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Q. What do you know about Shallow Piers?
In case of some of the existing bridges, piers may be shallow and grip may be found to be inadequate. Protection round piers is then required to be given for their safety. Minimum grip essential for safety is worked out as 1/4 the total height of existing pier from bottom to design H.F.L. At this level bed scour is required to be arrested by providing stone apron with adequate quantity to fully cover scoured face. Launching slope in sandy bedded rivers is assumed as 2 horizontal to 1 vertical. Size and thickness are assumed same as in case of apron of the guide bunds. If one man stone is found to be of insufficient weight to be stable, concrete blocks or stone crates are required to be used. Placing stone round piers at unnecessary higher level is inadvisable as it is liable to be displaced and washed down more easily. At the same time it is not a safe and feasible proposition to wait till river bed scours to just the safe level of 1/ 4 height to ensure minimum grip length. Dumping of stone has, therefore, to be resorted to a little earlier before the lowest safe level is reached.
The loading period for a building extended from Feb., 1957 to Feb., 1959. In Feb., 1962, the average measured settlement was found to be 117 mm. The ultimate settlement was expecte
A steam turbine with base 6 m × 3.6 m weighs 10,000 kN. It is to be placed on a clay soil with c = 135 kN/m 2 . Find the size of the foundation needed if the factor of safety is to
Calculate the Total Area (acre) for Lot A 30-ft wide parabolic shaped stream divides the property as shown. The total area (acre) for Lot 6 is most nearly: Solution:
How to conclude size of elastomeric bearings ?
maintenance of water bound macadum road
The objective of this module is:- For the student to identify the track design issues and there relationships that will need to be considered in the development of a feasibil
Q. Computation of Settlement? The settlement in any soil mass under an applied stress is given by s = s i + s c + s s where, S = total settlement, S i = imm
Determine the normal and shear stress elements: The state of stress at a point is given through the stress components σ x = 70 MPa, σ y = 10 MPa, and τ xy = - 40 MPa. Using
WHAT ARE THE DIFFERENT TYPES OF BRIDGES
Construction: Construction is usually done by one of the three methods: (a) Manual method, providing steel or wooden forms, pouring concrete and compacting by means of nee
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