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1、摘 要剪力墻能同時(shí)承受豎向荷載和側(cè)向力,有很強(qiáng)的抗震能力,在我國(guó)應(yīng)用越來越廣泛,框架-剪力墻結(jié)構(gòu)集合了框架結(jié)構(gòu)和剪力墻結(jié)構(gòu)的優(yōu)勢(shì),已經(jīng)被越來越廣泛的應(yīng)用于包括大型商場(chǎng)、住宅、旅館、辦公樓等在內(nèi)的高層建筑。但與剪力墻有關(guān)的相關(guān)計(jì)算比較復(fù)雜,計(jì)算量較大,所以在設(shè)計(jì)剪力墻結(jié)構(gòu)或框架-剪力墻結(jié)構(gòu)時(shí),一般采用軟件計(jì)算。根據(jù)設(shè)計(jì)任務(wù)書的要求進(jìn)行了以框架-剪力墻為主體結(jié)構(gòu)的錦園賓館的建筑設(shè)計(jì)、結(jié)構(gòu)設(shè)計(jì)。設(shè)計(jì)過程遵循先建筑后結(jié)構(gòu)再基礎(chǔ)的順序進(jìn)行。建筑設(shè)計(jì),依據(jù)建筑總體規(guī)劃要求、建筑用地條件和基地周邊的環(huán)境特點(diǎn),首先設(shè)計(jì)建筑平面, 其次進(jìn)行立面造型、剖面設(shè)計(jì)。建筑設(shè)計(jì)應(yīng)滿足使用功能和造型藝術(shù)的要求,并適應(yīng)未來發(fā)

2、展與靈活改造的需要。錦園賓館主體結(jié)構(gòu)框架-剪力墻結(jié)構(gòu)體系,以現(xiàn)行的有關(guān)規(guī)范為依據(jù),進(jìn)行了剪力墻剛度計(jì)算,框架的剪切剛度計(jì)算,連梁的等效剪切剛度計(jì)算,主體結(jié)構(gòu)特征值的計(jì)算,風(fēng)荷載計(jì)算,水平地震荷載計(jì)算,豎向荷載計(jì)算,穩(wěn)定和抗傾覆驗(yàn)算,內(nèi)力組合,構(gòu)件截面設(shè)計(jì)等。為了弄清剪力墻計(jì)算的相關(guān)步驟和原理,本結(jié)構(gòu)主要采用手算的形式。最終完成構(gòu)件截面設(shè)計(jì)。設(shè)計(jì)計(jì)算整個(gè)過程中綜合考慮了技術(shù)經(jīng)濟(jì)指標(biāo)和施工工業(yè)化的要求,本工程屬于高層建筑,錦州地區(qū)位于7度抗震設(shè)防區(qū),所以計(jì)算時(shí)考慮抗震要求。關(guān)鍵詞:剪力墻;框架-剪力墻;結(jié)構(gòu)設(shè)計(jì);高層建筑abstractshear wall can bear vertical lo

3、ad and lateral force and has strong seismic capacity; while frame-shear wall structure is the combination of frame structure and shear wall structure which possesses some great advantages, so it has been more widely applied in buildings in our country, especially in some shopping malls, domestic blo

4、ck, hotels, and office buildings and some other high-rise buildings. however, some calculations associated with shear wall is quite sophisticated and calculated quantity is very large, therefore, generally speaking, people use the software to calculate in the design of shear wall structure or frame-

5、shear wall structure.according to planning assignment, the author tries to use what he has learned to set about architectural design and structural design of jinyuan hotel with frame-shear wall structure as main structure in this paper. the design processes are following: firstly, construction; seco

6、ndly, structure; thirdly, foundation. about architectural design, the author designs the building plane at first, then the elevation and section part on the basis of the overall planning, requirements, land use conditions and surroundings of base. the architectural design should have both functions

7、of use and plastic arts and meet the requirements of future development and flexible transformation. about frame-shear wall structure system of jinyuan hotel which is based on current relevant specification, the author makes some calculations, such as rigidity of shear wall, shearing rigidity of fra

8、me, equivalent shearing rigidity of coupling beam, eigenvalue of main structure, wind load, horizontal earthquake load, vertical load, stability and overturning resistance analysis, internal force combination and linkages section and so on. in order to figure out relevant steps and principles on cal

