4 . present the concept of carrying capacity under the condition of separating rail infrastructure from operation and establish the calculation model of several kinds of capacity which are carrying capacity , minimum carrying capacity , restrictive carrying capacity , golden time carrying capacity , rush hour carrying capacity and usual time carrying capacity ( 4 )提出了“網(wǎng)運(yùn)分離”條件下線(xiàn)路通過(guò)能力的概念,建立了計(jì)算“網(wǎng)運(yùn)分離”條件下線(xiàn)路通過(guò)能力、最小通過(guò)能力、限制通過(guò)能力、黃金時(shí)段通過(guò)能力、高峰時(shí)段通過(guò)能力、平緩時(shí)段通過(guò)能力的計(jì)算模型。