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陳灣大橋空心板預(yù)應(yīng)力張拉計(jì)算書(存儲(chǔ)版)

2024-09-16 17:12上一頁面

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【正文】 d段L=PpL/APEP =(960947)247。(1404105) =L=(+11+)2=②20m空心板參與計(jì)算的參數(shù)表4編號(hào)段落xθPN1ab878013951405=976500bc1396cd0N2ab2665013951404=781200bc1571cd0N1孔道:5 σk =1395Mpaab段 PP=P(1e(κχ+μθ))/(κχ + μθ) =976500(1 )/ =975857ab段L=PpL/APEP=(975857 878)247。(1403105) =bc段PP=P(1e(κχ+μθ))/(κχ + μθ)=192063 =585123(1 )/ =573111bc段L=PpL/APEP =(5731111571)247。③.預(yù)應(yīng)力鋼束張拉必須采取措施以防止梁體發(fā)生側(cè)彎,張拉程序?yàn)椋鹤驨1 右N2 右N1 左N2。、標(biāo)準(zhǔn)強(qiáng)度1860Mpa,錨下控制應(yīng)力為1395Mpa。一組一組完成,張拉時(shí)應(yīng)保證兩端對稱、均勻,張拉完成后,應(yīng)及時(shí)壓漿,并對端支座梁端及時(shí)進(jìn)行封錨。(1404105) =bc段PP=P(1e(κχ+μθ))/(κχ + μθ)=192063 =780685(1 )/ =773106bc段L=PpL/APEP =(7731061396)247。(1405105) =53mmL=(++53)2=N2孔道:4 σk =1395Mpaab段 PP=P(1e(κχ+μθ))/(κχ + μθ) =781200(1 )/ =779641ab段L=PpL/APEP=(7796412665)247。(1405105) =11mmcd段PP=P(1e(κχ+μθ))/(κχ + μθ)=192063 =954544(1 )/ =950521cd段L=PpL/APEP =(9505215603.5)247。(1405105) =bc段PP=P(1e(κχ+μθ))/(κχ + μθ)=192063 =975857(1 )/ =966383bc段L=PpL/APEP =(9663831396)247。(1404105) =11mmcd段PP=P(1e(κχ+μθ))/(κχ + μθ)=192063 =764147(1 )/ =761581cd段L=PpL/APEP
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