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

Consolidation settlement, The integration of strain over the depth is settl...

The integration of strain over the depth is settlement. The method of producing the settlement is non-recoverable when the intensity of stress is removed. Hence, a permanent reduc

Third law of thermodynamics, Is there any application by using the third la...

Is there any application by using the third law of thermodynamics. A Actual application without explained the calculation

GRILLAGE FOUNDATION, WHY ONLY I-SECTIONS ARE USED IN CONSTRUCTING GRILLAGE ...

WHY ONLY I-SECTIONS ARE USED IN CONSTRUCTING GRILLAGE FOUNDATION

Influence of pressure in the soil, Q. Influence of Pressure in the Soil? ...

Q. Influence of Pressure in the Soil? Figure shows the stress state beneath a footing. The steady state situation prior to footing as well as qualitative variation of pressure

Increasing concrete cover beyond contractual, Question If contractor sugges...

Question If contractor suggests increasing concrete cover beyond contractual such as 40mm to 70mm shall engineers accept suggestion? Answer In contractual part, based on requir

Energy equation, find the pressure head at 2-2 if the rate of flow in pipe ...

find the pressure head at 2-2 if the rate of flow in pipe is 0.36m^3/s

Settlement due to lowering of water table, Q. Settlement due to Lowering of...

Q. Settlement due to Lowering of Water Table? Water table is encountered with, whenever any excavations are made for foundations. The water is to be out for working conditions.

Define chlorides - underwater inspection of bridge, Define Chlorides - unde...

Define Chlorides - underwater inspection of bridge? Chlorides do not attack plain concrete when present in the concentrations that normally exist in seawater, but may greatly a

Steel truss, size of steel truss for span of 5m

size of steel truss for span of 5m

Show the purpose of granular bedding for concrete pipes, Q. Show the Purpos...

Q. Show the Purpose of granular bedding for concrete pipes? When designing the bedding for concrete drainage pipes, granular materials are generally specified in place of soils

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