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Disaster in Civil Engineering and Architecture
Published by Popular Scientist Publisher
ISSN : -     EISSN : 3089722X     DOI : https://doi.org/10.70028/dcea
Core Subject : Science, Social, Engineering,
Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science Materials Science & Nanotechnology
Disaster in Civil Engineering and Architecture is an international, peer-reviewed, gold open-access journal. It covers both natural and man-made events that severely affect infrastructure, buildings, and the environment. The journal emphasizes the importance of resilient design, thorough planning, and effective management to reduce loss of life, economic damage, and societal disruption. Disaster in Civil Engineering and Architecture is dedicated to providing a rapid publication platform for impactful research worldwide. The journal upholds the quality and integrity of published work through a rigorous peer-review process. Disaster in Civil Engineering and Architecture invites submissions of research papers, case reports, and review studies. The journal is published twice a year, in April and October. Disaster in Civil Engineering and Architecture features an Editorial Board composed of specialists across various fields, ensuring that reviews are prompt, fair, and conducted by experts in all relevant sub-disciplines of the journal.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 23 Documents
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Design of an Efficient Traffic Control Signal Using Webster’s Model: A Case Study of Akure, Nigeria Bolaji, Reuben Ayodeji; Aderinola, Olumuyiwa Samson; Oladipo, Moses Ariyo; Oguntelure, Temitope Elizabeth; Abanire, Michael Oluwagbenga
Disaster in Civil Engineering and Architecture Vol. 3 No. 1: April 2026 (in press)
Publisher : Popular Scientist

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70028/dcea.v3i1.70

Abstract

The fast growth of cities and the increase in automobile usage have made important junctions more congested. This study employs the Webster model to design an efficient traffic signal for Araromi intersection in Akure, Nigeria, using the site traffic data. Results of field observations showed that passenger cars formed the dominant vehicle category, while the observed peak hour (7:45-8:45 AM) recorded a passenger car unit (PCU) of 6505 and a peak flow rate of 6920 pcu/hr. The critical flow ratio of 0.736 confirms that the intersection remains within capacity and the geometry is sufficient. The peak hour factor of 0.94 also indicates that a reliable and efficient signal control system can be effectively implemented at the intersection. The west approach contributed 41% of the total traffic, justifying its longer green interval, followed by the east (35%) and north (24%) approaches. The optimized signal design resulted in a cycle length of 110 seconds. Within this cycle, phases 1, 2, and 3 received 35, 32, and 28 seconds of effective green time, respectively, along with 4 seconds yellow interval for each phase. The signal achieved Level of Service (LOS) C on all approaches, with control delays of 29.94, 31.95, and 32.55 secs/veh, and a volume-to-capacity ratio below 1, indicating stable operations within capacity. This validates the efficiency of the Webster-based signal design and possible improvements in the performance of the intersection when implemented in pretimed or vehicle actuated traffic control systems. These findings provide a practical template for similar urban intersections in the implementation of efficient traffic signals.
Assessment of Service Quality of Sinabang Ferry Port Based on Sinabang - Calang Route Users’ Perception Alpina, Miranti; Darma, Yusria; Refika, Cut Dwi; Mubarak, Mubarak; Dasopang, Ahyin Bilhuda; Mauladea, Faiza; Koting, Suhana
Disaster in Civil Engineering and Architecture Vol. 3 No. 1: April 2026 (in press)
Publisher : Popular Scientist

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70028/dcea.v3i1.72

Abstract

Sinabang Ferry Port serves as a vital transportation hub connecting Simeulue Island with the mainland Sumatra, especially in serving remote and underdeveloped areas. As passenger traffic increases, evaluating service quality becomes crucial to support port management improvements and increase user satisfaction. This study aims to analyze the level of service at Sinabang Ferry Port based on user satisfaction and identify service attributes that need to be prioritized for quality improvement. The data were analyzed using the Importance Performance Analysis (IPA) method with five dimensions of service quality, namely tangibles, reliability, responsiveness, assurance, and empathy. The number of respondents was set at 156 people using the Slovin formula based on the average weekly number of passengers. The results showed that the level of user satisfaction with Sinabang Ferry Port services obtained an average level of suitability (LoS) score of 85,13%, indicating that user may dissatisfaction with port services and the need for improvements. The attributes that need to be prioritized (Quadrant I) include facilities for people with disabilities, pregnant women, and the elderly, information about terminal layout, departures and arrivals, and the availability of security equipment, such as CCTV. Furthermore, the tangibles, reliability, and assurance dimensions require significant attention to enhance service quality. These results provide essential insights for port authorities in formulating targeted and sustainable strategies to strengthen ferry service management and support regional accessibility.
Structural Response of Concrete Buildings to Seismic and Wind Loads in Bangladesh Using ETABS and BNBC 2020 Aziz, Mohammad Abdul; Rahman, Sajedur; Ghosh, Avishek; Mazumdar, Mohammad Hasan Mahmud; Haque, Akramul; Ovi, Fahmida Khanam
Disaster in Civil Engineering and Architecture Vol. 3 No. 1: April 2026 (in press)
Publisher : Popular Scientist

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70028/dcea.v3i1.73

Abstract

Rapid urbanization in Bangladesh has led to an increasing demand for multi-storey buildings, necessitating robust structural design to resist lateral loads from both earthquakes and wind. This study analyzes the seismic and wind load performance of G+8 reinforced concrete (RC) building located in four different seismic zones of Bangladesh, using ETABS 2017 in compliance with the Bangladesh National Building Code (BNBC) 2020. The structure was evaluated under both seismic (EQX, EQY) and wind (WX, WY) loads. The structural analysis revealed that wind loads (WX and WY) consistently govern the lateral design for this structure, as evidenced by storey shear (peaking at 45 Kip at the base in Zone 4 and storey displacement (WX peaking at 8 in) and drift (WX peaking at 0.09 in) being substantially higher than seismic demands. Although base shear linearly increased almost threefold from Zone 1 (33.28 Kip) to Zone 4 (99.84 Kip) due to rising seismic zone coefficients, the wind forces dominate the serviceability checks. Maximum storey displacement and drift were concentrated in Zones 3 and 4, with the latter exhibiting the highest drift (0.065 in WX) and extreme torsional irregularity, peaking at 7.82 in WX. The analysis confirms that both seismic and wind effects significantly influence building performance, with seismic forces dominating in higher zones and wind-induced displacements being critical in specific directions. This underscores the importance of region-specific design considerations to ensure structural safety and serviceability in Bangladesh’s diverse seismic landscape.

Page 3 of 3 | Total Record : 23

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