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q holes in steel plates connecting to h-piles there are two types of holes present in the steel plate associated to h-piles in the pile cap the first
q define hammer efficiency and coefficient of restitutionhammer efficiency refers to ratio of kinetic energy of hammer to the rated energy or
functions of different reinforcement in a typical pile cap loads from columns transferring to pile cap persuade tensile forces at the bottom of cap
q explain forty-five degree spread rule for driven piles for driven piles the length of piles driven into the ground is generally based on dynamic
q fixed vs pinned connection between piles and pile capsthe type of connection amid piles and pile caps affects the load carrying capacity of pile
q false set in pile drivingfor pile driving in certain soils such as dense silt and weathered rock occurrence of false set phenomenon isnt uncommon
q free- fall concrete placement in bored pilesbased on the research by sts consultants ltd it was found that concrete placed by free falling below
effect of pile installation method to load carrying capacity of piles the construction of piles by driving method causes an increase in density of
design approach for the spacing of min-piles for close spacing of min-piles it would provide substantial cost savings with reduction of pile cap size
compaction to freshly placed concrete piles in general practice reliance is placed on the self-compaction of particularly designed concrete mixes
q what do you mean by base fixitybase fixity when structures such as portal frames are associated to the base foundation engineers have to determine
addition of water to bored piles in water bearing ground some water head about 1 m above the existing ground water table is sustained to stabilize
q application of bitumen to driven pilesin a certain area of h-piles subjected to ground water table fluctuation painting is occasionally applied on
q a pipe or groups of bars be adopted as load carrying element of min-pilesthe design of mini-piles someway differs from other traditional pile types
vibrocoring in marine ground investigation if only shallow marine ground geotechnical information is essential for design purpose vibrocoring is
the morison equation vs diffraction analysis in determining wave force on pilesthe choice between morisons equation and diffraction analysis in
soil plug in marine piling system of steel tubular pile with reinforced concrete infill at the time of initial driving process open-ended steel piles
q shoes of prefabricated drainsshoes are generally installed in prefabricated drains for the below i it avoids the entry of soils in the mandrel
q show the silt curtain touching seabedsilt curtains are impermeable vertical barriers extending from seawater surface to their designed depths
reasons of common occurrence of inadequate pile founding level in piles of piers the most severe load on piers usually is the horizontal load owing
in reclamation involving large volumes of fill and tight programme shall engineers use marine fill or mud extracted from land borrow area as filling
immersed tube method for underwater crossing includes the following basic construction stepsi prefabricating long tunnel units concrete orsteel
q diffrence between hudsons and van der meer formulahudsons formula is usually adopted in preliminary design to attain rough initial estimate of rock
function of reinforced concrete infill in marine piling system of steel tubular pile with reinforced concrete infill reinforced concrete is designed
q factors determining the stability of a single armour unit there are mostly three major factors that govern the stability of an armour unit viz