Results 91 to 100 of about 16,173 (293)

Application of Schmidt Rebound Number for Estimating Coal Strength [PDF]

, 2016
In Rock Mechanics, determination of Unconfined Compressive Strength (UCS) of rock is of prime importance as its role in design and analysis of geotechnical problems is crucial.
Dandapat, Prasanjit
core  

Non-destructive testing for the assessment of granite decay in heritage structures compared to quarry stone [PDF]

, 2013
Several types of granite found in two architectural heritage monuments were assessed with two non-destructive, portable techniques: Schmidt hammer rebound and ultrasound velocity (Vp). Similar assessments were conducted on the rock from which the granite
Fort González, Rafael, Pérez-Monserrat, Elena Mercedes, Álvarez de Buergo, Mónica   +2 more
core   +2 more sources

“Passive” Scalecraft as a State Strategy in Post‐Authoritarian Environmental Governance: A Case From South Korea

Environmental Policy and Governance, EarlyView.
ABSTRACT This study employs a scalar politics framework to unpack how participatory rhetoric operates statecraft in a post‐authoritarian context, thereby illuminating hybrid‐regime behavior along a continuum of environmental governance. An examination of the environmental governance of an ecotourism project in South Korea is performed using ...
Souyeon Nam
wiley   +1 more source

Policy Networks and Policy Entrepreneurship in the EU: Explaining Structural Policy Change in Pharmaceutical Innovation Incentives and Health Technology Assessment

European Policy Analysis, EarlyView.
ABSTRACT Policy process research has excelled in explaining structural policy change within national settings, but extensions and applications to the EU level have long proven challenging for scholars. Given that the EU is currently experiencing its longest period of Treaty stability since the 1980s—having evolved into a sui generis political system ...
Vassilis Karokis‐Mavrikos
wiley   +1 more source

Tensile Strength Modeling of Limestone Rocks in Sulaymaniyah City, Iraq Using Simple Tests

Polytechnic Journal, 2019
Tensile strength of rocks is one of the mechanical properties of intact rock that is a significant parameter for designing geotechnical structures includes dam foundations and tunnels.
Diyari Abdalrahman Mohammed, Younis Mustafa Alshkane   +1 more
doaj   +1 more source

Prediction of the Static Modulus of Elasticity Using Four non Destructive Testing [PDF]

, 2014
The static modulus of elasticity (Es) is an important parameter in the analysis of hydraulic concrete structures, changes have been made to the regulation of construction; these changes require minimum values for the Es, so now, in addition to concrete ...
Alonso Guzmán, Elia Mercedes, Alonso Guzmán, Elia Mercedes, ARTEAGA ARCOS, JUAN CARLOS, ARTEAGA ARCOS, JUAN CARLOS, CHAVEZ GARCIA, HUGO LUIS, CHAVEZ GARCIA, HUGO LUIS, GRAFF GUERRERO, MARIO, GRAFF GUERRERO, MARIO, Martínez Molina, Wilfrido, Martínez Molina, Wilfrido   +9 more
core  

Drop Splashing on a Dry Smooth Surface

, 2005
The corona splash due to the impact of a liquid drop on a smooth dry substrate is investigated with high speed photography. A striking phenomenon is observed: splashing can be completely suppressed by decreasing the pressure of the surrounding gas.
A. L. Yarin, A. M. Worthington, C. D. Stow, F. V. Shaw, H. E. Edgerton, J. L. Zable, L. D. Landau, Lei Xu, O. G. Engel, Sidney R. Nagel, Wendy W. Zhang   +10 more
core   +1 more source

The EU's Strategy for Sustainability: A Landmark Turn With the European Green Deal?

European Policy Analysis, EarlyView.
ABSTRACT While the European Green Deal (EGD) has been widely recognized as a milestone in the EU's sustainability strategy, scholars disagree on the nature of the policy change it represents. Critics highlight its limited social and environmental ambitions, despite its portrayal as a “man on the moon” moment.
Ekaterina Domorenok, Franco Gatti
wiley   +1 more source

Experimental study on the mechanical and acoustic emission features of frozen single fractured sandstone under drop hammer impact

Gong-kuang zidonghua
Mining rock masses in high-altitude cold regions can experience instability due to low temperature environments and dynamic load disturbances. Existing research mostly focuses on the static features of fractured sandstone under different freezing ...
HE Xinyao, CHANG Yuan, REN Fuqiang
doaj   +1 more source

Aspects of energy requirements for rock drilling [PDF]

, 1974
Development of laboratory rock breakage techniques to relate energy and surface area produced by slow compression, drop hammer and stamp mill. A detailed study of laboratory rotary-percussive drilling in a wide range of rocks under different ...
Wootton, David
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