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Transcript of calculux road
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CalculuxRoad
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Specify and calculate standard road lighting schemes
On basis of – Lighting requirements (Lav, Eav, Uo, U1, TI, SR)
Calculux Road
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Obs 1
Obs 1
Obs 2
Obs 2 CEN 13201
In the transverse direction the observer shall be positioned in the centre of each lane in turn.
General Remarks
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LP = Qo x EP
Qo: reflection coefficient of the road surface
Qo is defined by CIE depending on type of road surface (Road reflection tables)
Asphalt CIE R3with Qo=0.07 used in the M.E.
E, L and Qo
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Specify and calculate standard road lighting schemesOn basis of – Lighting requirements (Lav, Eav, Uo, U1, TI, SR) – Preset standard grids (CEN)
Calculux Road
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w
s
3w60m
Default observer position: Middle of each lane60m ahead of the road section
Luminance calculation and measurementsCIE method
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distance60 meter
distance
max.100m
height of observer 1.50m
2 luminaires in a same row are
enclosed
Observer in the center
of each lane
LUMINANCE : Field of calculationCEN method
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Road ≤ 6.02
Grid Method1
Grid Method2
Grid Method3
Grid Method4
Grid Method5
Grid Method6
Grid Method7
Grid Method8
Road > 6.02
CEN Luminance
CEN Illuminance
LUMINANCE : Field of calculationGrids / Consequences on Calculux Road
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In the longitudinal direction : D = S / ND : spacing between points in the longitudinal direction, in metres
S : spacing between luminaires in the same row, in metres
N : number of calculation points in the longitudinal direction with the following values:
for S ≤ 30 m, N = 10;
for S > 30 m, the smallest integer giving D ≤ 3 m The first transverse row of calculation points is spaced at a distance D/2 beyond the first luminaire (remote from the observer).
Spacing of the points in a driving lane :
In the transverse direction : d = WL / 3d : spacing between points in the tranverse direction, in metres
WL : width of the lane, in metres
The outermost calculation points are spaced d/2 from the edges of the lane.
LUMINANCE: Position of calculation points
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LUMINANCE: Position of observer
• Observer is located at the centre of each lane• Observer´s eye is 1,5 m above the road level
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Calculux Road 6.1 Vs Calculux Road 5.0b
Road > 6.02
Road ≤ 6.02
Operative value of average luminance is thelowest calculated
Operative value is the average value of the calculated average luminance per lane
New Old
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Road ≤ 6.02
Road > 6.02
Consequences on Calculux Road 6.1
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.Lmin
Lave
Luminance uniformities: Uo and Ul
Overall uniformity (Uo)Uo = Lmin/Lave
Lmin is the lowest luminance occuring at any grid point in the field of calculationIt is calculated for each observer, the lowest value is considered
Lengthwise uniformity (Ul)Lmin Lmax
Ul = Lmin/Lmax
Lmin and Lmax are for points on the centreline of each lanethe lowest Ul value is considered
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Road ≤ 6.02
Road > 6.02
Consequences on Calculux Road 6.1
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Obs1
Calculation fieldOperative value of TI shall be the highest value among observers.
Obs2height of
observer 1.50m
Observer in the enter of each lane
Threshold Increment TI
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Road > 6.02
Road ≤ 6.02
Consequences on Calculux Road 6.1
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Surround ratio: SR
SR = Ekirb / Eroad
Old method SR left SR right
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EN 13201SR = (E1+E4) / (E2+E3)CIE 115SR(1) = E1/E2 SR(2) = E4/E3
For dual carriageways, both carriageways together are treated as a single carriageway unless they are separated by more than 10 m.
The width of all four strips shall be the same, and equal to 5 m, or half the width ofthe carriageway.
Location of strips with width of strip equals 5 m :
Surround ratio: SR
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The width of all four strips shall be the same, and equal to 5 m, or half the width of the carriageway.
