نتایج جستجو برای: california bearing ratio
تعداد نتایج: 632305 فیلتر نتایج به سال:
The rapid growth in population and industrialization cause generation of large quantities of effluents. The bulk effluents generated from industrial activities are discharged either treated or untreated over the soil leading to changes in soil properties causing improvement or degradation of engineering behaviour of soil. If there is an improvement in engineering behaviour of soil, there is a v...
STUDY OBJECTIVE The male sex ratio at birth (or the proportion of male births in a population) has been suggested as a sentinel environmental health indicator. Usually around 51%, the proportion may be dramatically decreased in offspring of persons with chemical exposures. Recent publications from the USA and elsewhere have noted a small but apparently declining male birth proportion, suggestin...
Plastic waste (PW) constitutes a nuisance to our environment despite several efforts reduce, reuse and recycle it. This study experimentally explores the possibility of storing plastic within cement-stabilised soil that can be used as road pavement layer material without adversely affecting geotechnical characteristics stabilised soil. The is an A-2-6 soil, according classification by American ...
This study investigates the stabilizing effects of Halloysite nanotubes on geotechnical features gypseous soil as a subgrade. The that was utilized for this collected from Ayn al-Tamr in Karbala City, southwest Iraq, having an average gypsum 30% and designated (SP) by (USCS). As percentage dry unit weight soil, mixed with small amount nanomaterial (Halloysite nanotubes). A set physical chemical...
The Beshgaz manganese-bearing veins are located in ~45 km northeast of Birdjand, South-Khorasan, and east of Iran. These veins with 0.1-1.5 m thickness and 4-7 m length are engulfed discordantly within Paleocene (Eocene-Oligocene) volcanic-pyroclastic rocks. The host of Mn-bearing veins are dacite to rhyo-dacite tuff, lapilli tuff with andesitic and andsi-basaltic fragments in shear zones. The...
Resilient modulus and California Bearing Ratio (CBR) in unbound granular materials are the key technical characteristics of layers in a flexible pavement design. Among the factors affecting these two parameters, the aggregate gradation is the most important. Using particle size distribution curve developed by AASHTO, together with other considerations mentioned in the related regulations have y...
According to an extensive evaluation of published studies, there is a shortage research on systematic literature reviews related machine learning prediction techniques and methodologies in soil improvement using green materials. A review suggests that algorithms are effective at predicting various characteristics, including compressive strength, deformations, bearing capacity, California ratio,...
This paper present the investigation of possible causes incessant road failure associated with subgrade soils Niger delta using mineralogical and geotechnical properties assessment. Geotechnical revealed clayey sand form bulk composed generally fine to medium grains low intermediate plasticity. Based on AASHTO soil classifies as A-2 A-6 granular being dominant. The average values obtained for C...
1 Sialylneolacto-N-tetraose c (LSTc)-bearing liposomal decoys capture influenza A virus* Gabriel L. Hendricks, Kim L. Weirich, Karthik Viswanathan, Jing Li, Zachary H. Shriver, Joseph Ashour, Hidde L. Ploegh, Evelyn A. Kurt-Jones, Deborah K. Fygenson , Robert W. Finberg, James C. Comolli, and Jennifer P. Wang ¥‡ 1 From the Department of Medicine, University of Massachusetts Medical School, Worc...
objective: selection of sperm for intra-cytoplasmic sperm injection (icsi) is usually considered as the ultimate technique to alleviate male-factor infertility. in routine icsi, selection is based on morphology and viability which does not necessarily preclude the chance injection of dna-damaged or apoptotic sperm into the oocyte. sperm with high negative surface electrical charge, named “zeta ...
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