<span style="font-family:Verdana;">In this study, the possibility of using corn cobs as an organic aggregate in producing lightweight concrete ha</span><span style="font-family:Verdana;&q...<span style="font-family:Verdana;">In this study, the possibility of using corn cobs as an organic aggregate in producing lightweight concrete ha</span><span style="font-family:Verdana;">s</span><span style="font-family:Verdana;"> been investigated. First, some important physical properties of corn cob have been determined in the laboratory. These properties are as follows: weight to volume ratio (unit weight), water absorption rate and granulometric analysis. Later on, 4 concrete mixtures have been prepared according to </span><span style="font-family:Verdana;">the </span><span style="font-family:Verdana;">workability of concrete and standar</span><span style="font-family:Verdana;">d</span><span style="font-family:;" "=""><span style="font-family:Verdana;">s specified in Turkey. After that, unit weight, heat transmissibility coefficient and 28-day pressure strength of these 4 concrete samples have been determined using machines measuring these properties. The 28-day pressure endurance value has been found between 1.4 - 56.25 kgf/cm</span><sup><span style="font-family:Verdana;">2</span></sup><span style="font-family:Verdana;">,</span></span><span style="font-family:;" "=""> </span><span style="font-family:Verdana;">heat transmissibility coefficient ha</span><span style="font-family:Verdana;">s</span><span style="font-family:;" "=""><span style="font-family:Verdana;"> been found between 0.19 - 0.35 Kcal/m<span style="white-space:nowrap;">∙</span></span><span style="font-family:Verdana;">h<span style="white-space:nowrap;">∙</span><span style="white-space:nowrap;">˚</span>C and unit weight of samples have been found between 800 - 1520 kg/m</span><sup><span style="font-family:Verdana;">3</span></sup><span style="font-family:Verdana;">. Lastly</span></span><span style="font-family:Verdana;">,</span><span style="font-family:Verdana;"> these properties of concrete samples have been compared with other lightweight materials being used in </span><span style="font-family:Verdana;">the </span><span style="font-family:Verdana;">construction of buildings.</span>展开更多
文摘<span style="font-family:Verdana;">In this study, the possibility of using corn cobs as an organic aggregate in producing lightweight concrete ha</span><span style="font-family:Verdana;">s</span><span style="font-family:Verdana;"> been investigated. First, some important physical properties of corn cob have been determined in the laboratory. These properties are as follows: weight to volume ratio (unit weight), water absorption rate and granulometric analysis. Later on, 4 concrete mixtures have been prepared according to </span><span style="font-family:Verdana;">the </span><span style="font-family:Verdana;">workability of concrete and standar</span><span style="font-family:Verdana;">d</span><span style="font-family:;" "=""><span style="font-family:Verdana;">s specified in Turkey. After that, unit weight, heat transmissibility coefficient and 28-day pressure strength of these 4 concrete samples have been determined using machines measuring these properties. The 28-day pressure endurance value has been found between 1.4 - 56.25 kgf/cm</span><sup><span style="font-family:Verdana;">2</span></sup><span style="font-family:Verdana;">,</span></span><span style="font-family:;" "=""> </span><span style="font-family:Verdana;">heat transmissibility coefficient ha</span><span style="font-family:Verdana;">s</span><span style="font-family:;" "=""><span style="font-family:Verdana;"> been found between 0.19 - 0.35 Kcal/m<span style="white-space:nowrap;">∙</span></span><span style="font-family:Verdana;">h<span style="white-space:nowrap;">∙</span><span style="white-space:nowrap;">˚</span>C and unit weight of samples have been found between 800 - 1520 kg/m</span><sup><span style="font-family:Verdana;">3</span></sup><span style="font-family:Verdana;">. Lastly</span></span><span style="font-family:Verdana;">,</span><span style="font-family:Verdana;"> these properties of concrete samples have been compared with other lightweight materials being used in </span><span style="font-family:Verdana;">the </span><span style="font-family:Verdana;">construction of buildings.</span>