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GEng 112

The document presents angle measurements from multiple stations (A, B, C, D) with their corresponding corrections and adjusted values, ensuring that the sum of angles equals 360 degrees. It includes detailed tables showing angle conditions, side conditions, and final values after adjustments. Additionally, it provides data from laboratory trials related to distance and stadia readings.

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jacob quizon
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52 views4 pages

GEng 112

The document presents angle measurements from multiple stations (A, B, C, D) with their corresponding corrections and adjusted values, ensuring that the sum of angles equals 360 degrees. It includes detailed tables showing angle conditions, side conditions, and final values after adjustments. Additionally, it provides data from laboratory trials related to distance and stadia readings.

Uploaded by

jacob quizon
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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STATION ANGLE MEASURED VALUE CORRECTION ADJUSTED

VALUE
A a 49˚56’15’’ +1.67’’ 49˚56’16.67’’
b 35˚58’00’’ +1.68’’ 35˚58’1.67’’
c 274˚8’40’’ +1.67’’ 274˚5’41.66’’
SUM 359˚59’55’’ +5’’ 360˚
B d 42˚10’00’’ -5’’ 42˚9’55’’
e 52˚3’00’’ -5’’ 52˚2’55’’
f 265˚45’15’’ -5’’ 265˚45’10’’
SUM 360˚00’15’’ -15’’ 360˚
C g 49˚53’00’’ -1.67’’ 49˚52’58.33’’
h 40˚40’30” -1.68’’ 40˚40’28.34”
i 269˚26’35” -1.67’’ 269˚26’18.33”
SUM 360˚00’05’’ -5’’ 360˚
D j 37˚24’30” -1.67’’ 37˚24’28.33”
k 51˚54’05” -1.68’’ 51˚54’3.34”
l 270˚46’30” -1.67’’ 270˚46’28.33”
SUM 360˚00’05” -5’’ 360˚

Sample Table 2: Angle Condition

Angle Value From Station 1st Condition 2nd Condition 3rd Condition
Adjustment
(sum = 360˚) (sum = 360˚) (sum = 360˚)

a 49˚56’16.67’’ 49˚56’23.34’’ 49˚56’42.51’’ 49˚57’46.68’’

b 35˚58’1.67’’ 35˚58’8.34’’ 35˚58’27.51’’ 35˚57’23.34’’

d 42˚9’55’’ 42˚10’1.66’’ 42˚10’20.82’’ 42˚9’16.65’’

e 52˚2’55’’ 52˚3’1.66’’ 52˚2’42.5’’ 52˚1’38.34’’

g 49˚52’58.33’’ 49˚53’5’’ 49˚52’45.84’’ 49˚51’41.67’’

h 40˚40’28.34” 40˚40’35” 40˚40’15.83’’ 40˚41’20’’

j 37˚24’28.33” 37˚24’35” 37˚24’15.83” 37˚25’20”

k 51˚54’3.34” 51˚54’10” 51˚54’29.16” 51˚55’33.32”


Sample Table 3: Side Condition

Angle Value From Station Log sin(Ø) Log sin(Ø+1) Difference


Adjustment

a 49˚57’46.68’’
0.11598173 0.115979961 0.000001769
b 35˚57’23.34’’ 0.231235678 0.231232775 0.0000029026

d 42˚9’16.65’’ 0.173190951 0.173188625 0.0000023257

e 52˚1’38.34’’ 0.103306165 0.103304522 0.0000016434

g 49˚51’41.67’’ 0.116628616 0.116626841 0.0000017754

h 40˚41’20’’ 0.185784798 0.185782349 0.0000024488

j 37˚25’20” 0.216322264 0.216319512 0.0000027516

k 51˚55’33.32” 0.103907133 0.103905483 0.0000016493

∑Log sin(Ø) Sum1


0.62212356 0.622114939
∑Log sin(Ø) 0.624233773 Sum2 0.624225129

DE 0.002110213 Correction
0.001693128

Correction = DE/ (Sum1+Sum2)

= 0.002110213/ (0.622114939 + 0.624225129)

= 0.001693128
Angle Final Value

a 49˚56’15.43’’

b 35˚55’52.09’’

d 42˚7’45.4’’

e 52˚0’7.08’’

g 49˚53’12.92’’

h 40˚42’51.25’’

j 37˚26’51.25”

k 51˚57’4.57”

Sum 360˚0’00’’
Data of Laboratory 2

Trial Distance Stadia Hair Readings Stadia Stadia INT


intercept Factor
Upper Lower

1 30.00 1.50 1.20 0.3 100%

2 45.00 1.50 1.045 0.455 98.9%

3 60.00 1.53 0.925 0.605 99.2%

4 75.00 1.59 0.845 0.745 100.67%

5 90.00 1.60 0.70 0.90 100%

Data Laboratory 3

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