Funded by the Key Project of Science and Technology Committee of Shanghai Municipality (No. 032112059 ).
The influence of low volume fraction of polypropylene(PP) fibers on the tensile properties of normal and high strength concretes was studied. The experimental results indicate that the addition of PP fibers in concr...
In this paper,by studying the accuracy of indentation microfracture,it is pointed out that the residual stress in the indentation site plays a critical role,which makes the theoretical analysis extremely difficult and...