[請益] 請問柱鋼筋的補助箍筋?
剛剛看了一段影片,內容提到如下:
繫筋彎勾上下左右135度、90度交互配置,每超過15cm、跳一根主筋,需補助箍筋。其中
對於「……每超過15cm`跳一根主筋,需補助箍筋……」,這句話是什麼意思,看不懂,
有高手可以解答嗎?
影片如下:https://youtu.be/bMQoCZj1ODU
在6:50處
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