| 摘要 |
PROBLEM TO BE SOLVED: To decrease a cost for construction, and shorten a period of construction. SOLUTION: This joint structure for a composite floor slab of steel and concrete consists of a male joint 11 having a projecting and engaging part 13 fixed on an end part of a bottom steel plate 2 of one of a steel bottom form 10A, and a female joint 15 fixed on an end part of a bottom steel plate 2 of the other steel bottom form 10B and having a recessed groove 17 for fitting into the projecting and engaging part; wherein both steel bottom forms 10A and 10B are jointed by fitting the male joint 11 into the female joint 15.
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