注冊(cè)結(jié)構(gòu)工程師-程序說(shuō)明

L-1基礎(chǔ)塊溫度場(chǎng)及溫度應(yīng)力計(jì)算程 校 東海（水電部勘測(cè)設(shè)計(jì)院一、程序編制目的及應(yīng)用情系數(shù)情況下，一個(gè)熟練的設(shè)計(jì)完成這一方案的計(jì)算至少需要20天。如果要從多方案10在計(jì)算基礎(chǔ)塊溫度應(yīng)力時(shí)要用到不同彈模比的應(yīng)力影響線和約束系數(shù)《規(guī)二、計(jì)算公Tn,ti

)mmtt0ti—計(jì)算點(diǎn)（n）tTn-1，Tn+1，t—與計(jì)算點(diǎn)（第n點(diǎn)）上下相鄰的兩點(diǎn)（第n-1和第n+1）在t時(shí)刻的ΔTr—tΔtTremtem(tt)T（℃；1·℃TbTa+T,Ta=B+C×SIN(π/65(TT+F)表達(dá)式中各變量的意義請(qǐng)查閱變量說(shuō)明表，ΔT=3℃；當(dāng)采用流水養(yǎng)護(hù)時(shí)，其表面溫度Tb=1/2(氣溫+流水溫度)。1/2；水化熱能新+ΔTrH<=LTj+Tr-Td1K

REh(T1

jTdα—混凝土的線脹系數(shù)（1/℃；由于各澆塊的入倉(cāng)溫度在多數(shù)情況下并不相等，因此程序各澆塊的最小入倉(cāng)溫度EgKpKq

1 1

T(

Δy—座標(biāo)yΔX；Ay(ζ)—在y=ζ處，作用一單位荷載P=1，對(duì)計(jì)算點(diǎn)y所產(chǎn)生的正應(yīng)力影響系數(shù)。該T（ζ）--在y=ζKq—0.75~0.85注：1，公式中的（yζσ2KqK K

