cyclic behaviour
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2022 ◽  
Vol 190 ◽  
pp. 107089
Author(s):  
Qihan Shen ◽  
Fengqin Wang ◽  
Jingfeng Wang ◽  
Xianfeng Ma

2022 ◽  
Vol 320 ◽  
pp. 126053
Author(s):  
Larisa Garcia-Ramonda ◽  
Luca Pelà ◽  
Pere Roca ◽  
Guido Camata

Fibers ◽  
2022 ◽  
Vol 10 (1) ◽  
pp. 8
Author(s):  
Johanna Dorothea Luck ◽  
Milad Bazli ◽  
Ali Rajabipour

Using fibre-reinforced polymers (FRP) in construction avoids corrosion issues associated with the use of traditional steel reinforcement, while seawater and sea sand concrete (SWSSC) reduces environmental issues and resource shortages caused by the production of traditional concrete. The paper gives an overview of the current research on the bond performance between FRP tube and concrete with particular focus on SWSSC. The review follows a thematic broad-to-narrow approach. It reflects on the current research around the significance and application of FRP and SWSSC and discusses important issues around the bond strength and cyclic behaviour of tubular composites. A review of recent studies of bond strength between FRP and concrete and steel and concrete under static or cyclic loading using pushout tests is presented. In addition, the influence of different parameters on the pushout test results are summarised. Finally, recommendations for future studies are proposed.


Author(s):  
Siya Rimoy ◽  
Matias Silva ◽  
Richard J. Jardine

Uncertainties regarding the axial cyclic behaviour of piles driven in sands led to an extended programme of calibration chamber instrumented pile experiments. Broad trends are identified and interpreted with reference to normalised cyclic loading parameters Qcyclic/QT, Qmean/QT and N. Cyclic damage is shown to be related to changes in the radial effective stress regime close to the shaft. While stable loading leads to little or no change as cycling continues in the sand masses’ effective stress regime, high-level cyclic loading can affect stresses far out into the sand mass. The test systems’ chamber-to-pile diameter ratio has a significant impact on outcomes. Piles installed in loose, fine, sand are far more susceptible to cyclic loading than in denser, coarser sand. Little or no change in pile stiffness was seen in tests that remained within the stable cyclic region, even over 10,000 or more cycles. Unstable tests lost their stiffness rapidly and metastable cases showed intermediate behaviours. The permanent deflections developed under cycling depend on the combined influence of Qcyclic/QT, Qmean/QT and N. While model tests provide many valuable insights into the behaviour of piles driven in sand, they are unable to capture some key features observed in the field.


2022 ◽  
Vol 188 ◽  
pp. 107010
Author(s):  
Wenchen Lie ◽  
Congxiao Wu ◽  
Weili Luo ◽  
Changgen Wu ◽  
Changhong Li ◽  
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2022 ◽  
Vol 251 ◽  
pp. 113529
Author(s):  
Christoph de Sousa ◽  
Joaquim A.O. Barros ◽  
João R. Correia

Structures ◽  
2022 ◽  
Vol 35 ◽  
pp. 939-957
Author(s):  
Ines Torra-Bilal ◽  
Mustafa Mahamid ◽  
Eray Baran

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