版權(quán)說(shuō)明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)
文檔簡(jiǎn)介
某綜合辦公樓建筑結(jié)構(gòu)設(shè)計(jì)(方案一)李小強(qiáng)PAGE58某綜合辦公樓建筑結(jié)構(gòu)設(shè)計(jì)李小強(qiáng)(甘肅農(nóng)業(yè)大學(xué)工學(xué)院甘肅蘭州730070)摘要:本設(shè)計(jì)為辦公樓設(shè)計(jì),屬于非生產(chǎn)性公共建筑,為鋼筋混凝土框架結(jié)構(gòu)。工程批準(zhǔn)總建筑面積,擬建5層。其中設(shè)有辦公室,會(huì)議室,接待室,多功能室等。多功能室考慮適當(dāng)通風(fēng)及自然采光。其建筑標(biāo)準(zhǔn)為防火等級(jí)Ⅱ級(jí),辦公室及會(huì)議室采光等級(jí)Ш級(jí)??拐鹪O(shè)防為8度。計(jì)算過(guò)程為:通過(guò)擬定的截面尺寸與建筑設(shè)計(jì)確定的形體材料,在計(jì)算自重荷載的基礎(chǔ)上,組合活荷載,用彎矩二次分配法計(jì)算了重力荷載下框架的內(nèi)力。然后再考慮地震荷載作用水平方向的效應(yīng);按八度二組0.2g的加速度用能量法或經(jīng)驗(yàn)計(jì)算公式計(jì)算出結(jié)構(gòu)基本周期的近似值,再用底部剪力法計(jì)算出作用在結(jié)構(gòu)各樓層上的水平地震力,再以截面和用料為基準(zhǔn)計(jì)算的框架剛度為分配系數(shù)用D值法計(jì)算出各個(gè)柱上的剪力,又用反彎點(diǎn)法計(jì)算出柱的彎矩和各梁的彎矩,在用強(qiáng)柱弱梁、強(qiáng)剪弱彎原則對(duì)地震作用效應(yīng)調(diào)整,得出所有內(nèi)力。在豎向重力荷載與地震水平荷載下,再綜合考慮風(fēng)荷載、雪荷載,進(jìn)行最不利荷載組合,求出最不利組合下的內(nèi)力。最后按該內(nèi)力進(jìn)行配筋計(jì)算。關(guān)鍵詞:建筑框架結(jié)構(gòu)荷載內(nèi)力組合配筋第一部分設(shè)計(jì)任務(wù)書(shū)設(shè)計(jì)題目——某綜合辦公樓建筑設(shè)計(jì)建筑部分一、設(shè)計(jì)條件1、基地條件該工程建于蘭州市內(nèi)(位于北緯,東經(jīng))。2、自然氣象條件基本風(fēng)壓:50年一遇基本風(fēng)壓基本雪荷載:50年一遇基本雪荷載二、功能要求本工程建筑等級(jí)為丙類建筑,總建筑面積為3888,擬建5層。其中會(huì)議廳497,會(huì)議室、多功能室870,辦公部分建筑面積1160,其它部分1361,要求二層以上各層能分別獨(dú)立使用,首層為公共部分,設(shè)有門(mén)衛(wèi)室,接待室,配電室。1、辦公室:約30,采用4.2m開(kāi)間,6.9m進(jìn)深。2、綜合辦公室:約60,采用8.4m開(kāi)間,6.9m進(jìn)深。3、會(huì)議室:約60,采用8.4m開(kāi)間,6.9m進(jìn)深,每層設(shè)2個(gè)。4、接待室、門(mén)衛(wèi)室:約30,設(shè)在首層。5、多功能室:約60,二層及以上每層設(shè)一個(gè),考慮通風(fēng)并適當(dāng)考慮自然采光。6、會(huì)議廳:約100,采用14.4m開(kāi)間,6.9m進(jìn)深,二層及以上每層設(shè)一個(gè)。7、層高:均為3.3m。三、裝修要求1、外立面要求可參照現(xiàn)有同類做法。2、內(nèi)部裝修為一般水平,可選用標(biāo)準(zhǔn)圖集。四、地震設(shè)防烈度8度第二組。五、建筑標(biāo)準(zhǔn)1、防火等級(jí):Ⅱ級(jí)2、辦公室、會(huì)議室采光等級(jí):Ⅲ級(jí)六、設(shè)計(jì)要求應(yīng)完成以下內(nèi)容:1、中英文摘要2、設(shè)計(jì)總說(shuō)明(訂于設(shè)計(jì)計(jì)算書(shū)前)3、平面圖:底層平面圖、標(biāo)準(zhǔn)層平面圖,1:1004、立面圖:正,側(cè)里面各一個(gè),1:1005、剖面圖:橫剖圖,1:1006、樓梯詳圖:1:50結(jié)構(gòu)部分一、設(shè)計(jì)資料:1、地形:詳見(jiàn)建筑設(shè)計(jì)部分的資料;2、工程地質(zhì)及水文資料:(1)地形:擬建場(chǎng)地地形平坦,Ⅱ類場(chǎng)地。(2)土層:自上而下為1)素填土,厚約0.5m;2)砂質(zhì)粘土,厚約3.0m,地基承載力標(biāo)準(zhǔn)值:1803)礫層,厚約5.0-7.0m,地基承載力標(biāo)準(zhǔn)值:180(3)地下水位:常年地下水位于地面以下,水質(zhì)對(duì)混凝土無(wú)侵蝕。3、氣象條件:基本風(fēng)壓:50年一遇基本風(fēng)壓基本雪荷載:50年一遇基本雪荷載4、抗震設(shè)防烈度:按8度第二組設(shè)防.5、材料供應(yīng)及施工能力均能得到保證.6、不上人屋面活荷載:;上人屋面活荷載:(標(biāo)準(zhǔn)值);二、設(shè)計(jì)任務(wù)及要求:1、設(shè)計(jì)計(jì)算部分:(1)荷載及重力荷載代表組集(2)在地震荷載作用下彈性層間及整體位移驗(yàn)算(3)在豎向荷載作用下各桿件的內(nèi)力(M、N、V)(4)在風(fēng)荷載作用下的框架各桿件的內(nèi)力(M、N、V)(5)在地震荷載作用下的框架各桿件的內(nèi)力(M、N、V)(6)內(nèi)力組合(7)各桿件及現(xiàn)澆樓板的截面設(shè)計(jì)和配筋計(jì)算(8)基礎(chǔ)結(jié)構(gòu)形式,柱下獨(dú)立基礎(chǔ)的計(jì)算2、圖紙部分(1)柱網(wǎng)圖(2)框架梁、柱、樓板尺寸及配筋圖(3)基礎(chǔ)配筋圖3、計(jì)算部分結(jié)構(gòu)設(shè)計(jì)計(jì)算書(shū)中必須注明結(jié)構(gòu)及其構(gòu)件選型和結(jié)構(gòu)布置的理由及設(shè)計(jì)依據(jù),對(duì)于所選用的標(biāo)準(zhǔn)構(gòu)件應(yīng)注名構(gòu)件的代號(hào)、標(biāo)準(zhǔn)圖集的代號(hào)、構(gòu)件的自重及詳細(xì)尺寸,以便為后面的計(jì)算作準(zhǔn)備.詳細(xì)列出結(jié)構(gòu)設(shè)計(jì)計(jì)算的各個(gè)步驟、全部的計(jì)算過(guò)程和計(jì)算結(jié)果.計(jì)算書(shū)中應(yīng)附有必要得計(jì)算用圖(結(jié)構(gòu)及構(gòu)件的關(guān)系圖和結(jié)構(gòu)及構(gòu)件的計(jì)算簡(jiǎn)圖).第二部分設(shè)計(jì)說(shuō)明書(shū)一、建筑設(shè)計(jì)說(shuō)明1、設(shè)計(jì)依據(jù):1)《總圖制圖標(biāo)準(zhǔn)》GB/T50103—20012)《民用建筑設(shè)計(jì)通則》JGJ37—873)《建筑設(shè)計(jì)防火規(guī)范》GB16—874)綜合辦公樓有關(guān)方案圖選2、工程概況:本設(shè)計(jì)為綜合辦公樓設(shè)計(jì),屬于非生產(chǎn)性公共建筑,為鋼筋混凝土框架結(jié)構(gòu)。本工程建筑等級(jí)為丙類建筑,總建筑面積為3888,擬建5層。會(huì)議廳497,會(huì)議室、多功能室870,辦公部分建筑面積1160,其它部分1361,要求二層以上各層能分別獨(dú)立使用,首層為公共部分,設(shè)有門(mén)衛(wèi)室,接待室,配電室。其建筑標(biāo)準(zhǔn)為防火等級(jí)Ⅱ級(jí),辦公室及會(huì)議室采光等級(jí)Ш級(jí)??拐鹪O(shè)防烈度為8度第二組。3、建筑設(shè)計(jì):本設(shè)計(jì)室內(nèi)外高差為。墻體:外墻為300厚,內(nèi)墻為200厚墻。