An spe ial provisio s or proc d ures to minimize the risk ofi nju ry or dama e sha ll be cl earl y spe cifie d... Base width o fa typical vehicle ramp rB arier stop Figur 3.. Typical veh
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ICs 4 18
Ní C.OPYING WT H IJT BSI PE MIS ION E C P AS PE MIT E B COPY IGHT LAW
12 b: 1997
Trang 2Amd No
Frs p blsh d F bur 19 88
Amd 59 70, Ju e 19 88
The fo llo wing BSI references
rela te tnt he work o thi
sta nd a r d :
Com mitt ee reference Am9
Dra t for comm ent 9 5R16064 D C
ISBN O 6 0 2 3 6 1
BS AU 2 24 b : 1 97
The p rep arati o n ofthsBritish Stan ard was e n tru ste d t o T c nicl Commite
AW9, Automo ie de tai ls a d ac cesso ri e s, upon which th e folowing bodies w ere
rep re sented:
Automobile As s o c iation
C ons umer Polcy Commite ofB SI
D epartment ofTra e and Indu stry (C ons umer S fty Unit, CA Divis io )
D ep artment of'Ii-a s po rt
Garage Eq ip ment As s oc iatio n
I n stitu te of?k.a in Sta nd ar d s Adminis ts atio
So c iety ofMotor M anufactu rers a d Ik-ader Limited
T is B tish St a nd a rd , h a vin
b e prepa r ed u d er t he
d irect io of t he En in er in
S cto Boa r d , wa p blsh d
u d er t he a uthority oft he
St a nd a rd s Bo rd a nd com es int
e et o
1 Oct obe 19 97
O BS I 19 9 7
Trang 3B S AU 224b :19 9 7
Con te n ts
page
2 Normative re e ren ces
3 D efinitio ns
6 Markin g
A ( no rmati v e) C las s ific atio n ofvehi c l es acc o rdi ng t the E U 4
B
C ( no rmati v e) Rolhf an d o ve rtrav el test
(normative) Test fo r lo ngitu inai mo ement
4
4
E ( no rmati v e) Ts oframp platform sec ti o n stren gth 6
F igures
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BS AU 22 4 b : 19 9 7
T h i s Britis h Stan dard h s bee n prepared b Tec hnic al C ommitte AU E/S to esta li sh a
stan dard ofp erfo rma c e for p rta l e whe l ramp s to e n su re tha t they a re s ufic iently
ro u st so that u n de r no rmal u se they wi n ot fai l The stan dard al so aims t o en su re
that the ramp s a re con stru cted an d desi g ne d s that th e y wi l be stabl e a n d wi n t
d mage the vehic le when u sed in their i ntende d ma ner I su pe rse des BS AU 2 4 :
19 8 whic h is w i thdraw n
Thi s Britis h Sta d rd cls for the us ofsu bstan ce s a d r proc du re s th at ma be
iqju o s to health if a e qu ate pre au tion s a re no t taken I re fer o iy to te c hni c al
su i tab i l i ty a d does n ot a so l ve the u ser fro m leg al o bl i g ati o ns re l ati n g to health a d
safety a a y stag e
Complanc e with a British Standard does not ofit elf confe immunity
from leg l obl g tions
S mmary of pa es
This do c u me nt c o mp ri ses a fro nt c over, a ins ide front c over, p ag e s i an d i, p ag es
1 to 6, a i nsi de b ck c o v er a nd a b ack co er
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BS AU 224b :19 9 7
1 Scope
This British Sta nd ar d spe ifies r eq uir em ents for t he
de si gn , co sb ctio , perfor m anc a nd marki ng of
p rtable whee l ra m ps for car s a nd li g ht v n s
This Bri ti sh Sta nd ar d incor porat es, by d ated or
u d a ted ref renc , pro ision s fro m other
pu bl i cation s T h ese n ormativ e ref renc s a re made
at t he a ppropria te pla ces in t he t ext a nd t he cited
pu bl i catio is lst ed o t he insid e back cov er F or
d at ed r ef renc s, o nl y t he editio cited a pl ie s; any
su seq uent am end m ents to or re vision s oft he cited
pu bl i catio appl y to this sta nd ar d only wh en
incorp ra ted in t he ref renc b amen dmen t or
revi si o n For u d at ed r ef r enc s,t he la test e ditio of
t he cited pu bl icatio a pples, together w i th any
ame n dmen ts
3 De initions
For the p r poses oft his sta nd a rd t he fo li o w i ng
defin iti on s ap p l y
3.1 bar ie s op
devic to impe de a v eh icl e trave l l in g be yon d t he
pl atform area oft he wh ee l ramp
3.2 base plane
plane wh ich includ es t he p ints ofco tact betwee n
t he base oft he wh e el ramp a nd t he surface u po
w h ich it r est s (se figu re i)
3.3 base width
minimum width m easured a cros t he base ofa wh e el
ram p (se figu re 2)
3.4 longitudinal mo ement
mo ve ment oft he ramp o t he su p rtin surîace,
forwar d s or r ea rwa rd s, as a v eh icl e is driven o or
o ff
3.5 o e al diamete oftyr
d iam eter ofa n i n fl ate d tyre at t he o term ost surfa ce
oft he trea d
3.6 o e tra el
actio ofa v eh icl e trave l l in g of the pl atform se tio
ofa wh e el ramp i n a d irectio past t he ba rrier st op
3.7 plan ar a of the base
a r ea oft he ba se pla ne e n cl osed b y the p ints of
co ta ct betwe n t he wh ee l ramp and t he sur fa ce o
w h ich it rest s (se figu re 2 )
3.8 plan ar a of the incl ne se tion
area o ta ined b proje ctin g the perim et er oft he
i n cl in e se t io ve rtical l y d ownward s o to t he ba se
plane (a rea A i n figu re 2 )
3.9 proje ted plan ar a o fthe platorm se tion
area o ta ined by proje ctin g t he per im eter ofthe
pl atform se tio vertical l y d ownwa rd s o to t he base
pl an e (ar ea B in figu re 2)
3.10 ramp height
ma imum d ista nc betwee n t he pl atform se tio a nd
t he ba se pla ne (se figu re 1)
3.1 rated capacity
( Saf Workin Lo d (SWL)
ca pa cit y ra ted b y t he m anufacturer as the maxim u m
m ass t hat ma be saf l y su p rted by a sin gl e wh e el
ramp
3.12 rol -of
actio ofa v eh icl e de sc n din g fro m a wh e el ramp
such tha t its tyre tra vels do w n the in cl in e oft he
ra m p
3.13 vehicle
passen er ca r or l i g ht v an ofcl as ificatio M1 or N1
(se a nnex A)
3.14 whe l ramp
devic con sistin g ofan in cl in e se tio and a pl atform
se tio o to wh ich a v eh icl e is driven for the
p rpose ofm a intena nc or displ ay (se figu re 3)
4 Design
4.1 Minimum rated capacity
The minimum ra ted ca acity ofa sin gl e whe l ramp
sha ll be 10 0 0 kg
4.2 Angle ofincl ne se tion
The ma imum a g l e bet we n t he in cl in e se tio a nd
t he base pla ne shall be 2 5"
4.3 Stabi ity
