TIMBERING OF FLOOR FORM OR THE LIKE IN FLYING-ARCH METHOD

摘要

PURPOSE:To provide a timbering which is used when supporting a floor or beam form temporarily installed on an excavated surface in an attempt to execute construction work of an underground structural skeleton of a building by 'flying-arch method'. CONSTITUTION:When constructing a floor 3 or the like of an underground structural skeleton of a building downward to an underground story based on a flying-arch method, this invention relates to a timbering which supports a form of a floor 3 or a beam 4 on an excavated surface of a ground 1. The above-described timbering 2 consists of a synthetic resin foam molded body and it is provided with a height 'h' from the excavated surface up to the bottom level of the form of the floor 3 or the floor form or the like. At least the upper surface forms a flat surface 2a which makes it possible to support the bottom of the floor form or the like over a wide area. Since the form is light weight, it is easy to carry and install the form manually and simply at a required position, which contribute greatly towards dramatic saving of manpower and reduction of construction cost and construction period as well.