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[工學(xué)]土木工程畢業(yè)設(shè)計(jì)論文-wenkub.com

2025-01-15 14:25 本頁面
   

【正文】 由于構(gòu)件控制截面的內(nèi)力組合取自支座邊緣處,為此,進(jìn)行組合前先計(jì)算各控制截面處(支座邊緣處的)的內(nèi)力值。再根據(jù)節(jié)點(diǎn)平衡條件求得梁端彎矩,并進(jìn)而求出各梁端剪力和各柱的軸力。m MCD =ql2/12 =1/12= kNm樓面: MAB =ql2/12 =1/12= kNm MBc =ql2/12 =1/12=m MCD =ql2/12 =1/12= kNm樓面: MAB =ql2/12 =1/12= kNm MBc =ql2/12 =1/12= kN當(dāng)框架為少層少跨時,采用彎矩二次分配法較為理想?!∝Q向荷載作用下框架受荷總圖圖2-5 板傳荷載示意圖(1)A~B軸間框架梁屋面板傳荷載:恒載: kN/m2[1-2+] 2= kN/m活載: kN/m2[1-2+] 2= kN/m樓面板傳荷載:恒載: kN/m2[1-2+] 2= kN/m活載: kN/m2[1-2+] 2= kN/m梁自重: A~B軸間框架梁荷載為:屋面梁:恒載=梁自重+板傳荷載 = kN/m+ kN/m= kN/m活載=板傳荷載= kN/m樓面梁:恒載=梁自重+板傳荷載 =+ kN/m+ kN/m= 活載=板傳荷載= kN/m(2)B~C軸間框架梁 屋面板傳荷載: 恒載: kN/m22= kN/m 活載: kN/m22= kN/m 樓面板傳荷載: 恒載: kN/m22= kN/m 活載: kN/m22= kN/m 梁自重: kN/mB~C軸間框架梁荷載為:屋面梁: 恒載=梁自重+板傳荷載= kN/m+ kN/m = kN/m活載=板傳荷載= kN/m樓面梁: 恒載=梁自重+板傳荷載= kN/m+ kN/m= 活載=板傳荷載=(3)C~D軸間框架梁恒載:[1-2+] 2= kN/m活載: kN/m2[1-2+] 2=樓面板傳荷載:恒載:[1-2+] 2= kN/m 活載: kN/m2[1-2+] 2= kN/m 梁自重: kN/mC~D軸間框架梁受荷:屋面梁: 恒載=梁自重+板傳荷載= kN/m+ kN/m= kN/m活載=板傳荷載=樓面梁: 恒載=梁自重+板傳荷載= kN/m+ kN/m= 活載=板傳荷載=(4) A軸柱縱向集中荷載計(jì)算圖26現(xiàn)澆天溝尺寸頂層柱:女兒墻自重(做法:墻高1100m,100mm的混凝土壓頂): 18 kN/m3+25 kN/m3+(2+) kN/m2= kN/m天溝自重(琉璃瓦+現(xiàn)澆天溝,圖16):琉璃瓦自重: kN/m2= kN/m現(xiàn)澆天溝自重:25 kN/m3[+() ] +(+) ( kN/m2+ kN/m2)= kN/m合計(jì) kN/m頂層柱恒載 =女兒墻及天溝自重+梁自重+板傳荷載 =( kN/m kN/m)3m+ kN/m()+ kN/m5/823m =+ kN+ kN = kN頂層柱活載=板傳活載 = kN/m23m =標(biāo)準(zhǔn)層柱恒載=墻自重+梁自重+板傳荷載= kN/m()+ kN/m()+ kN/m5/823m= kN頂層柱活載=板傳活載 = kN/m23m =(5)B軸柱縱向集中荷載計(jì)算頂層柱恒載=梁自重+板傳荷載 = kN/m()+ kN/m25/823m+ kN/m23m(12+) 3m=頂層活載=板傳活載 = kN/m25/823m+ kN/m2[1-22+] 23m = kN + kN= kN標(biāo)準(zhǔn)層柱恒載=梁自重+板傳荷載+內(nèi)墻自重 = kN/m()+ kN/m()+ kN/m2[1-22+] 3m = kN標(biāo)準(zhǔn)層柱活載=板傳活載 = kN/m25/823m+ kN/m2[1-22+] 23m = kN + kN= kN(6)C軸柱縱向集中荷載計(jì)算頂層柱:女兒墻自重(做法:墻高1100m,100mm的混凝土壓頂):18 kN/m3+25 kN/m3+(2+) kN/m2= kN/m天溝自重(琉璃瓦+現(xiàn)澆天溝,圖16):琉璃瓦自重: kN/m2= kN/m現(xiàn)澆天溝自重:25 kN/m3[+() ] +(+) ( kN/m2+ kN/m2)= kN/m合計(jì) kN/m頂層柱恒載 =女兒墻及天溝自重+梁自重+板傳荷載 =( kN/m