Evaluation of Environmental Vibration Effect in Cement Concrete Pavement Rubblizing by Multiple Head Breaker

Abstract:

Multiple Head Breaker (MHB) is an innovative cement concrete pavement breaking machine with high impact energy. The impact energy of multiple head propagates in vertical and horizontal direction simultaneously which results the environmental vibration effect consequently. The slope and structures beside the highway are influenced by vibration in rubblizing of cement concrete pavement. But there is a lack of research on environmental vibration effect, such as the influence range, whether there exists destructive effect or not. The characteristics and influence range of ground vibration are analyzed on the base of vibration data acquired by seismograph. The vibration attenuates fast and takes on some traits of concussion and instantaneous vibration. The safe influence range of MHB is associated with characteristic of slope soil. Relationship between vibrancy distance and vertical & horizontal vibration acceleration is established. And the influence range and safe distance are put forward which can provide reasonable parameters for design and construction in rehabilitation of cement concrete pavement.

• Periodical: Advanced Materials Research (Volumes 255-260)
• Pages: 3145-3149
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.255-260.3145
• Online since: May 2011
• Authors: Zong Ling Yan, Hai Ping Li
• Keywords: MHB (Multiple Head Breaker), Pavement Engineering, Rubblization of Cement Concrete Pavement, Vibration Monitoring

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