Verification of the Photogrammetric Approach on the Torsion Test Method for Timber Beams
Journal Article
Mohamed, A., Uheida, K., Quan, Y., & Zhang, H. (2022)
Verification of the Photogrammetric Approach on the Torsion Test Method for Timber Beams. International Wood Products Journal, 13(1), 3-14. https://doi.org/10.1080/20426445.2021.1983690
The photogrammetric approach was proposed in this study to evaluate torsional behaviour of glulam timber beams during the torsion test. The main objectives of the experimental...
Performance study on mounting system for displacement transducer in mechanical tests of timber samples using photogrammetry method
Journal Article
Mohamed, A., Zhang, H., Deng, Y., Lehmann, M., Sigrist, C., Uheida, K., …Caudoux, R. (in press)
Performance study on mounting system for displacement transducer in mechanical tests of timber samples using photogrammetry method. Wood Material Science and Engineering, https://doi.org/10.1080/17480272.2021.1978107
This paper presents a unique study to reveal the effect of the mounting system of the linear variable differential transformer (LVDT) on the mechanical property tests of timbe...
Determining equivalent-sectional shear modulus in torsion tests for laminated glass beams using photogrammetry method
Journal Article
Uheida, K., Deng, Y., Zhang, H., Galuppi, L., Gao, J., Li, X., …Mohamed, A. (2021)
Determining equivalent-sectional shear modulus in torsion tests for laminated glass beams using photogrammetry method. Composite Structures, 276, Article 114572. https://doi.org/10.1016/j.compstruct.2021.114572
This paper proposes a concise concept for quantifying the shear/torsional stiffness of the laminated glass beams experimentally by introducing the Equivalent-Sectional Shear M...
Applicability of the Torsion Test and Photogrammetric Approach on Structural Timber Beams
Journal Article
Mohamed, A., Uheida, K., Quan, Y., & Zhang, H. (2021)
Applicability of the Torsion Test and Photogrammetric Approach on Structural Timber Beams. International Wood Products Journal, 12(3), 206-217. https://doi.org/10.1080/20426445.2021.1952047
The torsion test is recommended as a standard approach to determine the shear modulus of structural-size timber and glulam beams. However, there is a difficulty in measuring t...
Photogrammetric Evaluation of Glulam Timber Shear Modulus Using Torsion Test Method and Dual Stereo Vision System
Journal Article
Mohamed, A., Deng, Y., Zhang, H., Wong, S. H. F., Uheida, K., Zhang, Y., …Quan, Y. (2021)
Photogrammetric Evaluation of Glulam Timber Shear Modulus Using Torsion Test Method and Dual Stereo Vision System. European Journal of Wood and Wood Products, 79, 1209-1223. https://doi.org/10.1007/s00107-021-01729-8
The shear modulus of timber and timber-based composite materials is a fundamental me-chanical property which is used in the design of timber and engineered wood products. The ...
Topology optimization of multi-material structures with elastoplastic strain hardening model
Journal Article
Li, M., Deng, Y., Zhang, H., Wong, S. H. F., Mohamed, A., Zheng, Y., …Kuang, J. S. (2021)
Topology optimization of multi-material structures with elastoplastic strain hardening model. Structural and Multidisciplinary Optimization, 64, 1141-1160. https://doi.org/10.1007/s00158-021-02905-3
The paper presents a new multi-material topology optimization method with novel adjoint sensitivity analysis that can accommodate not only multiple plasticity but also multipl...
Photogrammetric and Stereo Vision Techniques for Evaluating Material Properties in Timber and Timber-Based Composite Structures
Thesis
Mohamed, A. S. Photogrammetric and Stereo Vision Techniques for Evaluating Material Properties in Timber and Timber-Based Composite Structures. (Thesis)
Edinburgh Napier University. Retrieved from http://researchrepository.napier.ac.uk/Output/462281
A fundamental requirement for efficient use of a glulam beam is an accurate knowledge of its mechanical behaviour and the material properties characterising that behaviour. It...
A Low Cost Non-Contact and Non-Destructive Method for Evaluating the Variation of the Shear Modulus for Glued Laminated Timber Beams using a Photogrammetric Approach
Conference Proceeding
Mohamed, A., Zhang, H., Smith, I., & Xiao, Z. (2015)
A Low Cost Non-Contact and Non-Destructive Method for Evaluating the Variation of the Shear Modulus for Glued Laminated Timber Beams using a Photogrammetric Approach. In Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computingdoi:10.4203/ccp.108.260
This paper presents the experimental studies performed to investigate the feasibility of the proposed photogrammetric system for torsion tests. In this study, two binocular st...
Evaluation of shear constant of timber glulam composite with photogrammetric approach
Conference Proceeding
Zhang, H., Mohamed, A., & Smith, I. (2017)
Evaluation of shear constant of timber glulam composite with photogrammetric approach. In Proceeding of the Fourteenth International Conference on Computing in Civil and Building Engineering
Shear constant of timber glulam materials plays an important role in structural modelling, such as lateral torsional buckling of the glulam beam, floor vibration and stabiliti...
Evaluation of the Shear Constant of a Timber Beam using a Photogrammetric Approach
Conference Proceeding
Zhang, H., Mohamed, A., & Xiao, Z. (2011)
Evaluation of the Shear Constant of a Timber Beam using a Photogrammetric Approach. In Y. Tsompanakis, & B. H. V. Topping (Eds.), Proceedings of the thirteenth international conference on civil, structural and environmental engineeringdoi:10.4203/ccp.96.164
The shear modulus is a fundamental mechanical property of wood that is used in general timber design [1,2,3]. Compared with other engineering materials, timber has relatively ...