Physics · Highway Engineering
प्राकृतिक मिट्टी की वह तैयार सतह जिस पर सड़क की फुटपाथ संरचना टिकी होती है, कहलाती है:
- 1वियरिंग कोर्स (Wearing course)
- 2बेस कोर्स (Base course)
- 3सब-बेस (Sub-base)
- 4सब-ग्रेड (Sub-grade)✓
सही उत्तर देखें
सब-ग्रेड (Sub-grade)
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