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Building Construction Materials and Techniques by P.Purushothama Raj

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9

PRECAST CONCRETE UNITS

9.1 INTRODUCTION

The term cast-in-situ concrete is applied to concrete members which are cast or poured in forms that are set up at the final position of the structure. In contrast, the term precast concrete is applied to individual concrete members of various shapes, which are designed to fit in a part of a whole structure, which are cast in separate forms before they are placed in the proper position of the structure. Precast concrete units form a part of a new technique called pre-fabricated construction.

9.2 PREFABRICATION IN CONSTRUCTION

Prefabrication is most suitable for large-scale housing programmes. Prefabrication technique is used as a cost-effective measure. As the components of any structure can be manufactured ...

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