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PAGE20南陽理工學(xué)院本科生畢業(yè)設(shè)計(jì)學(xué)院(系):土木工程系專業(yè):土木工程學(xué)生:指導(dǎo)教師:

完成日期2011年5月南陽理工學(xué)院本科生畢業(yè)設(shè)計(jì)南陽天工集團(tuán)辦公樓TheOfficeBuildingDesignofNanYangTianGongGroup總計(jì):畢業(yè)設(shè)計(jì)(論文)16頁表格:22個(gè)插圖:48幅PAGEPAGEIV南陽理工學(xué)院本科畢業(yè)設(shè)計(jì)南陽天工集團(tuán)辦公樓

TheOfficeBuildingDesignofNanyangTianGongGroup學(xué)院(系):土木工程專業(yè):土木工程(建工方向)學(xué)生姓名:學(xué)號(hào):指導(dǎo)教師(職稱):評(píng)閱教師:)完成日期:2011年05月南陽理工學(xué)院NanyangInstituteofTechnology南陽天工集團(tuán)辦公樓設(shè)計(jì)土木工程專業(yè)陳克[摘要]本建筑為南陽市天工集團(tuán)辦公樓,總建筑面積為5611.56m2。主體結(jié)構(gòu)6層,建筑高度25.2m。場(chǎng)地類型為Ⅱ類場(chǎng)地,地震設(shè)計(jì)分組為第一組,抗震烈度為7度建筑設(shè)計(jì)力求簡潔明快,具有時(shí)代感并與周圍環(huán)境相結(jié)合,結(jié)構(gòu)設(shè)計(jì)采用鋼框架結(jié)構(gòu),確定結(jié)構(gòu)方案并進(jìn)行荷載統(tǒng)計(jì)、梁柱截面選擇及剛度驗(yàn)算,計(jì)算風(fēng)載作用下的框架內(nèi)力及恒載、活載作用下的框架內(nèi)力,經(jīng)內(nèi)力組合后得出構(gòu)件的最不利組合內(nèi)力,進(jìn)行梁、柱截面驗(yàn)算、節(jié)點(diǎn)及鋼樓梯設(shè)計(jì)、樓板配筋計(jì)算,繪制施工圖??蚣芄?jié)點(diǎn)設(shè)計(jì)采用栓焊混合連接的方式,基礎(chǔ)采用柱下獨(dú)立基礎(chǔ)。[關(guān)鍵詞]鋼框架;建筑設(shè)計(jì);結(jié)構(gòu)設(shè)計(jì);內(nèi)力分析;南陽天工集團(tuán)辦公樓設(shè)計(jì)TheOfficeBuildingDesignofNanyangTianGongGroupCivilEngineeringMajorChenKeAbstract:ThisbuildingistheofficebuildingofNanyangtiangongGroup.Itstotalareais5611.56squaremeters,and6floors.Itsbuildingheightis25.2meters.Theareaisthesecondtypearea,andthefirstgroupinearthquakeresistanceintensity.Architecturedesigntrieshardforsimpleandclear,whichhastheagesfeelsandassortwithsurroundingsenvironment.Steelframeandreinforceconcretefloorwereusedinthestructure.Thesizeofthebeamandcolumnwasdeterminedbythetypeofthestructureandthecalculationoftheloads.Theinnerforcesoftheframeunderthewindload,thedeadload,andthelivingloadswereanalyzedseparately.Bythecombinationoftheinnerforces,themostdangerousforcescanbegot,andthenthesteelbeam,steelcolumn,thenodeandsteelstaircaseandreinforceconcretefloorcanbedesigned.Thedrawingcanbemade.Miedconnectionwithweldingandboltswasusedinsteelframe,andindependentfoundationundercolumnwasadopted.keywords:Steelframe;Structuredesign;Architecturedesign;Internalforceanalysis目錄1建筑設(shè)計(jì) 11.1設(shè)計(jì)任務(wù)和設(shè)計(jì)要求及依據(jù) 11.1.1設(shè)計(jì)任務(wù) 11.1.2設(shè)計(jì)要求 11.1.3設(shè)計(jì)依據(jù) 11.2建筑物所處的自然條件、地質(zhì)條件、設(shè)計(jì)參數(shù) 21.2.1氣象條件 21.2.2地形、地質(zhì)及地震烈度 21.2.3水文地質(zhì)條件 21.3建筑物的功能和特點(diǎn)以及設(shè)計(jì)說明 21.3.1平面設(shè)計(jì) 21.3.2立面設(shè)計(jì) 21.3.3防火及抗震 22結(jié)構(gòu)設(shè)計(jì) 32.1設(shè)計(jì)依據(jù)、結(jié)構(gòu)形式及布置 32.2設(shè)計(jì)資料 42.3梁柱截面初選、梁柱線剛度及各層柱側(cè)移剛度計(jì)算 52.3.1梁柱截面初選 52.3.2梁線剛度表 62.3.3柱剛度計(jì)算表 62.3.4中框架柱側(cè)移剛度D值 62.4水平地震作用計(jì)算 72.4.1荷載計(jì)算 72.4.2重力荷載代表值計(jì)算 82.4.3橫向自震周期計(jì)算 92.4.4水平地震作用及樓層地震剪力的計(jì)算 102.4.5多遇地震作用下的位移計(jì)算 102.4.6水平地震作用下框架內(nèi)力計(jì)算 112.5風(fēng)荷載作用下的框架內(nèi)力及側(cè)移計(jì)算 152.5.1風(fēng)荷載作用下各層集中力計(jì)算 152.5.2水平荷載作用下水平位移驗(yàn)算 152.5.3水平風(fēng)荷載作用下的內(nèi)力計(jì)算 