9、culations of shear wall, the author mainly uses hand computation in this part. during the whole design and calculation process, the author takes into consideration the technical and economical indexes and requirements of construction industrialization. this project belongs to high-rise building, and

10、 jinzhou city is located in 7-degree seismic fortification zone, so the author also considers seismic requirement.key words: shear wall;frame-shear wall;structural design;high-rise buildings目 錄摘 要iabstractii第1章 平面布置及相關(guān)參數(shù)的計(jì)算11.1平面布置和材料運(yùn)用11.1.1建筑材料11.1.2截面尺寸11.1.3剪力墻布置21.1.4框架-剪力墻計(jì)算簡(jiǎn)圖31.2剪力墻、框架、及連續(xù)梁的剛

11、度計(jì)算31.2.1剪力墻類型判定31.2.2框架剪切剛度計(jì)算61.2.3壁式框架側(cè)移剛度91.2.4連系梁的約束剛度141.2.5結(jié)構(gòu)剛度特征值16第2章 荷載計(jì)算172.1豎向荷載計(jì)算172.1.1豎向恒載標(biāo)準(zhǔn)值計(jì)算172.1.2重力荷載代表值計(jì)算192.2水平風(fēng)荷載222.3橫向水平地震作用232.3.1結(jié)構(gòu)基本振周期t232.3.2水平地震作用24第3章 水平荷載作用下框剪結(jié)構(gòu)內(nèi)力和位移計(jì)算273.1位移計(jì)算273.2總框架、總剪力墻和總連續(xù)梁內(nèi)力計(jì)算293.2.1橫向風(fēng)荷載作用總內(nèi)力計(jì)算293.2.2橫向水平地震作用下總內(nèi)力計(jì)算313.3水平荷載作用下構(gòu)件內(nèi)力計(jì)算353.3.1橫向風(fēng)荷

12、載作用下構(gòu)件內(nèi)力計(jì)算353.3.2橫向水平地震作用下構(gòu)件內(nèi)力的計(jì)算40第4章 豎向荷載作用下框架-剪力墻結(jié)構(gòu)內(nèi)力計(jì)算454.1計(jì)算單元及計(jì)算簡(jiǎn)圖454.2荷載計(jì)算464.3內(nèi)力計(jì)算48第5章 作用效應(yīng)組合525.1框架梁內(nèi)力組合525.1.1框架梁支座邊緣內(nèi)力標(biāo)準(zhǔn)值525.1.2框架梁內(nèi)力組合值535.2.框架柱內(nèi)力組合615.2.1柱支座邊緣截面內(nèi)力標(biāo)準(zhǔn)值615.2.2柱內(nèi)力組合值615.3剪力墻內(nèi)力組合675.3.1剪力墻內(nèi)力標(biāo)準(zhǔn)值675.3.2剪力墻內(nèi)力設(shè)計(jì)值675.4連梁內(nèi)力組合70第6章 構(gòu)件載面設(shè)計(jì)716.1.剪力墻截面設(shè)計(jì)716.1.1剪力墻,剪跨比和軸壓比計(jì)算716.1.2正載

13、面受壓承載力計(jì)算716.1.3斜截面受剪承載力計(jì)算736.2.連系梁的截面設(shè)計(jì)736.2.1抗彎承載力驗(yàn)算746.2.2連續(xù)梁斜截面受剪承載力計(jì)算74第7章 結(jié) 論76參考文獻(xiàn)77致 謝78第1章 平面布置及相關(guān)參數(shù)的計(jì)算1.1平面布置和材料運(yùn)用錦園賓館平面布置如圖1-1所示,采用整體式鋼筋混凝土結(jié)構(gòu)單向肋梁樓蓋圖1-1錦園賓館平面布置1.1.1建筑材料1-4層:采用c40混凝土(=19.1 nmm2, ft=1.71 nmm2 );5-13層:采用c35混凝土,(=16.7 nmm2,ft =1.57 nmm2)。梁中受力縱筋 采用hrb400級(jí)鋼筋(fy=360nmm2),其他鋼筋均采用h