4.3.1 The base width di v i de d b the r am p h e igh t
shall n ot b e les tha n 1.2
4.3.2 The proje ted pl an a reas oft he pl atform
se tio a nd t he in cl in e se tio sha li b th l ie en tire l y
with in the pla n ar ea ofthe base
4.4 Plat orm dimensions
4.4.1 The pl atform se tio shall have a minimum
width of2 0 0 mm a nd a minimum l e n gth of3 00 mm
When t est ed i n a ccord a nc w i th a nnex B, t he t est
ve h icl e sha ll n t ro llo ff the ramp
4.6 Ove tra el
The wh e el ra m p sha ll be fitt ed with a devic t hat
prevents ov ertra el wh en t ested i n a ccord a nc with
annex B
4.5 Rol -of
Trang 6BS AU 224b :1997
4.7 Longitu inal mo ement
When t est ed i n a ccor d anc w i th a nnex C, it sha ll be
p s ible for t he t est ve h icl e to be drive n or rever sed
o to t he r am ps withou t either ramp movin m or e
tha n 50 mm Si mi larly , neit her ramp shall mo v e m ore
tha 50 mm wh e n the v eh icl e d esc nd s
4.8 Finish
Su rfac s shall n t h ve an y haza rd ous proje tio s
Al sha rp ed ges sha ll be remov ed by rou n din g,
b e ve ll i ng , or b ot her m ea ns ofde bu rrin g to prevent
injur y to t he o er at or, or damage to v eh icl e tyr es
4 9 Str ngth
4.9.1 Str ngth ofthe ramp inclne se t on
When tested i n accord anc w i th annex D, t he whe l
ramp sha ll be ca pable ofwith stan din g a load
of1.5 tim es the man u factu rer’s ra ted capa city
witho t sh owin g a y sig ofbrea kin or fra ct urin
The ma imum defl e cti on ofa yp r t oft he in cl in e
se tio sha ll n t exc ed 2 % ofits origin al h eigh t
4 9 2 Str ngth ofthe ramp platf rm
When tested i n accord anc with annex E , t he wh e el
ramp sha ll be capa ble ofwith stan din g a load of
dou bl e the man u factu rer’s ra ted ca acity witho t
sh owin g an y si g n ofbreakin g or fr acturin The
ma imum defl e ctio ofan y p r t oft he ra m p
pl atform sha ll n t exc ed 5 % ofit s origin al h eigh t
5 Marking
E ach wh ee l ramp shall be leg ibly a nd perm a nently
mar ked with t he fo ll o w i ng in formation :
a) t he n u mbe r oft his British Sta nd a rd , i
BS A U 2 4 : 19’ ;
b) a man u factu rer’s mark as a m ea ns ofi denti fy i ng
t he m a nufa ct urer , im por ter or su pl er oft he
ramp;
c) t he r ated capacity oft he ramp, st at ed as ‘SWL’
in kg;
d) t he lar gest and sm a llest o eral l d ia m eter oftyre
for w hi c h t he ra m p is suita ble;
When tested in accord anc with annex F, a
markin gs sha ll remain l eg i b l e It ems c) a nd d) shal l
be cl earl y vi si bl e at t he p int ofsa le
A warn in g n tic sha ll b e a tta ched to ea ch wh ee l
ramp givin at lea st he fo ll o w i ng warn in gs
a) Us e o nl y a sin gl e pa ir ofwh e el r am ps at t he
front or rea r Do n t us e t wo ram ps o o e sid e of
the vehi c l e.’
b) ‘Use o a hard l ev el surfa ce, e.g co crete.’
c) ‘Securel y ch ck whe ls remain in g o t he
gr ou d , a nd a pl y t he h an dbrake.’
d) ‘E x ercise car e wh en u sin g with a tra iler or a
t hr ee whee l ed ve h icl e.’
