in this paper, the reciprocal theorem is applied tO researchon the bending problem of set square with three clamped edges undera concentrated load acting at any of its POints, the accuracy solutionof this problem is given.

In this paper,the reciprocal theorem is applied to further research on the bending problem of set square with three corner pointsf supported under a concentrated load acting at any of its points.

The reciprocal theorem is applied to research on the bending problem of set square with free hypoteuse and a clamped edge under uniform loads, the accurate solution of this problem is given.

The article describes two different structure of the anode lifting mechanism in prebaked anode aluminum reduction cell,one is spiral lifting type;the other is set square slideway type,discusses the set square slideway type lifting mechanism in many respects,such as the operation calculation of the lifting load,force analysis of the set square structure and power calculation of the motor.

In this paper, the reciprocal theorem is applied to research on the bending problem of set-squares with one free oblique edge and two clamped edges under a concentrated load acting at any of its points.

In this paper,the reciprocal theorem is applied to research on the bending problem of set-squares under a concentrated load acting at any of its points.