Principles and use of surveying instruments pdf

Robillard 11 introduction 1 12 oveiview 1 the future 1 14 background of surveying and mapping 1 15 the suiveying profession 2 16 suiveying literature 2 17 suiveying education 2 2 surveying field notes, data collectors 3 russell c. Expanded egyptian work and developed science of geometry developed one of the earliest surveying instruments dioptera form of level 8. Here in we have gathered some pdf lectures on surveying. Principles and methods of surveying in civil engineering. Survey data is portrayed graphically by the construction of maps, profiles, cross sections, and diagrams. Manufacturers and suppliers imported supplies used supplies the quality of manufacturing standards differs from country to country. Geodetic surveys carried out with higher degree of. Pdf many treatises on geometry were written in the xvi century. More specifically, surveying is the science of making measurements, relative to known or assumed datums and standards, and applying the principles.

Distances, angles, directions, locations, elevations, areas, and volumes are thus determined from the data of the survey. The main principle of chain surveying or chain triangulation is to provide a framework consist of a number of wellconditioned triangles or nearly equilateral triangles. This part of the definition denotes the next stage of any survey, which in land surveying constitutes the measurement to determine the relative position and sizes of. In this manual different types of leveling instruments are discussed. The fundamental principles upon which the surveying is being carried out are. We hope students all over the world will find it helpful.

A practical project is used in an engineering surveying course to expose sophomore and junior civil engineering students to several important issues related to the use of basic principles of land. Chapter 3 surveying equipment, measurements and errors wsdot. Although the fundamental principle of a levelling instrument is to establish a. The surveyor will also make a note of the position of the tbm and which locations he might use for instrument positions to minimise the number of moves as shown in figure 17 below. Classifications, uses, necessity and use of various scales and verniers. In this training manual, we used in plane surveying rather. Apr 16, 2018 surveying is the art of determining the relative positions of different objects on the surface of the earth by measuring the horizontal distances between them, and by preparing a map to any suitable scale. The levelling survey will begin by walking the site and deciding upon the size and position of the grid to be used to collect the height data. Chapter 3 surveying equipment, measurements and errors. Definition of surveying in general, surveying is performed to determine the relative location or positioning of points on or near the earths surface. Surveys are capable of obtaining information from large samples of the population.

To determine the relative position of various points above, on or beneath the surface of the earth. What is surveying its principles, classifications and types. It is a basic course for all universities for civil engineers. Survey equipment equipment for each lab assignment will be checked out at the beginning of the lab and checked back in when the assignment is finished. If a survey job is only done once in a while, the handling of a level instrument is less complicated and acquaintance with the instrument is quickly made. Theodolite survey application in height and distance measurements.

Surveying and levelling instruments, theoretically. Surveying, a means of making relatively largescale, accurate measurements of the earths surfaces. It uses a prismatic compass for measuring magnetic. Plain scale and diagonal scale, conventional symbols 4. Surveying is a very important part of civil engineering. New categories of instruments, such as gyroscopes, compensation levelling instruments, electronic theodolites, distance meters and tacheometers, are. Guiding principles for selecting supplies and equipment.

Surveying is the process of finding the relative position of various points on the surface of the earth by measuring distance among them and setting up a map to any reasonable scale. Because the use of mathematical techniques to analyze field data. The main surveying instruments in use around the world are the theodolite, measuring tape, total station, 3d scanners, gpsgnss, level and rod. Aim of the paper is studying the instruments described by fonticulano and, thanks to the numerous applicative examples, analysing the surveying methods. It includes the determination of the measurement data, the reduction and interpretation of the data to usable form, and the establishment of relative position and size according to given measurement requirements. Extensive use of surveying in building of egyptian monuments. Chapter 5 deals with coordinate systems and reference datums necessary for an understanding of satellite position fixing and an. Surveying instruments and their operational principles.

