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Dynamic properties of civil structures such as natural frequencies, damping ratios, and mode shapes are essential parameters for evaluating the health condition structures. However, dynamic prone to be biased by environmental effects which may lead fault structural assessment. To investigate effect on ballasted bridge, in this paper, a series vibration experiments were performed multi-span pre-...

Pre-stressed members in various structures are gaining popularity among engineers many parts of the world because pre-stressed strands offer better stability, serviceability, economy, aesthetics, and structural efficiency. The profile strand greatly influences tensile strength concrete. force exerted by on concrete counterbalances internal forces. A construction engineer’s principal goal is to ...

Abstract This paper presents experimental verification of indirect tests for the determination stress-crack opening curve concrete, based on method described in RILEM TC 187-SOC report and submitted to ACI Committee 446 Fracture Toughness Testing Concrete, which relies standard cohesive model. In such method, a bilinear approximation softening is determined from three-point bending notched spec...

Following a recent world wide resurgence in the desire to build and operate nuclear power stations as a response to rising energy demands and global plans to reduce carbon emissions, and in the light of recent events such as those at the Fukushima Dai-ichi nuclear power plant in Japan, which have raised questions of safety, this work has investigated the long term behaviour of concrete nuclear ...

Building Information Modeling realm is expanding with the advent of new technologies, processes and software for Architecture, Engineering, Construction and Facility Management industry. The importance of robust knowledge sharing between different stakeholders in a project is of highest priority in such scenarios. model diew definitions provides an empirical specification for the implementation...

With advances in sensor technology and availability of low cost integrated circuits, a wireless monitoring sensor network has been considered to be the new generation technology for structural health monitoring. Wireless Intelligent Sensor and Actuator Network (WISAN) has hence been developed as a vibration based structural monitoring network that allows extraction of mode shapes from output-on...