คลังข้อมูล / Digital Library

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Seismic fragility of gypsum partition walls

In recent decades, the seismic response of building nonstructural components has received increased attention because of their relatively high investment cost for new construction and associated repair cost following earthquakes. Based on estimates from past earthquakes, nonstruc

1 Sep 2026

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Enhancing Protective Building Design using Explicit Dynamic

Careful design of public buildings is needed to provide an optimized response that accounts for various loading cases, such as seismic, wind, and blast loads. Effective building design needs to be well-balanced for various scenarios. Fundamental understanding of structural behavi

1 Sep 2026

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Enhancing Structural Assessment: An Integrated Approach Using 3D Applied Element Method and Sensitivity-Based Model Updating

Effective vulnerability assessment requires an understanding of and ability to forecast the behaviour of buildings, particularly in earthquake-prone areas. Existing building modelling and analysis are made possible by the 3D Applied Element Method (AEM), although the accuracy of

1 Sep 2026

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A 1D velocity model of northern Thailand: Preliminary results

The earthquakes in Thailand and adjacent areas have been monitored by earthquake observation division, Thai Meteorological Department (TMD). The earthquake location was calculated by using a global velocity model IASP91 (Kennett and Engdahl, 1991). The earthquake location mainly

1 Sep 2026

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Seismic retrofit of RC frame with expanded metal

Generally, the damage of the commercial building during an earthquake was due to soft story failure of the ground floor columns because the ground floor columns are more slender and higher than the upper floors. This paper presents the retrofit of the reinforced concrete frame us

1 Sep 2026

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Liquefaction Vulnerability Assessment in Low-Seismic Regions: A Chiang Rai, Thailand Case Study

The liquefaction concerns of the foundation ground in urban zones of Chiang Rai arises from a prior instance of liquefaction occurring in remote northern Thailand in 2011. Most areas are underlain by clayey sand deposits from paleochannels, which are highly susceptible to liquefa

1 Sep 2026

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Rapid structural identification of existing buildings subject to earthquake ground motion: The case study of Chiang Mai and Chiang Rai

In the current research project, three work packages have been adopted. Firstly, ambient vibration measurements have been performed in a number of buildings in order to obtain the building's dynamic properties. Secondly, Finite Element Models have been created in order to check t

1 Sep 2026

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Effects of Infill Wall Models on Vibration Period and Seismic Response of a Building

Nonlinear Response History Analysis (NLRHA) is a dynamic method for analyzing structures subjected to earthquakes. This approach considers the nonlinear behavior of building materials and components, enabling the calculation of the responses during nonlinear behavior and often yi

1 Sep 2026

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Development of fragility functions for low- to mid-rise reinforced concrete buildings in Chiang Mai, Thailand

In northern Thailand, Chiang Mai is one of the largest provinces, hosting an urban area with over 40,000 buildings. Typically, these buildings are constructed as low- to mid-rise reinforced concrete (RC) structures with structural systems consisting of RC beam-column frames and m

1 Sep 2026

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Tsunami hazard assessment for coastal areas of Thailand: Developing a comprehensive tsunami hazard map

The 2004 tsunami on the Andaman coast underscored the critical importance of preparedness for such disasters, particularly in Phuket and Phang Nga. It emphasized the pressing need for improved tsunami hazard maps, essential for identifying risk-prone areas and establishing safe e

1 Sep 2026

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Performance of low-cost sensors on ambient vibration measurement and structural health monitoring system

Structural Health Monitoring (SHM), which involves continuously monitoring response of a building to environmental conditions during storms or seismic events, is an efficient and accurate tool for evaluating ability of the building to withstand natural forces such as wind and ear

1 Sep 2026

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Developing Chiang Mai building inventory for earthquake loss assessments

Earthquakes, though categorized as low-frequency disasters, can unleash substantial devastation, resulting in injuries, fatalities, and structural collapses. This research endeavors to construct a city model for Chiang Mai, with the goal of assessing earthquake-induced impacts an

