Beyond Standardization: Accounting for Gripping System Effects to Improve Geosynthetic Interface Characterization - Richard
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One of the critical factors in preventing failures of structures that consist geosynthetics is the use of appropriately characterized geosynthetic interface shear friction in the theoretical design of the structure. The interface shear friction parameters such as the frictional angle and adhesion must, therefore, first be determined. The interface friction angle and adhesion are measured in the laboratory mainly using the direct shear apparatus in accordance with ASTM-D5321 and ASTM-D6243 standards (Sikwanda et al. 2018). Although these laboratory tests are standardized, the quality of the…mehr

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Produktbeschreibung
One of the critical factors in preventing failures of structures that consist geosynthetics is the use of appropriately characterized geosynthetic interface shear friction in the theoretical design of the structure. The interface shear friction parameters such as the frictional angle and adhesion must, therefore, first be determined. The interface friction angle and adhesion are measured in the laboratory mainly using the direct shear apparatus in accordance with ASTM-D5321 and ASTM-D6243 standards (Sikwanda et al. 2018). Although these laboratory tests are standardized, the quality of the results can be largely affected by several factors such as specimen gripping systems, shearing rate, applied normal stress, and the type of geosynthetic test specimens (Fox & Stark 2004). Among these factors, the former is considered to be a major source of dissimilarities in the results (Fox & Kim 2008). This is because when the geosynthetic being tested is not sufficiently secured to the shearing blocks by the gripping system, it experiences progressive failure and shear strength that deviates from the actual field performance (Fox et al. 2004). This could lead to unsafe, cost ineffective, etc. design of projects with the respective geosynthetic materials. This research, therefore, was undertaken to investigate the effects of the specimen gripping system on shear strength at the geosynthetic/geosynthetic interface using a direct shear device.
Autorenporträt
Professor Dr. Richard, for your History of Sound course, I propose "Connecting With Sounds: A Network History." This book explores how technology has fundamentally transformed our relationship with sound. We'll delve into the history of audio technologies ¿ from the phonograph to the internet ¿ and analyze how communication networks have revolutionized how we create, share, and experience music. From the rise of global music cultures to the impact of radio and the internet on soundscapes, "Connecting With Sounds" explores how technology facilitated the exchange of sounds across continents. But this book goes beyond the technical. We'll analyze the social and cultural impact of networked sound, exploring its role in historical events, the influence of social media on music discovery, and the rise of online communities that reshape how we experience music. "Connecting With Sounds" dives deeper, examining how the "network society" itself becomes a network of sound through online platforms and streaming services, fostering new forms of interaction and transforming the role of music curators and DJs. This book is a valuable resource for anyone interested in the fascinating interplay between technology, sound, and society.