منابع مشابه
Replacement of Cement in Concrete
Cement is a binding material, a substance that sets and hardens independently, and can bind other materials together. In ancient civilization the binding materials were of traditional type such as jaggery, lead, jute, rice husk etc, now in modern civilization cement is main binding materials. The use of concrete containing high volume fly-ash has recently gained popularity as a resource efficie...
متن کاملConcrete Debris Recycling, Environmental and Economic Effects
In this paper, first we identify the destruction ways of concrete constructions and the benefits of waste management and the plans to recycle the concrete debris were investigated and it was concluded that the existence of plans to recycle the concrete debris could lead to big economic save ups and by recycling these debris we can create affordable ways for concrete making centers. By the way, ...
متن کاملCement and Concrete Nanoscience and Nanotechnology
Concrete science is a multidisciplinary area of research where nanotechnology potentially offers the opportunity to enhance the understanding of concrete behavior, to engineer its properties and to lower production and ecological cost of construction materials. Recent work at the National Research Council Canada in the area of concrete materials research has shown the potential of improving con...
متن کاملRecycled Materials in Portland Cement Concrete
.............................................................................................................................1 Wastes and By-Products for Use in Portland Cement Concrete.....................................2 RESEARCH OBJECTIVES ....................................................................................................3 LITERATURE SURVEY.....................................
متن کاملPartial Replacement of Metakaoline in Cement Concrete
Concrete is the extensively used construction material in the world. However, environmental concerns both in terms of damage caused by the extraction of raw material and CO2 emission during cement manufacture have brought pressure to reduce cement consumption by the use of supplementary materials. The utilization of calcined clay, in the form of metakaolin (MK) in concrete has received consider...
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ژورنال
عنوان ژورنال: Concrete Research and Technology
سال: 2000
ISSN: 1340-4733
DOI: 10.3151/crt1990.11.3_139