中南大学砌体结构复习题及答案(有简答题答案)_new讲解

???????,满足要求。 4. 解:( 1 )求带壁柱墙截面的几何性质:2620500 2200 240 370 250 mm A????? mm y5.156 620500 120 2200 240 )2/250 240 (370 250 1???????? mm y5.333 5.156 250 240 2???? 42 3 2 37740000000 )125 5.333 (250 370 250 370 12 1 )120 5.156 (240 2200 240 2200 12 1 mm I??????????????? mm A Ii8. 111 ??, mm ih T391 8. 111 5.35.3????(2 )确定计算高度 mH5.55.05???,mHH6.62.1 0??(3 )整片墙高厚比验算 M2.5 混合砂浆砌筑查表得到 22 ][??,开门窗的墙,修正系数 7.082 .04 8.14.014.01 2???????s b s? 9 18 22 82 .0][9.16 391 6600 21 0???????????h H 满足要求。(4) 壁柱间墙的高厚比:(略) 5. 解:mHms8.10 4.52224?????,mHH4.50.1 0??7.088 .04 2.14.014.01 2???????s b s? M5 砂浆24 ][??1.21 24 88 .0][5.22 240 5400 21 0???????????h H ,不满足要求考虑每 4m 设置构造柱, ml mm b c4,240 ??,06 .04000 240 ??l b c09 .106 .05.111??????l ???? 5.22 23 24 88 .009 .1][ 21 0?????????????? ch H , 满足要求。构造柱间墙高厚比验算:(略)