The n tic sha ll also give instructio s to co er sa fe
use oft he ra m ps u d er the co d itio s in wh ich they
ar e l i e l y to be empl oye d, i n pa rticula r the fo l l o w i ng
sha ll be det a iled
-
ho w to set t he ra m ps ou t;
- ho w todrive o to them ;
-how to d esc nd saf l y
Warni ng s shall be g iven re gardi n g ha za rd s to peo le
i n t he immediate a rea An spe ial provisio s or
proc d ures to minimize the risk ofi nju ry or dama e
sha ll be cl earl y spe cifie d
The m a teria ls ofthe n tic shall be wate rpro fand
the mi ni mum ty esiz for th e bo dy oft he t ext sha ll
h av e a height of2 mm
Marking BS A U 2 4 o or in rela tio to a prod uct r epr ese t s a ma nufa ct urer’s d ecla ra t io ofco form it y, i.e a claim b or o b haif
oft he ma nufa cturer th t th prod uct meet s th r eq uirem ents ofth sta nd a rd Th a ccura cy oft he cla im is t herefor e solely t he
c l ma nt ’ resp nsibi t y Such a d ecla ra t io is n t o b co fused with th i rd party certifica tio ofco form it y, which ma als o b
d esira ble
2
O BSI 19 9 7
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Ba se pla ne -I
Figur 1 Height ofa typical vehicle ramp
P roje ct e d pi an ar ea
of th b s
Figur 2 Base width o fa typical vehicle ramp
rB arier stop
Figur 3 Typical vehicle ramp
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Clas ificat ion ofvehicles a cc r ding to the
EU
Categ ry De initio
M
M1
Motor v ehi c l es with a le ast fou r w heel s
u se d for the c ari ag e ofp as eng ers
Vehicles u sed for the cari ag e of
pas s engem an d c ompris ing n mo re thn
ei g ht se ts in a di ti o n to the driver’s
se&
Motor vehic les with at l east fo u r w heel s
us ed fo r the ca nia ge ofgo ods
Vehicles us ed fo r the c ari ag e ofg o o ds
and h vin a ma jmum mass no t
ex c e edi ng 3.5 to nnes
N
N1
N OT E Th se d efinitio s ofv hicle ca t eg ry are als o used, with
v e ry slght ed it oria l d iferences, b th U E co om ic Comm is io
for E ur op (E EY ee a
Annex B (normat ive)
Rol -of and overt ravel tes t
B.l Principle
A sp e c i fi e d forc is ap p l i ed horizontaly to a vehic le
whic h is sec u rel y mo u nted o n a pair ofwhe l ramp s to
determi ne w hether the vehic le robof the ramps
B 2 Ap aratus
B.2.1 Te st wehi.de, a s ad r two- whe l- drive, fo u r
w he led p ro du c ti o n p as eng er c ar, w i th a nomin l
road w he l rmdi ameter ofa le ast 3 0 mm
(1 i nc hes) The vehic le mas
sh i
be known to
within 50 kg
B.2.2 Me u m o ap lying the ho izontal f r ce,as
spe cifie d
B.2.3 M eu m of measurin the ap li ed f r e, to within
f2%%
B.2.4 Me u m of c ntr i i i ng m a smo ement of the
veicle, ifrol-of oc u rs, w i tho u t afec ting t he test
p ro cess
B 3 Proc d re
B.3.1 Mo ntth e fro nt ofthe test vehic le o a pair of
the ramp s u n de r ts o a hard, level su rfac e E n su re
t ha n ir\iwy c noc u r ifthe vehic le does co me of
the ramp s
B.3.2 Take the test vehic le o t ofg ear (or ou t of
‘Pak’and rel ease th e h ndb rake.Dono t c ho ck the
whe ls
B.3.3 Ap ly a re arw ard ho ri z o ntal for ce,f, to the
vehic le a a c o nv eni e nt p o i nt an d n ote wh e th e r rol-of
oc u rs, us in the formula:
f= 0.5~
w here:
f
v
is the forc i n new to ns;
is the mas ofthe t est vehic le in kio rams
B.3.4 Remo unting the vehic le ifnee-, ap p l y the
same forc in a forwards di rec ti o n t esta li sh wh e th e r
o v ertrav el OCCUIS
B.3.6 Rep eat t he test proc du re B.3.2 to B.3.4 with
the rea r ofthe v ehi cle re ve rsed o n the ramp s Note
w hether rol-of or o v ertrav el oc u rs
