how to find Distance by leveling machine, theodolite and tachometer.

  Рет қаралды 407,534

Suliman Khan Academy

Suliman Khan Academy

Күн бұрын

Пікірлер: 149
@zreykovd
@zreykovd 6 жыл бұрын
nice video... but understoon about 30% of what was said
@backwardsforwads
@backwardsforwads 4 жыл бұрын
Easy read the top and bottom of the stadia lines find the difference and multiply the result by 100,
@davidcivil1651
@davidcivil1651 Жыл бұрын
Same! Couldn't catch some words, e.g manual can be pound ....... and plugin and chuggin...????
@shlokshah5379
@shlokshah5379 Жыл бұрын
​@@davidcivil1651plug the numbers and get the answers. He could have worded it better
@kushalbaral01
@kushalbaral01 8 ай бұрын
(Top stadia line reading -bottom stadia line reading)×100
@ericwalton1492
@ericwalton1492 3 жыл бұрын
A TACHOMETER measures the speed of an engine, usually in RPM. A TACHEOMETER is a surveying instrument for the rapid measurement of distances.
@Sulimankhanacademy
@Sulimankhanacademy 3 жыл бұрын
Yes.
@محمدالعجيري-ر5م
@محمدالعجيري-ر5م 4 жыл бұрын
وعليكم السلام brother Thank you
@Sulimankhanacademy
@Sulimankhanacademy 4 жыл бұрын
w salam, thank you
@vishvajeetsapkal6664
@vishvajeetsapkal6664 6 жыл бұрын
good short and best
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
Thank you bro
@khanhnguyenphi6416
@khanhnguyenphi6416 4 жыл бұрын
I suggest you make some subs as your accent is a little bit difficult to listen to Good explamation anyway
@Sulimankhanacademy
@Sulimankhanacademy 4 жыл бұрын
I will do next time
@engineermoon
@engineermoon 7 жыл бұрын
v nice dear broo
@Sulimankhanacademy
@Sulimankhanacademy 7 жыл бұрын
Moon Ishaq yeah. Thank you. enjoy
@DineshKumarGeographer
@DineshKumarGeographer 2 жыл бұрын
Good & thnks
@Sulimankhanacademy
@Sulimankhanacademy 2 жыл бұрын
Thank you for watching
@bickysakha8813
@bickysakha8813 7 жыл бұрын
For this measurement the vertical angle should be compulsury in zero degree or in any degree it works?
@OSAS726
@OSAS726 7 ай бұрын
Why wouldn’t you just measure the angle of inclination and then use the tangent function for that particular angle, in order to find the horizontal distance? I’m having a hard time understanding where you get the constant 100? ???
@erdene-ochirmijid4040
@erdene-ochirmijid4040 2 жыл бұрын
In this example, is it correct to assume that the tangent angle is 0.06417 degrees?
@OSAS726
@OSAS726 7 ай бұрын
Actually, the arctangent input would be 0.1 and the output would be 0.572938697683486 degrees. This means that the angle of inclination is just a little more than a half a degree.
@hizbullahprince2126
@hizbullahprince2126 7 жыл бұрын
Good job
@Sulimankhanacademy
@Sulimankhanacademy 7 жыл бұрын
Hizbullah Prince thanks man
@tanisha644
@tanisha644 6 жыл бұрын
Suppose RL is 50 and BS reading on BM is 1.000 then HI is 51 and after take 3 reading of IS now is i want to take FS reading and BS Reading. So after taking Bs Reading our new HI is 52. Its all first day reading. On next day i want to check all reading. From our 1st HI to 2nd Hi. so how can i check it.
@ravikamboj007
@ravikamboj007 4 жыл бұрын
And what about additional constant ??? The one you shown is for anallectic lens only.
@Sulimankhanacademy
@Sulimankhanacademy 4 жыл бұрын
yes this method has limits. as we measure small distances by level machine, thats why we have ignored earth curvature etc
@ganeshlalkumhar483
@ganeshlalkumhar483 6 жыл бұрын
Can we find the horizontal and vertical distance by theodolite?
