某教学楼高层框架结构，抗震设防烈度为8度，丙类建筑，Ⅰ类场地_爱下问搜题

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问题单项选择题

某教学楼高层框架结构，抗震设防烈度为8度，丙类建筑，Ⅰ类场地，设计地震分组为第二组，共10层，总高度43.3m。其中一榀横向中框架的竖向荷载分布及梁柱尺寸如下图所示。框架混凝土强度等级柱均为C30，梁均为C25，竖向荷载作用下结构经内力计算第一、二层梁柱端弯矩如题表1所列，第一、二层柱抗侧移刚度D_i值、楼层框架总抗侧移刚度∑D_i、柱反弯点高度及当水平地震作用由左向右时的楼层总剪力V_f如题表2所列。

结构尺寸

表1 竖向荷载作用下一、二层梁柱端弯矩值/kN·m

表2 框架一、二层柱值D_i楼层值∑D_i、柱反弯点高度h_y及水平地震作用下楼层总剪力v_f

层次	层高/m	柱号	柱反弯点高度 h_y/m	柱D_i/ kN·m	楼层ΣD_i/ kN·m	总剪力 V_f/kN
二	5.5	C1	2.70	12309	61970	328
二	5.5	C2	2.80	18676	61970	328
一	5.0	C3	3.50	25488	114412	337
一	5.0	C4	3.15	31718	114412	337

计算一层顶梁B1左右端在竖向荷载及水平地震作用下组合剪力和弯矩设计值，下列______项接近。
A．左端

右端

B．左端

右端

答案

参考答案：A

解析：
(1)计算水平地震作用下一层顶梁B1的左右端弯矩值
左端

右端

(2)计算一层顶梁B1左右端在竖向荷载及水平地震作用下组合弯矩设计值和剪力设计值
①计算B1梁端在竖向荷载作用下弯矩和水平地震作用下弯矩基本组合设计值，根据《高层建筑混凝土结构技术规程》第5.6.3条公式(5.6.3)得
左端

右端

②计算B1梁竖向荷载作用下梁端剪力设计值：
V_bG=γ_Gqι_n/2=1.2×24.24×6.8/2=98.9(kN)
③计算趴梁左右端在竖向荷载及水平地震作用下剪力组合设计值，按《高层建筑混凝土结构技术规程》第6.2.5条知
左端

右端

完形填空

     When high school started, Becky and I became best friends.We __1__ many interests and quickly
became inseparable.When high school ended, we both cried __2__ we would attend different colleges
in the fall.
     Our first term of university life was __3__.We had a telephone bill and our emails were incredibly long.
In the second term I found some new friends with whom I felt very __4__.These were friends with whom
I could be myself and __5__ out my feelings.I was eager to share my new friends with Becky.
     When Becky finally visited me at my school, we were excited.She __6__ a toy bear to me as a
present and told me about her college life.However, something unexpected happened when I __7__ her
to my new friends.Her eyes grew dark and I could see the __8__ within them.My new friends tried to
share their friendship, but Becky seemed __9__ to accept it.I didn't understand __10__ the people I
loved most couldn't love each other.
     Becky __11__.I knew she was not happy.I thought long about what had happened.After many
unanswered questions, I understood that she was __12__.She saw me with my new friends and __13__
that we no longer shared the same experiences.She saw all the fun I was having __14__ her and wished
she could be a part of it.She wished she could be in their position.
     I wrote a letter to Becky __15__ she's always my best friend.I told her everyone had friends from
home and friends from school, and all the friends were indeed life's greatest __16__.Becky wrote me
back soon.She was in __17__ and felt sorry about what she had done.
     I think Becky and I both learn an important lesson from it.__18__ can influence our friendship and
cha

nge the experiences we've shared.We are now walking on two different paths of __19__.While new
friends are special and exciting, old friends are always there, __20__ to share their heart and soul, no
matter how far apart.

( )1. A. showed
( )2. A. because
( )3. A. modern
( )4. A. anxious
( )5. A. figure
( )6. A. brought
( )7. A. admitted
( )8. A. concern
( )9. A. cautious
( )10. A. how
( )11. A. started
( )12. A. aggressive
( )13. A. regretted
( )14. A. for
( )15. A. recognizing
( )16. A. gift
( )17. A. sympathy
( )18. A. Nothing
( )19. A. happiness
( )20. A. choosing

B. developed
B. unless
B. peaceful
B. comfortable
B. make
B. returned
B. mentioned
B. doubt
B. unwilling
B. why
B. remained
B. jealous
B. wondered
B. from
B. predicting
B. spirit
B. agreement
B. Anything
B. success
B. waiting

C. protected
C. although
C. normal
C. familiar
C. pour
C. donated
C. introduced
C. curiosity
C. ashamed
C. that
C. left
C. angry
C. promised
C. without
C. assuring
C. achievement
C. surprise
C. Something
C. research
C. planning

D. shared
D. while
D. hard
D. strange
D. hold
D. recommended
D. referred
D. hurt
D. calm
D. whether
D. started
D. proud
D. proved
D. across
D. explaining
D. sign
D. disappointment
D. Everything
D. life
D. demanding

单项选择题

当固定资产投资的估算采用生产能力指数法时，已知拟建厂的生产能力是类似厂的生产能力的2倍，类似厂的投资额为10万元，若生产能力指数取0.5，综合调整系数取2，则拟建厂的投资额为（）。

A.100万元

B.20万元

C.28.28万元

D.6.32万元