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INDONESIA
Teknisia
Published by Universitas Islam Indonesia
ISSN : 08538557     EISSN : 27460185     DOI : 10.20885/teknisia
Core Subject : Engineering,
Engineering
Jurnal Teknisia terbit pertama kali pada bulan April 1996. Pada awal berdirinya, Jurnal Teknisia merupakan jurnal ilmiah berkala yang diterbitkan tiga kali setahun oleh Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia, Daerah Istimewa Yogyakarta yang berisi artikel-artikel bidang teknik sipil, teknik lingkungan, dan arsitektur.
Arjuna Subject : -
Articles 143 Documents
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Analysis of earthquake impact on market buildings in North Bengkulu using the soil response and finite element method Anugrah Juniarto, Danu; Lindung Zalbuin Mase; Khairul Amri; Rena Misliniyati; Fepy Supriani
Teknisia Vol 31 No 1 (2026): Teknisia
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknisia.vol31.iss1.art5

Abstract

The vulnerability of market buildings in active seismic zones, such as North Bengkulu which is surrounded by the Sumatran subduction zone and active faults presents a critical research challenge due to the lack of integrated soil-structure seismic assessments for commercial infrastructure. The aim of this study is to evaluate the effects of earthquakes on the Purwodadi Market Building through the integration of soil response analysis and structural dynamics. The methods employed involved calculating soil response based on historical earthquake records of the 2007 Bengkulu–Mentawai Earthquake (subduction, Mw 8.4) and the 1952 Ketahun Earthquake (active fault, Mw 6.8), followed by structural modelling using the Finite Element Method (FEM). The main quantitative results show that the local clay layer significantly amplifies ground motion, with a Peak Ground Acceleration (PGA) at the surface of 0.485 g for the subduction earthquake and 0.389 g for the fault earthquake. The amplification factors at the surface are 1.95 and 1.73, respectively. Structural simulations recorded a substantial increase in internal forces; for example, the bending moment in beam B1 increased from 0.82 kNm to 61.01 kNm, and the shear force at the head of the pile cap PC increased from 2.15 kN to 65.12 kN. Nevertheless, all structural components maintained stress ratios below 1.0, confirming that the building meets the safety standards of SNI 1726:2019. It is concluded that the integration of site-specific ground response with FEM-based structural dynamics is crucial for improving seismic resistance assessment. This study recommends the continued application of this combined method for buildings in earthquake-prone areas and the expansion of earthquake data coverage to improve future risk mitigation strategies.
GIS-Based exposure assessment of primary roads and bridges to flood and landslide hazards in Central Java, Indonesia Kushari, Berlian; Ramli, Muhammad Isran; Bakri, Bambang; Arsyad, Ardy
Teknisia Vol 31 No 1 (2026): Teknisia
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknisia.vol31.iss1.art3

Abstract

The continuity of road transportation services is always threatened by flash flood and landslide in Central Java Province that is always exposed to disaster. This study proposes a province-wide GIS-based assessment to determine the most vulnerable road sections and bridges to these hazards. Road and bridge inventories were overlaid on the official BNPB hazard maps by using ArcGIS, and exposure levels were quantified by the length of the road segments and the number of bridges crossing the low-, medium-, and high-hazard areas. The definition of hazard used in this study is the spatial potential of occurrence, not to be understood as a measure of risk of network vulnerability. The results indicate that flash flood exposure is not limited to lowland corridors, but is also prevalent in upland corridors, and that there are significant exposures along riverine systems. In contrast, landslide exposure is more spatially concentrated along upland corridors associated with steep terrain. There are several corridors that are identified as multi-hazard hotspots, such as Karang Pucung – Wangon, Bumiayu – Salem and Kutoarjo – Bruno – Wonosobo. Overall, this study offers explicit spatial information regarding exposure to hazards of the primary road network, which can serve as a basis for prioritization of mitigation, monitoring, and further connectivity-based hazard vulnerability analysis.
Skid resistance analysis in relation to temperature and surface Conditions: a case study of Kaliurang Road KM 8–9 Salsabiilaa , Desfilia; Hadi, Muhamad Abdul
Teknisia Vol 31 No 1 (2026): Teknisia
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknisia.vol31.iss1.art4

Abstract

The high number of traffic accidents in Yogyakarta requires a review of road surface conditions, especially in terms of skid resistance which is considered a safety indicator. This study analyzes the effect of surface temperature and road condition on skid resistance value on Kaliurang Road KM 8-9 using British Pendulum Test (BPT) tool. This is based on the viscoelasticity of asphalt, micro and macro texture and the effect of water layers. The results indicate that an increase in temperature decreases skid resistance values, or British Pendulum Number (BPN), in all conditions, with dry values ranging from 90 to 74 and wet conditions ranging from 58 to 43. All test points complied with TRRL standard (>65 BPN) under dry condition while only STA 8+000-8+200 segment complied with minimum limit (>55 BPN) under wet condition. The relationship between surface temperature and skid resistance values was determined using Pearson correlation and simple linear regression analyses. The analysis results indicated a significant negative correlation between temperature and skid resistance values and a decrease in BPN of 0.849 in a dry and 0.950 in a wet condition for each increase of 1 °C in temperature. The results of this study showed that temperature and the presence of water are proven to be significant factors that reduce the skid resistance so that pavement maintenance on Kaliurang Road KM 8-9 is needed to reduce the risk of accidents.

Page 15 of 15 | Total Record : 143

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