NON-DESTRUCTIVE TESTING CONCRETE

Rebound hammer test  The rebound hammer or Schmidt hammer (Figure 43) gives a comparative measure of concrete quality as indicated by s...

TEST CORES QUALITY OF HARDENED CONCRETE

Core tests are useful for assessing the quality of hardened concrete in site. Not only can the comprehensive strength of the concrete b...

TESTING FRESH CONCRETE

The measurement of the consistence of fresh concrete is of importance in assessing the practicability of placing and compacting it and...

TESTING MATERIALS CEMENT AGGREGATES CLEANNESS

Cement  The testing of cement is done in accordance with the standard procedures in BS EN 196, which is published in different parts ...

TESTING CONCRETE & CONCRETING MATERIALS

Most tests on concrete and concreting materials fall into one of the following categories: 1. Tests, carried out mainly in a laborat...

FLOOR FINISHES GOOD-QUALITY CONCRETE

A good-quality concrete, well laid and finished makes a satisfactory floor for many purposes. The concrete surface can be smooth, easil...

CONCRETE FOR HIGH QUALITY FINISHES

In order to be able to control the quality of the concrete to the standard required for visual concrete, it is essential to have the co...

CONCRETE SURFACE FINISHES

Visual concrete, which is designed to be seen in a completed building or structure, requires special consideration at an early stage, s...