Download file pdf theodolite surveying lab manual theodolite surveying lab manual measurement of vertical and horizontal angle using theodolite how to use a digital theodolite part 1 of 2 ce240 video tutorial series. Theodolites are essential surveying instruments used for the measurement of horizontal and vertical angles. Procedures outlining each fieldwork have been comprehensively covered. Parts of transit theodoliteparts and functions readcivil. Aug 17, 2016 theodolite traversing, purpose and principles of theodolite traversing 1. May 2005 surveying equipment, measurements and errors 3. We offer surveying equipment total station in delhi, noida and deals in all kind of total station like electric total station reflectorless total station.
It is an instrument utilized in the land looking over and building industry, however theodolites have been adjusted for other specific purposes also. Leveling systems are fitted for accurate installation of theodolites. A theodolite is an instrument for estimating both even and vertical edges, as utilized in triangulation systems, and geoarea work. It is used for prolongation of survey lines, finding the difference in elevation and setting out engineering works requiring higher precision, i. The bearings for this horizontal or trunnion axis are. A modern theodolite consists of a movable telescope mounted within two perpendicular axes. An optical plummet ensures the theodolite is placed as close to exactly vertical above the survey point. Heights and distance using principles of tacheometric surveying two exercises 5. In its modern form it consists of a telescope mounted to swivel both horizontally and vertically. Fieldworks covered in this manual include chain surveying, plane table surveying, theodolite traverse surveying, leveling, tacheometry, curve setting, house. The traditional use has been for land surveying, but they are also used extensively for building and infrastructure construction, and some specialized applications such as meteorology and rocket launching. A theodolite is basically a telescope with both a vertical and horizontal axis. Modern theodolites have a telescope that can be mounted to a swivel which can move both horizontally and vertically, and the crosshairs allow you to make accurate alignments with the target object.
Students will apply the knowledge gained from theoretical surveying to. The theodolite is a most accurate surveying instrument mainly used for. We hope students all over the world will find it helpful. Way more information than you ever wanted on how to fell a tree. Surveying notes pdf book starts with the topics distance measurement conventions and methods, theodolite, description, uses, and adjustments. The theodolite is most accurate instrument used for measurement of horizontal and vertical angles. School of surveying, university of new south wales. Chapter 3 surveying equipment, measurements and errors. Horizontal angle electronic theodolite engineering surveying practical duration. Determination of two inaccessible points with compass. Surveying is primarily utilised to fix the national and state boundaries, chart coastlines, navigable streams and lakes, establishing control points, execute hydrographic and oceanographic charting and mapping, prepare topographic map of land surface of the earth, prepare plan or map of the area surveyed, collect field data, analyse and to calculate the field parameters for setting out. Setting out grades ranging curves tacheometric survey 4.
Theodolite components of a theodolite introduction the theodolite is used to measure horizontal and vertical angles. Theodolite, basic surveying instrument of unknown origin but going back to the 16thcentury english mathematician leonard digges. Ce 104 practical surveying sessional lab manual department of civil engineering ahsanullah university of science and technology november, 2017. Doc theodolite traversing rabiatul adawiyah academia. Ibrahim mahamid civil engineering department, engineering faculty, university of hail, ksa. They are i transit type ii nontransit type a transit theodolite is one in which the line of sight. In traversing with a compass free or loose needle method is employed to determine direction of survey line. Theodolite parts and its functions for measurements in surveying. To measure horizontal and vertical angles, a theodolite or a total station is used. A theodolite is a surveying instrument that dates back to the 16th century, and its used to measure horizontal and vertical angles. 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. Theodolite 4 vertical and horizontal measurement theodolite 4 vertical and horizontal measurement, oten building and. Trigonometric leveling heights and distance problem two exercises 4.
This might be determined with a magnetic compassfrom an existing survey network or by the use of the gyro theodolite in an extended tracking mode. Mar 05, 2009 horizontal angle electronic theodolite engineering surveying practical duration. Survey i surveying i list of practical minimum 15 practical should be performed out of the following 1 measurement of distance by ranging and chaining. Here in we have gathered some pdf lectures on surveying. To measure vertical angle of given points by electronic theodolite. Study of theodolite in detail practice for measurement of horizontal and vertical angles. Basic surveying theory and practice for performing certain mathematical operations with angles, it is sometimes easier to convert to decimal degrees first, perform the necessary math, then convert back to degrees, minutes, and seconds. Theodolites are used mainly for surveying applications, and have been adapted for specialized purposes in fields like metrology and rocket launch technology. Thus, surveying is a basic requirement for all civil engineering projects. Measurement of horizontal angles by method of repetition and reiteration. It is a basic course for all universities for civil engineers. The theodolite is used to measure horizontal and vertical angles. A theodolite is a precision instrument for measuring angles in the horizontal and vertical planes.
