CONCRETE REPAIRS
CONCRETE CRACK REPAIRS PERTH
CRACK STITCHING
Crack stitching is a repair method that is suitable when tensile strength must be restored across the cracks. It provides a permanent solution for reinforcement ensuring stabilisation of the structure, it’s concealed when installed, it allows for rapid installation with minimal disruption, reduces the likelihood of further cracking nearby and provides flexibility.
Dependent upon the size and depth, crack stitching is used once signs of cracking appears in a structure; the cracks may be horizontal, stepped or a combination of both.
Two common methods of crack repair utilised by BUSS include:
- A carbon fibre crack lock system which is engineered to halt cracks in concrete slabs, poured walls, concrete block foundation, masonry walls, bridges and industrial buildings.
- A crack stitching bar system which is a stainless-steel reinforcing bar with extensive tensile properties which repairs and stabilises cracked masonry.
CRACK INJECTION
Dependent upon the width, length and dept of a crack, epoxy injection is capable of restoring concrete to its pre-cracked strength. It is a cost-effective method of repair for non-moving cracks in concrete walls, slabs, columns, beams and piers.
This crack repair technique consists of establishing entry and venting ports at close intervals along the cracks, sealing the cracks on the exposed surfaces and injecting the epoxy under pressure. It’s important to note that unless the cause of the concrete crack(s) is determined and remedied, it will likely recur near the original crack. However, it is important to note that this method of repair is not recommended if the crack is active, there is a large number of cracks and/or when water leaks cannot be controlled. Additionally, concrete cracks that are the result of corroded steel should not be repaired with epoxy injection as the steel will continue to corrode and new cracks will likely appear.
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