Evaluation of Literature on Design and Performance of Spray Applied Pipe Linings for Renewal of Culverts and Drainage Structures

Different studies show that design and implementation of culvert renewal and rehabilitation is complex due to the depth of soil cover, traffic loads, type of embedment, culvert material, and age, etc. Spray applied pipe linings (SAPLs) are one of the renewal methods for deteriorated culverts and drainage structures used for semi-structural applications. This paper provides a review of the literature to identify capabilities of SAPLs and to select appropriate process based on SAPL physical properties and type of application. Many structural and construction issues, such as, applicability of the host culvert conditions must be investigated. The literature review concludes that SAPLs have potentials for renewing deteriorated culvert pipes and can be used as semi-structural applications.