Ika Sulianti
Politeknik Negeri Sriwijaya

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Analisis Kelayakan Finansial Internal Rate of Return (IRR) dan Benefit Cost Ratio (BCR) pada Alternatif Besaran Teknis Bangunan Pasar Cinde Palembang Sulianti, Ika; Tilik, Lina Flaviana
PILAR Vol 8, No 1 (2013): PILAR 08032012
Publisher : PILAR

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Abstract

This paper discusses the feasibility analysis of financial internal rate of return (IRR) and benefit cost ratio (BCR) on Cinde market which is one of the oldest markets in Palembang. Feasibility analysis  is done by creating two design alternatives which  were different  from existing alternative and assumes revenues received later. By creating different alternatives, land area, kiosks and parking lot,  alternative A has a 26,08% IRR and BCR 1.18. This alternative makes buyers much easier to go directly to the floor or parking lot they want to go to. Effect of technical quantities of market building will greatly affect the financial feasibility with reference to the existing standard.
PENGARUH PEMADATAN BETON SEGAR TERHADAP KUAT TEKAN BETON Tilik, Lina Flaviana; Sulianti, Ika
PILAR Vol 7, No 1 (2012): PILAR 07032012
Publisher : PILAR

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Abstract

Concrete is construction material which frequently used in the field of civil engineering. In constructing process, concrete material is a part of building structure with some superiorities, among others, are: high compressive strength, being able to be formed as needed, no serious maintenance needed, and relatively fireproof and weatherproof. Various studies and experiments in the field of concrete as part of efforts to improve the quality of concrete. One way to increase the strength of concrete is to increase the compacting, which minimizes pores or cavities formed in the concrete. The additive material used in this study is fly ash. Fly ash is a waste of coal burning. The fly ash in this study was taken from PLTU Bukit Asam Tanjung Enim. The type of fly ash used is fly ash F class, which is the result of burning of coal of anthracite/bituminous with low content of CaO, less than 10%.  Maximum density of concrete can be attained by compacting the fresh concrete. The main goal of compaction of the fresh concrete is to eliminate air cavities and to achieve maximum density. The concrete compressive strength will increase if the density of concrete also increases. The compaction of 75 kg / cm ² with no fly ash added   generates  the strength of compressive of concrete  41.08 MPa. The greater compaction of fresh concrete is given, the more compacted the concrete will be, surely the  weight of the concrete content will get heavier. This is because the concrete that has been compacted  will be more compacted, so that air pores in the concrete will be smaller than normal concrete. The maximum weight of concrete of compaction   75 kg / cm ² with no fly ash added is  2.518 ton / m³. In this study the crack tend to form columnar type.
KAJIAN PENERAPAN KESEHATAN DAN KESELAMATAN KERJA (K3) DALAM PROSES BELAJAR MENGAJAR DI BENGKEL DAN LABORATORIUM POLITEKNIK NEGERI SRIWIJAYA INDRAYANI, Indrayani; Sulianti, Ika
PILAR Vol 10, No 1 (2014): PILAR 10032014
Publisher : PILAR

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Aspect of Health Safety and Environment (K3) must be focused on education world, one of the place is Politeknik Negeri Sriwijaya (Polsri), a university located at Palembang that mainly focus on practice before theory. The practiced is done at workshop and laboratory. To prevent any accident, Health Safety and Environment (K3) application should be studied on teaching and learning process at workshop or laboratory of Polsri. Responses from correspondences was taken by questioners towards lectures, technicians, and students majoring Civil Engineering, Chemical Engineering and Mechanical Engineering, and later analyzed by Likert Scale.The grade results of Health Safety and Environment (K3) knowledge from lectures, technicians, students at workshop averaging on A and B range is lower than 50%. It shows that Health Safety and Environment (K3) knowledge must be increased especially on Engineering Major. The result of Health Safety and Environment (K3) equipments used by lectures or technicians is lower than 50% also during teaching and learninprocess, in the contrary Health Safety and Environment (K3) equipments used by students at workshop and laboratory is more than 50%. It is good if 100% always used by them to prevent sickness and accidentbecause of works. The result of Health Safety and Environment (K3) management application at workshopand laboratory is lower than 40% from lectures and technicians, and the result by students is lower than 50%. Students agree that Health Safety and Environment (K3) management already conducted at workshop or laboratory. Moreover, review and management of Health Safety and Environment (K3) at workshop and laboratory still need to be improved.
PENGARUH PERUBAHAN UKURAN MAKSIMUM AGREGAT KASAR TERHADAP JUMLAH SEMEN UNTUK PEMBUATAN BETON SCC DENGAN BAHAN TAMBAH SP430 DAN RP260 Amiruddin, Amiruddin; Ibrahim, Ibrahim; Sulianti, Ika
PILAR Vol 10, No 2 (2014): PILAR 0902014
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Perkembangan teknologi beton saat ini menuju ke beton yang memiliki mutu yang tinggi dan juga memiliki kinerja tinggi (workability rendah). Beton jenis ini dikenal sebagai beton yang dapat memadat sendiri (SCC: Self Compacting Concrete) yang saat ini telah dikenal luas di Jepang, Eropa dan Amerika.Untuk menunjang kinerja beton menjadi tinggi, maka digunakan ukuran agregat kasar yang lebih kecil (maksimum 10 mm) dan untuk mendapatkan workability dan viscositas yang baik dibutuhkan  penambahan aditif.Pada penelitian ini dihasilkan diantaranya pada perubahan ukuran agregat menjadi maksimum 10 mm maka dibutuhkan penambahan semen sebanyak 15%. Untuk penyesuaian komposisi sesuai syarat komposisi  beton SCC maka dibutuhkan penambahan semen menjadi total 22%, serta untuk memenuhi workability yang rendah dibutuhkan penambahan aditif jenis RP260 dan SP430 yang masing – masing 1,5 lt/m3 beton.
Optimizing Mixture Composition to Improve the Performance of Porous Asphalt for Wearing Course as an Environmentally Friendly Road Construction Material Sulianti, Ika; Amiruddin, Amiruddin; Ibrahim, Ibrahim; Subrianto, A.
Jurnal Teknik Sipil dan Perencanaan Vol 21, No 1 (2019): Jurnal Teknik SIpil & Perencanaan
Publisher : Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v21i1.17354

Abstract

Abstract. Porous asphalt is an alternative in flexible pavement which is considered to make water seep into the soil. In previous research have been tested the mixture of  porous asphalt that meets porous asphalt porosity requirements, but found the weaknesses that the stability is still lower than the standard required. Based on result obtained before, the study is aimed at investigating the use of mixture composition variable with different percentages until the optimal conditions were obtained, namely making a normal mixture, 15%, 18.75%, 22.5%, 26.25%, 30% as sand composition reduction. The percentage of sand reducted from previous composition with different asphalt variations. Tests are carried out using the Marshall method. Sequence of tests show that the materials used for experiment meet the requirement.  Optimum Asphalt Content obtained for the mixture are 6% of the total mixed weight. The best Marshall characteristics for AC-WC porous asphalt obtained are at the percentage of 26.25% sand reduction.