Table 4 Description of cracking sequences.
HCC1 (control) | HCC2 (V f = 2.0%) | HCC3 (s = 200 mm) | HCC4 (V f = 2.0%, s = 200 mm) | HCC5 (no wire-mesh) | |||||
|---|---|---|---|---|---|---|---|---|---|
Crack no. | Load range (kN) | Crack no. | Load range (kN) | Crack no. | Load range (kN) | Crack no. | Load range (kN) | Crack no. | Load range (kN) |
1–8 | 2100–2400 | 1–6 | 2400–2700 | 1–2 | 2000–2200 | 1–2 | 2300–2600 | 1–20 | 2100–2400 |
9–19 | 2400–2700 | 7–31 | 2700–2900 | 3–5 | 2200–2400 | 3–16 | 2600–2800 | 21–37 | 2400–2600 |
20–33 | 2700–3000 | 32–39 | 2900–3100 | 6–10 | 2400–2600 | 17–26 | 2800–3000 | 38–55 | 2600–2800 |
34–37 | 3000–3100 | 40–60 | 3100–3300 | 11–43 | 2600–2800 | 27–53 | 3000–3200 | 56–94 | 2800–3000 |
NM | 3100– | 61–79 | 3300–3500 | 44–71 | 2800–3000 | 54–95 | 3200–3500 | 95–129 | 3000–3200 |
80–126 | 3500–3700 | 72–95 | 3000–3200 | 96–106 | 3500–3600 | 130–173 | 3200–3300 | ||
NM | 3700– | 96–140 | 3200–3400 | NM | 3600– | NM | 3300– | ||
NM | 3400– | ||||||||