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Inersia : Jurnal Teknik Sipil

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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 210 Documents

1 2 3 4 5

ANALISIS OPTIMASI BIAYA KONSTRUKSI BALOK DENGAN VARIASI NILAI ? DAN fc’ Marrolan Marrolan; Fepy Supriani; Mukhlis Islam
Inersia: Jurnal Teknik Sipil Vol 5, No 1 (2013)
Publisher : Universitas Bengkulu

he research was motivated by the desire to obtain inexpensive (optimum) and adequate capacity of structure. This study aims to determine the variation of ? value and fc' on a single reinforcement concrete beams that can produce the most optimum and economical construction. This study used optimization process that requires repetitive calculations, hence the research was categorized as applied research. This cost analysis of a single reinforced concrete beamconsisted of 200 samples for each concrete compressive strength (fc') of 25-35 MPa with an increment of 2.5 MPa. The results of sample analysis produce ? interactions graphs and charts interaction between cost and fc’. In addition, the cost calculations were made assuming the cost without using formwork and using formwork of once until three time usage. This research produced graphic to observe the most optimal and economic reinforcement ratio. Based on the variation of nominal moment, the values of ? was needed for without formwork cost calculation at range of between 0.56-0.66 (times ? needed max ), and the values of ? was needed for the cost calculation by once until three times formwork assumtion at range of beetwen 0.92-1 (times ?max), 0.75-1 (times ?max), and 0.69-1 (times ?max needed) respectively.

PENGARUH VARIASI PERSENTASE BUBUK CANGKANG TELUR (BCT) SEBAGAI BAHAN PENAMBAH SEMEN TERHADAP KUAT TEKAN DAN ABSORPSI MORTAR Manis Syahwati; Ade Sri Wahyuni
Inersia: Jurnal Teknik Sipil Vol. 11 No. 1 (2019)
Publisher : Universitas Bengkulu

Eggshell powder is obtained from crushed dried eggshell waste. Egg shells contain 97% calcium carbonate. The large calcium content has the potential to be used in cement. This study aims to determine the compressive strength and absorption of mortar by adding 2,5% to 15% eggshell powder with a range of 2,5%. The method of manufacture and test compressive strength and absorption of the mortar refers to SNI 03-6825-2002 and SNI 15-2049-2004. The total of mortar cubes are 84 pieces with dimensions 50 mm. Each variation has 8 mortar cubes for compressive strength and 4 mortar cubes for absorption. The range of initial flow values used are 105%-115%. Mortar cubes soaked for 26 days and test of mortar conducted at 28 days. The highest value of mortar compressive strength occurred in addition 12,5% eggshell powder (13,49 Mpa) with increased percentage of 22,04% from the normal mortar. The smallest value of mortar absorption occurred in addition 12,5% eggshell powder (8,76%).

PENGARUH PENAMBAHAN CAMPURAN SEMEN DAN ABU SEKAM PADI TERHADAP STABILISASI TANAH PADA RUAS JALAN BUDI UTOMO I Olandri Wijaya; Mawardi Mawardi; Yuzuar Afrizal
Inersia: Jurnal Teknik Sipil Vol 7, No 2 (2015)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/ijts.7.2.13-20

Research on the Effect of Mixed Addition of Cement And rice husk ash Against and Stabilization on Roads Budi Utomo I aims to determine the effect of Addition of Cement And rice husk ash and to finding the optimal mix levels of Addition of Cement And rice husk for land Stabilization. Tests conducted at the Laboratory of Engineering, University of Bengkulu and the types of tests as follows: natural water content, specific gravity, sieve analysis, atterberg limits, standard proctor,and CBR (California Bearing Ratio) laboratories. Based on laboratory testing, native land in Jalan Budi Utomo I was clay with high plasticity After testing the original soil coupled with a mixture of cement and rice husk ash obtained optimum results occur at levels of 12 % of the 4%, 8%, dan 12% variations. The following test results with a mixture of cement and rice husk ash with levels 12 % : on the CBR laboratories testing provide CBR value increase up to 148.42 % of the original soil CBR by weight of the dry contents increased up to 3.846 % of the dry weight of the contents of the original soil. The optimum moisture content decreased to 13.754 % of the original soil optimum water content, whereas soil plasticity index dropped to 50.084 % of the original soil plasticity index, and the specific gravity value of the land increased to 1.923 % of theoriginal soil. Improved stability of the soil caused by cement and rice husk ash containing silica elements where this element has a very large contribution as an adhesive and can harden by reaction with water so as to increase the strength of the soil stabilization.

