The Experts below are selected from a list of 129 Experts worldwide ranked by ideXlab platform

Andrew Ball - One of the best experts on this subject based on the ideXlab platform.

  • Free Vibration Measurements of Single-lap Cantilevered SPR Beams
    2016
    Co-Authors: Dong Zhen, Bao Ying Xing, Kai Zeng, Yan Fang Ding, Andrew Ball
    Abstract:

    response functions. Abstract. Self-pierce riveting (SPR) is a new high-speed mechanical Fastening Technique which is suitable for point joining dissimilar materials, as well as coated and pre-painted materials. In this study, an experimental measurement Technique was provided for the prediction of the free vibration behavior of single-lap cantilevered SPR beams. The dynamic test software and the data acquisition hardware were used in the experimental measurement of the dynamic response of the single-lap cantilevered SPR Beams. The frequency response functions of the SPR beams of different rivet number were measured and compared. The main goal of the paper is to provide a basis for further research on vibration based non-destructive damage detection in single-lap cantilevered SPR beams

  • Numerical and experimental investigations of self-piercing riveting
    The International Journal of Advanced Manufacturing Technology, 2013
    Co-Authors: Bao Ying Xing, Kai Zeng, Andrew Ball
    Abstract:

    Self-piercing riveting (SPR) is a new high-speed mechanical Fastening Technique which is suitable for point-joining dissimilar sheet materials, as well as coated and pre-painted sheet materials. With an increasing application of SPR in different industrial fields, the demand for a better understanding of the knowledge of static and dynamic characteristics of the SPR joints is required. In this paper, the SPR process has been numerically simulated using the commercial finite element software LS-Dyna. For validating the numerical simulation of the SPR process, experimental tests on specimens made of aluminium alloy have been carried out. The online window monitoring Technique was introduced in the tests for evaluating the quality of SPR joints. Good agreements between the simulations and the tests have been found, both with respect to the force-travel (time) curves as well as the deformed shape on the cross-section of the SPR joint. Monotonic tensile tests were carried out to measure the ultimate tensile strengths of the bonded joints, SPR joints and SPR-bonded hybrid joints. Deformation and failure of the joints under monotonic tensile loading were studied. The normal hypothesis tests were performed to examine the rationality of the test data. This work was also aimed at evaluating experimentally and comparing the strength and energy absorption of the bonded joints, SPR joints and SPR-bonded hybrid joints.

  • Experimental Free Vibration Analysis of Clinched Beams
    Applied Mechanics and Materials, 2013
    Co-Authors: Dong Zhen, Hui Yan Yang, Guojin Feng, Bao Ying Xing, Andrew Ball
    Abstract:

    Clinching is a high-speed mechanical Fastening Technique which is suitable for point joining coated and pre-painted sheet materials. In this study, an experimental measurement Technique was provided for the prediction of the free vibration behavior of single-lap cantilevered clinched beams. The dynamic test software and the data acquisition hardware were used in the experimental measurement of the dynamic response of the single-lap cantilevered clinched beams. The frequency response functions of the clinched beams of different clinching number were measured and compared. The main goal of the paper is to provide a basis for further research on vibration based non-destructive damage detection in clinched beams.

  • Free Vibration Measurements of Single-Lap Cantilevered SPR Beams
    Applied Mechanics and Materials, 2013
    Co-Authors: Dong Zhen, Bao Ying Xing, Kai Zeng, Yan Fang Ding, Andrew Ball
    Abstract:

    Self-pierce riveting (SPR) is a new high-speed mechanical Fastening Technique which is suitable for point joining dissimilar materials, as well as coated and pre-painted materials. In this study, an experimental measurement Technique was provided for the prediction of the free vibration behavior of single-lap cantilevered SPR beams. The dynamic test software and the data acquisition hardware were used in the experimental measurement of the dynamic response of the single-lap cantilevered SPR Beams. The frequency response functions of the SPR beams of different rivet number were measured and compared. The main goal of the paper is to provide a basis for further research on vibration based non-destructive damage detection in single-lap cantilevered SPR beams.

  • Numerical and experimental investigationsof self-piercing riveting
    2013
    Co-Authors: Xing Baoying, Zeng Kai, Andrew Ball
    Abstract:

    Self-pierce riveting (SPR) is a new high-speed mechanical Fastening Technique which is suitable for point joining dissimilar sheet materials, as well as coated and pre-painted sheet materials. With increasing application of SPR in different industrial fields, the demand for a better understanding of the knowledge of static and dynamic characteristics of the SPR joints is required. In this paper, the SPR process has been numerically simulated using the commercial finite element (FE) software LS-Dyna. For validating the numerical simulation of the SPR process, experimental tests on specimens made of aluminium alloy have been carried out. The online window monitoring Technique was introdu introdu ced in the tests for evaluating the quality of SPR joints. Good agreements between the simulations and the tests have been found, both with respect to the force-travel (time) curves as well as the deformed shape on the cross-section of SPR joint. Monotonic tensile tests were carried out to measure the ultimate tensile strengths for SPR joints with different material combinations. Deformation and failure of the SPR joints under monotonic tensile loading were studied. The normal hypothesis tests were performed to examine the rationality of the test data. This work was also aimed at evaluating experimentally and comparing the strength and energy absorption of SPR joints and SPR-bonded hybrid joints.

