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INDONESIA
Jurnal Jalan Jembatan
Published by Pusat Penelitian dan Pengembangan Jalan dan Jembatan
ISSN : 19070284     EISSN : 25278681     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Transportation
Jurnal Jalan-Jembatan adalah wadah informasi bidang Jalan dan Jembatan berupa hasil penelitian, studi kepustakaan maupun tulisan ilmiah terkait yang meliputi Bidang Bahan dan Perkerasan Jalan, Geoteknik Jalan, Transportasi dan Teknik Lalu-Lintas serta Lingkungan Jalan, Jembatan dan Bangunan Pelengkap Jalan. Terbit pertama kali tahun 1984, dengan frekuensi terbit tiga kali setahun pada bulan April, Agustus, dan Desember. Mulai tahun 2016 terbit dengan frekuensi dua kali setahun, edisi Januari - Juni dan edisi Juli - Desember, dalam versi cetak dan versi elektronik.
Arjuna Subject : -
Articles 6 Documents
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Search results for , issue "Vol 36 No 1 (2019)" : 6 Documents clear
MODEL PENURUNAN KETIDAKRATAAN PADA PERKERASAN LENTUR Kusnianti, Neni; -, Siegfried
Jurnal Jalan-Jembatan Vol 36 No 1 (2019)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

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Abstract

ABSTRACT In pavement management system, the roughness deterioration model is an important parameter to determine the functional performance in the future. The information of functional and structural performances will set the type of maintenance needed during the analysis period. The general model of roughness deterioration is a combination of some road deffect models such as crack, rutting, and pothole, and this seems a bit complicated. To apply this model, it needs a quite huge data and this will cause to the cost of data collection and equipment used. Because of lack of equipment and to make more efficient, it needs to adopt a simpler model of roughness deterioration. The aggregate model of roughness deterioration is a simple model used in many African countries that is a function of structural strength, environmental factor, and traffic. By adopting this model, it needs a simple calibration by comparing the results of this model to that of HDM4 program which have been applied in some countries like Ghana, Brazilia, Phillipines and Malaysia. The result shows that the roughness values of these two methods are not significantly different especially for the IRI less than 12. This means that the aggregate model of roughness deterioration is acceptable to use in Indonesia, because generally the Indonesian pavement management system suggest that the IRI of 12 will require reconstruction. Keywords: IRI, model of roughness deterioration, pavement management system, aggregate mode of roughness deterioration, HDM
ANALISIS PENANGANAN DAMPAK BAHAYA GERUSAN ALIRAN SUNGAI PADA STRUKTUR PILAR JEMBATAN Setiati, N. Retno; Guntorojati, Ireng; Kurniawati, Elis
Jurnal Jalan-Jembatan Vol 36 No 1 (2019)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

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Abstract

Pier is part of the bridge structure which is vulnerable to the scouring hazard. The scour process on the pier can cause bridge failure and thus disturb its surrounding accessibility. This study aim to determine the potential hazard of river flow scour that occur in the Cipamingkis bridge in Bogor regency for several return periods. Cipamingkis bridge already been strenghthen by the replacement of two span of girder with one span of truss system with addition of pier dimension. Analysis to determine the potential of scouring was carried out using the HEC-RAS program. Modeling was made for two conditions, river flow condition before the bridge collapsed and after the bridge was repaired. Several parameters used in the analysis of scour potential consist of pier shape, water flow, water velocity, riverbed conditions, and riverbed material are take into account. The analysis results obtained from the HEC-RAS program are then compared with some empirical methods such as Lauren and Toch, Froehlich, and CSU. Scour depth based on the CSU method gives the greatest results compared to other methods. The results of empirical calculations using the CSU method give a scour depth of 5,64 m for a 100 year return period. This value can be used in the preliminary design of bridge pier as it gives the most conservative results. Nevertheless to obtain the more accurate results, this value need to be compared with the field measurement results. Keywords: scour, pier, HEC-RAS, bridge, river flow
POTENSI PEMANFAATAN BAHAN LIMBAH FLY ASHDAN BOTTOM ASH UNTUK LAPISAN PONDASI SEMEN JALAN Gunawan, Gugun; -, Nono
Jurnal Jalan-Jembatan Vol 36 No 1 (2019)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