162.6荷載計(jì)算 192.7豎向荷載下框架受荷總圖:(內(nèi)力計(jì)算) 192.7.1豎向恒載作用下的內(nèi)力計(jì)算 192.7.2豎向活載作用下的內(nèi)力計(jì)算 292.8內(nèi)力組合 382.9構(gòu)件截面驗(yàn)算 492.9.1梁截面驗(yàn)算 492.9.2柱截面驗(yàn)算 492.9.3節(jié)點(diǎn)抗震驗(yàn)算 522.10節(jié)點(diǎn)設(shè)計(jì) 522.10.1梁柱節(jié)點(diǎn)設(shè)計(jì) 522.10.2柱柱節(jié)點(diǎn)設(shè)計(jì) 532.10.3柱腳節(jié)點(diǎn)設(shè)計(jì) 532.11樓板設(shè)計(jì) 572.11.1組合板設(shè)計(jì) 572.12樓梯設(shè)計(jì) 622.13基礎(chǔ)設(shè)計(jì) 632.13.1底層中柱下端設(shè)計(jì)內(nèi)力 632.13.2基礎(chǔ)埋深 632.13.3基底應(yīng)力驗(yàn)算 642.13.4礎(chǔ)用四棱錐臺(tái)式獨(dú)立基礎(chǔ),沖切驗(yàn)算 643手算與電算結(jié)果的對(duì)比 66結(jié)束語 84參考文獻(xiàn) 85致謝 86南陽天工集團(tuán)辦公樓PAGE50PAGE721建筑設(shè)計(jì)建筑設(shè)計(jì)是在總體規(guī)劃的前提下,根據(jù)任務(wù)書的要求綜合考慮基地環(huán)境,使用功能,結(jié)構(gòu)施工,材料設(shè)備,建筑經(jīng)濟(jì)及建筑藝術(shù)等問題。著重解決建筑物內(nèi)部各種使用功能和使用空間的合理安排,建筑與周圍環(huán)境,與各種外部條件的協(xié)調(diào)配合,內(nèi)部和外表的藝術(shù)效果,各個(gè)細(xì)部的構(gòu)造方式等。創(chuàng)造出既符合科學(xué)性又具有藝術(shù)的生產(chǎn)和生活環(huán)境。建筑設(shè)計(jì)在整個(gè)工程設(shè)計(jì)中起著主導(dǎo)和先行的作用,除考慮上述各種要求以外,還應(yīng)考慮建筑與結(jié)構(gòu),建筑與各種設(shè)備等相關(guān)技術(shù)的綜合協(xié)調(diào),使建筑物做到適用,經(jīng)濟(jì),安全,美觀。1.1設(shè)計(jì)任務(wù)和設(shè)計(jì)要求及依據(jù)1.1.1設(shè)計(jì)任務(wù)本設(shè)計(jì)的主要內(nèi)容是天工集團(tuán)辦公樓設(shè)計(jì),作為一個(gè)辦公的空間設(shè)計(jì),要在平面規(guī)劃中自始至終遵循實(shí)用、功能需求和人性化管理充分結(jié)合的原則。在設(shè)計(jì)中,既結(jié)合辦公需求和工作流程,科學(xué)合理的劃分職能區(qū)域,也要考慮區(qū)域之間的相互交流。材料運(yùn)用簡潔,大方,耐磨,環(huán)保的現(xiàn)代材料,在照明采光上使用全局照明,能滿足辦公的需要。經(jīng)過精心設(shè)計(jì),在滿足各種辦公需要的同時(shí),又簡潔,大方,美觀,能充分體現(xiàn)中原路橋集團(tuán)的形象與現(xiàn)代感.1.1.2設(shè)計(jì)要求建筑法規(guī)、規(guī)范和一些相應(yīng)的建筑標(biāo)準(zhǔn)是對(duì)該行業(yè)行為和經(jīng)驗(yàn)的不斷總結(jié),具有指導(dǎo)意義,尤其是一些強(qiáng)制性規(guī)范和標(biāo)準(zhǔn),具有法定意義。建筑設(shè)計(jì)除了應(yīng)滿足相關(guān)的建筑標(biāo)準(zhǔn)、規(guī)范等要求之外,原則上還應(yīng)符合以下要求:(1)滿足建筑功能要求;(2)采用合理的技術(shù)措施,達(dá)到節(jié)能環(huán)保的目的;(3)符合所在地規(guī)劃發(fā)展的要求,并具有良好的視覺效果;(4)提供在投資計(jì)劃所允許的經(jīng)濟(jì)范疇內(nèi)運(yùn)作的可行性。1.1.3設(shè)計(jì)依據(jù)(1)《房屋建筑制圖統(tǒng)一標(biāo)準(zhǔn)》(GB/T50001-2001);(2)《建筑制圖標(biāo)準(zhǔn)》(GB/T50104-2001);(3)《中南地區(qū)建筑構(gòu)配件圖集》;(4)《工業(yè)與民用建筑畢業(yè)設(shè)計(jì)指南》;(5)《辦公建筑設(shè)計(jì)規(guī)范》;(6)《建筑設(shè)計(jì)防火規(guī)范》;1.2建筑物所處的自然條件、地質(zhì)條件、設(shè)計(jì)參數(shù)1.2.1氣象條件南陽市的基本風(fēng)壓0.35kN/㎡,冬季主導(dǎo)風(fēng)向?yàn)楸逼珫|風(fēng),夏季主導(dǎo)風(fēng)向?yàn)闁|南風(fēng),地面粗糙度為C類?;狙簶?biāo)準(zhǔn)值:0.45kN/m21.2.2地形、地質(zhì)及地震烈度南陽市區(qū)地形比較平坦,自然地面以下土層依次為:第一層素填土層:底部埋深為0.40-0.70m;f第二層粘土層:底部埋深為0.90-1.30m;f第三層粉質(zhì)粘土層:底部埋深為3.50-4.30m;f第四層細(xì)砂層:底部埋深為4.50-5.20m;f第五層中砂層:底部埋深為5.50-7.30m;f第六層粗砂層:底部埋深為7.30-9.80m;f第七層含礫粗砂層:底部埋深為17.00-18.40m;f南陽市抗震設(shè)防烈度為7度,設(shè)計(jì)地震分組為第一組,框架為三級(jí)抗震。1.2.3水文地質(zhì)條件本工程地下水埋深13.3m—場(chǎng)地土類型為中硬場(chǎng)地土,建筑場(chǎng)地類別為=2\*ROMANII類,地震烈度7度時(shí)不會(huì)產(chǎn)生地震液化。1.3建筑物的功能和特點(diǎn)以及設(shè)計(jì)說明1.3.1平面設(shè)計(jì)建筑朝向?yàn)槟媳背颍L寬比滿足要求。采用縱向3.9m;橫向6.9m,1.3.2立面設(shè)計(jì)該建筑立面滿足采光和美觀要求,門廳部分采用鋁合金門,其它部分采用塑鋼窗、木門,外墻面采用涂料墻面,不同分隔區(qū)采用不同顏色,并在局部增加造型,以增強(qiáng)美感。