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1、.6.3 常用的地基沉降計(jì)算方法這里所講的地基沉降量是指地基最終沉降量,目前常用的計(jì)算方法有:彈性力學(xué)法、分層總和法、應(yīng)力面積法和考慮應(yīng)力歷史影響的沉降計(jì)算法。所謂最終沉降量是地基在荷載作用下沉降完全穩(wěn)定后的沉降量,要達(dá)到這一沉降量的時(shí)間取決于地基排水條件。對(duì)于砂土,施工結(jié)束后就可以完成;對(duì)于粘性土,少則幾年,多則十幾年、幾十年乃至更長(zhǎng)時(shí)間。6.3.1 計(jì)算地基最終沉降量的彈性力學(xué)方法地基最終沉降量的彈性力學(xué)計(jì)算方法是以Boussinesq課題的位移解為依據(jù)的。在彈性半空間表面作用著一個(gè)豎向集中力P時(shí),見(jiàn)圖6-5,表面位移w(x, y, o)就是地基表面的沉降量s: (6-8)式中 地基土的泊
2、松比;E地基土的彈性模量(或變形模量E0); 為地基表面任意點(diǎn)到集中力P作用點(diǎn)的距離,。對(duì)于局部荷載下的地基沉降,則可利用上式,根據(jù)疊加原理求得。如圖6-6所示,設(shè)荷載面積A內(nèi)N(,)點(diǎn)處的分布荷載為p0(,),則該點(diǎn)微面積上的分布荷載可為集中力P= p0(,)dd代替。于是,地面上與N點(diǎn)距離r =的M(x, y)點(diǎn)的沉降s(x, y),可由式(6-8)積分求得: (6-9) 圖6-5 集中力作用下地基表面的沉降曲線(xiàn)圖6-6 局部荷載下的地面沉降(a)任意荷載面;(b)矩形荷載面從式(6-9)可以看出,如果知道了應(yīng)力分布就可以求得沉降;反過(guò)來(lái),若沉降已知又可以反算出應(yīng)力分布。對(duì)均布矩形荷載p0
3、(,)= p0=常數(shù),其角點(diǎn)C的沉降按上式積分的結(jié)果為: (6-10)式中 角點(diǎn)沉降影響系數(shù),由下式確定: (6-11)式中 m=l/b。利用式(6-10),以角點(diǎn)法易求得均布矩形荷載下地基表面任意點(diǎn)的沉降。例如矩形中心點(diǎn)的沉降是圖6-6(b)中的虛線(xiàn)劃分為四個(gè)相同小矩形的角點(diǎn)沉降之和,即 (6-12)式中 中心沉降影響系數(shù)。圖6-7 局部荷載作用下的地面沉降(a)絕對(duì)柔性基礎(chǔ);(b)絕對(duì)剛性基礎(chǔ)以上角點(diǎn)法的計(jì)算結(jié)果和實(shí)踐經(jīng)驗(yàn)都表明,柔性荷載下地面的沉降不僅產(chǎn)生于荷載面范圍之內(nèi),而且還影響到荷載面之外,沉降后的地面呈碟形,見(jiàn)圖6-7。但一般基礎(chǔ)都具有一定的抗彎剛度,因而沉降依基礎(chǔ)剛度的大小而趨
4、于均勻。中心荷載作用下的基礎(chǔ)沉降可以近似地按絕對(duì)柔性基礎(chǔ)基底平均沉降計(jì)算,即 (6-13)式中 A基底面積,s(x, y)點(diǎn)(x, y)處的基礎(chǔ)沉降。對(duì)于均布的矩形荷載,上式積分的結(jié)果為: (6-14)式中 平均沉降影響系數(shù)??蓪⑹剑?-10)、式(6-12)、式(6-14)統(tǒng)一成為地基沉降的彈性力學(xué)公式的一般形式: (6-15)式中 b矩形基礎(chǔ)(荷載)的寬度或圓形基礎(chǔ)(荷載)的直徑,無(wú)量綱沉降影響系數(shù),見(jiàn)表6-1。 基礎(chǔ)沉降影響系數(shù)值 表6-1基礎(chǔ)形狀基礎(chǔ)剛度圓形方形矩 形(l/b)1.01.52.03.04.05.06.07.08.09.010.1100.0柔性基礎(chǔ)0.640.560.68
5、0.770.890.981.051.111.161.201.241.272.001.001.121.361.531.781.962.102.222.322.402.482.544.010.850.951.151.301.521.201.831.962.042.122.192.253.70剛性基礎(chǔ)0.790.881.081.221.441.611.722.123.40剛性基礎(chǔ)承受偏心荷載時(shí),沉降后基底為一傾斜面,基底形心處的沉降(即平均沉降)可按式(6-15)取計(jì)算,基底傾斜的彈性力學(xué)公式如下:圓形基礎(chǔ): (6-16a)矩形基礎(chǔ): (6-16b)式中 基礎(chǔ)傾斜角;P基底豎向偏心荷載合力;e偏心距
6、;b荷載偏心方向的矩形基底邊長(zhǎng)或圓形基底直徑;K計(jì)算矩形剛性基礎(chǔ)傾斜的無(wú)量綱系數(shù),按l/b取值,如圖6-8,其中l(wèi)為矩形基底另一邊長(zhǎng)。圖6-8 計(jì)算矩形剛性基礎(chǔ)傾斜的系數(shù)K通常按式(6-15)計(jì)算的基礎(chǔ)最終沉降量是偏大的。這是由于彈性力學(xué)公式是按勻質(zhì)線(xiàn)性變形半空間的假設(shè)得到的,而實(shí)際上地基常常是非均質(zhì)的成層土,即使是均質(zhì)的土層,其變形模量E0一般隨深度而增大。因此,利用彈性力學(xué)公式計(jì)算沉降的問(wèn)題,在于所用的E0值能否反映地基變形的真實(shí)情況。地基土層的E0值,如能從已有建筑物的沉降觀測(cè)資料,以彈性力學(xué)公式反算求得,則這種數(shù)據(jù)是很有價(jià)值的。圖6-9 地基沉降計(jì)算系數(shù)和此外,彈性力學(xué)公式可用來(lái)計(jì)算地
7、基的瞬時(shí)沉降,此時(shí)認(rèn)為地基土不產(chǎn)生體積變形,例如風(fēng)或其它短暫荷載作用下,構(gòu)筑物基礎(chǔ)的傾斜可按式(6-16)計(jì)算,注意式中的E0應(yīng)取為地基彈性模量,并取泊松比=0.5。在大多數(shù)實(shí)際問(wèn)題中,土層的厚度是有限的,下臥堅(jiān)硬土層。Christian和Carrier(1978)提出了計(jì)算有限厚土層上柔性基礎(chǔ)的平均沉降計(jì)算公式: (6-17)式中,取決于基礎(chǔ)埋深和寬度之比D/b,取決于地基土厚度H和基礎(chǔ)形狀。取泊松比=0.5時(shí)和如圖6-9所示。對(duì)于成層土地基,可利用疊加原理來(lái)計(jì)算地基平均沉降。式(6-17)主要用于估計(jì)飽和粘土地基的瞬時(shí)沉降,由于瞬時(shí)沉降是在不排水狀態(tài)下發(fā)生的,因此,適宜的泊松比應(yīng)取0.5,
8、適應(yīng)的變形模量E0應(yīng)取不排水模量Eu。例題6-1 某矩形基礎(chǔ)底面尺寸為4m2m,其基底壓力p0=150kPa,埋深1m,地基土第一層為5m厚的粘土,不排水變形模量Eu=40MPa,第二層為8m厚的粘土,Eu=75MPa,其下為堅(jiān)硬土層。試估算基礎(chǔ)的瞬時(shí)沉降。解:D/b=0.5,查圖6-9,=0.94考慮上層粘土,H/b=4/2=2,l/b=2,具有Eu=40MPa查圖6-9,=0.60因此 考慮二層粘土均具有Eu=75MPaH/b=12/2=6,l/b=2,查圖6-9,=0.85因此 考慮第一層粘土,具有Eu=75MPa,則因此,總的瞬時(shí)沉降為:6.3.2 計(jì)算地基最終沉降量的分層總和法(一)
9、一維壓縮課題在厚度為H的均勻土層上面施加連續(xù)均勻荷載p,見(jiàn)圖6-10a,這時(shí)土層只能在豎直方向發(fā)生壓縮變形,而不可能有側(cè)向變形,這同側(cè)限壓縮試驗(yàn)中的情況基本一樣,屬一維壓縮問(wèn)題。施加外荷載之前,土層中的自重應(yīng)力為圖6-10b中OBA;施加p之后,土層中引起的附加應(yīng)力分布為OCDA。對(duì)整個(gè)土層來(lái)說(shuō),施加外荷載前后存在于土層中的平均豎向應(yīng)力圖6-10 土層一維壓縮分別為p1=H/2和p2=p1+p。從土的壓縮試驗(yàn)曲線(xiàn)(圖6-10c)可以看出,豎向應(yīng)力從p1增加到p2,將引起土的孔隙比從e1減小為e2。因此,可求得一維條件下土層的壓縮變形s與土的孔隙比e的變化之間存在如下關(guān)系: (6-18)這就是土
