The evolution of Indonesian seismic and concrete building codes: From the past to the present

Nugroho, Wivia Octarena; Sagara, Altho; Imran, Iswandi

doi:10.1016/j.istruc.2022.05.032

Cited by 11 publications

(8 citation statements)

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“…This revision was made to adjust to the last few earthquake events and the American Code, which changes periodically. Some of the earthquake events between 2012 and 2019 were the Mentawai Earthquake in 2016 (Mw = 5.8), the Tasikmalaya Earthquake in 2017 (Mw = 5.1), and the Lombok Earthquake in 2018 (Mw = 7.0) [30,31]. There is no fundamental difference between SNI 2012 and 2019.…”

Section: Earthquake Resistance Planning Procedures For Building and N...mentioning

confidence: 99%

Evolution and Implications of Changes in Seismic Load Codes for Earthquake Resistant Structures Design

Kadir,

Sukri,

Aswad

et al. 2024

Civ Eng J

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Seismic load is a critical load that can trigger damage or collapse of structures, especially in earthquake-prone areas. The susceptibility of structures to seismic loads is influenced by factors related to soil characteristics and structural behavior. This paper comprehensively examines the development of Indonesian seismic code design parameters and their comparison with the current seismic code. The results of the analysis showed that the design spectral acceleration of short-period AD and long-period A1 SKBI 1987 and SNI 2002 increased with increasing PGA values, with a consistent pattern of SC < SD < SE. Unlike the previous two codes, design spectral acceleration AD and A1 SNI 2012 and SNI 2019 experience fluctuations in all types of soil. The ratio design spectral acceleration of AD and A1 SNI 2019 to KBI 1987 and SNI 2002 varies; there are up, fixed, and down for SC, SD, and SE soil conditions. The ratio of design spectral acceleration AD and A1 SNI 2019 to SNI 2012 designs also varies; this condition is due to changes in site coefficients. There were significant changes to the SKBI 1987 and SNI 2002 structural systems, especially the low and medium seismic levels. The increase in the seismic influence coefficient ratio of some cities varies for each type of soil and code. The increase in the 1970 PMI seismic coefficient was < 30% for all soil types, and the highest percentage increase occurred in SC soil types. The increase in seismic coefficient in SKBI 1987, SNI 2002, and SNI 2012 is more dominant in SE soil types. Doi: 10.28991/CEJ-2024-010-01-04 Full Text: PDF

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Section: Earthquake Resistance Planning Procedures For Building and N...mentioning

confidence: 99%

Evolution and Implications of Changes in Seismic Load Codes for Earthquake Resistant Structures Design

Kadir,

Sukri,

Aswad

et al. 2024

Civ Eng J

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“…Geologically, Indonesia lies on three boundaries of tectonic plate, resulting in the emergence of a series of volcanoes in the ring of fire (Kaban et al 2019;Firdaus et al 2022;Kurniawan et al 2022). These geological conditions imply that Indonesia is among the countries with the highest threat of disasters related to earthquake and volcanic activities with one of the disaster-prone regions are Lombok Island and the surrounding small islands (Nugroho et al 2022). The vulnerability of Lombok Island to geological disasters can be seen from the series of earthquake, i.e.…”

Section: Introductionmentioning

confidence: 99%

The diversity, ethnobotany and nutrient contents of Dioscorea for post-disaster food security in Lombok, Indonesia