1.3.3防火及抗震防火等級(jí)為二級(jí),安全疏散距離滿足房門至外部出口或封閉樓梯間的最大距離,大房間設(shè)前后兩個(gè)門,小房間設(shè)一個(gè)門,以滿足防火要求。建筑的平面布置規(guī)則,豎向質(zhì)量分布及剛度變化均勻,樓層沒有錯(cuò)層,滿足抗震要求。2結(jié)構(gòu)設(shè)計(jì)2.1設(shè)計(jì)依據(jù)、結(jié)構(gòu)形式及布置本設(shè)計(jì)依據(jù)以下現(xiàn)行國家規(guī)范及規(guī)程設(shè)計(jì)?!督ㄖY(jié)構(gòu)荷載規(guī)范》(GB50009-2001)《鋼結(jié)構(gòu)設(shè)計(jì)規(guī)范》(GBJ50017-2003)《建筑抗震設(shè)計(jì)規(guī)范》(GB50011-2008)《高層民用建筑鋼結(jié)構(gòu)技術(shù)規(guī)程》JGJ99-98.結(jié)構(gòu)形式及布置采用鋼框架結(jié)構(gòu)??v向設(shè)置十字交叉柔性支撐兩道,支撐桿件用雙角鋼截面,焊縫連接。框架梁、柱均采用焊接工字形截面。樓板采用壓型鋼板鋼筋混凝土組合結(jié)構(gòu);樓梯為鋼樓梯;基礎(chǔ)采用柱下獨(dú)立基礎(chǔ),結(jié)構(gòu)平面布置如下:圖2-1結(jié)構(gòu)平面布置圖(計(jì)算單元) 圖2-2構(gòu)豎向布置圖底層計(jì)算高度為4.2+1=5.2m,其中2.2設(shè)計(jì)資料本工程為六層鋼框架結(jié)構(gòu),樓屋蓋采用壓型鋼板組合樓板,柱距采用3.9m、6.9設(shè)計(jì)標(biāo)高:室內(nèi)設(shè)計(jì)標(biāo)高±0.000,室內(nèi)外高差0.450m,首層層高4.2屋面做法:防水層:改性瀝青防水卷材;20mm厚1:3水泥沙漿找平層;100mm厚水泥珍珠巖保溫層焦渣找坡(最薄處30mm厚,最厚處樓面做法:20mm大理石面層;20mm門窗做法:門廳處為鋁合金門,其它均采用木門,窗采用塑鋼窗;本工程抗震設(shè)防烈度為7度,設(shè)計(jì)地震分組為第一組,設(shè)計(jì)地震加速度值為0.1墻體做法:外墻為厚加氣混凝土隔墻;內(nèi)墻為板恒載取值:100厚樓屋面鋼筋混凝土板2.5kN/㎡卷材剛性雙防水2.88kN/㎡加氣混凝土砌塊8.50kN/m3木門0.20kN/㎡鋁合金窗0.45kN/㎡20厚混合砂漿墻面0.34kN/㎡外墻外保溫0.17kN/㎡9)活載取值:不上人屋面,檔案室,走廊、樓梯以及門廳,閱覽室、會(huì)議室,辦公室,健身房,電梯機(jī)房10)雪荷載:基本雪壓S0=0.45kN/㎡,雪荷載標(biāo)準(zhǔn)值Sk=μRS0=0.45kN/㎡。11)風(fēng)荷載:基本風(fēng)壓W0=0.35kN/㎡,地面粗糙度類別為C類,風(fēng)荷載高度變化系數(shù)按《建筑結(jié)構(gòu)荷載規(guī)范》采用。2.3梁柱截面初選、梁柱線剛度及各層柱側(cè)移剛度計(jì)算2.3.1梁柱截面初選梁柱截面均選擇熱軋H型鋼,鋼材選用Q345鋼;組合板選用100厚混凝土板,Uk4壓型鋼板YX70-200-600(V200),板厚1mm,有效截面慣性矩,有效截面抵抗矩,一個(gè)波距寬度內(nèi)截面面積,自重;梁的截面尺寸應(yīng)滿足承載力,剛度及延性要求,初始梁高取跨度的1/20~1/30,梁翼緣寬度取梁高的1/4~1/2,柱截面高度與柱高高度之比可取為1/30~1/12。底層中柱及邊柱采用HW400×400×13×21;二層以上框架柱采用HW350×350×12×19;縱向邊框架梁采用HN500×200×10×16;局部框架梁采用HN600×200×11×17。柱、梁選用見下表:圖2-3構(gòu)件截面參數(shù)表2-1梁柱截面及特性表構(gòu)件截面尺寸面積重量慣性矩(cm4)慣性半徑(cm)截面模量(cm3)A(cm2)kg/mI×IYi×IyW×WyL-1HN450×200×9×1497.4176.533700187018.64.381500187L-2HN500×200×10×16114.289.647800214020.54.331910214L-3HN300×150×6.5×947.5337.3735050812.43.2749067.7Z-1HW350×350×12×19173.9137403001360015.28.842300776Z-2HW400×400×13×21219172669002240017.510.133401120Z-3HM200×200×8×1264.2850.5477016008.614.994771602.3.2梁線剛度表表2-2梁線剛度表類別層次EC(N/mm2)b×h(mm2)I0(mm4)LECI0/L(N/mm)1.5ECI0/L(N/mm)2ECI0/L(N/mm)邊跨梁12.06×105500×2004.78×10869001.427×10102.1405×10101.712×10102~62.06×105500×2004.78×10869001.427×10102.1405×10101.712×1010走道梁12.06×105450×2003.37×10821003.306×10104.959×10103.967×10102~62.06×105450×2003.37×10821003.306×10104.959×10103.967×10102.3.3柱剛度計(jì)算表表2-3梁線剛度表層次b×h(mm2)Ic(mm4)EC(N/mm2)hc(mm)ECI0/L(N/mm)1400×4004.78×1082.06×10552001.427×10102~6350×3504.78×1082.06×10536001.427×10102.3.4中框架柱側(cè)移剛度D值(N/mm)表2-4梁線剛度表層次邊柱34根中柱34根∑DiAcDi1AcDi11層0.650.4350573.3680.72140704598162~6層0.740.2757653.3680.7284676743906900210069002.14054.9592.14056900210069002.14054.9592.14052.14052.14052.14052.14052.14052.14052.14052.14052.14052.14054.9594.9594.9594.9594.9592.652.3062.652.652.652.3062.3062.3062.3062.3062.3062.3062.3062.306圖2-4架計(jì)算簡圖及梁柱相對(duì)線剛度i×1010N·mm∑D1/∑D2≈0.7,該框架為豎向規(guī)則框架2.4水平地震作用計(jì)算2.4.1荷載計(jì)算1.屋面均布荷載恒載:APP改性防水0.35KN/m220mm厚1:3水泥砂漿找平層20×0.02=0.40K100mm厚水泥珍珠巖保溫層3.5×0.1=0.35K焦渣找坡(最薄處30,最厚150)10×0.14=1.40KN/m2100mm厚現(xiàn)澆混凝土結(jié)構(gòu)層(折算厚度)25×0.10=2.50K1mm厚壓型鋼板0.15K輕鋼龍骨吊頂0.12KN/m2合計(jì)5.27KN/m2

活載:不上人屋面0.5KN/m2雪載0.5KN/m2重力荷載代表值計(jì)算時(shí)取雪荷載。豎向荷載作用下結(jié)構(gòu)分析時(shí)活荷載和雪荷載不同時(shí)考慮,取二者較大值考慮2.樓面均布荷載恒載:大理石面層28×0.02=0.56kN/㎡20mm100mm厚現(xiàn)澆鋼筋混凝土結(jié)構(gòu)層1mm厚壓型鋼板輕鋼龍骨吊頂0.12kN/㎡合計(jì)3.73kN/㎡活載:樓面活荷載2.0kN/㎡走廊、樓梯的活荷載2.5kN/㎡為簡化計(jì)算,本設(shè)計(jì)偏于安全樓面均布荷載統(tǒng)一取2.5計(jì)算。樓面:8-10厚地磚鋪實(shí)拍平,水泥漿擦縫3.衛(wèi)生間樓面12厚水泥石子磨光素水泥漿結(jié)合層18厚1:3水泥砂漿找平2厚(一布四涂)氯丁橡膠瀝青防水涂料,面撒黃沙四周沿墻上翻150高刷基層處理劑一遍2.17kN/㎡15厚1:2水泥砂漿找平50厚C20細(xì)實(shí)混凝土找1%坡最薄處不小于201mm厚壓型鋼板0.15N/㎡100厚現(xiàn)澆鋼筋混凝土板2.5kN/㎡合計(jì):4.85kN/㎡活載同樓面2.4.2重力荷載代表值計(jì)算梁:B、E、D、C89.6×9.8×=0.89kN/m防火及裝飾0.5kN/m合計(jì):1.39kN/m走廊梁76.5×9.8×=0.75kN/m防火及裝飾0.5kN/m合計(jì)1.25kN/m橫梁89.6×9.8×=0.89kN/m防火及裝飾0.5kN/m合計(jì):1.39kN/m電梯梁合計(jì):1.39kN/m衛(wèi)生間梁合計(jì):1.39kN/m1層柱1.72kN/m2~6層柱1.37kN/m標(biāo)準(zhǔn)層墻自重(250厚)1.89kN/m標(biāo)準(zhǔn)層內(nèi)墻自重(200厚)1.44kN/m窗戶0.45kN/m門0.45kN/m女兒墻自重1.89kN/m表2-5樓層的重力荷載代表值計(jì)算表計(jì)算層次恒載Gn=G橫+0.5G活(kN)墻梁柱窗門板活載1181963740560273267320673062-517906373295843326472157215612756373022922326559685968圖2-5重力荷載代表值2.4.3橫向自震周期計(jì)算該建筑物高度H=26.1m40m,且質(zhì)量和剛度沿高度分布均勻,故采用底部剪力法萊計(jì)算水平地震作用。取2.4.4水平地震作用及樓層地震剪力的計(jì)算1)結(jié)構(gòu)等效總重力荷載代表值2)水平地震影響系數(shù)因?yàn)槎悎?chǎng)地,第一地震分組場(chǎng)地,查表可得:3)結(jié)構(gòu)總的水平地震作用標(biāo)準(zhǔn)值:因=1.4×0.35=0.49s,需在結(jié)構(gòu)頂部附加集中水平地震作用頂部附加地震作用系數(shù)各質(zhì)點(diǎn)橫向水平地震作用按下式計(jì)算:Hi為結(jié)構(gòu)樓層的計(jì)算高度表2-6水平地震作用下剪力計(jì)算層位GihiHiGiHiGiHi/∑GiHiFi(kN)Vi(kN)659683.623.21414140.236307.42508.98572153.619.62265500.241313.93822.91472153.6161154400.197256.621079.53372153.612.4894660.153199.31278.83272153.68.8634920.108140.681419.51173065.25.237991.20.06584.671504.182.4.5多遇地震作用下的位移計(jì)算所以結(jié)構(gòu)任一樓層的水平地震剪力符合最低要求V6=508.98kNV6=508.98kNV5=822.91kNV4=1079.53kNV3=1278.83kNV2=1419.51kNV1=1504.18kN圖2-6水平地震作用下層間剪力變形驗(yàn)算見下表(由于不超過12層,層間位移計(jì)算不計(jì)入梁柱節(jié)點(diǎn)域剪切變形的影響)表2-7地震作用下位移計(jì)算層次樓層剪力Vi(kN)樓間側(cè)移剛度Di(kN/m)層間側(cè)移△ui(m)ui(m)Hi(m)θe=△ui/hi6508.986743900.0007470.0108223.60.00020755822.916743900.0100750.0100753.60.00033441079.536743900.0088730.0088733.60.00044531278.586743900.0072720.0072723.60.000526721419.516743900.0053760.0053763.60.000584711504.184598160.0032710.0032715.20.000629各層間位移角滿足要求,經(jīng)驗(yàn)算不需考慮重力二階效應(yīng)。2.4.6水平地震作用下框架內(nèi)力計(jì)算1)所需計(jì)算框架各層柱剪力如下表:表2-8平地震作用下剪力計(jì)算層次hiVi∑D邊柱中柱Di(kN/m)Vi(kN)Di(kN/m)Vi(kN)63.6508.9867439057654.351407010.6253.6822.9167439057657.031407017.1743.61079.5367439057659.231407022.5233.61278.53674390576510.931407026.5223.61419.51674390576512.131407029.6215.21504.18459816505716.54846727.702)各柱反彎點(diǎn)高度計(jì)算(以第一層各柱為例)第一層邊柱?