10、層一維壓縮變形量的基本計(jì)算公式。式(6-18)也可改寫(xiě)成: (6-19)或 (6-20)或 (6-21)式中 壓縮系數(shù);圖6-11 分層總和法沉降計(jì)算圖例體積壓縮系數(shù);Es壓縮模量;H土層厚度;A附加應(yīng)力面積,A=pH。(二)沉降計(jì)算的分層總和法1 基本原理分別計(jì)算基礎(chǔ)中心點(diǎn)下地基各分層土的壓縮變形量si,認(rèn)為基礎(chǔ)的平均沉降量s等于si的總和,即 (6-22)式中 n計(jì)算深度范圍內(nèi)土的分層數(shù)。計(jì)算時(shí)si,假設(shè)土層只發(fā)生豎向壓縮變形,沒(méi)有側(cè)向變形,因此可按式(6-18)式(6-21)中的任何一個(gè)公式進(jìn)行計(jì)算。2 計(jì)算步驟1)選擇沉降計(jì)算剖面,在每一個(gè)剖面上選擇若干計(jì)算點(diǎn)。在計(jì)算基底壓力和地基中附
11、加應(yīng)力時(shí),根據(jù)基礎(chǔ)的尺寸及所受荷載的性質(zhì)(中心受壓、偏心或傾斜等),求出基底壓力的大小和分布;再結(jié)合地基土層的性狀,選擇沉降計(jì)算點(diǎn)的位置。2)將地基分層。在分層時(shí)天然土層的交界面和地下水位面應(yīng)為分層面,同時(shí)在同一類(lèi)土層中分層的厚度不宜過(guò)大。一般取分層厚hi0.4b或hi=12m,b為基礎(chǔ)寬度。3)求出計(jì)算點(diǎn)垂線(xiàn)上各分層層面處的豎向自重應(yīng)力(應(yīng)從地面起算),并繪出它的分布曲線(xiàn)。4)求出計(jì)算點(diǎn)垂線(xiàn)上各分層層面處的豎向附加應(yīng)力,并繪出它的分布曲線(xiàn),取=0.2(中、低壓縮性土)或0.1(高壓縮性土)處的土層深度為沉降計(jì)算的土層深度。5)求出各分層的平均自重應(yīng)力和平均附加應(yīng)力,見(jiàn)圖6-11:式中 、第i
12、分層土上、下層面處的自重應(yīng)力;、第i分層土上、下層面處的附加應(yīng)力。6)計(jì)算各分層土的壓縮量si。認(rèn)為各分層土都是在側(cè)限壓縮條件下壓力從增加到所產(chǎn)生的變形量si,可由式(6-18)式(6-21)中任一式計(jì)算。7)按式(6-22)計(jì)算基礎(chǔ)各點(diǎn)的沉降量?;A(chǔ)中點(diǎn)沉降量可視為基礎(chǔ)平均沉降量;根據(jù)基礎(chǔ)角點(diǎn)沉降差,可推算出基礎(chǔ)的傾斜。例題6-2某柱基礎(chǔ),底面尺寸lb=42m2,埋深d=1.5m。傳至基礎(chǔ)頂面的豎向荷載N=1192KN,各土層計(jì)算指標(biāo)見(jiàn)例表6-1和例表6-2。試計(jì)算柱基礎(chǔ)最終沉降量。假定地下水位深dw=2m。土層計(jì)算指標(biāo) 例表6-1土層側(cè)限壓縮試驗(yàn)ep曲線(xiàn) 例表6-2土層(kN/m2)a(M
13、Pa1)Es(MPa)p(kPa)土層050100200粘土19.50.394.5粘土0.8200.7800.7600.740粉質(zhì)粘土19.80.335.1粉質(zhì)粘土0.7400.7200.7000.670粉砂19.00.375.0粉砂0.8900.8600.8400.810粉土19.20.523.4粉土0.8500.8100.7800.740解:基底平均壓力p:基底附加壓力p0:取水的重度10kN/m3,則有效重度,基礎(chǔ)中心線(xiàn)下的自重應(yīng)力和附加應(yīng)力計(jì)算結(jié)果見(jiàn)例圖6-1。到粉砂層層底,=14.4kPa0.2=0.291.9=18.3kPa,因此,沉降計(jì)算深度取為H=2.0+4.0+1.5=7.5
