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Yohanes Martono Hadi
Lampung University
Civil Engineering, Building, Construction & Architecture Other

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Evaluasi Pelaksanaan Flexible Pavement Menggunakan Aspal Buton. Hadi, Yohanes Martono
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 14, No 3 (2010): Edisi Desember Tahun 2010
Publisher : UNIVERSITAS LAMPUNG

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Abstract

This research takes the samples in two locations of hardened-layer implementation using asbuton as the substitution of visco elastic. The research is conducted at the road paths of national street, Jambi Province. Data are gathered through several surveys: pre-conducting survey, on conducting survey, and post-conducting survey, within a year. This research aims to compare the result of two locations and the result of Job Mix Formula which are correlated to both laboratory test result of asbuton producer and laboratory test result of Engineering Faculty of Lampung University. The result of laboratory data analysis and material used test show the causes of failure on one of the road paths though the result of laboratory test and field test remain the same. Asbuton has similar characteristics to visco elastic. The influence of temperature, specifically mixing temperature and compact temperature, is very dominant toward end result of pavement product. Mixing temperature is determined by AMP capability to produce high-heat (+/- 1700C) in aggregate drying process within “drying-drum”. Meanwhile AMP with diesel fuel is not capable to produce such high-heat, except if AMP employs coal. Besides, travel time from AMP to exposure location will very much influence the pavement quality. The research findings show the comparison between the conducting of laboratory test and the result of post-conducting at two locations in 2009. The conclusion drawn from the field test are: mixing temperature is very dominant to determine the end result and there is a problem as the result of asbuton substitution with visco elastic.
Analisa Kelongsorang Lereng Akibat Dari Peningkatan Kadar Air YangTinggi Rinaldi, Muhamad Rizki; Afriani, Lusmeilia; Hadi, Yohanes Martono
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 8 No. 3 (2020): Edisi September 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v8i3.1432

Abstract

The level of slope safety is influenced by several factors. Such as slope conditions with largeloads, steep slopes and heavy rain conditions. This often results in landslides around the TransSumatra toll road, Pematang Panggang. So that around the slopes reinforcement is needed so thatthe slopes are more stable.Based on the results of laboratory tests and research in the field, the results of the calculation ofthe slope safety value program with a 30% saturation degree condition, the safe factor value is1.2946, the degree of saturation 40%, the safe factor value is 1.2881 and the degree of saturationis 60%, the safety factor value is equal to 1,2761. Because the lowest safe factor value is at 60%saturation degree, slope stability is handled at 60% saturation degree, which is strengthened bythe cutting method on the slope body and using sheet pile to get slope reinforcement. Two methodsof handling slope stability were carried out. From the comparison of slope stability handling with60% degree of saturation, the safe slope conditions are in handling one because there is nosubsidence and soil displacement to the free slope area.
Studi Optimalisasi Perparkiran dan Pedestrian di Fakultas Teknik Jurusan Teknik Mesin, Teknik Elektro, Teknik Kimia dan Teknik Geofisika Universitas Lampung Gustiaji, Laedo; Herianto, Dwi; Hadi, Yohanes Martono
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 4 No. 1 (2016): Edisi Maret 2016
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v4i1.344

Abstract

This study aims to determine the parking needs, determine whether the facility is adequate parkingand pedestrian, analyzing pedestrian handling solutions that are safe and comfortable in theFaculty of Engineering Department of Electrical Engineering, Mechanical Engineering, ChemicalEngineering and Engineering Geophysics.Intake of survey data on the number of vehicles and the number of available parking plots. Dataprocessing is done by analyzing the duration of parking, parking capacity, accumulation ofparking and parking index.Based on the survey and analysis of parking needs for this location is the car lands I and II of210% / day, for cars Land III by 19% / day, for motorcycle land I and II at 321% / day, for themotorcycle land III 81% / day. Thus, the index value above 100% of parking, which showed thatthe number of existing parking plots can not accommodate vehicles parked.Keywords: Transport, parking, pedestrian
Korelasi Antara IRMS dan BMS di Ruas Jalan Nasional Profinsi lampung (Studi Kasus Evaluasi Pertahun Anggaran Dari Tahun 2012 Sampai Tahun 2015) Alawiya, Tuti; Hadi, Yohanes Martono; Adha, Idharmahadi
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 4 No. 2 (2016): Edisi Juni 2016
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v4i2.355