14、pb300鋼筋。fy=300nmm21.1.2截面尺寸按彈性設(shè)計(jì)時(shí)h200mm;取h=200mm。標(biāo)準(zhǔn)層:h160mm, h=165mm,取h=200mm。主梁:h=( )l=( )7500=937.5535.7 取h=650 mm, b=()h=325216,取b=300mm次梁:h=( )l=( )5400=450300mm,取h=400mm,取b=200mm。連續(xù)梁截面尺寸取h=450mm,b=200mm。板:板跨度l為2500mm,故板厚hl35=71.4mm,考慮平面內(nèi)部分板支撐不足,取h=120mm??蚣苤?-5層框架柱截面尺寸取600600;6-13層框架柱截面為500500。

15、剪力墻:底層:h160mm;h=180mm;底部加強(qiáng)部位1.1.3剪力墻布置根據(jù)相關(guān)規(guī)定【1】帶邊框的。取墻板厚度h=200mm;布置剪力墻表1-1剪力墻最小厚度取值【2】抗震等級(jí)剪力墻部位最小厚度(取兩者的較大值)有端柱或翼墻無端柱或翼墻一、二級(jí)底部加強(qiáng)部位h16200mmh16200mm其他部位h20160mmh16180mm三、四級(jí)底部加強(qiáng)部位h20160mmh20160mm其他部位h25160mmh25160mm非抗震設(shè)計(jì)所有部位h25160mmh25160mm注: h為層高或剪力墻的無支長(zhǎng)度,h為層高;無支長(zhǎng)度是指沿剪力墻長(zhǎng)度方向沒有平面外橫向支撐墻的長(zhǎng)度,當(dāng)墻平面外有與其相交的剪力

16、墻時(shí),可視為剪力墻的支撐,有利于保證剪力墻出平面的剛度和穩(wěn)定性能,因而可在層高及無支長(zhǎng)度二者中取較小值計(jì)算剪力墻的最小厚度,而兩端無翼墻和端柱的一字形剪力墻,只能按層高計(jì)算墻厚;剪力墻井筒中,分隔電梯井或管道井的墻肢截面厚度可適當(dāng)減少,但不宜小于160mm;當(dāng)墻厚不能滿足表中要求時(shí),應(yīng)驗(yàn)算墻體的穩(wěn)定。1.1.4框架-剪力墻計(jì)算簡(jiǎn)圖由圖1-1可知,無論縱向、橫向,均可按連續(xù)梁剛結(jié)考慮,計(jì)算簡(jiǎn)圖如下圖1-2所示。圖1-2框架剪力墻結(jié)構(gòu)計(jì)算簡(jiǎn)圖1.2剪力墻、框架、及連續(xù)梁的剛度計(jì)算1.2.1剪力墻類型判定w1w4為橫向剪力墻?,F(xiàn)以w1、w2為例,說明剪力墻計(jì)算步驟。其他剪力墻計(jì)算列于表1-1w-2剪

17、力墻相關(guān)參數(shù)的計(jì)算:(1)有效翼緣寬度取5倍的翼緣厚度,即1200mm,則w1墻計(jì)算簡(jiǎn)圖如圖1-3 w1墻計(jì)算簡(jiǎn)圖圖1-3所示,先判斷剪力墻類別,所用公式【2】為 (1.1)式中:i為剪力墻對(duì)組合截面形心的慣性矩。in為扣除墻肢慣性矩后剪力墻的慣性矩ij為第j墻肢的截面慣性矩;ib為連續(xù)梁的計(jì)算跨度;h為剪力墻總高度;a為墻肢軸線間間距;為截面建立分布不均勻系數(shù)矩形截面取1.2.(2)各墻肢截面ai,慣性矩ii計(jì)算過程如下:a1=a2=200(1200+850)=0.41106mm4,ii=7.532691010mm4 剪力墻對(duì)組合截面形心慣性矩in=i-ii=1.348561012mm4洞口

18、上連續(xù)梁的折算慣性矩如下:洞口高度除底層為2.4m之外,其余均為2.1m。故連續(xù)梁截面高度為:底層 3.6-2.4=1.2m,標(biāo)準(zhǔn)層為3.3-2.4=1.2m 故連續(xù)梁計(jì)算跨度為連續(xù)梁的截面積和慣性矩為ab=1200200=0.24106mm2,ib0=20012003=2.881010mm4連續(xù)梁折算慣性矩ib為=43.2 因a10,in/i,故該墻為壁式框架,壁式框架的剛度應(yīng)計(jì)入總框架的剪切剛度之內(nèi)w-2剪力墻相關(guān)參數(shù)的計(jì)算-整體截面墻的等效剛度公式為 , (1.2)式中:ec為混凝土彈性模量,當(dāng)各層ec不同時(shí),沿豎向取加權(quán)平均值aw,iw分別為無洞口剪力墻截面面積和慣性矩,h為剪力墻總高

