Table 12 Classification of responses goal and limits.
From: Lightweight Self-consolidating Concrete with Expanded Shale Aggregates: Modelling and Optimization
Name of responses | Goal | Lower limit | Upper limit | Lower limit | Upper limit | Lower limit | Upper limit |
|---|---|---|---|---|---|---|---|
ESH–LWSCC-1 | ESH–LWSCC-2 | ESH–LWSCC-3 | |||||
Slump flow (mm) | In range | 550 | 650 | 660 | 750 | 760 | 850 |
V-funnel (S) | In range | 4 | 8 | 4 | 8 | 0.0 | 8 |
J-ring flow (mm) | In range | 550 | 650 | 660 | 750 | 760 | 850 |
J-ring height (mm) | Minimize | 0.0 | 14.0 | 0.0 | 14.0 | 0.0 | 14.0 |
L-box ratio (h2/h1) | In range | 0.8 | 1.0 | 0.8 | 1.0 | 0.8 | 1.0 |
Filling capacity (%) | In range | 80 | 100 | 80 | 100 | 80 | 100 |
Sieve segregation (%) | In range | 0.0 | 15 | 0.0 | 15 | 0.0 | 20 |
7-Day comp strength (MPa) | In range | 20 | 40 | 20 | 40 | 20 | 40 |
28-Day comp strength (MPa) | In range | 28 | 53 | 28 | 53 | 28 | 53 |
Fresh unit weight (MPa) | Minimize | 1,742 | 1,892 | 1,742 | 1,892 | 1,742 | 1,892 |
28-Day air dry unit (kg/m3) | In range | 1,611 | 1,765 | 1,611 | 1,765 | 1,611 | 1,765 |
28-Day oven dry unit (kg/m3) | In range | 1,566 | 1,729 | 1,566 | 1,729 | 1,566 | 1,729 |