The writer thinks that toppling down is the main mechanics reason why the chimney is damaged through the caculation of shearing force and pulling force(compressive stress)when the chimney topples down.So the chimney i...The writer thinks that toppling down is the main mechanics reason why the chimney is damaged through the caculation of shearing force and pulling force(compressive stress)when the chimney topples down.So the chimney is fractured from the outer side under the outer strong pulling force.展开更多
文摘The writer thinks that toppling down is the main mechanics reason why the chimney is damaged through the caculation of shearing force and pulling force(compressive stress)when the chimney topples down.So the chimney is fractured from the outer side under the outer strong pulling force.