Adjustable supporting construction support and method for independent pier capping beam construction

The invention provides an adjustable supporting construction support and method for construction of an independent pier cover beam. The adjustable supporting construction support for construction of the independent pier cover beam comprises a steel truss supporting mechanism used for a concrete pier column, the steel truss supporting mechanism comprises a first supporting column, two second supporting columns and a first bottom supporting plate, and the two second supporting columns are arranged on the two sides of the first supporting column correspondingly; second square base plates are fixedly installed at the bottom ends of the first supporting column and the second supporting column correspondingly, a first square base plate is connected to the bottoms of the second square base plates, and the first square base plate and the second square base plate are fixedly connected through four bolts; the first supporting column and the second supporting column are each provided with two fixing mechanisms. The adju