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XTR260 Tunnel Boring Machine Supports Highway Construction in Jilin

2014-11-07 746 0人评论

　　日前，由徐工自主研发的首台XTR260隧道掘进机运用在吉林某隧道施工工程中。
　　该工程为分离式隧道，出入口均为端墙式洞口，需要通过碎石土、全风化花岗岩、强风化花岗岩、中风化花岗岩和闪长玢岩。与传统炮掘施工方式容易发生坍塌事故相比，隧道掘进机施工具有效率高、安全性好、开挖断面尺寸可控、施工成本更低等诸多优点。
　　XTR260隧道掘进机配备自动卷电缆系统和可旋转电缆高架，减轻了工人劳动强度，提高了工作效率。高压喷雾除尘系统配备封闭式水箱和高压喷雾泵，采用多角度喷雾，配合可选风机除尘，有效改善隧道除尘效果。XTR260隧道掘进机开挖断面大，7米高的断面即可一次成型。

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XTR260 Tunnel Boring Machine Supports Highway Construction in Jilin

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XTR260 Tunnel Boring Machine Supports Highway Construction in Jilin

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