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Abstract

ABSTRACT The existence of road infrastructure has on important role in supporting activities, such as economic, social, educational and tourism. The construction of road infrastructure in Indonesia from the last 4 years has increased.In its implementation, problems were found, including the availability of standard materials and asphalts import were decreased, while the needs for whole regions in Indonesia continued to increase.The availability of remains material or waste material is an alternative problem, which has not been able to be used as a solution to overcome the limitations of road materials due to the absence of standardized reference.For this reason, this paper expected to solve the problem of the potential utilization of fly ash and bottom ash for foundation layers. Implementation of activities carried out at the laboratory scale, Fly Ash and bottom ash sources from the Pangkal Pinang, Ombilin (units 1 and unit 2) and Sibolga PLTU, were stabilized by cemen is obtained.The FABA test results from Sibolga include Type F so that when stabilized cement contributes to the strength or the value of free compressive strength UCS 33 Kg / Cm2. As for FABA from Pangkal Pinang 19 Kg / cm2 and Ombilin, both Unit 1 and Unit 2 Ombilin including type C, the compressive strength test results were around 8 Kg / cm2 in each stabilized with 8% cement. Keywords: Utilization, fly ash, bottom ash, cement foundation layer
EVALUASI NUMERIK METODE PENGGALIAN TEROWONGAN CISUMDAWU Indrawan, I Gde Budi; Umbara, Ridwan; Aldiamar, Fahmi
Jurnal Jalan-Jembatan Vol 36 No 1 (2019)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

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Abstract

This paper presents results of research works carried out to evaluate the excavation method of the left (west) side of the Cisumdawu Tunnel by a numerical method. Using data obtained from site investigation during design process and face mapping at eight observation points, tunnel excavations by bench cut (multiple), full face with bench cut, and centre diaphragm methods were numerically modelled in two dimension using a finite element method. The numerical modelling results were compared with field measurement results to determine the most suitable excavation method applied in Cisumdawu Tunnel. Results of this research showed that roof displacements induced by the bench cut (multiple) excavation method obtained in the numerical modelling was close to that obtained in the field measurement. The bench cut (multiple) excavation method applied in the field induced lower roof displacement value than the full face with bench cut and centre diaphragm methods. However, the three excavation methods induced roof displacements lower than a 10 cm maximum displacement specified in the JSCE (2007) and roof strength factor > 1.25, indicating stable tunnel condition.
OPTIMASI PEMANFAATAN MATERIAL LOKAL UNTUK LAPIS FONDASI PERKERASAN JALAN Suaryana, Nyoman; Fransisko, Silvester
Jurnal Jalan-Jembatan Vol 36 No 1 (2019)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

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Abstract

Local material in the form of a mixture of sand and stone, including limestone is commonly found in Indonesia which at the moment generally cannot be used directly for pavement foundation because of its low quality (substandard). The use of these local materials for pavement foundation layers is very important, especially in the outermost and remote areas that do not have quality material sources as specified in specifications such as on the NTT - Timor Leste border, Trans Papua and Talaud Islands Regency North Sulawesi Province. This study aims to determine the effect of stabilization with cement to optimize the strength of the local materials. The study was carried out by experimental methods through laboratory testing. The results showed that the stabilization of the local materials with cement can produce a fairly high compressive strength value. The value of compressive strength is higher according to the increasing percentage of cement content used. Referring to the value of the compressive strength produced (in general 24-40 kg/cm2), the local material can be used for the pavement foundation layer, and for the use or application in the field, specifications are needed as recommended by this study.Key words: pavement foundation layers, substandard local material, sirtu, cement stabilization, compressive strength
KINERJA KONSTRUKSI KISI BETON PADA LERENG BATU LUNAK Febrijanto, Rudy; Salim, Riyadi
Jurnal Jalan-Jembatan Vol 36 No 1 (2019)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

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Abstract

ABSTRACT Infrastructure development especially roads in mountainous and hilly areas is inseparable from cut and fill. The common slope excavation is composed of three types of slope forming materials, namely soil, soft rock and rock. Slopes with soft rock material can be formed with a fairly upright slope but are easily degraded when exposed to air and due to surface water erosion. Soft rock slopes whose surfaces are easily degraded often cause problems around the road body, whether surface erosion, shallow landslides or collapsing ruble in some places. Concrete-crib technology is an alternative technology that can be applied to slopes formed from soft rock material. This technology, as a protection measure for erosive soft rock slopes, is built by making concrete cribs that are cast on the spot. Cast-in-place concrete crib wall has a high bending strength, because the beam structure uses reinforced iron. The dimensions of the concrete-crib are 30 cm high and 20 cm wide with a space 150 cm between crib, and iron anchor rods with a depth of 100-150 cm to prevent the collapse of the concrete crib construction due to the load itself. Concrete-crib technology has been applied at Gunung Botak, Manokwari, West Papua Province in 2017 and performance monitoring was carried out in 2018. Based on the results of the monitoring performance of concrete-crib technology during 2018 showing the slope of the fixed concrete-crib construction and the surface of the slope below not degraded, in other words geometric slope is fixed, this shows that concrete-crib technology can withstand the rate of degradation of soft rock slope surface when exposed to air or due to erosion of surface water flow. Key words: road slope, soft rock, slope failure, concrete-crib, performance monitoring

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