Results 241 to 250 of about 21,729 (297)

Overturning of Retrofitted Rocking Structures under Pulse-Type Excitations

Journal of Engineering Mechanics - ASCE, 2012
Numerous existing structures exhibit rocking behavior during earthquakes, and there is a continuing need to retrofit these structures to prevent collapse.
Elias G Dimitrakopoulos, Matthew J Dejong, Dimitrakopoulos Elias G   +2 more
exaly   +2 more sources

Dynamic response of post-tensioned rocking structures with inerters [PDF]

International Journal of Mechanical Sciences, 2020
Post-tensioned rocking systems have proved to be highly effective in controlling structural damage during strong ground motions. However, recent events have highlighted the importance of looking at both the structural and non-structural components within
Christian Málaga-Chuquitaype
exaly   +2 more sources

The interaction of elasticity and rocking in flexible structures allowed to uplift

Earthquake Engineering and Structural Dynamics, 2012
Numerous structures uplift under the influence of strong ground motion. Although many researchers have investigated the effects of base uplift on very stiff (ideally rigid) structures, the rocking response of flexible structures has received less ...
Matthew J Dejong
exaly   +1 more source

Review of self-centering rocking systems for earthquake-resistant building structures: State of the art

Journal of Building Engineering
Rocking structural systems have been proposed as a promising solution for designing resilient building structures. These low-damage systems can prevent significant economic losses associated with repair, demolition, and business downtime following ...
Saber Moradi
exaly   +3 more sources

Response analysis of rigid structures rocking on viscoelastic foundation

Earthquake Engineering and Structural Dynamics, 2008
NoIn this paper the rocking response of slender/rigid structures stepping on a viscoelastic foundation is revisited. The study examines in depth the motion of the system with a non-linear analysis that complements the linear analysis presented in the ...
Alessandro Palmeri, Nicos Makris
exaly   +2 more sources

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The monitoring of structures in rock

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1977
Abstract The role of instrumentation in rock engineering is reviewed, from the measuring principles and types of instrument in current use, to the application of these techniques in engineering projects. Instruments discussed include those for monitoring rock movements; grounwater pressures; support pressures and loads; and ground vibrations.
openaire   +1 more source

Rock Engineering and Rock Mechanics: Structures in and on Rock Masses

2014
Rock Engineering and Rock Mechanics: Structures in and on Rock Masses covers the most important topics and state-of-the-art in the area of rock mechanics, with an emphasis on structures in and on rock masses. The 255 contributions (including 6 keynote lectures) from the 2014 ISRM European Rock Mechanics Symposium (EUROCK 2014, Vigo, Spain, 27-29 ...
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On the Microscopical Structure of Rocks

Proceedings of the Yorkshire Geological Society, 1886
Whilst Geology was still in its infancy, more attention was paid to the broader or more general features of the earth’s structure and past history, than to the minuter details of its component parts. The arrangement of the rocks forming that portion of its crust accessible to man, their organic contents as affording a key to their relative Chronology ...
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Rock mass structure

1985
Rock differs from most other engineering materials in that it contains fractures of one type or another which render its structure discontinuous. Thus a clear distinction must be made between the rock element or rock material on the one hand and the rock mass on the other.
B. H. G. Brady, E. T. Brown
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THE EFFECT OF ROCK BIT CUTTING STRUCTURE ON ROCK BREAKING EFFICIENCY

Proceedings of International Meeting on Petroleum Engineering, 1986
ABSTRACT A study of the effect of rock bit cutting structure on rock breaking efficiency was made with full scale bits for soft to medium formations on a laboratory testing rig. An analysis of the relationship between rock breakage and cutting structure based on the drilling rate, bottom hole pattern and operating parameters revealed the
Jikang Hou, Zhaofeng Luo
openaire   +1 more source