A portable monitoring approach using cameras and computer vision for bridge load rating in smart cities

2020 ◽  
Vol 10 (5) ◽  
pp. 1001-1021
Author(s):  
Chuan-Zhi Dong ◽  
Selcuk Bas ◽  
F. Necati Catbas
Author(s):  
David J. Lawson ◽  
Cheng Lok (Caleb) Hing ◽  
Jason A. Carota

2007 ◽  
Vol 12 (6) ◽  
pp. 785-793 ◽  
Author(s):  
Keary LeBeau ◽  
Sara Wadia-Fascetti

Sensors ◽  
2019 ◽  
Vol 19 (8) ◽  
pp. 1796 ◽  
Author(s):  
George To Sum Ho ◽  
Yung Po Tsang ◽  
Chun Ho Wu ◽  
Wai Hung Wong ◽  
King Lun Choy

In digital and green city initiatives, smart mobility is a key aspect of developing smart cities and it is important for built-up areas worldwide. Double-parking and busy roadside activities such as frequent loading and unloading of trucks, have a negative impact on traffic situations, especially in cities with high transportation density. Hence, a real-time internet of things (IoT)-based system for surveillance of roadside loading and unloading bays is needed. In this paper, a fully integrated solution is developed by equipping high-definition smart cameras with wireless communication for traffic surveillance. Henceforth, this system is referred to as a computer vision-based roadside occupation surveillance system (CVROSS). Through a vision-based network, real-time roadside traffic images, such as images of loading or unloading activities, are captured automatically. By making use of the collected data, decision support on roadside occupancy and vacancy can be evaluated by means of fuzzy logic and visualized for users, thus enhancing the transparency of roadside activities. The CVROSS was designed and tested in Hong Kong to validate the accuracy of parking-gap estimation and system performance, aiming at facilitating traffic and fleet management for smart mobility.


Author(s):  
Sayed M. Sayed ◽  
Hisham N. Sunna ◽  
Pamela R. Moore

Author(s):  
Muhammad Murtaza Khan ◽  
Muhammad U. Ilyas ◽  
Sajid Saleem ◽  
Jalal S. Alowibdi ◽  
Mohammed Saeed Alkatheiri

Author(s):  
Andika Arief Saputra ◽  
Hrc. Priyosulistyo ◽  
Muslikh Muslikh

ABSTRAKJembatan merupakan infrastruktur transportasi yang vital. Jika suatu jembatan mengalami kegagalan maka lumpuhlah sistem tersebut. Oleh karena itu, kajian ini bertujuan untuk mengetahui nilai kapasitas sisa jembatan eksisting sehingga dapat dinilai bahwa jembatan tersebut masih layak digunakan atau tidak. Kajian ini dilakukan pada segmen P1-P5 (arah Dawuan) jembatan Cinapel yang terletak di Kabupaten Sumedang. Jembatan ini merupakan jembatan beton prategang. Metode kajian yang digunakan adalah metode load rating factor. Dilakukan dengan menghitung kapasitas dukung gelagar dan plat lantai kendaraan. Standar perhitungan dengan mengacu pada Peraturan Penentuan Bridge Load Rating untuk Jembatan Eksisting dari Menteri Pekerjaan Umum dan Perumahan Rakyat (03/SE/M/2016). Dari hasil perhitungan didapatkan hasil bahwa nilai RF gelagar bentang tepi, bentang tengah, dan plat lantai kendaraan memiliki nilai >1 yang artinya bahwa struktur jembatan Cinapel bentang P1-P5 arah Dawuan aman dalam melayani lalu lintas yang melintasi jembatan.Kata kunci: jembatan beton prategang, load rating factor, struktur atasABSTRACTBridges are vital transportation infrastructure. If a bridge fails then the system is chaos. Therefore, this study aims to determine the remaining capacity of the existing bridge where the bridge is still suitable for use or not. This research was conducted on the P1-P5 segment (Dawuan direction) Cinapel bridge located in Sumedang Regency. This bridge is a prestressed concrete bridge. The research method used is the load rating factor method. It was carried out by calculating the carrying capacity of the girder and slab of the bridge. Calculation refer to the Determination for Existing Bridges using Load Rating Factor of the Minister of Public Works and Public Housing (03/SE/M/2016). The results of calculation obtained that the RF of the outer span girder, middle span, and slab are greater than 1 (RF > 1) which means that the structure of the Cinapel bridge span P1-P5 is safe.Keywords: prestressed concrete bridge, load rating factor, upper structure


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