19、度,h=43.2m,為截面剪應(yīng)力分布不均勻系數(shù),取=1.2,則對(duì)于1-5層(混凝土采用c40,ec=3.25104n/mm2)aw=(1200+3000-200+2400)200=1.28106mm2,bf=1200+100=1300mm,hw=3000+2100=3200mmhwt=3200200=16 查表得=1.502對(duì)于613層,尺寸相同,故不必再計(jì)算(混凝土采用c35,ec=3.15104nm4)同理計(jì)算出,w3的等效剛度,w4經(jīng)計(jì)算也屬于壁式框架,對(duì)于w5的剛度計(jì)算,可先計(jì)算出其平面內(nèi)剛度,然后再通過正交分解,分配為剛度w垂直和豎向方向(w豎向)兩個(gè)方向的剛度。橫向剪力墻的等效剛度

20、等于各片橫向等效剪力墻之和,縱向剪力墻為各縱向剪力墻等效剛度之和,各剪力墻等效剛度計(jì)算如下表:表1-2剪力墻等等效剛度計(jì)算表墻編號(hào)ec104nmm2w-2(4片)3.191.281.88461471.5025.94849w-3(2片)3.191.9613.6849331.22541.92561w-5(4片)3.191.715.0883581.245.78045w-6(4片)3.191.728.94188951.25827.65248w-7(4片)3.191.021.7998871.3165.67805w-8(4片)3.191.353.6500981.27311.45337163.8918830

21、8.67859說明:由于w-5屬于斜向剪力墻,故其剛度對(duì)橫向和縱向均有影響。根據(jù)慣性矩關(guān)系可知, 根據(jù)慣性矩定義 可求出1.2.2框架剪切剛度計(jì)算 總框架的剪切剛度是指總框架在樓層間產(chǎn)生單位剪切變形所施加的水平剪力,其計(jì)算公式為: (1.3)式中: dij為第i層第j根柱的側(cè)移剛度;d為同一層內(nèi)所有框架柱的dij之和; h為層高,當(dāng)各層cfi不同時(shí),計(jì)算所用的cf可近似地以各層的cfi按高度取平均值 1)框架梁的線剛度計(jì)算梁的線剛度計(jì)算公式為ib=ecibl (1.4)式中:ec為混凝土彈性模量,l為梁的計(jì)算跨度,ib為梁截面慣性矩,對(duì)現(xiàn)澆樓面,ib可按下表采用,其中i0=梁矩形部分截面慣性矩

22、 表1-3框架梁的截面慣性矩樓面做法中框架梁邊框架梁現(xiàn)澆樓面ib=2.0i0ib=1.5i0裝配整體式樓面ib=1.5i0ib=1.2i02)柱的剪切剛度計(jì)算柱的線剛度計(jì)算公式為ic=ecich (1.5)式中:ic為柱截面慣性矩,h為框架柱計(jì)算高度,柱的側(cè)移剛度d值按下式計(jì)算 (1.6)為柱側(cè)移剛度修正系數(shù),對(duì)不同情況按照表1-4計(jì)算,:梁柱線剛度比。表1-4柱側(cè)移剛度修正系數(shù)位置邊框中柱簡(jiǎn)圖簡(jiǎn)圖一般層底層固結(jié)鉸結(jié)(3)計(jì)算結(jié)果各層各跨梁線剛度2e i0l計(jì)算結(jié)果如下表-5表中i0按矩形截面所計(jì)算的慣性矩;2e i0l,1.5e i0l分別表示中框架梁和邊框架梁的線剛度。表1-5梁線剛度ib

23、計(jì)算表類別層次ec104nmm2bh/mmmml/mme i0l1.5e i0l2e i0lab跨6-133.1530065075002.8844.3255.7671-53.2530065075002.9754.4635.95bc跨6-133.1530040022102.2813.4214.5611-53.2530040022102.3533.5294.706注:i0=bh312 iab=6.865625109mm4 ibc = 1.6 109mm4各層柱線性剛度計(jì)算表格如下表1-6各層柱線剛度計(jì)算表類別層次ec104nmm2bchchica列柱6-133.1550050033005.2084