14、m,從基底起算的土層壓縮層厚度為Zn=7.51.5=6.0m。例圖6-1 土層自重應(yīng)力和附加應(yīng)力分布按hi0.4b=0.42=0.8m分層。h1=0.50m,h2h6=0.80m,h7=h8=0.75m。柱基礎(chǔ)最終沉降量計(jì)算結(jié)果如下:(1)按公式計(jì)算。 各分層土沉降量計(jì)算程序 例表6-3土層分層hi(m)p1i(kPa)e1iP2i(kPa)e2isi(mm)粘土010.5034.20.7995180.70.743915.45粉質(zhì)粘土12233445560.800.800.800.800.8042.950.858.466.274.00.72280.71970.71660.71350.71041
15、65.9136.6115.8105.4102.00.68020.68900.69530.69840.699419.7814.289.937.055.14粉砂68780.750.7581.688.40.84740.8446102.7104.90.83920.83853.332.48因此,s=si=77.44mm(2)按公式計(jì)算 各分層土沉降量計(jì)算程序 例表6-4土層分層hi(m)p1i(kPa)e1izi(kPa)a(MPa1)si(mm)粘土010.5034.20.7995146.50.3915.85粉質(zhì)粘土12233445560.800.800.800.800.8042.950.858.46
16、6.274.00.72280.71970.71660.71350.7104123.085.857.439.228.00.3318.8513.178.836.044.32粉砂68780.750.7581.688.40.84740.844621.116.50.373.172.48因此 s=si=72.44mm(3)按公式計(jì)算6.3.3地基沉降量計(jì)算的應(yīng)力面積法圖6-12 應(yīng)力面積的概念建筑地基基礎(chǔ)設(shè)計(jì)規(guī)范所推薦的地基最終沉降量計(jì)算方法是另一種形式的分層總和法。該方法采用了“應(yīng)力面積”的概念,因而稱(chēng)為應(yīng)力面積法。(一) 土層壓縮變形量s的計(jì)算及應(yīng)力面積的概念假設(shè)地基是均勻的,即土在側(cè)限條件下的壓縮模
17、量Es不隨深度而變,則從基底至地基任意深度z范圍內(nèi)的壓縮量為(見(jiàn)圖6-12): (6-23)式中 土的側(cè)限壓縮應(yīng)變,;A深度z范圍內(nèi)的附加應(yīng)力面積,。因?yàn)?,為基底下任意深度z處的附加應(yīng)力系數(shù)。因此,附加應(yīng)力面積A為: (6-24)為便于計(jì)算,引入一個(gè)豎向平均附加應(yīng)力(面積)系數(shù)。則式(6-23)改寫(xiě)為: (6-25)式(6-25)就是以附加應(yīng)力面積等代值引出一個(gè)平均附加應(yīng)力系數(shù)表達(dá)的從基底至任意深度z范圍內(nèi)地基沉降量的計(jì)算公式。由此可得成層地基沉降量的計(jì)算公式(見(jiàn)圖6-13): (6-26)式中 和zi和zi1深度范圍內(nèi)豎向附加應(yīng)力面積Ai和Ai1的等代值。因此,用式(6-26)計(jì)算成層地基的
18、沉降量,關(guān)鍵是確定豎向平均附加應(yīng)力系數(shù)。由豎向平均附加應(yīng)力系數(shù)的定義,均布荷載p0作用于矩形(2a2b)土表,相對(duì)其形心,在坐標(biāo)(x, y)處,從土表到z深處,可導(dǎo)出的解析式如下:圖6-13 成層地基沉降計(jì)算的概念 (6-27)其中(表示取的整數(shù)部分) (6-28a) (6-28b)為便于計(jì)算,均布矩形荷載角點(diǎn)下的列于表6-2;利用式(6-24)也可以求出均布三角形荷載角點(diǎn)、圓形面積均布荷載中心點(diǎn)和周邊點(diǎn)下的值,并列于表6-3至表6-5,以供查用。為了提高計(jì)算準(zhǔn)確度,地基沉降計(jì)算深度圍內(nèi)的計(jì)算沉降量,尚須乘以一個(gè)沉降計(jì)算經(jīng)驗(yàn)系數(shù)。建筑地基基礎(chǔ)設(shè)計(jì)規(guī)范規(guī)定的確定方法為: (6-29)式中 利用地
