道路勘測(cè)設(shè)計(jì)課程設(shè)計(jì)-文庫(kù)吧
2025-05-18 10:12 本頁(yè)面
【正文】 的限制 .......................................................................................................... 3 圓曲線及緩和曲線長(zhǎng)度的設(shè)計(jì) ...................................................................................................... 4 （ 1）設(shè)計(jì) R............................................................................................................... 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 ........................................................................................... 4 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 ..................................................................................................................................... 6 判斷各曲線應(yīng)清除的障礙物 .................................................................................................................... 6 計(jì)算max Z................................................................................................................................................... 7 致 謝 ....................................................................................................................
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