4、各房間面積、開(kāi)間、進(jìn)深及層高要求:(1)辦公室:約30,采用4.2m開(kāi)間,6.9m進(jìn)深。(2)綜合辦公室:約60,采用8.4m開(kāi)間,6.9m進(jìn)深。(3)會(huì)議室:約60,采用8.4m開(kāi)間,6.9m進(jìn)深,每層設(shè)2個(gè)。(4)接待室、門(mén)衛(wèi)室:約30,設(shè)在首層。(5)多功能室:約60,二層及以上每層設(shè)一個(gè),考慮通風(fēng)并適當(dāng)考慮自然采光。(6)會(huì)議廳:約100,采用14.4m開(kāi)間,6.9m進(jìn)深,二層及以上每層設(shè)一個(gè)。(7)層高:均為3.3m。二、建筑設(shè)計(jì)圖紙統(tǒng)計(jì)表名稱序號(hào)圖名專業(yè)編碼建筑施工圖1底層平面圖建施—12標(biāo)準(zhǔn)層平面圖建施—23正立面圖建施—34背立面圖建施—45側(cè)立面圖建施—56樓梯平面圖建施—67樓梯剖面圖建施—78屋頂排水圖建施—8結(jié)構(gòu)施工圖9板配筋圖結(jié)施—110樓梯配筋圖結(jié)施—211梁柱配筋圖結(jié)施—312樁及基礎(chǔ)梁配筋圖結(jié)施—4三.門(mén)窗統(tǒng)計(jì)表型號(hào)尺寸()數(shù)量(個(gè))M12100×24008M21800×210020M32100×210010M41200×210050M52100×27002C11800×1800100C21200×15008C32400×18008第三部分設(shè)計(jì)計(jì)算書(shū)一、設(shè)計(jì)資料:1、工程地質(zhì)及水文資料:(1)地形:擬建場(chǎng)地地形平坦,Ⅱ類場(chǎng)地。(2)土層:自上而下為1)素填土,厚約0.5m;2)砂質(zhì)粘土,厚約3.0m,地基承載力標(biāo)準(zhǔn)值:1803)礫層,厚約5.0-7.0m,地基承載力標(biāo)準(zhǔn)值:180(3)地下水位:常年地下水位于地面以下,水質(zhì)對(duì)混凝土無(wú)侵蝕。2、氣象條件:基本風(fēng)壓:50年一遇基本風(fēng)壓基本雪荷載:50年一遇基本雪荷載3、抗震設(shè)防烈度:抗震設(shè)防烈度為8度4、活荷載標(biāo)準(zhǔn)值:不上人屋面活荷載:;上人屋面活荷載:(標(biāo)準(zhǔn)值);二、樓板的設(shè)計(jì)及計(jì)算1、基本設(shè)計(jì)資料:外墻厚為300mm。樓面層為水磨石層面,梁板底面為20mm后混合砂漿抹面,采用C25混凝土()。鋼筋:受力鋼筋為HPB235級(jí)(),其他構(gòu)造鋼筋為HRB235級(jí)()?;詈奢d標(biāo)準(zhǔn)值:,荷載系數(shù)為1.3。水磨石自重標(biāo)準(zhǔn)值:,混凝土標(biāo)準(zhǔn)值:,混合沙漿自重標(biāo)準(zhǔn)值:。單向板按塑性理論計(jì)算,雙向板按彈性理論計(jì)算。2、設(shè)計(jì)計(jì)算:(1).確定板厚和荷載設(shè)計(jì)值:經(jīng)計(jì)算:A、B、C、D、F板為雙向板,E板為單向板。按板的構(gòu)造厚度,取荷載計(jì)算:恒荷載標(biāo)準(zhǔn)值:水磨石版面層100mm厚鋼筋混凝土板自重20mm厚混合砂漿抹面合計(jì)恒載設(shè)計(jì)值活載標(biāo)準(zhǔn)值活載設(shè)計(jì)值總荷載設(shè)計(jì)值(2).板的計(jì)算跨度及區(qū)格劃分板劃分為A、B、C、D、E、F六種區(qū)格,跨度及劃分方案見(jiàn)圖1圖1板的區(qū)格劃分及計(jì)算跨度其中,A、B、C、D、F板為雙向板,E板為單向板。A、B、C、D、F雙向板按彈性理論計(jì)算:荷載分組:計(jì)算每一區(qū)格板的跨內(nèi)正彎矩時(shí),恒荷載進(jìn)行滿布而活荷載采用棋盤(pán)式布置計(jì)算取荷載為:計(jì)算各中間支座最大負(fù)彎矩時(shí),恒荷載及活荷載均滿布在各區(qū)格板考慮。即荷載取計(jì)算跨度:中間跨:(軸線間距離)邊跨:各區(qū)格板的計(jì)算跨度及彎矩計(jì)算見(jiàn)下表:表1區(qū)格ABCDF0.610.610.580.570.88固定情況兩簡(jiǎn)支兩固定一簡(jiǎn)支三固定一簡(jiǎn)支三固定四固定一簡(jiǎn)支三固定0.04890.04460.03900.03780.02360.01330.01570.00520.00640.02270.08060.08060.08490.08630.04760.02480.02480.02300.02230.0354-0.1085-0.1020-0.0820-0.0806-0.0676-0.0781-0.0771-0.0571-0.0571-0.0667表2區(qū)格AB4.15/6.85=0.614.20/6.85=0.61計(jì)算簡(jiǎn)圖跨內(nèi)支座計(jì)算簡(jiǎn)圖區(qū)格CD2.40/4.15=0.582.40/4.20=0.57計(jì)算簡(jiǎn)圖跨內(nèi)支座計(jì)算簡(jiǎn)圖區(qū)格F6.0/6.85=0.88計(jì)算簡(jiǎn)圖跨內(nèi)支座計(jì)算簡(jiǎn)圖E區(qū)格板為單向板按塑性理論計(jì)算:取.計(jì)算跨度:代入公式:由于區(qū)格板E為四邊連續(xù)板,內(nèi)力折減系數(shù)為0.8,則22.6+20.6+25.2+21.2=[0.87.4382.25(35.85-2.25)]/125.2+1.2+10.4+2.4=16.386319.2=16.3863=0.8533、配筋計(jì)算:截面有效高度:支座截面有效高度取,跨中截面短跨方向取,在長(zhǎng)跨方向取??紤]到連續(xù)板的內(nèi)拱作用,對(duì)D、E區(qū)格板及D-D、E-E支座彎矩減少20%,其余均不予折減。為便于計(jì)算,近似取則。截面配筋計(jì)算結(jié)果及實(shí)際配筋列于下表。表3截面()選配鋼筋實(shí)配面積跨中A區(qū)格方向方向7.5563.4568070473247φ10@160φ8@200491251B區(qū)格方向方向7.3483.6988070460265φ10@160φ8@180491279C區(qū)格方向方向2.1780.809807013658φ6@200φ6@200141141D區(qū)格方向方向2.158*0.8=1.7260.838*0.8=0.670807010848φ6@200φ6@200141141E區(qū)格方向方向0.853*0.8=0.6820.512*0.8=0.41080704329φ6@200φ6@200141141F區(qū)格方向方向9.0878.3668070569597φ12@200φ6@180565628支座B-A支座-13.89980871φ10@90872C-A支座-10.00580627φ10@120654B—B支座-10.11680634φ10@120654D—B支座-13.38380839φ10@90872B--F支座-18.101801134φ12@1001131D—C支座-2.44680153φ8@200251D--D支座-2.446*0.8=-1.95780123φ6@200141E--D支座-2.44680153φ8@200251E--F支座-18.101801134φ12@10011314、板的配筋圖:見(jiàn)結(jié)施-1三、樓梯的設(shè)計(jì)與計(jì)算1、樓梯布置圖2樓梯設(shè)計(jì)按板式樓梯設(shè)計(jì),其標(biāo)準(zhǔn)平面布置如上圖所示。2、樓梯的設(shè)計(jì)樓梯踏步尺寸的設(shè)計(jì):樓梯梯段長(zhǎng)度:由于標(biāo)準(zhǔn)層高為3.3m,所以每跑為,按每跑11步則設(shè)踢面高。取踏面寬,則梯段長(zhǎng)度為。3、樓梯的計(jì)算(1)基本設(shè)計(jì)資料根據(jù)《建筑結(jié)構(gòu)荷載規(guī)范》(GB50009-2001)的規(guī)定,樓梯活荷載標(biāo)準(zhǔn)值為,組合值系數(shù),準(zhǔn)永久值系數(shù)為.(2)基本設(shè)計(jì)參數(shù)的確定采用C25混凝土(),鋼筋為HPB235級(jí)()和HRB335級(jí)()。板面為水磨石面層:自重標(biāo)準(zhǔn)值為,板底為厚混合砂漿:自重標(biāo)準(zhǔn)值為。踏步板厚:取板厚。保護(hù)層厚度,則。板傾斜角。(3)踏步板TB—1設(shè)計(jì)取板寬進(jìn)行計(jì)算1)荷載計(jì)算水磨石面層三角形踏步混凝土斜板板底抹灰恒荷載標(biāo)準(zhǔn)值恒荷載設(shè)計(jì)值活荷載標(biāo)準(zhǔn)值活荷載設(shè)計(jì)值荷載總設(shè)計(jì)值2)內(nèi)力計(jì)算由于則踏步板的荷載效應(yīng)由永久荷載效應(yīng)控制。水平投影計(jì)算跨度為:跨中彎矩設(shè)計(jì)值:3)配筋計(jì)算板有效高度:選配另外每踏步配一根分布鋼筋(配筋圖見(jiàn)結(jié)施-2)。(4)平臺(tái)板TB—2設(shè)計(jì)1)確定板厚
