Let go of the hammer allowing it to fall freely and hit the anvil.
Drop hammer test equipment.
The drop hammer loading system consists of a vertical track the freely falling material and the measuring system for height.
Powers the drop hammer attachment with chain drive.
Drop hammer impacting tests.
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To run the test raise the hammer to the top of the shaft being careful not to hit it against the handle.
Unique in its industry the cushioned safety valve allows the operator to stop the hammer in mid stroke and slowly lower it to a resting position preventing the hammer from falling if the hydraulic flow is shut off.
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The bre drop hammer test can is also used as a precautionary quality check to ensure the set and hardened screed will be strong enough for its intended use.
The test is done when the screed is at least 14 days old.
If you need to perform hammer impact tests also known as bump testing tap testing or hammer resonance testing then take a look at the prosig hammer impact test system.
The impact load on the specimens is from the impact of a piston rod by free falling.
Delivering over 3 600 foot pounds of impact energy.
However as the screed continues to gain strength up to 28 days it is best to carry out the test after 28 days of installation.
In accordance with bs8204 the bre drop hammer test is carried out by subjecting the screed to repeated impact blows by dropping an annular weight vertically down a guide.
Shock free patented skid system keeps the cyclone grounded and dissipates the shock as it pulverizes the concrete.
Hammond concrete specialise in the hire and sale of concrete testing equipment.
The test can be effectively used for assessing the requirement for remedial measures in cases where the mix proportions mixing or compaction are suspected to be inadequate.
Whatever your concrete test requirement we would be pleased to assist.
Prosig s solution is not only the most simple to use and understand but its 100 reliable giving perfect results every time.
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After each drop record the position of the shaft in relation to the reference usually to the nearest millimeter or 0 1 inch.
