نتایج جستجو برای: layered soils

تعداد نتایج: 82224  

Journal: :Ann. Pure Appl. Logic 2017
Sean Cox Philipp Lücke

Given an uncountable regular cardinal κ, a partial order is κstationarily layered if the collection of regular suborders of P of cardinality less than κ is stationary in Pκ(P). We show that weak compactness can be characterized by this property of partial orders by proving that an uncountable regular cardinal κ is weakly compact if and only if every partial order satisfying the κ-chain conditio...

Journal: :Frontiers in Earth Science 2022

This study presented a framework for uncertainty analysis of the ultimate axial bearing capacity piles evaluated by UniCone method in layered soils. The Eslami and Fellenius (1997) is direct piezocone penetration test (CPTU) evaluating reliability design. spatial variability CPTU data modeled as random field each soil unit strata. empirical correlation coefficients are assumed to follow lognorm...

Journal: :journal of solid mechanics 0
a fatahi-vajari department of mechanical and aerospace engineering, science and research branch, islamic azad university, tehran, iran a. imam department of mechanical and aerospace engineering, science and research branch, islamic azad university, tehran, iran

this paper investigates the lateral vibration of single-layered graphene sheets based on a new theory called doublet mechanics with a length scale parameter. after a brief reviewing of doublet mechanics fundamentals, a sixth order partial differential equation that governs the lateral vibration of single-layered graphene sheets is derived. using doublet mechanics, the relation between natural f...

Journal: :E3S web of conferences 2022

In the article problem of geotechnical application clay nd claystone as a base driven pile foundations has been considered. When using these foundations, compaction zone is formed in space around pile. The purpose this research to analyze influence zones on results analytical and numerical calculations for predicting settlement layered soils. following tasks were solved: 1) existing investigati...

Ahmadi Asour, Akbar , Fasih-Ramandi, Fatemeh , Hashemi, Zahra , Keyvani, Sepideh , Kolahdouzi, Malihe , Monazzam Esmaielpour, Mohammadreza ,

Introduction: The acoustic performance of natural fiber adsorbents has been investigated in numerous studies. A part of these materials show a poor adsorption within the frequency range of less than 1000 Hz. In the present study, attempts were made to investigate the effect of layout sequence of double-layered composites consisting of natural and synthetic fibers on improving the acoustic adsor...

Journal: :International Journal of Geo-Engineering 2021

Abstract Geosynthetics are human made material used to reinforce soils improve the bearing capacity and permeability of soil, reducing soil settlement. application plays a vital role in highways constructions with no additive layers, such as cement concrete, asphalt or subgrade layer that affects unbounded layers. This paper presents geosynthetics tensional has been for reinforcement clayey soi...

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