24、.9722-53.25500500330010.80010.63613.25600600360010.8009.75b列柱6-133.1550050033005.2084.9722-53.25600600330010.80010.63613.25600600360010.8009.75表1-7 a列柱側(cè)位移剛度d(nmm)計(jì)算表層次軸柱軸柱7-130.8700.303166011.1600.367201079352360.8840.307168201.1780.37120326946182-50.4200.174203930.5590.2182555011743610.4750.3943556

25、90.6100.42538368186242普通層底層表1-8 b列柱側(cè)移剛度d(nmm)計(jì)算表層次軸柱軸柱7-131.5580.438239972.0770.5092755713166561.5830.442242162.1100.513281061327502-50.7510.273319961.0020.3343914518142710.8200.468422501.0930.515464932239791.2.3壁式框架側(cè)移剛度前面已判定出w-1,w-4為壁式框架帶剛域框架梁柱軸由剪力墻中連續(xù)梁和墻肢的形心軸決定。在梁柱相反的節(jié)點(diǎn)區(qū),梁柱的彎曲剛度為無限大而形成剛域(如圖1-4所示)1

26、-4剛域取值范圍示意圖剛域的長(zhǎng)度可按下式計(jì)算lb1=1-0.25hb lb2=2-0.25hb (1.7)lc1=c1-0.25h lc2=c2-0.25hc (1.8)當(dāng)按上式計(jì)算的剛域長(zhǎng)度小于0時(shí),可不考慮剛域的影響帶剛域的等效剛度的計(jì)算公式為 (1.9)l,l0在圖1-4所示,v為桿件中段的剛度折減系數(shù)為考慮桿件剪切變形的影響系數(shù),當(dāng)取g=0.4e時(shí),按照公式 計(jì)算a、分別為桿件中段的截面面積和慣性矩。w-1墻帶剛域框架梁、柱的剛域長(zhǎng)度計(jì)算如下圖-5,梁: 柱:(左柱和右柱對(duì)稱,故算一種即可)圖1-5 圖1-6,計(jì)算梁時(shí),為1.2 ,計(jì)算柱時(shí),為2.223,w-4取2.160,算出相應(yīng)的

27、,v,再根據(jù)算出ei,并填入1-9表,w-1壁式框架梁、柱等效剛度計(jì)算圖同理,計(jì)算出w-4的等效剛度,列入表5-2,再畫出兩類壁式框架的等效框架,如圖1-7、1-8所示因w-1墻有四片,w-2墻有兩片,故=,在框架剪力墻結(jié)構(gòu)協(xié)同工作中所用的總剪切剛度計(jì)算公式為表中每層的,指各層各有柱子的剪切剛度之和,處于框架外的柱對(duì)結(jié)構(gòu)的影響較小,故可忽略不計(jì),計(jì)算結(jié)果見表1-11。表1-9柱線剛度計(jì)算類別層次ec/n/mm2/mml/mma/106mm2i0/1010mm4vei/l梁6-133150017002564.640.242.881.4950.4014.8701-53.2517002564.640

28、.242.880.8890.4015.025左柱6-1331500262533000.413.7663470.8890.5293.7792-532500262533000.413.7663470.5760.5293.8991325003262.536000.413.7663470.8890.6352.901右柱6-1331500262533000.413.7663470.8890.5293.7792-532500262533000.413.7663470.8890.5293.8991325003262.536000.413.7663470.5760.6352.901表1-10壁式框架柱側(cè)移的剛

29、度計(jì)算表d(nmm)層次w-2墻柱w-4墻柱7-131.2890.3921632361.2470.38416811498917261.3090.3961649021.2700.3881698659993382-51.2890.3921684201.2520.385173937102155411.2880.3921415921.6430.588170139906646表1-11 w-4壁式框架柱梁等效剛度計(jì)算表類別層次ec/n/mm2ec104n/mm2(mm)l(mm)a106/mm2i01010/mm4vei/l梁6-13315003.1518002728.260.242.881.3330.

