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Register a new userPhysical and mechanical properties of clayey soil reinforced with random distribution plastic waste fiber
الخواص الفيزيائية و الميكانيكية للتربة الغضارية المسلحة بألياف النفايات البلاستيكية الموزعة عشوائيا
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في هذا البحث تمت دراسة أثر إضافة ألياف النفايات البلاستيكية الموزعة عشوائيا داخل التربة على الخواص الجيوتكنيكية للتربة الغضارية. البحث يعتمد المنهجية التجريبية من خلال عدة مراحل.
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.
References used
ArpanLaskar ,Sujit Kumar Pal , 2013- effects of waste plastic fibres on compaction and consolidation behavior of reinforced soil , Electronic J. of GeotechEng ,Vol. 18, bund.H, 1547-1557
Mona Malekzadeh ,Huriye Bilsel 2012- effects of polypropylene fiber on mechanical behaviour of expansive soil , Electronic J. of Geotech Eng., Vol. 17 , bund. A, 55-62
Rabindra Kumar Kar ,Pradip Kumar Pradhan , AshutohNaik (2012) “consolidation characteristics of fiber reinforced cohesive soil”, Electronic J. of Geotech Eng., Vol. 17 , bund. Z, 3861- 3874
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As a result of the development of the use of reinforced Composites with fibers in
practical applications continuously, research aims to study the effect of proportion piroxide
additives to unsaturated polyester resin on the tensile properties of th
e samples prepared
from unsaturated polyester resin reinforced with glass fiber used in wind turbine blades
manufacturing, and also studying the effect of for the application of heat treatment
operations on the hardening of the unsaturated polyester and tensile properties after heat
treatment process the application in order to improve the properties of these blades.
Test samples were prepared containing ratios (1% - 1.5% - 2%) of methyl Etel
ketone piroxide MEKP and test results showed that the best ratio at 1.5%. While the heat
treatment results showed that the best values for tensile strength at break of the samples are
treated to a time of / 48 hours /.
This research includes an experimental study for the manufacture of
a composite material based on polymer (unsaturated polyester),
reinforced with random fiberglass at different weight fractions. By
suite, it has been studied some mechanical prope
rties of the models
manufactured, to determine the effect of glass fiber content on the
tensile strength, hardness and impact resistance. This study has
shown that the best results were for samples reinforced by 40%
fiberglass, where the tensile strength increased about 70%, hardness
up to 30%, and impact resistance about 43%. It will be observed
that the mechanical properties decrease clearly at 60% of weight
fraction of fiberglass. This fact can be related to the quantity of
unsaturated polyester become inadequate for recharge of the fibers,
which leads to weakness in the forces bonding in composite
materials.
The results showed the possibility of getting at a wide rang of board with different properties, and all investigated percentage had special properties which to use in industrial application, also the result showed the possibility to produce these bo
ard without pretreatment of particles wood or without addition any virgin plastic to RLDPE
The results showed the possibility of getting of a wide spectrum of boards with different properties, and all studied percentages had special properties which allow them to use in industrial application, also the result showed the possibility to produce these boards without treatment of the wood particles or without addition any virgin plastic to RLDPE
This study was conducted during the 2011-2012 and 2012-2013 seasons in
Abu-Jarash orchards area in Damascus to identify the effect of improved
organic materials as sludge, manure and compost in improving some soil
physical characteristics and whea
t productivity. Results showed that the three
types of organic material affected the physical characteristics of the studied
soil. They decreased its bulk density, increased its total porosity and increased
its ability of holding water at field capacity. Results also showed that the
compost of city wastes was the best in improving soil physical properties. The
three organic materials, particularly the sludge increased the total productivity
of wheat (Sham3).
Thepaper studies the mechanical properties ofsteel fibers reinforced lightweight
concrete.This kind of concrete is produced by usingscoria aggregateswhich can be found
abundantly in Syria. Thelightweight concrete mixeswere designed for three differ
ent
percentage of steel fibers (0, 0.5, 0.75)%.
Different tests were performed to determine mechanical properties of product
concrete such as compressive strength, elasticity modulus, splitting tensile strengthand
flexural strengthalso; the stress–strain diagram of produced lightweight concrete was
established under compression.
The results showedanincrease of the compressive, splitting tensile and flexural
strengths reach up 16.9%, 25.6%, and 53.6% respectivelywhen the steel fibers were used.
Also the results indicated the importance of using the steel fibers to improve the
performance of concrete and change its brittle behavior to ductile behavior.
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