Table 2 Result of tensile-stress test and Cobb test
From: Construction technique of disposable bin from sludge cake and its environmental risk
Removable supporter | Binder (ratio) | Tensile stress | Cobb value | ||
|---|---|---|---|---|---|
(kg/cm2) | Strength | (g/m2) | Water absorption | ||
Used cloth | Plaster (1:5) | 3.37 (0.45) | Weak | 1493 | Highly |
Used cloth | Plaster (1:10) | 9.87 (2.94) | Medium | 644 | Medium |
Used cloth | Plaster (1:20) | 11.73 (0.65) | Strong | 250 | Little |
Used cloth | Latex (1:20) | 29.86 (2.74) | Firmly strong | 44 | Hardly |
Old newspaper | Plaster (1:5) | 4.76 (1.32) | Weak | 1310 | Highly |
Old newspaper | Plaster (1:10) | 5.18 (0.58) | Weak | 581 | Medium |
Old newspaper | Plaster (1:20) | 9.00 (3.57) | Medium | 149 | Little |
Old newspaper | Latex (1:20) | 29.32 (10.80) | Firmly strong | – | – |