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Journal Article

A new Silurian Astylospongid sponge from Baillie-Hamilton Island, Canadian Arctic Archipelago

J. Keith Rigby, Alfred C. Lenz
Published: 01 January 1978
Canadian Journal of Earth Sciences (1978) 15 (1): 157–162.
DOI: https://doi.org/10.1139/e78-013
...J. Keith Rigby; Alfred C. Lenz Abstract The new sponge, Astylospongiella megale , is described from rocks of the Ludlovian Neodiversograptus nilssoni Zone of the Cape Phillips Formation from southern Baillie-Hamilton Island, Arctic Canada. The genus is included in Astylospongiidae because its...
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Journal Article

Seismic Performance of Sacrificial Exterior Shear Keys in Bridge Abutments

Pedro F. Silva, Sami Megally, Frieder Seible
Published: 01 August 2009
Earthquake Spectra (2009) 25 (3): 643–664.
DOI: https://doi.org/10.1193/1.3155405
...Pedro F. Silva; Sami Megally; Frieder Seible Performance evaluation of sacrificial exterior shear keys in bridge abutments under simulated seismic loading was conducted in terms of damage levels that were observed during testing. These experiments provided results that were used to make realistic...
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Depth distribution of the ‘first whorl chamber number’; open symbols: megalospheres, closed symbols: microspheres.

Depth distribution of the ‘first whorl chamber number’; open symbols: megal...

Published: 01 January 2004
TEXT-FIGURE 17 Depth distribution of the ‘first whorl chamber number’; open symbols: megalospheres, closed symbols: microspheres.
Journal Article

The Great Vindhyan Basin of Northern India

M. S. Krishnan, J. Swaminath
Published: 01 June 1959
Jour. Geol. Soc. India (1959) 1 (1): 10–30.
DOI: https://doi.org/10.17491/jgsi/1959/010102
... 'Window' Simla-Garhwal (Krol Belt) Nepal Carboniferous Bhander Great dolomite + chert Bleached shale Cream dolomite + (not examined) chert U. Shali + chert 'Black slice' Sunderban shales Shali slates Tal Series U. Krol Krol Red Shales Rewa Ordovician Kaimur Dharmkot 1st + shales Megal black dol + chert U...
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Journal Article

Clay Mineralogy of the Carbonate Rocks of the Shali Series (Lower-Upper Proterozoic) of Larji and Shali Windons, Lesser Himalaya

C. Gundu Rao
Published: 01 December 1992
Jour. Geol. Soc. India (1992) 40 (6): 538–544.
DOI: https://doi.org/10.17491/jgsi/1992/400605
... thrust (Main Boundary Fault) at Dharmasala and Mandi salt-belt (Guma and Megal), as a wide outcrop from below the Shali thrust at Bilaspur and in tectonic windows at Larji, Kulu district and Shali, Simla area, Himachal Pradesh (Fig. 1). In an earlier investigation. Rao (1977) reported on the clay...
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Journal Article

Evolution of seismic design codes of highway bridges in Chile

José Wilches, M.EERI, Hernán Santa Maria, M.EERI, Roberto Leon, M.EERI, Rafael Riddell, Matías Hube, M.EERI, Carlos Arrate
Published: 01 August 2021
Earthquake Spectra (2021) 37 (3): 2174–2204.
DOI: https://doi.org/10.1177/8755293020988011
... bridge, (x) Bio-bio Viejo bridge. Typical observed damage included a diagonal tension crack, indicating that the ductile behavior of the shear keys ( Bozorgzadeh et al., 2006 ; Megally et al., 2002 ; Xiang and Li, 2016 ) prevented excessive lateral displacements ( Buckle et al., 2012 ; Schanack...
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Journal Article

Adjustment Factors to Account for the Effect of Bridge Deck Horizontal Curvature on the Seismic Response of Concrete Box-Girder Bridges in California

Sujith Mangalathu, M. EERI, Jong-Su Jeon, M. EERI
Published: 01 May 2018
Earthquake Spectra (2018) 34 (2): 893–914.
DOI: https://doi.org/10.1193/060917EQS109M
... A. Khalili-Tehrani P. Stewart J. P. and Taciroglu E. 2010 , Validated simulation models for lateral response of bridge abutments with typical backfills , Journal of Bridge Engineering 15 ( 3 ), 302 – 311 . Silva P. F. Megally S...
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Journal Article

Component Restoration Models of Highway Bridges for Resilience Assessment: A Nationwide Expert-Opinion Survey Study and Application

Xiaowei Wang, M.EERI, Aijun Ye, Dang Yang, Xueping Wu, Lianxu Zhou, Kaihui Song, Jun Li, Jun Peng, Liang Lou, Xinnong Wei
Published: 01 February 2025
Earthquake Spectra (2025) 41 (1): 495–523.
DOI: https://doi.org/10.1177/87552930241290487
... – 1927 ). Stresa, Italy . Bozorgzadeh A Megally S Restrepo JI , et al . ( 2006 ) Capacity evaluation of exterior sacrificial shear keys of bridge abutments . Journal of Bridge Engineering 11...
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Journal Article

Time-Dependent Seismic Fragilities of Older and Newly Designed Multi-Frame Reinforced Concrete Box-Girder Bridges in California

