except that the material of reinforcement 2 is GFRP (glass reinforced plastic), the others are the same as in Embodiment 1.

[0039] Carry out four-point bending test to the non-reinforced glass beam, the externally bonded stainless steel reinforced reinforced glass beam prepared in Example 1 and the externally bonded GFRP reinforced reinforced glass beam prepared in Example 2, and the results are as follows Figure 4 As shown, it can be seen from the load-displacement curve obtained in the four-point bending test that compared with the laminated glass beam, the externally bonded stainless steel reinforced reinforced glass beam prepared in Example 1 and the externally bonded GFRP prepared in Example 2 The bearing capacity and deformation capacity of the reinforced glass beam after cracking are significantly improved compared with the laminated glass beam.

Embodiment 3

[0041] Glass beam 1 is laminated glass composed of a middle layer of glass and two outer layers of glass. The glass material is semi-tempered glass. The cross-section configuration of glass beam 1 is 6mm+1.52SGP+12mm+1.52SGP+6mm; reinforcement 2 is stainless steel , the section of reinforcement 2 is U-shaped, the inner width of the U-shaped groove of reinforcement 2 is 4mm larger than the width of the glass beam, and the height of U-shaped groove is 1 / 2 of its inner width; at the two ends of reinforcement 2 and Three supports are set at the mid-span position, and acrylic foam tape is set between the reinforcement 2 and the glass beam 1 at the support as the spacer 4. The width of the spacer 4 is equal to the inner width of the U-shaped groove of the reinforcement 2, and the length is 20mm , with a thickness of 2 mm, pasted on the inner bottom surface of the reinforcement 2; the gap between the bottom and lower part of the glass beam 1 and the reinforcement 2 is an MF1310 adhesi...

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Abstract

The invention relates to an externally-adhered reinforced glass beam and a manufacturing method thereof, and belongs to the field of building structures. The externally-adhered reinforced glass beam comprises a glass beam, a reinforcing bar, a cushion block and an adhesive layer, wherein the reinforcing bar is of a U-shaped groove structure, and the length of the reinforcing bar is the same as that of the glass beam; the cushion block is arranged at a supporting point in a U-shaped groove of the reinforcing bar; the glass beam is arranged in the U-shaped groove of the reinforcing bar; the adhesive layer is arranged between the glass beam and the reinforcing bar; and the glass beam and the reinforcing bar are adhered into a whole through the adhesive layer. According to the externally-adhered reinforced glass beam, a reinforcing bar material is adhered to a tensile region of the glass beam through an adhesive to manufacture the externally-adhered reinforced glass beam; and the reinforcing bar material can continuously transfer tensile force after glass is cracked, so that a bearing mechanism after the glass beam with the reinforcing bar being tensioned and the glass being pressed iscracked is formed, and the bearing capacity and the deformation capacity of the glass beam after cracking can be effectively improved. The externally-adhered reinforced glass beam can be used for newly building a glass beam, can also be used for reinforcing and transforming an existing glass beam, and has wide applicability.

Description

technical field [0001] The invention relates to an externally bonded reinforced glass beam and a manufacturing method thereof, which belong to the field of building structures. Background technique [0002] In glass structures with glass members as the main load-bearing members, glass beams are the main members bearing horizontal loads. The damage of the glass beam is controlled by the tensile cracking of the glass. Once cracked, the bearing capacity is almost completely lost, and the damage is brittle. Therefore, the risk of glass beam cracking and damage is relatively high. Improving the bearing capacity and deformation capacity of the glass beam after cracking is extremely critical to the mechanical performance and safety performance of the glass beam. [0003] In the prior art, two or more pieces of glass are bonded through a polymer interlayer material to form a laminated glass beam, but the above method has the following disadvantages: [0004] 1. The bearing capacit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/29E04G23/02
CPCE04C3/29E04G23/0218
Inventor 黄小坤刘强崔明哲
Owner CHINA ACAD OF BUILDING RES
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