【正文】 II Abstract For hua yu office building structure design of this project, the adoption of concrete frame structures, the office building for five layer reinforced concrete structure system, the underlying the height of m, other layers of high of m, building area of about 3100. This design engineering seismic intensity of 7 degrees, grouped into the first group, site category for Ⅱ , frame aseismic levels for level 3. The basic wind pressure is kN /m2, basic snow pressure is kN /m2. Floor, roof adopts the castinplace reinforced concrete structure. This design is based on \simple, practical, economic and security\ as the core design principles. According to the design specification to plete the project structure design. This design according to the design data to draw the construction plan, load standard values calculated first, and then USES the bending moment secondary distribution method, make the bending moment diagram and shear diagram, shaft trying to. Transverse frame under horizontal seismic action of internal force and displacement calculation, horizontal framework under the wind load of the internal force and displacement calculation, and then the bination of internal force calculation, find out the most unfavorable one or several groups of internal force bination, the security structure calculation of reinforcement and drawing. The whole design process, follow the latest specification, design data and related to the design of each link to conduct a prehensive analysis. Always surround the core principles of design. key words ： frame structure, internal force bination, structure reinforcement III 目 錄 摘要 (Abstract) ............................................................. I 第一章 設(shè)計(jì)資料 ............................................................ 1 ........................................................... 1 ....................................................... 1 ........................................................... 1 ............................................................ 1 第二章 結(jié)構(gòu)設(shè)計(jì) ............................................................ 2 結(jié)構(gòu)布置和結(jié)構(gòu)選型 .................................................. 2 結(jié)構(gòu)布置 ...................................................... 2 .............................................. 2 ...................................................... 4 框架的計(jì)算簡(jiǎn)圖 ...................................................... 4 計(jì)算簡(jiǎn)圖說(shuō)明 .................................................. 4 框架梁柱的線剛度計(jì)算 .......................................... 5 荷載計(jì)算 ........................................................... 6 ................................................ 6 .............................................. 8 ....................... 9 ........................ 12 ........................................................... 15 ......................................... 15 活載作用的內(nèi)力計(jì)算 ........................................... 20 ................................ 25 第三章 橫向框架在風(fēng)荷載作用下的內(nèi)力和位移計(jì)算 ............................. 31 架在風(fēng)荷載作用下的計(jì)算 ....................................... 31 風(fēng)荷載作用下框架位移計(jì)算 ........................................... 31 風(fēng)荷載作用下框架內(nèi)力的計(jì)算 ......................................... 33 第四章 橫向框架在水平地震作用下的內(nèi)力和位移計(jì)算 ............................ 37 水平地震作用下結(jié)構(gòu)各層的總重力荷載代表值計(jì)算 ....................... 38 ............................ 40 ......................................... 42 第五章 內(nèi)力組合 ........................................................... 46 ........................................................... 46 、柱的內(nèi)力組合 ............................................... 50 IV 第六章 框架梁、柱配筋 ..................................................... 63 框架柱配筋計(jì)算 .................................................... 63 框架梁設(shè)計(jì) ........................................................ 66 第七章 樓板配筋計(jì)算 ....................................................... 73 ....................................................... 73 ....................................................... 74 第八章 樓梯配筋計(jì)算 ....................................................... 76 ..................................................... 76 平臺(tái)板設(shè)計(jì) ........................................................ 77 平臺(tái)梁設(shè)計(jì) ........................................................ 78 第九章 基礎(chǔ)設(shè)計(jì) ........................................................... 80 A柱基礎(chǔ)設(shè)計(jì)： ..................................................... 80 B柱基礎(chǔ)設(shè)計(jì)： ..................................................... 82 參 考 文 獻(xiàn) ............................................................... 85 謝 辭 ..................................................................... 86 1 第一章 設(shè)計(jì)資料 工程概況 （ 1）工程名稱：華宇辦公樓框架結(jié)構(gòu)設(shè)計(jì)；建設(shè)地點(diǎn)：九江市郊區(qū) （ 2）建筑概況 :該辦公樓為五層鋼筋混泥土結(jié)構(gòu)體系，底層層高為 ，其它層層層高為 ，室內(nèi)外高差為 。 地質(zhì)資料：土層深度由自然地坪算起，見(jiàn)下表 11 表 11 巖土分類 fak(kpa) Es(Mpa) 土壤重度 底層深 度（ m） 雜填土 粉質(zhì)粘土 (孔隙比，液性指數(shù)IL=) 220 粘 土 （ 孔 隙 比，液性指數(shù)IL=） 260 18 氣象條件 （ 1）基本風(fēng)壓： ，地面粗糙度為 B 類。初步選取各層柱截面為 500mm 500mm。 Gi iGfc A fc A ??????(軸壓比 )，其中由于抗震等級(jí)為三級(jí)，故 ? =， G為單位建筑面積上的重力荷載值，近視取 15kN/ 2m ， i為層數(shù)。內(nèi)外墻都是 200mm，樓面結(jié)構(gòu)，采用現(xiàn)澆混凝土肋型樓蓋。 所以對(duì)邊框架梁取 I= ,對(duì)中框架梁 I=20I 。 圖 29 分配系數(shù)圖 16 均布荷載引起是固端彎矩構(gòu)成節(jié)點(diǎn)不平衡彎矩，利用一下公式進(jìn)行計(jì)算。 活載 AB跨 BC跨 簡(jiǎn)圖 固端彎矩 (kN 圖 221 橫向框架在重力荷載代表值作用下的軸力圖 31 第三章 橫向框架在風(fēng)荷載作用下的內(nèi)力和位移計(jì)算 橫向框架在風(fēng)荷載作用下的計(jì)算 作用在屋面梁和樓面梁節(jié)點(diǎn)處的集中風(fēng)荷載標(biāo)準(zhǔn) 值： 0 ( ) / 2k z s z i jW u u w h h B??? 為了簡(jiǎn)化計(jì)算，通常將計(jì)算單元范圍內(nèi)外墻面分布荷載轉(zhuǎn)化為等量的作用于樓面的集中荷載，式中： 0w 基本分壓，九江為 zu 分壓高度變化系數(shù)，因建設(shè)地點(diǎn)處于城市郊區(qū)，地面粗糙度為 B類，由荷載與結(jié)構(gòu)設(shè)計(jì)方法查得。 37