Passive and active control systems have been used in practical applications for new or existing structures. Active systems have generally better performance compared to passive ones, but the control... Show More

Passive and active control systems have been used in practical applications for new or existing structures. Active systems have generally better performance compared to passive ones, but the control force ad time-delay effects in the production of this control force are needed to be considered. In this study, passive tuned mass dampers (TMDs) and active tuned mass dampers (ATMDs) are compared for structures subjected to earthquake motions. For optimization of both systems, an improved harmony search algorithm is proposed. In the optimum design of ATMD, time-delay and control force limitation are considered. The comparison is presented for a 15-story reinforced concrete (RC) frame structure. According to the results, ATMD is effective than TMD in the reduction of structural displacement.

Building Information Modelling (BIM) can be considered as a design thinking tool in architecture besides its technical aspects. Many of the companies and countries commonly prefer using BIM in... Show More

Building Information Modelling (BIM) can be considered as a design thinking tool in architecture besides its technical aspects. Many of the companies and countries commonly prefer using BIM in projects. The development of BIM in the AEC industry points out its adoption in education. BIM in architectural design education has to be searched for the current state. This research investigates the determination of benefits and awareness of BIM in design courses and architectural education. The effects of associating BIM education with the design studio are observed through a case study. The development of design processes by using BIM tools is observed. The study helps to investigate the use and adoption of BIM in design education.

One of the most important tasks of structural engineers is the design of structural elements with appropriate cross-sections to ensure the balance of economy and safety in structural design. In this... Show More

One of the most important tasks of structural engineers is the design of structural elements with appropriate cross-sections to ensure the balance of economy and safety in structural design. In this context, different numerical algorithms are developed for the optimum design of structural systems. In this study, the optimum design of the roof structural model made of wood is done using teaching-learning based optimization (TLBO) in case of fire-free and fire according to Eurocode 5. The sections of the existing timber roof structure in the literature are calculated in case of fire-free and fire (30 and 60 minutes of fire). The necessity of the proposed method is emphasized by comparing the obtained optimum cross-sections in the case of fire-free with the values available in the literature. As a result, the optimum cross-section of timber roof structural elements and the wood type is determined in a short time for the different fire situations where the cross-section and characteristic features change with time.

Digital Twin (DT) is seen as the new shift paradigm for digital transformation in the post-pandemic-built environment sector. Learning from the implementation of Building Information Modelling (BIM)... Show More

Digital Twin (DT) is seen as the new shift paradigm for digital transformation in the post-pandemic-built environment sector. Learning from the implementation of Building Information Modelling (BIM) for Asset Management (AM), there are recurring themes that the interoperability challenge is the key barrier to firstly overcome. The absence of a critical overview of issues and research related to BIM-AM interoperability, is hindering the achievement of sustainable and effective integration between the two systems. Therefore, the aim of this paper is to review and analyse the trends and overview of the BIM-AM interoperability publications, identifies and classifies the major research topics on BIM-AM interoperability and finally, proposes future research interoperability directions for DT initiative adoption. To achieve the research aim, a systematic review of the work done to achieve interoperability using a wide range of digital technologies published between 2010 and 2020 related to the interoperability challenges between BIM, and AM and real-time data sources was conducted.

Adaptive reuse (AR) —the process of adapting existing buildings for new purposes can be an effective post-disaster strategy to shelter displaced people in densely built environments. As the... Show More

Adaptive reuse (AR) —the process of adapting existing buildings for new purposes can be an effective post-disaster strategy to shelter displaced people in densely built environments. As the literature documents no systematic tools to measure the suitability of existing buildings as collective shelters, this paper presents a multi-criteria shelter assessment tool (CS/ARP) for pre-disaster and rapid post-disaster uses. The study aims to discuss the CS/ARP methods’ potentials and provide evidence-based arguments for proactive disaster preparedness along with possible BIM and GIS connections. The proposed tool was tested through an in-depth case study involving the assessments of 3 school buildings in Istanbul. The assessments containing 119 categorized criteria under scorable assessment forms, facilitate the selection of the best building options among alternatives in a predetermined urban area. Decision-makers, designers and researchers may benefit from the proposed assessment approach with a specific focus on the temporary use of existing buildings with high digitalization potential.