Gyro theodolite pdf if the gyro theodolite is used, the azimuth datum with absolute high accuracy can be obtained, and it can reduce the expensive testing operation the. Surveying is the science of measuring and recording information about our physical environment. To measure horizontal angle by method of reiteration. Theodolites, land surveying theodolites, land surveying. How to use a digital theodolite part 1 of 2 youtube. The accuracy with which these angles can be measured ranges from 5mins to 0,1 secs. Setting out grades ranging curves tacheometric survey a. The latest theodolites have infrared distance measuring devices, for which regular infrared inspection is essential. Part1 theodolite surveying in hindi parts of theodolite, varnier scale. The wheel responds to a force applied to the axis by a reaction force to the output axis. After completion of the experiment, certification of the staff incharge. The theodolite is one of the most precise surveying instruments and is suitable for. Based upon the consideration of the shape of the earth, surveying is broadly classified as geodetic surveying and plane surveying. To measure the horizontal angle, the angles obtained are.
Ce 104 practical surveying sessional lab manual ahsanullah. Surveying i list of practical minimum 15 practical should be performed out of the following 1 measurement of distance by ranging and chaining. Theodolite surveying notes, advanced surveying notes. It has a powerful telescope and so it can be used also for distance sighting. Theodolite surveying surveying geomatics free 30day. These two devices were fundamentally equivalent and could accomplish basically the same task today, total station accomplish all the task much more efficiently than transits and theodolite in addition, it can observes distance accurately and quickly. It is a very important instrument in plane surveying. A theodolite is called a transit theodolite when its telescope can be transited i. Surveying instruments theodolites bright hub engineering. Theodolite training for students at the university of hawaii. Minimum 15 practical should be performed out of the.
The spectra precision det2 digital electronic theodolite gives you accurate measurements in an affordable, versatile, easy to use platform. Three point problem in plane table surveying resection. The electronic digital theodolite has been adapted for specialized purposes in marine science surveying, including marine mammal tracking and obtaining beach profiles and terrain models. Offers dual displays and controls for easy accessibility and operation, very large backlit lcd characters for easy reading also, reduces eye strain and chance for errors, and a host of features and parameters normally found on much higher priced instruments. Here you can download the free lecture notes of surveying pdf notes, materials with multiple file links to download. Taylors university sabd site surveying qsb 60103 traversing report 1 school of architecture, building and design bachelor of quantity surveying honours qsb 60103 site surveying semester 2 fieldwork 1 report traversing name student id marks hor weng lim 0319441 felix vong zhi wei 0318462 kevin lee hee xian 0315192 jackson ting shii hang 0324326. Digital electronic theodolite surveying equipment and.
The use of levels and total stations is illustrated by a series of practical examples. Surveying lab manual pdf surveying 1 lab manual pdf. Theodolite surveying theodolite the theodolite is a most accurate surveying instrument mainly used for. These two devices were fundamentally equivalent and could accomplish basically the same task today, total station accomplish all the task much more efficiently than transits and theodolite in addition, it can observes distance accurately and quickly furthermore, it can make computations with the angle and distance. Procedure for surveying the given open field closed traverse.
The internal spirit level makes sure the device is level to to the horizon. Page ii preface this course is designed to provide civil engineering undergraduates with basic understanding of the theory and practice of engineering surveying techniques. Surveying is a very important part of civil engineering. Jun 04, 2010 surveying instrument most of the useful instruments in surveying companies and industrial area and also used in police, crime scene investigators, and private accident reconstructions. Theodolites are precision instruments used for measuring both. Theodolites are similar to total stations, except that the total stations are used when the distances. Theodolite traversing is a method of establishing control points, their position being determined by measuring the distances between the traverse stations which serve as control points and the angles subtended at the various stations by their adjacent stations. A theodolite works by combining optical plummets or plumb bobs, a spirit bubble level, and graduated circles to find vertical and horizontal angles in surveying. The theodolite is one of the most precise surveying instruments and is suitable for measurement of horizontal as well as vertical angles. There is certainly a good deal of overlap between the functionality of these two surveying tools, although the theodolite, especially the digital theodolite, is nowadays used more widely. Surveying lab manual dronacharya group of institutions.
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