نتایج جستجو برای: arching effect
تعداد نتایج: 1642107 فیلتر نتایج به سال:
Canonical subjects of eventive predicates are agentive and animate—so goes one of the over-arching, and idealized, generalizations of argument realization1. As robust as this generalization is, caveats are always made (e.g. Comrie 1989:107,128), in part due to a set of recalcitrant counter-examples, known as “instrumental subjects”, which violate this generalization on both counts. A paradigm c...
A series of physical modeling tests were conducted by means of a beam type geotechnical centrifuge machine in order to investigate the drainage impact on the slope failure mechanism under centrifugal acceleration. Meanwhile, the phenomenon of stress redistribution in undercut slopes and the formation of arching effect were studied. For this purpose, a poorly graded sandy soil (Silica sand No. 6...
Three-dimensional numerical analyses using the discrete element method are conducted to investigate several fundamental aspects related soil-structure interaction and mobilization mechanisms in geosynthetic-reinforced pile-supported embankments. The contributions of soil arching, tensioned membrane effect, friction interaction, subsoil support, punching failure investigated. results indicated t...
The deformation patterns and failure mechanisms of pressurised cavities at shallow depth are relevant to many geotechnical applications, including tunnelling horizontal directional drilling. In this paper, an experimental study a reduced-scale cavity under geostatic stress is presented, in order measure the effect length, vertical soil density on failure. X-ray computed tomography used acquire ...
In guinea-pigs, the oral and subcutaneous LD50 values were very similar (cf. 0,173 mg/kg over 48 h with 0,116 mg/kg over 24 and 48 h). When dosed subcutaneously, a cumulative effect was observed. Intravenous administration of cotyledoside to anaesthetized guinea-pigs resulted in: dyspnoea, increased heart rates and blood pressures, and electrocardiagraphic changes typical of cardiac glycoside p...
In order to deeply study the mechanism of prestressed anchor anti-slide pile, an indoor model experimental device was developed, and a finite difference particle flow numerical analysis slope cable pile established based on reinforcement project in mountain road slope. Based force displacement characteristics influence prestress cable, inclination angle width column spacing landslide, height na...
current studies in second language (l2) learning have revealed the positive role of corrective feedback (cf) in both oral and written forms in different language features. the present study was an attempt to investigate the effect of both direct and indirect written corrective feedback (wcf) on the use of grammatical collocations in l2 writing. the study also sought to examine whether the effec...
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