Mechanical properties of textile reinforced concrete plate at low textile ratios

Uniaxial tensile experiments of textile reinforced concrete (TRC) plates and the results were detailed presented in this paper. Then the mechanical properties of textile reinforced concrete and its main influence factors on ultimate loading capacity were studied. And the concept of critical textile ratio was proposed. The mechanical properties of textile reinforced concrete plate were discussed at low textile ratios. When textile ratio was larger than the critical textile ratio, the ultimate bearing capacity exceeds the cracking load, and there was no sudden drop during the loading process. With the increase of textile ratio, the efficiency of fibers decreases in a linear way. And strength of fibers was not fully utilized. Moreover, the crack form was also investigated on different textile ratios. With the increase of textile ratio, cracking space reduces and cracking width decreases as well. Finally, according to the mixture law and ACK model, the stress-strain curve of TRC plates is simplified as a trilinear model. The calculation formula was proposed taking the textile ratio into consideration to forecast the ultimate bearing capacity of TRC plates.