Abstract:
A detailed investigation on papercrete specimen of size 100×100×100 mm made with different ingredients like sand, fly ash and glass fiber was carried out after 28 days of air curing. Papercrete is a new construction material made with waste paper, cement and water. Papercrete had been used to build low cost homes without much knowledge of its structural properties. The purpose of this study is to obtain compressive strength and mass density of papercrete by doing some trial mixes of papercrete with different ingredients. From this study it has been observed that the papercrete is a lightweight material and it can be used as an infill material in high rise buildings.
I. Introduction:
The emission of CO2 from construction sites due to use of cement is a major issue for all the countries. On the other hand, people's desire to live in an Eco-friendly environment is continuous increasing due to awareness. Consequently this study is carried out in order to resolve these kinds of issues. Papercrete is a new composite material made using waste paper. Papercrete reduces the amount of cement volume and make environment friendly building material. Papercrete is a material originally developed 80 years ago but it is recently rediscovered. Papercrete is a mixture of cement, sand, and paper. When combined and cured, these materials produce a product similar to concrete; however, it is very lightweight. Furthermore, the cost efficiency gained by utilizing the ample supply of recycled paper reinforces the need for the research of this alternative. All portions of the encasement structure have different strength requirements. For example, the centerline of a beam does not need a large compressive strength. By adding paper we can reduce the construction material density and use material in an efficient manner, we maintain a structurally sound building at a lower cost. It was decided to study papercrete to measure its strength, workability, and other properties to determine if it could be used to reduce the cost of buildings. Papercrete has good sound absorption characteristics. Papercrete made with some special mixes is resistant to fire, fungi, and pests of all kinds. Papercrete blocks made with a sufficient quantity of Portland cement and sand are fire resistant. We can make papercrete blocks fireproof by coating them with a solution of boric acid and borax and using a concrete sealer papercrete blocks can be made waterproof. Due to the light weight of Papercrete building blocks it can be used for interior walls in high-rise buildings in seismically active areas. Using papercrete building blocks in place of conventional or concrete bricks/blocks could reduce the dead load of structure and reduce the steel percentage and the depth of foundations required. Use of wastepaper in concrete could become an economical and profitable substitute to landfills, incinerator, or other use options.
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