Bharat lohani department of civil engineering iit kanpur. So, what we have to do is to find a solution which is optimal. For most engineering projects such as canal, railway, highway, building, pipeline, etc constructions, this type of surveying is. This first lecture will define the purpose of surveying, introduce the various branches of surveying, highlight the basic principles of surveying and discuss briefly the techniques and instruments used to take measurements in surveying. Classification of surveying photogrammetric survey. Surveyors under this class are mostly concerned with valuation and investment. Because of its various uses, the theodolite is sometimes known as universal instrument. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online. How to download notes directly in pdf format from nptel. In engineering surveying, either or both of the above formats may be utilized in the planning, design and construction of works, both on the surface and underground. The first edm instrument called geodimeter was developed in sweden in the year 1948. Geoinformatics definition, disciplines covered, importance. It is an electronic transit theodolite integrated with electronic distance measurement edm to measure both vertical and horizontal angles. Surveying complete syllabus details for ies gate psu by.
Now, out of those hundreds of possibilities which one is the best one. This is one of the important subjects of civil engineering. At a later stage, surveying techniques are used in the dimensional control or setting out of the designed constructional elements and also in the monitoring of deformation movements. It is also integrated with microprocessor, electronic data collector and storage system. Along with conventional instruments, the book also contains illustrations and descriptions of the most modern and advanced measuring instruments such as wild t2, t3. You can find most of the materialsnotes related to civil engineering. We hope students all over the world will find it helpful.
Environmental engineering ae aee handwritten ace academy. Civil engineering modern surveying techniques nptel. Edm is a surveying instrument for measuring distance electronically between two points through. Wire cut edm, also known as wire electrical discharge machining, or wire edm is a method of cutting or shaping conductive materials with a thin electrode that follows a precisely programmed path. Electrical discharge machining is a machining method primarily used for hard metals or those that would be very difficult to machine with traditional techniques. Part 650 engineering field handbook chapter 1 surveying 1viii 210viefh, october 2008 figure 114 calculating horizontal latitude and longitude coordinates 126 from survey data figure 115 distance measured as either horizontal or slope distance 126 figure 116 odometer wheel 127 figure 117 breaking chain 128 figure 118 digital laser edm. The edm generates an infrared continuouswave carrier beam, which is modulated by an electronic. The type, range and accuracy of an edm instrument depend on the type of.
Chapter 12 electronic surveying equipment chapter 12 of the ea3 traman introduced you to electronic surveying equipment, specifically electronic distancemeasuring equipment. The dumpy level is a commonly used leveling instrument. The book contains sixteen chapters, including four chapters on field astronomy, photogrammetric surveying, electromagnetic distance measurement edm and remote sensing. Spend time on studying, not for searching material to study.
One of your first tasks is to work with a senior engineering surveyor to establish a framework of control survey points for a new. Engineering surveying, chapter 1, pages 1 to 17 examinable 1 introduction. Total station and its applications in surveying gis resources. Here in we have gathered some pdf lectures on surveying. Photogrammetry is the science of taking measurements with the help of photographs taken by aerial camera from the air craft. It is also used by archaeologists to record excavations as well as by police, crime scene investigators, private accident reconstructionists and insurance companies to take measurements of scenes.
This chapter is intended to supplement what you learned in the ea3 traman discussion, and, in addition, introduces you to the basic principles and uses of other types of. Surveying is made up of various specializations known as sectors or classes as shown below. Lecture 30 modern surveying instrument total station. A total station is an electronicoptical instrument used in modern surveying and building construction that uses electronic transit theodolite in conjunction with electronic distance meter edm.
Total station setup and operation university of south alabama. Bharat lohani, department of civil engineering, iit kanpur. Here you can download the free lecture notes of surveying pdf notes, materials with multiple file links to download. Geodimeter is geodetic distance meter developed based on a modulated light beam. Chapter 1 surveying 1viii 210viefh, october 2008 figure 114 calculating horizontal latitude and longitude coordinates 126 from survey data figure 115 distance measured as either horizontal or slope distance 126 figure 116 odometer wheel 127 figure 117 breaking chain 128 figure 118 digital laser edm. Here the electronic distance measuring equipment and a reflector are necessary to carry out the. Using a total station total station manual with laser scanner function. It is a basic course for all universities for civil engineers. Knowledge of surveying is incomplete without the knowledge of leveling. It is also integrated with microprocessor, electronic data collector and storage system the instrument is used to measure sloping distance of object to the. Modern surveying techniques modern surveying techniques. Surveying is a very important part of civil engineering.