取板厚h=80mm.板跨度:取1m寬板帶進(jìn)行計(jì)算2)荷載計(jì)算恒荷載水磨石面層平臺(tái)板自重板底抹灰恒荷載標(biāo)準(zhǔn)值恒荷載設(shè)計(jì)值活荷載標(biāo)準(zhǔn)值活荷載設(shè)計(jì)值荷載總設(shè)計(jì)值3)內(nèi)力計(jì)算跨中彎矩:4)配筋計(jì)算板有效高度:選配(配筋圖見(jiàn)結(jié)施-2)。(5)平臺(tái)板TB—3設(shè)計(jì)1)確定板厚
取板厚h=80mm.板跨度:取1m寬板帶進(jìn)行計(jì)算2)荷載計(jì)算恒荷載水磨石面層平臺(tái)板自重板底抹灰恒荷載標(biāo)準(zhǔn)值恒荷載設(shè)計(jì)值活荷載標(biāo)準(zhǔn)值活荷載設(shè)計(jì)值荷載總設(shè)計(jì)值3)內(nèi)力計(jì)算跨中彎矩:4)配筋計(jì)算板有效高度:選配(配筋圖見(jiàn)結(jié)施-2)。(6)平臺(tái)梁TL-1設(shè)計(jì)1)確定梁尺寸平臺(tái)梁截面選梁跨度:取較小者2)荷載計(jì)算梯段板傳來(lái)平臺(tái)板傳來(lái)平臺(tái)梁自重平臺(tái)梁底部側(cè)面粉刷重荷載總設(shè)計(jì)值3)內(nèi)力計(jì)算跨中彎矩設(shè)計(jì)值支座剪力設(shè)計(jì)值4)配筋計(jì)算按倒L形截面計(jì)算:故取受壓翼緣計(jì)算寬度平臺(tái)梁有效高度:所以屬于第一類T形截面選配325,實(shí)配斜截面受剪承載力計(jì)算:截面尺寸滿足要求。需配置腹筋,選用雙肢箍筋,則符合要求。由于,需配置架立鋼筋。(7)平臺(tái)梁TL-2設(shè)計(jì)1)確定梁尺寸平臺(tái)梁截面選梁跨度:取較小者2)荷載計(jì)算梯段板傳來(lái)平臺(tái)板傳來(lái)平臺(tái)梁自重平臺(tái)梁底部側(cè)面粉刷重荷載總設(shè)計(jì)值3)內(nèi)力計(jì)算跨中彎矩設(shè)計(jì)值支座剪力設(shè)計(jì)值4)配筋計(jì)算按倒L形截面計(jì)算:故取受壓翼緣計(jì)算寬度。平臺(tái)梁有效高度:所以屬于第一類T形截面選配225+122,實(shí)配斜截面受剪承載力計(jì)算:截面尺寸滿足要求。需配置腹筋,選用雙肢箍筋,則符合要求。由于,需配置架立鋼筋。4、樓梯的配筋圖詳見(jiàn)結(jié)構(gòu)施工圖—2。四、框架結(jié)構(gòu)的設(shè)計(jì)及計(jì)算圖3框架計(jì)算單元(一)、水平地震作用下內(nèi)力計(jì)算1、基本設(shè)計(jì)資料:混凝土采用C25()??v向受力鋼筋采用熱扎鋼筋HRB400(),其余鋼筋采用HPB235()。墻體采用蒸壓加氣混凝土砌塊,其尺寸為,重度。窗采用鋁合金窗,重度。門(mén)采用鋼鐵門(mén),重度。2、梁柱尺寸的初步確定:框架橫梁截面尺寸:高度,取寬度2)柱截面尺寸定為3、計(jì)算簡(jiǎn)圖(為簡(jiǎn)化施工,各柱截面從底層到頂層不改變),現(xiàn)以第五軸線框架進(jìn)行計(jì)算??蚣苤豆逃诨A(chǔ)頂面,框架柱與梁連接。由于各層柱的截面尺寸不變,故梁跨等于柱截面形心軸線之間的距離。底層柱高從基礎(chǔ)頂面算至二層樓面,室內(nèi)外高差為,基礎(chǔ)頂面至室外地坪取,故底層柱高為,其余各層柱高從樓面算至上一層樓面為。4、框架梁柱的線剛度計(jì)算由于樓面板與框架梁的混凝土一起澆筑,對(duì)于中框架梁取。邊跨梁中跨梁底層柱其余各層柱令,則其余各桿件的相對(duì)線剛度為:圖4計(jì)算簡(jiǎn)圖5、荷載計(jì)算(1)恒載標(biāo)準(zhǔn)值計(jì)算1)屋面找平層:厚水泥砂漿防水層(剛性):厚細(xì)石混凝土防水防水層(柔性):三氈四油鋪小石子找平層:厚水泥砂漿找坡層:厚水泥石灰焦渣砂漿找平保溫層:厚礦渣結(jié)構(gòu)層:厚現(xiàn)澆鋼筋混凝土板抹灰層:厚混合砂漿合計(jì):2)各層走廊樓面厚面層水磨石地面水泥砂漿打底素水泥漿結(jié)合層一道結(jié)構(gòu)層:厚現(xiàn)澆鋼筋混凝土板抹灰層:厚混合砂漿合計(jì):3)標(biāo)準(zhǔn)層樓面大理石面層,水泥砂漿擦縫厚干硬性水泥砂漿,面上撒厚素水泥水泥漿結(jié)合層一道結(jié)構(gòu)層:厚現(xiàn)澆鋼筋混凝土板抹灰層:混合砂漿合計(jì):4)梁自重自重:抹灰層:厚混合砂漿合計(jì):5)柱自重自重:抹灰層:厚混合砂漿合計(jì):6)外縱墻自重標(biāo)準(zhǔn)層縱墻:鋁合金窗:水刷石外墻面:水泥粉刷內(nèi)墻面:合計(jì):底層縱墻:鋁合金窗:水刷石外墻面:水泥粉刷內(nèi)墻面:合計(jì):7)內(nèi)縱墻自重標(biāo)準(zhǔn)層內(nèi)縱墻:水泥粉刷內(nèi)墻面:合計(jì):底層內(nèi)縱墻:水泥粉刷內(nèi)墻面:合計(jì):8)內(nèi)隔墻自重標(biāo)準(zhǔn)層內(nèi)隔墻:水泥粉刷內(nèi)墻面:合計(jì):底層內(nèi)隔墻:水泥粉刷墻面:合計(jì):9)女兒墻自重女兒墻:水泥粉刷內(nèi)墻面:合計(jì):(2)活荷載標(biāo)準(zhǔn)值計(jì)算1)屋面和樓面活荷載標(biāo)準(zhǔn)值由《荷載規(guī)范》查得:不上人屋面:樓面:走廊:2)雪荷載標(biāo)準(zhǔn)值:(3)水平地震作用計(jì)算該建筑高度為,以剪切變形為主,且質(zhì)量和剛度沿高度均勻分布,故可用底部剪力法計(jì)算。1)重力荷載代表值的計(jì)算屋面處重力荷載代表值=結(jié)構(gòu)和構(gòu)配件自重標(biāo)準(zhǔn)值+0.5×雪荷載標(biāo)準(zhǔn)值樓面處重力荷載代表值=結(jié)構(gòu)和構(gòu)配件自重標(biāo)準(zhǔn)值+0.5×樓面活荷載標(biāo)準(zhǔn)值其中結(jié)構(gòu)和構(gòu)配件自重取樓面上、下各半層高范圍內(nèi)(屋面處取頂層一半)的結(jié)構(gòu)及構(gòu)配件的自重。