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Showing 1 to 20 of 145 for “"Quarry"”.
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Computer Vision for Quarry Applications
… to facilitate three different processes of a quarry's operation. The first is the blasting process. This is where operators determine where to drill in order to execute an efficient and safe blast. Having an operator manually determine the drilling angles and positions can lead to inefficient …
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Exhibition Center on the Stone Quarry
… that would convey this idea I was studying. A quarry in Blacksburg, Virginia, an open-pit mine where dimension stone, sand, gravel and slate were excavated, provided me with an opportunity to explore this idea. The building I designed would help to display the original state of this old quarry, …
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Landscape ruin: groundmass excavation at Higgovale Quarry
… over the landscape, led me to the Higgovale Quarry site.
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Rebirth of a Rock: Pembroke Quarry Amphitheatre
Every place on earth has a voice. This voice resonates from the shaping events that have long passed and the current conditions that continue to give each place its individual character. The voice continually evolves as the cycle of birth, death, and rebirth leaves its trace. This voice in its …
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Optimization of Quarry Operations and Maintenance Schedules
New technologies such as the Internet of Things are providing newer insights into the health, performance, and utilization of mining equipment through the collection of real-time data with sensors. In this study, data is utilized from multiple quarries and a surface coal mine collected through the …
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Improved quarry design using deterministic and probabilistic techniques
… facilitate progressive stability evaluation of quarry high walls as mining continues and permits calculation of safety factors and probabilistic reliability. Safety factor evaluations with the potential for back-analysis and sensitivity studies are included to investigate alternative high wall …
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Pavement sustainability optimization using quarry by-products and geosynthetics
… industry has resulted in increased production of quarry by-products (QB) and overall energy consumption because of the production of aggregates. The use of geosynthetics and QB in unbound material pavement applications can mitigate the high demand for natural aggregates, thus reducing the …
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Quarry Workers' Hazard Identification, Severity Interpretation, and Prevention Strategies
… is lacking. This study particularly investigated quarry workers' safety behaviors regarding work hazards by adapting findings from construction safety research because construction and mining industries have similarities in work hazards and environment. Despite their similarities, the work …
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Geology of the Porterfield quarry area, Smyth County, Virginia
no abstract provided by author
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George Catlin and the Pipestone Quarry: paradise of the red gods
… Catlin's view, a visit to the sacred Pipestone Quarry, located in southwestern Minnesota, would be a fitting finale to his documentation of Native American tribes of the West. Catlin felt it necessary to subject the quarry to his presence, to extract stone for study, and to preserve the quarry …
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Housing and open space proposal for the Quarry, Mission Hill, Boston.
Thesis. 1976. M.Arch.--Massachusetts Institute of Technology. Dept. of Architecture.
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A Stratigraphic and Depositional Interpretation of a Sand Quarry in Middle Georgia
<p>Analysis of sediments from two sand quarries in Mauk, Georgia indicate braided stream environment. Sediment samples of both Pleistocene and Cretaceous age were collected, sedimentary features such as trough cross-bedding along with laminar bedding were recorded, and photos were taken to document …
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Development of optimum blend/minimum cost scheduling algorithm for cement quarry operations
Includes bibliographical references (pages 135-137).
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Quarry rehabilitation : the need to adopt a pre-planning approach towards rehabilitation
Quarry operations are only a temporary use of the land, while the environmental impacts associated with them are more long term. For this reason, it is unacceptable to merely abandon a quarry once operations have ceased. This study considers the role of rehabilitation in providing solutions for the …
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Time-based media in landscape interpretation: Route 66 at McCook Quarry (Chicago)
… media for landscape interpretation. McCook Quarry lies outside Chicago, with a one-mile stretch of the historic US Route 66 through it. The quarry had contributed to the construction of the metropolis as well as the highway system, yet its own excavation caused the abandonment of a potion of …
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Sustainable pavement applications utilizing quarry by-products and recycled/nontraditional aggregate materials
Quarry By-products (QB), usually less than 0.25 in. (6 mm) in size, are the residual deposits from the production of required grades of aggregates and are often stockpiled in excess quantities at the quarries. More than 175 million US tons of QB are produced every year from the 3,000 operating …
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