Physics · Pre-stressed Concrete Structures
निम्नलिखित में से कौन सी पोस्ट-टेंशनिंग प्री-स्ट्रेसिंग प्रणाली विशेष रूप से नट्स द्वारा लंगर डाले गए थ्रेडेड सिरों वाले उच्च-तन्यता मिश्र धातु इस्पात छड़ों (high-tensile alloy steel bars) का उपयोग करती है?
- 1फ्रेसिनेट प्रणाली (Freyssinet system)
- 2मैग्नेल-ब्लाटन प्रणाली (Magnel-Blaton system)
- 3गिफोर्ड-उदाल प्रणाली (Gifford-Udall system)
- 4ली-मैककॉल प्रणाली (Lee-McCall system)✓
सही उत्तर देखें
ली-मैककॉल प्रणाली (Lee-McCall system)
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