Construction Site Layout Planning (CSLP) comprises determining, sizing and placing of the temporary facilities within the boundaries of a construction site by considering many factors. Traveling distance between facilities and safety risks are two essential factors that need to be minimized while planning site layout of a construction project. Many studies treated CSLP as a single objective optimization problem. They have mainly focused on either diminishing the travel cost of resources on site without considering the safety aspect or vice versa. While a few of the studies have treated the problem as a multi-objective optimization problem, none of them included a risk assessment approach including crane-related constraints. Hence, a user-friendly CSLP model that includes a risk assessment approach for safety constraints is proposed by using a Multi-Objective Particle Swarm Optimization algorithm based on Pareto dominance approach to minimize both the construction safety risks of crane operated projects and the total traveling distance of the resources between temporary facilities.
Türkiye'nin bir deprem ülkesi olması nedeniyle, gerçekleştirilen yapım işlerinin projelerine uygun yürütülmesi hayati önem arz etmektedir. Ülkemizde daha önce yaşanan depremlerde yıkılan yapılar incelendiğinde, yıkımların temel sebebinin deprem değil, yapıların uygunsuz üretimi olduğu belirlenmiştir. 4708 sayılı Yapı Denetimi
Son y›llarda yaflanan ekonomik dalgalanmalar tüm sektörleri oldu¤u gibi inflaat sektörünü de etkilemifltir. Ülkemizde inflaat sektörü, ekonominin lokomotif sektörü konumundad›r. ‹nflaat sektöründeki yo¤un ifl imkân›, her y›l pek çok ö¤rencinin inflaat mühendisli¤i bölümünü seçmesinde önemli rol oynamaktad›r. Bu çal›flmada, inflaat mühendisli¤i bölümü ö¤rencilerinin meslek seçimi konusundaki bilinç düzeyini ölçmek, mesleki beklentilerini ve kariyer hedeflerini belirlemek amac›yla 370 ö¤renciye bir anket çal›flma-s› uygulanm›flt›r. Anket çal›flmas› sonucu elde edilen veriler, yüzde-frekans cinsinden de¤erlendirilmifl ve medyan sonuçlar› verilmifltir. Ö¤rencilere mezun olduktan sonra çal›flmak istedikleri alanlar sorulmufl ve Thurstone tekni¤ine göre analiz edilmifltir. Mesleki beklentiler anketine aç›mlay›c› faktör analizi, do¤rulay›c› faktör analizi ve yap› geçerlili¤i analizleri uygu-lanm›fl ve sonuçlar tart›fl›lm›flt›r. Yap›lan hipotez testleri sonucunda, ö¤renciyken ifl deneyimine sahip olma ve üniversitelere göre meslek sevgisi ve ülke ve sektör durumu faktörlerinde anlaml› farkl›l›k bulunmufltur.
Unfair wage policies that fail to meet the needs of employees have been cited to be one of the most important reasons for high turnover rates of construction professionals. Despite, little research has been conducted related to the determinants of a fair wage, and industry-wide wage policies. Hence, a questionnaire survey was held in 2016 with 305 company/human resource managers and 410 construction engineers working in the Turkish construction industry, which is one of the largest in the world, to determine wage policies of the companies. Findings of the questionnaire survey are discussed within the frame of the literature findings related to the prerequisites of a fair wage. Wages of respondents are compared to the legal minimum wage requirements. Effects of some compensable variables like the level of education, experience, seniority in the company, foreign language skills, computer skills, the complexity of the project, the location of the project and the size of the company on the wage rates are examined by using Multinomial Logistic Regression Analysis and Self Organizing Maps. Lorenz Curves and Gini Coefficients are used to represent and analyze the wage distribution of the respondents. Multinational comparisons are presented where possible. The findings of the current research present a benchmark for further research related to the prevailing wages, wage inequalities, and the wage policies, not only for Turkish construction industry but also for the construction industry worldwide.
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