隧道技术 and Mining
典型应用
适用于临时和永久应用中的屋顶和墙壁螺栓连接
我们的解决方案
GEOTEC 格构梁系统是轻质三维弯曲钢框架，由主杆、次杆、连接板、踏板和加强筋组成。
The lattice girder can provide immediate support for 隧道 环境。
弯曲半径是根据每个项目的需求量身定制的。
伞管
适用于软弱地基的预支撑系统
GEOTEC™ 伞形管道系统是软弱地面条件下的预支撑。该系统包括从隧道掌子面安装的钢管，形成顶板以稳定隧道首部。将荷载分布在纵向上可以减少挖掘过程中的变形。
伞管法的支护机理是通过拱形加固区在横向和纵向上稳定开挖面。支撑体系可分为三个不同的方面：
径向支撑 纵向支撑
无支撑区空地的细分
钢制组合螺栓
钻孔、灌浆、锚固三合一！
GEOTEC Steel self-drilling rock bolt is a rock-bolting system based on a fully coarse threaded hollow bar.
特别推荐用于以下应用：
屋顶和墙壁螺栓连接。
All ground conditions. GEOTEC self drilling rock bolts do not require pre-drilling a hole, therefore making it usable even in soft rock conditions.
Installation with grout. The hollow steel anchor rod also acts as a grouting pipe to ease setup. For non-grouting applications, please refer to the mechanical anchor or expandable friction bolt.
临时或永久申请。具有可选的环氧涂层，可用于永久应用。
ASTEC 纤维增强聚合物 hollow rock bolt is a rock-bolting system based on fully threaded hollow 玻璃纤维增强聚合物 bars. It is specially designed for the following applications:
面螺栓连接和临时应用： The cut-ability of 纤维增强聚合物 makes it the ideal solution for face bolting or any other tunneling/mining application where further excavation is required.
Cohesive soil & hard rock conditions: ASTEC is inserted into a pre-drilled hole. For a non-cohesive soil environment, refer instead to 纤维增强聚合物 Self-Drilling Bolts.
使用灌浆安装： The hollow 玻璃纤维增强聚合物 anchor rod also acts as a grouting pipe to ease installation.
