Vol. 26 No. 1 (2019)

The limitations of road construction materials require alternative materials such as asphalt recycling and utilization of waste potential such as steel slag for aggregate substitutes. In this study, there were tests for slag characteristics and reclaimed asphalt pavement (RAP) then continued with a marshall test to determine the optimum asphalt content (OAC). The nine mixtures planned in this study consist of 10-30% Slag combined with 10-30% RAP with Reclamite as a rejuvenating material. Using a combination of RAP, there is a decrease in the mixing and compaction temperature of 20°C compared…

Hot Mix Asphalt (HMA) is a type of asphalt mixture commonly used as flexible pavement material. However, HMA has weaknesses in terms of high mixing and compaction temperature, resulting in high CO2 and Greenhouse Gas (GHG) emissions which have a negative impact on the environment. Therefore, a type of asphalt with lower mixing and compaction temperatures is needed. One alternative that can be done is to add Sasobit® additives to the asphalt. This study looks for the best contents of Sasobit® additives that can be added into the asphalt so that resulting the lowest mixing and compaction…

Toll roads have an important role on the economic development, therefore it is necessary to make road improvements to increase the road serviceability or minimum service standards (standar pelayanan minimal / SPM), as described in the Indonesian Government Regulation No. 34 of 2006 on roads. The CIPALI toll road has operated since 2015 and it connects Cikampek and Palimanan. Therefore, it is important to carry out a structural maintenance, in this case is by adding an overlay so that the pavement structure remains stable in supporting the repetition load which always increases over time. This…

In practice, the design of pavement is commonly based on the California Bearing Ratio (CBR) test. This research was performed to study local correlation between Hand Cone Penetrometer (HCP) tests to the field CBR value. The local correlation is determined based on comparisons of HCP and CBR test results for the same density of soil taken from several locations in Pekanbaru City, Indonesia. It was found that there is an approximate linear relation in log scale between HCP test results to CBR values for a certain density of soil. Correlation for HCP and density to CBR has been put forward for…

Experimental observation on a model of free over flow spillway is used in this study. Three configurations of baffle placement are used in the experiment. The energy along the flow over the spillway were calculated based on measured flow depth and discharge during the experiment. Variations of flow depth and discharge were determined based on baffle height as a reference. The experiments were done in a 7 meters long flume of 0.078 m wide. The spillway model has a dimension of 17.2 cm high, with rounded crest and 1:1 downstream slope. There is no structures placed at the downstream of…

Tuned mass damper (TMD) has been used for vibration controller of building, especially for high rise building. TMD is one of passive device for reducing response of the structure which subjected to dynamic external disturbance such as wind, or earthquake load. TMD used its weight for reducing the vibration, TMD

Pengembangan kurva fragilitas merupakan salah satu metode penilaian kerentanan jembatan terhadap beban gempa yang dilakukan untuk memastikan keamanan dan kemampuan layan jembatan selama dan pasca gempa. Kurva fragilitas menunjukkan nilai probabilitas terjadinya suatu tingkat kerusakan pada struktur jembatan akibat suatu intensitas gempa, sehingga dapat digunakan untuk mengidentifikasi potensi kerusakan dan menentukan level kinerja jembatan. Studi ini mengembangkan kurva fragilitas untuk Jembatan Box Girder-Beton Prategang-Menerus-Bentang Majemuk eksisting yang berlokasi di Jakarta, dengan…

Karakteristik dinamika seas dan swell di sepanjang perairan Laut China Selatan-Teluk Jakarta pada waktu terjadi Badai Hagibis (18"“27 November 2007) dikaji dengan menggunakan metode pemodelan spektrum gelombang untuk mengetahui kontribusi gelombang yang dibangkitkan angin (gelombang angin) terhadap kejadian rob tanggal 25 November 2007 di pantai utara Jakarta. Pada penelitian ini, dilakukan pula uji coba simulasi model spektrum gelombang yang mengacu pada kedalaman tetap (batimetri) dan pada kedalaman total (jumlah batimetri dan pasang surut astronomis) untuk mengetahui pengaruh pasang surut…

Sistem Manajemen Keselamatan dan Kesehatan Kerja (SMK3) diamanatkan melalui PP 50/2012. Dalam konteks pekerjaan konstruksi, KemenPUPR telah menerbitkan PerMenPUPR 5/2014 yang kemudian diperbarui menjadi PerMenPUPR 2/2018. Pedoman ini mengatur pengalokasian biaya penerapan SMK3 oleh Penyedia Jasa dan Pengguna Jasa. Pedoman ini telah mengatur komponen-komponen biaya SMK3 yang harus diperhitungkan dan dilaksanakan di proyek-proyek berisiko tinggi. Namun penerapannya belum berdampak pada peningkatan kinerja K3 konstruksi, dengan demikian digali potensi penerapan pangalokasian anggaran SMK3 dalam…

Basis dari pemodelan permintaan aktivitas adalah keputusan perjalanan yang merupakan bagian dari proses penjadwalan aktivitas. Permintaan perjalanan terjadi akibat adanya partisipasi aktivitas rumah tangga oleh pekerja dan non pekerja di luar rumah dan waktu yang dihabiskan untuk melakukan aktivitas tersebut hingga kembali ke rumah. Tujuan dari penelitian ini adalah untuk mendapatkan model partisipasi aktivitas oleh pekerja berdasarkan durasi aktivitas, mengetahui hubungan antar variabel eksogen dan variabel endogen serta hubungan antar variabel endogen akibat adanya variabel eksogen.…