Workshop: In the constructing workshop, we were required to build a bridge by two pieces of pine woods and two pieces of plywood. This bridge needed to bear as much as possible loads in the short time. Then our group decided to use triangles to be our main structure, because triangle is relatively stable structure.
First of all, we measured dimensions of every piece of wood and arranged the use for evey piece of wood. Then we decided to cut the longer pine wood to six pieces of wood evenly. Therefore the triangles we made were isosceles triangles. When we cut the wood by hacksaw, we need to keep some distances btween people and wood and let arm be stright, hence people would cut wood easily. When I tried to cut the pinewood, I could not saw continously. Then teacher told me at the first time, we should use strength to cut a gap, and then just keep sawing vertical to the wood.
Photograph by Cathy Zhang
After sawing pine wood, we found an angle which needs to cut to suit the pine wood underneath. Then we used nail to fix three angles of this triangle structure.