نتایج جستجو برای: arch bridge

تعداد نتایج: 73713  

ژورنال: Journal of Railway Research 2021
Ataei, Shervan, Shariatzadeh, M,

There is an escalating demand for condition monitoring enhancement of transport infrastructures worldwide. Bridges are of vital importance in transportation infrastructure and need such monitoring. In this research, a non-contact vision-based technique called Digital Image Correlation (DIC) was used to calculate the bridge displacements. A high frame rate camera with 4K capability was used for ...

Journal: :World Journal of Advanced Engineering Technology and Sciences 2023

Thanks to the cantilever launching technique, arch bridge building has once again become popular throughout world. Today, these structures are one of three main types long-span bridges, along with suspension and cable-stayed bridges. Arch have a complex behavior during powerful earthquakes because rib is an element that primarily susceptible large axial compression force brought on by dead load...

2014
Xianlong He Xueshan Yang Lizhen Zhao

Dynamic deflection measurement is an important component to the bridge loading experiment or health monitoring. Using high-precision inclinometers to test the dynamic deflection is a good method for High-Speed Railway Bridge deflection measurement in this paper, we develop a kind of precision inclinometer which comprehensives the Capacitive sensor technology and the Servo sensor technology and ...

Journal: :Intelligent Automation & Soft Computing 2012
Jianting Zhou Lu Liu Ping Lu

In order to establish the appraisal target system, the principles and methods of the Fuzzy Analytic Hierarchy Process (FAHP) were described in aspects of structuring the comparative judgment matrix described by interval numbers, solving both the interval weight vector and the comprehensive weights of the general target determined by various layers, and selecting the strengthening proposal out o...

2015
Joan Ramon Casas

Infrastructures are a key factor for economy. Among them, transportation infrastructures are vital for human life and economy. And within the transportation networks, bridges are key elements for connecting people anddelivering goods. For this reason, bridges have been built sincemany centuries ago, in some way, and the advances (and sometimes geographical expansions!!) of ancient cultures all ...

Journal: :The Baltic Journal of Road and Bridge Engineering 2019

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