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
yes but not directly . we can find with help of maths... however now a day theodolites do have distance meter.
@In_Rem
@In_Rem 6 жыл бұрын
Can any body help me? Why can I measure the elevation at sea level and I can measure the elevation of the mountain top and every foot in between but I can not measure the 8" per mile squared according to the pythagorean theorum of geometry and spheres for earth to be a spinning ball with a circumference of 24,901 miles?
@hlalelemohale7296
@hlalelemohale7296 2 жыл бұрын
Thanks,short and precise!
@Sulimankhanacademy
@Sulimankhanacademy 2 жыл бұрын
Thank you for compliment
@tanisha644
@tanisha644 6 жыл бұрын
Why centering is imp. For auto level. And can we also measure the height of auto level by meausuring tape after set up instrument.
@CASH-TO-THE-MERE101
@CASH-TO-THE-MERE101 4 жыл бұрын
Wasim Ansari 👀
@Assam-bt1dl
@Assam-bt1dl 7 жыл бұрын
can anyone plz tell me, what does the upper reading and lower reading mean?
@Sulimankhanacademy
@Sulimankhanacademy 7 жыл бұрын
when you use leveling machine and make a sight on staff rod. you see three horizontal hair in that telescope the upper one is called upper hair and the lower one is lower hair also the middle one is called by sighting hair, now if you take reading on upper hair that reading is known by upper hair reading, same as when you take reading using lower hair the reading is called as lower hair reading . thanks for asking here
@tubedude54
@tubedude54 6 жыл бұрын
If you're doing differential leveling then you use the middle wire only. If you're doing precise 3 wire leveling then you use all 3 wires and what you try to do is make your foresight distances equal your backsight distance. By this I mean that you make the difference between the upper wire and lower wire for each shot equal within a predetermines tolerance for your level network. Ex... if your backsight wire difference was 3.05 and you wanted your shots within say 10% of each other then your foresight difference could be 2.75 - 3.35. The purpose of doing this is to eliminate errors because of earth CURVATURE! Sorry flat earthers... the earth IS a sphere!
@ibnadam9964
@ibnadam9964 6 жыл бұрын
Just tachometer.... Value of S,,,, D=KS+C
@saeedalishah6635
@saeedalishah6635 7 жыл бұрын
Informative
@klik8114
@klik8114 Жыл бұрын
Wa'alaikumussalam
@venkateshwarreddyeedula8874
@venkateshwarreddyeedula8874 6 жыл бұрын
What is the constant if I use Auto Level Instrument Thank you
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
for most auto levels this constant is 100. however you can find this constant in user manual
@venkateshwarreddyeedula8874
@venkateshwarreddyeedula8874 6 жыл бұрын
Thank you sir
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
welcome dear
@avinashvaidhay2273
@avinashvaidhay2273 7 жыл бұрын
very nice
@Sulimankhanacademy
@Sulimankhanacademy 7 жыл бұрын
thank you dear enjoy
@yadagirisampathirao2619
@yadagirisampathirao2619 7 жыл бұрын
Please tell me about the instrument error find out?
@richarddrum9970
@richarddrum9970 3 жыл бұрын
It’s not rocket science, it’s called stadia. Learned that first week of surveying class. Duh.
@jawadkhattak4237
@jawadkhattak4237 7 жыл бұрын
If I'm calculating distance in feet then what constant is to be multipled....
