混凝土强度变异的因素研究  

Study on factors influencing the strength of concrete

作　　者：马玉平[1] 马昕[1] 张志权[1] 

机构地区：[1]长安大学建筑工程学院,陕西西安710061

出　　处：《西安科技大学学报》2004年第3期289-292,共4页Journal of Xi’an University of Science and Technology

摘　　要：水泥混凝土材料具有强度高、可塑性好、耐久性好等优异性能,是当今建筑、交通等工程的主要结构材料。但这些性能均建立在混凝土质量均匀且有所保证的前提下,而混凝土材料对其性能影响的因素较多。本文通过对混凝土质量影响因素的分析,对当前影响较大的因素之一砂子含泥量进行试验,通过分析砂子含泥量对混凝土流动性、强度的影响,给出影响的相对值,以便施工单位、混凝土搅拌站等生产单位在混凝土配制过程中进行控制,从而保证混凝土的质量。Concrete is wildly used in construction field for its high performance concerning strength,plasticity and durability. It should be noted that only when the hydraulic cement mortar is evenly blended and the quality of blending materials is ensured can such performance be expected. The article discussed factors influencing the quality of hydraulic cement mortar and then focused on a key factor—the silt or clay portion in sand. Based on experiments,the article offered statistics on how the flow and strength of hydraulic cement mortar change when silt or clay portion in sand varies. The result is a handy reference of blending proportions for hydraulic cement mortar.

关 键 词：混凝土 砂子含泥量 流动性 强度 

分 类 号：TU528[建筑科学—建筑技术科学]