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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.
Types of Pavements: On the basis of structural performance of pavements, there are basically two types of pavements: (a) Flexible, and (b) Rigid. A flexible pavement
uses of Earth moving equipment
Loss of prestress due to creep of concrete Creep of concrete means time dependent deformation of concrete. Its effect depends upon the interval of time for which the member is
with a neat well labelled sketch, explain reciprocal ranging.
A soil sample with a grain specific gravity of 2.67 was filled in a 1000 ml container in the loosest possible state and the dry weight of the sample was found to be 14.75 N. It was
Example: The following fore bearings were observed respectively for lines, AB, BC, CD, DE, EF and FG. Find out their back bearings: (i) 148° (ii
Question What is importance of critical steel ratio in scheming thermal reinforcement ? Answer Execution of critical steel ratio resources that in construction joints,
Q. What are the Parasitic forces for prestressing? In statically determinate structures, prestressing forces will cause the concrete structures to end upwards. Therefore precam
uses of timber in civil engineering field and its physical state and chemical formula or symbol?
Test on specially moulded test piece The test piece shall be moulded by the manufacturer with identical compound and under identical vulcanizing conditions as used in manufact
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