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Q. What is Switch and Expansion Joint?
Switch Expansion, Joint (SEJ) is an expansion joint installed at each end of LWR/CWR to permit expansion/contraction of the adjoining breathing lengths due to temperature variations.
The exact location of SEJ shall be fixed taking into account the location of various obligatory paints such as level crossings, girder bridges, points and crossings gradients, curves and insulated joints. SEJ with straight tongue and stock shall not be located on curves sharper than 0.5 degree (3500 m radius) as far as possible. SEJ shall not be located on transition of curves.
Widening on Curves: Pavements have to be widened on curves because of the fact that : (a) the vehicle has a wheel base and overhang on the front and rear, and the vehicle
Use of optical square in chain surveying?
can you please derive the formula for eonomic span
Traffic Surveys: The following traffic surveys are needed for preparing a good road project: Classified Volume Counts This survey is normally carried out for 7 days,
Uses of Stones Stones are used in the following civil engineering constructions are described: (i) Stone masonry which is used for the construction of foundations, , columns
Define Dynamic Force Transfer Test of Shock Transmission Unit? This test mainly prove the lock up capability of the device. The STU shall be loaded in tension from zero to the
Question What is role of rebate in typical construction joint ? Answer Construction joints are formed on sites to facilitate construction procedure. Though, if improperly constr
given A,B,C,and D are four plotted points at 2 centimeter apart and their ground reduced levels are 57.5 meter 63.2 meter 68.2 meter and 59.2 respectively.it is required to draw co
Loss of prestress due to relaxation of steel Relaxation of steel represents the time dependent reduction of stresses in steel even when the strain remains constant. In a way i
State the short-term deflections If short-term deflections are considered, the instantaneous deflection due to design loads may be calculated using elastic analysis based on t
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