On Jalan P.B Sudirman there are 3 intersections. The conditions of the three intersections are currently uncoordinated, as a result, vehicles that have just passed the Puputan Renon Intersection have to stop waiting for the green phase to return at the FE Unud Intersection and the same thing also happens at the Waturenggong Intersection. As a result, long queues, delays, and the number of stops, especially during peak hours, are unavoidable. For this reason, it is necessary to carry out an analysis of proper coordination between intersections, to reduce traffic jams at the three intersections. The purpose of this study is to analyze the signal coordination between the three intersections using TRANSYT 15 software. The research was conducted by analyzing primary data and secondary data with MKJI to obtain values of Capacity, Queue Length, Delay, Saturation Degree, and Level of Service for existing conditions, then analyze the existing signal settings for the three intersections using the Time-Distance Diagram method. Signal coordination analysis was performed using TRANSYT 15 and the results from the software were compared with the existing conditions. The result show that the arm Capacity has increased from the existing condition at The Puputan Renon, FE Unud, and Waturenggong Intersections, they were 36.93%, 21.43%, and 70.16%, Degrees of Saturation were decreased to 23%, 29.14%, and 41.53%, and the Number Stop Value were decreased to 94.08%, 73.21%, and 83.74%. From the results of this study, it can be applied to reduce congestion that occurs along P.B. Sudirman Street.
Struktur atap kubah dengan kayu kelapa merupakan inovasi baru yang dicetuskan oleh CV. Bali Mandala pada salah satu projek mereka yang berlokasi di Hawaii. Dimana material utama menggunakan kayu kelapa yang telah di treatment terlebih dahulu untuk meningkatkan ketahanan rayap dan api. Atap kubah ini memiliki struktur yang unik yaitu barupa rangka bermotif bunga, karena bentuk struktur yang tidak umum, maka untuk memastikan bahwa struktur aman dan dapat dipasarkan secara luas perlu dilakukan uji kelayakan. Keterbatasan fasilitas untuk uji beban angin secara langsung menjadi alasan diperlukan analisis dengan pemodelan tiga dimensi (3D) pada komputer. Untuk bisa memperoleh perilaku struktur yang sesuai antara kenyataan dan model 3D, maka dilakukan validasi dengan trial and error pada elastisitas kayu hingga memperoleh deformasi yang sesuai antara struktur di lapangan dan model 3D. Model 3D yang sudah tervalidasi diberikan beban atap, beban angin dan salju yang sesuai dengan ketentuan ASCE 7-22 untuk daerah Hawaii. Dari kombinasi beban layan (D+Lr) didapat deformasi maksimum sebesar 20.7 mm sedangkan lendutan maksimum yang dizinkan adalah 30 mm. Untuk kapasitas tarik, tekan, geser dan lentur elemen kayu dicek berdasarkan Metode Desain Tegangan Izin (DTI) SNI 7973:2013, dimana tegangan tekan, tarik, geser dan lentur akibat beban lebih kecil dari tegangan izinnya. Sehingga dari hasil kontrol tegangan dan lendutan yang masih dibawah nilai batasnya, maka dapat dikatakan atap kubah dengan struktur rangka kayu kelapa aman dan dapat diaplikasikan.
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