Plane and Applied Surveying 2
Traversing Theory Part
Traverse Computations
Definition
Types of Meridian
Applications of traversing
Bearings
Correction for observed angles (closed traverse)
Check angular Misclosure
Adjust angular Misclosure
Calculate adjusted bearings
Compute (E, N) for each traverse line
Coordinates.
-Traversing
Methods of conducting Traverse
1. Theodolite
2. Total Station
2. Compass
3. GPS
Bearings
Bearings
Bearing is the angle which a certain line make with a
certain meridian. Bearing with respect to true meridian is
called true bearings while magnetic bearing is the angle
which a line makes with respect to magnetic meridian.
There are two ways to represent the bearings,
Fore and back bearings
Whole circle bearing (W.C.B) ,(Azimuth)
Reduced Bearing (R.B) or quadrant bearing
6 The bearing of a line measured in the forward direction of survey line is called the ‘Fore Bearing’ (FB) of that line.
The bearing of the line measured in the direction opposite to the direction
of the progress of survey is called the ‘Back Bearing’ (BB) of the line.
BB= FB ± 180°
+ sign is applied when FB is < 180°
- sign is applied when FB is > 180°
1) Whole Circle Bearing (W.C.B) (Azimuth)
Is the bearing always measured from north in clockwise direction to a point.
Whole Circle Bearing (W.C.B) (Azimuth)
2) Reduced Bearing
Reduced bearing or Quadrant bearing is the angle which a line
makes from North or South Pole whichever may be near. The value of angle is from 0° to 90° , and are taken either clock wisely or anti clock wisely.
-Quadrant bearing
The difference between the whole circle bearing and quadrant
bearing are as follows.
-Example The following fore bearings were observed for lines, AB, BC, CD, and DE Determine their back bearings: • 145°, 285°, 65°, 215°
Example The Fore Bearing of the following lines are given Find the
Back Bearing.
(a) FB of AB= 310° 30’
(b) FB of BC= 145° 15’
(c) FB of CD = 210° 30’
(d) FB of DE = 60° 45’
Example:
Convert the following whole circle bearing to quadrant or
reduced bearings :
( i ) 42ᵒ 30’ ( ii ) 126ᵒ 15’
( iii ) 242ᵒ 45’ ( iv ) 328ᵒ10’
Example
Convert the following reduced bearings to whole circle
bearings:
( I ) N 65ᵒ 12’ E ( ii ) S 36ᵒ 48’ E
( iii ) S 38ᵒ 18’ W ( iv ) N 26ᵒ 32’ W
Closed Traverse
• Ends at a known point with known direction Geometrical Constraints
-Adjust the deflection angles
2-Interior angles Traverse
Interior angles are measured clockwise or counterclockwise between two adjacent lines on the inside of a closed polygon figure.
Example
The following traverse have five sides with five internal
angles. Find the angular misclosure and apply the angle
correction
-3-Exterior angle Traverse
Correction for observed angles (closed traverse)
Example:
IF ∑observed angles for traverse (ABCDA)= 360˚00′ 48″ find misclosure and correct the interior angles. Check Allowable Angle Misclosure
Prepared by:Asst. Prof. Salar K.Hussein
Erbil Polytechnic University
In the preparation for the Geodetic Engineering Licensure Examination, the BSGE students must memorized the fastest possible solution for the TRIANGULATION ADJUSTMENT using casio fx-991 es plus calculator technique in order to save time during the said examination. note: lec 2 and above wala akong nilagay na solution para hindi makupya techniques ko. just add me on fb para ituro ko sa inyo solution. Kasi itong solution ko wala sa google, youtube, calc tech books at hindi rin itinuro sa review center.
In the preparation for the Geodetic Engineering Licensure Examination, the BSGE students must memorized the fastest possible solution for the LEAST SQUARES ADJUSTMENT using casio fx-991 es plus calculator technique in order to save time during the said examination. note: lec 2 and above wala akong nilagay na solution para hindi makupya techniques ko. just add me on fb para ituro ko sa inyo solution. Kasi itong solution ko wala sa google, youtube, calc tech books at hindi rin itinuro sa review center.
In the preparation for the Geodetic Engineering Licensure Examination, the BSGE students must memorized the Laws, Rules and Regulations governing the GEODETIC CONTROL SURVEY in the Philippines, execute the survey, preparation of GEODETIC CONTROL SURVEY survey returns and IVAS of GEODETIC CONTROL SURVEY returns.
Plane and Applied Surveying 2
Traversing Theory Part
Traverse Computations
Definition
Types of Meridian
Applications of traversing
Bearings
Correction for observed angles (closed traverse)
Check angular Misclosure
Adjust angular Misclosure
Calculate adjusted bearings
Compute (E, N) for each traverse line
Coordinates.
-Traversing
Methods of conducting Traverse
1. Theodolite
2. Total Station
2. Compass
3. GPS
Bearings
Bearings
Bearing is the angle which a certain line make with a
certain meridian. Bearing with respect to true meridian is
called true bearings while magnetic bearing is the angle
which a line makes with respect to magnetic meridian.
