Research Article

Experimental Investigation of an Existing RCP Rehabilitated with a Grouted Corrugated Steel Pipe

Table 1

Stiffness and rigidity factors of the tested pipe.

Type of pipe ringOutside diameter, OD (mm)Inner diameter, ID (mm)Thickness, t (mm)Modulus (MPa)Pipe stiffness factor, φ (MPa)

RCP14401200120360004.184
Grout1200100050 for CSP325008.54
CSP111010002.06 × 1051.90
RGC1440100022014.624

The distance from the outer edge of the CSP (crest of the CSP) to the inner edge of the RCP.