B.3.6 The ramp has passe d the test ifther e is n
o v ertrav el
Annex C (normat ive)
Te st fo r longitudinal movement
C.1Principle
Toesta li sh t hat it is p o ssi b l e to asce n d an d desc e nd
the ramps w i tho ut th e ir mo in ex c essi v el x u n der
no rmal co ndi ti o ns
C.2 Ap aratus
C 2 1 A test ve hicle , as desc ri bed in B.2.1
C.2.2 Anar a o fi mdr c nc ete,fa an d level ,
with a smo o th su rface free from ri dg es that ar e vis ible
to the n ke d eye a nd w i th a c o e ffi c i ent offri cti o n
of0.6 * 0.1 when measure d w i th a fri c ti o n tester
manu fac ture d in ac ordan ce w i th the des ign
re c o mmende d by the ?i.ansp rt
Rese arc h
La oratory
(se e BS 812 : Pas 1 4 : 19 9 for a desc ri p ti o n ofths
des ign oftester)
C.2 3 Mea s of mar k ing the ra m ps’ p sition on the
J or a d measurin a 9 mo ement to within 2 mm
C 3 Proc d re
C 3 1 Se t o t the ramp s as re qu i re d in t he
manufactu rer’s in stru ction s, a nd mark th e ir p o si ti o n o n
the flo r
C.3.2 Drive t he vehic le forwards u the ramp s, to sto
o n t he platîorm se ction s
C 3 3 Meas ure a y movement ofeith e r or b th ofthe
ramps to within 2 mm Remark the fl o o r p o si ti o n if
ne-
C.3.4 Revers e the vehic le dow n the ramp s an d
measu re a y fu rth e r movement
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AnnexD
BS AU 224b:19 7
C 3 6 Repeat the test proc du re C 3 1 to C 3 4,
re ve rsi ng u the ramp s, then drivin do w n them
C.3.6 Fo r the r mps to pa ss the tes, nei ther ramp
shal mo e mo re th an 50 mm when the vehic le is
driven o n n or when it is driven of
'Ièst oframp inc ine section strength
D.l Principle
A loadin devic e whic h si mul ates a p as eng e r ca r
whe l an d tyre is use d to apply a verti c al
tes
lo ad to
t he i nc l i ne se tio oft he ramp The lo ad is i n cre ased
to 1.5 ti mes the rate d c ap ac i ty ofthe ramp The ramp is
th en ex ami ned fo r b re akag e or excessi v e deormation
D 2 Apparatus
D.2 1 Hydmul c test rig, or oth er su i ta l e devic e
cap able ofa plyin the requi red forc an d h vin a
me ans ofi ndi cati ng the forc ap p li ed to within 2 %
D.2 2 Lar eJ t plate, c ap able ofsu p p o rti ng th e b se
ofthe ramp d rin the tes
D.2.3 Meam ofmasuring the height of the mmp
icln se tion,atse l ected p in ts, to within 1 mm
d ring the tst
D.2 4 Th loa i ng W e ,as sho w n in figure D.1 The
sem icircula r ste e l former, 2 0 5 m m o u tsi de ra ius
an d 10 5 mm wide, is c o v ered with a so l i d strip of
ru bbe r 4 5m in thickn e ss, sh re hardn e ss 4 to 50
D 3 Proc d r
D.3.1 Se le c t the p o i nt
o
the i nc l i ne se tio mo st
lkely to suffer ma imum de fo rmati o n an d measure its
height ab o ve the b ase
N T This is n ormal l y th e p int fur t hest from a y su p rt s Th
test ma hav to b rep a t ed o n w sa mples e ch time, if it is
u clea r
D.3.2 Mo nt th e ramp o n the p l ate w ith the sel e cte d
p o i nt vertic aìy u n der t he c ntre ofthe lo ading dev i c e,
with the u p p er fac ofthe lo ading devic e ho ri z o ntal
an d the ai ofth e c u rved se c ti o n acros th e ramp
D.3.3 E n su re that th e lo ading devic e, the ramp and
the piate a re securel y l ocate d s o t ha ther e is n
d ng er ofth eir s lip ping o r b ein e xp el l ed u n de r t he
lo ad
D.3.4 Ap ly a Vertical forc to th e i nc l i ne se tio
eq ivalent to 1.5 t me the ma u fac tu rer's rated
c ap ac i ty fo r the ramp , at a rate no t
e xc e edi ng 10 kN/min an d hold it for 6 s
D 3 6 Meas ure the ma imum defl ec ti o n oft he i nc l i ne