1 Sep 2026

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A life-cycle cost assessment of seismic design strategies for steel moment frames with emphasis on failure mode control

The objective of this study is to conduct a life-cycle cost analysis (LCA) of steel moment frames (SMF) designed with a focus on failure mode control. To implement failure mode control, the theory of plastic mechanism control (TPMC) is employed. TPMC is an energy-based method tha

1 Sep 2026

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Seismic performance evaluation of low-rise steel buildings

The objective of this study is to assess the seismic performance comparisons of steel structures with different structural systems and ductility. The structural systems used in the study are divided into three categories: 1 moment resisting frames, 2 concentric braced frames, and

1 Sep 2026

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Verification of rapid vulnerability assessment method for low-rise infilled RC frames in Thailand

One of the key issues in calibrating rapid seismic vulnerability screening method, especially for areas with infrequent earthquakes, is the lack of past damage and building performance data for references. To circumvent this problem, potential rapid seismic vulnerability assessme

1 Sep 2026

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Development of seismic design and analysis method for RC frames with infill walls

Low-rise RC frames with Infilled walls are widely used in many areas around the world. It is well known that the presence of infill walls can have adverse effects on the seismic response of the frame due to infill-frame interactions. Despite their widespread usage, clear design s

1 Sep 2026

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Analyze the housing recovery process and evacuation limit of elderly after Chiangrai 2014 earthquakes

In the case of an Earthquake in Thailand in 2014, Earthquakes were recorded as the strongest inland in Thailand. The epicentre is in Chiangrai province, northern Thailand. The primary objective of this research are to review recovery process and evacuation limit, since most of th

1 Sep 2026

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Enhancing disaster resilience through immersive tsunami evacuation training using virtual reality

Natural disasters, particularly tsunamis, pose significant threats to coastal regions. Traditional evacuation drills have limitations in terms of frequency and inclusivity, especially for transient populations. This research explores the use of Virtual Reality (VR) in conjunction

1 Sep 2026

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Seismic deaggregation analysis and ground motion selection for Chiang Mai and Chiang Rai

In this study, seismic deaggregation analysis is applied for Chiang Mai and Chiang Rai in Northern Thailand to assess the combined effect of all magnitudes and distances on the probability of exceeding a given ground motion level. Deaggregation of peak ground acceleration and spe

1 Sep 2026

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Definition of seismic input at an intercontinental airport according to the current European seismic hazard model

In this study, a preliminary 1D fully stochastic site response analyses (100 simulations) for Venice airport were carried out by accounting for the uncertainty of soil model parameters as well as the variability of seismic input. Although the seismicity at the site of the airport

1 Sep 2026

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The 2012 MW 6.8 Thabeikkyin earthquake in central Myanmar: A widely felt strong event with unilateral rupture through the Singu basalt on the Sagaing fault

To understand the damage and physics processes of large earthquakes, it is important to integrate field surveys with modern geophysical analysis. Although Myanmar is seismically very active, such integration was never conducted in the past. Here we make the first report of its ki

1 Sep 2026

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Assessment of seismic site effects in Chiang Mai basin from microtremor observation and 1D site response analysis

Chiang Mai, the largest city in northern Thailand and the second largest in the country after Bangkok. The city is located on a flood plain composed of unconsolidated sediments. The city is occasionally threatened by tremors originating from nearby faults in Thailand and neighbor

1 Sep 2026

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An accurate uncoupled modal response history analysis procedure based on modal pushover responses

Modal analysis is the foundation of seismic analysis. The Uncoupled Modal Response History Analysis (UMRHA) method can efficiently extract complex nonlinear seismic responses into individual mode responses, providing valuable insights into the contribution from each mode. The com

1 Sep 2026

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Computer model for precast bearing wall

This paper presents the analysis of test results from precast bearing building system in Thailand under cyclic load by computer programing. The tested specimen Wall1 with 3 cross over dowel bars and Wall3 with 4 cross over dowel bar are selected and model. Precast wall panel is m

1 Sep 2026