由于()适用范围较广而成为斜拉桥主梁施工最常用的方法。
A. 顶推法
B. 平转法
C. 支架法
D. 悬臂法
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框架柱KZ1轴压比为0.60,受力钢筋保护层厚度取30mm,纵向钢筋直径d≥20mm,箍筋配置形式如图3-2所示。试问,该框架柱(除柱根外)加密区的箍筋最小配置,选用以下何项才最为合适?
A. φ8@100
B. φ10@150
C. φ10@120
D. φ10@100
After a store had sold k television sets for p dollars each, it reduced the price p of each set by 5 percent and then sold twice as many sets at this reduced price.
Column A Column B
The total revenue from the sale of
all of these television sets 2.95pk
A. if the quantity in Column A is greater
B. if the quantity in Column B is greater
C. if the two quantity are equal
D. if the relationship cannot be determined from the information given
A.She has a bad working habit.B.She wakes up early.C.She always goes to bed too late.D.
A. She has a bad working habit.
B. She wakes up early.
C. She always goes to bed too late.
D. She's an excellent worker.
题38~40:某钢筋混凝土梁截面尺寸200mm×500mm,如图3-11所示。梁端支撑压力设计值N1=60kN,局部受压面积内上部轴向力设计值No=160kN。墙的截面尺寸为1200mm×240mm (梁端位于墙长中部),采用MU10烧结普通砖,M7.5混合砂浆砌筑。
提示:不考虑强度调整系数γa的影响。
试问,墙的局部受压面积Al(mm2)与下列何项数值最为接近?
A. 24000
B. 32000
C. 34400
D. 38000