Strengthening of monolithic and hollow-core slabs

   Monolithic flooring is a non-separable horizontal system in the form of monolithic slabs of different shapes and designs. The main functions of monolithic floors are ensuring the stability of the structure to the vertical loads from everything in the room; forming structure stiffness, due to the horizontal linking of the supporting walls; zoning or creating space height constraints t by forming a visible, physical, vertical boundary.

   Hollow-core slabs are regular rectangular reinforced concrete panels with longitudinal channels, parallel to which the reinforcement (steel ropes) is laid. Openings are of different configurations: cylindrical, pear-shaped, rectangular. Their construction is much lighter than solid slabs, there is no reduction in strength or reliability index. The load-bearing properties of the slab are not affected by the number of voids or their location.

   On the contrary, the presence of air voids in the concrete product increases its heat- and sound-proof characteristics.

   Application scope

   These slabs are used to strengthen the load-bearing capacity according to a normal cross-section taking into account the impact of static or seismic loads. Areas of application are buildings of various purposes, namely public, cultural, industrial and residential.

Усиление железобетонных плит перекрытия углеволокном для возведения междуэтажных перекрытий и несущих конструкций общественных и жилых зданий

   Methods for strengthening overlays

   1. Unidirectional composite FibArm Tape are applied horizontally to the lower plane of the floor slab along the entire length of the longitudinal direction. In this case, the spacing width is equal to the height of the slab multiplied by 2. The number of layers is calculated based on the data of the load-bearing capacity.

   2. In order to provide additional adhesion and structural rigidity, the tape is applied in the transverse direction from the FibArm Tape material in the slab support area.