Explain the statements about the differential levelling, Civil Engineering

Assignment Help:

 

Explain the Statements about the Differential Levelling

I.  Bench mark (BM) - relatively permanent point of known elevation as indicated on the Contract drawings 

II. Back sight (BS) - a sight taken to the level rod held at a point of known elevation (either BM or TP)

III. Height of Instrument (HI) - the elevation of the line of sight of the telescope

IV. Foresight (FS) - a sight taken on any point to determine its elevation

 


Related Discussions:- Explain the statements about the differential levelling

Write a short note on economic span of a bridge, Q. Write a short note on E...

Q. Write a short note on Economic Span of a Bridge? The span for which the total cost of bridge will be minimum is known as the economic span. The ratio of Cost of super str

Bond breaker for joint sealant, Joint sealant must be designed and construc...

Joint sealant must be designed and constructed to allow free extension and compression during the opening and closure of joints. In case joint sealants are attached to joint filler

Edge piles take up more loads than central piles, Edge piles take up more l...

Edge piles take up more loads than central piles in rigid cap Because of the effect of interaction of individual piles, central piles tend to settle more than the edge piles w

Determine the reliable moment capacity, Figure 2 details a typical T-beam u...

Figure 2 details a typical T-beam unit in a beam and slab floor with a span of L = 10 m. Determine the reliable moment capacity M ′ for the T-section shown. Take f c ′ = 32

Define factor that is not concerned with schedule control, Schedule control...

Schedule control is concerned with all of the following except: a. Influencing the factors which create schedule changes b. Determining that the schedule has changed c.

Proctor test for GSB material, what is the procedure for gsb proctor test f...

what is the procedure for gsb proctor test for matrial sampling for lab density

Jetties, JETTIES: A jetty is a structure projecting into the sea from ...

JETTIES: A jetty is a structure projecting into the sea from the shore line for receiving ships. They are made of RCC trestles with a deck to accommodate railway track and roa

Extreme fiber stresses at the mid span section of the beam, Extreme fiber s...

Extreme fiber stresses at the mid span section of  the beam A pre-stressed concrete beam, of  cross section 300 mm x 500 mm and 8 m span, is pre-stressed with a parabolic tend

Explain plate jig, Explain Plate jig 1) The major parts of this jig is ...

Explain Plate jig 1) The major parts of this jig is plate from which it takes its name other necessary parts and drill bush and locating pins. 2) Plate jigs are general for

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd