Sanjaya, William
Universitas Kristen Krida Wacana

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Measuring The Infiltration Rate Of Biopore Holes Using Selection And Composittion Of Wase ( A Case Study Conducted At Campus 1 Of Ukrida Jakarta) Sanjaya, William; Christian, Kevin Billy; Gunaran, Danny; Budirahardjo, Elly Kusumawati
Teknik dan Ilmu Komputer Vol. 06 No. 22 April - Juni 2017
Publisher : Teknik dan Ilmu Komputer

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Abstract Biopore,a water conservation technique, are holes made on the earths surface that function as the entrance for rainwater into the soil. This research aims to determine the infiltration rate of biopore holes in various waste to further analyze the waste composition that affects the rate the most. Each hole infiltration rate is tested every week for 10 weeks. The result shows connection between the waste type and composition and the age of the waste. The waste used are dry leaves, meat or fish waste, and organic kitchen waste. Wet waste tends to increase the infiltration  rate (98.365%) greater than dry waste (58.06%). Meat or fish waste needs more time (four weeks) to reach maximum increase rate compared  to the other types of waste. In addition, the dominant composition of wet waste in the mixture has increased the infiltration rate. The maximum infiltration rate of biopore holes is reached between the second week and the fourth week. The surrounding environmment such as weather and soil charateristics can affect the acquired data. Keywords: biopore, infiltration rate, organic waste
The Effect of Using Ceramic Powders as Additional Fine Agregates in Asphalt Mixture Laia, Sandro; Sanjaya, William; Ruhulesin, Ronald Regen; ., Rachmansyah
Teknik dan Ilmu Komputer vol. 05 no. 18 April - Juni 2016
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Abstrak Meningkatkan stabilitas jalan raya merupakan hal yang penting untuk diperhatikan, agar jalan yang dilalui oleh kendaraan tidak mudah rusak. Serbuk keramik yang digunakan untuk meningkatkan stabilitas dengan menggunakan komposisi 10%, 15%, dan 20% dari agregat halus. Dari hasil pengujian yang telah dilakukan diperoleh kesimpulan bahwa penambahan serbuk keramik dapat meningkatkan stabilitas dari campuran benda uji dengan nilai awal 893,75 kg dengan campuran 10% keramik pada agregat halus dan 1097,27 kg dengan campuran 20% keramik pada agregat halus. Dengan pengaruh penambahan serbuk keramik terhadap density, VMA, dan VFA, campuran tidak menunjukkan pengaruh yang berbanding lurus. Penambahan serbuk keramik cukup meningkatkan stabilitas dan alir atau  flow dari spesifikasi yang diharapkan. Untuk persentase rongga udara, VMA dan VFA belum memenuhi kriteria atau masuk spesifikasi. Kata Kunci: serbuk keramik, campuran aspal, stabilitas  Abstract Increasing pavement stability is very crucial in order to avoid road damages. Ceramic powder used in this research aimed at increasing the stability by using the compositions of 10%, 15%, and 20% of fine aggregates. The results concluded that the addition of ceramic powder could increase the stability of sample mixtures with an initial value of 893.75 kg for the addition of 10% ceramic powder to  fine aggregates and 1097.27 kg for the 20% ceramic powder to fine aggregates. The  effects of ceramic powder addition towards the density, VMA, and VFA did not show a linear correlation. The addition of ceramic powder only improved the stability and flow of the expected specifications. The VIM, VMA, and VFA had not yet met the specifications. Keywords: Ceramic powder, asphalt mixtures, stabilityÂÂ