| 摘要 |
PROBLEM TO BE SOLVED: To provide a two-way concrete hollow slab wherein an embedded body is prevented from lifting and surely buried in a specified position inside the slab and which can be manufactured without complicating work therefor. SOLUTION: The two-way concrete hollow slab (1) comprises bottom end reinforcing bars (20 and 21) arranged lengthwise and breadthwise, top end reinforcing bars (30) arranged lengthwise and breadthwise above the bottom end reinforcing bars (20 and 21), the embedded bodies (40) arranged between the bottom end reinforcing bars (20 and 21) and the top end reinforcing bars (30) and concrete (50) which buries the bottom end reinforcing bars (20 and 21), the top end reinforcing bars (30) and the embedded bodies (50). The embedded body (40) is fixed to the bottom end reinforcing bars (20 and 21) by a fixing means (80). COPYRIGHT: (C)2006,JPO&NCIPI
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