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Pei-Shan Chen
Department of Civil and Architectural Engineering, Kyushu Institute of Technology, Kitakyushu 804-8550, Japan

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Journal article
Published: 23 July 2021 in Crystals
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This paper proposes a new type of lightweight concrete called bubble concrete, which was developed by mixing concrete with high-strength hollow bodies. In the present study, concave and spherical steel hollow bodies were used not only to form multiple cavities in the concrete but also to transfer internal stresses. Through compression tests, the shape effects and distribution effects of the hollow bodies on the strength and Young’s modulus of concrete were investigated. In addition, the mechanical characteristics of the bubble concrete were simulated by nonlinear elastoplastic finite element analysis to study the stress distribution and failure mechanism. The results indicate that with the proper combination, bubble concrete can reduce its density to 1.971–2.003 g/cm3 (83.3–84.7%, compared to control concrete) and its strength reaches 27.536–28.954 N/mm2.

ACS Style

Xiangdong Yan; Pei-Shan Chen; Amin Al-Fakih; Baoxin Liu; Bashar Mohammed; Jialiang Jin. Experiments and Mechanical Simulation on Bubble Concrete: Studies on the Effects of Shape and Position of Hollow Bodies Mixed in Concrete. Crystals 2021, 11, 858 .

AMA Style

Xiangdong Yan, Pei-Shan Chen, Amin Al-Fakih, Baoxin Liu, Bashar Mohammed, Jialiang Jin. Experiments and Mechanical Simulation on Bubble Concrete: Studies on the Effects of Shape and Position of Hollow Bodies Mixed in Concrete. Crystals. 2021; 11 (8):858.

Chicago/Turabian Style

Xiangdong Yan; Pei-Shan Chen; Amin Al-Fakih; Baoxin Liu; Bashar Mohammed; Jialiang Jin. 2021. "Experiments and Mechanical Simulation on Bubble Concrete: Studies on the Effects of Shape and Position of Hollow Bodies Mixed in Concrete." Crystals 11, no. 8: 858.

Journal article
Published: 06 March 2020 in Applied Sciences
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This research is aimed at investigating the dynamic behaviour of, and to analyse the dynamic response and dynamic performance of steel frames strengthened with welded haunches subjected to a typical hydrocarbon blast loading. The structural dynamic analysis was carried out incorporating the selected blast load, the validated 3D model of the structures with different welded haunch configurations, steel dynamic material properties, and non-linear dynamic analysis of multiple degree of freedom (MDOF) structural systems. The dynamic responses and effectiveness of the reinforced connections were examined using ABAQUS finite element software. Results showed that the presence of the welded haunch reinforcement decreased the maximum frame ductility ratio. Based on the evaluation of the results, the haunch reinforcements strengthened the selected steel frame and improved the dynamic performance compared to the frame with unreinforced connections under blast loading, and the biggest haunch configuration is the “best” type.

ACS Style

Mustafasanie M. Yussof; Jordan Halomoan Silalahi; Mohd Khairul Kamarudin; Pei-Shan Chen; Gerard A. R. Parke. Numerical Evaluation of Dynamic Responses of Steel Frame Structures with Different Types of Haunch Connection Under Blast Load. Applied Sciences 2020, 10, 1815 .

AMA Style

Mustafasanie M. Yussof, Jordan Halomoan Silalahi, Mohd Khairul Kamarudin, Pei-Shan Chen, Gerard A. R. Parke. Numerical Evaluation of Dynamic Responses of Steel Frame Structures with Different Types of Haunch Connection Under Blast Load. Applied Sciences. 2020; 10 (5):1815.

Chicago/Turabian Style

Mustafasanie M. Yussof; Jordan Halomoan Silalahi; Mohd Khairul Kamarudin; Pei-Shan Chen; Gerard A. R. Parke. 2020. "Numerical Evaluation of Dynamic Responses of Steel Frame Structures with Different Types of Haunch Connection Under Blast Load." Applied Sciences 10, no. 5: 1815.