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Subject: soil mechanics 03:- The old building (A) is to be removed and replaced by a...

Question:

subject: soil mechanics
03:- The old building (A) is to be removed and replaced by a new building (B), as shown in Figure (Q3). The vertical pressure
03:- The old building (A) is to be removed and replaced by a new building (B), as shown in Figure (Q3). The vertical pressure at the center of the clay layer from the building (A) and building (B) is equal to 13.64 kN/m² and 23.3 kN/mº respectively, Find:- 1. O.C.R after removing building (A). 2. The void ratio (e) of the clay layer: a. Immediately after removing building (A). b. After a very long time from removing building (A). 3. Final consolidation settlement of building (B) if to be constructed: a. Immediately after removing building (A). b. After a very long time from removing building (A). 4. Time required to achieve half the final consolidation settlement of building (B) (14 points) 2 Old building N.G.L 2 m W.T.L Sand, y = 15 kN/m2 Clay, y = 20 W=30% G = 2.7. C= 0.2 C = 0.04, C = 0.5m2 /y 8 m Rock

Answers

Building B) fold Building (A) 13 64 kN/m2 7 23.3 kN/m2 (for new NGL 2m Sand, I 2 18 kN/m² y C = 9-es om Clay, I = 20 kN/m² W

le 20.806 C volt ratio after evemoval of A) 30 as. After immedlately removal of A to +A5 AH= Cc Ho teo logia 18694 2002x8 1 +

Total settlement 162.6+ 110.3 22729 mm 4. Tome for% 50%. Tv - U? Tigo 20.196 4 TV a Cut d² Bo 1962 0.5 mHyr xt ţ t = 0.19 688

.

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