jjwee

Hi,
I am working in Singapore. The project involve in right now, requires the use of CMU blocks of various sizes. And ALC blocks.

Having a difficult time searching for the 90mm CMU blocks 2hr FR test report. As I have only manage to find 140mm and 190mm.

Point loads for ALC are very low, are there any tests done or available reports for both ALC and CMU?

JJ

Tscarborough

Contact your local supplier as any information relating to these 2 specific properties will rely upon the materials used in that location.

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It ain't Rocket Science unless you are building rockets.

concretemasonry

According to most standards, you will not find a 90 mm CMU that has a 2 hour rating without any covering.

Different building codes refer to different material standards. Your standards may be different.

The fire resistance of a block depends on the type of aggregate used to make it. The same size and shape (same face shell thickness also) can have differenr fire ratings depending on the aggregate.

Point load capacity on a wall will depend the height and thickness of the wall in addition to the obvious bearing area.

I have no idea that your term "ALC" refers to.

One of the most commonly used masonry design codes in the world is ACI 530 that also lists the appropriate materials standards to the code is based on.

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Dick

Engineer, designer and consultant recently active internationally on construction and design in about 35 countries.