What Is a Concrete Core Drill?

Core drilling is a book approved for publication by China Engineering Construction Standardization Association. The author is China Academy of Building Sciences.

Core drilling

a. When in doubt about the test results of the compressive strength of the test block. b. When concrete quality problems occur due to poor materials, construction or maintenance. c. When concrete is subject to freeze damage, fire, chemical attack or other damage. d. When testing the strength of concrete in a building structure or structure that has been used for many years. [1]

Number: CECS 03: 2007

Approval department: China Engineering Construction Standardization Association

Effective Date: January 1, 2008

Core drilling method for testing concrete strength is an effective method for testing the strength of concrete in semi-damaged structures widely used abroad

Main symbol

1 General

2 Major equipment

3 core drill

4 Core sample processing and technical requirements

5 Compressive strength test

6 Calculation of core-like concrete strength

The core drilling method is a method of using a special drilling machine to drill core samples from structural concrete to check the strength of the concrete or observe the internal quality of the concrete. Because it causes local damage to structural concrete, it is a semi-damaged on-site detection method.