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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 10 Documents

Search results for , issue "Vol 5, No 1 (2013)" : 10 Documents clear

PERENCANAAN SUMUR RESAPAN AIR HUJAN UNTUK KONSERVASI AIR TANAH DI DAERAH PERMUKIMAN (STUDI KASUS DI PERUMAHAN RT. II, III, DAN IV PERUMNAS LINGKAR TIMUR BENGKULU) Kurnia Iriani; Agustin Gunawan; Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 5, No 1 (2013)
Publisher : Universitas Bengkulu

The increasing of development for supporting facilities in public life triggers transformation of land use and decreasing of open space for infiltration area. This causes surface flow (run-off) and some rainwater infiltrating into land. Therefore, it is necessary made a patch like the infiltration well which is used to patch and then infiltrate rainwater into soil slowly. The purpose of this research was to determine amount and construction of infiltration well. This research was executed in housing RT. II, III, and IV Lingkar Timur at Bengkulu City that hasnumber of house 153. This study used survey methods such as measuring,questionnaire/interviewing, and percolation test to obtain the required data. Based on the data and analysis of calculation according to SK SNI 03-2453-2002, was determined that for individual infiltration well, the form of infiltration well was circle with a diameter of 1 m and a depth of 3 m, while for communal infiltration well was circle with a diameter of 1.4 m and a depth of 3 m (by 92 pieces). The others alternative form for individual infiltration well was square with a width of 1.2 m and a depth of 1.5 m, while for communal infiltration well was square with a width of 1.4 m and a depth of 3 m (by 72 pieces). Construction of infiltration well according to Technical Instruction Applying Drainage Method with Environmental Concept In Residence Area (2002) was brick wall or red brick pair without plastered and among it given hole.

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

This research aims to study the most optimum and economical of square reinforced concrete column with the variation of ? and fc'. Process optimization in this study requires repetitive calculations by using a Microsoft Office Excel. Analysis of the cost of construction of reinforced concrete columns square cross-section consists of 840 samples with variation of column section dimensions, compressive strengths of concrete (fc'), nominal axial capacity of columns (Pn), and nominal bending moment capacity of column (Mn). The results of the sample analysis are interaction charts corresponding column dimension and cost and interaction of fc' and cost consisting of 1,152 charts and also produces composite charts from the previous chart, which is the interaction, among dimension, fc', and cost of column consists of 96 graphs with variation column without using formwork, formwork 1 time use, of formwork used 2 times, 3 times and use disposable formwork. Hence from all of the cost of the optimum structure of the column with the variation of the Mn and Pn of could be concluded that the greater the value of Mn while Pn constant the of value of ?, column dimensions, and cost structure would dominantly increase and it could be concluded also that the greater the value of Pn with constant Mn value then the value of ? and the cost structure would dominantly decrease while the dimensions have not changed and the compressive strength of concrete (fc') used are 25 MPa - 30 MPa.

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.

SUMUR RESAPAN AIR LIMBAH KAMAR MANDI UNTUK KESEIMBANGAN PERMUKAAN AIR TANAH DI DAERAH PERMUKIMAN (Studi Kasus Di Perumahan RT. II, RT. III, dan RT. IV Perumnas Lingkar Timur Bengkulu) Anggun Lia Anestri; Agustin Gunawan; Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 5, No 1 (2013)
Publisher : Universitas Bengkulu

omestic waste water from bathroom, that generally being a waste water, can be used to balance the ground water surface.Utilization of bathroom waste water is done by making the infiltration well. This study aimed to quantify the debit of resulted bathroom waste water and to design the bathroom waste water infiltration well. The experiment was conducted in Housing RT. II, RT. III, and RT. IV Permunas Lingkar Timur of Bengkulu that has number of house of153 units and number of inhabitant as much as 701 people. The research used survey methods such as questionnaires / interviews and percolation test to obtain the required data. Based on the data and analysis of calculation according to the Sunjoto method, concluded that the debit of bathroom waste water for RT. II, RT. III, and RT. IV was consecutive 3.38x10-5 m3/s, 9.688x10-5 m3/s, 0.0001558 m3/s. The number of produced infiltration well total 33 wells whichis 4 wells for RT. II, 5 wells for RT. III, and 24 wells for RT. IV. Each of infiltration well haddifferent dimensions in accordance with the need.

