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Register a new userStudying Linear Modulus of Elasticity For Clayey Soil
دراسة معامل المرونة الخطي للتربة الغضارية
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مجد سليمان المحمود( باحث )
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تم إجراء التجارب المخبرية على أنواع مختلفة من الترب الغضارية لتحديد معامل المرونة الخطي و لمقارنة النتائج مع تلك المستخرجة من تجربة صفيحة التحميل.
Laboratory program was conducted on different clayey soils to determine linear modulus of elasticity, and to compare the results with those concluded from field plate load testing.
References used
Inoue, S.(1988), Consolidation Behaviors of Compacted Soils Using Large Scale, Mie University
SEED, H.B. and K.L.LEE, (1967), Undrained Strength Characteristics of Cohesionless Soils, Journal of the Soil mechanic and Foundation Division, ASCE
Oh, W.T. and Vanapalli, S.K., (2011), The relationship between the elastic and shear modulus of unsaturated soils, University of Ottawa, Canada
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This search include making laboratory tests on sandy soil samples
,wich were taken from Damascus Suburb (Alkastal-Maarona-
Alsallema) and from Hama(Alsalameya), physical and clasificated
tests were made besides oedometer tests, two limited cases w
ere
studied :maximum loose and maximum dense for each soil.
Values of deformation modulus (Eoed) were determined from
oedometric compression curves at various compression levels, and
particle shape parameters (sphericity-roundness-elongation) were
founded for each soil then the experimental equations between
last parameters and deformation modulus were concluded.
In this research a study was carried out to evaluate the effect of
adding random distribution plastic waste fiber inside soil on the
geotechnical properties of clayey soil. The research is based on
experimental method through many stages.
In this research the influence of the fineness of natural
pozzolana and lime on the properties of compaction ,
unconfined compressive strength and linear shrinkage of
clayey soil was experimented the finessess of natural pozzolana
used in this re
earch were 3500,4000,4500 cm²/g , finessess of
lime 4000 , 5000 , 6000 cm²/g.
This research presents an empirical relationship between modulus
of elasticity with compressive strength concrete that is prepeard
from localized materials and containing several perecentages of
natural pozzolan (0 ,10 ,15, 20)% , also for tow cem
ent quantity
(350 ,400 ) Kg/m3 and for tow ages(28 ,90 ) day .Then comparing
the experimentally obtained result with the mechanical properties
calculated using the recommend relationship from the various
design codes. A new empirical relationship between elastic
modulus, and compressive strength for concrete containing natural
pozzolan is proposed.
Being critical, the stability of clayey soil, is a priority for the
civil engineer in constructions of roads and buildings. This
experimental study comes in the context of examination of the
effectiveness of menial stabilizers. Lime (L), Natural P
ozzolana
(NP), and Combinations of both, were examined to enhance the
characteristics of compaction, consistency and to restrict the
shrinkage behavior of clayey soil.
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