3 resultados para wall burning

em Bucknell University Digital Commons - Pensilvania - USA


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Burning Skies is a seventy-page novella completed as an Honors Thesis in Creative Writing. The story is set in Los Angeles, California, during the 1992 riots surrounding the controversy over the beating of Rodney King by four white police officers. The story is toldthrough the perspectives of the four main characters: Erin, a woman who is four months pregnant with a baby she desperately wants; her husband David, who has moved the couple out to California so that he can pursue his dream of being a cinematographer; Abby, David’s deeplyreligious younger sister who has unexpectedly flown out to Los Angeles from her home in Indiana after discovering her husband’s infidelity; and Cameron, a black man training to be a pastor who Abby has befriended through her years of missionary work in Los Angeles.The novella follows the events of the riots as they break out all across the city and the personal dramas of each of the four main characters, looking at how the public interacts with theprivate and examining the ways in which explosions in the public and political sphere can ricochet into our private and personal lives. It is a story about the political and racial climate in Los Angeles in the early 1990s, but it is also a story about four human beings, about their needs and their desires, about their struggles to survive in an unpredictable world. The novella showcases the skills and techniques the author has learned after four years of studying fiction at Bucknell University; it can best be described as a work of realistic fiction.

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This study examined the chemical compatibility of several model soil-bentonite(SB) backfills with an inorganic salt solution (CaCl2). First, bentonite-water slurry was created using a natural sodium-bentonite, as well as two modified bentonites –multiswellable bentonite (MSB) and a “salt-resistant” bentonite (SW101). Once slurries that met typical construction specifications had been created using the various bentonites,the model SB backfills were prepared for each type of bentonite. These backfills werealso designed to meet conventional construction and design requirements. The SB backfills were then subjected to permeation with tap water and/or CaCl2 solutions of various concentrations in order to evaluate the compatibility of the SB backfills with inorganic chemicals. The results indicate that SB backfill experiences only minor compatibility issues (i.e., no large differences between the hydraulic conductivity of the SB backfill to tap water and CaCl2) compared to many other types of clay barriers. In addition, SB backfills show no major change in final hydraulic conductivity to CaCl2 when permeated with tap water before CaCl2 versus being permeated with CaCl2 directly. These results may be due to the ability of the bentonite in the SB backfills to undergo osmotic swelling before permeation begins, and the inability of the CaCl2 solutions to undo the osmotic swelling. Similar results were obtained for all three clays tested, and while MSB did show less compatibility issues than the natural bentonite and SW101, it appears that the differences in performance may generally be negligible. Overall, thisstudy makes a significant addition to the understanding of SB cutoff wall compatibility.