نتایج جستجو برای: soil reinforcements
تعداد نتایج: 182366 فیلتر نتایج به سال:
In this paper, a novel self-generating neuro-fuzzy system through reinforcements is proposed. Not only the weights of the network but also the architecture of the whole network are all learned through reinforcement learning. The proposed neuro-fuzzy system is applied to the inverted pendulum system to demonstrate its performance. Key-words: reinforcement learning, neural network, neuro-fuzzy sy...
1 Abstract The warpage characterizations of injection molded plastic parts are not standardized and very challenging due to its complex process. This paper presents a novel examination method of the deformation of injection molded plastic parts especially for fiber reinforced materials. A special, but simple part was introduced for the description of the effect of different technological parame...
The wear resistance mechanisms of a silicon carbide (SiC) paticulate reinforced Al–Li alloy composite at 250°C by a pyramidal indenter have been studied. It is found that the subsurface damages that control the wear resistance are: generation of dislocations and cracks in the SiC particles, interface debonding between matrix and reinforcements and plastic deformation of the matrix. © 1998 Elsev...
Shot peening (SP) was employed to modify the surface microstructure and mechanical properties of (TiB+TiC)/Ti-6Al-4V titanium matrix composite (TMC). And evolution were characterized analyzed in detail. Transmission electron microscopy (TEM) results illustrated that nanograins introduced by effect SP hindering reinforcements deformation. The formed near reinforcement/matrix interface because sq...
Future high performance structural and multifunctional composites may utilize continuous carbon nanotube reinforcements. The nano-scale interactions between carbon nanotubes and epoxy macromolecules in such composites open new areas of research and technology. Tensile mechanical tests and Dynamic Mechanical Analysis are used here for gaining an initial understanding of such interactions and exp...
I present a constructivist approach that is used in some TE mathematics classes at MSU. This approach employs exclusively a model of a 'mathematical situation', a set of physical operations and a physical language to reason about all students’ mathematical doings while a unique system of reinforcements, grading and assessment methods, support the learning experience.
Nowadays, the geotechnical design trend is increasingly heading towards serviceability limit state. However, current practice in of geosynthetic reinforced soil (GRS) walls mostly relies on ultimate Commonly available software programs provide typical factor safety values against various failure modes. With increasing height and variability GRS walls, deformation characteristics also become an ...
The stability of tunnel cross passages excavated in soft soil has always been a major challenge. In recent years, new techniques based on the installation pre-reinforcements before excavation have developed to control excavation-induced deformation and surface settlements. this paper, finite element numerical simulation was conducted study reduction effect an umbrella vault modelled as homogeni...
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