HUBUNGAN TINGKAT EMOSIONAL DENGAN PERILAKU PENGEMUDI DALAM BERLALU LINTAS Hardiansyah Hardiansyah
Inersia: Jurnal Teknik Sipil Vol 1, No 1 (2009)
Publisher : Universitas Bengkulu

Traffic accidents caused by several factors, among others, are human beings, vehicles, roads and environment, of the four human factor plays a very dominant because a lot of factors that influence behavior. Using methods of questionnaire with 15 scenarios that show the behavior of respondents when driving a motor vehicle or in everyday life is accompanied by expressions of anger in the form of anger that was issued (O), moved (D) and silent (S), with the number of respondents as many as 60 people consisted of 31 male respondents - 29 male and female respondents. From the results of the analysis and discussion shows the following behavior: Based on the age level of anger at the attitude of the respondents considered somewhat angry and upset. Based on the old SIM ownership on the attitudes of respondents angry categorized. Based on bit longer driving experience on the attitudes of respondents considered a little angry. Based on a day long trip on the attitudes of respondents categorized little angry, but for the respondents who traveled per day more than 86 km are categorized on the attitude a little angry. Based on respondents' gender attitudes are categorized on a little angry. Anger is the respondents who expressed no anger issued (O), but expressed anger that moved (D) and silent (S).

PERILAKU KEKAKUAN LENTUR PELAT KOMPOSIT LANTAI GABUNGAN BETON PRECAST DAN CAST IN SITU DENGAN PENGKASARAN INTERFACE PADA BEBAN STATIK BERULANG Agustin Gunawan
Inersia: Jurnal Teknik Sipil Vol 2, No 2 (2011)
Publisher : Universitas Bengkulu

The experiment was focused at the midspan part of the slab and conducted to investigate the influence of surface roughing at semi precast slab of the characteristic of elastic of slab made monolithically. In the research, it was conducted testing of two groups of slab which has 1:1 scales. Each group consists of three. The first group was the monolith slab as control speciment. The second group was the composite slab with surface roughing. Each group was loaded by the repeated center static loading until 10 % of the ultimate load, then the load was taken off. The treatment was carried out 10 time (cycle). The testing result showed that the flexural stiffness of monolith slab and composite width of 400 mm and 600 mm as long as loading 10 was consistent, and the flexural stiffness of slab width of 600 mm was higher than that of slab width of 400 mm. The flexural stiffness increased was not proportion to increased of slab width measurement. At the repeated loading cycle ( 10 cycle), the flexural stiffness of composite slab before P firstcrack reached about 45,21 % (width of 200 mm), 31,70 % (width of 400 mm), and 20,52 % (width of 600 mm) less than that of monolith slab.P first crack

PEMANENAN AIR HUJAN UNTUK KONSERVASI AIR TANAH MELALUI SUMUR RESAPAN (Studi Kasus Perumahan di Daerah Hibrida I, II, dan IV Kota Bengkulu) Nanda Pratama; Agustin Gunawan; Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 6, No 2 (2014)
Publisher : Universitas Bengkulu

Residential development at the present grows greater towards the horizontal, as a result of these developments is a change of land-use layout. One of the impacts of land use change order is the occurrence of surface flow (surface run-off), the other impact is the decline in the amount of water recharge into the soil causing ground water table to drop. In response to existing problems, there should be specific conservation techniques. Recharge well is one of the alternatives to minimize the surface flow and ground water conservation. The purpose of this study was to find out how to plan for the conservation of ground water by recharge wells using Sunjoto formula to calculate the debit and dimesion of the well. The resident area of Hibrida I, II, and IV is the place of research, the research activities itself is carried out by the method of interviews and experimenting the absorbtion at the research location. Based on the data and analysis results using the Sunjoto formula, note that the location Hibrida I, II, and IV are planned using the recharge well of circle type with a diameter 0,5 meter and depth1 meter for the recharge well type of individual, and with a diameter 1 meter and depth 1,5 meterfor therecharge well type of communal. Based on the review of total area of the house and yard for recharge well type of communal is planned 21 units with a discharge that can be accommodated in area Hibrida I as much as 0,120 m 3 /s, Hibrida II0,188 m 3 /s, and Hibrida IV 0,335 m 3 /s. Based on a review roof total area of the house the type ofcommunal recharge well planned is 35 units with a discharge that can be accommodated in the area of Hibrida I as much as 0,216 m 3 /s, Hibrida II 0,335 m 3 /s, and Hibrida IV 0,525 m 3 /s

