This article discusses through the record of climate on ground in this area,combining the code,calculating design frost-depth of the ditch,confirming the critical value of stage to install bedding cushion for preventing frostbite,installing bedding cushion for preventing frostbite for the lining ditch.

This paper introduces the freezing design technique on special shaft-sinking and the expert system.

The detailed design and construction of bonding pretressed beamless floor slab;

Presents the detailed design,installation method,techniques and relative issues of spiral ducts in the New China International Exhibition Center,providing the study material for the construction domain.

For the particularity of power plant projects,such as structure complex,the component sections forms and the form of unconventionally connected nodes various,combined with the main plant(Phase I)construction experience,the detailed design of the second phase is modified.