الفهرس 
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Abstract
The thesis studied the influence of constructing a high rise
building (H.R.B.) on a near-by small building (S.B.) .
The analysis was done using two methods ”Ohd e method” and
,.Finite E lemen t method” .
Analysis of rectangular rafts was done using
where the foundation soil was considered elastic •
homogeneous and finite or infinite mass . A computer
prepared for that purpose .
Analysis of circular rafts using the finite element method
considers the H.R.B. foundation as a circular raft inside a hollow
circular strip foundation of the S.B. ”an axisymmetric problem”
The foundation soil was considered elastic or elasto-plastic
according to Mohr Coulomb theory . An interface element of certain
normal and tangential stiffness between the foundation and soil
was chosen to account for the error resulting from the assumption
of complete adhesion A computer program was used for that
purpose· .The elasto-plastic contour pattern resulted in the soil
mass at different load increments was defined for different soil
types and conditions . .
The contact pressure under the foundation I soil settlement
and the bending moment created at the S.B. foundation before and
after construction of H.R.B. were predicted through a study of the
main factors affecting the S.B. such as foundation rigidity .
foundation dimensions I foundation depth : intermediate distance
between H.R.B. and S.B. and also the soil type. The idea of the·
presence of an artificial rigid sheet pile wall (S.P.W.) between
the H.R.B. and the S.B. foundations to reduce resulted new
settlement under the S.B. was also studied.
Ohde method
isotropic
program was