There are two ways to represent the bearings,
Fore and back bearings
Whole circle bearing (W.C.B) ,(Azimuth)
Reduced Bearing (R.B) or quadrant bearing
6 The bearing of a line measured in the forward direction of survey line is called the ‘Fore Bearing’ (FB) of that line.
The bearing of the line measured in the direction opposite to the direction
of the progress of survey is called the ‘Back Bearing’ (BB) of the line.
BB= FB ± 180°
+ sign is applied when FB is < 180°
- sign is applied when FB is > 180°
1) Whole Circle Bearing (W.C.B) (Azimuth)
Is the bearing always measured from north in clockwise direction to a point.
Whole Circle Bearing (W.C.B) (Azimuth)
2) Reduced Bearing
Reduced bearing or Quadrant bearing is the angle which a line
makes from North or South Pole whichever may be near. The value of angle is from 0° to 90° , and are taken either clock wisely or anti clock wisely.
-Quadrant bearing
The difference between the whole circle bearing and quadrant
bearing are as follows.
-Example The following fore bearings were observed for lines, AB, BC, CD, and DE Determine their back bearings: • 145°, 285°, 65°, 215°
Example The Fore Bearing of the following lines are given Find the
Back Bearing.
(a) FB of AB= 310° 30’
(b) FB of BC= 145° 15’
(c) FB of CD = 210° 30’
(d) FB of DE = 60° 45’
Example:
Convert the following whole circle bearing to quadrant or
reduced bearings :
( i ) 42ᵒ 30’ ( ii ) 126ᵒ 15’
( iii ) 242ᵒ 45’ ( iv ) 328ᵒ10’
Example
Convert the following reduced bearings to whole circle
bearings:
( I ) N 65ᵒ 12’ E ( ii ) S 36ᵒ 48’ E
( iii ) S 38ᵒ 18’ W ( iv ) N 26ᵒ 32’ W
Closed Traverse
• Ends at a known point with known direction Geometrical Constraints
-Adjust the deflection angles
2-Interior angles Traverse
Interior angles are measured clockwise or counterclockwise between two adjacent lines on the inside of a closed polygon figure.
Example
The following traverse have five sides with five internal
angles. Find the angular misclosure and apply the angle
correction
-3-Exterior angle Traverse
Correction for observed angles (closed traverse)
Example:
IF ∑observed angles for traverse (ABCDA)= 360˚00′ 48″ find misclosure and correct the interior angles. Check Allowable Angle Misclosure
Prepared by:Asst. Prof. Salar K.Hussein
Erbil Polytechnic University
In the preparation for the Geodetic Engineering Licensure Examination, the BSGE students must memorized the fastest possible solution for the TRIANGULATION ADJUSTMENT using casio fx-991 es plus calculator technique in order to save time during the said examination. note: lec 2 and above wala akong nilagay na solution para hindi makupya techniques ko. just add me on fb para ituro ko sa inyo solution. Kasi itong solution ko wala sa google, youtube, calc tech books at hindi rin itinuro sa review center.
In the preparation for the Geodetic Engineering Licensure Examination, the BSGE students must memorized the fastest possible solution for the LEAST SQUARES ADJUSTMENT using casio fx-991 es plus calculator technique in order to save time during the said examination. note: lec 2 and above wala akong nilagay na solution para hindi makupya techniques ko. just add me on fb para ituro ko sa inyo solution. Kasi itong solution ko wala sa google, youtube, calc tech books at hindi rin itinuro sa review center.
In the preparation for the Geodetic Engineering Licensure Examination, the BSGE students must memorized the Laws, Rules and Regulations governing the GEODETIC CONTROL SURVEY in the Philippines, execute the survey, preparation of GEODETIC CONTROL SURVEY survey returns and IVAS of GEODETIC CONTROL SURVEY returns.
In the preparation for the Geodetic Engineering Licensure Examination, the BSGE students must memorized the fastest possible solution for the STRENGTH OF FIGURE and finding the best route in order to save time during the said examination. note: lec 2 and above wala akong nilagay na solution para hindi makupya techniques ko. just add me on fb para ituro ko sa inyo solution. Kasi itong solution ko wala sa google, youtube, calc tech books at hindi rin itinuro sa review center.
In the preparation for the Geodetic Engineering Licensure Examination, the BSGE students must memorized the Laws, Rules and Regulations governing the PROJECT CONTROL SURVEY in the Philippines, execute the survey, preparation of PROJECT CONTROL SURVEY survey returns and IVAS of PROJECT CONTROL survey returns.
Definition of Surveying
Objects of Surveying
Uses of Surveying
Primary Divisions of Surveying
Principles of Surveying
List of Classification of Surveying
Definitions : Plan and Map, scales :Plain Scale and Diagonal Scale,
In the preparation for the Geodetic Engineering Licensure Examination, the BSGE students must memorized the fastest possible solution for the LEVELING ADJUSTMENT such as level circuit, level net, etc. using casio fx-991 es plus calculator technique in order to save time during the said examination. note: lec 2 and above wala akong nilagay na solution para hindi makupya techniques ko. just add me on fb para ituro ko sa inyo solution. Kasi itong solution ko wala sa google, youtube, calc tech books at hindi rin itinuro sa review center.
