# Construction Education: Past, Present, and Future

*Higher education for construction managers demands increased attention by the colleges and universities, and the construction industry. The present-day programs have developed only recently...*

Stochastic SH Waves along a Frictional Interface

*The reflection, refraction, and adsorption of a planar SH wave with stochastic time dependence at a frictionally bonded interface between elastic solids is considered. The incident stress...*

Nonlinear Transient Phenomena in Elastic-Plastic Solids

*A finite element model is proposed to analyze nonlinear transient phenomena in elastic-plastic solids due to both material and geometrical nonlinearities. Time integration of the semi...*

Forest Service Timber Bridge Specifications

*Approximately one half of the 12,000 Forest Service road and trail bridges are constructed of wood or have wood as a major component. The number constructed each year fluctuates with the...*

Measured Performance of a Laboratory Culvert

*This study shows that the behavior of a soil culvert system can be modeled by a linear finite element program and a mathematical solution of a hole in an elastic sheet reinforced by a...*

Flexural-Torsional Stability of Curved Beams

*General fourth order coupled differential equations are presented to determine the elastic buckling loads of in-plane as well as out-of-plane buckling modes of spatial thin-walled curved...*

Channel Design to Minimize Lining Material Costs

*A direct algebraic technique is developed to determine open channel cross-sectional designs which minimize lining material costs when base and side wall unit costs are different. Solution...*

Composite Beams with Web Openings: Design

*A general method for the analysis and design of composite steel-concrete beams with openings centered in the web of the steel section is developed. The approach is based on ultimate strength...*

New Evapotranspiration Crop Coefficients

*Improved crop coefficients for various Pacific Northwest irrigated crops were developed for estimating crop evapotranspiration (ET) from estimates or measurements of reference ET. Reference...*

Managing Salinity in Irrigated Agriculture

*Excessive accumulation of salts in soils and ground water has plagued the irrigated semiarid and subhumid regions of the world for centuries. The structural measures of salinity control...*

Biomass as Alternative Energy Source

*The potential for biomass utilization as a source of fuel, petrochemicals and petroleum-sparing substances is reviewed. The choices for cultivating biomass, utilizing it directly as an...*

Estimating Underground Power Station Costs

*Planners involved in evaluating pumped-storage alternatives found the capital cost of the underground powerstation directly related to the installed capacity. Estimates for three underground...*

Dynamic Formula for Pressure Injected Footings

*The mathematical derivation of a dynamic pile-driving formula for the installation of Pressure Injected Footings (Franki Piles) is presented. The usefulness of such a formula, despite...*

Dilution Analysis for Undirectional Diffusers

*The paper discusses the mixing mechanics of submerged, multi-port diffusers used to discharge heated water from steam-electric power plants into shallow receiving waters. An analysis for...*

Generalized Stiffness Matrix for Thin Walled Beams

*Stiffness matrix for a structural member is obtained using the differential equations derived by V.Z. Vlasov. Presence of additional off-diagonal elements over the conventional tridiagonal...*

Effective Stress Capacity Model for Piles in Clay

*Several rigorous, theoretical methods, using effective stress concepts, have been developed in the last five years to predict the ultimate shaft friction on piles supported in clays. The...*

Well Hydraulics in Vertically Heterogeneous Formations

*Comparative analysis of time-dependent drawdown alterations caused by the heterogeneous properties of stratified formations is given based on solutions developed under different assumptions...*

Fluvial Hydraulics of Deltas and Alluvial Fans

*Delta formation and its associated steam channel hydraulics have been studied using data obtained in a large laboratory flume. The findings for deltas are generally applicable to alluvial...*

Planar Strength of Restrained Beam Columns

*A theoretical method that describes the planar, elastic-plastic behavior of a beam-column loaded at the ends and along the length is described. The theory considers the three important...*

Tornado Technology and Professional Practice

*Advancements in tornado technology make it possible to plan and design for the tornado. Tornado proof designs are being employed in the nuclear industry and in the design of shelters....*

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