एक तीन हिन्ज वाले परवलयिक आर्क को बाएं समर्थन से L/4 दूरी पर लोड w के अधीन किया गया। क्राउन का उदय 4 मीटर, विस्तृति 20 मीटर और w 80 kN है, समर्थन पर क्षैतिज प्रणोद क्या है?

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TN TRB Civil 2012 Paper
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  1. 40 kN
  2. 25 kN
  3. 50 kN
  4. 80 kN

Answer (Detailed Solution Below)

Option 3 : 50 kN

Detailed Solution

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दी गई शर्त के लिए:

संतुलन समीकरण से:

∑V = 0,

बिंदु A के बारे में आघूर्ण लेना,

VB × 20 – 80 × 5 = 0

अत: , VA = 60 kN  VB = 20 kN

बाएँ भाग(AC) से MC = 0 लेना,

VA × 10 - 80 × 5 – H × 4 = 0

∴ H = 50 kN

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