B.Tech. in civil engineering at IIT Kharagpur. Summer research intern at the University of Edinburgh, United Kingdom. 

Ashish Ranjan

In this course, the educator discusses the principles of surveying, errors and their adjustment, maps-scale, coordinate system, distance and angle measurement - levelling and trigonometric levelling, traversing and triangulation survey, total station, horizontal and vertical curves.

GATE (Graduate Aptitude Test in Engineering) 2020 & 2021 complete preparation with best educators. Know about the detailed syllabus, best books, exam pattern and dates, previous year question papers a

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Surveying-Part 1: GATE (CE)

Fundamental Concepts of Surveying

Surveying

Civil Engineering

GATE & ESE - Civil

GATE, ESE and IIT-JAM

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Overview

Some basic definitions of terms like great circle, meridian, plumb line, level surface, mean sea level, latitude, longitude, prime meridian.

Some Basic Definitions - Part 1

Some other basic definitions regarding surveying like level line, horizontal plane and line, vertical plane and line, grade, elevation, contours, spherical triangle, spherical excess.

Some Basic Definitions - Part 2

It includes the definition of surveying, and classification of surveying based on accuracy desired, and also based on purposed of survey.

Introduction to surveying - Part 1

It includes classification of different types of surveying based on place of survey, and also based on instrument used.

Introduction to surveying - Part 2

It deals with the two basic principles of surveying and also some important units of measurement.

Principles of surveying

Introduction to errors, their sources, and their types.

Errors

Distinction between mistake and error, and also between precision and accuracy.

Error, mistake, precision, and accuracy

It includes adjustment and care of instruments, and surveying measurements.

Surveying work - Part 1

It includes recording field notes, field book, and office work.

Surveying work - Part 2

It includes scale, legends, inking-in drawings, and furnishing drawings.

Scale - office work

Formulae and numericals on scale (representative fraction).

Numericals on scale - Part 1

Numericals on scale - Part 2

Discussion of some objective type questions. One correction to be noted here is that in question no 7 (in the question itself), map is a graphical representation of the features on a "small" scale... (not "large" scale). Rest everything is correct.

Objective type questions

It includes the introduction to horizontal measurements, chain surveying, and some important definitions related to chain surveying.

Horizontal measurements : chain surveying - Part 1

It includes detailing of a chain, it's suitability and unsuitability, and different types of tapes used for measuring offsets.

Horizontal measurements : chain surveying - Part 2

It includes the accessories that are used in chain surveying, like pegs, arrows, ranging rods, offset rods, clinometer, etc.

Horizontal measurements : chain surveying - Part 3

It includes optical square, prism square, and direct and indirect ranging.

Horizontal measurements : chain surveying - Part 4

It involves distance measurement on level ground, and sloping ground, also including the direct and indirect methods for sloping ground.

Horizontal measurements : chain surveying - Part 5

Numericals based on the indirect method for chain surveying.

Numericals on chain surveying

It includes compensating and cumulative errors (positive and negative cumulative errors), and also errors in measurement with incorrect chain length.

Errors in chaining

Discussion of some numericals based on the errors related to the chaining process. Please note a correction in the second numerical, that while calculating the true area in the last step of the Method no 2,  the product of 401.6 and 200.8 comes out to be 80641.28 sq.m. (not 80041.28). The results for the true area obtained from method 1 and method 2 will be the same (80641.28 sq.m.).

Numericals on errors related to chaining - Part 1

Numericals related to the errors in the chaining process.

Numericals on errors related to chaining - Part 2

It includes correction for standard length, correction for slope, correction for tension(pull), and correction for temperature.

Tape corrections - Part 1

It includes sag correction, reduction to mean sea level, combining corrections, and normal tension.

Tape corrections - Part 2

Numericals on tape corrections - Part 1

Numericals on tape corrections - Part 2

Discussion of offsets and the limiting length of the offsets.

Offsets - Part 1

Discussion of combined errors in offsets due to both direction and length.

Offsets - Part 2

Numericals on offsets - Part 1

Numericals on offsets - Part 2

Numericals on obstacles to chaining - Part 1

Numericals on obstacles to chaining - Part 2

Introduction to the EDM equipments, their classification, the principle used, and the accuracy involved in those equipments.

Electromagnetic Distance Measurement (EDM)

Objective type questions - Part 1

Some objective type questions. A few corrections to be noted here is that in question no 6, the correct question is "The allowable length of an offset depends upon". In question no 11, the correct answer is option - 'B' (4019 m). In question no 13, we could not finish the discussion of entire question, "option 'C' is correct, because metallic tape is made by waving linen with brass or copper wires. Option 'D' is incorrect, because steel tapes are especially not used in grounds with weeds and vegetation, due to the problem of rusting."

Objective type questions - Part 2

Objective type questions - Part 3

Introduction to measurement of vertical distances.

Measurement of vertical distances - Introduction

Some basic definitions like level surface, line of collimation, height of instrument, etc.

Vertical Distances - Some important definitions - Part 1

Some important definitions like back sight, fore sight, change point, bench mark, etc.

Vertical Distances - Some important definitions - Part 2

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Praveen Kumar

In this course, the educator discusses the most important subject of civil engineering "surveying". In this course, he starts from very basic to advance level and also cover some important numerical for clarity of the concept.

(Hindi) Survey for Civil Engineering

Asst.Professor of Languages and life skills development, B.tech Civil , Diploma in Literature, Author of Alfaaz-e-Nafs, CEFR certified

Salman Shaheen Charoo

Explaining plane table serveying in detail

Plane Table Surveying

BTech civil, 
practical and theoretical lessons of civil engineering.
General intelligence and general mathematics.

Sagar Sharma

In this course, the educator discusses how to estimate, costing, and calculating the quantity of civil work helpful for civil engineering.

(Hindi) Estimate and Costing and Quantity Survey 1: Civil Engineering

Worked as plus educator for unacademy. appeared  in  intervew in RPSC Aen. 2 time ssc je pre qualified

Neeraj Sharma

in this course Neeraj has discussed about all the basic of surveying, error and correction, chain survey, and practice questions.

(Hindi) Surveying Module - Part 1 for GATE Aspirants

I am B.Tech Graduate in Civil Engineering. I have 3 years experience in teaching. 
for more video please visit "School ki pathshala "YouTube

Rajesh Saini

In this course, the educator is discussing
Compass Bearing System And leveling Methods (H. I. AND Rise&fall Method) for 
GATE & ESE aspirants

(Hindi) Compass Surveying and Leveling for GATE and ESE

Civil Engineering Graduate from Indian Institute of Technology Guwahati

Shivshant Tripathi

The course Theory of Errors is divided into two parts. Part 1 of the course will provide knowledge about errors, its types, how to measure errors and what are the different methods to quantify errors, very concisely and precisely. Each concept related to the theory of errors are thoroughly discussed in this course. Examples are also solved to give a better understanding of important concepts.

Lessons

40 lessons • 7h 50m

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Overview

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Some Basic Definitions - Part 1

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Some Basic Definitions - Part 2

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Introduction to surveying - Part 1

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Introduction to surveying - Part 2

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Principles of surveying

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Errors

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Error, mistake, precision, and accuracy

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Surveying work - Part 1

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Surveying work - Part 2

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