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We Are Specialised in;

Strong Force MGC offers complete engineering solutions from the initial concept stage to detailed construction stage to it’s clients and the core services are the following

Post-Tensioning Method

There are two methods...


This method consists of stressing and reinforcing the inside of large steel buttresses, and then casting the concrete around the reinforcement. This method can only be done at a precast manufacturing facility. The completed Pre-Stressed concrete members will then be trucked out to the job site and assembled.


Instead of stressing the reinforcing inside of large steel buttresses at a manufacturing plant, the high tensile cables are simply installed on the job site after the contractor forms up the slabs or constructs the walls and columns. The cables are housed in sheathing or duct that prevents the steel from bonding to the concrete so that it can be stressed after the concrete cures (hardens). Using the Post-Tensioning method of Pre-Stressing enables a builder to capitalise on all of the advantages of Pre-Stressed concrete or masonry while still having the flexibility to construct the member on the job site.



Concrete, masonry, and most cement based products are very strong in compression as they have a high capacity to resist compressive forces. Compressive forces can be described as crushing forces. Concrete has a very high compressive strength that can be anywhere from 17.24 N/mm2 and in most residential foundations to 27.58 N/mm2 in suspended slabs and walls in buildings, to even higher strengths in bridges. However, concrete is relatively weak in tension as it does not resist tensile forces very well. Tensile forces are the forces that pull an element apart and cause cracking in concrete.


Conversely, steel is very strong in tension. It has a high capacity for resisting the forces that pull apart or bend it. Combining specially produced high tensile woven wire cables as the reinforcement with concrete or masonry, results in a product that can resist both compressive forces and tensile forces. In addition, substantial benefits can be achieved by using tendons to "squeeze the concrete together" or place it in compression. Compressing the concrete increases the bending strength of the member without which cracking will occur. By increasing the tensile strength of the member (making the concrete slab or masonry wall stiffer), a designer can achieve longer spans with thinner concrete sections.


Putting the concrete into compression also helps to resist the development of shrinkage cracks. Shrinkage cracks, while typically not detrimental to the flexural performance of the structure, can be unsightly and can allow the passage of moisture or termites. Generally, shrinkage cracks will develop in most cement based products as the water combines with the cement and the concrete cures (hardens). The more the concrete is "squeezed together", the less likely it is that shrinkage cracks will develop or open.

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