Abstract
Sustainable development of the built environment in developing countries is a major challenge in the 21st century. The use of local materials in construction of buildings is one of the potential ways to support sustainable development in both urban and rural areas. Building with Compressed Earthen Blocks (CEBs) is becoming more popular due to their low cost and relative abundance of materials. The proposed Green-Compressed Earth Block (GCEB) consists of ordinary CEB ingredients plus Banana fibers, which will be the focus of this study. Banana fibers are widely available worldwide as agricultural waste from Banana cultivation. Banana fibers are environmentally friendly and present important attributes, such as low density, light weight, low cost, high tensile strength, as well as being water and fire resistant. This kind of waste has a greater chance of being utilized for different application in construction and building materials. This focused on the use of banana fiber and its effect on the compressive and flexural strength in CEB. The deflection at the mid-span of the blocks studied was calculated using the Linear Variable Differential Transformer (LVDT). The results of this study will highlight general trends in the strength properties of different soil mixes for CEBs. These efforts are necessary to ensure that GCEB technology becomes more widely accepted in the world of building materials and is considered a reliable option for providing low-cost housing.
Highlights
The demand for low cost sustainable building materials is growing as social, economic, and environmental issues evolve in today’s society
Reinforced blocks with randomly distributed natural banana fibers yielded higher compressive strength results compared to the unreinforced blocks, as shown in Table 4 and Figure 5
The meaning of this experimental study was to evaluate the influence of banana fiber length on the compressive and flexural strength of Green-Compressed Earth Block (GCEB)
Summary
The demand for low cost sustainable building materials is growing as social, economic, and environmental issues evolve in today’s society. Natural building materials offer a number of environmental benefits, which are typically produced using simple, quick processes without the need for highly skilled labor, with low embodied energy, and by using raw materials from plant waste and construction materials. Compressed Earth Blocks (CEBs) are historically local masonry building materials, which are in increasing demand by the sustainable building community. Over 10 million hectares of Banana plantation, with an average of 1500 plants per hectare, exist in more than 160 countries globally, creating tons of banana waste, which have been left over to decompose, emitting a huge amount of methane gas and carbon dioxide These emissions have a negative impact on the environment, which increases global warming every year. Compressed Earth Block (GCEB) that further improves the mechanical properties of CEBs
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