Research Article

Mechanical Properties of Tunnel Muck with Fly-Ash Geopolymer

Table 3

Mechanical properties of the geopolymer samples from uniaxial compression experimental results.

No.Mfa/MtmMliquid/MsolidNaOH (mol/L)Strength (MPa)Elasticity modulus (GPa)Residual strength (MPa)Peak strain (×10−3)Tenacity (J/m3)

11 : 31.80.14812.612.441.226.3183.02
21 : 32.00.161020.273.502.817.08163.22
31 : 32.20.181217.542.283.889.82229.41
41 : 21.80.161226.184.402.527.41186.26
51 : 22.00.18821.293.802.087.55161.52
61 : 22.20.141013.872.601.566.3596.73
72 : 31.80.181026.414.312.827.27190.91
82 : 32.00.141216.932.791.317.30112.47
92 : 32.20.16815.983.111.916.56118.35