The growth of using self-drilling anchor hollow bar in rock bolting, soil nailing and micropiling is rapid. Self-drilling anchor has been around for at least 40 years. It is developed for tunneling applications in weak or collapsing ground. Until today it is still used for the NEW Austrian Tunneling Method (NATM). However,Unlike the solid reinforcing …
The raising standard of self-drilling anchor hollow bar Read More »
Abstract The foundation of construction support continues to improve to meet the requirements of building and structures, since people began to build constructions. With the expansion of cities, there are not enough support areas near the grounds. Therefore, foundation is designed to transfer load to a suitable bearing earth layer. Buildings influenced by wind …
Micropile Reinforcing System and Corrosion Protection Read More »
The story happens in Westeros is very popular. It is the same in the history of self drilling anchor bolting development. Let’s take a look at these real groups. The founder and former ruler: Atlas copco,is the first company to use SDA Hollow Bars in railways in 1980’s. Basic structure & function: Rope Thread, …
A history of Self-Drilling Anchor (Game of Thrones version) Read More »
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