、圯S框架計(jì)算:y=y0+y1+y2+y3m=6,n=1=0.65Z=0.70框架底層柱不考慮y1的修正,即y1=0;α2=3.6/5.2=0.092,=0.65,y2=0.027框架底層柱不考慮y3修正,即y3=0;反彎點(diǎn)高度y=y0+y1+y2+y3=0.727第一層中柱:m=6,n=1=3.368y0=0.55框架底層柱不考慮y1的修正,即y1=0;α2=3.6/5.2=0.73,=3.365,y2=0;框架底層柱不考慮y3修正y3=0;反彎點(diǎn)高度y=y0+y1+y2+y3=0.55。邊柱的反彎點(diǎn)高度比(B、E軸)表2-9邊柱的反彎點(diǎn)高度比表層次Hiy0y1y2y3y63.60.740.30000.353.60.740.40000.443.60.740.420000.4233.60.740.450000.4523.60.740.500.02700.515.20.650.700.02700.727中柱(C.D軸)反彎點(diǎn)高度比表2-10中柱(C.D軸)反彎點(diǎn)高度比層次Hiy0y1y2y3y63.63.870.450000.4553.63.870.490000.4943.63.870.50000.533.63.870.50000.523.63.870.50000.515.23.3680.550000.55柱端彎矩計(jì)算表2-11柱端彎矩計(jì)算表層次Hi(m)邊柱中柱Vi(kN)yMid(kN·m)Miu(kN·m)Vi(kN)yMid(kN·m)Miu(kN·m)63.64.350.34.710.9610.620.4517.2021.0353.67.030.410.1215.1817.170.4930.2931.5243.69.230.4213.9619.2722.520.540.5440.5433.610.930.4517.7121.6426.670.548.0048.0023.612.130.521.8321.8329.620.553.3253.3215.216.540.72762.5323.4827.700.5579.2264.823)梁端彎矩計(jì)算:(以第一層計(jì)算為例)第一層:BC跨Mbl=21.83+23.48=44.31kN·mMbr=(53.32+64.82)×2.1405/(4.959+2.1405)=36.22kN·mDE跨Mbl=36.22kN·mMbr=44.31kN·mCD跨Mbl=(55.32+64.82)×4.959/(4.959+2.1405)=83.92kN·m表2-12梁端彎矩計(jì)算層數(shù)AB跨(kN·m)CD跨(kN·m)BC跨(kN·m)MblMbrMblMbrMblMbr610.966.346.3410.9614.6914.69519.8814.6914.6919.8834.0634.03429.3921.3621.3629.3949.4749.47335.626.6926.6935.661.8561.85239.5430.5530.5539.5470.7770.77144.3136.2236.2244.3183.9283.924)梁端剪力計(jì)算表表2-13梁端剪力計(jì)算層數(shù)AB跨(kN)CD跨(kN)BC跨(kN)VblVbrVblVbrVblVbr111.6711.6711.6711.6779.9279.92210.1610.1610.1610.1667.467.439.039.039.039.0358.9058.9047.367.367.367.3647.1147.1155.015.015.015.0132.4132.4162.52.52.52.513.9913.99圖2-7水平地震作用下框架彎矩圖(kN·m)圖2-8水平地震作用下剪力圖(kN)圖2-9水平地震作用下柱軸力圖(kN)2.5風(fēng)荷載作用下的框架內(nèi)力及側(cè)移計(jì)算2.5.1風(fēng)荷載作用下各層集中力計(jì)算風(fēng)荷載標(biāo)準(zhǔn)值:房屋高度:=4.2+3.6×5=22.230mz=1風(fēng)荷載體型系數(shù):風(fēng)壓高度變化系數(shù):地面粗糙類別為C類(如下表)表2-14水平風(fēng)荷載作用下集中力層數(shù)ΒzμsμzωoωkhiFi(kN)611.30.870.350.3983.65.12511.30.810.350.3693.65.18411.30.740.350.3373.64.73311.30.740.350.3373.64.73211.30.740.350.3373.64.73111.30.740.350.3774.25.132.5.2水平荷載作用下水平位移驗(yàn)算表2-15水平風(fēng)荷載作用下位移計(jì)算層數(shù)Fi(kN)Vi(kN)ΣD(kN/m)△ui(m)ui(m)hi△ui/hi65.122.12396700.000130.002743.61/3600055.1810.3396700.000130.002613.61/3600044.7315.03396700.000260.002483.61/1800034.7319.76396700.000500.002223.61/720024.7324.49396700.000620.001723.61/600015.1329.62270480.001100.00115.21/4200續(xù)表2-16柱頂位移Σ△ui=0.00274m,層間相對(duì)側(cè)移最大值1/4200<1/400,柱頂側(cè)移0.00274m<1/500×22.2=2.5.3水平風(fēng)荷載作用下的內(nèi)力計(jì)算表2-16水平風(fēng)荷載作用下柱剪力計(jì)算層次hiVi∑D邊柱中柱Di(kN/m)Vi(kN)Di(kN/m)Vi(kN)63.65.123967057650.74140701.8253.610.33967057651.5140703.6543.615.033967057652.18140705.3333.619.763967057652.87140707.0123.624.493967057653.56140708.6915.229.622704850575.5484679.27表2-17框架各層各柱彎矩計(jì)算表層次Hi(m)邊柱中柱Vi(kN)yMid(kN·m)Miu(kN·m)Vi(kN)yMid(kN·m)Miu(kN·m)63.60.740.30.801.861.820.452.953.6053.61.500.42.163.243.650.496.446.7043.62.180.423.304.555.330.59.599.5933.62.870.454.655.687.010.512.6212.6223.63.560.56.416.418.690.515.6415.6