The proposed prediction model for estimating the maximum rebound ratio was applied to a field explosion test, Mandai test in Singapore. The estimated possible maximum peak particle velocities(PPVs) were compared with the field records. Three of the four av ...

2007

Viscous boundary of DDA for modeling stress wave propagation in jointed rock

Jian Zhao

2007

Study on damage characteristics of rock mass under blasting load in Ling’Ao nuclear power station, Guangdong province

Jian Zhao

2007

Physical modeling of effect of joint density on failure of surrounding rocks

Jian Zhao

2007

Analysis of the π+ π- π+ π- and π+ π0 π- π0 final states in quasi-real two-photon collisions at LEP

Eduardo Sanchez, Horst Vogel, Aurelio Bay, Jian Zhao, Liang Sun, Qian Wang, Zhirui Xu, Matthias Weber, Ji Hyun Kim, Werner Lustermann, Xiao Wang, Zheng Wang

The reactions γ γ → π+ π- π+ π- and γ γ → π+ π0 π- π0 are studied with the L3 detector at LEP in a data sample collected at centre-of-mass energies from 161 GeV to 209 GeV with a total integrated luminosity of 698 pb-1. A spin-parity-helicity analysis of t ...

2006

A search for flaring very-high-energy cosmic gamma-ray sources with the L3+C muon spectrometer

Eduardo Sanchez, Horst Vogel, Aurelio Bay, Yu Lei, Jian Zhao, Camille Haller, Liang Sun, Qian Wang, Zhirui Xu, Matthias Weber, Ji Hyun Kim, Werner Lustermann, Xiao Wang, Yifei Guo, Xuan Yang, Zheng Wang

The L3+C muon detector at the CERN electron-positron collider, LEP, is used for the detection of very-high-energy cosmic gamma-ray sources through the observation of muons of energies above 20, 30, 50 and 100 GeV. Daily or monthly excesses in the rate of s ...

Elsevier2006

Transmission ratio (Tn) in the radian direction normal to joints in 2-D compressional wave propagation in rock masses

Jian Zhao

2006

Search for neutral MSSM Higgs bosons at LEP

André Rouge, Eduardo Sanchez, Horst Vogel, Aurelio Bay, Jian Zhao, Bénédicte Marie Maréchal, Frédéric Teubert, Rémy Teuscher, Liang Sun, Shan Jin, Songmei Wu, Qian Wang, Greig Alan Cowan, Csaba Hajdu, Zhirui Xu, Francesco Cerutti, Mark Tobin, Peter Hansen, Lei Zhang, John Wilson, Paolo Ronchese, Matthias Weber, Ji Hyun Kim, Georgios Anagnostou, Simone Campana, Werner Lustermann, Xiao Wang, Zheng Wang

2006

Rock mechanics and excavation by tunnel boring machine - issues and challenges

Jian Zhao

2006

Characteristics of transmittivity for a single joint in 2D wave propagation and implications

Jian Zhao

2006

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