Are reinforced concrete girder bridges more economical than structural steel girder bridges : a South African perspective
المؤلف
المصدر
Jordan Journal of Civil Engineering
العدد
المجلد 8، العدد 1 (31 مارس/آذار 2014)، ص ص. 43-57، 15ص.
الناشر
جامعة العلوم و التكنولوجيا الأردنية عمادة البحث العلمي
تاريخ النشر
2014-03-31
دولة النشر
الأردن
عدد الصفحات
15
التخصصات الرئيسية
الموضوعات
الملخص EN
This study investigated the cost-effectiveness of steel girders compared with conventional reinforced concrete girders used in bridge construction in South Africa.
The investigation considered an existing bridge which required widening as a result of increased traffic flow.
The consulting engineers chose two 10 m reinforced concrete girders for the end spans, while two 22 m post-tensioned reinforced concrete girders were used for the central spans.
To determine the cost-effectiveness of the consulting engineer’s choice, steel girders were designed for the 10 m and 22m beams based on the relevant South African design codes of practice.
The analysis was conducted for both non-composite and composite action between the steel girders and the reinforced concrete bridge deck.
Based on the design calculations, a cost comparison was performed.
The investigation revealed that steel girders are an economically viable option when off-the-shelf steel sections up to 10m in length are considered.
For the 10 m girders, a significant cost saving was achieved for both noncomposite and composite construction compared with reinforced concrete.
However, for the 22m spans, the post-tensioned reinforced concrete girders are significantly more cost-effective compared with steel plate girders.
Thus, bridge design engineers should consider steel girders as an option during the conceptual design stage for end spans.
A survey was also conducted among senior engineering professionals to determine the reason (s) for the apathy towards using structural steel sections as girders in bridge construction in South Africa.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Haas, Trevor. 2014. Are reinforced concrete girder bridges more economical than structural steel girder bridges : a South African perspective. Jordan Journal of Civil Engineering،Vol. 8, no. 1, pp.43-57.
https://search.emarefa.net/detail/BIM-350044
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Haas, Trevor. Are reinforced concrete girder bridges more economical than structural steel girder bridges : a South African perspective. Jordan Journal of Civil Engineering Vol. 8, no. 1 (2014), pp.43-57.
https://search.emarefa.net/detail/BIM-350044
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Haas, Trevor. Are reinforced concrete girder bridges more economical than structural steel girder bridges : a South African perspective. Jordan Journal of Civil Engineering. 2014. Vol. 8, no. 1, pp.43-57.
https://search.emarefa.net/detail/BIM-350044
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references : p. 57
رقم السجل
BIM-350044
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر