Sr.No. |
Symbol |
|
Definitions |
1 |
α |
= |
Angle formed with horizontal line along length of Beam |
2 |
Ach |
= |
Cross sectional area of structural member measures to the outside edge of transverse reinforcement in 'sqmm' |
3 |
Ag |
= |
Cross sectional area of concrete in 'sqmm' |
4 |
Ash |
= |
Total cross sectional area transverse reinforcement (including cross ties) within spacing S in 'sqmm' |
5 |
Avd |
= |
Area of diagonal reinforcement in coupler beam in 'sqmm' |
6 |
As |
= |
Area of Tension reinforcement required in 'sqmm' |
7 |
As,min |
= |
Minimum area of flexural reinforcement in 'sqmm' |
8 |
As,nominal |
= |
Nominal area of reinforcement in 'sqmm' |
9 |
Al |
= |
Area of longitudinal reinforcement required to resist torsion in 'sqmm' |
10 |
Al,face |
= |
Area of longitudinal reinforcement required on each face to resist torsion in 'sqmm' |
11 |
At Torsion |
= |
Area of closed stirrups resisting torsion in 'sqmm' |
12 |
AstPrv |
= |
Area of longitudinal reinforcement provided at given section in 'sqmm' |
13 |
Av |
= |
Area of shear reinforcement required per meter length in 'sqmm' |
14 |
Av,min |
= |
Minimum area of shear reinforcement in
as per clause 11.4.6.1 in 'sqmm' |
15 |
Al,min |
= |
Minimum area of longitudinal torsional reinforcement as per clause 11.5.5.3 in 'sqmm' |
16 |
Av Total Reqd |
= |
Total area of shear reinforcement required, including that for torsion in 'sqmm' |
17 |
Av Total Prv |
= |
Total area of shear reinforcement provided, including that for torsion in 'sqmm' |
18 |
Ao |
= |
Gross area enclosed by shear flow path in 'sqmm' |
19 |
Aoh |
= |
Area enclosed by centerline of the outermost closed transverse torsional reinforcement as per clause 11.5.3.1 in 'sqmm' |
20 |
Ast |
= |
Total area of longitudinal reinforcement calculated at a given section in 'sqmm' |
21 |
Asr |
= |
Area of Skin reinforcement calculated for given section in 'sqmm' |
22 |
Asc |
= |
Area of Compression reinforcement required for doubly reinforced section or if torsion exists in 'sqmm' |
23 |
b |
= |
Width of the Beam in 'mm' |
24 |
bw |
= |
Width of Web ( For flanged Beam ) in 'mm' |
25 |
b' |
= |
C/C distance between longitudinal reinforcement along B in 'mm' |
26 |
bc |
= |
Oustside dimension of transverse reinforcement in 'mm' |
27 |
Cc |
= |
Effective Cover to tension reinforcement in 'mm' |
28 |
Cmin |
= |
Clear cover in 'mm' |
29 |
c' |
= |
Effective cover to reinforcement at compression face in 'mm' |
30 |
d |
= |
Effective depth of Beam in 'mm' |
31 |
d' |
= |
C/C distance between longitudinal reinforcement along D in 'mm' |
32 |
D |
= |
Depth of Beam in 'mm' |
33 |
Es |
= |
Modulus of elasticity of steel in 'N/sqmm' |
34 |
f'c |
= |
Specified compressive strength of concrete in cylinder in 'N/sqmm' |
35 |
fs |
= |
Calculated tensile stress in reinforcement
at service loads, 'N/sqmm' |
36 |
Hf |
= |
Thickness of Flange in 'mm' |
37 |
hx |
= |
Maximum C/C horizontal spacing of hoops legs on all faces in 'mm' |
38 |
Icr |
= |
Moment Of Inertia Of concrete crack section |
39 |
l |
= |
Effective Length Of Beam (Clear Span) in 'mm' |
40 |
Legs |
= |
Number Of legs Of the shear reinforcement |
41 |
Mcr |
= |
Cracking Moment |
42 |
Mpr1 |
= |
Hogging moments Of resistance Of member at the joint faces in 'kNm' |
43 |
Mpr2 |
= |
Sagging moments Of resistance Of member at the joint faces in 'kNm' |
44 |
Mu |
= |
Factored Bending Moment at a section in 'kNm' |
45 |
Mubal |
= |
Nominal flexural strength Of Singly Reinforced Section At Balance Neutral Axis in 'kNm' |
46 |
Ptmin |
= |
Minimum percentage steel As per clause 10.5 |
47 |
PtPrv |
= |
Provided percentage steel |
48 |
Stirrup |
= |
Bar mark representing shear stirrup
|
49 |
S |
= |
spacing Of confining links in 'mm'
|
50 |
SCalc |
= |
Stirrup spacing calculated As per
Asv in 'mm' |
51 |
Sprv |
= |
Stirrup spacing provided in 'mm' |
52 |
Tcr |
= |
Cracking torque under pure Torsion in 'kNm' |
53 |
Tu |
= |
Factored Torsional Moment at a section in 'kNm' |
54 |
Ve |
= |
Earthquake induced shear in
'kNm' |
55 |
φVc |
= |
Reduced Shear strength provided by concrete in 'kN' |
56 |
Vu |
= |
Factored Shear Force at a section in 'kN' |
57 |
Vu-A1(sway Left) |
= |
VD+Lleft - (Mpr1left + Mpr2right / L ) in 'kN' |
58 |
Vu-A2(sway Left) |
= |
VD+Lleft + (Mpr2left + Mpr1right / L ) in 'kN' |
59 |
Vu-B1(sway Right) |
= |
VDLRight - (Mpr1left + Mpr2right / L ) in 'kN' |
60 |
Vu-B2(sway Right) |
= |
VDLRight + (Mpr2left + Mpr1right / L ) in 'kN' |
61 |
Vud |
= |
Design Shear Force in 'kN' |
62 |
Vs |
= |
Nominal shear strength provided by shear reinforcement in 'kN' |
63 |
Vu sway |
= |
Max (Vu-A1,Vu-A2) & (Vu-B1,Vu-B2) in 'kN' |
64 |
y |
= |
Neutral axis depth. |
65 |
Φ |
= |
Strength reduction factor |
|
|
|
|
All Forces are in 'kN', 'kNm', Stress in 'N/sqmm' & Dimension are in 'mm'. |