The simplified calculating method of effective length of the flexible pile in the compound foundation;

Based on the great deal of data in field experiment study of piled raft in high-rise buildings and two typical projects which was calculated and analyzed with three simplified calculating methods,load-sharing between pile and raft was confirmed.

Adopting critical equilibrium theory, finite element method and simplified calculating method, the internal integral stability analysis for soil nailing support structure is introduced in detail; and the advantages, disadvantages and applicable situations of each method are given.

Started with the developmental stage of raft foundation s design method,this paper illustrates the concept of three design methods as simplified calculation method,base-plate theoretical analysis method,and combined active analysis method,and discusses the application of these design methods,in order to make structural design safe and economic.

This paper develops a set of simplified calculation methods through comparing a variety of calculation methods and observed data from the site.

The simplified calculation method of vibration response of jacket platform is put forward for the preliminary design phase.

In this paper,several existing simplified methods for calculating the dynamic characteristics of SoilStructure Interaction (SSI) are introduced and checked using the SSI shaking table model test data.

This paper proposed a safe transmission scheme for the secret information based on IDA algorithm,expounds theoretically in detail this scheme,gives the test results,and analyzes on the advantages and disadvantages of these results.