Jet grout columns and bored piles can be controlled through by the pile integrity test. So manufacture location and problems can be determined without opening the soil. Integrity test is a fast and economical method for determining the problems. Defective pile might be mended or renovated as a result of integrity test. Integrity test is faster and less expensive than time consuming and expensive methods like core drilling, excavation researches, loading test etc. This test is based on piles or jet grout column’s top part is knocked with a small hand hammer, registration of reflection signal by accelerometer is placed on the pile or the jet grout column. Pile’s result can be viewed immediately and can be stored in the memory for analysis.

A variety of methods are used to understand if manufactured piles and jet grouts are defective. The integrity test’ purpose verifies if the built groundwork is solid structurally and there does not any important defective. Every pile is hit with a hand hammer and action at the top of the pile is recorded by accelerometer in the integrity test (Also blast effect can be recorded to use instrumented hammer). Sound integrity test (SIT) is a simple method for revealing the existing damage or big discontinuity as a quality assurance in any construction site. The sound integrity test, determining the piles that need scrutiny, is especially helpful for discovering the existing integrity problems. SIT presents fast and cheap results compared to time consuming and costly methods like core drilling, excavation research, loading test. Pile’ result can be viewed immediately and printed or stored in a hard disk for detailed analysis.