19、基沉降觀測(cè)資料推算的最終沉降量。各地區(qū)宜按實(shí)測(cè)資料制定適合于本地區(qū)各類(lèi)土的值,而建筑地基基礎(chǔ)設(shè)計(jì)規(guī)范提供了一個(gè)采用表值,見(jiàn)表6-6。綜上所述,建筑地基基礎(chǔ)設(shè)計(jì)規(guī)范推薦的地基最終沉降量s的計(jì)算公式如下: (6-30)式中,n地基沉降計(jì)算深度范圍內(nèi)所劃分的土層數(shù)。 均布矩形荷載角點(diǎn)下的平均豎向附加應(yīng)力系數(shù) 表6-21.01.21.41.61.82.02.42.83.23.64.05.010.00.00.20.40.60.80.25000.24960.24740.24230.23460.25000.24970.24790.24370.23720.25000.24970.24810.24440.238
20、70.25000.24980.24830.24480.23950.25000.24980.24830.24510.24000.25000.24980.24840.24520.24030.25000.24980.24850.24540.24070.25000.24980.24850.24550.24080.25000.24980.24850.24550.24090.25000.24980.24850.24550.24090.25000.24980.24850.24550.24100.25000.24980.24850.24550.24100.25000.24980.24850.24560.241
21、01.01.21.41.61.80.22520.21490.20430.19390.18400.22910.21990.21020.20060.19120.23130.22290.21400.20490.19600.23260.22480.21640.20790.19940.23350.22600.21900.20990.20180.23400.22680.21910.21130.20340.23460.22780.22040.21300.20550.23490.22820.22110.21380.20660.23510.22850.22150.21430.20730.23520.22860.
22、22170.21460.20770.23520.22870.22180.21480.20790.23530.22880.22200.21500.20820.23530.22890.22210.21520.20842.02.22.42.62.80.17460.16590.15780.15030.14330.18220.17370.16570.15830.15140.18750.17930.17150.16420.15740.19120.18330.17570.16860.16190.19380.18620.17890.17190.16540.19580.18830.18120.17450.168
23、00.19820.19110.18430.17790.17170.19960.19270.18620.17990.17390.20040.19370.18730.18120.17530.20090.19430.18800.18200.17630.20120.19470.18850.18250.17690.20150.19520.18900.18320.17770.20180.19550.18950.18380.17843.03.23.43.63.80.13690.13100.12560.12050.11580.14490.13900.13340.12820.12340.15100.14500.
24、13940.13420.12930.15560.14970.14410.13890.13400.15920.15330.14780.14270.13780.16190.15620.15080.14560.14080.16580.16020.15500.15000.14520.16820.16280.15770.15280.14820.16980.16450.15950.15480.15020.17080.16570.16070.15610.15160.17150.16640.16160.15700.15260.17250.16750.16280.15830.15410.17330.16850.
