الفهرس 
chapter 1Only 14 pages are availabe for public view
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Abstract
Marine structures are defined as a human made structures which are
constructed for the purpose of port facilities and/or protecting the
coastline, This research focus on studying and analyzing the stability of
an important type of marine structure which is: Hollow concrete block
quay wall, optimum design and stability of pre-cast concrete blocks quay
walls is investigated. The purpose of this investigation is to verify the
possibility of optimizing the dimensions of the block quay wall using the
hollow blocks instead of solid one by obtaining the resulting benefits of
this replacement. GEO5 software had been used for the purpose of
determining structures stabilities against overturning and sliding for the
studied quay walls to estimate the factor of safety for all structure and at
each block interface and also determining the bearing pressures exerted
by the quay wall to the existing ground for structural elements under all
load combinations for all stages of optimization and using these pressures
in hansen’s equations for studying the stability of the block quay wall
against foundation failure (bearing capacity). SLOPE/W software had
been used also for studying the stability of block quay walls to estimate
the factor of safety against slip failure.