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Table 12 Modulus of Elasticity backing limestone blocks, Cheops pyramid

From: Sustainability problems of the Giza pyramids

No.Strain at 0.5 Mpa (× 10−6)Ultimate strength fult (MPa)Strain at fult/3 (× 10−6)Modulus of Elasticity (GPa)Remarks
1910.232014.100 
21014.1234115.182 
31115.2341914.940 
  1. So the average value for Modulus of Elasticity = 12.74 GPa