In this paper, based on the actual project of Xinyajiang Bridge in Panzhihua, the structural style of long-span bridge adapt to mountainous district is discussed.

Study on Rational Exploitation of Natural Resources and Economic Sustainable Development in Panzhihua City;

The Natural Leap Developmental Strategy in the Great West Development——A Case Study of Panzhihua City;

Strengthen Land Reorganization and Optimize Exploitation of Potential Land Resources -- An Analysis of the Project of Land Development and Reorganization in Panzhihua City， Sichuan;

The Pollution Control Countermeasures of Industrial Solid Waste of Panzhihua;

Studies of the Biodiversity and the Sustainability of Biotic Resources in Panzhihua,Sichuan,P.R.C.;

Investigation on the present status of turfgrass and some measures on developing it in Panzhihua and Xichang city;

This thesis starts with sediments in Panzhihua downtown area, and focuses not only on the physical chemistry characteristics of Jinsha River and its branches within a range of about 40km in Panzhihua City, which is from Jinjiang Station on the east and to Geliping on the west, but also on the geochemical characteristics of heavy metals in sediments.

Stresses and deformations of Yajiang Bridge,an old continuous steel truss bridge when a heavy vehicle passes it are calculated and deck s crack resistance behavior is verified by building 3D space model including truss bar,beam,plate and brick elements.