f2ε—150～2000.75×10-4～0.85×10-4；三、程序功能、適用范圍和使用條（澆塊總數(shù)N；基巖厚度H1（米節(jié)點(diǎn)間距ΔX（米時(shí)間增量DT（天凝土導(dǎo)溫系數(shù)a(米2/天)；每公斤水泥最終水化熱Q（千卡/公斤平均氣溫B（℃）及年氣溫變幅C（℃；第一塊混凝土起澆日期距年氣溫曲線的原點(diǎn)4月15日的間隔天數(shù)TT（天；界條件；各塊間歇天數(shù)；計(jì)算斷面的H/L；混凝土與基巖的彈模比Eh/E1及與之相應(yīng)系數(shù)α，松馳系數(shù)Kp，混凝土早期升溫而產(chǎn)生的應(yīng)力折減系數(shù)Kq，抗裂安全系數(shù)Kf；穩(wěn)定Td。上述參數(shù)中的時(shí)間增量T各澆塊起澆時(shí)間節(jié)點(diǎn)和節(jié)點(diǎn)總數(shù)均由程序自動(dòng)成。FF均已達(dá)到預(yù)定要求后，使輸出全斷面各點(diǎn)曾經(jīng)出現(xiàn)過(guò)的最高溫度值和最高溫度值分布圖“AB“CD當(dāng)澆筑斷面的高度比H/>1溫計(jì)算不宜采用單向差分法而且部分的溫NHL。0.5（可以是非整數(shù)倍）混凝土與基巖的導(dǎo)溫系數(shù)a四、變量說(shuō)變 說(shuō) 12比345TA=B+C*SIN（PI/365*（TT+FTB=TA：67應(yīng)力影響線的基點(diǎn)值，即8Y(NO,9NH本方案擬定的計(jì)算斷面最大高度（米AB年平均氣溫C年氣溫變幅Q每公斤水泥最終發(fā)熱量（千卡／公斤（45（0（1（2，K（0,2）i（天，K（0，4）=0L五、操作說(shuō)（一）1，確定計(jì)算方案的范圍：首先確定彈模比Eh/E1和H/L，然后根據(jù)可能采用的澆塊的最大長(zhǎng)度Lmax確定計(jì)算斷面的最大高度Hmax，再確定可能采用的最大澆塊總數(shù)Nmax。有了Hmax和Nmax就可由程序預(yù)先分配好數(shù)據(jù)可能占用的最大內(nèi)存，從而確定了計(jì)算方案的范圍。這便于在確定的應(yīng)力影響線和約束系數(shù)，改部彈模比Eh/E1，H/L，作用于計(jì)算斷面各高程的應(yīng)力影響線條數(shù)N0，與各條影響線系數(shù)高程約束系數(shù)相對(duì)應(yīng)的基點(diǎn)總數(shù)N1諸方案中可能采用的最多澆塊總數(shù)Nmax,Lmax,DX應(yīng)力影響線的基點(diǎn)值，即ζ/HQ，T0，TT。NTD。（二） 算，當(dāng)繪出圖形后，將圖形在上拷貝，再自動(dòng)計(jì)算、拷貝，直至結(jié)束。六、例6～71．2．大卡/公斤3．4．5．6．7．8．9．1011．2812 ℃ 1．℃2．℃℃DX=0.5mLmax=22Nmax=22（每米一TD=10.4℃。754天7澆塊12345671111111養(yǎng)護(hù)水溫度間歇時(shí)間（天7777777水泥用量（N≤Nmax，L≤Lmax,本例形成數(shù)據(jù)文件。輸入H（N0，X（N1，Y（N0，N1，Z（N1，R（N1H（H0）數(shù)組的輸入，請(qǐng)遵照附錄中“溫度應(yīng)力影響線數(shù)Y/H1.5936,1.6602,1.2965,0.8362,0.4525,0.1938,0.0413,-0.0444,-0.1007,-0.157,-1.8063,2.0071,1.6714,1.1574,0.6838,0.3382,0.1198,-0.0113,-0.0994,-0.1826,-1.5968,1.9414,1.7789,1.3516,0.8777,0.4889,0.2206,0.0483,-0.0701,-0.1768,-1.3435,1.7993,1.8408,1.5445,1.0969,0.67,0.3454,0.1229,-0.0339,-0.1707,-1.0816,1.5955,1.8299,1.7056,1.3248,0.8783,0.4979,0.2177,0.0143,-0.1593,-0.8359,1.3751,1.7342,1.8054,1.5391,1.1056,0.6792,0.3376,0.0801,-0.1372,-0.6203,1.1112,1.5662,1.8201,1.7129,1.3382,0.8864,0.4865,0.1686,-0.0986,-0.4403,0.8781,1.3532,1.7413,1.8189,1.5554,1.1116,0.6658,0.2851,-0.0365,-0.296,0.6703,1.1242,1.583,1.8369,1.7296,1.3423,0.8724,0.4346,0.0566,-0.184,0.4932,0.9016,1.3738,1.7599,1.8329,1.559,1.0985,0.6199,0.1896,-0.0995,0.3474,0.6986,1.1446,1.6013,1.8462,1.7335,1.3318,0.8402,0.3713,-----0.0851,--0.1045,-0.0872,--0.1267,-0.1328,-0.1044,--0.1551,-0.1839,-0.1838,-0.146,--0.1935,-0.2455,-0.271,-0.2638,--0.2016,-0.2574,-0.2866,-0.2834,--0.0469,-0.0242,-0.0167,-0.0162,-0.0146,-1e- 基礎(chǔ)塊溫度場(chǎng)及溫度應(yīng)力計(jì)算 砼與基巖的彈模比 澆筑斷面的H/L=應(yīng)力影響線條數(shù)N0= 相對(duì)應(yīng)的基點(diǎn)總數(shù)N1=最多澆塊總數(shù)Nmax= 澆塊的最大長(zhǎng)度Lmax=計(jì)算點(diǎn)的間距DX= -0.0469-0.0242-0.0167-0.0162-0.0146-0.00360.02480.07890.1667 N0=H(0.4525--0.1007-0.1570-N0=H(0.6838--0.0994-0.1826-N0=H(0.8777-0.0701-0.1768-N0=H(1.0969-0.0339-0.1707-N0=H(1.32480.0143-0.1593-N0=H(1.53910.0801-0.1372-N0=H(1.71290.1686-0.0986-N0=H(1.81890.2851-0.0365-N0=H(-N0= H( -N0= H( -N0= H( N0= H(- N0= H(- N0= H(- N0= H(-0.0851- N0=H(-0.1045-0.0872-0.02780.30010.64371.14091.7335N0=H(-0.1267-0.1328-0.1044-0.1288N0=H(-0.1551-0.1839-0.1838--0.0304N0=H(-0.1935-0.2455-0.2710--0.1795N0=H(-0.2016-0.2574-0.2866-0.2834-第一塊砼起澆日期距氣溫曲線原點(diǎn)的間隔天數(shù)TT=澆塊總數(shù) NP= 計(jì)算點(diǎn)的間距DX= TA=B+C*SIN(PI*2 TB 邊界溫 澆筑時(shí) W間隙時(shí)間邊界條件11.5 -K= I= TMAX=S0= 邊界溫 澆筑時(shí) W間隙時(shí)間邊界條件11.5 -K= I= TMAX=S0= 邊界溫 澆筑時(shí) W間隙時(shí)間邊界條件21.5 K= K= I= TMAX=S0=HH= 邊界溫 澆筑時(shí) W間隙時(shí)間邊界條件21.5 K=K=I= TMAX=S0=HH= 邊界溫 澆筑時(shí) W間隙時(shí)間邊界條件31.5-.06K=K=K=I= TMAX=S0=HH= 邊界溫 澆筑時(shí) W間隙時(shí)間邊界條件31.5-.06K=K=K=I= TMAX=S0=HH= 邊界溫 澆筑時(shí) W間隙時(shí)間邊界條件42.5 K=K=K=K=I=TMAX=S0=HH= 邊界溫 澆筑時(shí) W間隙時(shí)間邊界條件5 -K= K= K=K=K=I=TMAX=S0=HH= 邊界溫 澆筑時(shí) W間隙時(shí)間邊界條件6-465.5K=K=K=K=K=K=I=TMAX=S0=HH= 邊界溫 澆筑時(shí) W間隙時(shí)間邊界條件7K=K=K=K=K=K=K=I=TMAX=S0=HH=HH= W間隙時(shí)間邊界條件11.5 -21.5 31.524-.0642.5 5 -6 -465.57K=0123456789