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This book is an introduction to techniques and applications of optical methods for materials Characterization in civil and environmental engineering. Emphasizing chemical sensing and diagnostics, it is written for students and researchers studying the physical and chemical processes in manmade or natural materials. Optical Phenomenology and Applications - Health Monitoring for Infrastructure Materials and the Environment, describes the utility of optical-sensing technologies in applications that include monitoring of transport processes and reaction chemistries in materials of the infrastructure and the subsurface environment. Many of the applications reviewed will address long standing issu...
Original research on performance of materials under a wide variety of blasts, impacts, severe loading and fireCritical information for protecting buildings and civil infrastructure against human attack, deterioration and natural disastersTest and design data for new types of concrete, steel and FRP materials This technical book is devoted to the empirical and theoretical analysis of how structures and the materials constituting them perform under the extreme conditions of explosions, fire, and impact. Each of the 119 fully refereed presentations is published here for the first time and was selected because of its original contribution to the science and engineering of how materials, bridges, buildings, tunnels and their components, such as beams and pre-stressed parts, respond to potentially destructive forces. Emphasis is placed on translating empirical data to design recommendations for strengthening structures, including strategies for fire and earthquake protection as well as blast mitigation. Technical details are provided on the development and behavior of new resistant materials, including reinforcements, especially for concrete, steel and their composites.
We have come to know that our ability to survive and grow as a nation to a very large degree depends upon our scientific progress. Moreover, it is not enough simply to keep abreast of the rest of the world in scientific matters. 1 We must maintain our leadership. President Harry Truman spoke those words in 1950, in the aftermath of World War II and in the midst of the Cold War. Indeed, the scientific and engineering leadership of the United States and its allies in the twentieth century played key roles in the successful outcomes of both World War II and the Cold War, sparing the world the twin horrors of fascism and totalitarian communism, and fueling the economic prosperity that followed. Today, as the United States and its allies once again find themselves at war, President Truman’s words ring as true as they did a half-century ago. The goal set out in the Truman Administration of maintaining leadership in science has remained the policy of the U.S. Government to this day: Dr. John Marburger, the Director of the Office of Science and Technology (OSTP) in the Executive Office of the President made remarks to that effect during his confirmation hearings in October 2 2001.
From the time of its invention in 1839, photography had a crucial link to the Middle East. When Daguerre s invention was introduced, it was immediately hailed as a boon to Egyptologists and Orientalists wanting to document their archeological findings. The Middle East also beckoned European experimenters in this new medium for a simple technological reason: early photographs were more quickly and easily made in the intense light of the desert than in gloomy Paris or London. In Camera Orientalis, Ali Behdad examines the cultural and political implications of the emergence of photography in the Middle East. He shows that the camera proved useful to Orientalism, but so too was Orientalism usefu...
up with automated systems for assessment of road condition. For example, Haas et al (1997) developed an automated algorithm for detecting cracks and joints con- tion. Smith and Lin (1997) developed a fuzzy logic classification scheme for pavement distress condition. Oh et al (1997) developed iterative algorithm for overcoming noisy images of roads due to shadows and low light conditions. Koustsopoulos and Mishalani (1997) presented a model for distress assessment in a local (microscopic) and global (macroscopic) level using captured images of pavement. Lee (1993) presented a comparison between 15 different imaging al- rithms used in crack detection. Ground Penetration Radar (GPR) has also be...
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The 43 papers describe new techniques for characterizing the location and size of cracks, the extent of water absorption in adhesives and other polymers, neutron-induced losses of fracture toughness in reactor steels, and the weathering of concrete. They also present applications to structures that for economic reasons are being used well past their design lives. Special emphasis is given to the structural health of concrete, defects in high- strength aircraft materials, and steels in nuclear reactors. Annotation copyrighted by Book News, Inc., Portland, OR
In A Forgetful Nation, the renowned postcolonialism scholar Ali Behdad turns his attention to the United States. Offering a timely critique of immigration and nationalism, Behdad takes on an idea central to American national mythology: that the United States is “a nation of immigrants,” welcoming and generous to foreigners. He argues that Americans’ treatment of immigrants and foreigners has long fluctuated between hospitality and hostility, and that this deep-seated ambivalence is fundamental to the construction of national identity. Building on the insights of Freud, Nietzsche, Foucault, and Derrida, he develops a theory of the historical amnesia that enables the United States to dis...