
第七章 預力預鑄
Quiz
•
Computers
•
12th Grade
•
Practice Problem
•
Medium
LC Lien
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列為預力混凝土之原理之敘述,何者錯誤?
在混凝土內先引入內應力
使混凝土受載重後得以平衡受外載重所引起的應力
混凝土可提供抗壓力
下半部產生壓應力,須由鋼筋抵抗
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關預力混凝土之優缺點,何者錯誤?
可增加梁之跨度
斷面較大
抗彎能力強
鋼料使用量少
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者不為預力混凝土使用時機?
跨徑長、載重大之構材
需要較大淨空,斷面深度受限之構材
對無裂縫要求較低之構材
曲線變化較大,外表美觀之構材
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者為預力混凝土施工品質要求?
混凝土中無腐蝕成份
高強度以承受預力
乾縮、潛變量少,以免預力損失
以上皆是
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
何者為造成預力混凝土預力損失的原因?
預力鋼材應力之鬆弛
預力鋼材在錨定處之固定
混凝土之彈性增加
混凝土之膨脹
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
預力混凝土之材料有哪些?
預力鋼腱
補強鋼材
套管
以上皆是
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關澆置預力混凝土時之注意事項,何者錯誤?
不得集中一處大量急速澆置
澆置之混凝土現場不得任意加水
混凝土不須搗實
使用振動棒搗實時勿傷及套管
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