Basics
Bearings & Azimuths in Surveying
Angles and lengths are the basic measurements in surveying. Angles in surveying are classified as either horizontal or…
July 21, 2021 · Prabhu TLBasics
Basics
Meridians
Over the past several weeks, we have been discussing the TCM view of the human body, which is the…
July 21, 2021 · Prabhu TLBasics
Measuring Angles
Angles can be measured with a magnetic compass, of course. Unfortunately, the Earth’s magnetic field does not yield…
July 21, 2021 · Prabhu TLBasics
Obstacles (including numerical)
Obstacles and challenges of introducing problem solving in classroom “A Transantiago bus carries 34 passengers. At a bus…
July 21, 2021 · Prabhu TLBasics
Instruments Required
Introduction Surveying is the process and technique of determining distances and angles between points, used on construction sites for the purposes of levelling and setting…
July 21, 2021 · Prabhu TLBasics
Chaining in surveying
Definition Chain survey is the simplest method of surveying. In this survey only measurements are taken in the field,…
July 21, 2021 · Prabhu TLBasics
Stages of Survey Operations
1. Field work 2. Office work 3. Care and adjustment of instruments Field Work The field work consists of the measurement…
July 21, 2021 · Prabhu TLBasics
Accuracy and Precision
Measurement is essential for us to understand the external world and through millions of years of life, we…
July 21, 2021 · Prabhu TLBasics
Corrections for Wrong Scales
Correction of errors in scale values for magnetic elements for Helsinki
July 21, 2021 · Prabhu TLBasics
Surveying Errors
Errors in surveying may arise from three main sources: 1. Instrumental: Surveying error may arise due to imperfection or…
July 21, 2021 · Prabhu TL