wallap and rs2

Rock Anchor Details

Total length – 4 m, Diameter – 24 mm, Reinforcement direction – 150, Bond diameter – 0.13 m, Bond skin friction – 250 kPa, Bond resistance – 25.52 kN/m, Spacing - 2 m x 2 m, Bar capacity – 180 kN, Safety factor – 1.8, Grout Strength - 40 MPa

Construction Sequence

1. Excavate 2.5 m and install the 1st anchor at RL 172.0m

2. Excavate up to 4.5 m and install the 2nd anchor at RL 170.0m

3. Excavate up to the final level (RL159.5m) with 4 more equal lifts (2.5m high)

Loading and water table assumptions

• During the construction – Short term – Live load over the surface is 10 kPa

• Short term water table – 3.0m above SS-III

• At service stage – Long term live load over the surface is 25 kPa

• Long water table – (i) 1.0m below SS-III, (ii) 1.0m below SS-V

Questions 1:

Calculate Global Factor of Safety (FoS) for following cases using SLOPE/W

1. Stage 1 excavation

2. Stage 2 excavation

3. Calculate FoS for each excavation lift

4. Long term for final excavation, with fluctuation of water table (low and high)

5. Plot excavation depth vs FoS

Question 2:

Provide three reasons for difference in FoS at final excavation in short term and long term.

Beceriler: İnşaat Mühendisliği, Yapısal Mühendislik, Construction Engineering, Mühendislik

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İşveren Hakkında:
( 650 değerlendirme ) Bangalore, India

Proje NO: #31508951

Bu iş için 4 freelancer ortalamada ₹2313 teklif veriyor


Hi,Dear I have read and checked your attachments. I can help you. Looking forward to working with you. Best Regards Eslam

₹2000 INR in 2 gün içinde
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I am geotechnical deign engineer, I working on ground improvement, slope stabilization and rock strengthening using numerical analysis reference of geotechnical investigation, site investigation report and geo environm Daha Fazla

₹2500 INR in 2 gün içinde
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Hello, Can help you out in wallap analysis and in the overall techincal analysis/inference. Thank you.

₹2500 INR in 5 gün içinde
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As i have done my internship in site execution and have completed by bechlor's degree and awaiting for the result of all india entrance for mtech and have very good conceptual knowledge and as i supposed to be get dece Daha Fazla

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