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| set up there blocks for bridge test |
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| step full body (75kg) weight on to bridge - this example failed - too high clay content in this block |
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| three point bending test - pass - good particle size- high water content in drying mixture of clay and lime |
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| drop test - before - hold block at one meter off ground |
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| drop test after - pass - slight cracking and crumbling of corners - but block remains in one |
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