XFEM simulation of the influence of cracking introduced by pre-loading on the strengthening of a cement treated mixture

• Autorzy: Brzeziński K.

Identyfikatory

DOI

10.15632/jtam-pl.56.4.927

• Języki publikacji: EN

Abstrakty

EN

The paper attempts to explain the phenomenon of a static strength increase due to the previous cyclic loading. Finite Element Method simulation of the potential strengthening mechanism is presented. The crack growth is controlled by the energy criterion used in the linear fracture theory. A wedge splitting test has been performed in order to determine the critical energy release rate of the tested mixture GIC . It was observed that the appearance of additional cracks in the material may lead to an increase of its strength. Analysis of the tensile stress distribution allows for a qualitative explanation of the observed phenomenon.

Słowa kluczowe

EN

fatigue life; cement-treated base layers; strengthening effect; load history; XFEM

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2018
• Tom: Vol. 56 nr 4
• Strony: 927—938
• Opis fizyczny: Bibliogr. 31 poz., rys., tab.

Twórcy

autor

Brzeziński K.

• Warsaw University of Technology, Faculty of Civil Engineering, Institute of Roads and Bridges, Warsaw, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).