👉Preparation of Subgrade

💫The subgrade is firstly cleaned properly of any trees or root extensions.

⏺It is then shaped, levelled and prepared according to the design camber and gradient.

⏺It should be compacted properly and any weak spots must be eliminated.

⏺The entire prepared soil for subgrade should have uniform strength.

🏷In case there is no provision for inclusion of a base layer, the subgrade should be watered for 6 -20hrs before placing of concrete to avoid water seepage from the concrete mix into the subgrade.

@etconp

👉Notes On Foundation engineering

📜here are the highlights:

1. Types of Foundations

- Shallow foundations (footings, rafts) for lighter loads
- Deep foundations (piles, caissons) for heavy loads or weak soils

2. Bearing Capacity

- Ultimate capacity is the maximum load before failure
- Safe capacity includes a factor of safety

3. Shear Failure Modes

- General shear in dense soils
- Local shear in medium soils
- Punching shear in loose soils

4. Key Factors

- Soil properties
- Water table position
- Foundation dimensions

5. Field Testing

- Plate load tests
- Standard penetration tests
- Cone penetration tests

6. Settlement Considerations

- Immediate elastic settlement
- Long-term consolidation
- Differential settlement risks

@etconp

ለመላው የኦርቶዶክስ እምነት ተከታዮች በሙሉ እንኳን ለጥምቀት ከተራ በዓል በሰላም አደረሳችሁ❤

በዓሉ የሰላም የፍቅር ያድርግልን🙏

@etconp

👉 INTERCON Construction Chemicals 

● Concrete Admixtures
● Bonding Agents
● Waterproofings
● Wall Putty, Prime Coat
● Concrete Repair Mortar
● Floor hardener, Epoxy
● Grout, Self-level mortar
● Quartz paint, Contextra
● Tile Adhesive & Tile Joint Fillers 
● Geotextiles and other construction chemicals and materials

☎️ Tel: 0961955555

🔹 Address 1: Signal road, around
Dinberwa Hospital

🔹 Addres 2: Wellosefer, Infront of
Dani Plaza

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