توجه: محتویات این صفحه به صورت خودکار پردازش شده و مقاله‌های نویسندگانی با تشابه اسمی، همگی در بخش یکسان نمایش داده می‌شوند.
۱ADVANTAGES OF USING HIGH PERFORMANCE CONCRETE IN PARTIALLY PRESTRESSED BEAMS AND OPTIMIZATION OF PARTIALLY PRESTRESSED RATIO
نویسنده(ها): ،
اطلاعات انتشار: نخستین کنفرانس بین المللی تکنولوژی بتن، سال
تعداد صفحات: ۱۱
The main objective of this study is to investigate the behaviour of partially prestressed concrete (PPC) beams subjected to pure flexure. The test beams were produced by using both high performance concrete (HPC) and traditional concrete (TC). Test beams were compared with each other for strength, strain and cracking cases. The comparison was done by theoretical and experimental methods.Test measurements included failure loads, deflections, strains in concrete and steels, failure moments and service moments, experimental safety coefficients, number of cracks, crack widths, curvatures. Thus, optimum partially prestress ratio was determined for HPC and TC. Advantages of using high performance concrete in partially prestressed beams were brought out. According to the results of the study optimum partially prestress ratio for PPC beams produced by using traditional concrete is approximately %60. The ratio for PPC beams produced by using high performance concrete is approximately %70. The test results are shown that from many aspects to use high performance cocrete in PPC beams is more convenient than to use traditional concrete in PPC beams under some boundaries and conditions<\div>

۲THE COMPARISON OF THE STRUCTURAL ANALYSIS RESULTS OF REINFORCED CONCRETE CHIMNEYS ACCORDING TO DIFFERENT WIND SPEED
نویسنده(ها): ،
اطلاعات انتشار: نخستین کنفرانس بین المللی تکنولوژی بتن، سال
تعداد صفحات: ۹
There aren’t enough Turkish documents about designs of reinforced concrete chimney which is one of the special engineering constructions. As this subject isn’t given place in the educational programmes adequately, information about this subject of constructional engineers has been insufficient. Accordingly, Turkish engineers have been taking into consideration foreign sources and legislations and using any method of structural analysis that they acquire somehow. The main aim of this study is to analyze structurally reinforced concrete chimneys classified as special engineering constructions with different methods and Contribute to Turkish legislation which will be prepared about mentioned chimneys with examining of acquired findings.<\div>
نمایش نتایج ۱ تا ۲ از میان ۲ نتیجه