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CONSTRUCTION AND EXPANSION JOINTS

A construction joint, or day-work joint, is one where fresh concrete has to be placed on or against concrete that has already hardened. ...

The successful placing and compaction of concrete can be achieved only if there has been careful forethought and planning. Because they ar...

A number of methods for transporting concrete on site are available, ranging from hand wheelbarrows to concrete pumps. The choice of ...

Although most concrete nowadays is delivered ready-mixed, there may be occasions when it is more economic and practicable for the concret...

About three-quarters of all concrete placed on site in the UK is supplied ready-mixed. To ensure ready-mixed concrete is used successfull...

Cement The effects of different types of cement have already been described in the section on Cements. Within one type the propertie...

Whilst strength testing is not intended to be used to judge conformity for standard or standardized prescribed concrete, the characteristi...

Th e reactio n o f cemen t wit h water - hydratio n - i s a chemica l reactio n tha t produce s heat . I f thi s developme...

The proportions of the different sizes of particles making up the aggregate are found by sieving and are known as the 'grading'...