CBR Test Procedure | Field Lab Testing for Road Construction 🛣️

​CBR Test kyun zaroori hai?

Road construction mein subgrade soil ki strength aur stability check karne ke liye CBR test sabse ahem hota hai. Isse humein pata chalta hai ki road ka base kitna load jhel sakta hai.
-​CBR Test Setup in Field Lab.
-​Dial gauge reading and penetration process.
-​Soil strength testing for Road Site Work.

​Agar aap Civil Engineering student hain ya site par kaam karte hain, toh ye video aapke liye bahut helpful hogi.

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1)Preparation: Soil sample ko mold mein compress kiya jata hai.

2) ​Surcharge Weight: Mold ke upar weights rakhe jate hain jo road ki layers ko simulate karte hain.

3) ​Penetration: Plunger ko 1.25 mm per minute ki speed se soil mein insert kiya jata hai.

4) ​Readings: 2.5 mm aur 5 mm penetration par load ki readings note ki jati hain.

5) ​Calculation: Standard load se compare karke CBR percentage nikala jata hai.
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Видео CBR Test Procedure | Field Lab Testing for Road Construction 🛣️ канала Engi