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7/26/2019 Tnh cc vng vy vn thp.xls
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MC
lc
MC
lc
M U
cc v cc v chi chi
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7/26/2019 Tnh cc vng vy vn thp.xls
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n
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7/26/2019 Tnh cc vng vy vn thp.xls
3/18
Ni dung tnh ton:
MNTC
ng k s liu:cc p lc tc dng gm
Chiu cao mt !t "n t#m $u
'o !t ch( ng: n)n*
Chiu cao t+ t#m $ua% "n %.-c ni ma /t
'o !t 01 ng: &2 /, iu 3i2n l4m 5i2c m
T6ong - : /#u -ng c7c h8
'o n9c: Chi u cao mc n9c n t#m $ua
&2 /, 5;t tng 01t
?T67ng l;ng 6i=ng c(a l9p @T 01t %A
Bhng t6Dnh En 1nh lFt
P1=0 .5Hn
2
P2=H
nh '
P3=0 .5 ' H2 a n1
P4=(d+0 .5 )(h 'd )b
'a
P5=0 .5 (h 'd2 ) ' a n1
P6=Hh ' '
pn22
P7=0 . 5h2 ' p nalignl
b'=bw
P1
Hn
3+P
3
H
3+P
4
(h '+d )2
+P5
(2h'+d )3
=(P2
h'
2+P
6
h '
2+P
7
2h '
3)m
P1
P2
P3
P4 P
5
P6
P7
b'= bw
a
p
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7/26/2019 Tnh cc vng vy vn thp.xls
4/18
T+ phng t6Dnh n4% ta Gc 1nh ;c h8? /#u -ng c7c d9i l9p 0=t>ng 01t %AT+ phng t6Dnh t6=n /au 3hi 6Ht g7n c- dIng:
P1
Hn
3+P
3
H
3+P
4
(h '+d )2
+P5
(2h'+d )3
=(P2
h'
2+P
6
h '
2+P
7
2h '
3)m
ah'
3+bh'
2+ch'
+d=0
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7/26/2019 Tnh cc vng vy vn thp.xls
5/18
t :
JKL ?mAa% & *KL ?mA hi -:
)K)LK
h, m-ng )KL ?mAOLKLLKP Tnh 1nh thc:QJKR)LK)L
N"u)KP
)KS ?mA p LKO$ QJKSS
'lta ))KPL
Bhng t6Dnh c- dIng
')m
Hn
x=y b
3a
p=c
a1
3(
b
a)3
q= 2
27(
b
a)3
1
3(
b
a)
y3+py+q=0
= p3
27+ q
2
4
= p3
27+ q
2
40
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7/26/2019 Tnh cc vng vy vn thp.xls
6/18
u *K*J5 LKLLV *K*JW )KSO
')m
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7/26/2019 Tnh cc vng vy vn thp.xls
7/18
C-) nghi2m %uX5
&2 /, h4m 0Fc O
1
3(
b
a)3
b
a)3
1
3(
b
a)(
c
a)+
d
a
q=0
= p3
27+ q
2
4
u=3
q
2
v=3
q
2
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7/26/2019 Tnh cc vng vy vn thp.xls
8/18
a QOKPS0 QPKJ)c QSKOd *)KLO
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7/26/2019 Tnh cc vng vy vn thp.xls
9/18
Ni dung tnh ton:ng k s liu:Yc ch1u tnh ton c(a c7c tho nn !t Bo RRR ?3NAh< nZng ch1u lc gi9i hIn c(a c7c B PJ)S ?3NA&2 /, ng ch!t c(a !t 3 )&2 /, iu 3i2n l4m 5i2c m )
)RL?3NmAL ?3NASR ?3NA
/ u ng K&2 /, hi2u dng maG *KPLC>ng thc tnh /c ch1u tnh ton c(a c7c tho nn !t
h< nZng ch1u lc gi9i hIn c(a c7c
C>ng thc 3i[m t6a h2 /, hi2u dng c(a 0Ha
T=n 0Ha: YN. CSR\ L ?3NA$ PL ?3NA
cao 6i: & OKLL ?mA
] )OPKL ?3NmAY, nht^phHt PP ?nhat^phutA
NZng l;ng ]T67ng lng to4n 0 0Ha \?/au 3hi ch7nAT67ng lng c7c 54 2m c7c $
NZng l;ng ] tnh tho c>ng thc 3inh nghi2m
T67ng l;ng to4n 0:T67ng l;ng phn ng:
NZng l;ng:
Danh sch b
=km2 (U1
n
i f itc li+FR
tc)
25P
P0
!=9.81"+q
!
