Efficient Mass Participation Ratio of Building with Basement

Hanna, Nagy.F.; Elrafei, Ali.M.; Genidi, Magdy.M.M; EL-Saied, T. M.

doi:10.9790/1684-1401045974

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…Sum Ux and Sum Uyare the sums of the contributions each mode towards -x and -y axes in the modal analysis. To ensure its accuracy, this method relied on the part participating in the total building mass called Participating Mass Ratio (Hanna et al 2017). According to the latest earthquake regulations, SNI 1726: 2019, the mass participation ratio must reach 100% (Badan Standarisasi Nasional 2019).…”

Section: Methodsmentioning

confidence: 99%

Identifying geometric configuration of earthquake-resistant buildings

Teddy

Adiyanto

Hidayat

2021

ARTEKS J. Tek. Arsit.

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Indonesia is an earthquake-prone area because it is located at the world's most active tectonic plates and hundreds of local faults. Obviously, there have been many earthquake victims caused by collapsed buildings, hence the need for earthquake-resistant construction. However, there is not much guidance for architects to design earthquake-resistant buildings. This research proposes guidance for architects on how to design building forms relatively able to resist earthquakes. The simulation experiment method involving 32 building models in various forms was employed. The experimental results were then analyzed with modal analysis in ETABS and SVA for architectural design. Based on the analysis report, some guidelines were proposed: 1). Avoid buildings that are too slender, use the slenderness ratio H/D ≤ 2, 2). Avoid soft stories where the ratio of the top column height (h) to the bottom column height (h1) ≤ 0.8, 3). Use symmetrical shapes with 1 or 2 axes and avoid shapes with random compositions, 4). Use the additive and subtractive mass transformation ≤ 15%, 5).Strengthen the structural elements, install shear walls, or use dilatation to minimize potential torsional irregularities and non-parallel system irregularities of L, T, U, +, and Z forms6). Avoid using non-axial asymmetrical forms.

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Section: Methodsmentioning

confidence: 99%

Identifying geometric configuration of earthquake-resistant buildings

Teddy

Adiyanto

Hidayat

2021

ARTEKS J. Tek. Arsit.

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“…Mode shape of offshore structure have been obtained in this analysis to prevent resonance effect due to structures have their own frequency and period in modal anlaysis [17]. Results output for twelve mode shape of offshore structures were summarized in Table 4.…”

Section: Free Vibration Analysismentioning

confidence: 99%

Structure Vulnerability and Risk Analysis of 4-Legged Offshore Structure

CHEOK

Kee²,

Chew³

et al. 2022

construction

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Offshore structures are commonly used in oil and gas collecting sector. This industry is one of the major economic sector in Malaysia. Since distant earthquakes from neighbour countries (Indonesia and Philippines) had caused significant structural damages in the past few years, the perfomance level of offshore due to seismic effect need to be undergone detailed investigation. Therefore, this research aims to investigate the vulnerability and analyze the risk of 4-legged fixed offshore structure under different excitations. In order to achieve the objectives, SAP 2000 was chosen to analyze the offshore structure modelling by referring to the API (American Petroleum Institute) criteria. Time history, response spectrum and free vibration analysis have been performed. The behaviour of the offshore structure was observed and evaluated through the natural frequencies and periods. Meanwhile, results outcome of the joint displacement, velocity, and acceleration represented the dynamic characteristic of the structure. The 4-legged fixed offshore structure categorized as Immediate Occupancy (IO) based on FEMA 356 guidelines. From the results, it showed that existing 4-legged offshore structures in Malaysia are capable to resist seismic loads and in stable condition.

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Efficient Mass Participation Ratio of Building with Basement

Abstract: (2, 5, 10, 15 and 20), the number of basements (1 and

Cited by 2 publications

References 2 publications

Identifying geometric configuration of earthquake-resistant buildings

Identifying geometric configuration of earthquake-resistant buildings

Structure Vulnerability and Risk Analysis of 4-Legged Offshore Structure

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