A cross staff, also known as a Jacob’s staff or a surveyor’s staff, is a measuring instrument that was historically used in land surveying and navigation. The instrument consists of a long, straight staff with a transverse bar, or crosspiece, that can be moved up and down the staff. The cross staff is used to … Read more
The least count of theodolite is 20 seconds. For different types, the vernier theodolite is less precise with least count of 20 seconds while optical theodolite is more precise with least count of 1 second. In comparison to total station it is less precise as the least count for total station is 1 second. The … Read more
If you’re into surveying you might be interested to know that what purpose is Distomat used for? Gone are the days for manual distance measuring devices and techniques like Speedometer, Passometer, and Pacing. Digital instruments like distomat offers great value and convenience in terms of measuring distances in various engineering and construction works. It’s a … Read more
When it comes to concrete with a large ratio of aggregate to cement; one of that type is dry lean concrete or (DLC). DLC contains pretty less amount of cement paste when compared with conventional concrete. The word “lean” in the Dry Lean Concrete shows that it has more aggregates rather than cement or binding … Read more
Our concrete footing calculator is a tool that helps users calculate the quantity of concrete required for various types of footings. Footings are the structural elements that transfer the load of a building or structure to the underlying soil. Different types of footings are used in different situations, depending on the nature of the soil, … Read more