Grout Injection

Posted by: Steve Hitzman 9 years, 7 months ago

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Over the life of a residential home cracks may appear along a wall or brickwork. The size or width of these cracks normally determine the severity of the problem. Some of the problems that can cause these cracks are , Poorly compacted backfill, Structural Inadequacy or soil settlement below the foundation.

In order to determine the cause of these cracks you should engage the services of an Engineer who will inspect the cracks and conduct soil compaction tests. By conducting these tests the engineer can determine the density of the soil beneath the foundations.

In Perth with its typically sandy conditions the engineer will use a PSP or Perth Sand Penotrometer to check compaction. If the tests indicate that the soil under the foundations is not sufficiently compacted the engineer may recommend remedial underpinning measures to minimise further settlement and cracking.

One such form of Underpinning is Micro-fine cement grout Injection. In this process a grout mixture of Micro-fine cement  and water is injected into the ground via a long hollow injection spear. The grout mixture then permeates into the soil and hardens. This effectively cements the soil mass together transferring foundation loads to a soil strata of sufficient bearing capacity.

Our engineers have extensive experience in the area of microfine cement grout injection design. This ensures all underpinning works are designed to the highest standard to minimize the potential for further foundation settlement.

Always insist on the expertise of an Engineer.

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