BEAM FORMULAS WITH SHEAR AND MOMENT DIAGRAMS
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| Uniformly Distributed Load | |
Uniform Load Partially Distributed | |
Uniform Load Partially Distributed at One End | |
Uniform Load Partially Distributed at Each End | |
Load Increasing Uniformly to One End | |
Load Increasing Uniformly to Center | |
Concentrated Load at Center | |
Concentrated Load at Any Point | |
Two Equal Concentrated Loads Symmetrically Placed | |
Two Equal Concentrated Loads Unsymmetrical Placed | |
Two Unequal Concentrated Loads Unsymmetrical Placed | |
Uniformly Distributed Load | |
Concentrated Load at Free End | |
Concentrated Load at Any Point | |
Beam Fixed at One End, Supported at Other – Uniformly Distributed Load | |
Beam Fixed at One End, Supported at Other – Concentrated Load at Center | |
Beam Fixed at One End, Supported at Other – Concentrated Load at Any Point | |
Beam Overhanging One Support – Uniformly Distributed Load | |
Beam Overhanging One Support – Uniformly Distributed Load on Overhang | |
Beam Overhanging One Support – Concentrated Load at End of Overhang | |
Beam Overhanging One Support – Concentrated Load at Any Point Between Supports | |
Beam Overhanging Both Supports – Unequal Overhangs – Uniformly Distributed Load | |
Beam Fixed at Both Ends – Uniformly Distributed Load | |
Beam Fixed at Both Ends – Concentrated Load at Center | |
Beam Fixed at Both Ends – Concentrated Load at Any Point | |
Continuous Beam – Two Equal Spans – Uniform Load on One Span | |
Continuous Beam – Two Equal Spans – Concentrated Load at Center of One Span | |
Continuous Beam – Two Equal Spans – Concentrated Load at Any Point | |
Continuous Beam – Two Equal Spans – Uniformly Distributed Load | |
Continuous Beam – Two Equal Spans – Two Equal Concentrated Loads Symmetrically Placed | |
Continuous Beam – Two Unequal Spans – Uniformly Distributed Load | |
Continuous Beam – Two Unequal Spans – Concentrated Load on Each Span Symmetrically Placed |
The disciplines grouped in the school of Architecture, Civil and Environmental Engineering (ENAC) are called upon to find solutions to the most important challenge of our time: to guarantee a sustainable living environment for humanity through a successful integration of human activities within the. Civil Engineering Formulas Book.pdf. PECivilExam.com Copyright © 2008-2012 Pecivilexam.com all rights reserved- Geotechnical Formula 8 ENGINEERING GEOLOGY OF THE ROCKS AND SOIL 74. Earthquake, Lateral.
Cantilever Beam Stiffness
Civil Engineering Formulas And Graphs
Formula Used:
Stiffness (k) = (3 × E × I ) / l3
Where,
E - Young's Modulus
I - Area Moment of Inertia
l - Length
Related Calculator:
Colebrook White Equation
Formula :
where,
S - hydraulic gradient,
v - kinematic viscosity of water,
D - Internal diameter,
Ks - Roughness coefficient,
g = 9.81 m/s2,
A - Area of section.
Related Calculator:
Cantilever Beam Slope, Deflection With Couple Moment
Formula Used:
Slope at free end = ML / EI
Deflection at any section = Mx2 / 2EI
Where,
M is the couple moment at the free end,
E is the Elastic Modulus,
I is the Area moment of Inertia,
L is the Length of the beam and
x is the position of the load.
Related Calculator:
Cantilever Beam Slope, Deflection with Uniformly Distributed Load
Formula Used:
Slope at free end = PL3 / 6EI
Deflection at any section = Px2( x3 + 6L2 - 4Lx ) / 24EI
Where,
P is the externally applied load,
E is the Elastic Modulus,
I is the Area moment of Inertia,
L is the Length of the beam and
x is the position of the load
Related Calculator:
Cantilever Beam Slope, Deflection for Uniform Load
Formula Used:
Slope at free end = P0L3 / 6EI
Deflection at any section = P0x2 ( x3 + 6L2 - 4Lx ) / 24EI
P0 = PL / (L-x)
Where,
P0 is the Maximum intensity,
P is the Externally applied load,
E is the Elastic Modulus,
I is the Area moment of Inertia,
L is the Length of the beam and
x is the position of the load.
