Engineering Commons^™

“Arachne” (A Construction Method For Industrialized Housing), J. P. D. Kergueno

International Symposia on Low Cost Housing Problems

No abstract provided.

Modular Housing Systems Around The World And In The U.S. A., Nitin N. Shah

International Symposia on Low Cost Housing Problems

No abstract provided.

Increasing The Productivity Of Housing Development Corporations, Carol Van Astyne

International Symposia on Low Cost Housing Problems

No abstract provided.

A Place In The Sun, Arthur Monsey

International Symposia on Low Cost Housing Problems

No abstract provided.

Analysis Of Costs In Housing, John J. Huson

International Symposia on Low Cost Housing Problems

No abstract provided.

Earthquake Resistant Construction Features In Low Cost Buildings, A. S. Arya

International Symposia on Low Cost Housing Problems

No abstract provided.

Low Cost Housing: The Necessity Of Interdisciplinary Skills, Margaret K. Thorpe, Dwight D. Zeck

International Symposia on Low Cost Housing Problems

No abstract provided.

Preliminary Indicators Of Income/Wealth Redistribution Associated With Bureau Of Reclamation Projects, Reed Willis, Allen Lebaron, Herbert Fullerton

Reports

Social well-being is an accepted subset of water investment feasibility criteria. Our attempt is to isolate income redistribution impacts conferred by the U.S. Bureau of Reclamation projects. Four project sites have been utilized to yield both pre and post project estimates of farm income and wealth. Production functions of the Cobb-Douglas type were estimated to yield information about factor shares, and thus enable inferences to be made about distribution of total product. Lorenz curves were developed to show changes in distribution of wealth and net income in terms of family enterprise, per acre, and per irrigated acre. Listing of individual …

Development Of Specifications For Reflex-Reflective Materials, Ronalds L. Rizenbergs

Kentucky Transportation Center Research Report

Evolutionary changes in highway design, automobiles and retro-reflective products prompted Kentucky to undertake a study to update specification requirements for signing materials, delineators and coating compounds. The study was primarily concerned with geometric relationships between the driver, headlamps and traffic signs; investigation of reflectivity, color, durability and other properties of available reflective materials; adoption of testing apparatus to measure material properties; and development of test procedures.

A review of specific sign viewing conditions on the road indicated the appropriateness of reflectivity testing at 0.5-degrees and 0.2-degrees angles of divergence. These angles, however, limit examination of materials at viewing distances in …

Experimental Sand-Asphalt Surface, Robert L. Florence, Herbert F. Southgate

Kentucky Transportation Center Research Report

Wearing surfaces of Kentucky rock asphalt applied in thin layers were used extensively in Kentucky for many years. Sand asphalts, which generically include rock asphalt, are now a reemergent generation of surfacings to be investigated (1,2,3). An interim report (4) related the construction and interim performance of trial surfacings in Logan County. Two bridge deck sand-asphalt surfacings have been reported (5). This report covers sand-asphalt construction and performance since 1966. Pertinent project data and comments are contained in Appendix A. The several Special Provisions are included in Appendix B.

Interest in sand-asphalt wearing surfaces issues from the skid-resistant qualities which …

State New Construction Technologies 1963, Orani Dixon, John V. Wells

Accounts and Data

This is a study that considers both interregional technological variations and interregional product mix variations. Product mix variations are estimated more accurately by using more disaggregated construction subindustries and by improving the accuracy of the state output totals used as weights in estimating product mix variations.

Strength Of Bolted And Welded Connections In Stainless Steel, George Winter, S. J. Errera, B. M. Tang, D. W. Popowich

CCFSS Library (1939 - present)

INTRODUCTION In 1968 the American Iron and Steel Institute published the first edition of the "Specification for the Design of Light Gage Cold-Formed Stainless Steel Structural Members"(1)8, , based largely on research sponsored by AISI at Cornell University. (2) That Specification covers the design of members cold-formed from six common types of austenitic stainless steel in the annealed and strain flattened condition. Additional research has been underway at Cornell on austenitic Type 301 stainless steel in the 1/4 and 1/2 hard tempers, to determine the structural behavior of these higher strength materials(3), including the behavior of structural connections. The properties …

Hydrologic Inventory Of The Weber River Study Unit, Frank W. Haws, Roland W. Jeppson, A. Leon Huber

Reports

The 1963 Utah State Legislature authorized the Utah Water and Power Board (now the Utah Division of Water Resources) to develop a state water plan in order to give coordination and direction to the activities of all state and federal agencies concerned with Utah's water resources. To facilitate the development of this plan, a proposal was submitted through the State Planning Coordinator in the Governor's Office to the Urban Renewal Administration of the Housing and Home Finance Agency. Funding was approved effective May 19, 1966, under the Urban Planning Assistance Program authorized by Section 701 of the Housing Act of …

The 1963-64 Lake Mead Survey, J. M. Lara, J. I. Sanders, Bureau Of Reclamation

Publications (WR)

