Two Peg Test
Click here to load reader
-
Upload
faeez-zain -
Category
Documents
-
view
212 -
download
0
Transcript of Two Peg Test
![Page 1: Two Peg Test](https://reader038.fdocuments.in/reader038/viewer/2022100802/577ccf281a28ab9e788f072b/html5/thumbnails/1.jpg)
TWO PEG TEST
![Page 2: Two Peg Test](https://reader038.fdocuments.in/reader038/viewer/2022100802/577ccf281a28ab9e788f072b/html5/thumbnails/2.jpg)
LOCATION• At the parking lot
behind the cabin area.ObjectivesTo determine wheather the levelling bubble and telescope line of sight are parallel.
![Page 3: Two Peg Test](https://reader038.fdocuments.in/reader038/viewer/2022100802/577ccf281a28ab9e788f072b/html5/thumbnails/3.jpg)
PROCEDURES
1. Indentified a location to stand up a level.
2. Marked this level as point C.
3. Measured 30m at both side of the level to stand up staf.
4. After hat, mark the staf as point A and point B.
![Page 4: Two Peg Test](https://reader038.fdocuments.in/reader038/viewer/2022100802/577ccf281a28ab9e788f072b/html5/thumbnails/4.jpg)
![Page 5: Two Peg Test](https://reader038.fdocuments.in/reader038/viewer/2022100802/577ccf281a28ab9e788f072b/html5/thumbnails/5.jpg)
5. Take data at point A and point B.
6. Measured 10m straight line from point A as point D.
7. Moved the level to point D.
8.Then, point A and point B automatically becoming point A’ and point B’.
![Page 6: Two Peg Test](https://reader038.fdocuments.in/reader038/viewer/2022100802/577ccf281a28ab9e788f072b/html5/thumbnails/6.jpg)
![Page 7: Two Peg Test](https://reader038.fdocuments.in/reader038/viewer/2022100802/577ccf281a28ab9e788f072b/html5/thumbnails/7.jpg)
OBSERVATION DATA30 m
Reading staff B Reading staff A Height difference = m
First set up 1.370 1.288 0.082
Reading staff B Reading staff A Height difference = m’
Second set up 1.255 1.116 0.057
![Page 8: Two Peg Test](https://reader038.fdocuments.in/reader038/viewer/2022100802/577ccf281a28ab9e788f072b/html5/thumbnails/8.jpg)
OBSERVATION DATA60 m
Reading staff B Reading staff A Height difference = m
First set up 1.430 1.260 0.170
Reading staff B Reading staff A Height difference = m’
Second set up 1.542 1.395 0.147
Difference (m-m’) 30 m 60 m
0.025 0.023
![Page 9: Two Peg Test](https://reader038.fdocuments.in/reader038/viewer/2022100802/577ccf281a28ab9e788f072b/html5/thumbnails/9.jpg)
![Page 10: Two Peg Test](https://reader038.fdocuments.in/reader038/viewer/2022100802/577ccf281a28ab9e788f072b/html5/thumbnails/10.jpg)