EFEKTIVITAS PENERAPAN BELOK KIRI LANGSUNG (Studi Kasus Jalan Soeprapto Kota Bengkulu) Samsul Bahri; Vitria Elsandiy
Inersia: Jurnal Teknik Sipil Vol 5, No 1 (2013)
Publisher : Universitas Bengkulu

RI Act No. 22 of 2009 states that on the intersection traffic light drivers are prohibited from turning left immediately, unless specified otherwise by traffic signs. This study aims to determine the effectiveness of the ‘left turn on red’ signal and its effect on the capacity of Simpang Lima Bengkulu city.The results showed that in terms of the degree of saturation, the capacity of Simpang Lima Bengkulu city at Soeprapto roads site is better whenever it is applied the left turn on red signal. It is necessary to evaluate the traffic light settings on Simpang Lima Bengkulu City because the degree of saturation has exceeded the tolerance limits suggested byMKJI 1997.

EVALUASI KINERJA SALURAN PRIMER DAN BANGUNAN SADAP UNTUK MENENTUKAN METODE PEMELIHARAAN DAERAH IRIGASI AIR NGALAM KABUPATEN SELUMA Fanny Dwiyulitasari Edwar; Muhammad Fauzi; Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 5, No 1 (2013)
Publisher : Universitas Bengkulu

This research was made to find out the performance of primary canal and tapping constructions, also inquire the maintenance that should be done and prioritized in order to maintain the irrigation. Research method was conducted through direct observation to find out water discharge and primary canal dimensions and tapping constructions, also to inventory all of damage components. Secondary data was about dimensions and canal discharge plan,rainfall data, and climatology. Climatology and rainfall calculation is used to calculate quantity of irrigation water needed. Then, this irrigation water will be used to calculate water discharge during farming season. Hydraulic calculation of primary canal and tapping construction was based on those water discharge value. Results of the research showed water discharge and dimension of primary canal and tapping constructionsat Air Ngalam can irrigate whole rice fields. Unfortunately, canal rifts and damage, and some of illegal tapping by farmersaround cause water distributing on each rice field unequal. In order to optimize Air Ngalam irrigation, it’s a must to make a sequence of action plans in highest priority, also maintenance works.

STABILITY ANALYSIS OF EDGE RIVER LAWE LIANG PANGI AT LEUSER SUB-DISTRICT, SOUTHEAST ACEH REGENCY TOWARDS FLASH FLOOD Azmeri Azmeri; Devi Sundary
Inersia: Jurnal Teknik Sipil Vol 5, No 1 (2013)
Publisher : Universitas Bengkulu

Flash flood is a process flow of heavy water and massive load concentrated is accompanied, also rock chunks, soil and logs (debris) from the upstream. Flash flood’s triggered by climatology and geological factors, landslides and natural damming at the upstream. The rising of water discharge flood process occurs suddenly and rapidly. The research in the Lawe Liang Pangi Watershed, Leuser Sub-district, Southeast Aceh Regency. Based on information, there are heavy rains occurred during the 3 days before the flood. Flooding occurred on Friday evening, August 17, 2012 at 22:00. Occured landslide at 15 locations. The most substantial damage is Naga Timbul, Suka Damae, Sepakat, Gaya Sendah, Punce Nali, and Bun-bun Indah villages. Liang Lawe Pangi watershed topography is mountainous, moderate to steep slope. The soil type is a little fine sandy silt loam and dark brown, and the soil type is erosion susceptible. The river bank stability test results for the two sampling locations, the safety factor in extreme conditions (flooding) is smaller (1,34) than the standard value (1,50). The flood conditions (inundation) is not secure against river bank scour. It is certainly more dangerous when taken by flash floods at a large velocity and followed by massive load. Recommendations for prevention and mitigation of flash flood disasters in Leuser Sub-district, the disaster prevention and mitigation in the structural measures that to typical flood prone locations and non-structural measures including vegetation and public education work for the land management.

