These concrete vibrators are also called poker or immersion vibrators. These are widely used in the construction industry. A needle vibrator consists of a cylindrical casing made of steel and vibrates with an outer tube driven to an operating machi…
Honeycombs in concrete casting may occur due to Improper batching of the required materials. Coarse aggregate might have been added more than necessary. Defective formwork. When formwork is not reasonably water tight, the finer material is pumped o…
SCOPE: To determine compression strength of concrete cube as per IScode. IS CODE: IS: 516 - 1959 APPARATUS: Compression testing machine PROCEDURE: a) Check the specimens whether it is dry or wet, if it is dry means place the sample in the cu…
