#TITLE_ALTERNATIVE#

• Main Author: Darjanto (NIM:250.92.047), Helmy
• Format: Theses
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/8071
• Institution: Institut Teknologi Bandung

Abstract: <br /> <br /> <br /> <br /> <br /> Field observations show that dynamic response of foundations exhibits non-linear behaviour. Non-linearity of the dynamic response of foundation is caused by contact effects that can be found in the form of (1) slip or (2) prestressing. This non-linearity may dictate the amount of vibration amplitude and may be aproximated by using a weak zone or strong zone in order to model slip (gap) or backfill compaction. <br /> <br /> <br /> <br /> <br /> Analysis for the weak zone and the strong zone is performed by utilizing Novak s theory. The theory is developed for simulating a contact effect and by assuming that soil is a viscoelastic medium. It is numerically solved through the finite element analysis. Dynamic parameters that area required in order to model the contact effects include : thickness, shear modulus, damping and Poisson s ratio of the weak zone or strong zone. <br /> <br /> <br /> <br /> <br /> Analysis using weak zone or strong zone is verified by results of full scale tests perfomed by Gle (1981). He observed that non-linear behaviour from soil-pile interaction occured during laterally dynamic loading.