415.25.540.72720.837.829.270.5526.5121.69表2-18梁端彎矩計(jì)算表層數(shù)BC跨(kN·m)DE跨(kN·m)CD跨(kN·m)MblMbrMblMbrMblMbr61.861.091.091.862.512.5154.042.912.914.046.746.7446.714.834.836.7111.2011.2038.986.706.708.9815.5115.51211.068.528.5211.0619.7419.74114.2311.2511.2514.2326.0826.08表2-19梁端剪力計(jì)算表層數(shù)BC跨(kN)DE跨(kN)CD跨(kN)VblVbrVblVbrVblVbr60.430.430.430.432.392.3951.011.011.011.016.426.4241.671.671.671.6710.6710.6732.272.272.272.2714.7814.7822.842.842.842.8418.818.813.693.693.693.6924.8424.84圖2-10左風(fēng)作用下框架彎矩圖(kN·m)圖2-11水平風(fēng)荷載作用下梁柱剪力圖(kN)圖2-12水平風(fēng)荷載作用下柱軸力圖(kN)2.6荷載計(jì)算永久荷載樓面3.73kN/m2不上人屋面5.27kN/m2衛(wèi)生間樓面4.85kN/m2內(nèi)墻1.44kN/m2外墻1.89kN/m2活載不上人屋面0.5kN/m2樓面2.0kN/m2因梁側(cè)、梁底及柱四周需考慮包覆防火裝飾板材,計(jì)算自重時(shí)要考慮。表2-20梁柱自重調(diào)整構(gòu)件自重(kN/m)放火裝飾(kN/m)調(diào)整后自重截面尺寸L-10.900.51.39HN500×200×10×16L-30.370.50.87HN300×150×6.5×9L-20.770.51.27HN450×200×9×14Z-11.720.51.89HW400×400×13×21Z-21.370.51.507HW350×350×12×19Z-30.510.51.01HW200×200×8×122.7豎向荷載下框架受荷總圖:(內(nèi)力計(jì)算)荷載由板到梁傳遞示意圖:表2-13柱網(wǎng)布置及內(nèi)力計(jì)算單元圖2.7.1豎向恒載作用下的內(nèi)力計(jì)算1)頂層:=1\*GB3①板傳給次梁的線荷載:其中邊跨:=5.27×3.9m=20.55kN/m等效為:=(1-2)×=(1-2×0.09+0.027)×20.55=17.41kN/m中跨:=5.27×2.1m=11.067kN/m等效為:=6.92kN/m圖2-14恒載作用下板的傳載方式圖2-15荷載等效圖②板傳給縱梁的線荷載:邊跨:5.27××=6.42kN/m中跨:5.27××+5.27××(1-2×0.32+0.33)=11.11kN/m③縱梁傳給柱的集中力:B軸(E軸):女兒墻自重:11.060kN梁的自重+墻的自重+板傳給縱梁的荷載=3.9×1.39+11.06+6.42×3.9×2=65.15kNC軸(D軸):2×11.11×3.9+3.9×1.39=92.08kN=4\*GB3④橫梁傳給柱的集中力:B軸(E軸):(17.41+1.39)×3.45=64.86kNC軸(D軸):17.41×3.45+6.92×1.05+1.39×(3.45+1.05)=73.59kN=2\*GB2⑵1~5層=1\*GB3①板傳給橫梁的線荷載:其中=0.3邊跨:=3.73×3.9m=14.55kN/m等效為:=(1-2)×=12.32kN/m中跨:=3.73×2.1m=7.83kN/m等效為:=4.9kN/m=2\*GB3②板傳給縱梁的集中荷載:B軸(E軸):3.73××=4.55kN/mC軸(D軸):3.73×1.05×(1-0.09×2+0.027)+3.73××=7.86kN/m標(biāo)準(zhǔn)層外縱墻自重:B軸(E軸)14.45kNC軸(D軸)13.77kNB-C(D-E)軸內(nèi)橫墻:29.24kN=3\*GB3③縱梁傳給柱的集中力:B軸(E軸):板傳給縱梁線荷載+外墻自重+縱梁自重=4.55×3.9×2+14.45+3.9×1.39=55.36kNC軸(D軸):7.86×2×3.9+3.9×1.39+13.77=80.50kN=4\*GB3④橫梁傳給柱的集中力B軸(E軸):12.32×+1.39×+29.24=76.54kNC軸(D軸):12.32×+4.9×1.05+29.24×0.5+1.39×(3.45+1.05)=68.52kN=5\*GB3⑤1~5層柱頂集中力:B軸(E軸):縱橫梁傳給柱的集中力=55.36+76.54=131.9kNC軸(D軸):縱橫梁傳給柱的集中力=68.52+80.5=149.02kN頂層柱的集中力:B軸(E軸):65.15+64.86=130.01kNC軸(D軸):92.08+73.59=165.67kN⑥柱端偏心距:2~6層:B軸(E軸):kN·mC軸(D軸):=149.020.075=6.60kN·m頂層:B軸(E軸):kN·mC軸(D軸):kN·m底層:B軸(E軸):kN·mC軸(D軸):kN·m圖2-16整榀框架所受恒載=8\*GB3⑧該榀框架在豎向荷載和結(jié)構(gòu)均為對(duì)稱的作用下,故可利用對(duì)稱性簡化計(jì)算,由對(duì)稱性原理可計(jì)算其一半,中跨梁線剛度修正1/2,柱線剛度乘以0.9圖2-17梁柱線剛度i×1010N·mm=3\*GB2⑶計(jì)算節(jié)點(diǎn)彎矩分配系數(shù)(以頂層為例):頂層各點(diǎn):結(jié)點(diǎn):==0.49=0.51結(jié)點(diǎn):===0.54同理2~5層各結(jié)點(diǎn):結(jié)點(diǎn):=0.33=0.33=0.34結(jié)點(diǎn)C2-5:=0.2=0.18=0.18=0.44底層結(jié)點(diǎn):=0.32=0.36=0.32結(jié)點(diǎn)C:=0.18=0.19=0.21=0.42=4\*GB2⑷計(jì)算各結(jié)點(diǎn)彎矩:圖2-18第六層(kN·m)=-28.8kN·m=28.8kN·m=-2.26kN·m=-1.13kN·m圖2-19第二~五層(kN·m)MB右梁=-37.97kN·mMC佐領(lǐng)=47.08kN·mMC右梁=-23.08kN·mMD左梁=20.38kN·m圖2-20第一層(kN·m)MB右梁=-36.59kN·mMC佐領(lǐng)=46.97kN·mMC右梁=-21.28kN·mMD左梁=18.49kN·m=5\*GB2⑸荷載作用下:=1\*GB3①B軸柱剪力:kNkNkN=2\*GB3②C軸柱剪力:=6.11kN=8.99kN=7.08kN=3\*GB3③邊跨梁的剪力:頂層:=54.67kN=-63.22kN2~5層:=40.39kN=-40.08kN底層:=40.20kN=-43.27kN=4\*GB3④中跨梁的剪力:頂層:=7.79kN=--7.79kN2~5層:=5.51kN=5.51kN圖2-21豎向恒載作用下的彎矩圖(kN·m)圖2-22豎向恒載作用下剪力圖(kN)圖2-23豎向恒載作用下軸力圖(kN)2.7.2豎向活載作用下的內(nèi)力計(jì)算在豎向活載作用下,不考慮框架側(cè)移對(duì)內(nèi)力的影響,即框架的側(cè)移忽略不計(jì),采用分層法計(jì)算。