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 ring | Outside diameter, OD (mm) | Inner diameter, ID (mm) | Thickness, t (mm) | Modulus (MPa) | Pipe stiffness factor, φ (MPa) |
| RCP | 1440 | 1200 | 120 | 36000 | 4.184 | Grout | 1200 | 1000 | 50 for CSP | 32500 | 8.54 | CSP | 1110 | 1000 | — | 2.06 × 105 | 1.90 | RGC | 1440 | 1000 | 220 | — | 14.624 |
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The distance from the outer edge of the CSP (crest of the CSP) to the inner edge of the RCP. |