屋面處的重力荷載標(biāo)準(zhǔn)值計(jì)算女兒墻的重力荷載代表值:屋面板結(jié)構(gòu)及構(gòu)造層自重標(biāo)準(zhǔn)值:頂層墻重:2>其余各層樓面處重力荷載標(biāo)準(zhǔn)值的計(jì)算3>底層樓面處重力荷載標(biāo)準(zhǔn)值的計(jì)算4>屋頂雪荷載標(biāo)準(zhǔn)值的計(jì)算5>樓面板活荷載標(biāo)準(zhǔn)值的計(jì)算6>總重力荷載代表值的計(jì)算屋面處;屋面處結(jié)構(gòu)和構(gòu)件自重雪荷載標(biāo)準(zhǔn)值樓面處:樓面處結(jié)構(gòu)和構(gòu)件自重活荷載標(biāo)準(zhǔn)值底層處:底層樓面處結(jié)構(gòu)和構(gòu)件自重活荷載標(biāo)準(zhǔn)值故各質(zhì)點(diǎn)的重力荷載代表值如圖5圖5重力荷載代表值圖(二)、框架柱抗側(cè)剛度D和結(jié)構(gòu)基本自震周期計(jì)算1)橫向抗側(cè)剛度D值計(jì)算表4橫向2-5層D值的計(jì)算構(gòu)件名稱A軸柱B軸柱C軸柱D軸柱表5橫向底層D值的計(jì)算構(gòu)件名稱A軸柱B軸柱C軸柱D軸柱表6橫向2-5層總D值的計(jì)算構(gòu)件名稱D值數(shù)量A軸柱2082610208260B軸柱3185510318550C軸柱3185510318550D軸柱2082610208260表7橫向底層總D值的計(jì)算構(gòu)件名稱D值數(shù)量A軸柱13028.5710130285.7B軸柱20228.5710202285.7C軸柱20228.5710202285.7D軸柱13028.5710130285.72)結(jié)構(gòu)基本自振周期計(jì)算用能量法計(jì)算:表8能量法計(jì)算結(jié)果層號(hào)59742.59849742.598410536200.0090.1681636.76274.9849854.475619597.07410536200.0190.1591566.86249.1339854.475629451.549610536200.0280.1401379.63193.1529854.475639306.025210536200.0370.1121103.70123.61110581.894849887.92665142.80.0750.075793.6459.526480.59900.39結(jié)構(gòu)基本自振周期考慮非結(jié)構(gòu)墻影響折減系數(shù),則結(jié)構(gòu)的基本自振周期為:3)多遇水平地震作用計(jì)算由于該工程所在地區(qū)抗震設(shè)防烈度為8度第二組,場(chǎng)地為Ⅱ類,由《建筑抗震設(shè)計(jì)規(guī)范》查得:,由于,故不必考慮頂部附加水平地震作用,即。結(jié)構(gòu)總水平地震作用標(biāo)準(zhǔn)值:圖6樓層水平地震作用標(biāo)準(zhǔn)值圖質(zhì)點(diǎn)的水平地震作用標(biāo)準(zhǔn)值,樓層地震剪力及樓層層間位移的計(jì)算見(jiàn)表9,表9和的計(jì)算層號(hào)()(m)()()(m)59742.598417.4169521.21533250.190.3181887.861887.8610536200.001849854.475614.1138948.11533250.190.2611549.473437.3310536200.003339854.475610.8106428.34533250.190.2001187.334624.6610536200.004429854.47567.573908.57533250.190.139825.205449.8610536200.0052110581.89484.244443.96533250.190.083492.745942.60665142.80.0075樓層最大位移與樓層層高之比:,滿足位移要求。4)框架地震內(nèi)力計(jì)算框架柱剪力和柱端彎矩計(jì)算采D值法表10A軸框架柱反彎點(diǎn)位置層號(hào)53.30.480.240000.240.79243.30.480.340000.341.12233.30.480.400000.401.3223.30.480.5000-0.0250.4751.567514.20.220.750-0.02500.7253.045表11B軸框架柱反彎點(diǎn)位置計(jì)算層號(hào)53.31.850.390000.391.28743.31.850.440000.441.45233.31.850.490000.491.61723.31.850.500000.501.6514.20.840.5650-0.02500.542.268表12C軸框架柱反彎點(diǎn)位置計(jì)算層號(hào)53.31.850.390000.391.28743.31.850.440000.441.45233.31.850.490000.491.61723.31.850.500000.501.6514.20.840.5650-0.02500.542.268表13D軸框架柱反彎點(diǎn)位置計(jì)算層號(hào)53.30.480.240000.240.79243.30.480.340000.341.12233.30.480.400000.401.3223.30.480.5000-0.0250.4751.567514.20.220.750-0.02500.7253.045公式:;;表14橫向水平地震荷載作用下A軸框架柱剪力和柱端彎矩的計(jì)算層號(hào)51887.861053620208260.02037.760.2494.7029.9143437.331053620208260.02068.750.34149.7477.1434624.661053620208260.02092.490.40183.13122.0925449.861053620208260.020109.000.475188.84170.8615942.60665142.813028.570.020118.850.725137.27361.90表15橫向水平地震荷載作用下B軸框架柱剪力和柱端彎矩的計(jì)算層號(hào)51887.861053620318550.03056.640.39114.0272.9043437.331053620318550.030112.120.44207.20162.8034624.661053620318550.030138.740.49233.50224.3425449.861053620318550.030163.500.50269.78269.7815942.60665142.820228.570.030178.280.54344.44404.34表16橫向水平地震荷載作用下C軸框架柱剪力和柱端彎矩的計(jì)算層號(hào)51887.861053620318550.03056.640.39114.0272.9043437.331053620318550.030112.120.44207.20162.8034624.661053620318550.030138.740.49233.50224.3425449.861053620318550.030163.500.50269.78269.7815942.60665142.820228.570.030178.280.54344.44404.34表17橫向水平地震荷載作用下D軸框架柱剪力和柱端彎矩的計(jì)算層號(hào)51887.861053620208260.02037.760.2494.7093.6843437.331053620208260.02068.750.34149.7477.1434624.661053620208260.02092.490.40183.13122.0925449.861053620208260.020109.000.475188.84170.8615942.60665142.813028.570.020118.850.725137.27361.90框架梁端彎矩和梁剪力以及柱軸力的計(jì)算過(guò)程和計(jì)算結(jié)果見(jiàn)表18公式:梁端彎矩:梁剪力:柱軸力:表18框架梁端彎矩和梁剪力以及柱軸力標(biāo)準(zhǔn)值層號(hào)AB跨梁端剪力BC跨梁端剪力柱軸力56.994.7093.6818.012.484.4684.4670.38-18.01-52.3746.9179.6572.6236.562.4207.48207.48172.87-54.57-188.6836.9260.27102.7452.612.4293.56293.56244.63-107.18-380.726.9310.93128.1163.632.4366.01366.01305.01-170.81-622.0816.9308.13159.2467.732.4454.98454.98379.15-238.54-933.5橫向水平地震作用下的彎矩,剪力和軸力圖分別為圖7,圖8,圖9。圖7橫向水平地震作用下的彎矩圖圖8橫向水平地震作用下的剪力圖圖9橫向水平地震作用下的軸力圖(三)、豎向荷載作用下內(nèi)力計(jì)算確定板傳給梁的荷載時(shí),要一個(gè)區(qū)格板一個(gè)區(qū)格板的考慮。