Testing of laterally loaded piles in natural sandy gravels (CROSBI ID 223216)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Jagodnik, Vedran ; Arbanas, Željko
engleski
Testing of laterally loaded piles in natural sandy gravels
In this paper, the authors present the results of field tests on a single laterally loaded pile and two piles in line. Bored reinforced concrete piles with a diameter of 0·25 m and a depth of 5 m were constructed in natural sandy gravels. The lateral loading on a head of tested piles is applied using a hydraulic press with a maximum force of 500 kN. A single pile and two piles in line were incrementally loaded with a controlled head displacement of 2 mm until the ultimate capacity of the pile was attained. The deflections of the piles were measured using an inclinometer probe through inclinometer casings installed in the axes of the piles. The results are analysed and approximated using the Fourier series and the Cesáro sum technique. The measurements are compared using a three-dimensional finite- element method and Rocscience RS3 software, whereas the modelling soil and pile material are compared using simple constitutive laws. The comparison results of the measured and computed deflections of the piles correlate, which indicates that granular materials, such as sandy gravels, provide acceptable approximation and can be modelled using simple constitutive laws.
computational mechanics foundations granular materials
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Podaci o izdanju
15 (4)
2015.
191-208
objavljeno
1346-213X
10.1680/jphmg.14.00010