The impact of the 26 December 2004 earthquake and tsunami on structures and infrastructure

Ghobarah, A.; Saatçioğlu, Murat; Nistor, Ioan

doi:10.1016/j.engstruct.2005.09.028

Cited by 258 publications

(105 citation statements)

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“…The tsunami was an event causing devastating effects across the Indian Ocean (Ghobarah et al, 2006). In Sri Lanka, 13 of 14 coastal districts were impacted.…”

Section: Introductionmentioning

confidence: 99%

Risk factors in relation to human deaths and other tsunami (2004) impacts in Sri Lanka: the fishers'‐eye view

Venkatachalam

Price

Chandrasekara

et al. 2008

Aquatic Conservation

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ABSTRACT1. This study examines the perceptions of 500 Sri Lankan fishers about influences on the outcome of the 2004 Asian tsunami. It is based upon analysis of questionnaire data on 13 natural environmental and development risk factors, in relation to human deaths and house damage (impact indicators).2. Mangroves, coral reefs and sand dunes afforded protection against tsunami damage (67-94% of fisher responses), as did housing and roads.3. Fishers overall believed rivers/estuaries, concave coastlines and hotels exacerbated impacts. However, a significantly greater proportion of fishers living within 100 m of the coast reported that rivers/estuaries had a protective role than those living further inland. Rivers seemingly diverted 'tsunami water' far inland, where it overflowed and caused damage.4. Risk and damage are multi-faceted concepts and measurable in different ways. Findings are considered in the light of ecological studies and modelling, with special reference to mangroves, whose alleged protective role has become equivocal during post-tsunami research.5. Insights of fishers and other communities with intuitive knowledge add a valuable perspective to the understanding of natural disasters and environmental change. This approach is seen as complementary rather than an alternative approach to purely 'scientific' research.

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“…The tsunami was an event causing devastating effects across the Indian Ocean (Ghobarah et al, 2006). In Sri Lanka, 13 of 14 coastal districts were impacted.…”

Section: Introductionmentioning

confidence: 99%

Risk factors in relation to human deaths and other tsunami (2004) impacts in Sri Lanka: the fishers'‐eye view

Venkatachalam

Price

Chandrasekara

et al. 2008

Aquatic Conservation

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“…During the Hyougoken-Nanbu (Kobe) earthquake of 1995, for example, most of the damaged buildings experienced failure of the first or intermediate storey due to the lack of lateral strength and ductility of columns [1]. The soft-storey failure was also very common during the south east Asia earthquake of 2004 causing major damage in downtown of Banda Aceh [2]. It has been observed during the earthquakes that the failure of an upper soft storey of a structure results in large impact load acting on the lower floors.…”

Section: Introductionmentioning

confidence: 99%

Experimental study on the behaviour of steel columns under seismic‐induced axial impact load

Migda

Jankowski

2009

Proc Appl Math and Mech

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It has been observed during major earthquakes that the so called soft-storey failure of an upper floor of a structure results in large impact load acting on structural members of the lower storeys. It may further lead to progressive collapse of the whole structure substantially intensifying human and material losses. Therefore, the aim of this paper is to investigate experimentally the behaviour of columns under bending (observed during an earthquake) that are additionally subjected to an axial plastic impact load. Steel columns with high slenderness ratio were considered in the study. In the experiment, impact load was created by a weight that was dropped onto the top of the column and stayed on it. The weight with the shape of a ball was made of clay so as to simulate more plastic impact. The results of the experiment show that the value of the permanent horizontal deformation of the column observed after impact depends much on the initial relative displacement between the base and the top of the column. As the initial displacement increases the values of the permanent deformation increases significantly indicating the significant reduction in the critical buckling force. The results obtained in the study can be utilized at the design stage of the structures in order to enhance their seismic resistance.

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“…In many instances, post-earthquake inspections of structures with RC moment resisting frames damaged during earthquakes, have shown that the damage inflicted upon the frames was mostly concentrated in the beam-column joints [3][4][5][6][7][8][9]. Also, it has been noted that external beam-column joints are more exposed to damage compared to internal beam-column joints because of their geometrical discontinuity and subpar confinement [2,3,10].…”

Section: Introductionmentioning

confidence: 99%

Seismic Retrofit of Defective RC Beam-Column Joints

Akhaveissy

Permanoon

Mirzaei

2018

Period. Polytech. Civil Eng.

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The impact of the 26 December 2004 earthquake and tsunami on structures and infrastructure

Cited by 258 publications

References 0 publications

Risk factors in relation to human deaths and other tsunami (2004) impacts in Sri Lanka: the fishers'‐eye view

Risk factors in relation to human deaths and other tsunami (2004) impacts in Sri Lanka: the fishers'‐eye view

Experimental study on the behaviour of steel columns under seismic‐induced axial impact load

Seismic Retrofit of Defective RC Beam-Column Joints

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