2
1
TRACK £.
A
Г
в
о»Й
<uiy
2?
(DX
<4
272o
D
RAIL LEVEL
5Q$
DRAWING No.
Д|.до-902£22Ь
23TS
JE
F
G
4
5
6
7
il
e-C’fr 54»


EQUATfObJS
X= K£A < В +T
Y = /<yA+C *T

AND
ISSUE
£
GRID REF
ALTERATION
FIRST ISSUE
FiatJePs' iteifisep : T/tlf w}?ifii=p.
DATE
17-6-83 fl-il-6b
MFp
11-34 V2
SEE NOTE <>
A
T — TRACK ALIGNMENT TOLERANCE •+* REDUCTION DUE TO CROSS LEVEL ERROR (CL^') + FLANGE TO RAIL CLEARANCE + TYRE PROFILE AND RAIL HEAD
REDUCTION due to
Notation
WEAR.
CONTROLLED
1. Usage Contract Holders
£7 £ CROSS L^VE-L	T.

<3 = TRACK CANT
= CURVE RADIUS
X = Kinematic envelope semi- width at cant - rail
Y = Kinematic envelope semi-width at waist-&ML
D = CANT DEFICIENCY Him.
(\c— FLEXIBILITY COEFFICIENT AT CANT-RAIL (seE TABLE I).
FLEXIBILITY COEFFICIENT AT WAIST-RAIL (s££ TABLE I).
A = Equivalent cant mm (see equation 3^ -
Л1М
HETHEi .
rum.
mm.
В = ENVEJ-OPE
SEMI— WIDTH
At CANT-RAIL ON LEVEL TRACK
mm
I
w
FIG. L
KINEMATIC ENVELOPE SEMI—WIDTHS FOR some CASES’—
VEHICLE SMULATN6 TL8 ОрвКАТ/Нб QONPITiOM ОН 50PT PRIMARY 3U5PEH510N CASiUVING ТЕНТ TEACK TOLERANCES)	X/rirn	Y m*r>
STANDING ON LEVEL TRACK .		
STANDING ON /52 mm CANT TOWARDS THE INSIDE OF THE CURVE	/532	15/7
Curving AT 2OO km/h ON 233mm CANT DEFICIENCY TOWARDS THE OUTSIDE OF THE CURVE	l&(2>-4	1^50
I (worst CASE when RUNNING AT CAPTspeed) I
'	CURVING AT ICbO km/h
I	OlV 1/2 mm CANT DEFFICIENCY
towards the outside of the curve . (worst case when running at line speed)
MAXIMUM .'EC \1OO METFE CJPVE
~ 23-GG km)h).
/6/5
/526
/54^
33oo
3300
/4?7
VEHICLE Geometry calculAt/qn of curve overthrow
2
s
RDDS
Railway Documentation and Drawl ng Services Limited
"Drew nga documents and сПещ'яшэ Issued ty 7DD& Llmltec are I hl Ed without йп^ Vttiriii.ilLy cr r-jfjrusurLaliuiиь l« llic dullizjiLМф Jr uvPiHirsliip и UiL-yu druwirigt, documents and diagrams or as to whether tiey infringe the rights of a if third oarty. Nor is ary warranty or representation given as to the contents of -such drawing-з, datumente and diagr^m^. their accuracy, c.arrplfit£nee&l authenticity ar ыКбгшкв.”
Subjectto local control p'ocerbres once о a pled'printed outside o1 PADS system. Always check your contract for applicabls Document version.
NOTcS
В
C = envelope
v 1
SEMI — WIDTH
coefficient
AT WAIST- RAIL ON LEVEL TRACK
(SES TABLE TWo) .
.№EE1>~ SPEED
VEHICLE SPEED	.
SPEED DEPENDENT CONSTANT /t
CANT RAIL HEIGHT mm A.R.L- "1 t WHEN UPRIGHT.
WAIST RAIL HEIGHT mm A. R.L. J (S£E DIAGRAM)
F =
table *2^.
TAM-E I.
(SEE table f)_ (SEE TABLE /J,
2)
TRACK TOLERANCES ARE BASED ON DEPARTMENT OF TRANSPORT a
Booklet railway construction a«D operating requirements —
STRUCTURAL AND ELECTRICAL CLEARANCES?
FOR THE CROSS LEVEL ERROR (CLE) DUCTED IN THE ABOVE BOOKLET So % .'5 ASSUMED To BE DISCRETE , Giving RISE To Dynamic movement Only, remaining CLE WHICH is Assumed CONTINUOUS IS TABULATED in TABLE 3,
NO ALLOWANCE is MADE FOR VEHICLE END OR CENTRE THROW ON CURVES .
To CALCULATE THESE MOVEMENTS SEE APT MECHANICAL DESIGN
NOTE APT (Mb) 213 AND VEHICLE GEOMETRY IN F/6. 2 BELOW. j
c
SF’ECJUE’-N CALCULATION! -
SimuLftTiNb 77.5 VEHICLE IN 0FE£AT/MG CONP/T/04
4 EITTEP WIPH ЪОРГ P£lMAgr SUSPENSION.
CONS I PEP. THE 7EH/CLS LOAPEP lb SIMULATE P0OCEEPIN& AT 2OOIC>n/h
WITH A tE>° HARD TILT FAILURE AND EXPERIENCING 238 mm CANT DEFICIENCY.
ALSO CONSIDER TIGHT TRACK TOLERANCES.
D	=	238 mm
KsP££t> =	<7'25
F	=	G2
У/	=	2CO
= 0-36
= /471
= 0-/6
= /435
= 2797
= 1844 = 7-S mm REDUCTION DUS to CLE = 75^5 *	/844 )~ /5
s
C
Ac
(CLE)
= 44 or 38 .
A = 23S + 7-5 + O-2&X 200+G2 - B57-5
So X = 0-5<4 x 357-54 I49I +^4 = Ibtbj.
У = 04(4 к 357-5+ I45& + Зв = /frSO
3
s
a
4
-----
OR 9 • — PROM ABOVE
---FROM
--- FROM
--- FROM
EQUATION
EQUATION
equation (2)
5
WW5W VEHICLE /5 iOAPEP TO EMULATE AFT-U 'VEHICLE1	ГЕ			TL.S	
GONPinCM	5EZV/CE	OreEATtW			
PZiMAeY sus/fems/g^	SOFT	50^T	UAZP	SOFT	HASP
	0.18	0-50	0-25	0.5(4	0.27
4 IN	0-08	0.15	O./0	04(4	042
&	1470	/487	/479	/45/	/482
c	I44q>	/455	1488	/458	>451
UN THE CASE OF TRAILER VEHICLES^ HEIGHTS Are wn'H AiRSPRiNGS inflated and on new wheels, no figures are quoted for vehicle SUSPENSION DEFLATED swept out by д vehicle on a
, since the kinematic envelope deflated SUSPENSION is smaller
than that Swept out fiv the
SAME VEHICLE <M AN INPLATED
SUSPENSION-
D

