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Zezhi Deng, Xiangshan Chen, Wei Jin and Gang Wang
Internal erosion refers to the seepage-induced fine particle migration phenomenon in soil. Deep alluviums in valleys usually contain cohesionless gap-graded sandy gravels with poor internal stability. The construction of embankment dams on such alluviums...
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Pengyu Liu, Yinghao Shen, Mianmo Meng, Senlin Luo, Yi Zhong and Qiming Cen
Gravel is one of the main factors affecting the mechanical properties of conglomerates, which plays a decisive role in crack propagation. In this paper, taking the conglomerate of the Baikouquan Formation in Mahu Sag of Xinjiang as the research object, a...
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André Kirchner, Jasmin Karaschewski, Philipp Schulte, Tina Wunderlich and Tobias Lauer
The upper Unstrut River is located in Germany at the modern Central European climate boundary of Cfb and Dfb climate. The river drains a loess landscape, which has experienced important environmental changes throughout the last 12,000 years. To evaluate ...
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Giovanni Martinelli, Federico Cervi, Andrea Dadomo and Gianluca Medioli
This study sums up the first estimates of the young water fraction (Fyw; here understood as the percentage proportion of groundwater passing through the well?s screen and younger than approximately 2?3 months) from groundwater collected in 75 wells from ...
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Giovanni De Falco, Simone Simeone, Alessandro Conforti, Walter Brambilla and Emanuela Molinaroli
The compatibility of sediments in terms of grain size, composition and colour among beaches and strategic sediment deposits (SSD) along Western Sardinia (Western Mediterranean Sea) were assessed to explore management strategy in the protection and adapta...
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Hamza Beddaa, Amor Ben Fraj, Francis Lavergne and Jean-Michel Torrenti
Large amounts of sediments are dredged each year to ensure navigation. These materials, classified as waste, seem to be promising alternatives to conventional construction materials. Dredging operations, carried out by the Territorial Directorate of the ...
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Gilberto Garcia Del Angel, Ali Aghajanian, Pablo Tamayo, Jokin Rico and Carlos Thomas
Cement-treated bases are soils, gravels or manufactured aggregates mixed with certain quantities of cement and water in order to improve the characteristics of a base or sub-base layer. Due to the exploitation of natural aggregates, it is a matter of imp...
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Tanita Averes, Jacobus L. A. Hofstede, Arfst Hinrichsen, Hans-Christian Reimers and Christian Winter
Mobile coastal sediments, such as sand and gravel, build up and protect wave-dominated coastlines. In sediment-starved coastal environments, knowledge about the natural sources and transport pathways of those sediments is of utmost importance for the und...
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Cyprian Seul, Roman Bednarek, Tomasz Kozlowski and Lukasz Maciag
The petrographic composition and grain shape variability of beach gravels in the Pogorzelica?Dziwnów coast section (363.0 to 391.4 km of coastline), southern Baltic Sea, Poland were analyzed herein to characterize the lithodynamics and trends of seashore...
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Sebastián López,Carola Sanhueza,Gabriel Candia
Pág. 87 - 95
Concrete soldier piles anchored in multiple levels are the most common method for supporting deep excavations in gravel. Their static design is based on limit equilibrium principles, although these procedures were originally developed for sheet piles or ...
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