Q.How many blocks are produced in an hour?
A.
A Hydraform single-chamber machine can produce up to 240 blocks in an hour. Hydraform machines with a double chamber can produce up to 480 blocks in an hour.
Q.When do you use mortar?
A.
The Hydraform system is a dry stack system; approximately 75% of the wall does not require any mortar at all. Mortar is only used in the foundation walls and in the Hydraform ring beam above lintel level.
Q.What soil can you use to make blocks?
A.
Generally you can use a soil with 5-30% clay and silt content. For a more comprehensive answer, please visit our 'Technical Tips' section.
Q.What is a good strength of a block?
A.
Block strength requirements differ depending on what the blocks are going to be used for. Hydraform recommends a block strength of 4MPa for internal walls and external wall that will be plastered, and a block strength of 7MPa for external walls that will not be plastered or for walls that will be load-bearing.
Q.How many blocks can you make before changing the wear plates?
A. This would depend very much on the abrasiveness of the soil used. You could expect your wear plates to last anything from 20 000 to 80 000 blocks.
Q.Can Hydraform be used in multi storey construction?
A. Yes, Hydraform has been tested up to three storeys for compressive loading and has been tested for double storey structures for eccentric compressive loads with simulated lateral wind loads. Hydraform performed exceptionally well in these tests.
Q.What does Hydraform mean?
A. Hydraulic Forming of bricks. The Hydraform machines use Hydraulic high pressure to press the soil and cement mixture into a high quality strong block.
Q.What does Vibraform mean?
A. Vibration forming of bricks. The aggregate cement mix is compacted into blocks and bricks by means of vibration.
Q.Can Hydraform blocks be used in wet climates?
A. Yes, Hydraform blocks with a strength of 7MPa can even be used under ground in permanently wet conditions.
Q.Can Hydraform blocks be used in Seismic areas?
A. Yes, Hydraform has developed a Hydraform Seismic Resistant design. See the Earthquake section on this site.
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