Supervisory approval no. Z 16.3-195. With marking. WILFRIED BECKER GMBH Elastomer Service Zentrale Function and Use The pyramid bearing (or pyramid band) is a non-reinforced elastomer system. Due to its profiled section, it has “spring elastic” properties and many uses. It is suitable for both component support (individual bearing or linear bearing) and for vibration insulation and structure-borne sound insulation. Material The pyramid bearing consists of vulcanisate based on EPDM (ethylene propylen ter-rubber). The production is subject to official quality control. Defining the permissible static stresses Design table Dimensions perm. stresses 1. Definition of the bearing class to DIN 4141, part 3 (according to the conditions of use) 2. Determination of the bearing size (edge-to-edge distances to DIN 4141 part 15, para 5.3 shall be complied with) 3. Proving the bearing The permissible stresses can be taken from the design table. Bearing thickness: unloaded: t = 10 mm; loaded: tb = 7 mm Maximum displacement distance: Aw = ±5 mm Intermediate values may be interpreted linearly.

Assembly In precast reinforced concrete construction, the ESZ pyramid bearing (or pyramid band) is placed in the centre of the supported position, without special assembly measures. As regards edge-to-edge distances, the rules of DIN 4141 part 15, para. 5.3 shall be observed. Fire resistance grading Due to its thickness and material, based on a test by the Institut fur Baustoffkunde [Institute of Construction Material Science] at Braunschweig University, the pyramid bearing can be assigned to fire resistance grading F90 B without further measures. Conditions: a x b > 150 x 150 mm2 Report no....