Single_Footing_FOOTCALC_Good_Mahfuz.xls

	A	B	C	D	E	F	G	H	I	J	K	L	M	N
1	Isolated Foundation Calculation (ACI 318M-95)								Issue:		Design			Page
2	Isolated Foundation Calculation (ACI 318M-95)								Date:					1 of 3
3	Project:		Verification example from [Nawy, P.584]						Revised by:		Test1			1 of 3
4	Project:		Verification example from [Nawy, P.584]						Checked by:		Test2
5
6		Input Data
7		Loads (kN)			Mz (kN.m)
8			Fx	Fy	Mz (kN.m)
9		Dead	0	800	0
10		Live	0	668	800
11		Wind	100	0	0
12		E	0	0	0
13		Sum	100	1468	800
14		Foundation Level
15		H (mm)	1300	h (mm)	200
16		hw (mm)	0	L/B	1.4
17		Pedestal Dimension
18		x (mm)	500	y (mm)	500
19		Concrete Strength
20		f'c (N/mm2) =		27.6
21		Steel Strength
22		fy (N/mm2) =		414
23		Allowable Soil Pressure
24		qa (kN/m2) =		190
25		Base Soil angle of internal friction					20
26
27		Ultimate Loads (ACI 9.2.)
28		Load Case		0.9D+1.3W		1.4D+1.7L		0.75(1.4D+1.7L+1.7W)			0.75(1.4D+1.7L+1.87E)
29		Factors		0.9	1.3	1.4	1.7	1.05	1.275	1.275	1.05	1.275	1.4025
30		Fux (kN) =		130		0		127.5			0
31		Fuy (kN) =		720		2255.6		1691.7			1691.7
32		Muz (kN.m) =		0		1360		1020			1020
33
34		Approximate Base Dimensions B & L Based on Unfactored Loads (ACI 15.1.)
35		Approximate Base Dimensions						B (mm) =	#NAME?		L (mm) =	#NAME?
36		User Input Dimensions						B (mm) =	3100		L (mm) =	4340
37
38		Approximate Footing Effective Depth d Assuming Punching Shear Governs (ACI 11.12)
39		Load Case		1		2		3			4
40		*qumax (kN/m2)		0.00		0.00		0.00			0.00
41		d (mm)		#NAME?		#NAME?		#NAME?			#NAME?
42		*					User Input Depth		d (mm)=	520	min 150mm (ACI 15.7.)
43							User Input Depth		D (mm)=	590	min cover 70mm (ACI 7.7.)
44
45
46		Foundation Weight Df (kN)
47		Concrete Slab =			B * L * D * 25				198.4465
48		Pedestal =			x * y * (H+h - D) * 25				5.6875
49		Soil above Slab =			(BL - xy) * (H - hw) * 20				187.4968
50		Saturated Soil =			(BL - xy) * (hw - D) * (20-10)				0
51								Total Df (kN) =	391.6308
52
53
54
55
56
57		Net Ultimate Stresses Profile (kN/m2)
58		Load Case		1		2		3		4
59		qumax (kN/m2)		#NAME?		#NAME?		#NAME?		#NAME?
60		qumin (kN/m2)		#NAME?		#NAME?		#NAME?		#NAME?
61		q1 (kN/m2)		#NAME?		#NAME?		#NAME?		#NAME?
62		q2 (kN/m2)		#NAME?		#NAME?		#NAME?		#NAME?
63		q3 (kN/m2)		#NAME?		#NAME?		#NAME?		#NAME?
64		q4 (kN/m2)		#NAME?		#NAME?		#NAME?		#NAME?
65		q5 (kN/m2)		#NAME?		#NAME?		#NAME?		#NAME?
66		q6 (kN/m2)		#NAME?		#NAME?		#NAME?		#NAME?
67
68
69	Isolated Foundation Calculation (ACI 318M-95)								Issue:		Design			Page
70	Isolated Foundation Calculation (ACI 318M-95)								Date:					2 of 3
71	Project:		Verification example from [Nawy, P.584]						Revised by:		Test1			2 of 3
72	Project:		Verification example from [Nawy, P.584]						Checked by:		Test2
73
74	CHECKING:
75
76		Contact Pressure
77		Fv (kN) =		Fy + Df	1859.6308		qmax (kN/m2)		235.8402598		qmin (kN/m2)		40.60255275
78
79		qGP (gross pressure) (kN/m2) =				( 3qmax + qmin ) /4
80		qGP =		187.030833	kN/m2	< qa =	190	YES
81
82		Stability Against Overturning
83		Overturning moment =			Mz + Fx * (H + h)			950	kN.m
84		Stabilizing moment =			Fv * (L/2)			4035.398836	kN.m
85
86					4.247788248	>	1.5	YES
87
88
89		Stability Against Sliding
90
91					6.768502579	>	1.5	YES
92
93
94		Check wide beam shear in the x-direction (ACI 11.3.)
95		Vc (kN) =		(1/6) * SQRT(fc) * B * d				1411.459198
96		Load Case		1		2		3		4
97		Vu (kN)* =		#NAME?		#NAME?		#NAME?		#NAME?
98		Vu / 0.85Vc		#NAME?		#NAME?		#NAME?		#NAME?
99		Vu = 0.5 (q1+qumax) * (L/2 - x/2 - d) * B
100						max Vu / 0.85Vc =	#NAME?	#NAME?	1.00	#NAME?