Piling work is one of the fundamentals of any infrastructural development as through this process the base of the structure is bolstered. By implementing Prestressed Rock Anchors, steel reinforcements and concrete mazes, the buildings are built up to the likes of sky itself.
Rock anchors play very important part in stabilizing the structure.
An Anchor can be defined as a system used to transfer tensile loads to the ground , through prestressing
steel, anchorage, corrosion protection, bond breaker, spacers, centralizers and grout.
There are several types of anchors which are used in the field of infrastructure. Lets take a look at some
of them. Downward Sloped Anchor: Any prestressed anchor, which is inclined greater than 5 degrees below the
horizontal are used as downward sloped anchors. Fully Bonded Anchor: The anchor in which the free stressing length without bond-breaker is surrounded
by grout, which after stressing is bonded to the surrounding structure or ground, is called as Fully
Bonded Anchor. Permanent Anchor: These anchors are prestressed anchors which are used while the its use is
permanent in construction. Permanent anchors generally have the shelf life of at least a 24-month
service life. Temporary Anchor: Even these anchors are prestressed anchors, but they are deemed for temporary
use. Their use-span iis generally defined as having a service life less than 24 months. Unbonded Anchor: An anchor in which the free stressing length remains permanently unbonded to the
surrounding ground or structure is called as unbonded anchor. Upward Sloped Anchor: Any prestressed anchor, inclined greater than 5 degrees above the horizontal is
called as Upward Sloped Anchor.
The most common use of sprayed concrete in the civil engineering industry is the facing of piled walls.
The sprayed concrete process is ideally suited for the construction of single sided basement walls that
have been formed using either Secant or contiguous piles.