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questioncomparing speed of formwork exceeding 300mm wide horizontal and at any inclination up to and including 5o to horizontal with speed of
questionwhat are the main drawbacks of curing by ponding and polythene sheets answerpurpose of curing is to decrease the speed of heat loss of
questionwill it advantageous to use concrete of very high power for example exceeding 60mpa what are potential problems connected with high strength
questionwhat are the key problems if use pumping for concreting worksanswerin pumping operation force exerted by pumps have to overcome friction
questionin a concrete compression test usually 150mmx150mmx150mm concrete cube examples are used for testing why isnt 100mmx100mmx100mm concrete cube
questiondesign of concrete structures normally most aggregate sizes are adopted with scopes from 10mm to 20mm does an increase of most aggregate size
questionwhat is function of shear keys in designing of retaining walls answerin formative external constancy of retaining walls failure modes
questionif on-site slump test fails is it necessary that engineers allow a contractor to continue concreting works answerthis is an extremely
questionexplain components of a typical expansion jointanswerdowel bar-this is major component of joint it serves to guide direction of movement of
questionwhat are the functions components of a typical expansion jointanswerin a characteristic expansion joint it normally contains following
questionwhat is the sucker deck principle for changeable depth bridge decks answerfor a variable depth bridge deck depth of continuous multi-
questionhow does an engineer determine digit of cells for concrete box girder bridgesanswerif depth of a box girder bridge exceeds 16 or 15 of bridge
questionit should be necessary that raking piles of a bridge abutment be placed under an embankmentanswerfor a bridge abutment to be supported on
questionwhy poly tetra fluoro ethylene ptfe is usually used in sliding bearings answerthe choice of sliding surface of bearings is of very important
i a horizontal 500 lb force acts at a point d of crankshaft ab which is held in static equilibrium by a twisting couple and by reactions
questionwhat is the sucker deck principle for changeable depth bridge decksanswerfor a variable depth bridge deck depth of continuous multi-
questionit should be necessary that raking piles of a bridge abutment be placed under an embankment answerfor a bridge abutment to be supported on
questionwhy poly tetra fluoro ethylene ptfe is usually used in sliding bearingsanswerthe choice of sliding surface of bearings is of very important
questionunder which situation ought to engineers use pot bearings instead of elastomeric bearingsanswerin an event of high vertical loads shared with
questionwhat is consideration in selecting an orientation of wing walls in designing of bridge abutmentsanswerthere are three familiar arrangements
questionin the designing of a simply supported skew bridge which direction of reinforcement must be providedanswerin conventional design of steel
question-why is length ratio of end approach to its neighbouring inner s typically about 075 answer-from aesthetic point of
question-what are three key types of reinforcement used in pre stressing answer-ispalling reinforcement -spalling stresses are established behind