THE EFFECT OF HOLLOW STRUCTURE PARAMETER ON THE 3D-PRINTED WALL BEARING CAPACITY. EXPERIMENTAL MODEL

We present the results of experimental studies and modelling evaluation bearing capacity hollow 3D-printed walls with printed shell performing functions. The was experimentally assessed depending on ratio void areas casting layers in wall structure. It established that case central loading, a can serve as similar to traditional types masonry construction without filling voids structural concrete reinforcement. value strength reduction walls, which amounted ~0.1 – 0.25 MPa per 1 % increased area voids. limit structure parameter determined, must not exceed K = 0.75 order ensure self-bearing non-bearing walls. obtained an model relationship between capacity, allowed predicting under loading. suggested take into account when calculating elements unreinforced compression according first group states.