Slope at free end = P0L3 / 6EI
Deflection at any section = P0x2 ( x3 + 6L2 - 4Lx ) / 24EI
P0 = PL / (L-x)
Where,
P0 is the Maximum intensity,
P is the Externally applied load,
E is the Elastic Modulus,
I is the Area moment of Inertia,
L is the Length of the beam and
x is the position of the load.
Related Calculator:
Cantilever Beam Slope, Deflection for Load at Free End
Formula
Slope at free end = PL2 / 2EI
Deflection at any section = Px2(3L-x) / 6EI
Where,
P is the externally applied load,
E is the Elastic Modulus,
I is the Area moment of Inertia,
L is the Length of the beam and
x is the position of the load
Related Calculator:
Cantilever Beam Slope, Deflection for Load at Any Point
Formula Used:
Slope at free end = Pa2 / 2EI
Deflection at any section = Px2(3a-x) / 6EI(for x less than a)
Deflection at any section = Pa2(3x-a) / 6EI(for a less than x)
Where,
P is the externally applied load,
E is the Elastic Modulus,
I is the Area moment of Inertia,
Lis the Length of the beam and
x is the position of the load
a is the distance of load from one end of the support
Related Calculator:
Feet and Inches Arithmetic
Formula Used:
Multiplication = ( (Value1-ft X 12) + in) X ( (Value2-ft X 12) + in) Addition = ( (Value1-ft X 12) + in) + ( (Value2-ft X 12) + in) Subtraction = ( (Value1-ft X 12) + in) - ( (Value2-ft X 12) + in) Division = ( (Value1-ft X 12) + in) / ( (Value2-ft X 12) + in)
Where,
ft - Feet
in - Inches
Related Calculator:
Flexible Pavement Structural Number
Formula:
L=a1ta + b1tb + c1tsb +d1tad
Where,
L=Structural Number of Flexible pavement,
a1=Layer coefficient for asphalt ,
ta=Asphalt layer thickness,
b1=Layer coefficient of base,
tb=Base layer thickness ,
c1=Layer coefficient of sub-base,
tsb=Sub-base layer thickness,
d1=Layer coefficient of additional layer,
tad=Thickness of additional layer
Related Calculator:
Vertical Curve Offset Distance
Formula Used:
E = [ L x (g2 - g1) ] / 8Where,
E - Vertical Offset
g1 - Initial grade
g2 - Final grade
L - Length of the curve
Related Calculator:
Vertical Curve Length
Formula Used:
Lm = [ S² × (g2 − g1) ] / 864 ∀ S<Lm
Lm = 2S - [ 864 / (g2 − g1) ] ∀ S>Lm
Where,
Lm - Minimum Curve length
g1 - Initial grade
g2 - Final grade
S - Passing Sight Distance
Lm = [ S² × (g2 − g1) ] / 864 ∀ S<Lm
Lm = 2S - [ 864 / (g2 − g1) ] ∀ S>Lm
Where,
Lm - Minimum Curve length
g1 - Initial grade
g2 - Final grade
S - Passing Sight Distance
Related Calculator:
Crest Vertical Curve Length
Formula Used:
Lm = ( A×S² ) / ( 200 × (√h1 + √h2)² ) ∀ S<Lm
Lm = 2S − { ( 200 × (√h1 + √h2)² ) / A } ∀ S>Lm
Where,
A - Absolute difference between g2 and g1
S - Sight Distance
Lm - Minimum Curve Length
h1 - Height of driver's eye above roadway surface
h2 - Height of object above roadway surface
Related Calculator:
SAG Vertical Curve Length
Formula Used:
Lm = ( A×S² ) / ( 200 × (H + S ×tanβ) ) ∀ S<Lm
Lm = 2S − { ( 200 × (H + S ×tanβ) ) / A } ∀ S>Lm
If S > L, then the first formula is used, if L > S, then the second formula is used.
Where,
A - Absolute difference between g2 and g1
S - Sight Distance
Lm - Minimum Curve Length
H - Height of headlight
β - Angle of Headlight Beam
Lm = ( A×S² ) / ( 200 × (H + S ×tanβ) ) ∀ S<Lm
Lm = 2S − { ( 200 × (H + S ×tanβ) ) / A } ∀ S>Lm
If S > L, then the first formula is used, if L > S, then the second formula is used.
