straight-line theory การใช้

• The main contents about calculation of cable curve for suspension bridges are as follows : firstly , parabola theory , a traditional calculation theory of linetype for suspension bridge , is introduced . according to behavior of suspension bridge , segmental catenary theory which is an exact calculation theory of cable curve for suspension bridges is then built . after that , the errors and adaptable range of segmental parabola theory , segmental straight - line theory and traditional parabola theory are compared one another