PENGARUH ANGIN TERHADAP TINGGI GELOMBANG PADA STRUKTUR BANGUNAN BREAKWATER DI TAPAK PADERI KOTA BENGKULU Prima Nadia; Muhammad Ali; Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 5, No 1 (2013)
Publisher : Universitas Bengkulu

Tapak Paderi Beach have got many damages, such as abrasion, and sedimentation by waves. This research was made to find out wind effect as the secondary within significant wave height (Hs) and the structure of breakwater design at Tapak Paderi. This research used secondary data from the last ten years wind circulation (2002-2012) and a rising-subsiding data (May as the strongest one in 2009). The resources of data come from Meteorology and Geophysics Corporation (BMKG) II class Pulau Baai and Waskita Karya Manufactory for a dimensional data includes an illustration of breakwater construction. Also, primary data involves a report survey of wave height directly to Tapak Paderi location, Bengkulu. In accordance to the analysis, those data were obtained through the calculation of breakwater within sideway type. The calculation process resorted to worksheet program, 2,832 meters for significant wave height (Hs), and 8,399 seconds for significant period (Ts). The other calculation result is a set of wave condition which devised in the breakwater field will get breaking wave because of db>dLWL>dHWL, 5,385 meters for the peak of breakwater elevation, 6,435 meters for breakwater height, 3,867 tons for stones weight (W), 3,913 meters for peak width (B), and for the thickness of shelter layer (t) which made from three layers, 2,609 meters t1, 1,211 meters t2 ,0,446 meters for t3, and total of stones for each 10 m2 (N) is sixteen grain of stones. The last, these value have been used for redesign of sideway type.

PERILAKU KUAT TEKAN MORTAR SEMEN PASANGAN DENGAN ABU SABUT CANGKANG SAWIT YANG DIOVEN DAN TIDAK DIOVEN Elhusna Elhusna; Agustin Gunawan; Dofi Hendro Fogi
Inersia: Jurnal Teknik Sipil Vol 5, No 1 (2013)
Publisher : Universitas Bengkulu

The order of mortar cement which used to bond individual units of masonry and to cover masonry wall keeps increasing. Meanwhile, the natural source of cement is limited. This article is the report of the research of the behaviour of mortar compression strength which used palm oil fibrous shell ash as the additive of cement. The ash used in this research was strained by strainer number 200. The ash discerned to the difference between the oven and unoven one. The proportions of cement and sand that used were 1:3 dan 1:5. The percentages of each of the ash were varied by the increment 2,5% between 0 to 10 %. 200 mortar 50 mm cubes distributed to each cell of samples were used according to ASTM C109/C109M-02. The concistency and the workability of the mortar was done by flow table test according to ASTM C-270. The mortar cubes were cured in water since the mall were gotten off. The compession test was held according to SNI 03-6825-2002 at 28 days of the cubes age. The results of analysis of variance (anova) of the mortar strength which used ovened ash were significant for the strength of the proportion 1:5 and unsignificant for the strength of 1:3 of the proportion. The strength of the significant one was inceased 0.66% at the mortar which used 10% ash. The results of the anova of the mortar strength with unovened ash were significant for the mortarproportion 1:3 and unsignificant for the strength of 1:5 mortar proportion. The strength of the significant one was 1,54% higher at mortar with 2,5% ash compared to the one without the ash.

KAJIAN PENAMBAHAN ABU CANGKANG SAWIT TERHADAP KUAT TEKAN BATA MERAH Deltiana Rosalia; Elhusna Elhusna; Agustin Gunawan
Inersia: Jurnal Teknik Sipil Vol 5, No 1 (2013)
Publisher : Universitas Bengkulu

This study was aimed to determine the effect of adding palm shell ash to the red brick compressive strength. Palm shell ash is pozzolanic and contains about 60% silica and when it is mixed with clay bricks, the strength become stronger. This study used two methods of treatment of the palm shell ash, oven and unoven. Bricks was made in this study using SII-0021-1978, while the red brick compressive strength was tested in this study using SNI 03-4164-1996. TheSpecimens were 146 cubes with a size of 5 cm on each side. The Variations in ash were used as an added ingredient of red brick at 0%, 4,3%, 8,6%, 12,9%, 17,2% and 21,5%. Specimens molded and dried for about 1 week and then burned in a red brick factory. The test results showed the addition of oven and unoven palm shell ash was increased the compressive strength of red brick. The addition of unoven palm shell ash was decreased the water absorption of the red brick and made the red brick lighter. The Lightest weight of the brick occurred in 8,6% of unoven palm shell ash was 12.96% of the normal one. The bigest compressive strength occured in 4,3% oven palm shell ash that was 112.82% of the normal red bricks. The smallest water absorption occurs in 8,6% of unoven palm shell ash was 18.07% of the normal red bricks.

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

Location Kota bengkulu, Bengkulu INDONESIA

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Contact Name
Ade

Contact Email
ade.sri.w@unib.ac.id

Phone
+62736344087

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inersia@unib.ac.id

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

Location
Kota bengkulu,

Bengkulu

INDONESIA