Yue Huang - One of the best experts on this subject based on the ideXlab platform.

  • Hybrid Bonding of FRP to Reinforced Concrete Structures
    Journal of Composites for Construction, 2008
    Co-Authors: Yue Huang
    Abstract:

    The adhesive attachment of fiber-reinforced polymers (FRP) laminate to the external face of reinforced concrete structures is currently one of the most popular and effective methods for retrofitting and strengthening concrete structures. With this method, the additional strength of the attached reinforcement is transmitted into the concrete members through adhesion. However, the relatively weak adhesive interface fundamentally limits the efficacy of the method. Much effort has been made in the research community to improve the bond strength and develop bond models, but a satisfactory solution has yet to be found. Mechanical Fastening is another more traditional technology that is used to bond one material to another. This paper introduces a new hybrid bonding Technique that combines adhesive bonding and a new type of mechanical Fastening. The new mechanical Fastening Technique does not rely on bearing to transmit the interfacial shear, but instead increases the interfacial bond by resisting the separation...

Bao Ying Xing - One of the best experts on this subject based on the ideXlab platform.

  • Free Vibration Measurements of Single-lap Cantilevered SPR Beams
    2016
    Co-Authors: Dong Zhen, Bao Ying Xing, Kai Zeng, Yan Fang Ding, Andrew Ball
    Abstract:

    response functions. Abstract. Self-pierce riveting (SPR) is a new high-speed mechanical Fastening Technique which is suitable for point joining dissimilar materials, as well as coated and pre-painted materials. In this study, an experimental measurement Technique was provided for the prediction of the free vibration behavior of single-lap cantilevered SPR beams. The dynamic test software and the data acquisition hardware were used in the experimental measurement of the dynamic response of the single-lap cantilevered SPR Beams. The frequency response functions of the SPR beams of different rivet number were measured and compared. The main goal of the paper is to provide a basis for further research on vibration based non-destructive damage detection in single-lap cantilevered SPR beams

  • Mechanical properties of self-piercing riveted joints in aluminum alloy 5052
    The International Journal of Advanced Manufacturing Technology, 2014
    Co-Authors: Bao Ying Xing, Kai Zeng, Yuqi Wang
    Abstract:

    Self-piercing riveting (SPR) is a high-speed mechanical Fastening Technique which is suitable for point joining advanced lightweight sheet materials. This paper reports on research into the mechanical properties of single and multiple-rivet SPR joints in aluminum alloy 5052 sheet materials. Static and fatigue tests were conducted in order to understand the effect of varying the number and distribution pattern of rivets in such joints. A statistical analysis was performed to examine the rationality of test data and the strength reliability of the joints. The failure mechanism of the joints was studied by looking at the fracture surfaces of multiple-rivet SPR joints using scanning electron microscopy (SEM) and energy-dispersive X-ray (EDX) Techniques. The results of mechanical experiments showed that the static strength and fatigue life of multiple-rivet SPR joints are significantly greater than for single-rivet SPR joints. Furthermore, the SEM and EDX examination results suggest that the failure characteristics are different for multiple-rivet SPR joints with the same number of rivets but different rivet distribution patterns. That the mechanical properties of the multiple-rivet SPR joints can be influenced not only by the rivet number but also rivet distribution pattern is an important conclusion. The strength and failure models are discussed and illustrated with case studies for different SPR joints.

  • Numerical and experimental investigations of self-piercing riveting
    The International Journal of Advanced Manufacturing Technology, 2013
    Co-Authors: Bao Ying Xing, Kai Zeng, Andrew Ball
    Abstract:

    Self-piercing riveting (SPR) is a new high-speed mechanical Fastening Technique which is suitable for point-joining dissimilar sheet materials, as well as coated and pre-painted sheet materials. With an increasing application of SPR in different industrial fields, the demand for a better understanding of the knowledge of static and dynamic characteristics of the SPR joints is required. In this paper, the SPR process has been numerically simulated using the commercial finite element software LS-Dyna. For validating the numerical simulation of the SPR process, experimental tests on specimens made of aluminium alloy have been carried out. The online window monitoring Technique was introduced in the tests for evaluating the quality of SPR joints. Good agreements between the simulations and the tests have been found, both with respect to the force-travel (time) curves as well as the deformed shape on the cross-section of the SPR joint. Monotonic tensile tests were carried out to measure the ultimate tensile strengths of the bonded joints, SPR joints and SPR-bonded hybrid joints. Deformation and failure of the joints under monotonic tensile loading were studied. The normal hypothesis tests were performed to examine the rationality of the test data. This work was also aimed at evaluating experimentally and comparing the strength and energy absorption of the bonded joints, SPR joints and SPR-bonded hybrid joints.

