R&D managers in China experienced significant changes in the past decade, in particular because of Government policies of economic reform and opening to the outside world. These developments have brought about a number of rather specific R&D management issues and problems. The paper addresses the main problems faced by R&D managers in China. First, the current situation of R&D management in China is discussed, as well as the future developments. The paper then presents a case study of the CISRI (Central Iron & Steel Research Institute), a large comprehensive R&D organisation in Beijing. The analysis leads to the critical issues in CISRI's R&D management. After that, a further investigation is described into the trends of Chinese R&D management. The outcomes described focus on the future of R&D management in China as well as on the integration of Western R&D management theory in China. The paper concludes with the major issues and recommendations for the further development of R&D management in China.
It is challenging for engineers to timely identify illegal ground intrusions in underground systems such as subways. In order to prevent the catastrophic collapse of subway tunnels from intrusion events, this paper investigated the capability of detecting the ground intrusion of underground structures based on dynamic measurement of distributed fiber optic sensing. For an actual subway tunnel monitored by the ultra-weak fiber optic Bragg grating (FBG) sensing fiber with a spatial resolution of five meters, a simulated experiment of the ground intrusion along the selected path was designed and implemented, in which a hydraulic excavator was chosen to exert intrusion perturbations with different strengths and modes at five selected intrusion sites. For each intrusion place, the distributed vibration responses of sensing fibers mounted on the tunnel wall and the track bed were detected to identify the occurrence and characteristics of the intrusion event simulated by the discrete and continuous pulses of the excavator under two loading postures. By checking the on-site records of critical moments in the intrusion process, the proposed detection approach based on distributed structural vibration responses for the ground intrusion can detect the occurrence of intrusion events, locate the intrusion ground area, and distinguish intrusion strength and typical perturbation modes.
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