RT Journal Article
T1 The Load-Bearing Mechanism of Rock-Socketed Piles Considering Rock Fragmentation
A1 Zhao, Xiaolin
A1 Shen, Yupeng
A1 Melentijevic Devetakovic, Svetlana
A1 Sun, Zengkui
A1 Wang, Kaiyuan
A1 Xu, Jincui
A1 Li, Zhiqiang
AB Based on the random distribution patterns of rock fragmentation (RF), a concrete–rock shear model (CRSM) considering RF was developed through the application of statistical theory. The significance and determination methods of the model parameters were elucidated. A comparison of the results based on the CRSM with and without consideration of RF with the experimental results from the concrete–rock shear test was performed, revealing a closer alignment for the model considering RF. This model effectively characterizes the yield deformation phase and the strain softening phase in the concrete–rock shear process. By utilizing load transfer theory and the CRSM considering RF, a differential equation of load transfer for rock-socketed piles (RSPs) considering RF was formulated by applying the Runge‒Kutta method. Considering RF, the pile top load versus settlement curves and the pile–rock relative displacement (sp‒r) versus pile side friction (τp‒r) curves exhibited a closer alignment with the results of full‒scale static load tests. The linear elastic deformation phase and the yield deformation phase of the sp‒r versus τp‒r curves were accurately characterized. In addition, a sensitivity study of the parameters was undertaken to analyse their effects on the concrete–rock shear mechanism and the load-bearing mechanism of RSPs.
PB Springer
SN 0723-2632
YR 2024
FD 2024-06-26
LK https://hdl.handle.net/20.500.14352/110496
UL https://hdl.handle.net/20.500.14352/110496
LA eng
NO Zhao, Xiaolin, et al. «The Load-Bearing Mechanism of Rock-Socketed Piles Considering Rock Fragmentation». Rock Mechanics and Rock Engineering, vol. 57, n.o 11, noviembre de 2024, pp. 10071-97, https://doi.org/10.1007/s00603-024-04041-y
NO Beijing Jiaotong University
NO National Natural Science Foundation of China
NO Basic Operating Expense of Universities
DS Docta Complutense
RD 11 abr 2025