Chain survey linear surveying which include the use of chain or tape to measure distances is conducted using different lengths of chains specifically made for the surveying purpose. Various methods of surveying are established on very simple fundamental principles. Linear measurement measurement in which horizontal or vertical distance between two points is measured is called linear measurement. If you have the use of a total station and you are able to set up over one of the beacons all the better. But when the area is large, undulating and crowded with many details, triangulation which is the principle of chain survey is not possible.

Basic principles in surveying i what is civil engineering. Principles and practice of surveying exam specifications. Accuracy and reliability depends on understanding scientific principles underlying and affecting survey measurement. Also, the actual making of a survey and recording andor delineation of dimensions and details for subsequent use. Surveying or land surveying is the technique, profession, and science of determining the terrestrial or threedimensional positions of points and the distances and angles between them. Pdf introducing principles of land surveying by assigning a.

For a level, the compen sator automatically takes care of the final lev. Made to utilize the principles of aerial photogrammetry, in which measurements made on photographs are used to determine the. With such surveying instruments, survey work will be slow and tedious. Using these procedures should result in uniform surveying and mapping practices. Set up the tripod so that the tripod plate is as horizontal as possible and the legs of the tripod are firm in the ground. Older types of instruments already out of use, or used only occasionally, are. The study consists of principles of survey, theodolite survey, tacheometric survey, setting out works and total station survey. Introduction to engineering surveying ce 5 levellingtheory. This document pdf may be used for research, teaching and private study purposes.

Pdf surveying methods and instruments in the sixth book. In addition to the above application, the principle may be used for certain other purposes such as. Supervision of and responsibility for the application of surveying principles and computations 1. A comprehensive overview of high precision surveying, including recent developments in geomatics and their applications this book covers advanced precision surveying techniques, their proper use in engineering and geoscience projects, and their importance in the detailed analysis and evaluation of surveying projects. Older types of instruments already out of use, or used only occasionally, are described in broad outline, mentioning basic principles, methods of testing and possibilities for their modernization. Surveying instruments and their operational principles, volume 62.

This manual is a revision of the engineering survey chapter of the 1969. Surveying or land surveying is the technique, profession, art, and science of determining the terrestrial or threedimensional positions of points and the distances and angles between them. He also worked out methods for practical use of the instrument. These measurements to determine the natural features of a country such as river, streams, lakes, woods etc, 2. An operators manual is furnished with each new instrument. These points are usually on the surface of the earth, and they are often used to establish maps and boundaries for ownership, locations, such as the. Much of the equipment we will use is very expensive and quite sensitive, great care. The principle of operation is essentially the same for all. Surveying is the process of determining relative positions of different objects on the surface of the earth by measuring horizontal distances between them and preparing a map to any suitable scale. For chain surveying, at least two men are required, but frequently three people are employed. The surveying basic principles can be stated under two aspects.

This method does not requires the need to create triangles. This manual provides basic concepts about surveying and is intended for use in the training course surveying methods for local highway agencies. Definitions, principle, various types of surveying based on. Leveling work is carried out using a dumpy level and a leveling staff. Earth surface is considered a plane of xy dimensions. Surveying, a means of making relatively largescale, accurate measurements of earths surfaces. Compass surveying principles use of prismatic compass, measurement of bearings. At the end of this course, a student should be able to appreciate the role of thesurveyor in. Amongst the various methods of surveying, the commonly used method is called chain surveying. Extend the legs of the tripod as far as is required and tighten the screws firmly.

These surveys are of high precision and extend over large areas. Chain surveying is the type of surveying in which only linear measurements are made in the field. Types of land survey methods based on the nature of field survey 1. Their types and uses are discussed in this article. The manual and course are intended for town, village, city, and county personnel who have field responsibilities related to. Revolutionary changes have taken place in last few years in surveying instruments that are used for measuring level differences, distances and angles. Thus, in discipline, the measurements are taken only in the horizontal plane. While on the work site, the survey assistant will also perform the manual labour. The manual introduces procedures to work with survey equipment now being used throughout mndot. Guiding principles for selecting supplies and equipment selecting medical supplies and equipment is not easy because of the wide range of products available.