@IbrahimKhan-it7ym
@IbrahimKhan-it7ym 6 жыл бұрын
Do the same mathematics to measure the distance in meter as we have no staff at present to measure in feet and convert it into feet or whatever conversion. thanks
@santoshisubedi3263
@santoshisubedi3263 6 жыл бұрын
two pegs test practical vedio with clear information
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
i will try soon. thank you for joining me dear
@alikhamoshali665
@alikhamoshali665 3 жыл бұрын
Thanks so much sir
@Sulimankhanacademy
@Sulimankhanacademy 3 жыл бұрын
❤️🤲🏼
@aritv3260
@aritv3260 6 жыл бұрын
Hi bro how to measure depth of any place like top and bottom of any place
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
you will have to sight in level machine
@tanisha644
@tanisha644 6 жыл бұрын
Is Centering is important for auto level
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
In case of finding distance and angles. Yes its important
@tanisha644
@tanisha644 6 жыл бұрын
Why and what is its function
@tauseefahmad8499
@tauseefahmad8499 7 жыл бұрын
Ur video very good sir
@Sulimankhanacademy
@Sulimankhanacademy 7 жыл бұрын
thank you ..enjoy dear
@malikjani9181
@malikjani9181 6 жыл бұрын
good sir ggggggg
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
thank your dear... enjoy and welcome to sl khan youtube channel
@nurfatihahali3054
@nurfatihahali3054 6 жыл бұрын
what apps that u use to create the video?
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
only PowerPoint.......... thank you for joining me
@nurfatihahali3054
@nurfatihahali3054 6 жыл бұрын
woww, its great. thanks..
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
welcome dear... i am happy you support me......... thank you
@Esha369
@Esha369 7 жыл бұрын
Nice
@Sulimankhanacademy
@Sulimankhanacademy 7 жыл бұрын
thank you dear.
@charanreddy2736
@charanreddy2736 7 жыл бұрын
sir we want how to under stand steel structures in a drawing
@tanisha644
@tanisha644 6 жыл бұрын
Can u help me on road work surveying
@takiburrahmam3534
@takiburrahmam3534 5 ай бұрын
Thanks
@Sulimankhanacademy
@Sulimankhanacademy 5 ай бұрын
Welcome
@bickysakha8813
@bickysakha8813 7 жыл бұрын
Thank you very much
@Sulimankhanacademy
@Sulimankhanacademy 7 жыл бұрын
welcome dear... enjoy
@riyazshah4915
@riyazshah4915 7 жыл бұрын
thnx sir
@Sulimankhanacademy
@Sulimankhanacademy 7 жыл бұрын
RIYAZ SHAH most welcome dear.
@casandrarajnarain1314
@casandrarajnarain1314 4 жыл бұрын
Thanks
@Sulimankhanacademy
@Sulimankhanacademy 4 жыл бұрын
Most welcome dear. Enjoy ❤️
@umerbutt3065
@umerbutt3065 6 жыл бұрын
If the distance is in slope??
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
then formula will change
@juniorayissou5672
@juniorayissou5672 5 жыл бұрын
Nice but how to get that constant?
@PISQUEFrancis
@PISQUEFrancis 5 жыл бұрын
the constant is usually defaulted at 100. A reading of 0.00 feet(very bottom of the rod), with the lower "stadia"(lower wire) ... if the reading with the top "stadia", is 1.00 feet. Then the reading would indicate 100 feet, maybe even 100.0 feet(more precise reading) ... if bottom reads 2.34 and the top reads 4.56, then(4.56-2.34=222'), the distance id the difference 222'. The option "reading the wires", allows a person to read all three wires and through only slightly more complicated math, measure a little more precisely ... which is ALWAYS better, because it also ALWAYS gives a check ... three separate measurements that should all equal one another. ALSO important, since instruments sometimes go out of adjustment ... a reading of a pre-measured, known distance should be observed to ensure that the constant is 1:50, 1:100, or some slight variation of the instrument(the instruments out of adjustment). make a mark(an "X"), on level ground, then, on that level ground, measure a distance of 100.0, or 100.00' feet(yes, the measurements are different ... one is more precise, let's hope they're both pretty accurate too). setup the instrument as exactly as you can, over the "X", the more accurate the placement, the better ... a plumb-bob will improve the placement. have a second person hold the "face", of the "level rod", on the second mark(the face on the point ... with the back of the rod about and inch or 2 behind. The person with the rod should use a plumb-bob to ensure the rod is rather precisely straight up and down. Take your