  • Experimental Free Vibration Analysis of Clinched Beams
    Applied Mechanics and Materials, 2013
    Co-Authors: Dong Zhen, Hui Yan Yang, Guojin Feng, Bao Ying Xing, Andrew Ball
    Abstract:

    Clinching is a high-speed mechanical Fastening Technique which is suitable for point joining coated and pre-painted sheet materials. In this study, an experimental measurement Technique was provided for the prediction of the free vibration behavior of single-lap cantilevered clinched beams. The dynamic test software and the data acquisition hardware were used in the experimental measurement of the dynamic response of the single-lap cantilevered clinched beams. The frequency response functions of the clinched beams of different clinching number were measured and compared. The main goal of the paper is to provide a basis for further research on vibration based non-destructive damage detection in clinched beams.

  • Free Vibration Measurements of Single-Lap Cantilevered SPR Beams
    Applied Mechanics and Materials, 2013
    Co-Authors: Dong Zhen, Bao Ying Xing, Kai Zeng, Yan Fang Ding, Andrew Ball
    Abstract:

    Self-pierce riveting (SPR) is a new high-speed mechanical Fastening Technique which is suitable for point joining dissimilar materials, as well as coated and pre-painted materials. In this study, an experimental measurement Technique was provided for the prediction of the free vibration behavior of single-lap cantilevered SPR beams. The dynamic test software and the data acquisition hardware were used in the experimental measurement of the dynamic response of the single-lap cantilevered SPR Beams. The frequency response functions of the SPR beams of different rivet number were measured and compared. The main goal of the paper is to provide a basis for further research on vibration based non-destructive damage detection in single-lap cantilevered SPR beams.

Yan Hua Guan - One of the best experts on this subject based on the ideXlab platform.

  • Reinforced Concrete Structures with Hybrid Technology of Pre-Stressed CFRP Sheets and Pre-Screwed Bolts
    Recent Advances in Material Analysis Monitoring and Evaluation in Foundation and Bridge Engineering, 2014
    Co-Authors: Yan Hua Guan, Hongya Yue
    Abstract:

    The carbon fiber reinforced composite polymer (CFRP) reinforcement is currently one of the most popular and effective methods for retrofitting and strengthening concrete structures. However, the nonprestressed CFRP reinforcement cannot make full use of the tensile strength of CFRP, and the crack development of the stiffening beam cracks cannot restrain actively either. The failure of a strengthened or retrofitted structure with the nonprestressed CFRP is usually caused by the breakdown of the bond at the CFRP-epoxy interface or at the concrete-epoxy interface which is weaker than other places. Much effort has been made in the research community to improve the bond strength and restrain the crack development of the strengthening beam cracks. The full CFRP strength can usually be achieved in the strengthened or retrofitted structure with the prestressed CFRP. The prescrewed bolts Fastening is another new mechanical Fastening Technique that is used to bond one material to another to improve the bond interface strength. Therefore, this paper introduces a new hybrid bonding prestressed Technique that combines prestressed CFRP reinforcement and prescrewed bolts Fastening. New tensioning equipment was developed to prestress CFRP. The strengthened reinforced concrete (RC) beam experiments have been finished to check the strengthening effect. Experimental tests have demonstrated that the new hybrid technology of prestressed CFRP sheets and prescrewed bolts can make full use of the tensile strength of CFRP and actively restrain the crack development of the strengthening beam cracks.

  • Experimental Study and Numerical Simulation on Bonding Behavior of the FRP-Bolt Strengthening Technology
    Design Construction Rehabilitation and Maintenance of Bridges, 2011
    Co-Authors: Yan Hua Guan, Binsong Jiang, Xiu Guang Song
    Abstract:

    To find an alternative way of improving bonding and restricting sliding displacement, a new Technique that combines FRP surface adhesion (EB-FRP) with a new type of mechanical Fastening, namely Hybrid bonding (HB-FRP), is developed. The specimens are investigated and compared in a new modified beam-shear program in order to examine the bonding behavior of HB-FRP and EB-FRP. The finite element analysis is conducted to simulate the interfacial shear on the basis of different bolt prestress by Pretension 179 element and compact pairs of ANSYS. On the basis of experiments and the finite element analysis, the formula of calculating anchor length is suggested. The results show that HB-FRP is a more reliable strengthening Technique. The new bolt-Fastening Technique does not rely on bearing to transmit the interfacial shear, but increases the interfacial bond by resisting the separation of the FRP laminate from the concrete substrate by the bolt pretension instead. This study contributes to direct the design and the construction of HB-FRP.

