本品為無機混合料,具有快硬、高強、微膨脹、冷操作施工和對環(huán)境等特點。省去了錨固道釘時需要熬制加熱工序,避免混凝土軌枕、橋枕因局部受熱可能產(chǎn)生裂縫和降低道釘使用。
一、應用范圍
1、適用于鐵路混凝土軌枕、橋枕的道釘錨固,機械設(shè)備地腳螺栓的錨固。
2、適用于鐵路、隧道、引水隧道、煤礦、橋墩加固、房屋抗震、冶金礦山等地下工程用錨桿進行支護圍巖的快速施工,以及混凝土結(jié)構(gòu)加固工程中牽釘?shù)腻^固,并可滿足鋼筋焊接要求。
二、性能指標
執(zhí)行標準JG/T340-2011混凝土結(jié)構(gòu)工程用錨固膠
項目 |
技術(shù)性能指標 |
|
凝結(jié)時間,min |
初凝 |
≥30 |
終凝 |
≤120 |
|
氯離子含量,% |
≤0.1 |
|
豎向膨脹率,% |
1d |
≥0.1 |
28d |
≥0.1 |
|
抗壓強度,MPa |
1d |
≥30.0 |
28d |
≥60.0 |
|
約束拉拔條件下帶肋鋼筋與混凝土的粘結(jié)強度,MPa |
C30混凝土 |
≥8.5 |
C60混凝土 |
≥14.0 |
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