Overview of approvals and certifications
also applicable for internal prestressing without bond. ETA-11/0123 Type E BBV STRAND POST-TENSIONING SYSTEM FOR WIND TOWER Z-13.1-146, BBV Type i, L7 i bis L15 i Z-13.3-133 BBV Type EW Bar post-tensioning system approvals ETA-07/0046 with national general type approval, bar tensioning method 835/1030 [...] steel tendons Proof of suitability and conformity according to the SIA 262-No. 003 standard for anchoring structures with prestressed ground or rock anchors made from prestressing steel strands for protection levels PL1 and PL2 Composite piles (Micropiles) Composite piles (Micropiles) SOIL NAILS Z-20 [...] Switzerland Z-12.4-138, tie rod steel St835 / 1030, class 1 according to E DIN EN 1992-2 / NA Tab.6.4 DE ETA-16/0286 with national general type approval, bar tensioning Geotechnical approvals ANCHOR HEADS FOR GROUTING ANCHORS Z-13.8-142 + ETA-16/0262 BBV anchor heads for ground anchors GROUTING ANCHORS Z-34
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