نتایج جستجو برای: marly
تعداد نتایج: 194 فیلتر نتایج به سال:
Magnetic susceptibility measurement is a simple and quick technique for characterizing soils and sediments and describing soil-forming processes. The interpretation of soil magnetic susceptibility data needs sufficient knowledge about the factors affecting this parameter. To identify the effects of parent material, gypsum and calcium carbonate equivalent, 42 samples were taken from horizons of ...
The most important factors affecting soil erosion and runoff include climate, soil erodibility, topography, vegetation cover and land management. In this article, an assessment of topography, slope and climate effects on the runoff production within marly lands in Zanjan province by using an artificial rain simulator. In this regard, by overlying slope, climate, and marly units of geological fo...
The main tunnels of Line 16 Lot1 the Grand Paris Express project are underway since 2019 using tunnel boring machines (TBM). They drilled entirely in permeable strata (fine/silty sands, marls, and limestones) at a depth 20÷30 m below groundwater level. Groundwater inflow with high pressure is major issue arrival/departure sections TBMs as well during excavation work connection galleries between...
This paper reports the results of geological and geomorphological surveys and the first results of a still in progress GPS monitoring campaign1, taken on a large and ancient landslide located near Avigliano town (Basilicata region, South Italy). The landslide occurs on structurally complex clayey-marly terrains and it is classifiable as a multiple and complex roto-translational-earthflow landsl...
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