INDRIYATNO,

WIJAYANTO,

BATUBARA

et al. 2024

Biodiversitas

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Abstract. Indriyatno, Wijayanto N, Batubara I, Supriyanto. 2024. The diversity, ethnobotany and nutrient contents of Dioscorea for post-disaster food security in Lombok, Indonesia. Biodiversitas 25: 553-564. Earthquakes caused damage to infrastructure, houses, and roads in Lombok in 2018. After the earthquake, there was a shortage of food. Adaptation to address food shortage can be overcome by using local food sources, including those from the Dioscorea genus. The study aims to analyze the diversity and distribution, ethnobotany and nutrient contents of the Dioscorea genus in Lombok Island. Botanical explorations were conducted to identify the intraspecific varieties in the form of local types/names complemented with ethnobotanical study through structured interviews. The nutrient contents were determined using a standardized method in proximate analysis. The study found 12 local types of Dioscorea belonging to four species which are used by the community for adaptation after earthquake disaster, namely: D. bulbifera (kentang), D. bulbifera (engal), D. alata (uwi sawa), D. alata (lami), D. alata (uwi kuning ampenan), D. alata (uwi putih ampenan), D. alata (uwi ungu dara kunci), D. alata (uwi putih batu layar), D. alata (uwi ungu batu layar), D. esculenta var. apiculata (surak), D. esculenta var. spinosa (gembili) and D. pentaphylla (buyut). The highest diversity of Dioscorea is found in climate type C3 (8 local types), followed by climate type E (5 local types), climate type D4 (4 local types), climate type B2 (3 local types), and climate type C2 and D3 (1 local type). The local community utilizes the Dioscorea genus in several cultural events including when celebrating the Prophet Muhammad's birthday. The nutritional value of Dioscorea genus is high due to its carbohydrate content (66,09-76,96%), protein content (3.79-10.84%), fat content (1.70-9.58 %) and fiber content (0.32-6.81%). This study shows the potential of Dioscorea to be used as food sources that are cheap, easy to grow, and more adaptive to different environmental conditions to help post-earthquake communities.

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“…However, they are implemented according to each country's legal framework, considering their geographical, historical, and cultural context (Allard et al, 2021;Ornelas et al, 2016a). Recent studies underline that the new building regulations are focused on new materials and techniques, being concerned with specific criteria for new constructions (Brambilla & Sangiorgio, 2021;Nugroho et al, 2022;O'Brien et al, 2020;Wang & van de Lindt, 2022). Other studies focus on the reuse of buildings and their materials; they criticize the waste of local materials (Foster, 2020;Hedieh Arfa et al, 2022), which occurs because the new regulations are concerned with modern materials and techniques.…”

Section: Introductionmentioning

confidence: 99%

Urban Heritage Rehabilitation: Institutional Stakeholders’ Contributions to Improve Implementation of Urban and Building Regulations

Ornelas

Guedes

Breda-Vázquez

et al. 2023

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Climate change, natural hazards, and human actions are threatening cultural heritage in urban areas. More than ever, building regulations’ procedures and criteria are essential to guarantee the protection and safeguarding of urban areas and their buildings. These procedures and criteria are crucial to assist stakeholders in decision-making, especially when facing rapid transitions and transformative changes in urban heritage areas. Several institutional stakeholders in charge of urban heritage protection strengthen the need for a better implementation of building regulations through flexible criteria to support intervention procedures in buildings with different features and in different contexts. Under this topic, the present study uses a twofold method. Firstly, the authors analyze and compare the urban and building regulations of three Southern European countries, Italy, Spain, and Portugal, concerning procedures and criteria directed to the built heritage; secondly, they highlight and compare the views of different institutional stakeholders from the same three countries, at different levels (national, regional, and municipal), to understand the impact of the implementation of the regulations on the ground. The findings show the relevance of the institutional stakeholders’ views to improve the regulations and their practice. They highlight the need to promote inventory and cataloging procedures, as well as flexible criteria when dealing with urban heritage buildings.

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The evolution of Indonesian seismic and concrete building codes: From the past to the present

Cited by 11 publications

References 1 publication

Evolution and Implications of Changes in Seismic Load Codes for Earthquake Resistant Structures Design

Evolution and Implications of Changes in Seismic Load Codes for Earthquake Resistant Structures Design

The diversity, ethnobotany and nutrient contents of Dioscorea for post-disaster food security in Lombok, Indonesia

Urban Heritage Rehabilitation: Institutional Stakeholders’ Contributions to Improve Implementation of Urban and Building Regulations

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