readings on ALL THREE WIRES and record(you should consider interpolating to 1/10 of the particular marking you're on ... even if you miss this a little, it will still give you more precise data) 3 precise readings, will give you 3 readings for computation precision and redundancy. L=low, C=center U=upper ... U-L= ??1, U-C=??2 and C-L=??3 ??1+??2+??3= total total divided by 2 equals an average, and we hope that average is very close to 1.00(or maybe 0.50 for some oddball instruments), ... it can be precise to a foot or better, or about an inch ... no better). whatever that number came to be(the average reading of 1.00' ... more or less) if that average reading is 1.00, your good to go(the constant is 100' per 1.00 feet road reading), if it's less than 1.00', your constant should actually a little higher, if the average reading is greater than 1.00, then your constant needs to be a little lower) divide the "measured distance",(for simplicity use 1.00 ... not 100'), by the average constant 1/0.99=1.0101 (a constant of 1:10101) ... 1/1.00=1.0000(a constant of 1:100.0000) .... 1/1.01=.0.9901(a constant of 1:0.9901) .... then round you result to 2 places for a 1' precision(normal) or round your result to 3 places for a 0.1' precision(requires interpolation 1/100' rod readings into another 1/10(1/1000) the readings can be surprisingly precise and accurate, as you choose, up to a couple hundred feet, or even a few hundred feet, before it becomes more difficult to see the markings clearly ... at which point the distance will quickly become unreliable. I'm 69, and have been surveying since 1974, but I hope I didn't make any mistakes here. I'll bet there's some here that can explain this better.
@abdurahmankhan7990
@abdurahmankhan7990 4 жыл бұрын
1.112-0.654×100=0.458 yas .reply oky
@tuliodosanjos260
@tuliodosanjos260 2 жыл бұрын
poaint A to poaint B
@nshimiyimanaemile830
@nshimiyimanaemile830 6 жыл бұрын
How can you calculate the constant .thanks
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
Simple bro. I can be found in manual of machines... however if you want to calculate it. Just make a measurement on level surface and read upper and lower hair then you using the same formula calculate the distance...i hope you are good in math...
@nshimiyimanaemile830
@nshimiyimanaemile830 6 жыл бұрын
@@Sulimankhanacademy thanks engeneer
@balajichermakani7009
@balajichermakani7009 7 жыл бұрын
what meaning upper reading , bottom reading . I can't understand
@strayblackcatsmeow
@strayblackcatsmeow 3 жыл бұрын
The transit must have a stadia glass with three horizontal measuring lines. The ones with just a crosshair won't work.
@UmarKhan-kd5hv
@UmarKhan-kd5hv 10 ай бұрын
❤❤
@Sulimankhanacademy
@Sulimankhanacademy 8 ай бұрын
thank you
@ZAHIDHUSSAIN-is5dr
@ZAHIDHUSSAIN-is5dr 6 жыл бұрын
bro ur english speaking way is asholic
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
yes. how can you help?
@BreaktheLoop_vthyourself
@BreaktheLoop_vthyourself 6 жыл бұрын
Sir what is constant.?
@aquavirgo4203
@aquavirgo4203 Жыл бұрын
gravity idot
@utvfactsknowledge9277
@utvfactsknowledge9277 6 жыл бұрын
Can I do layout of building by aoutolevel
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
yes but also No
@aatifawan781
@aatifawan781 6 жыл бұрын
what is 100 constant explain please.
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
dear 100 is already explained in the video...
@aatifawan781
@aatifawan781 6 жыл бұрын
but i don't understand
@bjnmusicianchannel8024
@bjnmusicianchannel8024 7 жыл бұрын
people more impress this viewers & subscribe for this channel liked pages people have most view the a good videos & songs
@Sulimankhanacademy
@Sulimankhanacademy 7 жыл бұрын
yap. thats right
@eleazarcalel5300
@eleazarcalel5300 6 жыл бұрын
i know that we have to multiply by sin2( Vertical Angle)*constant? someone to correct me
@Vigula
@Vigula 4 жыл бұрын
Multiply by the tan (tangent) of the angle as tan = o/a (o=length of the side of the triangle opposite the angle and a is the side adjacent to the angle. The theodolite gives you the angle so you get the tan of this angle from your manual (or maybe the theodolite calculates it for you), you know the length 'o' as this the vertical distance read off the measuring rod and multiplying them gives you 'a' i.e., the distance to the vertical measuring rod.
