- #1
melodica
- 2
- 0
Hello,
My friend needs to transfer construction objects across a pond, came up with this idea of tying a rope between the pond and a big tree then transfer objects through a pulley, I'd like to know how to calculate the tension and will the thin concrete wall withstand the load? Here a diagram.
http://i304.photobucket.com/albums/nn192/melodic27/pulley wall_zpshceuf5ah.jpg
The crossing length is 20 meters, the starting point of rope is tied to a big tree, 0.5 meters higher than the point at destination.
The person and rope in purple is to make sure the pulley does not move to faster than, to give a constant velocity of 1 meters per second.
I also have no data of how much shear stress the wall can handle.
If need clarification you are welcomed to ask.
Thank you very much.
My friend needs to transfer construction objects across a pond, came up with this idea of tying a rope between the pond and a big tree then transfer objects through a pulley, I'd like to know how to calculate the tension and will the thin concrete wall withstand the load? Here a diagram.
http://i304.photobucket.com/albums/nn192/melodic27/pulley wall_zpshceuf5ah.jpg
The crossing length is 20 meters, the starting point of rope is tied to a big tree, 0.5 meters higher than the point at destination.
The person and rope in purple is to make sure the pulley does not move to faster than, to give a constant velocity of 1 meters per second.
I also have no data of how much shear stress the wall can handle.
If need clarification you are welcomed to ask.
Thank you very much.