Abstract

National Roads System in Lampung is the Sumatra gateway from Java to the others Provinces in Sumatra island and vice versa, and the highway as the main of development in a region that should comply the needs of the movement of traffic, among others, Fast, Convenient, Safe, Durable, and environmentally friendly. Evaluation or study was conducted to carry out the review section of the Roads System and National Bridge in Lampung based on IRMS and BMS data that is a management tool to see the condition of roads and bridge. Not affiliated between IRMS and BMS have caused the lack of evaluation on the construction and maintenance of roads and bridges on national roads in Lampung.This study aims to correlation between IRMS and BMS that the condition of roads and bridges are related, so that to taking the decision to determine the construction, periodic maintenance or routine maintenance of roads and bridges in Lampung appropriate to the real conditions by prioritizing the bridge specially the periodic maintenance.So that it can be taken a linkage that the time periode for the traffic to move from a place to the other placse is affected by the conditons of the roads and bridge. Nowadays, the result of IRMS and BMS as a benchmark that used by policy makers as a basis for determining future programs like Planning, Maintenance, and Development. While in taking decisions isn’t appropriate with the real conditions. Keywords: Correlation Between IRMS-BMS, Road and Bridge Conditions
ANALYSIS OF SLOPES STABILITY WITH CANTILEVER RETAINING WALLS AND GEOTEXTILE STRENGTHENING ON LIWA CROSS ROAD - INTERSECTION OF KEMALA MOUNTAIN KM. 268 + 550 Saputra, Septian Adi; Adha, Idharmahadi; Hadi, Yohanes Martono
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 1 (2017): Edisi Maret 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i1.593

Abstract

Liwa Cross Roads – Intersection of Kemala Mount KM.268 + 550 is located on the hills of TNBBS Lampung which geographic conditions consists of cliffs and ravines are quite steep, so prone to sliding. This is certainly very harmful to the building and the road users around the slopes so that necessary alternative solutions that could make the slopes safe from the danger of landslides. One way is to build reinforcement construction on a slope such as geotextiles and cantilever retaining wall. In analyzing of the slope stability used a computer program, that is SLOPE/W, is used to calculate the safety factor accurately in a short time. Existing slope stability analys with the program SLOPE/W Bishop methods in wet and dry conditions obtained value of safety factor 0.433 and 0.4. These results prove the structure of the slopes is not safe, it is needed solutions to handle slope sliding that has a stable numerical secure slope value by using woven geotextile reinforcement by the number of 16 layers, tensile capacity 200 kN/m, cohesion 3 kPa and the friction angle of the soil 38o, vertical distance 2 m and a cantilever concrete retaining wall that has a height 15 m with a specific gravity 25 kN/m3, the compressive strength of concrete plans (f'c) 30 MPa and a tensile strength steel (fy) 400 MPa. Pile soil used to improve slope geometry made to reduce the slope. The results of slope sliding stability analysis, reinforced with geotextile using SLOPE/W obtained value of safety factor 1,332, while reinforced with cantilevered retaining wall at 1.852. For the analysis of external stability by geotextiles strengthening obtained bolsters safety factor 5.9479, shear stability 3.3531 and carrying capacity 3.4815, while the cantilevered retaining wall reinforcement obtained stability bolsters safety factor 6.0643, shear stability 2.2346 and carrying capacity 3.1828. Key words: Slope stability, stability of retaining walls, Geotextile, SLOPE/W.
Kebutuhan Material Jaringan Jalan Provinsi di Provinsi Lampung tahun anggaran 2016 wilayah 1 dan 3 Prawaka, Muhammad Hendro; Hadi, Yohanes Martono; Zakaria, Ahmad
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 1 (2017): Edisi Maret 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i1.613

Abstract

This study was conducted to asses the material requiermens for provincial network in Lampung in budget year 2016 to obtain the results for the following year.From the calculation of material needs of Lampung province road workfor region 1 and 3 in 2016, it shows a considerable need for asphalt, cement, sands, stone. From the calculation analysis of government tendency to apply tender pattern is quite late. And giving impact on the latency of material supply needs of road works in Lampung Province.However, to meet the material needs of Lampung Province road works is quite good. Considering its fulfilled the smooth supply needs to meet the material recuirements.Keywords : material recruitmen, road networks, Lampung province
Analisis Koordinasi Sinyal Antar Simpang Pada Ruas Jalan Z.A. Pagar Alam Prayoga, Prayoga; Sulistyorini, Rahayu; Hadi, Yohanes Martono
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 2 (2017): Edisi Juni 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i2.634

