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Andius Dasa Putra
Universitas Lampung
Civil Engineering, Building, Construction & Architecture Other

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Journal : Jurnal Rekayasa

 1 
PENGARUH WAKTU PEMERAMAN TERHADAP KEKUATAN PAVING BLOCK PASCA PEMBAKARAN MENGGUNAKAN MATERIAL TANAH DAN KAPUR UNTUK JALAN LINGKUNGAN Andius Dasa Putra; Setyanto Setyanto; Onika Permata Sari
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 18, No 3 (2014): Edisi Desember 2014
Publisher : UNIVERSITAS LAMPUNG

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Abstract

Infrastructure rapid development sometimes had negative impact, such as the use of impermeable pavement layers which result the infiltration be hampered. By utilizing the paving block, it can resolve o f infrastuture development problem. Known, paving block is composition of building materials that made from the mixture of portland cement or hydraulic adhesives, water, and agrregates with or without the other ingridient as defined in SNI 03-0691-19996. To find the other alternatives then will do the assesment with the limestone and soil. Soil samples were tested from Desa Karang Anyar, South Lampung. The composition of mixture was used 6 %, 8 % and 10 %, with curing time during 7, 14 and 28 days, and the treatment with or without combustion and then paving block were tested with compressive strength and water absorption. The research results obtained by the characteristics of the soil is a clay samples. The average value of compressive strength was linearly proportional to the amount of lime composition. The compressive strength during 28 days of curring time and without combustion was from 32,96 kg/cm2 to 10,87 kg/cm2, then the compressive strength with combustion was from 16,99 kg/cm2 to 56,91 kg/cm. Water absorption test value was inversely proportional to the amount of lime composition. The water absorption was from 10,07% to 15,07%. The compressive strength resulting over all still not include the specifications of paving block in SK - SNI 03-1996, also for the compressive strength was 85 kg/cm2. The value of water absorption test were not include the specifications of paving block SK SNI - 03 - 0691-1996 which ranges from 3 % - 10 %.
KAJIAN NILAI PCN RUNWAY BERDASAR METODE ANALITIK DAN METODE TEORITIK DI BANDARA H. ASAN SAMPIT Andius Dasa Putra
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 14, No 2 (2010): Edisi Agustus Tahun 2010
Publisher : UNIVERSITAS LAMPUNG

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Implementation of air traffic safety is shown from good operation and free from activity which against the law. This statement has declared on Government Regulation about Air Traffic Safety in Indonesia. Analysis of Pavement Classification Number (PCN) value is the one of air traffic safety requirement. Due to that statement, this research try to evaluation and analysis about performance of runway based on analytical method and theoritical method using data from HWD (Heavy Weight Deflectometer) test. The result of performance runway will shown on PCN value.HWD tests are routinely conducted at the FAA to evaluate performance of pavemnet. HWD tests are conducted in two phases.In the first phase, HWD geophone sensors record vertical deflections at seven points on thepavement surface. The collected data are used for pavement evaluation and environment related thickness response analysis. In the second phase, the insitu pavement sensors record the pavement response while the HWD geophones record the defections on the pavement surface. These tests are conducted by placing the HWD load plate directly over the in situ deflection and strain sensors. One of the objectives of the HWD tests is to develop relationships between the applied load and measured deflections.The result of this research has shown that PCN value from analytical method is 9/F/A/X/T and theoritical method is 38/F/D/X/T. Code letter A or D on PCN value is describe about class of bearing capacity of subgrade. That difference of code letter bearing capacity due to HWD test directly collecting data of subgrade reaction under the pavement but the other method has taken data of subgrade from sample outside of runway . Increasing of bearing capacity of subgrade cause process of compaction on subgrade under the pavement has perfectly done.
PENGARUH WAKTU PEMERAMAN TERHADAP DAYA DUKUNG STABILISASI TANAH LEMPUNG BERPASIR MENGGUNAKAN TX-300 Andius Dasa Putra; Iswan Iswan; S Effendy
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 18, No 3 (2014): Edisi Desember 2014
Publisher : UNIVERSITAS LAMPUNG

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Abstract

Road is one of many things that support the development of construction at citties and villages. Not every soil can be directly used for road construction. Soil conditions in one area will not have the same soil properties with the other area. Some has a good bearing capacity and there’s also some with poor soil bearing capacity. This thing is very influenced by the type of the soil, so that on constructionis is requred a deeper understanding of the soil behavior analytically. In this research, the tested soil is study clay soil that diviced from Dusun kali ayu, Desa jadti baru, Kecamatan tanjung bintang, Kabupaten Lampung Selatan-Provinsi Lampung had been optimized with TX-300 with density of 2.49, water contents of 22.34 percent, 41.08 percent Liquit Limit, plastic limit of 31.92 percent and plasticity index of 9.15 percent. Mixed content of TX-300 that used was 1.2 ml and 6 kg soil sample for 0,7,14 and 28 day with unsoaked method. On physical examination like density and liquit limit increased after stabilized. While the mechanical examination, TX-300 is quite effective in increasing the bearing capacity along with the increasing of curing duration from 21.69% up to 25.92% in 28 days curing time. From CBR test result without soaking , the soil that has stabilized with TX-300 has a less effect in increasing the bearing capacity of the sandy clay soil compared with of stabilizing on soft clay soil.
Co-Authors Agil Julianto Alma Sulton Auliyak Beno Balakosa Pangestu Fara Dwitya I Iswan Iswan . Iswan Iswan Lusmeilia Afriani Novan Adenora Ofik Taufik Purwadi Onika Permata Sari Rahayu Sulistyorini Riant Pandu Pratomo S Effendy Setyanto Setyanto