| 摘要 |
PURPOSE: A channel block having an escape way is provided to obtain a channel having a safe structure after construction. CONSTITUTION: The channel block(100) having an escape way comprises a floor body(110) supported to the bottom of a channel, a side wall(120) formed at the appointed height from both upper sides of the floor body(110), a reinforcing rib(130) unified with the front and rear formed by the upper part of the floor body(110) to reinforce the side wall(120), and a groove for escape(140) formed to the appointed depth to step on the side wall(120).
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