Study on Spring back of Particleboard Mat after Prepressing;

Analysis of prepressing contact in aluminium alloy resistance spot welding;

Since many plywood enterprises are faced with the prepressing problem of plywood,a series of designedorthogonal plywood prepressing experiments with several main factors influencing plywood prepressing property were made;the experiment results were analyzed and the most important factor influencing plywood preressing was found.

Calculations of soft foundation treatment sedimentation by vacuum preloading method;

In combination with the preloading engineering of an expressway by vacuum preloading combined with loading preconsolication, this paper analyzes the consolidation mechanism of vacuum preloading, discusses the construction factors influencing the effect of vacuum preloading consolidation, and points out common troubles and removing methods.