منابع مشابه
Assessment of Tunnel Excavation on Surface Settlement
The expansion of underground structures is important in urban areas with high population density. In most large cities in the world, urban development is spreading along the structures. These structures are generally located at shallow depth; therefore study of shallow tunnels in urban areas is critical for development. During the excavation of tunnels in urban areas, creating the asymmetric se...
متن کاملExcavation Techniques in Historical Archaeology
This paper discusses the development of excavation techniques in England and their application to historical archaeology in Australia. Edward Higginbotham, a consultant archaeologist in Sydney, applies his experience of excavations in both countries to a critical analysis of various excavation methods, including test-pits, trial-trenches, the grid method, and area excavation. The advantages, ef...
متن کاملOn the selection of an appropriate excavation pattern for urban tunnels with big cross-section: A case study
Among various practical measures used for restriction of the ground surface settlement in such tunnels driven in soft ground, selection of an appropriate excavation method plays a significant role. In this paper, employing suggested diagram by Yu & Chern, corresponding values of Niayesh tunnel has been inserted into the diagram. Later, two excavation methods namely: central diaphragm and side d...
متن کاملEncouragement of Settlement and PopulationAttracting in the New Towns – Egypt
The Egyptian new towns experience is among the most comprehensive and ambitious, regionallyand worldwide. Initiated as a governmental policy within a general strategy to tackle the multitude of problemsburdening Egyptian settlements in general and major and secondary cities surrounded by agricultural land. New townswere thought as an effective partial solution for the problems of: encroachment ...
متن کاملFocal Choroidal Excavation
Focal choroidal excavation is a choroidal pit that can be detected by optical coherence tomography. Central serous chorioretinopathy, choroidal neovascularization and polypoidal choroidal vasculopathy are pathologies associated with focal choroidal excavation. In this article, we present the follow-up and treatment outcomes of three eyes of two patients with focal choroidal excavation.
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ژورنال
عنوان ژورنال: History, Archeology and Ethnography of the Caucasus
سال: 2020
ISSN: 2618-849X,2618-6772
DOI: 10.32653/ch162461-488