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To study the characteristics of ground settlement of tunnel shield construction in loess area, considering the particularity of loess area, a 3D numerical simulation software named FLAC3D is used to calculate the ground settlement of tunnel shield construction. Distribution law of transversal and longitudinal settlement, deformation characteristics of subway structure and surrounding rocks in the...
Wireless sensor networks (WSN) are composed of a large number of sensor nodes which are connected by wireless channels. Some of these sensor nodes are regarded as critical nodes which are responsible for the management of the other nodes in their sphere. Therefore, update of node information must be implemented through these critical nodespsila multicast operation. In this paper, we present a novel...
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