Metallic sandwich panels with periodic truss core are an important new structure.

The minimum compliance optimization and the maximum loading capacity analysis for themultilayer truss-like core sandwich structure were studied in this paper.

The author studies the structure design and structure checking calculation of Jintang large Bridge non-navigable span cast-in-place pier body template,emphasis on marine non-sport supported mode construction technology under the harsh ocean condition of wind,wave and flow,which has important significance on cast-in-place pier body construction under harsh environment.