本設(shè)計(jì)中均為雙向板,沿四角點(diǎn)作線,將區(qū)格板分為四個(gè)小塊,每小塊板上的荷載傳遞給與之相鄰的梁。本結(jié)構(gòu)中所選框架的屋面荷載傳遞示意圖見(jiàn)圖10所示。圖10(1)A軸-B軸間框架梁的荷載為:屋面板傳給梁的荷載:恒載:活載:樓面板傳給梁的荷載:恒載:活載:梁自重標(biāo)準(zhǔn)值:A軸~B軸間框架梁的荷載為:屋面梁恒載=梁自重+板傳荷載=活載=板傳荷載=樓面梁恒載=梁自重+板傳荷載=活載=板傳荷載(2)B軸~C軸間框架梁屋面板傳給梁的荷載:恒載:活載:樓面板傳給梁的荷載:恒載:活載:梁自重標(biāo)準(zhǔn)值:B軸~C軸間框架梁的荷載為:屋面梁:恒載=梁自重+板傳荷載=活載=板傳荷載樓面梁:恒載=梁自重+板傳荷載活載=板傳荷載(3)C軸~D軸間框架梁的計(jì)算同A軸~B軸梁的計(jì)算(4)A軸柱縱向集中荷載的計(jì)算頂層柱恒載=女兒墻自重+梁自重+板傳荷載=頂層柱活載=板傳活載==標(biāo)準(zhǔn)層柱恒載=墻自重+梁自重+板傳荷載=標(biāo)準(zhǔn)層柱活載=板傳活載==基礎(chǔ)頂面恒載=底層外縱墻自重=(5)B軸柱縱向集中荷載的計(jì)算頂層柱恒載=梁自重+板傳荷載==頂層柱活載=板傳活載==標(biāo)準(zhǔn)層柱恒載=墻自重+梁自重+板傳荷載==標(biāo)準(zhǔn)層柱活載=板傳活載==基礎(chǔ)頂面恒載=底層內(nèi)隔墻自重=(6)A、D軸縱向集中荷載的計(jì)算頂層柱恒載=69.03頂層柱活載=11.03標(biāo)準(zhǔn)層柱荷載=78.62標(biāo)準(zhǔn)層柱荷載=11.03基礎(chǔ)頂層恒載=53.57(7)B、C軸縱向集中荷載的計(jì)算頂層柱恒載=81.68頂層柱活載=19.56標(biāo)準(zhǔn)層柱荷載=82.57標(biāo)準(zhǔn)層柱荷載=21.72基礎(chǔ)頂層恒載=51.32(8)C柱縱向集中荷載的計(jì)算同B柱,D柱同A柱??蚣茉谪Q向荷載作用下的受荷總圖如11。由于A,C兩軸的縱梁外邊線分別與該兩柱的外邊線齊平,故此二軸上的豎向荷載與柱軸線偏心,A、D軸的偏心距為,B、C軸的偏心距為。圖11豎向荷載作用下的受荷總圖2重力荷載代表值的計(jì)算(1)作用于屋面處均布重力荷載代表值的計(jì)算恒載:活載:(2)作用于樓面處均布重力荷載代表值的計(jì)算恒載:活載:(3)由均布荷載代表值在屋面處引起的固端彎矩恒載:活載:(4)由均布何載代表值在樓面處引起的固端彎矩恒載:活載:(5)分配系數(shù)的計(jì)算本結(jié)構(gòu)采用二次彎矩分配法計(jì)算框架梁、柱端彎矩值,將不平衡彎矩分配兩次傳遞一次。由于框架對(duì)稱,固截取框架一半作為計(jì)算單元,截取位置轉(zhuǎn)化為定向支承。表19分配系數(shù)的計(jì)算層號(hào)相對(duì)線剛度i分配系數(shù)uA(D)軸B(C)軸A(D)軸B(C)軸上柱下柱右梁左梁上柱下柱右梁上柱下柱右梁左梁上柱下柱右梁頂層—0.730.350.35—0.730.35—0.680.320.24—0.520.24標(biāo)準(zhǔn)層0.730.730.350.350.730.730.350.400.400.200.160.340.340.16底層0.730.800.350.350.730.800.350.390.430.180.160.320.360.16圖12恒載作用下橫向框架彎矩的二次分配圖圖13活載作用下橫向框架彎矩的二次分配圖(6)梁端剪力及柱軸力的計(jì)算表20豎向恒載作用下AB跨梁端剪力的計(jì)算層號(hào)534.186.9117.921.87116.05117.79423.246.980.180.07110.2280.25323.246.980.180.4479.7480.62223.246.980.180.4479.7480.62123.246.980.180.3079.8880.48表21豎向恒載作用下BC跨梁端剪力的計(jì)算層號(hào)517.172.420.60020.6020.60412.562.415.07015.0715.07312.562.415.07015.0715.07212.562.415.07015.0715.07112.562.415.07015.0715.07表22豎向恒載作用下CD跨梁端剪力的計(jì)算層號(hào)534.186.9117.921.87116.05117.79423.246.980.180.07110.2280.25323.246.980.180.4479.7480.62223.246.980.180.4479.7480.62123.246.980.180.3079.8880.48表23豎向活載作用下AB跨梁端剪力的計(jì)算層號(hào)59.956.934.330.4833.8534.8149.956.934.330.1134.2234.4439.956.934.330.1934.1434.5229.956.934.330.1934.1434.5219.956.934.330.1234.2134.45表24豎向活載作用下BC跨梁端剪力的計(jì)算層號(hào)54.202.45.0405.045.0445.252.46.3006.306.3035.252.46.3006.306.3025.252.46.3006.306.3015.252.46.3006.306.30表25豎向活載作用下CD跨梁端剪力的計(jì)算層號(hào)59.956.934.330.4833.8534.8149.956.934.330.1134.2234.4439.956.934.330.1934.1434.5229.956.934.330.1934.1434.5219.956.934.330.1234.2134.45表26重力荷載代表值下各軸柱剪力計(jì)算層號(hào)恒載活載A軸柱B軸柱C軸柱D軸柱A軸柱B軸柱C軸柱D軸柱551.0443.6843.6851.0416.4614.3514.3516.46422.9122.0222.0222.9110.579.919.9110.57326.3224.0124.0126.3211.2710.3010.3011.27228.1724.6424.6428.1712.0610.5710.5712.06112.3911.1511.1512.395.314.784.785.31表27恒載作用下A、D柱軸向力的計(jì)算層號(hào)柱端橫梁傳剪力縱向集中荷載柱自重柱軸力5上端116.0569.0331.05185.08185.08下端216.13216.134上端80.1178.6231.05158.73343.81下端189.78374.863上端79.7478.6231.05158.36502.17下端189.41533.222上端79.7478.6231.05158.36660.53下端189.41691.581上端79.8878.6239.52158.50819.03下端198.02858.55表28恒載作用下B、C柱軸向力的計(jì)算層號(hào)柱端橫梁傳剪力縱向集中荷載柱自重柱軸力左梁右梁5上端119.7920.6081.6831.05222.07222.07下端253.12253.124上端80.2515.0782.5731.05177.89399.96下端208.94431.013上端80.6215.0782.5731.05178.26578.22下端209.31609.272上端80.6215.0782.5731.05178.26756.48下端209.31787.531上端80.4815.0782.5739.52178.12934.60下端217.64974.12表29活載作用下A、D柱軸向力的計(jì)算層號(hào)柱端橫梁傳剪力縱向集中荷載柱自重柱軸力5上端33.8511.0331.0544.8844.88下端75.9375.934上端34.2211.0331.0545.2590.13下端76.30121.183上端34.1411.0331.0545.17135.30下端76.22166.352上端34.1411.0331.0545.17180.47下端76.22211.521上端34.2111.0339.5245.24225.71下端84.76256.76表30活載作用下B、C柱軸向力的計(jì)算層號(hào)柱端橫梁傳剪力縱向集中荷載柱自重柱軸力左梁右梁5上端34.815.0419.5631.0559.4159.41下端90.4690.464上端34.446.3025.7231.0566.46125.87下端97.51156.923上端34.526.3025.7231.0566.54192.41下端97.59223.462上端34.526.3025.7231.0566.54258.95下端97.59290.001上端34.456.3025.7239.5266.47325.42下端105.99364.94圖14恒載作用代表值下M圖圖15活載作用代表值下M圖某綜合辦公樓建筑結(jié)構(gòu)設(shè)計(jì)(方案一)李小強(qiáng)五、內(nèi)力組合及梁柱配筋計(jì)算各種荷載情況下的內(nèi)力求得后,根據(jù)最不利又是可能的原則進(jìn)行內(nèi)力組合。