kN/m)3m+ kN/m()+ kN/m5/823m =+ kN+ kN = kN頂層柱活載=板傳活載 = kN/m23m =標(biāo)準(zhǔn)層柱恒載=墻自重+梁自重+板傳荷載= kN/m()+ kN/m()+ kN/m5/823m= kN頂層柱活載=板傳活載 = kN/m23m =(7)D軸柱縱向集中荷載計(jì)算頂層柱恒載=梁自重+板傳荷載 = kN/m()+ kN/m25/823m+ kN/m23m(12+) 3m=頂層活載=板傳活載 = kN/m25/823m+ kN/m2[1-22+] 23m = kN + kN= kN標(biāo)準(zhǔn)層柱恒載=梁自重+板傳荷載+內(nèi)墻自重 = kN/m()+ kN/m()+ kN/m2[1-22+] 3m = kN標(biāo)準(zhǔn)層柱活載=板傳活載 = kN/m25/823m+ kN/m2[1-22+] 23m = kN + kN= kN 圖27豎向受荷總圖注:1:圖中各值的單位為Kn2:圖中數(shù)值為標(biāo)準(zhǔn)值 為了簡化計(jì)算,作用在外墻面上的風(fēng)荷載可近似用作用在屋面梁和樓面梁處得等效集中荷載替代。AB梁 =107KN/m22()3/ =104KL2 =107KN/m22()3/ =104KL3 =107KN/m22()3/ =104柱:底層柱=107KN/m2()3/ =10428層柱=107KN/m2()3/ =104 令i28=,則其余桿件的相對線剛度為: 則框架的相對剛度簡圖如圖1-4所示。層次砼強(qiáng)度等級ABBCCDKL2B1~8C30250500200400250500250500(2)、柱截面尺寸估算根據(jù)軸壓比限值按下列公式計(jì)算: 和 (公式21)各層的重力荷載可近似的取14KN/m2。由于各層柱截面尺寸不變,故梁跨等于柱截面形心線之間的距離。(6)、電梯間:采用剪力墻結(jié)構(gòu)。(2)、屋面:采用現(xiàn)澆鋼筋混凝土板作承重結(jié)構(gòu),屋面板按上人屋面的使用荷載選用。屋面做法:剛性防水屋面(有保溫層) :防水層:30厚C25細(xì)石砼找平層:15厚1:3水泥砂漿找平找坡層:40厚水泥石灰焦渣砂漿找平保溫層:80厚礦渣水泥結(jié)構(gòu)層:120 厚結(jié)構(gòu)層抹灰層:10厚板底抹灰樓面做法:水磨石地面結(jié)構(gòu)層:120厚鋼筋砼板抹灰層:12厚水泥沙漿 第二章 結(jié)構(gòu)設(shè)計(jì)說明第一節(jié) 結(jié)構(gòu)布置及計(jì)算簡圖 設(shè)計(jì)資料 (1)、工程名稱:金城地產(chǎn)2商住樓 (2)、工程概況:,共8層,地下室一層(地下車庫),具體情況可參見結(jié)構(gòu)平面布置圖。設(shè)計(jì)采用目前國內(nèi)通用的鋼筋混凝土結(jié)構(gòu)。采暖地區(qū)的保溫隔熱標(biāo)準(zhǔn)應(yīng)符合現(xiàn)行的《民用建筑節(jié)能設(shè)計(jì)標(biāo)準(zhǔn)》相關(guān)的規(guī)定。在疏散門處應(yīng)設(shè)有明顯的標(biāo)志。(4)擬建地的基本雪壓 So=,基本風(fēng)壓 W0= N/m2,地面粗糙度為B類。框架結(jié)構(gòu)設(shè)計(jì)的計(jì)算工作量很大,在計(jì)算過程中以手算為主,輔以一些計(jì)算軟件的校正。過去的四年使我已經(jīng)對專業(yè)基本知識有了一定程度的了解,畢業(yè)設(shè)計(jì)前又仔細(xì)的研究了《混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范》、《建筑結(jié)構(gòu)荷載規(guī)范》等規(guī)范;在畢業(yè)設(shè)計(jì)中期,我們通過所學(xué)的基本理論、專業(yè)知識和基本技能進(jìn)行建筑、結(jié)構(gòu)設(shè)計(jì);在畢業(yè)設(shè)計(jì)后期,主要進(jìn)行設(shè)計(jì)手稿的整理,并用電腦繪圖并得到老師的審批和指正,使我圓滿的完成了任務(wù),在此表示衷心的感謝。通過一個完整的畢業(yè)設(shè)計(jì),外面將對于相關(guān)設(shè)計(jì)規(guī)范、手冊、標(biāo)準(zhǔn)圖以及工程實(shí)踐中常用的方法有較系統(tǒng)地認(rèn)識了解。 