Mohammad Abbasi, M. EERI, Mohamed A. Moustafa, M. EERI
Published: 01 February 2019
Earthquake Spectra (2019) 35 (1): 233–266.
DOI: https://doi.org/10.1193/102317EQS220M
... in OpenSees) and were assigned to zero-length elements at the base of the columns. Multi-column bents supported on piles are pinned at the base and therefore have no rotational stiffness. For the shear keys, a multi-linear model based on the work done by Megally et al. (2001) was considered. The shear keys...
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Journal Article

A hazardous channelized debris flow in Glen Ogle, Stirlingshire

F. D. Milne, M. J. Brown, A. Werritty
Published: 01 November 2010
Scottish Journal of Geology (2010) 46 (2): 181–189.
DOI: https://doi.org/10.1144/0036-9276/01-409
...) Debris-Flow Hazards Mitigation: Mechanics, Prediction, and Assessment . Millpress , Rotterdam , 1097 – 1106 . FONSECA R.L. QUINTANA C.R. MEGAL L.L. ROTH A. 2007 . Protection systems against debris flows . WIT Transactions on the Built Environment , 94 , 73 – 82...
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Journal Article

Analytical Fragility Functions for Horizontally Curved Steel I-Girder Highway Bridges

Ebrahim AmiriHormozaki, Gokhan Pekcan, Ahmad Itani
Published: 01 November 2015
Earthquake Spectra (2015) 31 (4): 2235–2254.
DOI: https://doi.org/10.1193/022213EQS049M
... G. J. 1996 . Response of Steel Bridge Bearings to the Reversed Cyclic Loading , Report No. MCEER 96-0014, University at Buffalo, The State University of New York . Megally S. H. Silva P. F. and Seible F. 2002 . Seismic Response...
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Journal Article

A recent debris flow event and implications for hazard management

F.D. Milne, A. Werritty, M.C.R. Davies, M.J. Brown
Published: 01 February 2009
Quarterly Journal of Engineering Geology and Hydrogeology (2009) 42 (1): 51–60.
DOI: https://doi.org/10.1144/1470-9236/07-073
... Canadian Geotechnical Journal 1993 30 71 81 Fannin R.J. Eliadorani A. Wilkinson J.M.T. Shear strength of cohesionless soils at low stress Géotechnique 2005 55 467 478 Fonseca R.L. Quintana C.R. Megal L.L. Roth A. Protection systems against debris flows...
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Journal Article

Tertiary Himalayan Coal-bearing Sequences of India: A Reappraisal of their Evolutionary Consequences

Prakash K. Singh, B. P. Singh, Alok K. Singh, G. P. Singh
Published: 01 December 2022
Jour. Geol. Soc. India (2022) 98 (12): 1697–1707.
DOI: https://doi.org/10.1007/s12594-022-2240-6
... of this belt and are reported from Kalakot, Metka and Mahogala. Coal occurrences have also been reported from Ladda (Jangalgali), Chinkah, Chakkar, Gantha-Thangrote-Khabar-Bhainala, Megal, Kura, Lodhra, Dhandli and Dhansal-Sewaklot ( Prakash, 1992 ). These coal occurrences are associated with marine sediments...
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Journal Article

Bridge Damage and Loss Scenarios Calibrated by Schematic Design and Cost Estimation of Repairs

Kevin R. Mackie, John-Michael Wong, Bozidar Stojadinovic
Published: 01 November 2011
Earthquake Spectra (2011) 27 (4): 1127–1145.
DOI: https://doi.org/10.1193/1.3651362
... Engineering Research (PEER) Center, University of California , Berkeley Silva P. F. Megally S. and Seible F. 2009 Seismic performance of sacrificial exterior shear keys in bridge abutments Earthquake Spectra 25 643 – 664...
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Book Chapter

8 Mineral Resources

Author(s)
S. V. Srikantia, O. N. Bhargava
Book: Geology of Himachal Pradesh
Series: Text Book
Publisher: Geological Society of India
Published: 01 January 2021
DOI: 10.17491/bgsi.2021.9857.08
EISBN: 9789380998572
... along this belt where salt is recorded are Megal, Harkakan and Dewal khas. The following is the production figure (in tonnes) from 1990 to 1996: 90-91 91-92 92-93 93-94 94-95 95-96 2248 3131 2167 3109 2874 4000 No later figures are available. Slate Besides limestone...
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Book Chapter

Geophysical Investigations of Historic Buildings

Author(s)
Yilmaz Öz
Book: Engineering Seismology: With Applications to Geotechnical Engineering
Series: Investigations in Geophysics
Publisher: Society of Exploration Geophysicists
Published: 01 January 2015
EISBN: 9781560803300
... church on the site of St. Sophia, built in the early 4th century AD by Constantine the Great, who dedicated his capital to Christianity and named it Constantinople, was known as Megale Eklesia as it was the largest church in the city. The church was built in the form of a Latin colonnaded basilica...
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Abstract The Great Church of St. Sophia in Istanbul was built during the period 532–537 AD by the Byzantine Emperor Justinianus and dedicated to Divine Wisdom – thus its Greek name Hagia Sophia . The St. Sophia has an imposing structure, with a main dome that has not been surpassed in size and height by any other church or mosque in the world (Figure 7.0-1). During the earthquake in 557 AD, the dome partially collapsed, but was quickly repaired back to its original grandeur. The current building is the third structure built at the site; the two previous structures were destroyed by fire and riots.