3.1 Slab design.xls

	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O	U	V
1	Project		XXX					Design of Two way slab
2			XXX					Designed by		Date		Page
3	Client		XXX					XXX				1
4			XXX					Checked		Revision		Job No
5	Strl. Consultant		XXX					XXX		-		XXX
6	Ref	Calculations
7		Slab No.	S1
8		Material
9		Grade of concrete, fck			25	N/mm2
10		Grade of steel, fy			500	N/mm2
11		Section
12		Short span (lx) =			5.7	m
13		Long span (ly) =			10	m
14		Boundary conditions =			Continuous
15		(Simply supported/Continuous/Cantilever)
16		Slab thickness required =			185	mm
17
18		Slab Thickness provided =			200	mm
19
20		Dia of bar	Short span		12
21		Dia of bar	Long span		12
22		cover			20
23
24		Filling
25		Filling material			None
26		Depth			0	m
27
28		Loads
29		D.L(self wt. of slab) =			5	kN/m2
30		D.L.(Floor finishes) =			2.000	kN/m2
31		D.L.(Partitions) =			0.500	kN/m2
32		Filling load =			0.000	kN/m2
33		L.L.=			7.500	kN/m2
34		Total (w) =			15	kN/m2
35
36		Ratio (ly/lx) =			1.80
37		Type of panel =		Interior Panels
38
39		The maximum bending moment per unit width is given by
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44		Along		Moment coefficient(αx, αy)	Moment	Mu	Mu/bd2	pt	Ast	Required		Provided	Ast	pt	Fs	MF	d(req)
45		Along		Moment coefficient(αx, αy)	Moment	Mu	Mu/bd2	pt	Ast	Required		Provided	Ast	pt	Fs	MF	d(req)
46		Short span -ve		0.061	29.73	44.59	1.47	0.37	635.92	Y12@	178c/c	100c/c	1130.973	0.646	163.061	1.583	112.498
47		Short span +ve		0.046	22.32	33.48	1.11	0.27	467.71	Y12@	242c/c	175c/c	646.270	0.369	209.874	1.586	112.291
48		Long span -ve		0.032	15.60	23.39	0.89	0.21	346.98	Y12@	250c/c	150c/c	753.982	0.431	133.459	2.346	133.184
49		Long span +ve		0.024	11.70	17.54	0.64	0.15	247.69	Y12@	250c/c	200c/c	565.487	0.323	127.023	3.055	102.306
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