道路勘測(cè)設(shè)計(jì)課程設(shè)計(jì)-展示頁(yè)
2025-01-22 19:21本頁(yè)面
【正文】 .......................................................................................................... 4 （2）設(shè)計(jì) SL........................................................................................................................... 4 ①按離心加速度的變化率計(jì)算 ....................................................................................... 4 ②按駕駛員的操作及反應(yīng)時(shí)間計(jì)算 ............................................................................... 4 ③按超高漸變率計(jì)算 ....................................................................................................... 5 ④按視覺條件計(jì)算 ........................................................................................................... 5 運(yùn)用對(duì)稱基本型對(duì)平面線形要素進(jìn)行組合銜接，并計(jì)算曲線各要素、主點(diǎn)里程樁號(hào) ................ 5 ①曲線要素的計(jì)算 ........................................................................................................... 5 ②主點(diǎn)樁號(hào)計(jì)算 ............................................................................................................... 6 3 平面視距驗(yàn)證 ................................................................................................................................................. 6 確定視距 ................................................................................................................................................. 6 查表確定會(huì)車視距 ................................................................................................................................ 7 判斷各曲線應(yīng)清除的障礙物 ................................................................................................................ 7 計(jì)算 max Z............................................................................................................................................. 8 致 謝 ..............................................
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