نتایج جستجو برای: stone column
تعداد نتایج: 99330 فیلتر نتایج به سال:
The preservation, documentation, and transmission of archaeological artifacts, which are also defined as heritage, can be accepted the common responsibility humanity. To document cultural status historical artifacts should known. photogrammetry technique has been commonly used in documentation heritage parallel with technological developments recently. In addition to producing map topographic p...
Because of the smaller confinement neighbouring soil in very weak soils, carrying capacity stone columns may not substantially increase. Geosynthetics can be used to reinforce by employing vertical encasement or horizontal layers. In present study, large-scale laboratory investigations were carried out evaluate efficacy and layering geosynthetics on performance behaviour soft clay. A series tes...
This study used a finite element analysis approach employing Plaxis 3D to analyze the stress concentration ratio, critical parameter in geotechnical engineering, examine stresses operating on stone columns and soft soils. also looked at effect of stiffness ratio between column neighboring soil. With same length three different diameters, 0.8 m, 1.0 1.2 or area replacement ratios ranging from 7%...
Background and purpose: In order to design an industrial-scale adsorption process, it is necessary to model exact simulation of the dynamic behavior of fixed bed adsorption system. This study aimed at evaluating the performance of fixed bed column using sucrose-modified pumice in removal of metronidazole from aqueous phase. Materials and methods: In this experimental study, the adsorbent was p...
attempts have been made to study the thermodynamic behavior of 1,3 butadiene purification columns with the aim of retrofitting those columns to more energy efficient separation schemes. 1,3 butadiene is purified in two columns in series through being separated from methyl acetylene and 1,2 butadiene in the first and second column respectively. comparisons have been made among different therm...
Abstract Background and aims: Manual material handling activities in long and short periods may lead to complications such as laceration, fracture, cardiovascular stress, muscle fatigue, and musculoskeletal disorders especially in the vertebrae column. The purpose of this study was to assess ergonomic risk factors in workers of a stone cutting industry and the impact of ergonomic inter...
A new species of Numbakulla Guţu & Heard, 2002 (Tanaidacea) is described from Heron Island (southern Great Barrier Reef, Queensland) collected during the Census of Coral Reefs Ecosystem (CReefs) program. The new species is the third member of the family and can be recognized by the combination of characters as: length/width ratio of the body, which is 6:7, pereonite 4 longer than the rest, the ...
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