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Program Studi Teknik Sipil, Fakultas Teknik Universitas Bengkulu Jl. W.R. Supratman, Kandang Limun, Bengkulu
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Inersia : Jurnal Teknik Sipil
Published by Universitas Bengkulu
ISSN : 20869045     EISSN : 26865017     DOI : https://doi.org/10.33369/ijts
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Each volume contains two editions. The first edtion is published in April and the second one in October. This journal accomodates the research result in the area of civil engineering, i.e. Construction Management, Geotechnical Engineering, Structural Engineering, Transportation Engineering and Water Resources Engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 5 Documents
 1 
Search results for , issue "Vol 4, No 2 (2012)" : 5 Documents clear
PENGARUH KONFIGURASI TULANGAN SENGKANG TERHADAP KAPASITAS GESER DAN POLA KEHANCURAN KOLOM YANG DIBEBANI TEKAN AKSIAL Mulyadi Mulyadi; Abdullah Abdullah; Surya Bermansyah
Inersia: Jurnal Teknik Sipil Vol 4, No 2 (2012)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (308.075 KB) | DOI: 10.33369/ijts.4.2.25-32

Abstract

The study of bearing capacity and buckling behavior of reinforced foamed concrete column under compressive load.The aim of this research is for knowing the bearing capacity and buckling behavior of reinforced foamed concrete column. This research can be used as the base for precast column of reinforced foamed concrete in non engineered building.The samples for the reinforced foamed concrete column have, w/c : 0.5 ; SG: 1.2, and 0.5% in weight percentage . the control sample is a 15x30 cm cylinder. The column is 200 cm inheight.RFC2510 with cross section 25 x 25 has 4?10 mm main bars, and ?8-100 for stirrups. RFC3010 with cross section 30 x 30 has 4?10 mm main bars, and ?8-100 for stirrups. RFC3012 with cross section 30 x 30 has 4?12 mm main bars, and ?8-100 for stirrups. RFC2510-75 with cross section 25 x 25 has 4?10 mm main bars, and ?8-75 for stirrups.The type of load given is the axial load. In this research the average compressive strength is (f’c) 100.038 kg/cm2, the modulus of elasticity (Ec) is 29793.069 kg/cm2, and the average tensile strength (ft) is 9.572 kg/cm2.The capacity of axial load for each column RFC2510, RFC3010, RFC3012, RFC2510-75, is 49.990ton, 70.310 ton, 58.570 ton, and 51.910 ton respectively. The increase of axial load capacity is influenced by dimension and the distance of stirrups in the column sample. However in this research the using of the bigger bar diameter does not influence the axial load to the column sample. The ratio from the lab test to the theory one is less than 1. The suitable factor reduction for reinforced foamed concrete is 0.61
PENGGUNAAN ABU CANGKANG SAWIT SEBAGAI PENGGANTI PADA SEBAGIAN SEMEN UNTUK MENAMBAH KEKUATAN TEKAN MORTAR Khairil Anwar; Mawardi Mawardi
Inersia: Jurnal Teknik Sipil Vol 4, No 2 (2012)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (418.727 KB) | DOI: 10.33369/ijts.4.2.33-42

Abstract

The objective of this research was to investigate the influence of palm ash powder as a substitute for a fraction of the cement to the mortar compressive strength. Palm ash constitutes as cesspool of palm production that contains a lot of silica element (SiO) and constitutes pozzolanic material. The sample used were cubes size 50 mm x 50 mm x 50 mm. Sand that used have 2 variation are mountain sand and sea sand and have 2 processing are washing and not washing. The method that used is anava 2 way. The testing object was made by composition of mixture 1 cement : 2 sand and 1 cement : 4 sand, by variation of palm ash addition on cement 0%, 7.5%, 12.5%, 25%, and 30%. By the research showed pressure strength respectively viz 38.52 MPa, 21.85 MPa, 17.10 MPa, 7.66 MPa, and 5.59 MPa. The test was conducted after the mortar was 28 days old. The test result of mortar found that higher content of the fruit bunch ash so lower of compressive mortar strength. So that the objective of this research dont have optimum percentage of palm ash to compressive strength of mortar and palm ash dont used as a subsitute for a fraction of cement to the mortar compressive strength.
PERILAKU KUAT TEKAN BETON DENGAN ABU CANGKANG SAWIT SEBAGAI PENGGANTI SEBAGIAN SEMEN Martin Lerry; Elhusna Elhusna; Yuzuar Afrizal
Inersia: Jurnal Teknik Sipil Vol 4, No 2 (2012)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (305.472 KB) | DOI: 10.33369/ijts.4.2.43-50

