Comparison of different connection systems (Column-foundation) - Methods of fixing a precast column to a base - Base size 2.50 x 2.50 x 0.50 m
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Comparison of different connection systems (Column-foundation) - Methods of fixing a precast column to a base - Base size 2.50 x 2.50 x 0.50 m Precast PAD foundation Monachino In situ Pocket Foundation In situ foundation with starterbars and dowel tubes Bolted or Baseplate connection (such as Peikko/Halfen) In situ foundation and column (conventional) Bent Rebars jut out from the base of the column Adjusting device for the alignment and fixing of the column € 1.550 Column Shoes for Anchor bolt for the alignment and fixing of the column Column Shoe for bolted In situ pocket foundation Anchor bolt for the alignment and fixing of the column Precast PAD Foundation Straight Rebars jut out from the base of the column Corrugate Dowel Tubes where the rebars are inserted in Anchor bolt for the assembly and fixing of the column Anchor bolts for bolted connections 1. The most economical by far 2. Saving on construction costs 3. Fast assembly 4. Perfect connection between column and foundation 5. Pinpoint precision 6. Reduction of the foundation rebars 7. Lowering of the foundation thickness 8. Greater job site safety for workers 1. Expensive 2. It requires the construction of the pocket foundation 3. Cast-in-place in two-step 4. Any different column needs different pocket 5. The construction time is extremely long 6. It requires: skilled manpower, tools and formwork 7. The adjustment of the column is very slow 1. Expensive 2. Increase of the foundation thickness in order to ensure a proper concrete cover of the column rebars 3. It requires the production, the assembly and fixing of the dowel tubes and respective jig 4. It requires very expensive and expansive mortar 5. Construction system very slow 6. It requires: skilled manpower, tools and formwork 1. Expensive 2. It requires very expensive connection devices: column shoes and anchor bolts 3. Very difficult adjustment and fixing of the jig 4. It requires very expensive and expansive mortar 5. Construction system very slow 6. It requires: skilled manpower, tools and formwork 7. Anchor bolts need extra rebars 1. The most expensive 2. Large amount of skilled manpower, tools and formwork 3. The construction time is extremely long 4. Overlapping of the reinforcements in critic

Comparison of different connection systems (Column-foundation) - Methods of fixing a precast column to a base - Base size 2.50 x 2.50 x 0.50 m Precast PAD foundation Monachino Precast column Adjusting device for the alignment and fixing of the column Anchor bolt for the alignment and fixing of the column In situ Pocket Foundation Bent Rebars jut out from the base of the column In situ foundation with starterbars and dowel tubes In situ pocket foundation Precast column Anchor bolt for the assembly and fixing of the column Corrugate Dowel Tubes where the rebars are inserted in Column Shoes for...