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All Journal JURNAL KARYA TEKNIK SIPIL
Bambang Pardoyo
Departemen Teknik Sipil FT. UNDIP Jl. Prof. H. Soedarto SH., Tembalang, Semarang 50275
Civil Engineering, Building, Construction & Architecture

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ANALISIS STABILITAS LERENG BOJA – DARUPONO STA. 10+720 JAWA TENGAH DAN USULAN PENANGANANNYA Indra Adrianto; Indah Duanita Pusparini; Sri Prabandiyani; Bambang Pardoyo
Jurnal Karya Teknik Sipil Volume 5, Nomor 2, Tahun 2016
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The landslide occurred on road Boja – Darupono Sta. 10+720 created a long traffic jam and holding up economic development between Kendal and Semarang. By analyzing the slope stability by using Fellenius method, it is shown that the SF or safety factor of the slope is 1,19 for the radius of the circle ( R ) = 28,67 and 1,63 for R = 27,09. While SF on a Plaxis V.8.2 program is 1,19, so it can be concluded that the slope in critical condition because of the SF on Plaxis V.8.2 program smaller than that of 1,5 safe although the safety factor on Fellenius value is greater than the value of safe SF. The first alternative of slope reinforcement is a Bored pile, the second alternative is Geotextille with a Counter weight. Based on finite element method calculation using Plaxis V.8.2 program, reinforcement with Bored pile produce SF = 1,75 and Geotextille with a Counter weight SF = 1,5. This form these two alternatives, Bored pile reinforcement has the greatest, so can be considered as the best alternative solution.
STABILISASI TANAH LEMPUNG EKSPANSIF GODONG-PURWODADI KM 50 MENGGUNAKAN PROSES ELEKTROKINETIK DENGAN STABILISATOR ACCU ZUUR DAN KAPUR Wisnu Permadi; Brian Kusuma Pradipta; Siti Hardiyati; Bambang Pardoyo
Jurnal Karya Teknik Sipil Volume 5, Nomor 2, Tahun 2016
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Electrokinetic is one of the improvement methods that can be used to reducing water content of the expansive soil, by way of setting the right distance configuration of katode and anode which carrying electricity to the soil in definite distance and period. This research using accu zuur as stabilizer that helps to release water particle and flow the water from anode to katode as manifesatation of electroosmosis tendency. Results show optimum conditions from stabilization is on 20% of accu zuur, 24 hours of electrokinetics period, 25cm distance of electrode configuration and 56x of compaction.It gives results the rising of shear strength 3,557 kg/cm3 from native soil 1,799 kg/cm3. Swelling potential also decrease to 0,46% with swell pressure 0 kPa. The conclusion is accu zuur only has a function to reduce water content of the soil and lime can bind the soil particle of expansive clay soil,so the swell turn smaller than before.
Co-Authors Brian Kusuma Pradipta Indah Duanita Pusparini Indra Adrianto Siti Hardiyati Sri Prabandiyani Wisnu Permadi