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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 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.
Co-Authors Lusmeilia Afriani Rinaldi, Muhamad Rizki