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L10Sep02 - Course Lecturers Prof L.G Tham Room 6-28 Haking...

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CIVL 1009 Survey (2010-2011 Semester 1) Introduction 1 CIVL1009 Survey Introduction CIVL 1009 Survey (2010-2011 Semester 1) Introduction 2 Course Lecturers Prof. L.G. Tham Room 6-28, Haking Wong Building Tel.: 2859-1965 Fax.: 2559-5337 E-mail: [email protected] Dr. Tony N.N. Sze LG2-08, Composite Building Tel.: 2859-2662 Fax.: 2517-0124 E-mail: [email protected] To download lecture notes: http://web.hku.hk/~szenn/civl1009.html CIVL 1009 Survey (2010-2011 Semester 1) Introduction 3 Course Content Major Topics • Levelling Distance and angle measurement • Tacheometry • Traverse Triangulation and trilateration Theory of error Network adjustment Horizontal and vertical curves Special topics: laser scanning technique, GPS, Photogrammetry CIVL 1009 Survey (2010-2011 Semester 1) Introduction 4 Course Content Schedule • Lecture • Every Thursday, 8:30- 10:25 (CBA) • Tutorial • Every Friday, 9:30-10:25 (LE2) Laboratory practice • Levelling, 6 September, 2010 (Monday) • Introduction to surveying instruments, 7 September, 2010 (Tuesday) • Triangulation, 13 September, 2010 (Monday) Survey camp • The Kadoorie Institute- Shek Kong Centre ( 3-7 January 2011 )
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CIVL 1009 Survey (2010-2011 Semester 1) Introduction 5 Course Content Reference material Title: Surveying • Author: Arthur Bannister, Stanley Raymond and Raymond Baker • Edition number: 7 • Publication year: 1998 • Publisher: Prentice Hall • ISBN: 0582302495 CIVL 1009 Survey (2010-2011 Semester 1) Introduction 6 Introduction Definition of surveying The science and art of • (i) determining the relative positions of points ( natural and man-made features ) above, on, or beneath the surface of the earth • (ii) establishing such points CIVL 1009 Survey (2010-2011 Semester 1) Introduction 7 Introduction Definition of surveying (cont’d) Making measurements • Two Dimensions: Horizontal plane • Third dimensions: Levelling • Computations • Distances, areas, volumes Presentation of information • Graphically: plotting the measurements to suitable scale to form a map, plan or section • Numerically CIVL 1009 Survey (2010-2011 Semester 1) Introduction 8 Introduction Use of surveying To map the earth above and below the sea To prepare navigational maps (land, air, sea) To establish boundaries of public and private lands To develop databases for natural resource management To prepare engineering data for • Bridge construction • Roads • Buildings • Land development
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CIVL 1009 Survey (2010-2011 Semester 1) Introduction 9 Introduction Major methods of surveying Geodetic surveying • Takes into account the theoretical shape of the earth • Requires knowledge of spherical geometry • Requires survey in high accuracy • Cover large areas Plane surveying • Assumes that the survey area is a flat plane • Measurements plotted represent the projection on the horizontal plane of the actual field measurements • Generally covers smaller areas (discrepancy is not serious for surveys up to 250 sq. km) CIVL 1009 Survey (2010-2011 Semester 1) Introduction 10 Introduction Major methods of surveying
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