For less precise works chain is used whereas, for more accurate and precise work other types of surveys are used. A land surveying professional is called a land surveyor. Some important things to remember about the use and care of the equipment are as follows. Purchase surveying instruments and their operational principles, volume 62 1st. This is the simple method of taking the linear measurement using a chain or tape with no angular measurements made. The surveyor will also make a note of the position of the tbm and which locations he might use for instrument positions to minimise the number of. Here horizontal angular measurements are made using magnetic. Permission will need to be obtained from third parties to re use their material. Lecturer, senior technical assistant department of mining engineering, indian school of mines, dhanbad 826004 abstract although surveying techniques have always played a primary role in collecting data for mapping, recently new instruments. The type of surveying that takes into account the true shape of the earth. Modern surveying instruments and their uses in civil. Surveying instruments and technology theodolites routledge. Definitions, principle, various types of surveying. The aim of the paper is studying the instruments described by fonticulano.

More specifically, surveying is the science of making measurements, relative to known or assumed datums and standards, and applying the principles of mathematics to. They are also well suited to gathering demographic data that describe the composition of the sample mcintyre, 1999, p. Tape measures are often used for measurement of smaller distances. Surveying is an art of determining the relative positions of various points on, above or below the surface of the earth by means of direct or indirect measurement of distance, direction and elevation. To take the linear measurements and angular measurements between various points. In this chapter, we use the 2000 national survey and other examples to illustrate key features of survey research. In geodetic surveys, the stations are normally long distances apart, and more precise instruments and surveying methods are required for this type of surveying than for plane surveying. The uses, principles, classifications, and types of surveying. Basic surveying manual michigan technological university. It includes the determination of the measurement data, the reduction and interpretation of the data to usable form, and, conversely, the establishment of relative position and size according to given measurement requirements. This reduces the need to set the instrument truly level, as with a dumpy or tilting level. What is surveying its principles, classifications and.

The criteria discussed below, and summarised in the checklist at the end of this section, are intended to help you decide what to include in a standard list and what to procure. After deciding the position of any point, its reference must be kept from at least two permanent objects or stations whose position have already been well defined. The procedure for execution of a site survey and the way of recording and calculation of the data are shown. Bahuguna, dheeraj kumar, sunil kumar associate professor, sr.

Made to utilize the principles of aerial photogrammetry, in which measurements made on photographs are used to determine the positions of photographed objects. Designing and developing the survey instrument 63 figure 5. 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 is the art of determining the relative positions of points on, above or beneath the surface of the earth by means of direct or indirect measurements of distance, direction and elevation. This video explains the two fundamental principles of surveying. Principles and methods of surveying in civil engineering projects. Further, different methods of curve setting have been emphasized.

Principles of surveying objectives of surveying uses of. Now, and only now, place the instrument on the tripod and secure it with the central fixing screw. In his ordinary work, the civil engineer is not concerned with geodesy or the higher branches of surveying, and accordingly the field covered in these two. Selflevelling instruments are the preferred instrument on building sites, construction and surveying due to ease of use and rapid setup time this more modern type of level is now in general use. This survey is done by measuring the vertical and horizontal distance of the field. Introduction to surveying department of training and. The objective of this chapter is to provide guidance in the use of basic sur veying principles, techniques, and procedures for the field layou. Lecturer, senior technical assistant department of mining engineering, indian school of mines, dhanbad 826004 abstract although surveying techniques have always played a primary role in collecting data for mapping, recently new instruments and methods for. In this video, we have discussed two principles of surveying. The manual and course are intended for town, village, city, and county personnel who have field responsibilities related to highway construction and maintenance.

What is chain surveying principles of chain surveying. Along with the actual survey measurements are the mathematical calculations. Thus, surveying has two similar but opposite functions. Pdf surveying methods and instruments in the sixth book of. In conventional surveying, chain and tape are used for making linear measurements while compass and ordinary theodolites are used for making angular measurements. The manual clarifies policies and procedures technical and professional surveying and mapping personnel use in their day to day work. Survey field procedures manual prepared by the division of. Principles of surveying objectives of surveying uses.

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