Abstract

The aim of this research was to know if palm oil (Elaeis Guineensis) fly ash could replace some cement. Palm oil fly ash which used was taken from palm oil factory PT.Sandabi Indah Lestari at North Bengkulu. The research was directed according to SK SNI-T-15-1990-03, used cylinder specimens, water cement ratio 0.5, and slump value 30-60 mm. The research was substituted partly cement with palm oil fly ash as 0%, 5%, 10%, 15%, and 20% of cement weight. There were two types of sand used in the research namely oceanic sand and mountain sand. All the samples had the same caring until 28 days when the compression test carried out. Concrete compression strength showed decreasing trend. The strength decreased as theincreasing of percent of palm oil fly ash used. The maximum decreases compared to the strength of concrete without the ash were 40% when the concrete used mountain sand and 45,19% when it used oceanic sand.
ANALISIS KUALITAS KONSTRUKSI PERUMAHAN REAL ESTATE DI KOTA BENGKULU BERDASARKAN PERSEPSI KONSUMEN DAN KESESUAIAN PERSYARATAN TAHAN GEMPA Meilia Evita; Fepy Supriani
Inersia: Jurnal Teknik Sipil Vol 4, No 2 (2012)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (287.482 KB) | DOI: 10.33369/ijts.4.2.1-12

Abstract

This research aims to know the quality of real estate construction according to consumers’ perception and compatibility of requirement. The requirement used in this research is the Technical Guidelines of Earthquake-Resistant House and Building. Besides, according to consumers’ perception, it can elaborate the main priority of the increasing quality of developer’s performance. The research used survey methods. They were field observation, interview, and distributing 146 questionnaires which take sample in six real estate residences in Bengkulu. The questionnaire was analyzed using frequency distribution method, mean and rank, and importance-performance. The result of analysis elaborated that the construction quality of real estate residence according to consumers’ perception is quite good with percentage 65, 147%. The priority indicators to increase the performance of real estate developer are the quality of floor, wall, frame, door, and window. On the other hand, the quality of real estate residence according to working compatibility with earthquake-resistant requirement, it is quite good with percentage 64,236% and compatibility of material with earthquake resistant requirement is in good quality with percentage 94,639%.
ANALISIS POTENSI LIKUIFAKSI DENGAN PENDEKATAN PROBABILISTIK (PERFORMANCE-BASED EVALUATION) DI KOTA PADANG, SUMATERA BARAT Rena Misliniyati; FX Toha; I Wayan Sengara
Inersia: Jurnal Teknik Sipil Vol 4, No 2 (2012)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1250.191 KB) | DOI: 10.33369/ijts.4.2.13-24

Abstract

Evaluation of liquefaction potential by the conventional way are based on deterministic methods. The methods use only one condition of earthquake load as parameter in liquefaction analysis. Actually, the strength of earthquake loads are varies. In the other words, there is the uncertainty magnitude of earthquake loading. The uncertainty can be taken into analysis only by using a probabilistic approach. This study describes how to analyze liquefaction by probabilistic method. The method used was performance-based evaluation, developed byKramer and Mayfield (2005, 2007). This method include contributions from all levels of magnitude earthquake (hazard levels) in liquefaction analysis. The research location is in Padang, West Sumatra. Soil Investigation data used are N-SPT and shear wave velocity spread in the city of Padang. Earthquake load parameters used were obtained from PSHA and deagregation analysis. The results of this study show the variation of liquefaction potential across the city of Padang based on liquefaction return period. The location with great potentialfor liquefaction (FS <1) by the probability more than 50% were in the coastal region and northern parts of Padang.

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