# Injection – drilling angles and distances from the crack

Enter thickness of concrete slab [D]

cm

How much to deepen hole after intersecting crack at mid-point of concrete slab? [d]

cm

## The thickness of the concrete is over 50 cm. Please select one of the options below

*

on your own responsibility

# Calculation of results based on thickness of repaired concrete slab

Drilling angle

Distance from crack for given angle [cm], drilling start point, [a]

Depth of hole intersecting crack at slab mid-point [c]

Suggested drill bit length [c + d]

Spacing of holes on same side of crack

# Calculation of results based on thickness of repaired concrete slab

Drilling angle

Distance from crack for given angle [cm], drilling start point I [a]

Distance from crack for given angle [cm], drilling start point II [a]

Depth of hole intersecting crack at slab mid-point I [c]

GDepth of hole intersecting crack at slab mid-point II [c]

Suggested drill bit length [c + d]

Suggested drill bit length [c + d]

Spacing of holes on same side of crack