5)
,Lv
NECESSARY To DESCRIBE EQUIVALENT
TABLE 2.
SPEED km/h	KsPEED	F
112	O’ so	0 <£>2
V>//2	o-25	
TABLE 3
TERM;	TRACK TOLERANCE mm	
	NORMAL	П43НГ
TKACH' AUG/4ME/4T	es	/5
CROSS LEVEL ERRo/^Cle}	ю	7-S
FLANGE 70 RAIL CLEARANCE	8	8
TV№E PROFILE AND RAIL HEAD WEAR	th	<&
TABLE 4
IF THE SPEED DERIVED FROM THIS TABLE is tN EXCESS
OF THAT PERMISSIBLE AT THE LOCATOR BEING CONSIDERED
USE MAX. PERMITED SPEED IN EQUATION (St)
/ R .	km/k.
33/B-<&	О’ОВЪВхR
33/3-й*/?й/0609	H2
/?> /0609	0-010557 *R
s
6
-----S’
7
TWO SEPARATE EQUATIONS ARE
CANT. EQUATION (З5) IS VALID WHEN CONSIDERING CLEARANCES ON THE
outside of curves .
IS valid WHEN CONSIDERING
CLEARANCES ON THE INSIDE OF CURVES. IN THE CASE OF EQUAT/C MAXIMUM DISPLACEMENT OCCURS AT A SPEED DEPENDANT UPON CURVE RADIUS. THIS RELATIONSHIP IS TABULATED IN TABLE 4. ON STRAIGHT TRACK F BECOMES 00 AND TRACK NOMINALLY LEVEL
E
L

SO Equations
BECOME IDENTICAL.
CHIEF MECHANICAL & ELECTRICAL ENGINEER
BRITISH RAILWAYS BOARD
DATE
ORDER
SEE
Nd. OF
NUMBERS
VEHICLES/BOGIES
CLASS
£
Ги
~^l5~
F
G
<&/
CINEMATIC ENVELOPE ft)? INR^-CiTY 22b
TEbT VEHICLE SdFFeeiMG
ISSUE
DRAWN
CH’KED.
ENDORD.
APFD.
DRAWING No.	_
AI-ACh5O2'2'22&
SCALE
I = IO
If
-»T
"ar