Sun Jun, male, Han nationality, is native of Shaoxing, Zhejiang Province. He was born in Suzhou, Jiangsu Province and graduated from the Civil Engineering Department of Communications University in 1949. Sun is considered an expert on tunnel and underground building engineering.
In the field of tunnel and underground structure, Sun is noted for his creation of a new disciplinary branch: underground structure engineering mechanics. His academic studies include analyzing underground structure viscosity, elasticity and plasticity theory, rheology of rock soil material, and underground protective structure explosion-resistance dynamics.
Sun is a professor in the underground building engineering department at Tongji University. Since the 1980s, he has completed forty national key projects, a natural science fund, and various engineering research projects. Sun has also presided over the establishment of the first tunnel and underground building engineering specialty at the university.