Results 51 to 60 of about 27,602 (238)

Experimental Study and Mechanism Analysis of the Mechanical Property of Cement Soil with Different Straws

open access: yesChemical Engineering Transactions, 2016
Through the measure of adding untreated wheat straw or rice straw to cement soil, the paper proposed a fundamental concept of cement soil with straw. From the perspectives of straw length, reinforcement ratio, straw shape, age of cement soil, and cement ...
F.R. Li, H.C. Sun
doaj   +1 more source

The Electrical Properties and Unconfined Compression Strength of Bottom Ash

open access: yesJournal of The Korean Society of Agricultural Engineers, 2014
The objective of this study is to find the electrical properties of Bottom ash from thermoelectric power plants in Korea. By using Parallel Plate Method, the electrical resistivity and dielectric constant were measured at the frequency from 20 Hz to 10 MHz.
Tae-Wan Kim   +4 more
openaire   +2 more sources

Towards Advanced Intelligent and Perceptive Soft Grippers

open access: yesAdvanced Intelligent Systems, EarlyView.
Implementing soft yet strong and intelligent soft grippers request innovative and creative solutions in designing soft bodies and seamlessly integrating actuated systems with hierarchical sensing. This review systematically analyses soft grippers with a deep understanding of core components, from fundamental design principles to actuation and sensing ...
Haneul Kim   +4 more
wiley   +1 more source

Stress transmission in wet granular materials

open access: yes, 2006
We analyze stress transmission in wet granular media in the pendular state by means of three-dimensional molecular dynamics simulations. We show that the tensile action of capillary bonds induces a self-stressed particle network organized in two ...
Bocquet   +47 more
core   +3 more sources

Behavior of large-scale rectangular columns confined with FRP composites [PDF]

open access: yes, 2010
This paper focuses on axially loaded, large-scale rectangular RC columns confined with fiber-reinforced polymer (FRP) wrapping. Experimental tests are conducted to obtain the stress-strain response and ultimate load for three field-size columns having ...
Toutanji, H   +3 more
core   +2 more sources

Probability prediction of true‐triaxial compressive strength of intact rocks based on the improved PSO‐RVM model

open access: yesDeep Underground Science and Engineering, EarlyView.
In this work, we propose an improved particle swarm optimization (PSO) algorithm and develop an improved PSO‐relevance vector machine (RVM) model as a substitute for traditional true‐triaxial testing. The model's high prediction accuracy was validated through comparisons with two other machine learning methods and five three‐dimensional Hoek–Brown type
Qi Zhang   +4 more
wiley   +1 more source

Evaluation of innovative sprayed-concrete-lined tunnelling [PDF]

open access: yes, 2008
The front-shunt tunnel was the first tunnel of the Terminal 5 project at Heathrow to be constructed, and was the first section of sprayed-concrete-lined (SCL) tunnel to be constructed using the method known as LaserShell.
Hilar, M.   +3 more
core   +1 more source

The ϕ = 0 Analysis of Stability and Unconfined Compression Strength

open access: yesSoils and Foundations, 1967
ABSTRACT The accuracy in determining the undrained strength of saturated cohesive soils and its sequence to the result of stability analysis are examined. As for the accuracy in determining the strength, the mechanical disturbance in the whole process from sampling to testing is found to have far greater influence than the effect of stress release in
openaire   +2 more sources

Effect of confining pressure on fracture characteristics and mineralogical behavior of tight sandstone specimens after hydraulic fracturing

open access: yesDeep Underground Science and Engineering, EarlyView.
Hydraulic fracturing in tight sandstone and fracture propagation characteristics using backscattered electron‐scanning electron microscope (BSE‐SEM) images. Abstract This study focuses on hydraulic fracturing experiments conducted under triaxial conditions on tight sandstone specimens from Shivpuri district, Madhya Pradesh, India.
Pankaj Rawat, Narendra Kumar Samadhiya
wiley   +1 more source

Home buyers' purchase decision framework for Klang Valley, Malaysia [PDF]

open access: yes, 2021
To solve the property overhang issues in Malaysian housing market, housing developers require answers and solutions for housing attributes and services to increase their sales.
Mang, Jie Sheng
core  

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