问题 单项选择题

非抗震的某梁柱节点,如图所示。梁柱均选用热轧H型钢截面,梁采用HN500×200×10×16(r=20),柱采用HM390×300×10×16(r=24),梁、柱钢材均采用Q345-B。主梁上、下翼缘与柱翼缘为全熔透坡口对接焊缝,采用引弧板和引出板施焊,梁腹板与柱为工地熔透焊,单侧安装连接板(兼做腹板焊接衬板),并采用4×M16工地安装螺栓。

该节点在柱腹板处设置横向加劲肋,试问,腹板节点域的剪应力设计值(N/mm2),应与下列何项数值最为接近().

A.178.3

B.211.7

C.240.0

D.255.0

答案

参考答案:A

解析:

解答如下:

根据《钢结构设计规范》7.4.2条:

Vp=hbhctw

填空题
完形填空
One night I decided to spend some time building a happier and closer relationship with my daughter. For several weeks she had been   21  me to play chess(棋) with her, so I suggested a game and she eagerly   22 . It was a school night, however, and at nine o’clock my daughter asked if I could   23  my moves, because she   24   to go to bed; she had to get up at six in the morning. I   25   she had strict sleeping habits,   26   I thought she ought to be able to    27  some of this strictness. I said to her, “ 2, you can stay up late for once. We’re having 2.” We played on for another fifteen minutes, during which time she looked  30 . Finally she said, “Please, Daddy, do it quickly.”“No,” I replied. “If you’re going to play it  31 , you’re going to play it slowly.” And so we 32  for another ten minutes, until  33  my daughter burst into tears, and  34  that she was beaten.
Clearly I had made   3. I had started the evening wanting to have a  36time with my daughter but had   37  my desire to win to become more   38 than my relationship with my daughter. When I was a child, my desire to win   39  me well. As a parent, I   40  that it got in my way. So I had to change.
 
小题1:A. guiding
小题2:A. allowed
小题3:A. change
小题4:A. agreed
小题5:A. knew
小题6:A. so
小题7:A. put up
小题8:A. As usual
小题9:A. patience
小题10: A. excited
小题11: A. well
小题12:A. discussed
小题13: A. nervously
小题14:A. promised
小题15:A. a mistake
小题16:A. free
小题17: A. managed
小题18:A. important
小题19:A. offered
小题20:A. realized
B. asking
B. expected
B. repeat
B. needed
B. learned
B. for
B. take up
B. Go ahead
B. luck
B. proud
B. again
B. continued
B. immediately
B. admitted
B. a decision
B. different
B. recognized
B. attractive
B. served
B. apologized
C. training
C. replied
C. hurry
C. begged
C. guessed
C. but
C. pick up
C. By the way
C. fun
C. anxious
C. fairly
C. counted
C. strangely
C. wondered
C. an attempt
C. full
C. allowed
C. practical
C. controlled
C. imagined
D. advising
D. accepted
D. pass
D. hated
D. heard
D. or
D. give up
D. Come on
D. success
D. angry
D. regularly
D. argued
D. suddenly
D. discovered
D. an effort
D. happy
D. reduced
D. interesting
D. taught
D. explained