Pengaruh Variasi Penambahan Limbah Plastik Terhadap Kekuatan Tekan Batako Dalam Upaya Pemanfaatan Limbah

Abstract

At this time, is a material that is needed by the public at large and the impact is also extraordinary after the is used in daily life which can cause serious problems if the management is not done properly. The problem of waste does not only occur in the city of Semarang, but also in other cities, so the Ministry of Environment and Forestry has implemented a pay-for-use bag program in the short term. But this is only to deal with problems in the short term. In the long term, it will not solve the problem of plastic because the policy actually encourages people to buy that is of course will add a new burden to the people to buy it. The results showed that the compressive strength of a hollow concrete brick (brick) with a model / type BN d.d. B1,0 there is a decrease in the average compressive strength. The highest at the addition of 0.10% with compressive strength on average reached 35.21 kg / cm², in general the decrease occurred in the addition of each different from 0.10% to 1.0% of the weight of sand with the lowest compressive strength of 21 , 16 kg / cm². Regression equation obtained Y = - 0.119 X² + 0.008 X + 35.53 with a correlation value of R² = 0.987, meaning that with the addition of has a very strong influence on compressive strength. So that it can be obtained an illustration that by adding to the manufacture of hollow concrete brick (brick) can affect the compressive strength decreases. Despite the decline, the quality of the brick is still good and above the lowest quality Level IV with compressive strength above 2.0 MPa which may still be made with variations Plastic with a composition greater than 1% or comparative composition of Portland Cement (PC) with sand is made more small (<1 PC: 7 Sand), with the hope that this Plastic waste can be utilized optimally. Kata kunci : waste, brick making, waste utilization