@sercanyagar
@sercanyagar 5 жыл бұрын
Üzgünüm anlamadım. Yardımcı olabilecek var mı
@muhammadumer6631
@muhammadumer6631 6 жыл бұрын
Thanks G
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
welcome dear
@muhammadumer6631
@muhammadumer6631 6 жыл бұрын
Sir plz 1 lecture road ka level ksy ly gy
@nareshgoshwal8977
@nareshgoshwal8977 5 жыл бұрын
Ur handsome
@sknayum8445
@sknayum8445 6 жыл бұрын
Walekum Salam
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
thank you for joining us
@balajichermakani7009
@balajichermakani7009 7 жыл бұрын
what constant 100
@anjithanjith4153
@anjithanjith4153 4 жыл бұрын
Vedio with subtitle sir ,please
@Sulimankhanacademy
@Sulimankhanacademy 4 жыл бұрын
I will try
@anjithanjith4153
@anjithanjith4153 4 жыл бұрын
@@Sulimankhanacademy thanks sir
@Sulimankhanacademy
@Sulimankhanacademy 4 жыл бұрын
Most welcome dear
@GonzaloOrtiz1
@GonzaloOrtiz1 6 жыл бұрын
subtitles would be nice
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
thank you for suggestion . next time i will try
@remardelacruz4074
@remardelacruz4074 2 жыл бұрын
Subtitle reveal
@MrUswat
@MrUswat 6 жыл бұрын
are your ????
@cabdirisaaqhaybe5488
@cabdirisaaqhaybe5488 3 жыл бұрын
Distence
@Sulimankhanacademy
@Sulimankhanacademy 3 жыл бұрын
Haha
@mlb6d9
@mlb6d9 6 жыл бұрын
How accurate is this method?
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
this is just for short distance because earth curvature is ignored here
@mlb6d9
@mlb6d9 6 жыл бұрын
I just tried this method last night at a distance of just under 45'. After checking with a tape, it was within 1/4" - pretty cool!
@B3RG3RS0N
@B3RG3RS0N 8 ай бұрын
Can't understand a word🙄
@StreetArtillery
@StreetArtillery 6 жыл бұрын
What?
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
what?
@TheSmiley316
@TheSmiley316 6 жыл бұрын
Are you speaking English? Very hard to understand you, maybe you should get English help.
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
This video is enough old. Lets check recent videos...
@TheSmiley316
@TheSmiley316 5 жыл бұрын
@@Sulimankhanacademy are you in need of English help? What are you trying to say?
@RajeevGamer82
@RajeevGamer82 Жыл бұрын
L
@Sulimankhanacademy
@Sulimankhanacademy Жыл бұрын
N
@savemoneyongroupon
@savemoneyongroupon 3 жыл бұрын
hello. whats the longest distance ever recorded on a horizontal reading of a theodolite?? do you know?
@Sulimankhanacademy
@Sulimankhanacademy 3 жыл бұрын
Hi. Thats not known, because there are different types of theodolites having different ranges
@ashimpanthi483
@ashimpanthi483 4 жыл бұрын
Thank you
@Sulimankhanacademy
@Sulimankhanacademy 4 жыл бұрын
Enjoy dear
@CASH-TO-THE-MERE101
@CASH-TO-THE-MERE101 4 жыл бұрын
Ashim Panthi same
@mounirmounir5053
@mounirmounir5053 4 жыл бұрын
Thank you
@Sulimankhanacademy
@Sulimankhanacademy 4 жыл бұрын
welcome dear
@khaleejkha4026
@khaleejkha4026 6 жыл бұрын
Thanks
@Sulimankhanacademy
@Sulimankhanacademy 6 жыл бұрын
welcome dear.... thank you for joining me
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