نتایج جستجو برای: claystone

تعداد نتایج: 226  

Journal: :Civil and environmental science journal 2022

This paper focuses on analyzing the bearing capacity of large diameter drilled shafts that are fully embedded in claystone and sandstone layers. The foundations used for Pulau Balang bridge pylons built across Balikpapan bay. Three bored pile with a planned 2 meters by 60 were used. foundation field was carried out using Osterberg cell test. upper side is 32.77, 27.26, 114.46 MN, lower parts 26...

2005
G. J. RETALLACK A. H. JAHREN N. D. SHELDON R. CHAKRABARTI C. A. METZGER R. M. H. SMITH

The Permian ended with the largest of known mass extinctions in the history of life. This signal event has been difficult to recognize in Antarctic non-marine rocks, because the boundary with the Triassic is defined by marine fossils at a stratotype section in China. Late Permian leaves (Glossopteris) and roots Vertebraria), and Early Triassic leaves (Dicroidium) and vertebrates (Lystrosaurus) ...

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