sec ti o n
D.3.6 Remo e the l o ad an d ex mine for breaks or
fractu re Meas ure the heig ht ofthe initial se l ected
p o i nt a o v e the base, an d cal c u late the pe rc n tage
re du c ti o n in hei g ht, if an
D.3.7 The ramp shalbe de emed t h v e passed t he
test ifth ere ar e n breaks or fractu res an d ifthe
ma imum defl ec ti o n is l es th an
2 o
F orc e Ste l plate, 8 m m
/
I
R ub b e r s trip
40 mm f 5 mrn th i ck
R = 2 0 rnrn k 5 m m
'Ste l pla te , 8 rnm
mi n i mum thickn ss
Figur D.l Ramp lo ding devic
O B S I 19 7
5
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An ex E
%t oframp platform s ectio n strength
E.l Principle
The lo ading devic e (figure D.1) is use d t o app ly a
verti c al test load to the p latform se ctio oft he ramp ,
eq ivalent to do ubl e the rate d c ap ac i ty ofth e ramp
E.2 Ap arat us
The same ap aratus as sp clf d in D.2
E.3 Proc dur
E.3.1 Se le c t the p o i nt o n the p latfo rm se tio lkely to
suffer ma imum defo rmati o n an d measure i s height
a o v e the b as e
NO TE T h is is n ormal l y th p int fur thest fr om a ny sup ort s The
test ma y ha ve t b rep a t ed o n w sa m ples ea ch time, if i t is
u n cl e ar
E.3.2 Mo nt the ramp o n the pl ate w i th the sel e cte d
p o i nt vertic aly u nder the ce n tre ofthe loadin de vi c e ,
w i th th e u ppe r fac e ofthe loadin dev i ce ho ri z o ntal
an d t he ax is ofthe c urv ed se tio acros the ramp
E.3.3 E n su re tha t t he lo ading devic e, the ramp a nd
t he p& a re sec u rel y lo c ate d so that th ere is n
d ng er ofth eir s lip ping or b ein exp el l ed u n der l o ad
E.3.4 Ap ly a verti c al forc to the p latfo rm se tio
eq ivaient t o tw i ce the manu fac turer's rate d c apac ity
for t he ramp , at a rate n ot ex c ee di ng 10 kN/min an d
ho ld it for 60 s
E 3 6 Meas ure t he ma imum defl ecti o n ofthe
platform secti o n
E.3.6 Remo e t he lo ad an d e xami ne fo r bre aks o r
fatue Meas ure th e height ofthe iiil se l ected
p o i nt ab o v e the base , an d cal c u late a y p erc entag e
redu c ti o n in height
E.3.7 The ramp shal l be dee me d to h v e p as e d the
test ifther e ar e n breaks or fra tures an d ifth e
p erc e ntag e ma imum defl ec ti o n is l es thn5 %
Wst for permanence ofma rk i n g
F.l Principle
The ramp markin is lg tly ru bbed w i th b th pe trol
an d wate r to c onfirm p erma e nce
F.2 Ap arat us
F.2.1 S uitabl e b ths,to hold the samp l e in the
so lv ents, w i th adeq u ate ume exbrac tio n an d
a pro ri ate safety pre au tion s for t he h n ling oft he
fuel
F 2.2 S up l y of commecial u leaded p tr l
c onformin to BS E N 2 8
F.2.3 S p ly of cl ea c ton ra
F 2.4 S p ly of c0mmecia.ìl iq id deterge t
F 3 Proc d r
F.3.1 Immers e the marked ar ea oft he te s t samp l e in
the pe trol for io min at 2 0
'
2 "C
F 3 2 Remo e from the pe trol an d ru b the markings
o ver a are ap p ro x i matel y 10 mm x 50 mm w i th firm
han d pres u re for 30 s, usin coto rag d mped in
p etro l
F 3 3 Dry the samp le tho roug hly in a cu rre n t ofd y
air, th en i mme rse in c l ean wate r in w hi ch 0.5 % b
v lume ofdeterg ent has b ee n dis s olved Lea e for 2 h
F 3 4 Remo e from the water an d ru b the marking s
over an ar ea ofap p ro x i matel y 10 mm X 50 mm with
firm h n pres ure for 3 s,us in coto rag d mp ed in
the water
E3.6 Ex mine the tes area for legibi ty and
p e rma e nc e ofthe markmg
NO TE F or e se of ha nd lin , t he m a rked are may b cut from th
ra mp wh n prepa rin th e test sa mple
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