The 1963-64 Lake Mead survey was run to compute the reservoir capacity. Results of the geodetic and hydrographic surveys and sediment sampling equipment are described. The geodetic survey showed Hoover Dam subsided an average of 118 mm since 1935. Sonic sounding, photogrammetry, and crosssectional profiling methods were used to run the hydrographic survey. Reservoir area and capacity tables were generated using an electronic computer. The present lake capacity is 29,755,000 acre-ft and the reservoir surface area is 162,700 acres at elevation 1229 ft. 2,720,000 acre-ft of sediments accumulated in the lake since 1935. A unit weight of 60 Ib/cu ft …

Prediction Of Hugoniots For Soil Using The Theory Of Mixtures., Robert O. Davis

Civil Engineering ETDs

An analytic derivation for the constitutive relation governing the response of soil to high intensity shock loading is presented. The derivation is based on the contemporary theory of mixtures. Soil is envisioned as a three component mixture (solids, water, and air) and jump equations for each of the components are derived. Mass, momentum, and energy transfer between the various components is allowed and it is assumed that the solid and water components obey a Mie-Gruneisen equation of state. A mixture Hugoniot is developed and compared with published experimental results.

An Experimental Study Of Lateral Soil Pressures And Moments On Flexible Sheet Piles, James H. Donahue

Civil & Environmental Engineering Theses & Dissertations

In order to study the effect compaction has on lateral earth pressures exerted on and bending moments in steel sheet pile bulkheads, an experimental study was undertaken which employed the placement of a non-cohesive soil at two specific densities against three model piles of varying thicknesses. The soil was placed both in a loose and a dense state and the bending strains and deflections of the sheet piles were measured at various stages of backfill. Surface loadings were then placed after completion of the backfilling to observe the effects these loads had on the bending moments. The results of the …

A Study Of Elasto-Viscous Material Under Moving Rigid Wheel, Sou-Nan Wang

Civil & Environmental Engineering Theses & Dissertations

This thesis is considered as the solution of interaction between aircraft wheel and soil under landing of airplane. After treating soil as elasto-viscous material, we get a set of non-linear differential equations, such as momentum equations, in viscous region.

A numerical method, Marker-and·-Cell (MAC) method, was used to solve these equations. All data and curves are obtained by using CDC 6600 computer.

Replication Of Eye-Bars And Measurement Of Losses In Cross Section Due To Corrosion, Assaf S. Rahal, J. R. Philpot

Kentucky Transportation Center Research Report

Recent availability of high pressure water blasters made it possible to remove rust accumulated between the eye-bars near pin connections on the Central Bridge (Figure 1) over the Ohio River at Newport. Previously, they had never been thoroughly cleaned. Cleaning of two connections on a trial basis enabled an inspection between the bars. It was apparent then that the deterioration was critical enough to necessitate examination of the several bar groups and to accurately measure their least cross sections.

The Research Division undertook the task of replicating and measuring the bars. Figures 2 and 3 show one set of bars …

Grain Size Reconnaissance Of The Virginia-North Carolina Inner Shelf Analysis By Settling Technique, Robert Bailey Sanford Jr.

OES Theses and Dissertations

The 2-fold purpose of this study is to calibrate a Rapid Sediment Analyzer and to use it to aid in the determination of the genesis of sediment on the inner continental shelf between Cape Henry and Cape Hatteras. Rapid Sediment Analyzer calibration was conducted by comparison of sieving and settling results of similar sands.

The study area was divided into sediment provinces by both a qualitative procedure (grain size and topography) and a quantitatively procedure (factor-vector analysis). Qualitative provinces are beach and surf, upper shore face, lower shore face, sea floor, and terminal shoals. The berm fines from each terminal …

The Dynamic Pressure Distribution And Rigid Body Response Of A Small Buried Dome Subjected To An Airblast-Induced Loading., Richard Cramond

Civil Engineering ETDs

A 9 inch in diameter rigid hemispherical dome was buried in the bottomless soil bins of a vertical shock tube. The interior diameter of the soil bins was 22-3/4 inches, with the interior wall being covered with a friction reducing membrane. An airblast was generated so as to strike the soil perpendicular to the soil surface. The peak reflected pressure of this airblast averaged 315 psi throughout the fourteen tests with the dome. Instrumentation measured the air pressures at the soil surface, the free-field soil stress above and below the dome, the radial on-structure stress on the dome, the rigid …

Runoff And Sediment Studies For San Pedro Creek, Sandoval, Bernalillo, And Santa Fe Counties, New Mexico, Elvidio Olavo Vidalito Bernado Diniz

Civil Engineering ETDs

The San Pedro Creek basin has a drainage area of 195 square miles stretching from the eastern slopes of the Sandia Mountains to the Rio Grande in the northwest. The lower elevations in the basin have a typical semiarid climate, but the higher elevations are more humid. The basin is disected by dendritic patterned drainage systems; approximately twenty-two of these systems compose the basin. The area is a woodland with juniper, pinon, and grasses prevalent. The geology of the area is very complex numerous faults occur within the basin, and three major faults border it. The soils in the basin, …

Electronic Analog Computer Hydrologic Simulation Of The Upper Bear River Basin, Mohammed A. Basha

All Graduate Plan B and other Reports, Spring 1920 to Spring 2023

OF the total precipitation falling on watersheds throughout the world, an average of approximately 85 percent returns directly to the atmosphere through evaporation and use by mountain vegetation. The remaining 15 percent moves from the watersheds as runoff and becomes available in the valleys to be used by man for irrigation, industry, recreation, and many other requirements in recent years has led to an increasing need for efficient management of available water resources, and in this regard computer modeling or simulation has proved to be a powerful tool.

