Results 251 to 260 of about 12,048 (309)

Greens in Regulation: Biodiversity Strategy Implementation Across the Golf Industry

Business Strategy and the Environment, EarlyView.
ABSTRACT Although much of the business and biodiversity literature focuses on extractive industries, we turn our attention to the golf industry. Golf courses occupy millions of acres globally, yet biodiversity strategy implementation across the golf industry remains understudied.
Jordan P. Howell, Jordan Moore
wiley   +1 more source

Connecting Thoughts and Actions: A Managerial Process Model on Circular Business Model Innovation

Business Strategy and the Environment, EarlyView.
ABSTRACT Addressing environmental grand challenges such as resource scarcity requires circular business model innovation (CBMI) that enables firms to efficiently close and slow resource cycles through novel activity systems. Drawing on a grounded theory approach based on 59 in‐depth interviews with top managers from Swiss SMEs, we developed a process ...
Fabian Takacs, Karolin Frankenberger
wiley   +1 more source

A two-dimensional constitutive model of rock joints with pre- and post-peak behaviour

, 1990
Jing, Lanru,
core  

Prediction of Peak Shear Strength of Natural, Unfilled Rock Joints Accounting for Matedness Based on Measured Aperture

Rock Mechanics and Rock Engineering, 2021
The mechanical behaviour of natural, unfilled rock joints is influenced by the interaction between surface roughness and matedness of the contact surfaces. In the field, natural rock joints normally exhibit a mismatch between the contact surfaces, mainly
Fredrik Johansson, Diego Mas Ivars, Johansson Fredrik   +2 more
exaly   +2 more sources

Crack coalescence in rock-like specimens with two dissimilar layers and pre-existing double parallel joints under uniaxial compression

International Journal of Rock Mechanics and Minings Sciences, 2021
Layered rock masses with joints are widely found in nature. Their mechanical behavior plays a key role in rock engineering applications. However, previous studies have concentrated on the single lithologic layer, and few studies have reported the crack ...
Qibin Lin, Ping Cao, Guanping Wen
exaly   +2 more sources

3D Particle-Based DEM Investigation into the Shear Behaviour of Incipient Rock Joints with Various Geometries of Rock Bridges [PDF]

Rock Mechanics and Rock Engineering, 2018
A 3D particle-based DEM model was established taking into account the geometries of rock bridges. The model was used to investigate the shear behaviour of incipient rock joints.
Junlong Shang, Zhiye Zhao
exaly   +2 more sources

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The shear strength of rock and rock joints

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1976
Abstract Rock joints exhibit a wide spectrum of shear strength under the low effective normal stress levels operating in most rock engineering problems. This is due to the Strong influence of surface roughness and variable rock strength. Conversely, under the high effective normal stress levels of interest to tectonophysicists the shear strength ...
openaire   +1 more source

Finite element for rock joints and interfaces

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1973
The objective of this paper is to present a method for dynamic stress analysis of saturated soil structures subjected to earthquake loading. The soil is idealized as a fluid saturated porous solid. The coupled equations of motion of the finite element discretized system are solved by a step-by-step integration scheme to determine the motion of the ...
Jamshid Ghaboussi, Edward L. Wilson, Jeremy Isenberg   +2 more
openaire   +1 more source

Implications of Joint Properties on the Strength of a Jointed Rock Mass

Advances in Unsaturated Soil, Geo-Hazard, and Geo-Environmental Engineering, 2011
In order to minimize the environmental and physical hazards of rock slope failures in deep open cut mines, evaluation of rock mass strength with a reasonable degree of accuracy is required. The task is made much more difficult due to the presence of discontinuities or joints, as the strength of a rock mass depends on both the strength of intact rock ...
P. L. P. Wasantha, P. G. Ranjith, A. Haque, J. Kodikara, A. Bouazza   +4 more
openaire   +1 more source

Mechanics of Jointing in Rocks

Geological Magazine, 1959
AbstractThe current theories dealing with the mechanics of joint development are discussed critically. An analysis of the stress conditions which can exist in competent rocks in the crust is presented. The conclusion is reached that “Master” and “Regional” Joints can be, generically, either “tensional” or “shear” structures.
openaire   +1 more source