woodenlight weight,
2 easy handling,Easy cutting,quick dismantle
3 save time and money
4.size and length customized
Formwork system hollow column formworkFormwork system / Hollow column formwork
1. Made of plywood, light weight, easy handling
2. Grooves prevent the leakage of concrete
3. Easy cutting
4. Efficient installation and dismantling
5.Nice concrete finish without re-work
Application
For concrete forming of circular columns
Installation
1.Treat inner ply film with concrete release agent firstly.
2.Fix the steel belts horizontally according to the lines.
3.If the height is more than 3000mm , please install it as the indication below.
4.Fromfeedback on site, only 2 skilled workers can install 15 circular columns in 8 hours.
Inner Diameter | Interval of steel belts |
300mm-950mm | 300mm |
1000mm-1450mm | 250mm |
1500mm-1600mm | 200mm |
Dismantling
Simply untie the steel belts and the ply will separate easily.
Maintenance & Storage
Lightly treat the ply film with oil before next usage.
place the formwork vertical, away from direct sunlight and water.
Product Options
Circular column formwork | Film faced plywood | Core | poplar |
Glue | WBP melamine | ||
Film | Brown film | ||
Hot press | twice | ||
sanding | Both sides | ||
Edges | With grooves | ||
Steel belts | Steel no. | Q235 | |
width | 32mm | ||
thickness | 1.2mm | ||
screws | item | 8.8 grade M12 | |
size | 12x80mm |
Specification
Inner Diameter | Thickness | Height | Parts |
300-500mm At 50mm intervals | 15mm (3/5") | 2000mm / 2400mm | 2 |
600-1250mm At 50mm intervals | 18mm (3/4") | 2000mm / 2400mm | 2 |
1300-1500mm At 100mm intervals | 21mm (7/8") | 2000mm / 2400mm | 2 |
1600-2200mm At 100mm intervals | 21mm (7/8") | 2000mm / 2400mm | 4-6 |
Comparison
Circular column formwork | Steel circular column formwork | |
picture |  |  |
Weight | Light Less likely to need a crane | Heavy Need a crane and more workers |
Cutting | Easy cutting | Difficult cutting |
Installation & Dismantling | Two workers can install 15 columns in 8 hours. The ply panel will separate easily | More workers and cranes |
Concrete finish | Nice concrete finish without re-work | Obvious bubbles |
Packing
one bundle by 6 pieces, inside craft paper and waterproof shrinking film, outside bag.
Technical data
Testing items | Unit | Standard used | Tested value | |
Bonding quality | N/mm² | EN314 | 0.81 | |
Bending strength | Longitudinal grain | N/mm² | EN310 | 50.0 |
Cross grain | N/mm² | 40.2 | ||
Elasticity in bending | Longitudinal grain | N/mm² | EN310 | 5137 |
Cross grain | N/mm² | 4132 | ||
Bearing concrete pressure | KN | EN310 | 70 | |