max
P=P
0
km
Bua trong luc THEP
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7/26/2019 Tnh cc vng vy vn thp.xls
10/18
OKLL)KLL
K
_ hi2u T61 /,)LKLL ?mA)PKLL ?mA*LKLL ?mA
RSKP ?T^m*AS*KLL ?T^m*ASKLL ?T^m*A
)KLL` LKL ?m*A
SPLL ?T^m*A
3 LKL)KLL
U )KJL ?mA
)OPKLLPKLLLKLL
)OPKLL
m2
1=
2=
3
l2
l1
l3
f1
tc
f3
tcf2
tc
Rtc
1=
2=
3
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7/26/2019 Tnh cc vng vy vn thp.xls
11/18
Ni dung tnh ton:ng k s liu:
L ?3NA SR ?3NA
&2 /, an to4n m LKPL&2 /, 3h>i phc 3 LK*L&2 /, ph thuc n )J*KLL cao 0Ha 6i & OKL ?mA'i2n tch ti"t di2n c7c ` LKLTng thc tnh ch,i tho phng php ng lc h7c
#=9.81mnF"H
P(P
m+nF)
"+kq"+q
VINHCUU
Thep(co coc dem go)
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7/26/2019 Tnh cc vng vy vn thp.xls
12/18
RKLL
.o?co coc
.o?3hong@TCT?co co
)J* Thp?co coThp?co coThp?3hon
)KLL N&CUULKSL TeMT&f
menu
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7/26/2019 Tnh cc vng vy vn thp.xls
13/18
mA oc dmA
c dmA c dm goA c dmA
coc dmA
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7/26/2019 Tnh cc vng vy vn thp.xls
14/18
mt /, loIi 0Ha =n
nhn 0Ha cao 6To4n 0 Bhn ng ?mA
in3 @lt P*L PJKL **KJ )KPulcan RN)LL PJK *OKP *KR@6mingham6 SOKR OLKS OKJJoh6ing jRR PKJ ROK* *KRYN. CSR LKL PLKL OKLL'lmag 'PP ))JK P*KMit/u0i/i M@SL *LRKJ SLKP *KP
o0 )PL OPKL )RSK* *KPoh6ing @MkY S*)KLL O)KRL )K*PCCCMJL JKPL JLKLL )KOSMit/u0i/i M&** RLKL *)OKL *KP
t67ng l;ng
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7/26/2019 Tnh cc vng vy vn thp.xls
15/18
Y, nht^phHt Chiu cao?3NmA ?mAOJKS *KLPK PPKL
)L)KS RPKL)LSKJ JLKL)OPKL PLKL PKPL)PK RLKL PKP)PKS P*KL JK)L
O)KO PLKL KPLRKJL RLKLL KPL*KLL OLKLL RKPPO*KP PPKL
NZng l;ng
ch7n 0Ha
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7/26/2019 Tnh cc vng vy vn thp.xls
16/18
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7/26/2019 Tnh cc vng vy vn thp.xls
17/18
bng h s hiu dng ln nht c
.@ua 3pb0ua din loai ong PKLL@ua donb0ua loai * dua OKPL@ua t6ong luc *KLL
T&]B@TCT
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7/26/2019 Tnh cc vng vy vn thp.xls
18/18
ba
Thp @=t>ngCTPKPL JKLLRKLL PKLL*KPL OKLL
