According to contrast test,analysis on bearing capacity size effect about pier foundation is carried,the result shows the adjustment coefficient appears the series of regular decreasing powers following the rise of pier floor\'s diameter,and get an adjusting coefficient curve about pier floor\'s size effect.

Taking the items of"nominal frequency" and"adjustment coefficient" as a specification, this paper provides a practical calculation method for adjusting parameters of power frequency series resonance test equipment, which has been verified both in laboratory and on site.

According to cross wall as the load bearing wall in brick masonry structure and the circumstance of improper foundation width calculated from respective bearing capacity in this paper corresponding width adjustment coefficients are revealed for the buildings with 6-7 stories.

The paper explains how to use the methed correctly in view of the selection of testing imstrument,the plate steel of sticking management of pile head,the selection of hammar vibrate energy, the structure of piecing hammer,and adjustment coefficient Kv etc.

Discusses concrete methods of heat metering and charging, introduces the concept of the heat metering and charging regulation coefficient, describes its calculation and two procedures of regulation.

And in this study,an unified matrix solution was given based on the systems of linear indefinite equations with integral coefficients and generalized inverse matrix.

According to the first and second references,a sufficiency and necessity condition on rational root of integral coefficients polynomial is put forward and a reduced method of testing the rational root is also shown in this paper.