FAQ | Pre-stressed equipment

Frequently Asked Questions

To help our customers understand our products we have complied the most frequently asked questions and answers.

What is the mix of concrete is traditionally used in MACFAB prestressed casting beds?

1200kgs of crushed stone 8-12mm. 800kgs of concrete sand mix .420 kgs of Portland cement. Add mixtures as required. Add water to achieve a mixture of 100mm Slump approx. Transfer of stressing onto the profile after Achieving 32 to 35 Kn .

What type of boiler is recommended to cure tensioned concrete in MACFAB prestressed equipment?

This will depend on the length of the casting bed but typically an oil or gas fired boiler of 250 BTU

What type of wire strand is used in MACFAB pre-stressed equipment?

Normally 9.3mm Stressing stand with a 60 percent of braking Strain. Please discuss with our sales team to confirm your requirements.

Is it possible to ship MACFAB pre-stressed casting beds by sea container?

Yes It is possible to ship equipments stacked in sections in a 40 Foot High cube open top container.