【正文】
日期: 指導(dǎo)教師簽名: 日期: 摘要摘 要本工程為實(shí)際應(yīng)用課題為秦皇島中學(xué)實(shí)驗(yàn)樓。 關(guān)鍵詞:框架結(jié)構(gòu); 獨(dú)立基礎(chǔ); 鋼筋混凝土; 抗震設(shè)計(jì)VIIabstract摘要AbstractThis project, serving as a practical subject of application, is located in Qin huandao downtown area and designed as the laboratory building of an experimental high school. With a level II fireproof grade and a level II safety class, this building occupies a venue of 70m30m. In addition, this project covers an area of about 880 square meters and has a building area of 5200 square meters. The strength of the beams, plates and concrete columns in each layer of this sixlayered building is C30. HRB400 steel bars are used lengthways while HRB335 steel bars are used anywhere else. The building plane is square with a total length of meters and a total width of about 18 meters. The building elevation is neat and clean. All doors are made of steel except the middle door in the front which is made of glass. Aluminum alloy windows are used. This project employs a reinforced concrete frame structure. The sectional dimension of the columns are of the same size 600㎜ x 600㎜. The geological condition of the construction site is good. An under column independent foundation and slabtyped concrete stairs are designed. Strictly abiding by the existing norms of design in China, this design includes such calculations as load calculations, the internal force position, basic design and checking, the check calculation of the strength of the column and the beam, the overall stability checking and staircase design and so on.Keywords: Frame construction 。2) 應(yīng)結(jié)合地形、地質(zhì)、氣象條件等自然條件布置,有效組織地面排水,進(jìn)行用地范圍內(nèi)的豎向布置。. 交通聯(lián)系空間的平面設(shè)計(jì)主要房間和輔助房間都是單個(gè)獨(dú)立的部分,而房間與房間的水平與垂直方向上的聯(lián)系、建筑物室內(nèi)外之間的聯(lián)系,都要通過交通聯(lián)系來實(shí)現(xiàn)。 交通樞紐空間門廳作為交通樞紐,其主要作用是集散人流,轉(zhuǎn)換人流方向,室內(nèi)外空間的過渡或水平與垂直交通空間的銜接等。 樓梯剖面設(shè)計(jì) 所有樓梯均采用現(xiàn)澆鋼筋混凝土結(jié)構(gòu),其具有整體性好,堅(jiān)固耐久,剛度好等特點(diǎn)。(3)基本風(fēng)壓:,地面粗造程度為C類。 確定框架計(jì)算簡圖 選取計(jì)算單元選取④軸線的一榀框架進(jìn)行計(jì)算,其余框架可參照此框架進(jìn)行配筋。 BC軸間框架梁屋面板傳荷載:屋面板傳荷載:圖3 板傳荷載示意圖圖3 板傳荷載示意圖恒載 25/8=活載 雪載 樓面板傳給荷載:恒載 活載 梁自重標(biāo)準(zhǔn)值:BC軸間框架梁均布荷載為:屋面梁 恒載=梁自重+板傳荷載=+= 活載=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= AB及CD軸間框架梁屋面板傳荷載:恒載 2(12)=活載 2(12)=雪載 2(12)= 樓面板傳荷載:恒載 2(12)=活載 2(12)=梁自重:A—B及C—D軸間框架梁均布荷載為:屋面梁 恒載=梁自重+板傳荷載 =+= 活載=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= A軸柱及D軸柱縱向集中荷載的計(jì)算 頂層柱頂層柱恒載=女兒墻自重+梁自重+板傳荷載= 頂層柱活載=板傳荷載 =5/8+ =雪載時(shí)頂層柱活載=板傳荷載 =5/8+ =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=板傳荷載=+基礎(chǔ)頂面恒載=基礎(chǔ)梁自重+底層墻自重 B軸柱及C軸柱縱向集中荷載的計(jì)算頂層柱恒載=梁自重+板傳荷載 =()+++5/8+(+) = 頂層柱活載=板傳活載=5/8+ =雪載時(shí)頂層柱活載=板傳活載=5/8+ =標(biāo)準(zhǔn)層柱恒載=梁自重+板傳荷載+墻自重 =()+++++()+ = 標(biāo)準(zhǔn)層柱活載=板傳活載=5/8+ =基礎(chǔ)頂面恒載=墻自重+基礎(chǔ)梁自重 重力荷載代表值計(jì)算 屋面 標(biāo)準(zhǔn)層樓面處重力荷載標(biāo)準(zhǔn)值計(jì)算=== 底層樓面處重力荷載標(biāo)準(zhǔn)值計(jì)算 = =+++ =+++ = 屋頂雪荷載標(biāo)準(zhǔn)值計(jì)算 樓面活載標(biāo)準(zhǔn)值計(jì)算 總重力荷載代表值計(jì)算屋面處:=屋面處結(jié)構(gòu)和構(gòu)件自重+ =+ =標(biāo)準(zhǔn)層樓面處:=樓面處結(jié)構(gòu)和構(gòu)件自重+ =+ =底層樓面處=樓面處結(jié)構(gòu)和構(gòu)件自重+ =+ = 框架柱抗側(cè)剛度D和結(jié)構(gòu)基本自振周期計(jì)算 橫向D值計(jì)算各層柱的D值及總D值見表3~表6。 表132 各柱反彎點(diǎn)位置計(jì)算軸號層號h/my yh/m(1y)h/m 續(xù)表 續(xù)表軸號層號h/my yh/m(1y)h/mD軸柱600050004000 續(xù)表13300020001000C軸柱600050004000300020001000其中y=+++框架各柱剪力由公式求得,具體計(jì)算過程見表143。由于構(gòu)件控制截面的內(nèi)力值應(yīng)取自支座邊緣處,為此,在進(jìn)行組合前,應(yīng)先計(jì)算各控制截面的(支座邊緣處)內(nèi)力值。表20 梁端剪力 續(xù)表層次梁端剪力(kN)剪力名稱++(++)左震右震6 5 4 3 2 續(xù)表20 1 表21 跨中彎矩 續(xù)表層次跨中彎矩(kN/m)彎矩名稱++(++)左震右震6DC CB BA 5DC CB BA 4DC CB BA 續(xù)表213DC CB BA 2DC CB BA 1DC CB BA 柱內(nèi)力組合由于框架抗震等級為三級,故柱組合彎矩設(shè)計(jì)值應(yīng)根據(jù)(強(qiáng)柱弱梁)調(diào)整后求得,柱組合剪力設(shè)計(jì)值應(yīng)根據(jù)(強(qiáng)剪弱彎)調(diào)整后求得。加密區(qū)范圍?。ǎ?00mm)的較大值,即(1125mm,500mm)的較大值,取1125mm。其余斜截面計(jì)算結(jié)果見表25。表27 框架柱正截面承載力計(jì)算續(xù)表柱D柱C柱第一組第二組第三組第四組第一組第二組第三組第四組﹤﹤﹤﹤﹤﹤﹤﹤M(KN=600600=﹤N= 取N== ﹤0按構(gòu)造配置箍筋采用復(fù)合箍筋,由于軸壓比=,取=,則 .采用4B8箍筋。 B1板配筋計(jì)算在進(jìn)行B1板設(shè)計(jì)時(shí),主梁按彈性理論設(shè)計(jì)雙向板,次梁按考慮塑性內(nèi)力重分布設(shè)計(jì)。由于底層框架承受內(nèi)力作用最大且按構(gòu)造配筋,故其余各層均可認(rèn)為按構(gòu)造進(jìn)行配筋。即(450mm