30、4284.9561-53.253.2518002728.260.242.881.3330.4285.113左柱6-13315003464.071230.7870.5603.9732-5325003.25270033000.464.071230.7870.5604.1001325003.25330036000.464.071230.5270.6553.125右柱6-13315003464.071230.7870.5603.9732-5325003.25270033000.464.071230.7870.5604.1001325003.25330

31、036000.464.071230.5270.6553.125根據(jù)圖1-5,圖1-6中的壁式框架的等效框架,算出壁式框架的框架柱的側(cè)移剛度,計(jì)算結(jié)果填入表1-12。 圖1-7 圖1-8w-4壁式框架的剛域長(zhǎng)度計(jì)算式如下表1-12總框架的剪切剛度層次框架壁式框架hi mmdi n /mmhi di 108 nhi mmdi n /mmhi di 108 n7-13330098118032.37894330098917232.642686330099077632.695608330099933832.978152-53300129765242.822523300102155433.71128136

32、00179435664.59682360090664632.6392611.463789.92966所以:=(11.46378+9.92966)108=21.39344 108 n。1.2.4連系梁的約束剛度【4】為簡(jiǎn)化計(jì)算,計(jì)算連續(xù)梁的約束剛度時(shí),可不考慮剪力墻翼緣的影響。另外,各連續(xù)梁凈跨長(zhǎng)與截面高度之比均大于4,故可不考慮剪切變形的影響??蚣魟偨Y(jié)體系的連續(xù)梁進(jìn)入墻的部分剛度很大,因此,連續(xù)梁應(yīng)作為帶剛域的梁進(jìn)行分析。連續(xù)梁轉(zhuǎn)動(dòng)剛度 (1.10)當(dāng)采用連續(xù)化方法計(jì)算框架剪內(nèi)力時(shí),化為各層高線剛度c12,c21 (1.11)單位高度上連續(xù)梁兩端線約束剛度之和為以w-7之間的連續(xù)梁為例,說明連

33、續(xù)梁的計(jì)算方法,其他連續(xù)剛度計(jì)算結(jié)果填于表1-13,兩片w-7之間的連續(xù)梁:其剛域長(zhǎng)度為5100圖1-9連系梁剛域計(jì)算al=bl=2550+100-0.25450=2537.5mm,l=25502+2100=8200mm,a=b=0.309表1-13連續(xù)梁約束剛度cbi的計(jì)算類別層次hi mml(mm)abec104nmm2i0(109mm42480.2483.151.5187511.0134511.013456.674822-5330060000.2480.2483.251.5187511.3630911.363096.886721360060000.2480

34、.2483.251.5187511.3630911.363096.312833090.3093.151.5187510.7509810.750986.515752-5330082000.3090.3093.251.5187511.0922811.092286.722591360082000.3090.3093.251.5187511.0922811.092286.162382730.3093.151.518755.913393.377092.815302-5330027000.2780.3093.251.518756.369023

35、.598153.020351360027000.2780.3093.251.518756.369023.598153.294936-1343.8833634.5089523.7552623.2990622.5282713.887082-546.2666936.0252924.6086824.1201323.2780514.36308146.2666936.0252924.5031424.1201323.2780313.326101.2.5結(jié)構(gòu)剛度特征值 (1.12)式中,為連續(xù)梁的剛度折減系數(shù),當(dāng)設(shè)防烈度為6度,折減系數(shù)不宜小于7.0,7、8、9度時(shí),不宜小于0.5計(jì)算地震作用框剪結(jié)構(gòu)內(nèi)力和位

36、移時(shí),式中取0.55。第2章 荷載計(jì)算2.1豎向荷載計(jì)算2.1.1豎向恒載標(biāo)準(zhǔn)值計(jì)算1.屋面荷載【12】:恒載30mm厚細(xì)石混凝土保護(hù)層 0.0320=0.6knm2三氈四油防水層 0.4 knm220mm厚水泥砂漿找平層 0.0220=0.4 knm21:6水泥基底找20坡,且最薄處厚度為30mm 1.365 knm250mm厚聚苯乙烯泡沫塑料板保護(hù)層 0.050.5=0.025 knm2120mm厚鋼筋砼板 0.1225=3.00 knm2鋁合金條板吊頂 0.12 knm2 合計(jì) 5.91 knm2活荷載: 不上人屋面為 0.7 knm2雪荷載: 0.4 knm22.樓面荷載:恒載:8mm

