Detail CONCRETE TEST HAMMER NJ-80
CONCRETE TEST HAMMER NJ-80
Concrete Test Hammer / Hammer Test NJ-80 ( Korea)
The Concrete Test Hammer / Hammer Test, suitable for rapid quality control of concrete work is built on a scale pointer and graphics. Concrete Test Hammer Tool To measure the compressive strength of concrete or hard to know quickly and practically. Commonly used for Quality Control of work. * Used for non-destructive measurement of concrete / mortar compressive strength of concrete characteristics * Quality control of the uniform ( in-situ concrete and prefabricated structures) * Detection of weak spots in the concrete.
Hammer Name: NJ - 80
- Survey Type: N-type
- Ø Survey Methods: Violence Repulsion
- Survey Range: 100-600 kg/ cm2
- Weight: 1.4 Kg
- Includes: Hammer, grinding wheels, tote bags, manual records
Hammer' s Test Objectives
This test uses a hammer impact testing of concrete surfaces, and then surveys the repulsion force
Test Hammer' s Principal
NJ-80 hammer tests of high quality, the method is very simple and easy to survey the development of violence.
Survey Methods Hammer
- Palo has adapted to use ground before launch. mean adjusting typically R = 80 ± 1, but the tolerance of R = 80 ± 2 was approved, but the tolerance is
- Discover the use of metal detectors iron rods and then void where an iron rod when you use a hammer.
- Choose a plane
- Avoid prominence and depression, fractures and gaps, pebble gravel, stone.
- Remove the powder with a grinding stone.
- Remove the stand and depression using a grinding stone.
- Choose a place that is more than 10cm thick concrete. ii. measurement
- Minimum 3 - 6cm away from the bars, the pillars
- Size is 3cm by 3cm Hit the strike length of 5 times, in the high 4 times hit.
- When the hammer hit, keeping the right ang
- If you find a strange sound or damaged holes, ignoring the number, move to the next good point and try again
Tampilkan Lebih Banyak