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江川~華寧k15000~k18000段的新建二級公路的設(shè)計畢業(yè)設(shè)計計算書-展示頁

2024-12-15 17:42本頁面
  

【正文】 造物的設(shè)計計算等。 第 1 頁 目錄 摘 要 .......................................................................................................................... 4 ABSTRACT ................................................................................................................... 5 前 言 .......................................................................................................................... 6 第一章 平面設(shè)計計算 ................................................................................................ 7 平曲線設(shè)計指標(biāo)與要求 ....................................................................................... 7 平面線形的三要素 ..................................................................................... 7 平面三要素的設(shè)計要求 .............................................................................. 7 平曲線幾何元素計算公式 .................................................................................... 8 單交點(diǎn)對稱基本型曲線 .............................................................................. 8 平曲線各交點(diǎn)幾何元素計算 ............................................................................. 10 JD25的曲線要素計算 ............................................................................ 10 JD26的曲線要素計算 ............................................................................ 11 JD27的曲線要素計算 ............................................................................ 12 JD28的曲線要素計算 ............................................................................ 13 JD29的曲線要素計算 ............................................................................ 15 JD30的曲線要素計算 ............................................................................ 16 手算與計算機(jī)輸出結(jié)果誤差說明 ....................................................................... 17 第二章 縱斷面設(shè)計計算 .......................................................................................... 18 縱斷面設(shè)計要求及指標(biāo): .................................................................................. 18 公路縱坡設(shè)計的一般要求 ........................................................................ 18 豎曲線設(shè)計要求 ...................................................................................... 18 縱斷面設(shè)計指標(biāo) ...................................................................................... 19 縱斷面設(shè)計 ....................................................................................................... 19 豎曲線設(shè)計計算要素匯總 ....................................................................... 19 豎曲線幾 何要素計算公式 ....................................................................... 20 豎曲線幾何要素設(shè)計計算 .................................................................................. 22 變坡點(diǎn) D1 的設(shè)計計算 ............................................................................ 22 變坡點(diǎn) D2 的 設(shè)計計算 ............................................................................ 24 第 2 頁 變坡點(diǎn) D3 的設(shè)計計算 ............................................................................ 27 變坡點(diǎn) D4 的設(shè)計計算 ............................................................................ 30 第三章 超高加寬設(shè)計計算 ...................................................................................... 33 超高加寬設(shè)計注意事項 ..................................................................................... 33 超高緩和段設(shè)計應(yīng)注意的問題 ................................................................. 33 加寬緩和段設(shè)計應(yīng)注意的問題 ................................................................. 33 與超高加寬有關(guān)的術(shù)語 ............................................................................ 33 超高加寬設(shè)計技術(shù)指標(biāo) ..................................................................................... 35 邊軸旋轉(zhuǎn)超高計算公式匯總 ..................................................................... 35 雙車道公路的超高緩和段長度計算公式 ................................................... 36 超高加寬設(shè)計計算 ............................................................................................ 37 JD25的超高與加寬計算 ......................................................................... 37 JD26的超高與加寬計算 ......................................................................... 39 JD27的超高與加寬計算 ......................................................................... 42 JD28的超高與加寬 計算 ......................................................................... 44 JD29的超高與加寬計算 ......................................................................... 46 JD30的超高與加寬計算 ......................................................................... 49 第四部分 擋土墻設(shè)計 .............................................................................................. 51 擋土墻設(shè)計注意事項 ......................................................................................... 51 擋土墻的布置 .......................................................................................... 52 基礎(chǔ)埋置深度 .......................................................................................... 53 排水設(shè)施 ................................................................................................. 53 沉降逢與伸縮縫 ...................................................................................... 54 擋土墻設(shè)計計算 ................................................................................................ 54 擋土墻類型的選擇 ................................................................................... 54 擋土墻基本設(shè)計資料和技術(shù)要求 .............................................................. 55 基礎(chǔ)形式和埋深確定 ............................................................................... 56 擋土墻尺寸擬定 ..................................................................................... 56 擋土墻計算 ....................................................................................................... 57
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