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Table 1 Design parameters for sewage concrete, conventional repair, and bacteria repair materials.

From: Probabilistic Repair Cost Simulation for RC Structures Repaired With Bacteria Coating Material Under Sulfate Attack

Variable Sewage concrete Conventional repair mortar Bacteria repair material
\(c_{0}\) (ppm) 120/200 120/200 120/200
\(D_{i}\) (m2/s) 2.12 × 10−12 2.09 × 10−12 0.17 × 10–12
\(E\) (MPa) 25700 21500 21500
\(\nu\) 0.17 0.27 0.27
\(\alpha\) 1.5 1.5 1.5
\(\gamma_{f}\) 10 10 10
Binder weight (kg/m3) 400 300 300
\(C_{E}\) 207 196 462
Cover depth (mm) 30 10 5