In the preparation for the Geodetic Engineering Licensure Examination, the BSGE students must memorized the fastest possible solution for the STRENGTH OF FIGURE and finding the best route in order to save time during the said examination. note: lec 2 and above wala akong nilagay na solution para hindi makupya techniques ko. just add me on fb para ituro ko sa inyo solution. Kasi itong solution ko wala sa google, youtube, calc tech books at hindi rin itinuro sa review center.
In the preparation for the Geodetic Engineering Licensure Examination, the BSGE students must memorized the Laws, Rules and Regulations governing the PROJECT CONTROL SURVEY in the Philippines, execute the survey, preparation of PROJECT CONTROL SURVEY survey returns and IVAS of PROJECT CONTROL survey returns.
Definition of Surveying
Objects of Surveying
Uses of Surveying
Primary Divisions of Surveying
Principles of Surveying
List of Classification of Surveying
Definitions : Plan and Map, scales :Plain Scale and Diagonal Scale,
In the preparation for the Geodetic Engineering Licensure Examination, the BSGE students must memorized the fastest possible solution for the LEVELING ADJUSTMENT such as level circuit, level net, etc. using casio fx-991 es plus calculator technique in order to save time during the said examination. note: lec 2 and above wala akong nilagay na solution para hindi makupya techniques ko. just add me on fb para ituro ko sa inyo solution. Kasi itong solution ko wala sa google, youtube, calc tech books at hindi rin itinuro sa review center.
Traversing Notes |surveying II | Sudip khadka Sudip khadka
Traverse is a method in the field of surveying to establish control networks. It is also used in geodesy. Traverse networks involve placing survey stations along a line or path of travel, and then using the previously surveyed points as a base for observing the next point
A Study of Non-Gaussian Error Volumes and Nonlinear Uncertainty Propagation f...Justin Spurbeck
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Solution.manual elementary.surveying-13editionAwais Ahmad
The Instructor’s Manual has been prepared as a convenience for instructors who adopt, for use in
their classes, the textbook ELEMENTARY SURVEYING (AN INTRODUCTION TO GEOMATICS), 13th
Edition, by Charles D. Ghilani and Paul R. Wolf. As a benefit to the instructor, each problem
consists of the book question and a derived solution. For most questions a reference to the
equations, section, and/or paragraph containing the answer has been included together with a
copy of the relevant material from the text. This is provided so that useful feedback and
references to the appropriate parts of the book can be easily provided to the students. Every
attempt has been made to provide correct responses to the questions, but most assuredly, a few
mistakes may have occurred. Please accept our apologies for them and correct them in your
printouts. Since there will be no reprints of the Instructors Manual, corrections will not be made
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Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
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Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
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Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
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1. Traverse Computations
Dr. Mahmood Arshad
Assistant Professor,
Dept. of Mining Engineering,
Faculty of Earth Sciences and
Engineering,
University of Engineering & Technology,
Lahore.
smarshad@uet.edu.pk
Min-E-240 Surveying
Lecture 11 – Week 6
2. INTRODUCTION
Adjusting angles or directions to fixed geometric conditions,
Determining preliminary azimuths (or bearings) of the
traverse lines,
Calculating departures and latitudes and adjusting them for
misclosure,
Computing rectangular coordinates of the traverse stations,
and
Calculating the lengths and azimuths (or bearings) of the
traverse lines after adjustment.
3. BALANCING ANGLES
Method 1:
Applying an average correction to each angle where
observing conditions were approximately the same at all
stations. The correction for each angle is found by dividing the
total angular misclosure by the number of angles.
Method 2:
Making larger corrections to angles where poor observing
conditions were present.
Example 1:
For the traverse of Figure (Next Slide), the observed interior
angles are given in Table (Next Slide). Compute the adjusted
angles using methods 1 and 2.
6. COMPUTATION OF PRELIMINARY AZIMUTHS OR BEARINGS
Compute preliminary azimuths for the traverse courses of
Figure 10.1, based on a fixed azimuth of 234°17’18” for line
AW, a measured angle to the right of 151°52’24” for WAE,
and the angle adjustment by method 1
13. ALTERNATIVE METHODS FOR MAKING TRAVERSE COMPUTATIONS
Balancing Angles by Adjusting Azimuths or Bearings
Balancing Departures and Latitudes by Adjusting
Coordinates
14. Example 10.6
Table 10.5 lists observed angles to the right for the traverse
of Figure 9.1(b). The azimuths of lines A-AzMk1 and E-
AzMk2 have known values of 139°05’45” and 86°20’47”,
respectively. Compute unadjusted azimuths and balance
them to obtain geometric closure.
Solution on next slide.
19. COMPUTING FINAL ADJUSTED TRAVERSE LENGTHS AND DIRECTIONS
Calculate the lengths and directions with the adjusted
coordinates in the last example.
Can we calculate the internal angles?