Decision support software approach to the assessment of stone masonry bridges

Abstract

This paper identifies the need for a formalized approach to the assessment of the integrity of stone masonry bridges and develops the concept of the use of a computer database and suitable software to support the practising bridge engineer in the decision-making process (decision support software, DSS).

The different standard techniques of assessment of masonry bridges are outlined and their limitations described. The common faults associated with masonry structures are discussed and the problems of identifying these faults are described. The part played by the individual components of a masonry arch bridge is outlined and the significance of faults on the individual components of the structure is discussed.

Database development and operation of the DSS are detailed and their value to the bridge engineer is discussed. The system is illustrated with a demonstration run.

Keywords:

• decision support
• database
• stone masonry bridge