檢視过梁的原始碼

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|<center>'''过梁'''<br><img
src=" https://ts1.cn.mm.bing.net/th/id/R-C.2f4545bb9b1b3385a8d54a972095641c?rik=hPI%2bjnqLjmZVlw&riu=http%3a%2f%2fp4.qhmsg.com%2fdr%2f200__%2ft011a5325091b78b038.jpg&ehk=AS%2bUyhfDCiknvpc621%2fSPiGdWbROnVBnueiyGaJeZ8Y%3d&risl=&pid=ImgRaw&r=0" width="280"></center><small>  圖片來自优酷</small> 
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当墙体上开设门窗洞口且墙体洞口大于300mm时，为了支撑洞口上部砌体所传来的各种荷载，并将这些荷载传给门窗等洞口两边的墙，常在门窗洞口上设置横梁，该梁称为过梁。

过梁的种类有两种，有现浇和预制两种。