Durability Evaluation of Concrete Bridges Based on the Theory of Matter Element Extension—Entropy Weight Method—Unascertained Measure

Figure 2

Measurement function of each durability evaluation index. (a) Concrete strength index measurement function. (b) Rabar corrosion index measurement function. (c) Chloride ion content index measurement function. (d) Concrete carbonation index measurement function. (e) Crack index measurement function. (f) Resistivity index measurement function. (g) Protective layer index measurement function for steel reinforcement.

(a)

(b)

(c)

(d)

(e)

(f)

(g)