نتایج جستجو برای: geotechnical parameters

تعداد نتایج: 581641  

Journal: :International Journal of Advanced Engineering Research and Science 2019

Journal: :Data 2022

One of the main constraints in assessing shallow landslide hazards through physically based models is need to characterize geotechnical parameters involved materials. Indeed, quantity and quality input data are closely related reliability results every model used, therefore acquisition a critical time-consuming step research activity. In this perspective, we reviewed all official certificates t...

Journal: :اکو هیدرولوژی 0
مجید خزایی دانشجوی دکتری آبخیزداری دانشگاه هرمزگان احمد نوحه گر استاد دانشکدۀ محیط زیست دانشگاه تهران رسول مهدوی نجف آبادی عضو هیئت علمی آبخیزداری دانشگاه هرمزگان عبدالرسول تلوری سازمان جنگل‏ها و مراتع و آبخیزداری کشور

the vital need for river management is understood and predict of bank erosion processes. almost models will not be able to evaluate bank erosion,accurately. bstem model is the most usable model in many of river engineering projects in the world. necessary data for this model are related to driving and resisting forces controlled by hydraulic and geotechnical processes. these data include geomet...

پایان نامه :دانشگاه بین المللی امام خمینی (ره) - قزوین - دانشکده علوم پایه 1392

in this thesis,spin dependend transport and electron transport through of ng/sg(graphene/ superconductor graphen) are studied in the junction of ng/fgt/sg. due to andreev reflection conductance increases in the presence of superconductor graphene.also, by applying a voltage gate on a superconductor, fermi level shifts and the conductance is independent of ferromagnatic substrate. also, the cond...

ژورنال: علوم آب و خاک 2015
سلطانیان, سمانه , عابدی کوپایی, جهانگیر , قیصری, مهدی ,

Lack of knowledge on soil geotechnical properties can cause many problems in the construction and maintenance of irrigation and drainage networks. In general, all of unconventional soils such as gypsiferous soils can cause some problems to irrigation canals. Some studies have been conducted on a variety of problematic soils, but still there is a need for more research activities and field studi...

Hossein Entezari Zarch Kazem Barkhordari,

During wars and crises, the underground tunnels are used as a safe space. Therefore, the stability and safety of them under a blast is of particular importance. In this paper, the Finite Difference Method has been used to study the influence of the change in geotechnical parameters and depth on surface blasting on subway tunnels. Results showed that increasing the internal friction angle, modul...

2013
Liang Cheng Ralf Cord-Ruwisch Mohamed A. Shahin Liang CHENG

4 A newly emerging microbiological soil stabilization method, known as microbially 5 induced calcite precipitation (MICP), is tested for geotechnical engineering 6 applications. MICP is a promising technique that utilizes the metabolic pathways of 7 bacteria to form calcite precipitation throughout the soil matrix, leading to an increase 8 in soil strength and stiffness. This paper investigates...

2013
B. M. Patil K. A. Patil

This paper deals with use of pond ash and RBI Grade 81 for improvement in CBR values of clayey soil and grade-III materials used for base course of flexible pavement. The pond ash is a thermal power plant waste and RBI Grade 81 is chemical soil stabilizer. The geotechnical properties like Maximum Dry Density (MDD), Optimum Moisture Content (OMC), Unconfined Compressive Strength (UCS), CBR value...

2016
Truong Minh Hoang Nguyen van Lap Ta Thi Kim Oanh Takemura Jiro

The aim of the study was to characterize a variety of microstructure development-levels and geotechnical property sequences of the late Pleistocene-Holocene deposits in the Mekong River delta (MRD), and the paper furthermore discusses the influences of delta formation mechanisms on them. The survey associated the geotechnical engineering and the sedimentary geology of the late Pleistocene-Holoc...

Journal: :Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA 2006
Teik-Thye Lim J Chu

The shortage of waste landfill space for waste disposal and the high demand for fill materials for land reclamation projects in Singapore have prompted a study on the feasibility of using spent copper slag as fill material in land reclamation. The physical and geotechnical properties of the spent copper slag were first assessed by laboratory tests, including hydraulic conductivity and shear str...

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