Material is removed from the work piece by a series of rapidly recurring current discharges between two electrodes, separated by a dielectric liquid. Nptel, an elearning initiative by the 7 indian institutes of technology and the indian institute of science with the support of the mhrd, govt. Electronic distance measuring instrument is a surveying instrument for. Types of surveying on the basis of whether the curvature of the earth is taken into account or not, surveying can be divided into two main categories. The theodolite is a complex instrument used mainly for accurate measurement of horizontal and vertical angle up to 10 or 20 depending upon the least count of the instrument. Lecture series on modern surveying techniques by prof. This video course is useful for civil engineering students whom have subject of. Compass surveying principles use of prismatic compass, measurement of. Nptel provides elearning through online web and video courses various streams. Total station in surveying operation, uses and advantages. Nptel has changed the links of pdf lecture notes since august 2019.
Topsurvsettings and job creation mapping and stake out. Edms structure when the slope distance l and slope angle. To find out more you could watch some of our videos. Edm or electromagnetic distance measurement the method of direct distance measurement cannot be implemented in difficult terrains. Total station and its applications in surveying gis. The instrument can be used to measure horizontal and vertical angles as well as sloping distance of object to the instrument.
The second instrument for edm was designed and developed in africa in the. Modern surveying advanced surveying surveying 2 and 3. Introduction to engineering surveying ce 5 levellingtheory. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel. Surveying, the first step of starting a new civil engineering project, is a very important branch of civil engineering. Surveying in civil engineering introduction to surveying shubham sir lec 01 duration. When th is changed make sure you hit the ok function key. The goal of this site is presently to help the undergraduates pursuing b. Types of surveying on the basis of whether the curvature of the earth is taken into account or not,surveying can be divided into two main categories. As a result, it has found strong base in a wide array of practical applications. Electronic distance measuring method edm basic civil. Electronic distance measurement instrument types, functions. Electronic distance measurement can be done by instruments like geodimeter, tellurometer or distomat etc. In this type of survey all measurements length, angles, coordinates are made with the help of edm instrument i.
Electronic distance measurement instrument types, functions, uses. Levelling is the art of representing relative positions in the vertical plane. Here the distance is measured with the help of electromagnetic waves such as micro wave, infra red wave and other similar waves. The instrument is used to measure sloping distance of object. Tacheometric surveying study notes unit ii tacheometric is a branch of surveying in which horizontal and vertical distances are determined by taking angular observation with an instrument known as a tachometer. More expensive process than conventional milling or turning. The relative positions of points are located by means of measuring distances, directions and angles accurately with the help of various surveying instruments.
Surveying lecture notes, week surveying engineering. Leveling the total station leveling the total station must be accomplished to sufficient accuracy otherwise the instrument will not report results leveling the instrument takes 30 to 45 minutes make sure you can see all targets from the instrument station before going through the process. Use handlevel, setup the tripod over the positioning mark at a convenient height suspend the plumbbob or release the laser mark depends on the model readjust the tripod over the positioning mark by moving all three tripod feet by the same amount in the same direction. Here the electronic distance measuring equipment and a reflector are necessary to carry out the survey. Total station setup and operation university of south. Troubleshooting the rem measurement the only numerical input is the target height so make sure that is entered correctly. This chapter is intended to supplement what you learned in the ea3 traman discussion, and, in addition, introduces you to the basic principles and uses of other types of electronic surveying. A total station ts or total station theodolite tst is an electronicoptical instrument used for surveying and building construction. Modern surveying techniques nptel online videos, courses. Ghosh, department of civil engineering, iit roorkee. Edm is a surveying instrument for measuring distance electronically between two points through electromagnetic waves. The distance measured by edm is more precise than measured with chain or tape. Tacheometric surveying is adopted in rough in rough and difficult terrain where direct. A total station is an electronicoptical instrument used in modern surveying and building.