Where,
A - Absolute difference between g2 and g1
S - Sight Distance
Lm - Minimum Curve Length
H - Height of headlight
β - Angle of Headlight Beam
Related Calculator:
Rate of Change Vertical Curve
Formula Used:
r = (g2 − g1) / L
Where,
r - Rate of change of grade
g1 - Initial roadway grade
g2 - Final roadway grade
L - Length of the curve
Related Calculator:
Transportation Highways Horizontal Curve
Formula
R = 5729.58 / D
T = R * tan ( A/2 )
L = 100 * ( A/D )
LC = 2 * R *sin (A/2)
E = R ( (1/(cos (A/2) ) ) - 1 ) )
M = R ( 1 - cos (A/2) )
PC = PI - T
PT = PC + L
Where,
D = Degree of Curve, Arc Definition
1° = 1 Degree of Curve
2° = 2 Degrees of Curve
P.C. = Point of Curve
P.T. = Point of Tangent
P.I. = Point of Intersection
A = Intersection Angle, Angle between two tangents
L = Length of Curve, from P.C. to P.T.
T = Tangent Distance
E = External Distance
R = Radius
L.C. = Length of Long Chord
M = Length of Middle Ordinate
c = Length of Sub-Chord
k = Length of Arc for Sub-Chord
d = Angle of Sub-Chord
Related Calculator:
Elevation Point of Vertical Curve
Formula Used:
y = epvc + g1x + [ (g2 − g1) ×x² / 2L ]
Where,
y - elevation of point of vertical tangency
epvc - Initial Elevation
g1 - Initial grade
g2 - Final grade
x/L - Length of the curve
Related Calculator:
Vehicle Stopping Distance
Formula Used:
Stopping Distance =(v×t) + { v² / [2×g×(f±G)] }
Where,
g - gravity (9.8)
v - Vehicle Speed
t - perception Time
G - Grade of Road
f+G - Grade of Uphill
f-G - Grade of Downhill
Related Calculator:
Spiral Curve Tangent Distance
Formula Used:
Y = L − { L5 / ( 40×R²×Ls²) }
Where,
Y - Tangent distance to any point on the spiral
L - Length of spiral from tangent to any point
Ls - Length of spiral
R - Radius of Simple Curve
Related Calculator:
Spiral Curve Deflection Angle
Formula Used:
i = L² / ( 6×R×Ls)
Where,
i - Tangent deflection angle to any point on the curve
L - Length of spiral from tangent to any point
Ls - Length of spiral
R - Radius of Simple Curve
Related Calculator:
Earthwork Cross Sectional Area
Formula Used:
Where,
A - Area of cross section
Xi - Horizontal axis
Yi - Vertical axis
n - Number of points on cross section
Where,
A - Area of cross section
Xi - Horizontal axis
Yi - Vertical axis
n - Number of points on cross section
Related Calculator:
Earthwork Cross Section Volume
Formula Used:
V = ((A1 + A2) ×L) / 2
Where,
L - Length between two areas
A1 - Cross section area of first side
A2 - Cross section area of second side
V - Eathwork Volume
Related Calculator:
Concrete Slab Maximum Length
Formula
L = ( 0.00047hr (fsS) ^2 ) ^ ( 1/3 )
Where,
L = Slab Length,
hr = Thickness of reinforced slab,
fs = Yield strength of steel reinforcement,
S = Steel reinforcing ratio
Related Calculator:
Concrete Slab Volume
Formula Used:
Volume of concrete Slab = w × l × t
Where,
l - Length
w - Width
t - Thickness
Related Calculator:
Concrete Slab Maximum Wall Load
Formula:
P = 9.93 ( fc^0.5 )( te^2 ) ( ( k / (19000 ( fc^0.5 )( te^3 ) ) ) ^ 0.25
Where,
fc = Concrete compressive strength,
k = Modulus of subgrade reaction,
te = Slab thickness.
Related Calculator:
Maximum Floor Load Capacity
Formula:
w = 257.876s ( kh / E ) ^ 0.5
Where,
w = Maximum Allowable Stationary Live Load,
k = Modulus of subgrade reaction,
h = Thickness of slab,
s = Allowable extreme fiber stress in tension,
E = Modulus of elasticity.