  • Experimental Study on RC Beams Strengthened in Shear with the FRP-Bolt Strengthening Technology
    Design Construction Rehabilitation and Maintenance of Bridges, 2011
    Co-Authors: Yan Hua Guan, Binsong Jiang, Yidong Jiang
    Abstract:

    To research the effect of FRP-bolt strengthening technology and to examine the strengthening effect on RC beams in shear, contrast tests of FRP surface adhesion (EB-FRP) and FRP-bolt hybrid boding (HB-FRP) are conducted in laboratory on the basis of the destructive characteristics of aging RC beam bridges. The results of the EB-FRP and HB-FRP are compared. The influence of pre-cracking level and FRP strip spacing on RC beams strengthened in shear with HB-FRP is assessed particularly. The experiment results show that HB-FRP is a more reliable strengthening Technique which can improve the shear capacity of beams. The new bolt-Fastening Technique does not rely on bearing to transmit the interfacial shear, but increases the interfacial bond by resisting the separation of the FRP laminate from the concrete substrate by the bolt pretension instead. This study contributes to direct the design and the construction of HB-FRP.

  • Experimental Study of Flexural Capacity on RC Beams Strengthened with the FRP-Bolt Strengthening Technology
    Advanced Materials Research, 2011
    Co-Authors: Yan Hua Guan, Pei Zhi Zhuang, Xiu Guang Song
    Abstract:

    On the basis of the destructive characteristics of aging RC beam bridges, experiments are conducted to examine and compare the effect on RC beams strengthened with FRP surface adhesion (EB-FRP) and FRP-bolt hybrid boding (HB-FRP). In particular, the influence of pre-cracking level on RC beams strengthened with the hybrid bonding of FRP is assessed. The experiment results show that the hybrid bonding of FRP is a more reliable strengthening Technique which can improve the Flexural capacity of beams. The new bolt-Fastening Technique does not rely on bearing to transmit the interfacial shear, but increases the interfacial bond by resisting the separation of the FRP laminate from the concrete substrate by the bolt pretension instead. This study contributes to direct the design and the construction of HB-FRP.

Dong Zhen - One of the best experts on this subject based on the ideXlab platform.

  • Free Vibration Measurements of Single-lap Cantilevered SPR Beams
    2016
    Co-Authors: Dong Zhen, Bao Ying Xing, Kai Zeng, Yan Fang Ding, Andrew Ball
    Abstract:

    response functions. Abstract. Self-pierce riveting (SPR) is a new high-speed mechanical Fastening Technique which is suitable for point joining dissimilar materials, as well as coated and pre-painted materials. In this study, an experimental measurement Technique was provided for the prediction of the free vibration behavior of single-lap cantilevered SPR beams. The dynamic test software and the data acquisition hardware were used in the experimental measurement of the dynamic response of the single-lap cantilevered SPR Beams. The frequency response functions of the SPR beams of different rivet number were measured and compared. The main goal of the paper is to provide a basis for further research on vibration based non-destructive damage detection in single-lap cantilevered SPR beams

  • Experimental Free Vibration Analysis of Clinched Beams
    Applied Mechanics and Materials, 2013
    Co-Authors: Dong Zhen, Hui Yan Yang, Guojin Feng, Bao Ying Xing, Andrew Ball
    Abstract:

    Clinching is a high-speed mechanical Fastening Technique which is suitable for point joining coated and pre-painted sheet materials. In this study, an experimental measurement Technique was provided for the prediction of the free vibration behavior of single-lap cantilevered clinched beams. The dynamic test software and the data acquisition hardware were used in the experimental measurement of the dynamic response of the single-lap cantilevered clinched beams. The frequency response functions of the clinched beams of different clinching number were measured and compared. The main goal of the paper is to provide a basis for further research on vibration based non-destructive damage detection in clinched beams.

  • Free Vibration Measurements of Single-Lap Cantilevered SPR Beams
    Applied Mechanics and Materials, 2013
    Co-Authors: Dong Zhen, Bao Ying Xing, Kai Zeng, Yan Fang Ding, Andrew Ball
    Abstract:

    Self-pierce riveting (SPR) is a new high-speed mechanical Fastening Technique which is suitable for point joining dissimilar materials, as well as coated and pre-painted materials. In this study, an experimental measurement Technique was provided for the prediction of the free vibration behavior of single-lap cantilevered SPR beams. The dynamic test software and the data acquisition hardware were used in the experimental measurement of the dynamic response of the single-lap cantilevered SPR Beams. The frequency response functions of the SPR beams of different rivet number were measured and compared. The main goal of the paper is to provide a basis for further research on vibration based non-destructive damage detection in single-lap cantilevered SPR beams.