Bridge Elements for Pedestrians
Bridge elements are an easy way for pedestrian traffic guidance over open canals. These are real products and are widely in use in Southern-Finland. We calculate the product weights using EPC method, which is easy way understand the calculation. It is good to start with easy products and then take more difficult products.
Type 3141 3142 3147 3148
Canal width 1.2 - 1.5 m 2.0 - 2.5 m 3.4 - 3.8 m 4.2 - 4.6 m
Width for walkers 1220 mm 1220 mm 1220 mm 1220 mm
Overall length 2440 mm 3660 mm 4880 mm 6100 mm
Overall height 1043 mm 1063 mm 1063 mm 1063 mm
Weight 170 kg 275 kg 380 kg 490 kg
3142
1.5 x 170 kg x 1.1(2) = 286 kg 1,5 x 2440 mm = 3660 mm 4.00 %
3147
2 x 170 x 1.1(2) kg = 381 kg 2.0 x 2440 mm = 4880 mm 0.26 %
3148
2.5 x 170 x 1.1(2) kg = 476 kg 2.5 x 2440 mm = 6100 mm 2.85 %
Average 2.37 %
The table has the weight of the shortest bridge element. Sometimes we are interested in to know weights of other products. Values are visible, which are defined to the first product. Pascal's Triangle row factor 1,1(2) does not sureprise us.
1
1 1
1 2 1
1 ....etc
28.3.2019*19:00
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