Volume 16, Issue 10 (1-2017)                   Modares Mechanical Engineering 2017, 16(10): 173-180 | Back to browse issues page

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Sadrmomtazi A, Zarshin Zanoosh R, Babaei H. Experimental investigation into the behavior of concrete containing waste tire rubber,silica fume and polypropylene fiber subjected to impact loading. Modares Mechanical Engineering 2017; 16 (10) :173-180
URL: http://mme.modares.ac.ir/article-15-4142-en.html
Abstract:   (4490 Views)
Structures might be subjected to impulse loads such as impact ones in useful lifetime. Production of new materials that are shown less vulnerable to sudden shocks and vibrations, is the items that should be considered. Concrete is a brittle material and when is exposed to dynamic loads, in addition to its injury, it may be damage to the environment due to disintegration .In this study, waste rubber particles were replaced of fine aggregate in concrete mixture in 3 size 0-1, 1-3 and 3-5 mm and in volume ratio of 0%, 10%, 20%, 30%, 40% and 50%. First with compressive strength test, optimum sizes of rubber particles obtained, then silica fume and polypropylene fiber added to concrete mixture contained optimum size of rubber particles. In addition compressive strength, dry unit weight, velocity of ultrasonic wave, impact with drop hammer and gas gun device test were done. The results shown that, adding rubber particles to concrete mixture decreases compressive strength but increases ductility of it. Also silica fume because of pozzolanic properties increased adhesive in concrete matrix, so increased strength of concrete and polypropylene fiber increased ductility of concrete.
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Article Type: Research Article | Subject: Impact Mechanics
Received: 2016/07/13 | Accepted: 2016/08/29 | Published: 2016/10/9

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