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Register a new userThe Influence Of The Fineness Of Lime And Natural Pozzolana Additives On Some Geotechnical CharacteristicsOf Clayey Soil
تأثير نعومة إضافات الكلس و البوزولانا الطبيعية على بعض الخواص الجيوتكنيكية للتربة الغضارية
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ابراهيم حمود( باحث )
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هدف البحث إلى اختبار تأثير نعومة البوزولانا الطبيعية و الكلس على خواص : الرص، القوام، القص و الانكماش الخطي للتربة الغضارية، إن النعومات المستخدمة للبوزولانا الطبيعية في هذه الدراسة تم تقديرها بالسطح النوعي حسب تجربة بلين و هي على الترتيب 2500 ، 3500 , 4500 (cm2/g) أما نعومات الكلس فكانت على الترتيب 5000 , 4000 , 6000 (cm2/g).
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 reearch were 3500,4000,4500 cm²/g , finessess of lime 4000 , 5000 , 6000 cm²/g.
References used
SAKER MA. METWALLY YM.(2009).Utilization of lime for stabilization soft clay soil of high organic content, Geotechnical Geological Engineering, 27: 105-113
MALLELA, J, HAROLD VON QUINTUS P., SMITH KL. CONSULTANTSE (2004).Consideration of limestabilization layers in mechanistics-emprical design. The National Lime Association, Virginia, USA
BELL FG (1989).Lime stabilization of clay soils, Bulletin of the international Association of Engineering Geology, Nr. 39, Paris
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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.
The ideal selection of raw materials in manufacturing process is a very important step to
develop this process and to improve the product. For this purpose, we search for initial
parameters to guide us in using clay materials (wherever it locate) i
n ceramic industry. These
parameters depend on physical properties of clay (Atterberg Limits). We follow experimental
and analytical methods for laboratories tests applied or clay, and for ceramic samples tests. We
deduct initial parameters which determine technical specification values for ceramic product,
and we derived mathematical formulas between clay properties and technical specification for
ceramic product. These parameters and formulas help us to achieve ideal investment for clay
ambushes either as pure raw materials or with suitable additives to reach on acceptable value
for water absorption of ceramic product which, at the end, specify the type of product according
to international specification.
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.
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.
In this research an experimental study has been carried out
to investigate the enhancement of Bosra Alsham´s soil (120 km
south Damascus) by using crushed glass wastes additives by using
experimental approach. The soil samples were taken from Bosr
a
(2m underground surface), which is classified as highly plastic
clayey soil CH according to unified classification.
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