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  • Users: MikeHydroPhys
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  1. MikeHydroPhys

    Spacing isolation pads under a floating floor

    why a floating floor is not a rubberized compound block system an option just guessing as there is little detail but I appreciate some designs cannot take these assuming you need vibration dampened forms MikeHydroPhys mdshydroplane
  2. MikeHydroPhys

    Lateral Rotational Failure

    I expect it is a true rotational failure and therefore complete and based on a simple complex of shear plane in a basal system, rather than a lot of interactive system failures, or a false rotation which may be actually a cause from anoterh source sorry running out of web load time but that is...
  3. MikeHydroPhys

    Liquid Slug Mixing in Pipeline

    you could treat the slugs as shearing solids, plastic and the rotation as a integral mass shearing through the fluid of high viscous state and the fluid as a low viscose material and then resolve the interface as a thixotropic from plastic material, then add information re: displacement. I too...
  4. MikeHydroPhys

    Piping seismic analysis, structures influence

    Pipeline anchored above ground will flex according to the suspension characteristics (bridge design) and the fluctuations set up in the fluid due to the quake shock, plus compression along the line and shear from the distortion, this would happen tosome extent to pipe in the ground, plus the...
  5. MikeHydroPhys

    horizontal thrust - rigid frame to concrete footing

    as noted cable stretches mostly by the twine turning if at all able or the fibres pulling inward and everything else corrodes can you not envisage a pile build with a spread base so the piles are held by base expansion core and concrete pumped i.e. a wider base than the bore insert and as far...
  6. MikeHydroPhys

    Bridge strike to pretensioned beams

    Shear is expected to be extended back from visible to deep in the system and will weaken the existing reinforcing bind to the concrete even if repair or partial replacement could be envisaged you might save the trouble and time by looking for a suitable solution of structural replacement rather...
  7. MikeHydroPhys

    Performance of Cast Iron in Fire

    Yes it cracks lack of fibrous strength as in steel which melts, burns, distorts crystal expansion may stay for some time if the burn is off the pillar but high heat is going to cause an expansion force at some junction at the very least MikeHydroPhys mdshydroplane
  8. MikeHydroPhys

    Seismic Loads on Water Tank

    6" fine sand on 3 feet of sandy loam and clay gravel Eight feet high water pond would require some foundation, not a sand pit, before it is anchored, even without the earth tremors MikeHydroPhys mdshydroplane
  9. MikeHydroPhys

    Seismic Expansion Joints

    Lap jointed ? MikeHydroPhys mdshydroplane
  10. MikeHydroPhys

    Wheel Load on Slab-on-Grade

    Lateral shear stress imposed from the subsidence determines your mesh strength parameters according to their anchored lock by the granular mass utilized, which is related to the punch shear force as it would cause a drawdown, but of course relieve the problem as you crane sinks into the mire at...
  11. MikeHydroPhys

    Bridge Construction

    60 feet is a river a creek is limited unless at an estuary so if this is an estuary you need a bridge engineer and a stack of piled foundations for soft soils affected by river water inflow and subisdence lateral stress on foundations is high and the sides may displace and the surface rise if a...
  12. MikeHydroPhys

    Bearing Plate

    You do not know there will be no cantilever until it occurs, which is why most designs allow extra material strength, it is also a little difficult to test all plate materials to standard so assumptions have to be made that some might contain slight shear and crystal problems. MikeHydroPhys...
  13. MikeHydroPhys

    Disproportionate collapse

    Much will depend on you foundation as to dead load from steel, or concrete mass emplacements and then concrete has standards to meet for shear and can be subject to solution as well as fire damage so I would have thought with 5 stories you had best go to the dead load first and ensure the...
  14. MikeHydroPhys

    Hydraulic Book

    Part Deux This is a mix of hydrology hydraulics and the best pumping books can be tracked from the reference lists but each hydraulics has some on pump designs One of the better sources of information might be Somerset River Authority and then NRA,EA Bridgwater as they have a range of pump flow...
  15. MikeHydroPhys

    Surge analysis software for hydrocarbons

    There is a man in the University of Calgary, Canada area who runs a consultancy on mechanical engineering for oil pipelines and teaches some of the terrifying mathematics hydraulics produces who is Cambridge grad and we met in Oct 2003, but I do not know his name, his wife is an archaeologist if...
  16. MikeHydroPhys

    Is there any hydrology group?

    I recommend you use hydrology and hydraulics textbooks with soils and geology thus you end up in Engineering Geology HydroGeology GeoHydrology Principles of Hydrology Soil Erosion Soil and Water Conservation Engineering Soil Mechanics Flood Hydrology Water Resources Architectural Structures...
  17. MikeHydroPhys

    Hydraulic Book

    Chadwicke and Morfett Hydraulics Civil Engineers have a good section on pumps as do the standard civil engineering structures textbooks mdshydroplane mdshydroplane
  18. MikeHydroPhys

    Bulk Viscosity Prediction of Slurry

    PS: the adherence of slurry and its dry, dewatered state will of course reduce the cross section and sections may drop into the flow as blocks forming a very definitely non-Newtonian state !! at a later date. This is a mass transport problem with chemical and soil mechanics factors and a look...
  19. MikeHydroPhys

    Bulk Viscosity Prediction of Slurry

    You may also have to consider boundary problems where the highly viscous, yet particulate state can cause a layer to adhere in the low velocity, low energy zone along the pipe, or channel (G.Tchobanoglous: Wastewater Engineering Transport Metcalfe and Eddy) mdshydroplane mdshydroplane
  20. MikeHydroPhys

    Does water pressure ôgo to the endö of a pipe?

    The only manner in which force exerted on a conduit may be greater is that caused by a contraction in the flow cross section, or a deflection imposed by an intrusion, or on a bend, that is well covered in your statement and by your answers, this can cause localized stress but the possibility of...

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