Guidelines For Concrete Roundabouts the Dutch Practice

Paper by STET VAN LEEST JURRIAANS from ISCR 9th 2004 Instanbul Turkey

Continuously reinforced concrete pavement (CRCP) structures are becoming more popular for roundabouts due to the durable and sustainable character of this pavement type. This led to a need for practical guidelines, recommendations and standardisation with respect to design, details and the preparation of tender documents. The paper summarises a recent publication of CROW and focuses on the design of concrete roundabouts. Various aspects with respect to geometrical and structural pavement design are addressed. Pavement solutions such as jointed and continuously reinforced pavements are given. The design is simplified by means of a standardised pavement design. Examples of drawings for pavement lay-out with details for cross sections, reinforcement patterns, pavement ends and joints etc. have been given. Last but not least, attention has been paid to the execution and construction of these pavements. The paper addresses the current engineering practice of concrete roundabouts in the Netherlands and several examples have been given.

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