Foundation Practices for Talbingo Dam, Australia
The dam site for Talbingo Dam, a 530-ft high rockfill structure, is located in shyolite lava flows except for the upper right abutment, which is in tuff beds. On the right abutment the...

Prefabricated Filter-Fin for Subsurface Drains
The design and methods of installation of a prefabricated filter media for use with subsurface drains is presented. The filter media is fabricated from synthetic materials and can be used...

Steel Penstock Design for Tims Ford Dam
The design and construction of an embedded steel penstock is discussed. A straight line trench, from intake to powerhouse, cut into the rock under the left side of the dam reduced construction...

Density Studies of Cohesive Trench Backfills
This note presents the results of a nation-wide survey regarding backfilling practices, a discussion of different design and construction philosophies, a study of existing ordinances and...

Screening of Surface Wave in Soils
Field model tests were performed to determine the effectiveness of trenches in shielding against vibrations transmitted through the ground. In tests designated as active isolation, annular...

Committee on Backfilling in Public Rights-of-Way Final Report
The report is concerned primarily with evaluating types and properties of soils in the West and North sections of the city and county of St. Louis, field testing and evaluation of the...

Two-Dimensional Infiltration and Wetting Fronts
To study two-dimensional infiltration, fourteen field tests on four different soils were made. During the tests, the advance of the wet front was followed visually. The tests show that...

Navigation Locks: TVA's Multiport Lock Filling and Emptying
Details of a new concept in the design of the hydraulic system for medium-lift navigation locks are presented. The new design, the multi-port system, combines the lower costs of construction...

Replenishment of Aquifers Intersected by Streams
The interrelation between surface water and ground water is studied for certain aquifers that are intersected by streams and subjected to water withdrawal by trenches or wells. The presence...

The Bracing of Trenches and Tunnels, With Practical Formulas for Earth Pressures
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The Bracing of Trenches and Tunnels, with Practical Formulas for Earth Pressures
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