What does it mean if impulse is 0?
net i. If the net If the net external impulse is zero, for example, impulse is zero, for example, if the net if the net external force is zero, force is zero, the net momentum of a system is conserved.
What type of bridge is the weakest?
beam bridge
What is purpose of bridge?
A bridge is a structure built to span a physical obstacle, such as a body of water, valley, or road, without closing the way underneath. It is constructed for the purpose of providing passage over the obstacle, usually something that is otherwise difficult or impossible to cross.
What are bridge supports called?
Pile: A pile is a vertical support structure that’s used, in part, to hold up a bridge. It can be made of wood, concrete, or steel. A pile is hammered into the soil beneath the bridge until the end of it reaches the hard sub layer of compacted soil or rock below.
What are the characteristics of ideal bridge site?
- The characteristics of an ideal site for a bridge across a river are:
- Selection Criteria For Bridge Site.
- Selection Criteria For Bridge Site Preliminary Study(techno-economic Feasibility Survey) Different studies performs during PRELIMINARY SURVEY are:
- TOPOGRAPHY.
- CATCHMENT AREA.
- HYDROLOGIC PARTICULARS.
What 4 things do you consider when building a bridge?
While constructing a pedestrian bridge, there are several important factors to take into consideration.
- Width. The width of a pedestrian bridge is dependent on the type of traveller and amount of traffic the bridge will receive.
- Site Conditions.
- Geotech Analysis.
- Safety.
- Durability.
What are the loads to be considered for the design of bridges?
Various design loads to be considered in the design of bridges are:
- Dead load.
- Live load.
- Impact load.
- Wind load.
- Longitudinal forces.
- Centrifugal forces.
- Buoyancy effect.
- Effect of water current.