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All Journal NALARs Jurnal Ilmiah Rekayasa Sipil Inersia : Jurnal Teknik Sipil Jurnal Pengabdian Masyarakat Asia

Besperi Besperi

Universitas Bengkulu

Author-ID : 2461307

Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Other

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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.

PENGARUH NILAI KEKASARAN PERMUKAAN AGREGAT KASAR TERHADAP KUAT TEKAN BETON Mawardi Mawardi; Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 6, No 2 (2014)
Publisher : Universitas Bengkulu

The aim of this research was to find out the influence of surface cruduity value of coarse aggregater to pressure strength of concrete. The water ratio that aplicated was 0,5. The percentation of surface cruduity value were 100%, 50%, and 0% of the specimen. 9 cylinders of 150 x 300 mm specimens had been tested. It was showed the surface cruduity value to the concrete cause the strengths gettinglower as the percentation getting smaller (average 12 %).

REDESAIN STRUKTUR BANGUNAN JETTY DI MUARA AIR PALIK, KECAMATAN AIR NAPAL, BENGKULU UTARA Syafrizal Budi Artha; Besperi Besperi; Muhammad Fauzi
Inersia: Jurnal Teknik Sipil Vol 7, No 1 (2015)
Publisher : Universitas Bengkulu

This research discusses the evaluation of the high waves, water level and redesign the dimension of jetty by replacing the protective layer of artificial stones made from concrete (quadripot). The data used in this study is from BMKG (Meteorology, Climatology and Geophysics Stasiun) Class 1 Pulau Baii Bengkulu which is the maximum wind data for the last 10 years (2005 - 2014) and tide data for the last 5 years (2007, 2008, 2009, 2012, and 2013). The primary data is the data of wave height conducted at the site for 14 days . The results of calculation from BMKG and data recording from the site, the highest wave break obtained is from the calculation from BMKG which is 3.34 meters and 8.13 second wave period. The results obtained from the analysis of jetty is HWL = 1.50 meters, MWL = 1.08 meters, LWL = 0.10 meters, DWL = 2.50 meters, peak elevation of the building = 5.1 meters , building height = 9,1 meter, protection layers of the head section weight = 1.2 tons, weight of the protection layers of the sleeve section 2.7 tons, thickness of protection layer of head section = 2 meters, thickness of protection layer of sleeve section = 2.5 meters, widht of protection layer of head section = 2.5 meters , width of protection layer of sleeve section = 3.5 m , the number of grains per unit area ( N ) in protection layer in head section = 17 grains per 10 m2 , and the number of grains per unit area ( N ) in protection layer in sleeve section = 10 grains per 10 m2 .

PEMETAAN POTENSI LIKUIFAKSI WILAYAH PESISIR BERDASARKAN DATA CONE PENETRATION TEST DI KELURAHAN LEMPUING, KOTA BENGKULU Rena Misliniyati; Mawardi Mawardi; Besperi Besperi; Makmun R. Razali; Redho Muktadir
Inersia: Jurnal Teknik Sipil Vol 5, No 2 (2013)
Publisher : Universitas Bengkulu

Bengkulu city is one of the cities on the west coast of Sumatra island particularly vulnerable to earthquakes because it is located in an active seismic lines . This vulnerability allows the phenomenon of liquefaction when an earthquake occurs . One of the areas in Bengkulu city which through the lines is Lempuing Village . This study aims to analyze the liquefaction potential based on the data of Cone Penetration Test (CPT) using deterministic methods published by Idriss and Boulanger in 2008 . The data describes soil parameters, collected from the 6 point spread CPT test in Lempuing. Shear wave velocity data obtained from the correlation vs. the CPT data . Seismic load parameters used were obtained from the Indonesian Earthquake Hazard Map of 2010 and the seismic history of the city of Bengkulu. The magnitude of potential liquefaction happens to the value of Safety Factor (SF). The analysis at a depth of 0-2meter showed that most of the area in Lempuing with high potential of liquefaction, indicated by the value of SF is less than 1 . Furthermore , the results of the analysis are displayed in the form of Liquefaction Potential Map . This map shows that the entire area of Lempuing be in an unsafe condition to the danger of liquefaction during an earthquake with a magnitude > 7.9 earthquake and bedrock acceleration of 0.4 g.

ANALISIS GELOMBANG TERHADAP STRUKTUR BANGUNAN BREAKWATER TEGAK PANTAI TAPAK PADERI BENGKULU Besperi Besperi; Agustin Gunawan; Mawardi Mawardi
Inersia: Jurnal Teknik Sipil Vol 6, No 2 (2014)
Publisher : Universitas Bengkulu

This research is aimed to find out characteristic of waves and significant wave happened in breakwater building as the reference in analyzing the dimension of standing breakwater type. The researcher used wind data analysis and visual measurement of wave. Based on the analysis, the researcher found that the waves were fully developed seas condition. This condition was caused by fetch value which was long enough, so the height of wave reached maximum value. The lengths of fetch was 200 km and the significant height of wave (Hs) was 2,85 meters and the significant wave period (Ts) was 8,48 seconds. The stress force (p) was 46,274 tons and the moment (Mp) was 185,094 tonmeters. The lift force (U) was 11,674 ton and the moment (Mu) was 31,131 tonmeter.

Co-Authors Agustin Gunawan Anggun Lia Anestri Annisa Fitria Edriani Arief Fahmi Atik Prihatiningrum Bagus Prasetya Fanny Dwiyulitasari Edwar Gusta Gunawan Gunawan Kurnia Iriani Lindung Zalbuin Mase Liza Purnama Makmun R. Razali mawardi mawardi Mawardi Mawardi Muhammad Ali Muhammad Fauzi Panji Anom Ramawangsa Prima Nadia Redho Muktadir Rena Misliniyati Syafrizal Budi Artha

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