當(dāng)考慮結(jié)構(gòu)塑性內(nèi)力重分布的有利影響時(shí),應(yīng)在內(nèi)力組合前對(duì)豎向荷載下的內(nèi)力進(jìn)行調(diào)幅。當(dāng)有地震作用時(shí)應(yīng)當(dāng)考慮恒荷載和活荷載由可變荷載效應(yīng)控制組合,有永久荷載控制效應(yīng)的組合,并比較三種內(nèi)力的組合,取得最不利由于構(gòu)件控制截面的內(nèi)力值應(yīng)取自支左邊緣處,為此在進(jìn)行許和前應(yīng)先計(jì)算各控制截面處的內(nèi)力值。具體組合方法見(jiàn)下表:PAGE59PAGE59某綜合辦公樓建筑結(jié)構(gòu)設(shè)計(jì)(方案一)李小強(qiáng)層號(hào)截面位置內(nèi)力→←五層M-92.23-27.5794.7012.82-171.84-119.80-123.44111.92V116.0533.8518.0182.17117.29149.90154.73M-103.17-30.3693.68-180.102.58-133.53-137.74V119.7934.8118.01120.4685.34154.60159.62M-24.55-6.4684.4661.51-103.18-31.01-32.2331.08V20.605.0470.38-51.2885.9625.6426.77M-24.55-6.4684.46-103.1861.51-31.01-32.23V20.605.0470.3885.96-51.2825.6426.77M-103.17-30.3693.682.58-180.10-133.53-137.74111.92V119.7934.8118.0185.34120.46154.60159.62DM-92.23-27.5794.70-171.8412.82-119.80-123.44V116.0533.8518.01117.2982.17149.90154.73四層M-78.36-33.13179.65103.97-246.35-111.49-111.8190.96V80.1134.4436.5637.35108.64114.55114.71M-78.78-3.4172.62-131.1710.44-82.19-91.06V80.256.3036.5698.2026.9086.5594.78M-6.68-3.41207.48196.00-208.58-10.09-9.9516.02V15.076.30172.87-154.88182.2121.3721.45M-6.68-3.41207.48-208.58196.00-10.09-9.95V15.076.30172.87182.21-154.8821.3721.45M-78.78-3.4172.6210.44-131.17-82.19-91.0690.96V80.256.3036.5626.9098.2086.5594.78DM-78.36-33.13179.65-246.35103.97-111.49-111.81V80.1134.4436.56108.6437.35114.55114.71表31彎矩剪力組合PAGE65PAGE65某綜合辦公樓建筑結(jié)構(gòu)設(shè)計(jì)(方案一)李小強(qiáng)層號(hào)截面位置內(nèi)力→←三層M-73.66-31.54260.27186.69-320.84-105.20-105.3998.31V79.7434.1452.6121.31123.90113.88114.08M-76.28-32.67102.74-169.6330.71-108.95-109.14V80.6234.5252.61124.7022.12115.14115.34M-9.18-3.88293.56277.88-294.56-13.06-13.1017.56V15.076.30244.63-224.85252.1821.3721.45M-9.18-3.88293.56-294.56277.88-13.06-13.10V15.076.30244.63252.18-224.8521.3721.45M-76.28-32.67102.7430.71-169.63-108.95-109.1498.31V80.6234.5252.6122.12124.70115.14115.34DM-73.66-31.54260.27-320.84186.69-105.20-105.39V79.7434.1452.61123.9021.31113.88114.08二層M-73.58-31.50310.93236.16-370.15-105.08-105.27101.50V79.7434.1463.6310.57134.65113.88114.08M-76.16-32.61128.11-194.2655.56-108.77-108.96V80.6234.5263.63135.4511.37115.14115.34M-9.31-3.93366.01348.40-365.32-13.24-13.2817.65V15.076.30305.04-283.75311.0821.3721.45M-9.31-3.93366.01-365.32348.40-13.24-13.28V15.076.30305.04311.08-283.7521.3721.45M-76.16-32.61128.1155.56-194.26-108.77-108.96101.50V80.6234.5263.6311.37135.45115.14115.34DM-73.58-31.50310.93-370.15236.16-105.08-105.27V79.7434.1463.63134.6510.57113.88114.08層號(hào)截面位置內(nèi)力→←一層M-73.64-30.80308.13233.65-367.21-104.44-104.8493.07V79.8834.2167.736.70138.78114.09114.29M-36.04-31.53159.24-194.11116.41-67.57-63.06V80.4834.4567.73139.327.24114.93115.14M-11.06-4.66454.98433.56-453.65-15.72-15.7718.84V15.076.30379.15-356.01383.3421.3721.45M-11.06-4.66454.98-453.65433.56-15.72-15.77V15.076.30379.15383.34-356.0121.3721.45M-36.04-31.53159.24116.41-194.11-67.57-63.0693.07V80.4834.4567.737.24139.32114.93115.14DM-73.64-30.80308.13-367.21233.65-104.44-104.84V79.8834.2167.73138.786.70114.09114.29表32A、D軸柱彎矩和軸力組合表層號(hào)截面內(nèi)力NMM→←5柱頂M108.5132.4494.701.30198.27140.95145.24198.271.30145.24N185.0844.8818.01147.29