河南科技大學(xué)畢業(yè)設(shè)計(jì)(論文)金城地產(chǎn)2住宅樓建筑結(jié)構(gòu)設(shè)計(jì)摘 要根據(jù)建筑設(shè)計(jì)和結(jié)構(gòu)承重的要求以及場地地質(zhì)條件,合理地進(jìn)行結(jié)構(gòu)選型和結(jié)構(gòu)整體布置,確定各種結(jié)構(gòu)構(gòu)件的尺寸,選取一品主要橫向結(jié)構(gòu)框架進(jìn)行結(jié)構(gòu)設(shè)計(jì)計(jì)算,用PKPM軟件對該品結(jié)構(gòu)框架進(jìn)行PK電算和整棟框架結(jié)構(gòu)進(jìn)行SATWE電算,完成樓梯設(shè)計(jì)和基礎(chǔ)設(shè)計(jì),繪制出相關(guān)建筑和結(jié)構(gòu)施工圖。關(guān)鍵詞:框架結(jié)構(gòu),結(jié)構(gòu)設(shè)計(jì),內(nèi)力計(jì)算,荷載,鋼筋混凝土 BINHU DISTRICT 2 RESIDENTIAL BUILDINGSDESIGNABSTRACTAccording to architectural design and structural loading requirements and geological conditions, we could make sensible selection of structure and the arrange of the whole structure. After the identification of structural sizes, we shall select a product that is mainly a horizontal structure for design calculation, using the software of PKPM to PK calculate for the structural framework of the product and SATWE calculate for the entire frame structure .Completing the stair design and basic design leads to drawing out the drawings of relevant architectural and structure. As a undergraduate majoring in engineering, graduation is a particularly important part, which is a prehensive application of the knowledge we have learned in the university. It not only makes our knowledge systematic, but makes the knowledge practical. The graduation, requiring us to understand and grasp the whole process of architectural design , trains our independent ability to analyze and solve practical problems and innovation, and strengthens the capacity of our research, collection and reading foreign literature, so that we can get the training similar to engineers’ basic training. Through a plete graduation, we will get systematic knowledge about related design specifications, manuals, standard drawings and mon methods using in engineering practice .KEY WORDS: frame,structural design,internal force,lateral loads,reinforced concrete
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