DECK ON PILE ANALYSIS ON LIQUEFIABLE SOILS STUDY CASE: STEAMPOWER PLANT IN CILACAP

• Main Author: Zachary, Zain
• Format: Theses
• Language: Indonesia
• Subjects: Teknik (Rekayasa, enjinering dan kegiatan berkaitan)
• Online Access: https://digilib.itb.ac.id/gdl/view/80503
• Institution: Institut Teknologi Bandung

Liquefaction occurs when soil substantially loses its layer's strength because of pore water stress that arises due to repeated (cyclical) loads, such as earthquakes. Saturated soil usually has potential to experience liquefaction since the space between its individual particles is completely filled with water. Thereby, when a vibration occurs, all voids in the soil are filled with water and causing the grains in the soil to easily shift. The deck on pile system is a dock system that rests on piles as a transfer of the superstructure load to the foundation soil. This study aims to analyze the piles on the pier on the ground that have liquefaction potential. Liquefaction can cause pile instability, wherein the pile drops to its initial state or deflects. The potential of liquefaction is carried out at early stage in each soil layer, before interaction between the soil and the pile is calculated in the form of p-y curve, t-z curve, and q-z curve. Moreover, the largest load on the pile is calculated by using SAP2000 software. Loads that occur on the pier such as wave loads, berth loads, and others are used as input for SAP2000 software, so that the load on the superstructure approaches field conditions. After getting the largest load on the pile, carrying capacity of the pile is subsequently calculated to get a length of the required pile.