Abstract

There are three intersections that are within 1.3 km of study focused on Jalan Z.A. Pagar Alam.  The problem that sometimes occurs is vehicles must stop at every intersection because it always gets a red signalThe data collection was done by a direct survey at all three intersections. The data that taken from the intersection are geometric and volume intersection.  The first intersection released from signal coordination between intersections, with a cycle time of 63 seconds was obtained degree of saturation on average 0.7378 and the queue length 70.23 m. After three planning between the intersection II and III intersection obtained the best cycle time of 99 seconds. The average degree of saturation of intersection II is 0.77 with queue length 146.71 m and the third intersection is 0.85 with queue length 82.03 m. Because the degree of saturation is approaching 0.8 and 0.8 exceed existing special construction needs to be done.
Kebutuhan Material Jaringan jalan Provinsi di Provinsi Lampung Pada Wilayah 2 dan Wilayah 4 wahyudi, meifra; Hadi, yohanes Martono; Adha, idharmahadi
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 2 (2017): Edisi Juni 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i2.641

Abstract

Lampung Province is a province that annually holds improvements and infrastructure development, especially in the field of roads. By the increase of the road construction, the more material needed to meet the development.This research was conducted to know the amount of material of provincial road network of Lampung province in budget year 2016 region 2 and region 4 and to get material requirement in next year.From the collection of this data, obtained the auction pattern of project implementation began in mid-year until the end of the year. And from result of calculation of material requirement of road construction project of Lampung province in 2016 got the dominant result to use Sand, Asphalt, Aggregate Coarse, and Cement. In fulfilling the material needs of the Lampung provincial road project in 2016 region 2 and region 4 is good enough, it is shown with its fulfillment of the provincial road works material in 2016. From the analysis of the calculation of provincial road material needs in 2016 can be used as a guide to face the material needs of the following year.
Perencanaan Dinding Penahan Tanah Concrete Cantilever Dengan Menggunakan Program Plaxis (Studi Kasus : Jalan Liwa – Simpang Gunung Kemala Krui KM.264+600) Winanda, Restu Arga; Setyanto, Setyanto; Hadi, Yohanes Martono
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 5 No. 4 (2017): Edisi Desember 2017
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v5i4.747

Abstract

Landslides in Bukit Barisan Selatan National Park (TNBBS) usually occur during the rainy season, because the intensity of the rain more than usual, causing soil to become saturated with water in which the soil is no longer able to accommodate the water into the pores so that the pore water will rise resulting in shear strength become so small that the land becomes unstable and prone to landslides. Plaxis is a computer program based on two-dimensional finite element method that is used specifically to perform deformation and stability analysis for various applications in the geotechnical field by modeling geometry and mesh elements based on cross section. From the analysis of slope stability with a height of 10 m, the slope is expressed in critical condition. The countermeasures are carried out with three conditions, the slope with cantilevered wall strengthening B is considered safe because it has a safety factor value of 1.4953, and the smallest displacement and settlement value between two other conditions and satisfies the shear stability of 2.8200> 2 (Safe), the stability of overturning 3.9631> 2 (Safe) and soil bearing capacity is 2.2782> 2 (Safe). Keywords: slope stability, safety factor, plaxis, cantilevered retaining wall.
Korelasi Nilai CBR Lapangan Dan CBR Laboratorium Untuk Lapisan Subgrade Pada Jalan Padang Tambak Liwa – Batas Kota Liwa Yusuf, Roy Pramana; Jafri, Muhammad; Hadi, Yohanes Martono
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 6 No. 4 (2018): Edisi Desember 2018
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v6i4.953

Abstract

Land is the basis of a pavement structure. Best part of the land to construct a road construction is land that has a high density value. To determine the density of a soil, CBR testing is needed. CBR testing itself is divided into 2, namely field CBR and laboratory CBR. Location taken was between Padang Tambak Liwa - Liwa City Limits. This research will be conducted to find out how much influence the correlation of Field CBR values and Laboratory CBR on the road. In this study researchers will conduct Water Content Test, Filter Analysis, Atterberg Limits, Plastic Limit Test, Specific Gravity, Standard Soil Compaction, laboratory CBR Test, which uses disturbed subgrade from Padang Tambak Liwa - Liwa City Limits and then obtained a graph of the CBR laboratory test data results then compared with the existing field CBR graph. In the correlation of the value of the CBR field test and the laboratory CBR test there are samples that have an average deviation value below 5%. As for STA 227 + 500, STA 230 + 500, STA 233 + 000 there were different results of deviations from 26 samples, there were 3 samples that were above 5% deviation. This can be caused by uneven soil conditions, differences in precision of laboratory equipment with the tools used in the field, different forms of penetration characters in CBR testing.
Co-Authors Ahmad Zakaria Alawiya, Tuti Dwi Herianto Idharmahadi Adha Laedo Gustiaji, Laedo Lusmeilia Afriani Muhammad Jafri Permani, Ratih Diah Prawaka, Muhammad Hendro Prayoga Prayoga Rahayu Sulistyorini Rinaldi, Muhamad Rizki Septian Adi Saputra Setyanto Setyanto wahyudi, meifra Winanda, Restu Arga Yusuf, Roy Pramana