184.75229.96240.26184.75147.29240.26柱底M-59.93-21.8729.21-26.31-87.07-81.80-83.04-83.04-26.31-83.04N216.1375.9318.01184.55222.01292.06297.36297.36184.55297.364柱頂M32.2616.34150.44-124.11188.8048.6047.96188.80-124.1147.96N343.8190.1354.57254.35367.85433.94451.14367.85254.35451.14柱底M-43.33-18.5577.1438.14-122.31-61.88-61.99-122.3138.14-61.88N121.1834.8654.57167.6454.14156.04161.2254.14167.64156.043柱頂M43.3318.55204.33-170.42254.5961.8861.99254.59-170.4261.99N502.17135.30107.18344.39567.32637.47661.55567.32344.39661.55柱底M-43.51-18.63122.0984.71-169.23-62.14-62.25-169.2384.71-62.25N533.22166.35107.18381.65604.58699.57718.65604.58381.65718.652柱頂M43.0518.43188.84-154.58238.2161.4861.59238.21-154.5861.59N660.53180.47170.86422.92778.31841.00871.95778.31422.92871.95柱底M-49.90-21.37170.86129.23-226.16-71.27-71.40-226.16129.33-71.40N691.58211.52170.81460.23815.51903.10929.05815.51460.23929.051柱頂M34.6814.86137.27-109.07176.4549.5449.63176.45-109.0749.63N819.03225.71238.54497.43993.591044.741082.57993.59497.431082.57柱底M-17.34-7.43361.90359.53-393.22-24.77-24.81-393.22359.53-24.81N858.55256.76238.54541.461037.631115.311149.201037.63541.461149.20表33B、C軸柱彎矩和軸力組合表層號(hào)截面內(nèi)力NMM→←5柱頂M-92.50-28.13114.02-203.8333.33-120.63-124.15-203.83-203.83-124.15N222.0759.1452.37146.85255.78281.21292.05146.85146.85292.05柱底M51.6619.2172.90124.83-26.8070.8771.83124.83124.8371.83N253.1290.4652.37184.22293.14343.58349.35184.22184.22349.354柱頂M-33.19-15.76207.20-248.34182.63-48.95-48.59-248.34-248.34-48.59N399.96125.87188.68174.09566.54525.83539.83174.09174.09539.83柱底M39.4716.93162.80207.66-130.9656.4056.49207.66207.6656.49N431.01156.92188.68211.35603.80587.93596.93211.35211.35596.933柱頂M-39.47-16.93233.50-281.19204.49-56.40-56.49-281.19-281.19-56.49N578.22192.41380.70143.61935.47770.63787.88143.61143.61787.88柱底M39.7517.06224.34271.94-194.6956.8156.90271.94271.9456.90N609.27223.46380.70180.87972.73832.73844.98180.87180.87844.982柱頂M-38.90-16.69269.78-318.37242.78-55.59-55.68-318.37-318.37-55.68N756.48258.95622.08618.021355.731015.431035.93618.0261.801035.93柱底M42.4018.19269.78321.77-239.3860.5960.69321.77321.7760.69N787.53290.00622.08990.601392.991077.531093.03990.699.061093.031柱頂M-31.22-13.39344.44-388.55327.89-44.61-44.68-388.55-388.55-44.68N934.60325.42933.15926.301848.321260.021283.77926.32926.301283.77柱底M15.616.695404.34435.68-405.3522.3122.34435.68435.6822.34N974.12364.94933.151045.201895.751339.061356.451045.201045.201356.45表34橫向框架A軸柱、D軸柱剪力得組合層號(hào)→←5-51.04-16.4637.76-8.15-86.69-67.50-69.1730.334-22.91-10.5768.7548.94-94.06-33.48-33.3225.013-26.32-11.2792.4970.63-121.75-37.59-37.6624.932-28.17-12.06109.0086.00-140.72-40.23-40.307.341-12.39-5.31118.85111.57-135.64-17.70-17.7356.57表35橫向框架B軸柱、C軸柱剪力得組合層號(hào)→←543.6814.3556.6499.59-18.2258.0359.3922.98422.029.91112.12138.18-95.0231.9331.8515.03324.0110.30138.74167.62-120.9634.3134.372.85224.6410.57163.50193.98-146.1035.2135.270.99111.154.78178.28196.24-174.5815.9315.9617.50某綜合辦公樓建筑結(jié)構(gòu)設(shè)計(jì)(方案一)李小強(qiáng)某綜合辦公樓建筑結(jié)構(gòu)設(shè)計(jì)李小強(qiáng)某綜合辦公樓建筑結(jié)構(gòu)設(shè)計(jì)李小強(qiáng)PAGE92一、梁配筋計(jì)算:1.以第一層5~5軸線AB跨框架梁為例,說(shuō)明計(jì)算方法和過(guò)程。梁的正截面受彎承載力計(jì)算將支座中心處的彎矩?fù)Q算為支座邊緣控制截面的彎矩進(jìn)行配筋計(jì)算支座彎矩:跨間彎矩:跨間彎矩取控制截面,即支座邊緣處的正彎矩,則支座邊緣處本例為邊框架梁且一面帶懸挑梁,按T型截面設(shè)計(jì),縱向受力筋選用HRB400(=360N/mm2)1).確定翼緣計(jì)算寬度按梁跨度考慮=按梁凈距考慮=按翼緣寬度考慮故翼緣寬度不受此項(xiàng)限制。翼緣寬度取上述兩項(xiàng)中的較小值,即=20002).判別T型截面類型屬于第一類T型截面梁,按梁寬為的矩形截面計(jì)算3).計(jì)算鋼筋截面面積跨中:(滿足要求)選配:420>A支座:將下部跨間截面420鋼筋伸入支座.作為支座負(fù)彎矩作用下的受壓鋼筋()再計(jì)算相應(yīng)的受拉鋼筋<受壓鋼筋應(yīng)力不能達(dá)到抗壓強(qiáng)度設(shè)計(jì)值則取再取=0.按單筋截面計(jì)算.兩者中取較小值:選配425.因?yàn)樵摿?根據(jù)構(gòu)造要求需配置腰筋.可選用212B支座:將下部跨間截面420鋼筋伸入支座.