The study described herein involves simulation of the hydrologic system of the …

Irrigation Water Management Potential In The Bear River Delta, Tom Al Austin

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purposes of this study were to evaluate the present irrigation efficiencies of the Bear River delta area of northern Utah and to propose a set of management proposals to improve the irrigation efficiency. In order to evaluate the present use, all pertinent data on the water resources of the Bear River delta had to be assembled and analyzed.

A hydrologic budget is a method used to account for all inflows, outflows, and changes in storage within a given area. In this study, all inflows and changes in storage were evaluated and the outflow was predicted. In this manner the …

Median Design And Accident Histories, Gordon R. Garner

Kentucky Transportation Center Research Report

The purpose of this study was to provide information concerning the accident histories of various median types to verify minimum requirements for width and cross section. Previous accident studies failed to disclose significant relationships between median width and accident rates. Those studies did not recognize or control several important variables that were controlled in the present study. The efforts here are to compare median types on rural, four-lane, fully controlled access facilities with similar geometries other than median types. An attempt was made to account for some of the Variability in the accident data. Thus, this study gives information on …

Legal Aspects And Guidelines Pertaining To Drainage Of Surface Waters, D. W. Mclellan Jr., Victor Fox

Kentucky Transportation Center Research Report

A previous study ("Research Relating to State Highway Laws", reported January 1967) afforded us an opportunity to review a vast array of literature and statutory law pertaining to enabling legislation and administrative authority to construct and maintain highways. It was surprising to find that the statutes are void of guidance on certain subjects: there are great "bodies" of unwritten or non-statutory laws which are referred to as "common law" and "civil law", which are deeply rooted in the past; many are doctrinal or equitable; many are extraordinary and argumentative -- they should not be confused with Civil Procedure. They have …

Ole Miss Engineer 1970

Ole Miss Engineer

No abstract provided.

Pavement Slipperiness Studies, James L. Burchett Jr., Ronalds L. Rizenbergs

Kentucky Transportation Center Research Report

Studies of pavement skid resistance in Kentucky have been in progress since 1956. In 1964, an extensive investigation into the use of an automobile as a testing tool was undertaken and an interim standard method of test was selected. Since then, investigations with the device have continued, both to facilitate meaningful interpretation of skid-test data and to evaluate the skid resistance performance of pavement surfaces.

Variables associated with the testing device, procedures and pavement surfaces were investigated. Several paving projects were tested to determine the number of sites required to obtain a representative result. It was found that on most …

Closed Conduit To Open Channel Usu Stilling Basin, Gordon H. Flammer, Gaylord V. Skogerboe, Chi-Yuan Wei, Hameed Rasheed

Reports

Criterion have been developed for designing a stilling basin to serve as a transition from closed conduit flow to open channel flow for a fully submerged pipe outlet. The unique feature of the stilling basin is the short-pipe energy dissipater so located and designed as to provide maximum energy dissipation for the basin configuration. The expanding characteristics of a submerged jet were used in establishing the length of the stilling basin. The unsteadiness of the water surface and the relative boil height in the model basin were used as the criteria for evaluating the effectiveness of the structure for energy …

Hydrologic Inventory Of The Uintah Study Unit, Lloyd H. Austin, Gaylord V. Skogerboe

Reports

The 1963 Utah State Legislature authorized the Utah Water and Power Board (now the Utah Division of Water Resources) to develop a state water plan in order to give coordination and direction to the activities of all state and federal agencies concerned with Utah's water resources. To facilitate the development of this plan, a proposal was submitted through the State Planning Coordinator in the Governor's Office to the Urban Renewal Administration of the Housing and Home Finance Agency. Funding was approved effective May 19, 1966, under the Urban Planning Assistance Program authorized by Section 701 of the Housing Act of …

Interior Corrosion Of Structural Steel Closed Sections, American Iron And Steel Institute

CCFSS Library (1939 - present)

A survey of light poles, water-tank stanchions, orthotropic deck bridges, marine tubular catwalks, davits and welded steel columns strongly suggests, contrary to some beliefs, that interior surfaces of closed steel sections rust but little in the atmosphere, even when not fully sealed. Only light rusting occurs because amounts of oxy'gen and water in entrapped air are limited and condensation necessary for rusting is infrequent. Computations based on the oxidation reaction taking into account inside surface, volume of entrapped air, relative humidity and air changes show that the loss of iron thickness due to such rusting is negligible. Use of closed …