bs8110- cantilever rc beams.xls

	B	C	D	E	F	G	H	I	J	K	L	M
1					Job No.				Sheet of		Rev.	Rev.
2
3					Job Title:-
4
5					Subject:-
6
7					Client:-						Designed by	Date :-
8											ABY	OCTBER 1998
9	CALCULATION SHEET										Checked by	Date:-
10
11	CALCULATIONS											OUTPUT
12
13	R. C. CANTILEVER BEAM
14	Dimension						Loading				Factor
15	Depth	=	200	mm	Cover (mm)		Univ. DL.	=	4.8	kN/m	1.2
16	Breadth	=	1000	mm	25		Univ. LL.	=	0	kN/m	1.3
17	Length	=	0.9	m			Point DL. No. 1	=	0	kN	Location ( m )
18	Characteristic						Point LL. No. 1	=	62.5	kN	0.625
19	fcu	=	25	N/mm2			Point DL. No. 2	=	1.8	kN	Location ( m )
20	fy	=	460	N/mm2			Point LL. No. 2	=	0	kN	0.9
21	fyv	=	250	N/mm2
22	Moment						Shear
23	Mom. DL.	=	3.56	kNm			Shear DL.	=	6.12	kN
24	Mom. LL.	=	39.06	kNm			Shear LL.	=	62.50	kN
25	Mom. Ult.	=	55.06	kNm			Shear Ult.	=	108.57	kN
26
27			M	=			55058050
28			bf d2 fcu		1000	x	169	2x	25
29				=	0.077
30
31			Z	=	153.01	mm
32
33	As	=	M	=			55058050
34			0.87fyZ		0.87	x	460	x	153.01
35				=	899	mm²
36
37	Min As	=	0.13bh	=	260	mm²
38			100
39
40	Max As	=	3bh	=	6000	mm²
41			100
42
43	Provide Bar
44			8	Y	12	mm
45	As prov.	=	904	mm²		>	899
46					Satisfactory
47	Deflection check:
48	M	=	55058050	=	1.93
49	bd^2		28561000
50	fs	=	285.91		Mod. fact.	=	1.11
51	Actual Deflection:
52	l/d	=	4.50
53	Allowable Deflection:
54		=	7.79
55			Deflection chek		Okay
56
111
112	Design of shear link
113
114	Area of steel	=	904	mm²			No. of link	=	1	Nos
115	Shear Force, V	=	108.57	kN			Link Bar	=	10	mm
116
117	v	=	V	=	108568			=	0.64
118			b d		1000	x	169
119
120			0.64		lesser than		0.8xsqrt(fcu)	=	4.00	N/mm²
121
122			100As/bd	=	0.5349		400/d	=	2.37
123
124			vc	=	0.64
125
126			Asv	=	1.839
127			Sv
128
129			Provide	1	R	10	80	c/c
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