作為支座負(fù)彎矩作用下的受壓鋼筋()再計(jì)算相應(yīng)的受拉鋼筋<受壓鋼筋應(yīng)力不能達(dá)到抗壓強(qiáng)度設(shè)計(jì)值則取再取=0.按單筋截面計(jì)算.兩者中取較小值:選配320.因?yàn)樵摿?根據(jù)構(gòu)造要求需配置腰筋.可選用2124).斜截面承載力計(jì)算截面尺寸驗(yàn)算截面尺寸滿足要求確定是否需按計(jì)算配箍筋.可以簡(jiǎn)化計(jì)算.按構(gòu)造要求配箍筋.選雙肢箍筋.故取d=8.取故箍筋選配為雙肢2.4~4軸線底層BC跨配筋計(jì)算支座彎矩:跨間彎矩:按T型截面設(shè)計(jì)縱向受力筋為1).確定翼緣計(jì)算寬度按梁跨度考慮=按梁凈距考慮=按翼緣寬度考慮故翼緣寬度不受此項(xiàng)限制。翼緣寬度取上述兩項(xiàng)中的較小值,即=8002).判別T型截面類型=故屬于第一類T型截面梁,按梁寬為的矩形截面計(jì)算.3).計(jì)算鋼筋截面面積跨中:(滿足要求)選配:222+225>B支座:將梁下部跨間截面222+225鋼筋伸入支座作為支座負(fù)彎矩作用下的受壓鋼筋.()再計(jì)算相應(yīng)的受拉鋼筋假定受拉筋為一排=332.37取對(duì)受壓鋼筋取矩再取即按單筋截面計(jì)算取兩者中的較小值,即取進(jìn)行配筋選配:325+122因?yàn)楣蔆支座配筋與B相同4).斜截面承載力計(jì)算截面尺寸驗(yàn)算截面尺寸滿足要求確定是否按計(jì)算配箍筋可以簡(jiǎn)化計(jì)算.按構(gòu)造要求配箍筋.選雙肢箍筋.故取d=8.取故箍筋選配為雙肢表36梁正截面鋼筋計(jì)算層號(hào)計(jì)算項(xiàng)目梁AB梁BC梁CD支座左跨間支座右支座左跨間支座右支座左跨間支座右1層M325.58231.64152.31338.648326.757338.648152.31231.64325.580.0630.0220.1110.0050.0890.0050.1110.0220.0630.9670.9890.9410.9970.9530.9970.9410.9890.96717067967961775168617757967961706實(shí)配鋼筋425420320325+122225+222325+12232042042519641256942185317421853942125619641.09%0.70%0.52%1.03%0.97%1.03%0.52%0.70%1.09%2層M3302331542722632721542333300.0660.0220.1120.0050.0720.0050.1120.0220.0660.9660.9890.9400.9970.9630.9970.9400.9890.9661730115880614261343142680611581730實(shí)配鋼筋425420320325220+22232532042042519641256942147313881473942125619641.09%0.70%0.52%0.82%0.77%0.82%0.52%0.70%1.09%5層M13712144774677144121370.0790.0010.1050.0560.0130.0560.1050.0010.0790.9590.9990.9440.9710.9930.9710.9440.9990.959711360750390360390750360711實(shí)配鋼筋3183143183143143143183143187634617634614614617634617630.42%0.26%0.42%0.26%0.26%0.26%0.42%0.26%0.42%表37框架梁箍筋計(jì)算層號(hào)截面(KN)(KN)實(shí)配鋼筋5111.92606-0.39231.08606-0.937111.91606-0.3922101.50606-0.46217.65606-1.03101.50606-0.462193.07606-0.51918.84606-1.0293.07606-0.519二、框架柱配筋計(jì)算軸壓比驗(yàn)算本框架柱抗震等級(jí)為二級(jí).其軸壓比限值為0.8以A軸柱為例,由表《柱彎矩和軸力組合表》查得:頂層柱:標(biāo)準(zhǔn)層柱:底層柱:滿足軸壓比限值的要求.正截面承載力計(jì)算以一層A軸柱為例.說(shuō)明計(jì)算方法和過(guò)程.1)第一組最不利計(jì)算.對(duì)底層柱的彎矩設(shè)計(jì)值應(yīng)考慮增大系數(shù)1.5計(jì)算:取則為長(zhǎng)柱,需計(jì)算所以 判別大小偏心>屬于大偏心受壓計(jì)算2)第二組最不利內(nèi)力計(jì)算計(jì)算:取則為長(zhǎng)柱,需計(jì)算所以判別大小偏心<按大偏心受壓計(jì)算:取則3)第三組最不利內(nèi)力計(jì)算計(jì)算:取為長(zhǎng)柱,需計(jì)算所以 判別大小偏心屬于小偏心則故按最小配筋率可滿足4)綜上所述,按第一組最不利內(nèi)力進(jìn)行配筋,即=2031選配428其余柱配筋見(jiàn)下表:表38柱配筋表層號(hào)項(xiàng)目A軸柱B軸柱NMMNMM1層M393.22359.5324.81435.68435.6822.34N1037.63541.461149.201045.201045.201895.7
溫馨提示
- 1. 本站所有資源如無(wú)特殊說(shuō)明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁(yè)內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒(méi)有圖紙預(yù)覽就沒(méi)有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 人人文庫(kù)網(wǎng)僅提供信息存儲(chǔ)空間,僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對(duì)用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
- 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請(qǐng)與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。
最新文檔
- 2024年幼兒園食品安全管理協(xié)議書(shū)
- 合作投資合同書(shū)示例
- 廣州市勞動(dòng)合同范本參考
- 2024燈飾采購(gòu)合同范文
- 安徽省淮南市七年級(jí)上學(xué)期語(yǔ)文期中試題3套【附答案】
- 提升機(jī)租賃合同樣式
- 2024抵押貸款合同協(xié)議書(shū)樣式
- 6.2 共筑生命家園(導(dǎo)學(xué)案) 2024-2025學(xué)年統(tǒng)編版道德與法治九年級(jí)上冊(cè)
- 購(gòu)房合同協(xié)議書(shū)范本
- 倉(cāng)庫(kù)租賃合同樣本
- 安徽省蕪湖市七年級(jí)上學(xué)期語(yǔ)文期中試卷(含答案)
- 兩癌知識(shí)科普課件
- 食用菌現(xiàn)代高效農(nóng)業(yè)示范園區(qū)建設(shè)項(xiàng)目建議書(shū)
- 東營(yíng)港加油、LNG加氣站工程環(huán)評(píng)報(bào)告表
- 2024年日歷(打印版每月一張)
- 車用動(dòng)力電池回收利用 管理規(guī)范 第2部分:回收服務(wù)網(wǎng)點(diǎn)征求意見(jiàn)稿編制說(shuō)明
- 新劍橋少兒英語(yǔ)第六冊(cè)全冊(cè)配套文本
- 科學(xué)預(yù)測(cè)方案
- 職業(yè)生涯規(guī)劃網(wǎng)絡(luò)與新媒體專業(yè)
- T-WAPIA 052.2-2023 無(wú)線局域網(wǎng)設(shè)備技術(shù)規(guī)范 第2部分:終端
- 市政管道開(kāi)槽施工-市政排水管道的施工
評(píng)論
0/150
提交評(píng)論