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səhifə | 12/12 | tarix | 07.01.2024 | ölçüsü | 379,52 Kb. | | #206002 |
| Abdullayev Rasulbekning geodeziya fanidan kurs loyihasi
H1 =
Aniqlanayotganhammatugunnuqtalaruchunnavbatdagiikkitayaqinlashishlardavaznlio‘rtabalandliklarbirxilchiqsahisoblashlarto‘xtatiladi.Oxirgiyaqinlashishdagivaznlio‘rtabalandlikyakuniynatijabo‘ladi (1- jadvalda 1- tugunnuqtauchun IV yaqinlashishdagibalandlik409,577 myakuniybo‘ladi). Navbatdahisoblashlarnazorativao‘lchashlaraniqliginibaholashbajariladi. Buninguchuntuzatmalar yakuniy balandlikdan har bir qatorda topilgan tugun nuqta balandligini ayirib topiladi. Masalan, yanao‘sha1- jadvaldan 1- tugunnuqtauchuntopamiz.
=409,577 - 409,575 = +2mm;
=409,577 - 409,592 = -15mm;
= 409,577 - 409,558 = +19mm.
Natijalarjadvalningtegishligrafasidayoziladi. Quyidagiko‘paytmalarPi• ivaularyig‘indisi[Pi i ]topiladi.
Nazariyjihatdanbuyig‘indinolgateng[Pi i ]=0bo‘lishikerak, lekinhisoblashdagiyaxlitlashlarta’sirida u noldanbirmunchafarqqilishimumkin, ya’niquyidagishartbajarilsayetarli[Pi i ]< [P].
Nivelirlashnatijalarianiqliginibaholashquyidagiformulalarorqalibajariladi;
mkm=
buyerda: N —tarmoqdagiyo‘llarsoni;
Tugunnuqtalarningbalandliklariharbirboshlang’ichpunktbalandligivayo’lbo’yichahisoblangannisbiybalandliklarbo’yichahisoblashjadvali
№
Tugunnuqtaraqami
|
bosh tugunraqami
|
Balandlik
Rp
|
Nisbiybalandliklar
|
Stansiyasoni
|
P=k/n
K=100
|
P'=p/[p]
|
Yaqinlashtirishlar
|
Tuzatmalar
(mm)
|
Pv
|
Pv2
|
l
|
II
|
III
|
IV
|
V
|
1
|
A
|
270.111
|
-6.911
|
104
|
0.96
|
0.34
|
263.200
|
263.200
|
263.200
|
263.200
|
263.200
|
+2
|
+1.9
|
4
|
2
|
|
-21.844
|
91
|
1.10
|
0.39
|
263.222
|
263.217
|
263.220
|
263.219
|
263.219
|
-17
|
-18.7
|
318
|
4
|
|
+8.582
|
135
|
0.74
|
0.27
|
263.187
|
263.189
|
263.189
|
263.188
|
263.188
|
+14
|
+10.4
|
145
|
Vaznlaro’rtaqiymati
|
2.80
|
1.00
|
263.205
|
263.202
|
263.203
|
263.202
|
263.202
|
|
-6.4
|
|
2
|
B
|
276.340
|
+8.726
|
87
|
1.15
|
0.37
|
285.066
|
285.066
|
285.066
|
285.066
|
285.066
|
-3
|
-3.5
|
10
|
1
|
|
+21.844
|
91
|
1.10
|
0.36
|
285.044
|
285.049
|
285.046
|
285.047
|
285.046
|
+17
|
+18.7
|
318
|
3
|
|
+10.656
|
121
|
0.83
|
0.27
|
285.077
|
285.076
|
285.076
|
285.076
|
285.076
|
-13
|
-10.8
|
140
|
Vaznlaro’rtaqiymati
|
3.08
|
1.00
|
285.061
|
285.064
|
285.063
|
285.063
|
285.063
|
|
+4.4
|
|
3
|
C
|
290.771
|
-16.350
|
79
|
1.27
|
0.47
|
274.421
|
274.421
|
274.421
|
274.421
|
274.421
|
-1
|
-1.3
|
1
|
2
|
|
-10.656
|
121
|
0.83
|
0.31
|
274.410
|
274.405
|
274.407
|
274.407
|
274.407
|
+13
|
+10.8
|
140
|
4
|
|
+19.826
|
165
|
0.61
|
0.22
|
274.431
|
274.433
|
274.433
|
274.432
|
274.432
|
-12
|
-7.3
|
88
|
Vaznlaro’rtaqiymati
|
2.71
|
1.00
|
274.420
|
274.420
|
274.420
|
274.420
|
274.420
|
|
+2.2
|
|
4
|
D
|
262.353
|
-7.748
|
74
|
1.35
|
0.50
|
254.605
|
254.605
|
254.605
|
254.605
|
254.605
|
+1
|
+1.4
|
1
|
1
|
|
-8.582
|
135
|
0.74
|
0.27
|
254.618
|
254.623
|
254.620
|
254.621
|
254.620
|
-14
|
-10.4
|
145
|
3
|
|
-19.826
|
165
|
0.61
|
0.23
|
254.595
|
254.594
|
254.594
|
254.594
|
254.594
|
+12
|
+7.3
|
88
|
Vaznlaro’rtaqiymati
|
2.70
|
1.00
|
254.607
|
254.607
|
254.606
|
254.606
|
254.606
|
|
-1.7
|
1398
|
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