Research Article

Improvement of Water Stability of Sand Admixed with Water-Soluble Organic Polymer

Table 3

The results of the test with different PU content.

Specimen numberDisintegration area (cm2)/standard deviation (cm2)Shear strength under 100 kPa (kPa)/standard deviation (kPa)Shear strength under 200 kPa (kPa)/standard deviation (kPa)Shear strength under 300 kPa (kPa)/standard deviation (kPa)Shear strength under 400 kPa (kPa)/standard deviation (kPa)Water-stability coefficient

S1102.91/3.4600000
S264.99/1.23000025.75
S349.61/0.57000036.19
S429.28/049.76/1.7997.67/2.16145.59/3.40193.50/2.9180.24
S529.28/051.66/2.71100.98/2.05150.29/3.94199.61/2.3481.26
S629.28/053.66/2.16104.24/3.56154.82/1.99205.40/3.7082.25
S729.28/059.22/0.14112.26/3.24165.29/4.72218.33/5.6984.65
S829.28/081.38/1.98126.51/2.46171.64/3.43216.77/2.2188.23
S929.28/089.28/2.74135.85/3.38182.42/3.93228.98/4.3490.94
S1029.28/0121.46/1.87162.15/1.15202.84/0.92243.53/5.3698.04
S1129.28/0124.50/1.87168.46/1.67212.42/2.05256.38/3.22100.00