Concrete Pavement Blocks Using Coconut Shell as Coarse Aggregate
Pavement blocks made using cement concrete is very popular in Kerala, India due to its easy installation and durability. Pavement block paved roads, parking spaces and footpaths are a common sight in Kerala. One of the major constituent for the concrete to make such pavement blocks is coarse aggregates (crushed granite). Concrete is one of the most used manmade materials in the world. The mass use concrete is increasing due to growth of infrastructure development and construction activities in the Kerala. Presently Kerala is facing a shortage of coarse aggregate which is sourced from granite quarries due to stringent rules and regulations set by the Government of Kerala. The mass production coarse aggregate such as granite impact the local ecology balance and affect the environment hence causing ecology imbalance. More than 90% of the coconut production in India takes place in the southern states of India including Kerala. Coconut shell is the strongest part covered in coconut. Coconut shells are an agricultural waste and present disposal problems for the local environment. This paper presents the results of a study conducted to investigate the utilization of Coconut shell aggregate as replacement coarse aggregate material in the concrete pavement block manufacturing.
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