橋梁伸縮縫簡稱GQF ，其型號分為C E F Z D RG，具體型號型鋼間距分為40 60 80.這是幾種常用的伸縮縫。還有用的比較少的幾種伸縮縫有MZL SSFB RB...MZL伸縮縫型鋼間距為160 240 320.。。 SSFB伸縮縫型鋼間距為20 40 60 80 100 120 .....
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