问题 问答题 简答题

在连续梁和连续板设计中,内力计算时如何进行活荷载最不利组合?

答案

参考答案:

多跨连续梁的最不利活载布置方式:

求某跨跨中最大正弯矩,该跨布置活载,再隔跨布置活载;

求某跨跨中最小弯矩,该跨不布置活载,相邻跨布置活载,隔跨布置活载;

求某支座最大负弯矩,该支座左右两跨布置活载,再隔跨布置活载;

求某支座最大剪力,布置活载方式同求支座最大负弯矩。

完形填空
完形填空
     I can still remember when I met my best friend. She had just moved into the neighborhood and her
grandmother brought her down to     1   me. I hid behind my mother and she hid behind her
grandmother,   2   to look at each other. Soon we lost the   3    and started playing with each other.
     In the 7th grade, I first lost touch with her. She was   4    family problems and I deserted her to be
with the   5    people. None of my new friends liked her as much as I did because they knew she had
   6  . However, every summer we   7    always sit at each other's house, watch soap operas, and talk
about all the boys we liked.
     It was last year when I noticed the problem. I guess I was    8   devoted in high school to   9   she
needed someone there. Anyway, she made a new best friend and so did I. Then I didn't know why,
   10    she started cutting herself!
     She then was diagnosed(诊断)with clinical depression. At first, I was very   11  , but we still stayed
in     12   I wanted to be there with her since her new best friend basically   13    her and people were
calling her    14  .
     Yesterday she came to me and said, "I never knew what a best friend was    15   you, the only
person, would stop me cutting. I    16   your help so much, and you didn't even know you were   17   
me."
     We both cried. And I guess a kind of   18     from my life so far is never to give up on your friends.
Even if they aren't as cool as others, or people think they are crazy, they need    19     there. If you desert
them, you will only be   20    yourself.
( )1. A. follow  
( )2. A. scared    
( )3. A. temper    
( )4. A. taking up  
( )5. A. happier    
( )6. A. problems  
( )7. A. should  
( )8. A. much      
( )9. A. admit    
( )10. A. but     
( )11. A. calm     
( )12. A. place  
( )13. A. confused  
( )14. A. crazy  
( )15. A. unless  
( )16. A. expect  
( )17. A. urging  
( )18. A. honour  
( )19. A. someone  
( )20. A. innocent  
B. meet          
B. annoyed          
B. interest        
B. getting through  
B. cooler          
B. shortcomings    
B. could            
B. too              
B. accept          
B. for              
B. considerate      
B. touch            
B. bothered        
B. stubborn        
B. as              
B. influence        
B. blaming          
B. favour          
B. something        
B. successful      
C. join       
C. worried      
C. confidence    
C. going through  
C. stronger      
C. partners      
C. would        
C. only          
C. consider      
C. or            
C. upset        
C. control      
C. reminded     
C. clumsy        
C. until        
C. appreciate    
C. helping      
C. pleasure      
C. anyone        
C. guilty        
D. support      
D. delighted    
D. shyness      
D. making up    
D. cleverer      
D. disabilities  
D. might        
D. just          
D. realize      
D. so            
D. helpful      
D. mood          
D. deserted      
D. stupid        
D. that          
D. demand        
D. hurting      
D. lesson        
D. everything    
D. reliable      
问答题 论述题