Performance of Structures in the M<sub>w</sub>6.1 Mae Lao Earthquake in Thailand on May 5, 2014 and Implications for Future Construction

Lukkunaprasit, Panitan; Ruangrassamee, Anat; Boonyatee, Tirawat; Chintanapakdee, Chatpan; Jankaew, Kruawun; Thanasisathit, Nuttawut; Chandrangsu, Tayakorn

doi:10.1080/13632469.2015.1051636

Cited by 40 publications

(23 citation statements)

References 8 publications

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“…Several evidences presented in Figure 1 have confirmed this possible settlement. The similar phenomenon such as cracks and fissures during the earthquake is also reported by several researchers such as Soralump and Feungaugsorn [28] and Lukkunaprasit et al [29] during the Tarlay Earthquake in 2011 and the Mae Lao in Northern Thailand, respectively. Based on those reports, the crack settlement and fissures can happen due to the strong shaking resulted from earthquake.…”

Section: Microzonation Map Of F0supporting

confidence: 82%

Seismic Vulnerability Maps of Ratu Agung District, Bengkulu City, Indonesia

Mase

2019

ced

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During the 8.6 Mw Bengkulu-Mentawai Earthquake Ratu Agung District was identified as an impacted area. This paper aims to deliver the seismic vulnerability based on geophysical observation. This study was initiated by performing the ambient noise measurement to obtain the geophysical characteristic, such as amplification and predominant frequency. Furthermore, the vulnerability index analysis was performed from the geophysical information collected from the investigation. To observe the tendency of ground damage during the earthquake, ground damages analysis is also performed. All results are depicted into the microzonation maps. The results showed that the amplification and predominant frequency on site are generally ranging from 3 to 5 and 5 to 8 Hz, respectively. The seismic vulnerability index in study area is up to 10-3. The results showed that during the Bengkulu-Mentawai Earthquake, the investigated sites could be possible to undergo crack settlement which can trigger massive sand boiling in the study area.

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Section: Microzonation Map Of F0supporting

confidence: 82%

Seismic Vulnerability Maps of Ratu Agung District, Bengkulu City, Indonesia

Mase

2019

ced

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“…Damage to manmade structures was also extensive in the region around the earthquake epicenter. Lukkunaprasit et al [] reported that buildings (e.g., houses and schools) and infrastructure (e.g., roads and bridges) districts sustained the heaviest damage and several hundred buildings were unsafe for occupancy. Ornthammarath [] also reported that many one‐ and two‐story reinforced concrete frame buildings were much more heavily damaged than timber houses of pre‐1970 vintage that sustained only minor to moderate damage.…”

Section: Earthquake Effectsmentioning

confidence: 99%

Seismotectonics of the 2014 Chiang Rai, Thailand, earthquake sequence

et al. 2017

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On 5 May 2014, a Mw 6.2 strike‐slip earthquake occurred in the Mae Lao region of Chiang Rai province in Thailand. This earthquake took place in a region of known faults and caused substantial damage and injuries, although the region had been previously identified as having a relatively low earthquake hazard. Detailed field reconnaissance and deployment of a dense, temporary, network of broadband seismometers allowed details of the damage and its relationship to seismicity to be analyzed. The aftershock sequence associated with this main shock occurs on two well‐defined trends, reflecting the two potential fault planes in earthquake mechanisms for the main shock and the majority of the aftershocks. The damage area was relatively large for an event of this magnitude, but building damage was largely limited to the primary rupture region, while liquefaction and other ground failure are spatially associated with the rupture area and along regional rivers. Stress modeling, combined with the time series and pattern of aftershock activity, leads us to propose that slip near the northern termination of the main shock rupture continued slightly onto a conjugate fault, helping to trigger the distinct pattern of two discrete, conjugate trends of aftershock activity that mirror the kinematics of the main shock fault mechanism.

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“…As a result, these structures have deficient seismic load resistance and can collapse under extreme loads, as observed during the Mw 6.1 Mae Lao earthquake that struck northern Thailand in 2014. The Mae Lao earthquake is the largest earthquake recorded in Thailand and caused the largest amount of losses in modern Thai history (US$ 300 million [1]). More than 15,000 buildings were damaged, including 20 that collapsed and over 400 that were severely damaged.…”

Section: Introductionmentioning

confidence: 99%

Seismic Strengthening of Low Strength Concrete Columns using High Ductile Metal Strap Confinement: A Case Study of Kindergarten School in Northern Thailand

Imjai

Setkit

Garcia

et al. 2020

Walailak J Sci & Tech

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The 2014 Chaing Rai earthquake (Thailand) caused extensive damage in many reinforced concrete (RC) buildings built before the introduction of modern seismic design guidelines. Much of the damage on these buildings was attributed to the inadequate capacity and/or ductility of columns. As a result, suitable and cost-effective strengthening techniques for such substandard elements are necessary. This article presents a case study on the seismic strengthening of a one-story RC kindergarten school located in Ampor Pan, Chaing Rai province. The building was partially damaged during the afore-mentioned earthquake, which led to cracking in walls, columns, and beam-column joints. As part of the initial assessment, innovative repair solutions were sought to minimize construction time, labor, and material cost. Accordingly, an innovative strengthening technique that uses Post-tension Metal Strapping (PTMS) was proposed to strengthen the damaged RC elements. This article presents details of the structural assessment performed on the building, as well as details of the PTMS strengthening strategy, which was applied for the first time in a real full-scale structure. This article contributes towards the validation and application of the PTMS strengthening on real structures, which had not been possible until now.

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Performance of Structures in the M_w6.1 Mae Lao Earthquake in Thailand on May 5, 2014 and Implications for Future Construction

Cited by 40 publications

References 8 publications

Seismic Vulnerability Maps of Ratu Agung District, Bengkulu City, Indonesia

Seismic Vulnerability Maps of Ratu Agung District, Bengkulu City, Indonesia

Seismotectonics of the 2014 Chiang Rai, Thailand, earthquake sequence

Seismic Strengthening of Low Strength Concrete Columns using High Ductile Metal Strap Confinement: A Case Study of Kindergarten School in Northern Thailand

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Performance of Structures in the Mw6.1 Mae Lao Earthquake in Thailand on May 5, 2014 and Implications for Future Construction

Cited by 40 publications

References 8 publications

Seismic Vulnerability Maps of Ratu Agung District, Bengkulu City, Indonesia

Seismic Vulnerability Maps of Ratu Agung District, Bengkulu City, Indonesia

Seismotectonics of the 2014 Chiang Rai, Thailand, earthquake sequence

Seismic Strengthening of Low Strength Concrete Columns using High Ductile Metal Strap Confinement: A Case Study of Kindergarten School in Northern Thailand

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Product

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Performance of Structures in the M_w6.1 Mae Lao Earthquake in Thailand on May 5, 2014 and Implications for Future Construction