Location of strips with width of strip less than 5 m because width of carriageway is less than 10 m
EN 13201SR = (E1+E4) / (E2+E3)
Surround ratio: SR
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Road ≤ 6.02
Road > 6.02
Surround ratio SR In Calculux scheme editor
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Calculux Road
Specify and calculate standard road lighting schemes
Optimize individual and multiple schemes
Perform lighting calculations not directly related to the main road (e.g. on a footpath or the front of a house)
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Centre of the light emitting area(main axis of luminaire)
Luminaire is positioned withX, Y, Z coordinates of the
Luminaire positioning: XYZ coordinates
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∧
C = 270°
�= 180°C = 0°
C = 90°C = 180°
�= 0°
�
�= 90°
C + 20° plane
Plan of Maximum Beam intensity
axis of rotation
+ZRotation: + value anti-clockwise
+
axis of tilt
Tilt90: + value towards +Z
+
-XBy default:• Lamp axis parallel to X axis• Bracket in C=270o plan roadside
kerbside+Y
Location and orientation
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• Single-Sided (left or right)
• Staggered
• Opposite
• Twin Central
• Twin Central and Opposite
Lighting arrangements
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Single Sided Opposite CatenaryStaggered
Wroad ≤ Hpole Wroad ≥ 1.5 x Hpole Hpole ≤Wroad ≤ 1.5 x Hpole
Lighting arrangements
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Angle of Tilt: 0, 5, 10 or 15o
Overhang
Mounting Height
Mounting details
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By:
• Positioning of poles
• Using different lamp colours
• Use of high masts
Visual Guidance
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0.7SS 0.7S
Preferred poles location
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S
1/2S
Preferred poles location
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1/2 S
S
Preferred poles location
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proper arrangement and positioning of poles
Single sided left preferred to right for a curve to the right
Opposite Arrangement preferred to staggered for a curve
√ X
√ X
Creating visual guidance
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using different lamp coloursHPL-N, SON, SON-Comfort, SOX-E
Creating visual guidance
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Use of high masts (>25m)
Creating visual guidance
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+Accumulation of dust and dirt in the bowl(IP rating of optical compartment)
85%
Lamp type:SON(-T) (Plus) /150/250/400W
Lumen depreciation of the lamp
Inevitable and max. 85%throughout lifetime of SON(-T) (Plus)
Higher IP (optical compartment)→ Lower the dirt factor
↓Higher the M.F.
Calculux Road: Maintenance factor
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Example1
– Dual carriageway
– Width: 11.25m (with 3 lanes)
– Central reservation: 5m
– Twin central arrangement– Post top mounting:
• Tilt 90: 5o
• Overhang= - 2 (-2.5m + 0.5m = - 2m)
– Luminaire: • SGP551 / 400W SON-TP GB
Lighting requirements
CIE Class M2
– Lav ≥ 1.50 cd/m2
– Uo ≥ 0.4
– U1 ≥ 0.7
– TI ≤ 10
– SR ≥ 0.5
SON-T: 48,000 lumenSON-TP: 55,000 lumen
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Example 2
– Single carriageway
– Width: 7.30m (with 2 lanes)
– Single sided left arrangement– Post top mounting: Tilt 90 = 5o
– Overhang: - 0.5– h=10m– S=40m
– Luminaire: • SGP551 / 150W SON-TP GB
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•
– Dual carriageway
– Width: 11.25m (with 3 lanes)
– Central reservation: 2m
– Pole height: 16m (Post top)
– Overhang: –0.5
– Tilt90: + 5o
– Arrangement: Twin central
– Spacing: 62m
– Luminaire:
SGP551/ 400W SON-TP GB
40m
24m
(30,24)
Parking area
Example 3
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P1 , 2X=30m
Y=8m
24m
40m(30,24)
Option1 2x Line arrangements
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Design steps:
P2 , P1
Line 2: P2(29.5 , 8, 10)
X=30m
Y=8m
Line 1: P1(30.5 , 8, 10)
1- X,Y of the 1st luminaires
B: Define parameters of the 2 lines
2- Number of luminairesper line
- 3 per line
- 3 per line
3- Spacing between luminaires
- S=16m
- S=16m Luminaire: Rot 180o
C: Define parameters luminaires
Rotation Tilt90
Luminaire: Rot 0o , Tilt90=5o
, Tilt90=5o
Option1 2x Line arrangement
24m
40m
A: Draw the field and setthe coupling grid
(30,24)Centre
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Option 2: 1x Line arrangement
Line 1: P1(42, 8, 10) - 3 per line - S=16m
Luminaire: Rot 180o, Tilt90=5o
X=42mP1Y=8m
40m
24m
•(30,24)
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