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Table 16 Optimal designs obtained by the two proposed optimizers, where the height is restricted to a maximum of 35 cm [18]

From: A review of optimization techniques and algorithms used for FRP applications in civil engineering

CASE

b (m)

h (m)

n x φb

COST

Concrete

Shuttering

Reinforcement

TOTAL

FIRST OPTIMIZER

A

0.5067

0.3482

9 x #6

17.6414

30.0756

29.5673

77.2843

B

0.8801

0.3447

21 x #3

30.3362

4.6300

10.7950

45.7612

C

0.5067

0.3482

9 x #6

17.6414

42.1059

16.2620

76.0093

SECOND OPTIMIZER

A

0.5067

0.3500

7 x #7

17.7354

30.1682

30.9354

78.8390

B

0.5067

0.3500

9 x #6

17.7341

3.5597

29.5673

50.8611

C

0.4776

0.3500

6 x #8

16.7174

41.2174

18.8885

76.8233