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This result represents the second in recycling of PET around the world, just behind of Japan.
It is being always challenge for researchers to make interlocking brick with light weight material at low cost and improve the performance against aggressive environment. The results of an experimental investigation in which the compressive strength, water absorption and density were investigated by using varying percentage of fly ash, stone dust, and sand with different mix proportion.
Mainly the weakest part of a masonry wall is the mortar joint, as the substitution of lime for aggregate reduces the overall strength of the joint.
For single components however there would be a need to reduce the " overdesigning ".
The study accomplished design simulation and analysis of manual block-making machine, resulting in 3D-view of the final assembly of the machine (made of mild steel) with all standard notations.
All drawings, calculations, design, assembly, simulations, and Finite Element Analysis (FEA) were done by the Autodesk Inventor, 2016 Engineering Design Software.
The results are: Flat lever analysis: The maximum displacement achieved was 0.0000008642mm, while the safety factor was 15ul and so the design of the flat component was acceptable if subjected to loads as exposed. Compactor frame analysis: The maximum displacement was 1.605mm and considering the fixed-end would not actually be fixed in the actual machine, this displacement was found to be acceptable.
The minimum safety factor achieved was 4.35ul which is acceptable and the maximum 15 ul.
Complete assembly analysis: Maximum contact pressure achieved was 36.72 MPa while some components received no contact pressure from the load. The value may lead to an assumption that the machine has been " overdesigned " , but considering that some of the sections of the machine are actually unaffected by the load, or the loading conditions is short, and allowing for that it is an equipment that intends to operate on a daily-basis, and it is made of ductile-material, operated in repeated and impact mode of loading, environmental considerations and also to account for all the unpredictable-factors, then, this safety factor for the machine is acceptable.
It is being always challenge for researchers to make interlocking brick with light weight...
more Interlocking bricks masonry has gained rapid popularity in many foreign countries as an alternative to conventional bricks for sustainable housing.