6.1活荷载标准值 ................................................ 27 6.2活载作用下框架所受荷载 ...................................... 27 6.3活载作用下框架的内力计算 .................................... 30 7风荷载作用 ........................................................ 37
7.1风荷载标准值 ................................................ 37 7.2风荷载作用下框架的内力计算 .................................. 38 7.3水平位移计算 ................................................ 44 8水平地震作用 ...................................................... 46
8.1梁自重计算 .................................................. 46 8.2柱自重计算 .................................................. 46 8.3门窗自重计算 ................................................ 46 8.4墙体自重计算 ................................................ 47 8.5板自重计算(楼屋面恒载计算) ................................ 48 8.6楼屋面活载计算 .............................................. 48 8.7各层重力荷载代表值汇总 ...................................... 48 9基本自振周期的计算 ................................................ 50
9.1结构刚度计算 ................................................ 50
9.1.1框架梁的惯性矩及线刚度 ................................ 50 9.1.2框架柱的惯性矩及线刚度 ................................ 50 9.1.3框架柱的抗推刚度 ...................................... 50 9.2自振周期T1的计算 ........................................... 52
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10水平地震作用计算(地震作用标准值计算) ........................... 53
10.1水平地震作用影响系数 ....................................... 53 10.2水平地震作用标准值 ......................................... 53 10.3框架侧移验算 ............................................... 54 10.4框架剪力标准值 ............................................. 55 11水平地震作用下框架内力计算 ....................................... 57
11.1根据柱剪力及反弯点高度计算柱端弯矩 ......................... 57 11.2计算梁端弯矩及梁剪力 ....................................... 58 11.3根据梁端剪力计算柱轴力 ..................................... 58 11.4绘制内力图 ................................................. 59 12荷载作用效应组合 ................................................. 61
12.1 竖向荷载作用下的基本组合 ................................... 62 12.2 水平地震作用效应与竖向荷载作用效应的基本组合 ............... 66
12.2.1水平地震作用下的梁端及跨中内力的基本组合 ............. 66 12.2.2水平地震作用下的柱端内力的基本组合 ................... 69
13截面设计 ......................................................... 72
13.1 框架梁 ..................................................... 72
13.1.1框架梁正截面设计 ..................................... 72 13.1.2框架梁斜截面设计 ..................................... 76 13.2 框架柱 ..................................................... 78
13.2.1轴压比验算 ........................................... 78 13.2.2正截面受弯承载力计算 ................................. 78 13.2.3斜截面受剪承载力计算 ................................. 81
14楼面构件及楼梯设计 ............................................... 84
14.1楼板配筋计算 ............................................... 84
14.1.1荷载设计值 ........................................... 84 14.1.2内力计算 ............................................. 85 14.2次梁计算 ................................................... 87
14.2.1荷载计算 ............................................. 87
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14.2.2弯矩及配筋计算 ....................................... 87 14.2.3剪力及配筋计算 ....................................... 89 14.3楼梯计算 ................................................... 89
14.3.1楼梯段设计 ........................................... 89 14.3.2楼梯配筋计算 ......................................... 90 14.3.3平台板计算 ........................................... 94
15基础的设计 ....................................................... 96
15.1基本资料 ................................................... 96 15.2 A轴基础计算 ............................................... 97
15.2.1示意图 ............................................... 97 15.2.2计算信息 ............................................. 97 15.2.3计算参数 ............................................. 99 15.2.4计算作用在基础底部弯矩值 ............................. 99 15.2.5验算地基承载力 ....................................... 99 15.2.6基础冲切验算 ........................................ 101 15.2.7柱下基础的局部受压验算 .............................. 104 15.2.8基础受弯计算 ........................................ 104 15.2.9计算配筋 ............................................ 106 15.3 B轴基础计算 .............................................. 108
15.3.1示意图 .............................................. 108 15.3.2计算信息 ............................................ 108 15.3.3计算参数 ............................................ 109 15.3.4计算作用在基础底部弯矩值 ............................ 110 15.3.5验算地基承载力 ...................................... 110 15.3.6基础冲切验算 ........................................ 111 15.3.7柱下基础的局部受压验算 .............................. 114 15.3.8基础受弯计算 ........................................ 114 15.3.9计算配筋 ............................................ 116