To prevent a stress resisting deformation of a floor beam to occur in a frame structure for supporting a ceiling material and a deck and the like below and above a floor beam during a load heating test of a floor beam structure according to a membrane refractory method To provide a test specimen and a test method capable of appropriately grasping the amount of deformation of a floor beam.A frame structure (5) provided so as to surround an intermediate portion of a floor beam (2) comprises a suspension frame (6) disposed above a floor beam (2) and placed on a floor beam (2), a suspension frame And a floor frame 7 which is held and arranged on the side of the floor beam 2. The floor slab 4 is placed between the floor beam 2 and the floor frame 7, the ceiling material 3 is stretched under the floor frame 7, and the frame 5, the deck 4, the ceiling material 3, etc. All the weight is loaded on the floor beam 2. The hanging frame 6 is joined via a node allowing displacement of the floor beam 2 in the deflection direction with respect to the floor beam 2, and the floor frame 7 is divided at the intermediate portion in the longitudinal direction thereof and is subjected to flexural deformation of the floor beam 2 So that it can follow and displace.(FIG. 10)
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