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

How to calculate the total loss of prestress, How to calculate the total lo...

How to calculate the total loss of prestress As a general guide, it may be taken that total loss of prestress may be in the range of 20 to 25 percent of the initial prestress,

Calculate benefit cost ratio for government project, Calculate the Benefit-...

Calculate the Benefit-Cost Ratio for Municipal Government Project With interest at 10%, the benefit-cost ratio for this municipal government project is most nearly:   Initia

Loss of prestress due to elastic shortening, Loss of prestress due to elast...

Loss of prestress due to elastic shortening At the transfer of prestress, tensile stresses of tendons are transferred to concretc in the form of compressive stresses. Due to t

Calculate the amount of import or export, Calculate the Amount of Import or...

Calculate the Amount of Import or Export For the project site shown in Figure, the amount of import or export to bring the entire site to elevation 90-ft is most nearly:

State the term directly below the edge of the footing, The load from a cont...

The load from a continuous footing of 1.8 metres width, which may be considered to be a strip load of considerable length, is 180 kN/m 2 . Verify the maximum principal stress at 1.

Dense bituminous macadam, Dense Bituminous Macadam: A Dense Bituminou...

Dense Bituminous Macadam: A Dense Bituminous Macadam (DBM) is a close-graded premix material having a voids content of 5-10 per cent. Two gradings are normally adopted :

Explain hardness - water softening, Explain Hardness - Water Softening ...

Explain Hardness - Water Softening 1) Hardness is used to characterize a water that does not lather well, causes a scum in the bath tub and leaves hard, white, crusty deposits

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