25、16390.15950.15544.04.24.44.64.80.11140.10730.10350.10000.09670.11890.11470.11070.10700.10360.12480.12050.11640.11270.10910.12940.12510.12100.11720.11360.13320.12890.12480.12090.11730.13620.13190.12790.12400.12040.14080.13650.13250.12870.12500.14380.13960.13570.13190.12830.14590.14180.13790.13420.130
26、70.14740.14340.13960.13590.13240.14850.14450.14070.13710.13370.15000.14620.14250.13900.13570.15160.14790.14440.14100.13795.05.25.45.65.80.09350.09060.08780.08520.08280.10030.09720.09430.09160.08900.10570.10260.09960.09680.09410.11020.10700.10390.10100.09830.11390.11060.10750.10460.10180.11690.11360.
27、11050.10760.10470.12160.11830.11520.11220.10940.12490.12170.11860.11560.11280.12730.12410.12110.11810.11530.12910.12590.12290.12000.11720.13040.12730.12430.12150.11870.13250.12950.12650.12380.12110.13480.13200.12920.12660.12406.06.26.46.66.80.08050.07830.07620.07420.07230.08660.08420.08200.07990.077
28、90.09160.08910.08690.08470.08260.09570.09320.09090.08860.08650.09910.09660.09420.09190.08980.10210.09950.09710.09480.09260.10670.10410.10160.09930.09700.11010.10750.10500.10270.10040.11260.11010.10760.10530.10300.11460.11200.10960.10730.10500.11610.11360.11110.10880.10660.11850.11610.11370.11140.109
29、20.12160.11930.11710.11490.11297.07.27.47.67.80.07050.06880.06720.06560.06420.07610.07420.07250.07090.06930.08060.07870.07690.07520.07360.08440.08250.08060.07890.07710.08770.08570.08380.08200.08020.09040.08840.08650.08460.08280.09490.09280.09080.08890.08710.09820.09620.09420.09220.09040.10080.09870.
30、09670.09480.09290.10280.10080.09880.09680.09500.10440.10230.10040.09840.09660.10710.10510.10310.10120.09940.11090.10900.10710.10540.10368.08.28.48.68.80.06270.06140.06010.05880.05760.06780.0663.06490.06360.06230.07200.07050.06900.06760.06630.07550.07390.07240.07100.06960.07850.07690.07540.07390.0724
31、0.08110.07950.07790.07640.07490.08530.08370.08200.08050.07900.08860.08690.08520.08360.08210.09120.08940.08780.08620.08460.09320.09140.09890.08820.08660.09480.09310.09140.08980.08820.09760.09590.09430.09270.09120.10200.10040.09880.09730.9599.29.610.010.410.80.05540.05330.05140.04960.04790.05990.05770
32、.05560.05370.05190.096370.06140.05920.05720.05530.06970.06720.06490.06270.06060.07210.06960.06720.06490.06280.07610.07340.07100.06860.06640.07920.07650.07390.07160.06930.08170.07890.07630.07390.07170.08370.08090.07830.07590.07360.08530.08250.07990.07750.07510.08820.08550.08290.08040.07810.08130.0738
33、0.07190.06820.06490.09310.09050.08800.08570.083411.211.612.012.813.60.04630.04480.04350.04090.03870.05020.04860.04710.04440.04200.05350.05180.05020.04740.04480.05630.05450.05290.04990.04720.05870.05690.05520.05210.04930.06090.05900.05730.05410.05120.06440.06250.06060.05730.05430.06720.06520.06340.05
34、990.05680.06950.06750.06560.06210.05890.07140.06940.06740.06390.06070.07300.07090.06900.06540.06210.07590.07380.07190.06820.06490.08130.07930.07740.07390.070714.415.216.018.020.00.03670.03490.03320.02970.02690.03980.03790.03610.03230.02930.04250.04040.03850.03450.03120.04480.04260.04070.03640.03300.
