Students will apply the knowledge gained from theoretical surveying to practice. Fieldworks covered in this manual include chain surveying, plane table surveying, theodolite traverse surveying, leveling, tacheometry, curve setting, house setting, just to name a few topics. 73941338 surveying-lab-manual-1 1. LABORATORY MANUAL CIV220 (Surveying Lab) 2. Department of Civil Engineering SURVEYING List of Practical (Minimum 15 practical should be performed out of the following) 1) Measurement of distance by ranging and chaining.
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Theodolite ET-Series
Absolute Encoding
Dual Sides
Large Display
Dual Sides
Large Display
Theodolite Apparatus: Transit theodolite, ranging rod, peg etc Procedure:-Set up the theodolite at O and level it accurately set vernier A to 0°0΄0˝.Loose the lower plate and take back sight on A. Loose upper plate rotate telescope clockwise and bisect B exactly read both vernier.
Specifications
ET-05/ET-05L | ||||||||
Angle Measurement | ||||||||
Measuring method | Absolute code | |||||||
Raster diameter | 79mm | |||||||
Min display unit | 1″/ 5″Selectable | 10' | ||||||
Accuracy | 2″ | 5″ | ||||||
Horizontal angle | Dual | Dual | ||||||
Vertical angle | Dual | Dual | ||||||
Telescope | ||||||||
Image | Erect | |||||||
Tube length | ||||||||
Effective aperture | 45mm (EDM:50mm) | |||||||
Magnification | 30× | |||||||
Field of view | 1°30′ | |||||||
Spiritfarer® download free. Minimum Focusing Distance | 1.4m | |||||||
Resolving Power | 3″ | |||||||
Stadia ratio | ||||||||
Stadia constant | 0 | |||||||
Auto Compensator | ||||||||
System | Liquid-electric detection | Plate Vial | ||||||
Work range | ±3′ | |||||||
Resolving power | 1″ | |||||||
Vial | ||||||||
Plate vial | 30″/2mm | |||||||
Circular vial | 10′/2mm | |||||||
Optical Plummet | ||||||||
Image | Erect | |||||||
Magnification | 3× | |||||||
Focusing range | 0.5m~∞ | |||||||
Field of view | 5° | |||||||
Display Mxf player for mac free download. | ||||||||
Type | LCD display 2sides | |||||||
Laser Pointer | ||||||||
Laser Range | be seen up to 100 meters away | |||||||
On-board Battery | ||||||||
Power supply | Rechargeable Ni-H battery/AA Battery If are you choosing to download Need for Speed 2015 for Mac OS X Deluxe Edition then you must check the game requirements. So you will need at least 4 GB RAM and i3 processor with 2.1 GHz sped minimum. Also you will need 18 GB free disk space to download the game on your mac. OS X version required is 10.9 Mavericks and up. http://www.posttheleter1973.simpsite.nl/nfs-2015-for-mac. | |||||||
Voltage | DC 6V | |||||||
Continuous operation time | 10hours | |||||||
Size & weight Dgi plotter driver for mac. | ||||||||
Dimension | L145*H318*W179 | |||||||
Weight | 5.2㎏ |
To measure something from closely we might need a theodolite. This instrument really needed for building constructional work. In the field of civil engineering, workers need this to measure each and all works can be done in proper ways. So, now you have questions on your mind –what is this and why the workers need to use in building constructional works?
![Lab Lab](/uploads/1/1/7/8/117869988/551261289.jpg)
Theodolite is a measurement instrument utilized in surveying to determine horizontal and vertical angles with the tiny low telescope that may move within the horizontal and vertical planes.
It is an electronic machine which looks sort of a tiny telescope. It is extensively used for the measurement of vertical and horizontal angles for scaling functions and within the housing industry. The accuracy with that these angles may be measured ranges from 5mins to 0.1 secs. It is utilized in triangulation networks.
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Theodolites are employed everyplace from construction sites to main road points. It measures angles using age-old principles of pure mathematics and assists surveyors in establishing precise locations.
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Theodolite uses for many purposes, but mainly it is used for measuring angles, scaling points of constructional works. For example, to determine highway points, huge buildings’ escalating edges theodolites are used. Depending on the job nature and the accuracy required, theodolite produces more curved of readings, using paradoxical faces and swings or different positions for perfect measuring survey.
Followings are the major uses of theodolite:
- Measuring horizontal and vertical angles
- Locating points on a line
- Finding the difference in the level
- Prolonging survey lines
- Ranging curves
- Setting out grades
The theodolite helps us a good within the engineering field. This instrument plays a major role in measurement horizontal angles, vertical angles, bearing, etc. To use theodolite, it is necessary to know about theodolite parts, types of theodolite and for what it is used wisely in the field.
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