Nptel syllabus surveying video course basic surveying or geoinformatics 1. Surveying nptel online videos, courses iit video lectures. Chapter 3 surveying equipment, measurements and errors wsdot. The branch of environmental engineering which deals with the study of design and construction of structures related to collection, coveyance treatment and distribution of potable water. Aug 11, 20 classification of surveying photogrammetric survey. Modern edms use the precision of a quartz crystal oscillator and the measurement of phaseshift to determine the distance. Notes on electronic distance measurement mygeodesy. The edm is set up at one end of the distance to be measured and a reflector at the other end. A total station is an electronicoptical instrument used in modern surveying. An operators manual is furnished with each new instrument. Surveying is the art of measuring distances, angles, and positions above, on or below the earths surface.
Valuation surveyors deal with property markets, land and property values, valuation procedures and property law. Lecture 1 geographic information system an introduction. The development of electronic distance measuring instruments edmedmis has had. Without taking a survey of the plot where the construction is to be carried out, the work cannot begin. Civil engineer examination engineering surveying test plan effective january 2018. To simplify the procedures to obtain accuracy in surveying, the electronic distance measuring method was introduced. The electrode is a thin wire, with diameters that typically range from. Introduction, electromagnetic spectrum, electromagnetic distance measurement, total station, digital selfleveling levels, scanners for topographical survey. Though the machine for micro cuttings are kinematically similar to conventional machines, there are many differences in terms of process mechanics. Photogram metric surveying or photogrammetry is the science and art of obtaining accurate measurements by use of photographs, for various purposes such as the construction of planimetric and topographic maps, classification of soils, interpretation of geology. Lecture 1 introduction gps surveying and applications.
Dec 05, 2010 surveying is the art of making suitable measurements in horizontal or vertical planes. Apr 17, 2018 edm stands for electronic distance measurement. Surveying is the art of making suitable measurements in horizontal or vertical planes. Edm is a nocontact and noforce process, making it well suited for delicate or fragile parts that cannot take the stress of traditional machining. Pdf introduction to geomatics engineering lecture 1. Jul 05, 2017 surveying complete syllabus details for ies gate psu by bharat kumar mahawar. Arthur r benton and philip j taety, elements of plane surveying, mcgraw hill 2000. Engineering surveying is defined as those activities involved in the practice and application of surveying principles for the location, design, construction and maintenance and operation of engineered projects.
Electronic total stations are levels too precise trigonometric leveling using modern total station instruments by jesse kozlowski, pls. Lecturer of surveying the islamic university of gaza introduction. For small areas less than 250 km2 plane surveying can safely be used. We use cookies to offer you a better experience, personalize content, tailor advertising, provide social media features, and better understand the use of our services. Edm typically works with materials that are electrically conductive, although methods have also been proposed for using edm to machine insulating ceramics. Edm instruments use infrared light, laser light ormicrowaves. Inspecting the edm of the total station 23 instrument errors in the total station 24 simple surveying tasks 26 aligning from the midpoint 26 measuring slopes 27 measuring rightangles 28 applications programs 29 calculating areas 29 staking out 30 remote heights 31 tie distances 32 freestation surveys 33 the applications programs available 34. Surveying complete syllabus details for ies gate psu by bharat kumar mahawar. Total station is a surveying equipment combination of electromagnetic distance measuring instrument and electronic theodolite. Digital land surveying and mapping civil engineering. The total station is an electronic theodolite transit integrated with. It is the art of measuring horizontal and vertical distances between objects, of measuring angles between lines, of determining the direction of lines, and of establishing points by predetermined angular and linear measurements. Surveying notes pdf book starts with the topics distance measurement conventions and methods, theodolite, description, uses, and adjustments. Nov 09, 2015 edm is a nocontact and noforce process, making it well suited for delicate or fragile parts that cannot take the stress of traditional machining.
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