35、04680.04460.04250.03810.03450.04860.04630.04420.03960.03590.05160.04920.04690.04220.03830.05400.05150.04920.04420.04020.05610.05350.05110.04600.04180.05770.05510.05270.04750.04320.05920.05650.05400.04870.04440.06190.05920.05670.05120.04680.06770.06500.06250.05700.0524三角形分布的矩形荷載角點(diǎn)下的平均豎向附加應(yīng)力系數(shù) 表6-30.2
36、0.40.60.81.0角點(diǎn)1角點(diǎn)2角點(diǎn)1角點(diǎn)2角點(diǎn)1角點(diǎn)2角點(diǎn)1角點(diǎn)2角點(diǎn)1角點(diǎn)20.00.20.40.60.80.00000.01120.01790.02070.02170.25000.21610.18100.15050.12770.00000.01400.02450.03080.03400.25000.23080.20840.18510.16400.00000.01480.02700.03550.04050.25000.23330.21530.19660.17870.00000.01510.02800.03760.04400.25000.23390.21750.20110.18520.0
37、0000.01520.02850.03880.04590.25000.23410.21840.20300.18831.01.21.41.61.80.02170.02120.02040.01950.01860.11040.09700.08650.07790.07090.03510.03510.03440.03330.03210.14610.13120.11870.10820.09930.04300.04390.04360.04270.04150.16240.14800.13560.12470.11530.04760.04920.04950.04900.04800.17040.15710.1451
38、0.13450.12520.05020.05250.05340.05330.05250.17460.16210.15070.14050.13132.02.53.05.07.010.00.01780.01570.01400.00970.00730.00530.06500.05380.04580.02890.02110.01500.03080.02760.02480.01750.01330.00970.09170.07690.06610.04240.03110.02220.04010.03650.03300.02360.01800.01330.10710.09080.07860.04760.035
39、20.02530.04670.04290.03920.02850.02190.01620.11690.10000.08710.05760.04270.03080.05130.04780.04390.03240.02510.01860.12320.10630.09310.06240.04650.03361.21.41.61.82.00.00.20.40.60.80.00000.01530.02880.03940.04700.25000.23420.21870.20390.18990.00000.01530.02890.03970.04760.25000.23430.21890.20430.190
40、70.00000.01530.02900.03990.04800.25000.23430.21900.20460.19120.00000.01530.02900.04000.04820.25000.23430.21900.20470.19150.00000.01530.02900.04010.04830.25000.23430.21910.20480.19171.01.21.41.61.80.05180.05460.05590.05610.05560.17690.16490.15410.14430.13540.05280.05600.05750.05800.05780.17810.16660.
41、15620.14670.13810.05340.05680.05860.05940.05930.17890.16780.15760.14840.14000.05380.05740.05940.06030.06040.17940.16840.15850.14940.14130.05400.05770.05990.06090.06110.17970.16890.15910.15020.14222.02.53.05.07.010.00.05470.05130.04760.03560.02770.02070.12740.11070.09760.06610.04960.03590.05700.05400
42、.05030.03820.02990.02240.13030.11390.10080.06900.05200.03790.05870.05600.05250.04030.03180.02390.13240.11630.10330.07140.05410.03950.05990.05750.05410.04210.03330.02520.13380.11800.10520.07340.05580.04090.06080.05860.05540.04350.03470.02630.13480.11930.10670.07490.05720.0403 3.04.06.08.010.00.00.20.
43、40.60.80.00000.01530.02900.04020.04360.25000.23430.21920.20500.19200.00000.01530.02910.04020.04870.25000.23430.21920.20500.19200.00000.01530.02910.04020.04370.25000.23430.21920.20500.19210.00000.01530.02910.04020.04870.25000.23430.21920.20500.19210.00000.01530.02910.04020.04870.25000.23430.21920.205
44、00.19211.01.21.41.61.80.05450.05840.06090.06230.06280.18030.16970.16030.15170.14410.05460.05860.06120.06260.06330.18030.16990.16050.15210.14450.05460.05870.06130.06280.06350.18040.17000.16060.15230.14470.05460.05870.06130.06260.06350.18040.17000.16060.15230.14480.05460.05870.06130.06280.06350.18040.17000.16060.15220.14482.02.53.05.07.010.00.06290.06140.05890.04800.03910.03020.13710.12230.11040.07970.00190.04020.06340.06230.06000.05000.04140.03250.13770.12330.11160.08170.06420.04850.06370.06270.06070.05150.04350.03490.13800.12370.11230.08330.06630.05090.06380.06280.060
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