Considerations in the Undisturbed Sampling of Sands
The effect of sampling disturbance on the cyclic strength characteristics of sands is investigated by sampling from deposits of known dynamic characteristics prepared in the laboratory....

Thermal Front Formation from Buoyant Surface Jets
An explanation is given for the formation of thermal fronts for outfall Froude numbers in the range of F≤ 3.3. It is shown that the homogeneous round jet has a characteristic natural frequency...

Undisturbed Sampling of Saturated Sands by Freezing
From considerations of the basic mechanisms of soil behavior during freezing, it is suggested that undisturbed samples can only be obtained by undirectional freezing with no impedance...

Beam-To-Column Web Connection Details
For a beam-to-column web connection where the beam is attached to the column perpendicular to the plane of the column web, the theoretical maximum strength of this beam and column assemblage...

Optimum Membrane Trough
A fluid is contained in an inextensible membrane trough. Due to hydrostatics the shape of the trough is governed by a set of nonlinear differential equations which is solved by perturbations...

Utilization of Steel Roads as AE Waveguides
The matter of soil covering a steel rod, and of its influence on the wave carrying capability of the rod itself, is addressed. It is found the attenuation values of a soil covered steel...

Calculation of Trapped Reflective Wave
An increase in reflected wave energy may result where structures are built along a section of coastline with no beach fronting the structure. In certain instances the structures may combine...

Nuclear Waste Management
This Task Committee report to the members of ASCE reviews the current technology and many of the key technical issues concerned with the long-term storage and disposal of high-level and...

Plane Curved Beam Equations
It is demonstrated that plane curved beam (rectangular cross-section) equilibrium equations can be obtained by reducing the established equations for thin shells. The necessary equations...

Finite Layer Analysis of Nonhomogeneous Soils
A finite layer approach capable of analyzing both layered and continuously varying elastic soil profiles is presented. The technique is shown to be accurate and efficient. It is then used...

Pumped Bentonitic Mixture Used to Seal Piezometers
Methods used to install the bentonite seal and sand-cement grout seal for multi-level piezometers are described. After problems developed in trying to use bentonite pellets to install...

Shock Pressure of Breaking Waves on Vertical Walls
Breaking wave impact on vertical walls is studied experimentally with beaches having four different slopes. It is found that a breaking wave having its front face parallel to the wall...

Leachate Collection Design for Containment Landfills
A mathematical model is proposed for use in designing the leachate collection system for containment landfills, specifically with the respect to the spacings of drains, and to ground-water...

Numerical Modeling Study of Lake Pontchartrain
A Hansen-type hydronamical-numerical model is shown to adequately simulate actual wind circulation, water levels, and particulate matter dispersion in Lake Pontchartrain. The model is...

Scattering of Elastic Waves by an Alluvial Valley
Plane strain model for scattering of steady state plane waves by an elastic alluvial valley of arbitrary shape is presented. The valley is presumed to be perfectly bonded to a linearly...

Bed Load Fluctuation: Applications
Based on the distribution of transport rate, the fluctuation of bed load and its application to hydrological measurement have been studied. The variance and coefficient of variation of...

Torsion of Hollow Circular Cylinders with Creep
An exact analysis is presented for the load-deformational behavior of twisting of hollow circular cylinders made of materials that creep. The hyperbolic sine law is used. Curves which...

Pore Pressure Rise During Cyclic Loading of Sands
A new model for the quantitative determination of the pore pressure increase during undrained cyclic loading of saturated loose sands is proposed. The model depends on four parameters...

Hypolimnion Oxygenation Studies in Clark Hill Lake
Discharges from stratified hydroelectric generating impoundments are frequently drawn from the hypolimnin due to the low elevatin of the penstocks. The hypolimnion contains the colder...

Dynamic Estuary Model Performance
Applications of the Dynamic Estuary model (DEM) to both the Delaware and Potomac Estuaries by the Environmental Protection Agency during the 1970s are summarized and evaluated. Methods...

 

 

 

 

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