Recycling of Concrete Demolition Waste: pathway to sustainable development
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Description
Over the years, advancement in the construction industry and the need for
change and improvement towards new structures have led to increase in the use of
construction materials and generation of construction and demolition wastes (CDW).
These construction wastes are aesthetically displeasing and not of good environmental
impact. Its presence in the environment also occupies space. This study reviewed
researches carried out independently by different researchers to establish the recycling
of concrete waste for fresh construction purposes. This puts into consideration the
integrity of new structures built from using these concrete wastes; hence researching into
its impact on certain properties such as workability, compressive strength, water
absorption and more. The line drawn from the distinct works established the possibility
of recycling concrete wastes for further use in construction purposes with retention of
structural integrity. The results from two research works compared established 25% to
30% optimum replacement level of recycled concrete with satisfactory structural
properties.
Keywords
QD Chemistry, TJ Mechanical engineering and machinery