NILAI CBR PADA STABILISASI TANAH DENGAN SEMEN JALAN BUDI UTOMO UNIB DEPAN mawardi mawardi; Makmun R. Razali; Olandri Wijaya
Inersia: Jurnal Teknik Sipil Vol 8, No 2 (2016)
Publisher : Universitas Bengkulu

CBR value research on soil stabilization with cement in the Budi Utomo UNIB Depan for influence soil properties and soil CBR original value after stabilisation with cement. Geotechnical Lab Testing was conducted at the Faculty of Engineering UNIB. Test laboratory soil properties include: density, water content, sieve analysis, Proctor standard test, Atterberg limits, and experimental value of CBR (California Bearing Ratio) laboratory. Stabilization soft soil made with cement with the addition of cement content of 0%, 2%, 4%, 8% and 12%. Based on test results propeties soil and the value of laboratory CBR. CBR maximum value at additioning cement content of 12%, the CBR value an increase of 144.21%, of the original soil conditions, dry density increase 3.85%, of the original soil, optimum moisture content decrease 13.75% of the original soil, PI value decresel 50.42% of the original soil, the value of specific gravity (Gs) increse 1.93% of the original soil. Stabilization with cement increasing the value of CBR, which means it will also boost the stability of the soil and will also increase the soil bearing capacity (qu). The increase in soil stabilization and soil bearing capacity proportional to the increase in the value of CBR amounted to 144.21%, this is due to the presence of silica, clay and limestone contained in the hydraulic cement is a binder.

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

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

PENGARUH PENGGUNAAN ZEOLIT SEBAGAI BAHAN PENGGANTI SEBAGIAN SEMEN TERHADAP KUAT TEKAN PAVING BLOCK KONVENSIONAL Agung Rizki Pratomo; Fepy Supriani; Agustin Gunawan
Inersia: Jurnal Teknik Sipil Vol 10, No 2 (2018)
Publisher : Universitas Bengkulu

This research was motivated by the contained SiO2 in zeolite. The purpose of this research was to know the zeolite effect as a substitute of cement in constructing 14 days paving block material which used conventional method toward the compressive strength of paving block. This research used SNI 03-06-1996 in constructing and testing the materials. The material was cube shaped with ±5 cm size which consists of normal paving block and 6 variations with 5 specimens of each variation. Total of specimen were 35. Substitute of zeolite variations used 2,5%, 5%, 7,5%, 10%, 12,5%, and 15% on the weight of cement. The result of compressive strength of normal paving block is 15,64 MPa. The result of compressive strength test had increased in the variation of 2,5% zeolite substitute by 6,28% normal paving block. The result of compressive strength test results showed the greatest decrease in variation of 15% zeolite replacement by 39,05% against normal paving block.

PENGARUH SEPEDA MOTOR TERHADAP KAPASITAS PENDEKAT PADA SIMPANG BERSINYAL LENGAN JALAN S. PARMAN-LENGAN JALAN SUTOYO SIMPANG SKIP KOTA BENGKULU Fatmawati Fatmawati; Hardiansyah Hardiansyah; Yuzuar Afrizal
Inersia: Jurnal Teknik Sipil Vol 6, No 1 (2014)
Publisher : Universitas Bengkulu

This research is made to find out starting time deprivation of green which caused by motorcycle s and their effect toward capacity on S. Parman road and Sutoyo Simpang Skip rapprochement in Bengkulu. The research was doing in three days on Sunday, Monday, and Wednesday, each of the date was on March 10th, 18th, and 20th 2013. Further, it uses calculation based on Manual Kapasitas Jalan Indonesia (MKJI, 1997) data. Thereby, the results are 1.67 second for the lowest starting time deprivation of green and 12.263 % for the highest increasing capacity on Sunday in the end of afternoon. In line, others are 1.49 second for the lowest of starting time deprivation and 13.21 % for the highest increasing capacity on Sunday in daylight. In the end, this deprivation caused by motorcycles, causes capacity change, deprivation got smaller when the capacity increased. In contrast, it’s better when starting time deprivation of green got higher and the increasing capacity got lower.

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Ade

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ade.sri.w@unib.ac.id

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+62736344087

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inersia@unib.ac.id

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Program Studi Teknik Sipil, Fakultas Teknik Universitas Bengkulu Jl. W.R. Supratman, Kandang Limun, Bengkulu

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Kota bengkulu,

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INDONESIA