Design of retaining wall.xls

	A	B	D	E	F	G	H	I	J
1	Approved by		Deesign of Retainign Wall
2	Approved by
3	checked by :			Introduction
4	checked by :		The pupose of this Calculation is to design Retaining wall and check the adequecy of this retaining wall
5	Design by:		against overturning and sliding forces
6	Design by:
7	Description	Calculation of pier Foundation
8				Notations :
9					P= Wheel load
10
11					q=Surcharge load
12
13					W1: weight of soil above fa part of footing
14
15					W2:Weight of Concret pad (footing)
16
17					W3: Weight of Retaining wall
18
19	Rev.#	Date			W4: Weight of Soil above ct (part footing)
20	1	.20/9/07
21					wt:wall thickness
22
23					Ft:Footing thickness
24
25	reference :				fa:Front part footing width				Figure 1
26
27					ct: footing part width
28
29					A:Footing length
30
31					B:Footing width 1m strip wall
32				Given Data
33				Soil &Wall Data
34					γs=	19	Density of soil		kN/m3
35					Φ=	25	angle friction of soil		deg
36					ka=	0.47	active earth pressure coefficient
37					kP=	2.46	passive earht pressure coefficient
38					A=	2.5	m
39					wt=	0.3	m
40					fa=	1.5	m
41					ct=	0.7	m
42					Hs=	2.5	m	backfilling depth behinde the wall
43					sd=	0.6	m	soil passive pressure depth
44					Hw=	3	m
45					P=	7.92	kN	concentrat wheel load
46					q=	0	kN/m2	surcharge load
47					Ft=	0.35	m
48
49				Concrete Material Properties:
50					fy=	41.188	kN/cm2	yield strength of steel
51					fc=	3.1	Mpa (kN/cm2)	compressive strength of Concrete
52					γs=	24	kN/m3	concrete Density
53
54
55
56
57	Job No		Project titel:					Contractor :
58								SSEM
59	plant Number
60								Designer Office
61
62	Approved by		www.civilsite.info
63	Approved by
64	checked by :			Precast Wall Data
65	checked by :
66	Design by:			Hp=	3.25	m	hight of precast wall
67	Design by:			THp=	0.12	m	thickness of precast wall
68	Description	Calculation of pier Foundation
69
70
71				Loads :
72
73
74			Code	Vertical Loads
75			1	W1=	71.25	kN/m`	weight of soil at fa width
76			1	W2=	21	kN/m`	weight of footing
77			1	W3=	21.6	kN/m`	weight of retaining wall
78			1	W4=	7.98	kN/m`	weight of soil at ct width
79			1	W5=	9.36	kN/m`	weight of precast wall
80	Rev.#	Date	1	q=	11.8	kN/m2	surcharge loads		as per AASHTO page 27
81	1	.20/9/07	1	P=	7.92	kN	wheel loads
82
83
84				Horizontal Loads
85
86
87			Code:	Horizontal Pressure of soil and the surcharge
88			1	Pa1=	22.15	kN/m`
89			1	Pa2=	3.10	kN/m`
90			0	PP1=	28.09	kN/m`
91			0	PP2=	16.39	kN/m`
92			1	Ps=	5.50	kN/m`
93			1	Psw=	7.92	kN/m`
94
95				Wind Load:AS per UBC97 code
96
97				Basic wind speed
98				Wis=	150	km/h
99
100				Pw=wind stagnation pressure