37、厚陶瓷地磚 0.00817.8=0.142 knm220mm厚干硬性水泥砂漿找平層 0.0220=0.400 knm2120mm厚鋼砼 0.1225=3.00 knm210mm厚水泥石灰砂漿打底 0.0114=0.14 knm2 合計(jì) 3.68 knm2活荷載: 2.0 knm23.墻體自重荷載: 外墻:6mm厚瓷質(zhì)仿石墻面磚 0.00619.8=0.119 knm28mm厚抗裂聚合物砂漿 0.00820=0.16 knm250mm擠塑聚苯板保溫層 0.050.25=0.013 knm220mm水泥砂漿找平層 0.00220=0.4 knm2240mm厚水泥空心磚墻體 9.60.24=2.30

38、4 knm2乳膠漆墻面 0.36 knm2自重: 0.2(0.4-0.12)25=1.4knm 合計(jì) 3.329 knm2內(nèi)墻()一般墻240mm厚水泥空心磚墻體 9.60.24=2.304 knm2乳膠漆墻面(雙面) 0.362=0.72 knm2剪力墻:200mm厚鋼砼墻 0.225=5.0 knm2乳膠漆墻面(雙面) 0.362=0.72 knm2合計(jì) 5.72 knm2隔墻:120mm厚墻 0.1214=1.08 knm2乳膠漆墻面(雙面) 0.362=0.72 knm2合計(jì) 1.80 knm24.梁自重:主梁(650300)自重: 0.3(0.65-0.12)25=3.975knm粉

39、刷(雙面): 0.02(0.65-0.12)172=0.36knm 合計(jì) 4.335knm次梁(400200)粉刷(雙面): 0.02(0.4-0.12)172=0.1904knm 合計(jì) 1.591knm連續(xù)梁(450200)自重: 0.2(0.45-0.12)25=1.65knm粉刷(雙面): 0.02(0.45-0.12)172=0.2244knm 合計(jì) 1.875knm4.柱自重荷載:1-5層: 0.60.626=9.36knm6-13層: 0.50.526=6.5knm5.門窗自重: 木門: 0.2knm塑鋼窗: 0.45knm防火門: 0.45knm6.設(shè)備自身重力荷載,共計(jì)500k

40、n。2.1.2重力荷載代表值計(jì)算 梁自重計(jì)算列入下表(由于結(jié)構(gòu)對(duì)稱,僅計(jì)算其中一部分)。表2-1梁重力荷載計(jì)算表類別層次bh/mmg/knmln/mn板數(shù)gigiab跨6-130.30.654.3357.0020606.96-131-50.30.654.3356.9020598.23bc跨6-130.20.451.8751.86827.91-50.20.451.8751.81827.15l-16-130.20.41.5912.73417.3741-50.20.41.5912.63416.7371520.04l-26-130.20.41.5913.90212.411-50.20.41.5913.

41、90212.41l-36-130.20.451.8751.9027.1251-50.20.451.8751.9027.125l-46-130.20.451.8752.8210.51-50.20.451.8752.8210.5l-56-130.30.654.3356.38255.3151-50.30.654.3356.33254.881l-66-130.20.451.8753.4212.751-50.20.451.8753.3212.3751-5l-76-130.30.654.3357.5265.0251-50.30.654.3357.4264.158l-86-130.30.654.3355.4

42、9495.1971-50.30.654.3355.39493.463l-96-130.20.41.5914.11426.1561499.5731-50.20.41.5914.01425.520l-106-130.20.41.5913.98425.3291-50.20.41.5913.88424.692l-116-130.20.41.5912.05413.0461-50.20.41.5911.95412.410、軸次梁6-130.20.41.5914.9032249.4691-50.20.41.5914.8032244.378軸次梁6-130.20.41.5915.1636295.5441-50.20.41.5915.1636295.544前面已求出:6-13層柱截面為500500(mm2),得g=6.5knm。凈跨取3.18mgzi=3.186.552=1074.84 kn,同理2-5層gzi=3.189.3652=1547.770 kn,底層gzi=3.489.3652=1693.786 kn各層板重=sq=13933.682=5129.026 kn,屋面板重=sq=13935.91=8232.63 kn各屋墻體自重列入下表2-1,各層門窗自重表2-2活荷載:屋面: g=0.71393=975.1 kn雪

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