【正文】 ............................................................................................ 7 構(gòu)造型式 及尺寸選定 ............................................................................................................... 7 構(gòu)造形式及尺寸 ................................................ 7 截面抗彎慣性矩計(jì)算 ............................................ 9 第四章 作用效應(yīng)計(jì)算 ........................................................................................................................................................... 10 永久作用效應(yīng)計(jì)算 ................................................................................................................. 10 空心板自重： mkNAg h / 8 1 0 41 ?????? ?? （邊板重）。 ...................................................... 10 橋面鋪 裝、欄桿及鉸接縫重力計(jì)算 ............................... 10 恒載內(nèi)力計(jì)算 ................................................. 11 基本可變作用效應(yīng)計(jì)算 ......................................................................................................... 12 基本可變作用橫向分布系數(shù) ..................................... 12 杠桿法計(jì)算梁端橫向分布系數(shù) ................................... 15 活載內(nèi)力計(jì)算 ................................................. 16 按承載能力極限狀態(tài)組合（汽1 自重 SSSmiud ?? ??） ............ 20 正常使用狀態(tài)長期效應(yīng)組合（ ? ?不計(jì)沖擊力汽1 自重 SSSmisd ?? ??） ...... 20 正常使用狀態(tài)短期效應(yīng)組合 （ ? ?不計(jì)沖擊力汽1 自重 SSSmisd ?? ??） ..... 20 彈性階段截面應(yīng)力計(jì)算標(biāo)準(zhǔn)值效應(yīng)組合（汽1 自重 SSSmisd ?? ??） ...... 21 第五章 預(yù)應(yīng)力鋼筋設(shè)計(jì) ..................................................................................................................................................... 21 預(yù)應(yīng)力鋼筋數(shù)量的估算 ......................................................................................................... 21 預(yù)應(yīng)力鋼筋的布置 ................................................................................................................. 23 普通鋼筋數(shù)量的估算及布置 .................................................................................................. 23 換算截面幾何特性計(jì)算 ......................................................................................................... 26 換算截面面積 A0 ............................................... 26 換算截面重心位置 ............................................. 27 換算截面慣性矩 0I ............................................. 27 華東交通大學(xué)理工學(xué)院畢業(yè)設(shè)計(jì)（論文） 316m 預(yù)應(yīng)力混凝土空心板 _畢業(yè)設(shè)計(jì)說明書 2 換算截面彈性抵抗矩 ........................................... 27 承載能力極限狀態(tài)計(jì)算 ......................................................................................................... 28 跨中截面正截面抗彎承載力計(jì)算 ................................. 28 斜截面抗剪承載力計(jì)算 ......................................................................................................... 29 截面抗剪強(qiáng)度上、下限復(fù)核 ..................................... 29 斜截面抗剪承載力計(jì)算 ......................................... 31 第六章 預(yù)應(yīng)力損失計(jì)算 ....................................................................................................................................................... 33 錨具變形、回縮引起的應(yīng)力損失 2l? ..................................................................................... 33 加熱養(yǎng)護(hù)引起的溫度損失 3l? ................................................................................................ 33 混凝土彈性壓縮引起的預(yù)應(yīng)力損失 4l? ................................................................................. 33 鋼筋松弛引起的應(yīng)力損失 5l? ................................................................................................ 34 混凝土收縮、徐變引起的預(yù)應(yīng)力損失 6l? ............................................................................. 35 預(yù)應(yīng)力損失組合 .................................................................................................................... 38 第七章 驗(yàn)算 .......................................................................................................................................................................... 38 正常使用極限狀態(tài)計(jì)算 ......................................................................................................... 38 正截面抗裂性驗(yàn)算 ............................................. 38 斜截面抗裂性驗(yàn)算 ............................................. 40 變形計(jì)算 ............................................................................................................................... 43 正常使用階段的撓度計(jì)算 ....................................... 43 預(yù)加力引起的反拱度計(jì)算及預(yù)拱度的設(shè)置 ......................... 44 持久狀態(tài)應(yīng)力驗(yàn)算 ................................................................................................................. 46 短暫狀態(tài)應(yīng)力驗(yàn)算 ................................................................................................................. 48 第八章 最小配筋率復(fù)核 ....................................................................................................................................................... 54 第九章 鉸縫的抗剪強(qiáng)度驗(yàn)算 ............................................................................................................................................. 55 鉸縫剪力影響線 .................................................................................................................... 55 作用在鉸縫上的荷載計(jì)算 ...................................................................................................... 57 鉸縫 剪力計(jì)算 ................................................. 57 鉸縫抗剪強(qiáng)度計(jì)算 ............................................. 58 第十章、支座計(jì)算 ................................................................................................................................................................ 58 選定支座的平面尺寸 ........................................................................................................... 59 確定支座的厚度 .................................................................................................................. 59 驗(yàn)算支座的偏轉(zhuǎn) ................................................................................................................. 60 驗(yàn)算支座的穩(wěn)定性 .........................................................