除底層柱及各層梁外,各層柱的線剛度均乘以0.9。由于活荷載相對(duì)較小,其與恒載之比不大于1,引起的內(nèi)力所占比例較小,故采用滿布荷載法計(jì)算豎向活載作用下的框架內(nèi)力。=1\*GB2⑴頂層:=1\*GB3①板傳給次梁的線荷載:其中=1.8/6=0.3邊跨:=0.5×3.9m=1.95kN/m等效為:=(1-2)×=1.65kN/m中跨:=0.5×2.1m=1.05kN/m等效為:=0.66kN/m圖2-24活載作用下的板的傳載方式圖2-25等效荷載=2\*GB3②板傳給縱梁的線荷載:邊跨:0.5×kN/m中跨:0.61+(1-2)×0.5×1.05=1.05kN/m=3\*GB3③板傳給縱梁的線荷載:邊跨:0.5××(1-2)=1.46kN/m中跨:0.5×kN=4\*GB3④橫梁傳給縱柱的集中力:B軸(E軸):kN/mC軸(D軸):kN/m=5\*GB3⑤縱梁傳給柱的集中力:B軸(E軸):0.61×3.9/2=1.19kNC軸(D軸):1.05×+1.19=3.24kN=6\*GB3⑥頂層柱頂集中力:B軸(E軸):(5.04+1.19)×2=12.46kNC軸(D軸):(5.38+3.24)×2=17.12kN=2\*GB2⑵1~5層:=1\*GB3①板傳給橫梁的線荷載:其中=1.8/6=0.3邊跨:=2.5×3.9m=9.75kN/m等效為:=(1-2)×=8.27kN/m中跨:=2.5×2.1m=5.25kN/m等效為:=3.28kN/m=2\*GB3②板傳給縱梁的集中荷載:邊跨:2.5××=3.05kN/m中跨:3.05+0.847×2.5×1.05=5.27kN/m=3\*GB3③板傳給橫梁的線荷載:邊跨:2.5×3.45×0.847=7.31kN/m中跨:2.5××1.05=1.64=1.64kN/m=4\*GB3④橫梁傳給柱的集中力:B軸(E軸):3.45×7.31=25.22kNC軸(D軸):25.22+1.05×1.64=26.94kN=5\*GB3⑤縱梁傳給柱的集中力:(同次梁)B軸(E軸):3.05×=5.95kNC軸(D軸):5.27×+5.95=16.22kN⑥頂層柱的集中力:B軸(E軸):(25.22+5.95)×2=62.34kNC軸(D軸):(16.22+26.94)×2=86.32kN=3\*GB2⑶頂層柱偏心距:B軸(E軸):12.46×0.05=0.62kN·mC軸(D軸):17.12×0.075=6.47kN·m2~5層:B軸(E軸):62.34×0.05=3.12kN·mC軸(D軸):86.32×0.075=6.47kN·m底層:B軸(E軸):62.34×0.075=4.68kN·mC軸(D軸):86.32×0.1=8.63kN·m圖2-26活荷載作用下的計(jì)算簡圖(kN·m)=4\*GB2⑷計(jì)算各結(jié)點(diǎn)彎矩:頂層:MB右梁==-6.35kN·mMC左梁==6.35kN·mMC右梁==-0.3kN·mMD左梁==0.15kN·m2~5層:=-32.69kN·m=32.69kN·m=-1.2kN·m=-1.6kN·m圖2-27第六層:(kN·m)=5\*GB2⑸活荷載作用下剪力計(jì)算:=1\*GB3①B軸柱剪力:kNkNkN=2\*GB3②C軸柱剪力:=3.05kN=6.52kN=3.94kN=3\*GB3③邊跨梁的剪力:頂層:=5.43kN=-5.61kN2~5層:=27.94kN=-53.92kN底層:=27.86kN=-29kN=4\*GB3④中跨梁的剪力:頂層:=0.84kN=-0.84kN1~5層:=3.44kN=-3.44kN圖2-28第二~五層:(kN·m)圖2-29第一層:(kN·m)圖2-30豎向活載作用下的彎矩圖(kN·m),不需調(diào)整圖2-31豎向活載作用下的剪力圖(kN)圖2-32豎向活載作用下的軸力圖(kN)2.8內(nèi)力組合本設(shè)計(jì)中,梁取梁兩端作為承載力設(shè)計(jì)的控制截面,柱取柱頂與柱底兩截面作為控制截面。豎向活載作用下沒有考慮活載的最不利布置,以滿跨布置計(jì)算,所以活載作用下的跨中彎矩乘以1.15的增大系數(shù)??紤]一下四種組合:;;;對(duì)于抗震組合,選取最不利內(nèi)力時(shí)考慮抗震承載力調(diào)整系數(shù)0.75。圖2-33梁柱節(jié)點(diǎn)編號(hào)表2-21兩內(nèi)力組合表樓層截面內(nèi)力荷載類型內(nèi)力組合恒載SGk①活載SQk②風(fēng)載SWk③地震作用SEk④1.2①+1.4②1.35①+②1.2①+1.26(②±③)1.2(①+0.5②)±1.3④一層B1C1梁左M-36.59-24.2714.2344.31-77.886-73.6665-56.5584-92.418-0.867-116.073V40.227.89-3.69-11.6787.28682.1678.73288.030849.80380.145梁右M-46.97-32.211.2536.22-101.444-95.6095-82.761-111.111-28.598-122.77V43.2729-3.69-11.6792.52487.414583.814693.113454.15384.495C1D1梁左M-21.28-13.0526.0883.92-43.806-41.778-9.1182-74.839875.73-142.462V5.513.44-24.84-79.9211.42810.8785-20.35242.2448-95.22112.572梁右M-21.28-13.0526.0883.92-43.806-41.778-9.1182-74.839875.73-142.462V5.513.44-24.84-79.8211.42810.8785-20.35242.2448-95.09112.442D1E1梁左M-46.97