Pulse-Echo Ultrasonic Testing of Adhesively Bonded Joints in Glass Façades

Mojškerc, Bor; Kek, Tomaž; Grum, Janez

doi:10.5545/sv-jme.2015.2988

Cited by 10 publications

(5 citation statements)

References 8 publications

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“…Pulse echo testing is another non-destructive testing type that falls under the ultrasonic test methodology. It works by sending short bursts of ultrasonic high-frequency waves into a material using a transducer that acts as both the transmitter and receiver, and when the waves encounter a defect, a change is noted in the wave, and it is then reflected to the same transducer, which will now act as a receiver [ [59] , [60] , [61] , [62] ]. This method can be performed in different modes such as the contact testing methodology [ 63 ], in which the material is directly in contact with the transducer, and immersion testing [ 64 ], in which the material or test object is submerged in a water tank to facilitate the ultrasonic tests.…”

Section: Non-destructive Testing (Ndt) Techniquesmentioning

confidence: 99%

Prognosis methods of stress corrosion cracking under harsh environmental conditions

Hamdan,

Alsit,

Al Tahhan

et al. 2024

Heliyon

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Section: Non-destructive Testing (Ndt) Techniquesmentioning

confidence: 99%

Prognosis methods of stress corrosion cracking under harsh environmental conditions

Hamdan,

Alsit,

Al Tahhan

et al. 2024

Heliyon

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“…Similarly, code provisions for seismic demands and seismic experimental tests have been reviewed [8]. Some researchers focused on delamination and failure detection in curtain wall glazing [9,10]. Additionally, existing safety appraisal methods for hidden-frame glass curtain walls have been evaluated and characterized into a clear five-level appraisal hierarchy system [11].…”

Section: Introductionmentioning

confidence: 99%

In Situ Experimental Investigation of Slim Curtain Wall Spandrel Integrated with Vacuum Insulation Panel

et al. 2022

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Almost every major city’s skyline is known for high-rise iconic buildings with some level of curtain wall system (CWS) installed. Although complex, a CWS can be designed for energy efficiency by integrating insulated spandrel components in space-constrained areas, such as slabs/plenums. The main aim of this study was to experimentally examine the thermal performance of an optimized curtain wall spandrel system integrated with vacuum insulation panel (VIP) as spandrel insulation. The study is based on robust experimental evaluations, augmented with appropriate numerical computations. The main study is constituted of six parts: (1) evaluation of VIP specifications and thermal properties; (2) analysis of VIP spandrel configuration, fabrication, and installation in a test building facility; (3) thermal bridge characterization of VIP spandrels; (4) monitoring and assessment of VIP durability within the spandrel cavities; (5) thermal performance analysis; and (6) assessment of related limitations and challenges, along with some further reflections. In all, 22 VIPs (each of size 600 mm2) were used. The effective thermal conductivity of VIPs ranged from 5.1–5.4 (10−3 W/mK) and the average value for initial inner pressure was approximately 4.3–5.9 mbar. Three VIP spandrel cases were fabricated and tested. The results proved that the Case 3 VIP spandrel configuration (composed of a double-layer VIP) was the most improved alternative for integrating VIPs.

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“…The research on safety state of HFSGCW mainly adopts ultrasonic detection and vibration measurement method. Mojskerc et al [8] used pulse-echo ultrasound to detect bonding joints of glass curtain wall. Hong et al [9,10] used ultrasound to detect the bond strength of HFSGCW structural adhesive, and introduced deep learning technology into the ultrasonic detection process.…”

Section: Introductionmentioning

confidence: 99%

Structural adhesive damage identification of hidden frame glass curtain wall based on discrete wavelet transform and vibration transmissibility

Yang

Long

Wang

et al. 2022

Preprint

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In order to establish a degumming damage identification method for hidden frame glass curtain wall (HFSGCW) which can be used in engineering practice. In this paper, a damage identification method based on discrete wavelet analysis (DWT) combined with vibration transmissibility is proposed to detect structural adhesive of HFSGCW. The vibration transmissibility is used as damage parameter to characterize the damage degree of structural adhesive. The results show that rubber hammer is an effective method to obtain accurate vibration spectrum of glass plate. In order to obtain accurate vibration transmissivity, it is suggested to select the edge of glass plate as the measuring point. Under six different structural adhesive damage conditions, the damage parameters of vibration transfer rate increase with the increase of structural adhesive damage degree. The damage parameters of vibration transmissibility obtained by DWT can identify the initial small damage of structural adhesive. A safety state evaluation model of HFSGCW glass plate based on vibration transfer rate is proposed. It is of great significance to evaluate the safety state of HFSGCW glass plate.

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Pulse-Echo Ultrasonic Testing of Adhesively Bonded Joints in Glass Façades

Cited by 10 publications

References 8 publications

Prognosis methods of stress corrosion cracking under harsh environmental conditions

Prognosis methods of stress corrosion cracking under harsh environmental conditions

In Situ Experimental Investigation of Slim Curtain Wall Spandrel Integrated with Vacuum Insulation Panel

Structural adhesive damage identification of hidden frame glass curtain wall based on discrete wavelet transform and vibration transmissibility

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