Related Calculator:
Civil Engineering Formulas Pdf
Concrete Footing Volume
Formula Used:
Volume of concrete Footer = [ (ow × ol) − (iw × il) ] × t
Where,
ol - Outside Length
ow - Outside Width
il - Inside Length
iw - Inside Width
t - Thickness
Related Calculator:
Number of Cubic Yards Required for Concrete Column Fill
Formula:
Radius = diameter/24 cubic yards = (height*(radius)2*22/7)/27
Related Calculator:
Concrete Footing
Formulas Used:
Footing Pours = ( Diameter * ( Width / 12 ) ) * ( Depth / 12 ) / 27 );
Related Calculator:
Concrete Volume
Formula:
Concrete Volume = [( 22/7 )r2 * depth ) / 27 ] * Quantity
Related Calculator:
Block Wall Cubic Yards
Formula:
For size = 8inchCubic Yards to be filled = (L * W * 0.32 / 27);
For size = 12inch
Cubic Yards to be filled = (L * W * 0.51 / 27);
Related Calculator:
Cubic Yards of Circular Stepping Stones
Formula:
Single Stepping Stone = (Π X r2 X h) / 46656
Where,
h = Depth in inches
r = d / 2
d = Diameter in inches
Related Calculator:
Cubic Yards of Rectangular Stepping Stones
Formula:
Single Stepping Stone = (l X b X h) / 324
Where,
l = Length in feet
b = Width in feet
h = Depth in inches
Related Calculator:
Cubic Yards of Triangular Stepping Stones
Formula:
Single Stepping Stone = (l X b X h) / 648
Where,
l = Length in feet
b = Width in feet
h = Depth in inches
Related Calculator:
Block
Formula:
Number Of Blocks = (Length × Width) / Block SizeRelated Calculator:
Concrete Mix Ratio
Formula:
Volume= Width × Height × DepthCement = Volume × 320
Sharp Sand= Volume × 600
Gravel = Volume× 1200
Water = Volume × 176
Related Calculator:
Concrete Wall
Formula:
Concrete Wall (CW) = (Length × Thickness × Height) × 0.037037Related Calculator:
Concrete Driveways Cost
Formula:
Rectangle,C = L × W × T × R
Circle,
C = π × (M/2)2 × T × R
Footing,
C = L × W × D × R
Circular column,
C = π × (M/2)2 × D × R
Where,
C = Total Cost Of Concrete Driveways
L = Length(yard)
W = Width(yard)
T = Thickness(yard)
R = Cost
D = Depth(yard)
M=Diameter(yard)
Related Calculator:
Civil Engineering Formulas Pdf
Safe Speed For Horizontal Curve
Formula:
If Safe speed of Horizontal Curve greater than 50 mphSafe Speed for Horizontal curve ( V > 50mph ) = ( ( ( -0.03 × r ) + ( √ (((.03 × r) × (.03 × r)) + ((4 × r) × ((15 × (e / 100)) + 3.6))))) / 2)
If Safe speed of horizontal curve less than 50 mph
Safe Speed for Horizontal curve ( V < 50mph ) = ((( -.015 × rhname ) + ( √ ((( .015 × rhname ) × ( .015 × rhname )) + ((4 × rhname) × (( 15 × ( ehname / 100 )) + 2.85 ))))) / 2);
Where,
r = Radius of Horizontal Curve(ft)
e = Superelevation
Related Calculator:
Cornering Force
Formula:
t = u × m × g × sin(a)f = ( u × m × g × sin(a) ) + ( m × g × cos(a) )
v = √ (((( u × m × g × sin(a) ) + ( m × g × cos(a) )) × r ) / m )
Where,
t = Static Friction
u = Static Friction's Coefficient
m = Mass of Vehicle (kg)
g = Gravity Accelaration
r = Radius (m)
f = Total Net Force
v = Maximum Speed
a = Slope of the Road
Related Calculator:
Concrete Driveway
Formula:
A = l × bP = 2 × (l+b)
Where,
A = Drive way Area
P = Drive way Perimeter
l = Length
b = width
Related Calculator:
Roof Slope
Formula:
Run(inches)= ( 12 × Rise ) / Roof PitchSlope = ( Rise / Run ) × 100
Angle = tan-1( Rise / Run )
Related Calculator:
Roof Angle
Formula:
Run(inches) = ( Rise / Slope ) × 100Angle = tan-1( Rise /Run )
Roof Pitch = ( Rise /(Run/12) )
Related Calculator:
Roof Pitch
Formula:
Pitch = S / ( N / 12 )Slope = ( S / N ) × 100
Angle = tan-1 ( S / N )
Where,
S = Rise (inches)
N = Run (inches)
Related Calculator:
Rise Run Slope
Formula:
Run(inches) = Rise / tan(angle)Roof Pitch = Rise / ( Run/ 12 )
Slope = ( Rise / Run) × 100
Related Calculator:
Curve Surveying
Formula:
l = π × r × i / 180t = r × tan(i / 2)
e = ( r / cos(i / 2)) -r
c = 2 × r × sin(i / 2)
m = r - (r (cos(i / 2)))
d = 5729.58 / r
Where,
i = Deflection Angle
l = Length of Curve
r = Radius
t = Length of Tangent
e = External Distance
c = Length of Long Chord
m = Middle Ordinate
d = Degree of Curve Approximate
Related Calculator:
lb/ft<sup>3</sup> to kN/m<sup>3</sup> Conversion
Formula:
T = S × (9.81 kN/m³ / 62.4 lb/ft³)Where,
T = Total Unit Weight in kN/m³
S = Total Unit Weight in lb/ft³
Related Calculator:
Insulation
Formula:
Approximate Sq.Ft Needed = Area Width × Area HeightRelated Calculator:
Trapezoidal Footing Volume
Formula:
V = h / 3(A1 + A2 + √(A1 * A2))Where,
V = Volume of Trapezoid Footing
h = Height of Trapezoidal
A1 = Area of the Lower Shape
A2 = Area of the Upper Shape
A1 = m x n (Lower Height x Lower Breadth)
A2 = o x p (Upper Height x Upper Breadth)
Related Calculator:
Concrete Yardage
Construction Formulas Pdf
Formula:
Concrete Yardage = L × W × H/12 × 0.037037Where,
W = Width(ft)
L = Length(ft)
H =Thickness(inch)
Related Calculator:
Curb and Gutter Barrier Concrete Yardage
Formula:
Concrete Yardage = (l×(f/12.0×(g/12.0+h/12.0))+l×(h/12.0×h/12.0)) × 0.037037Where,
l = Length(ft)
f = Flag Thickness(inch)
g = Gutter Width(inch)
h = Curb Height(inch)
Related Calculator:
Concrete Wall
Formula:
Concrete Yardage = Length × Height × (Thickness /12) × 0.037037Related Calculator:
Concrete Footing Yard
Formula:
Concrete Yardage = Length × Width(inch) /12 × Height(inch) /12 × 0.037037Related Calculator:
Concrete Yards
Formula:
c =((((n × t/12.0)×(n×r/12.0))/2)+((n×(t/12.0×r/12.0))/2))×w × 0.037037Where,
c = Concrete Yardage
n = Number of stairs
t = Tread(inch)
r = Riser(inch)
w = Width(ft)
Related Calculator:
Concrete Volume
Formula:
V = H x B x WT = M + N + O
X = (M / T) x V
Y = (N / T) x V
Z = (O / T) x V
Where,
H = Height of Concrete
W = Width of Concrete
B = Breadth of Concrete
M = Cement Ratio
N = Sand Ratio
O = Coarse Ratio
V = Volume of Concrete
T = Total Ratio of ingredients
X = Cement Quantity
Y = Sand Quantity
Z = Coarse Quantity
Related Calculator:
Plaster
Formula:
V = A x TX = V x 1.54
C = X x (M / G)
S = X x (N / G)
Where,
T = Plastering Thickness
V = Volume of Cement Mortar
A = Area of Plastering
M = Ratio of Plastering Cement
N = Ratio of Plastering Sand
C = Cement Required (1 Part)
S = Sand Required (5 Part)
X = 35% Sand Bulkage
G = Total ratio (M+N )
Related Calculator:
Floor Tile
Formula:
Perimeter of Room = (2 x ( Room length + Room breadth)) - Door widthSkirting Tiles Area = Perimeter of Room x Skirting Tiles Height
Area of Room = Room length x Room Breadth
Total Area to be Laid = Area of Room + Skirting Tiles Area
Area of Tiles = Tiles length + Tiles Breadth
Number of Tiles We Need = (Total Area to be Laid / Area of Tiles) x Tiles Wastage%
Related Calculator:
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