Concrete is brittle material, if we want to fabricate thin wall (few centimetres) construction elements (thin wall shells) made out of concrete we are forced to use a small diameter densely placed reinforcement. One solution can be -short AR glass fibers homogeneously distributed in the concrete, another –few layers of knitted AR glass fibre fabrics (fulfilled by concrete) and placed at even distance one to another throw the thickness of the structure. Let start with short glass fibre concrete, If we want to predict fibre concrete material cracking and post-cracking behaviour, and at the same time are looking for material with elevated tensile strength properties and quasi-plastic (with few % deformation without loosing load bearing capability) material post-cracking behaviour, the study of single fibre and fibre bundle pull-out mechanisms out of cement matrix is important.