-32.211.2536.22-101.444-95.6095-82.761-111.111-28.598-122.77V-43.27-29-3.69-11.67-92.524-87.4145-93.1134-83.8146-84.495-54.153梁右M-36.59-24.2714.2344.31-77.886-73.6665-56.5584-92.418-0.867-116.073V-40.2-27.86-3.69-11.67-87.244-82.13-87.993-78.6942-80.127-49.785二層B2C2梁左M-37.97-24.8411.0639.54-80.34-76.0995-62.9268-90.798-9.066-111.87V40.3927.94-2.84-10.1687.58482.466580.09487.250852.02478.44梁右M-47.08-32.058.5230.55-101.366-95.608-86.1438-107.6142-36.011-115.441V40.0853.92-2.84-10.67123.584108.028112.4568119.613666.57794.319C2D2梁左M-23.08-14.6119.7470.77-48.15-45.768-21.2322-70.97755.539-128.463V5.513.44-18.8-67.411.42810.8785-12.741634.6344-78.94496.296梁右M-23.08-14.6119.7470.77-48.15-45.768-21.2322-70.97755.539-128.463V5.513.44-18.8-67.411.42810.8785-12.741634.6344-78.94496.296D2E2梁左M-47.08-32.058.5230.55-101.366-95.608-86.1438-107.6142-36.011-115.441V-40.08-53.92-2.84-10.16-123.584-108.028-119.6136-112.4568-93.656-67.24梁右M-37.97-24.8411.0639.54-80.34-76.0995-62.9268-90.798-9.066-111.87V-40.39-27.94-2.84-10.16-87.584-82.4665-87.2508-80.094-78.44-52.024三層B3C3梁左M-37.97-24.848.9835.6-80.34-76.0995-65.5476-88.1772-14.188-106.748V40.3927.94-2.27-9.0387.58482.466580.812286.532653.49376.971梁右M-47.08-32.056.726.69-101.366-95.608-88.437-105.321-41.029-110.423V40.0853.92-2.27-9.03123.584108.028113.175118.895468.70992.187C3D3梁左M-23.08-14.6115.5161.85-48.15-45.768-26.562-65.647243.943-116.867V5.513.44-14.7858.911.42810.8785-7.676429.569285.246-67.894梁右M-23.08-14.6115.5161.85-48.15-45.768-26.562-65.647243.943-116.867V5.513.44-14.78-58.911.42810.8785-7.676429.5692-67.89485.246D3E3梁左M-47.08-32.056.726.69-101.366-95.608-88.437-105.321-41.029-110.423V-40.08-53.92-2.27-9.03-123.584-108.028-118.8954-113.175-92.187-68.709梁右M-37.97-24.848.9835.6-80.34-76.0995-65.5476-88.1772-14.188-106.748V-40.39-27.94-2.27-9.03-87.584-82.4665-86.5326-80.8122-76.971-53.493四層B4C4梁左M-37.97-24.846.7129.39-80.34-76.0995-68.4078-85.317-22.261-98.675V40.3927.94-1.67-7.3687.58482.466581.568285.776655.66474.8梁右M-47.08-32.054.8321.36-101.366-95.608-90.7932-102.9648-47.958-103.494V40.0853.92-1.67-7.36123.584108.028113.931118.139470.8890.016C4D4梁左M-23.08-14.6111.249.47-48.15-45.768-31.9926-60.216627.849-100.773V5.513.44-10.67-47.1111.42810.8785-2.497824.3906-52.56769.919梁右M-23.08-14.6111.249.47-48.15-45.768-31.9926-60.216627.849-100.773V5.513.44-10.67-47.1111.42810.8785-2.497824.3906-52.56769.919D4E4梁左M-47.08-32.054.8321.36-101.366-95.608-90.7932-102.9648-47.958-103.494V-40.08-53.92-1.67-7.36-123.584-108.028-118.1394-113.931-90.016-70.88梁右M-37.97-24.846.7129.39-80.34-76.0995-68.4078-85.317-22.261-98.675V-40.39-27.94-1.67-7.36-87.584-82.4665-85.7766-81.5682-74.8-55.664五層B5C5梁左M-37.97-24.844.0419.88-80.34-76.0995-71.772-81.9528-34.624-86.312V40.3927.94-1.01-5.0187.58482.466582.399884.94558.71971.745梁右M-47.08-32.052.9114.69-101.366-95.608-

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