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Seismic Retrofit of Building Structures with Unreinforced Masonry Infill Walls
The paper summarizes the result of an analytical study conducted by the authors concerning the evaluation of the seismic performance of buildings with unreinforced masonry infills. The...

The Engineer's Role in Reducing Curtainwall Failures
For a variety of reasons, engineers have abdicated responsibility for curtainwall design. Failures of curtainwall components are very common, leading to expensive repairs and even complete...

Dynamic In-Plane Racking Tests of Curtain Wall Glass Components
This paper is concerned with the seismic performance of 'architectural.' or 'non-structural' building elements such as glass elements in curtain wall systems. A pilot study was undertaken...

Evaluation of Seismic Isolation Schemes for a Historic Building
The U.S. Court of Appeals Ninth District building originally completed in 1905 with an expansion in 1933, suffered damage during the 1989 Loma Prieta earthquake. The building is currently...

Investigation of Diaphragm Walls to Improve Performance, Design, and Construction
As a result of the need for tunnels, underground highways and parking structures, cofferdams, facilities related to the improvement of the environment, etc., there has been a significant...

Analysis of Masonry Walls with Smeared and Discrete Crack Models
To design modern reinforced masonry structures for seismic loads and to evaluate the seismic safety of existing unreinforced masonry buildings, the shear resistance of masonry shear walls...

Wood Diaphragm Design Capacities in LRFD Format
Wood diaphragms (horizontal and vertical) have performed well in resisting and transferring lateral forces imposed by major wind and seismic events. Resilient (ductile) behavior of wood...

Seepage Control in Dam Rehabilitation
This paper is concerned with the control of seepage problems which develop in existing dams. It is prefaced with a discussion of attitudes and experiences that have evolved over the last...

Mud Mountain Dam Concrete Cutoff Wall
Mud Mountain Dam is an earth and rockfill flood control dam on the White River. The dam is located approximately 50 km southeast of Seattle, Washington. The dam was constructed in 1941...

Rehabilitation of the Deep Creek Lake Dam
This paper presents the rehabilitation design for upgrading the Deep Creek Lake dam. The Deep Creek dam is a rock fill dam, 92 feet (28 m) high and 1290 feet (393 m) long, and constructed...

Heat Transfer in Vertical Concentric Cylinders in a High Level Nuclear Waste Repository
Modeling free convection heat transfer in an cylindrical annular enclosure is still an active area of research and an important problem to be addressed in the high level nuclear waste...

Study of a Computer System for Evaluation of Bearing Wall Stresses in Structural Planning ? Reasoning by Neural Network
This report proposes a reasoning system for bearing shear wall stresses in the ultimate state by using geometrical data of buildings and shear walls at the initial stage of aseismic structural...

The Force Between a Bogie and a Troubled Suspension and Guidance Coil
It is very important for the superconducting LSM Maglev vehicle to maintain the safety. Currents induced in suspension and guidance coils arranged on the side wall of a guide way generate...

New Structures Used for Protection of the Black Sea Coasts
New construction of coastal protective issues, elaborated in SIA Saknapirdatsva are described in this paper: such as two-chamber crib retaining wall, through coast grayne, hollow concrete...

Sea-Level Rise in Senegal: Impacts and Responses
The potential impacts and responses of sea-level rise on the coastline of Senegal are analyzed with an emphasis on regional distribution. Impacts include loss of land and the economic...

Shore Protection Design?A Necessary Evil
Since much shore protection exists and further shore protection will be considered necessary in the future, this paper addresses the need for better design methods to replace the present...

Pumping or Slurry Walls?Which Works Best for Groundwater Containment?
Results of a numerical optimization model capable of designing containment systems for sites with three-dimensional groundwater flow indicate that site hydrogeology and economic considerations...

A Semi Passive Nutrient Injection System for In Situ Bioremediation
A permeable cutoff wall is installed across the path of a contaminant plume. The water in the wall can be amended with the desired nutrient solution using pumping and injecting wells within...

Model Study of Rio Hondo Flood Control Channel, Los Angeles, California
The Rio Hondo Flood Control Channel located within the Los Angeles County Drainage Area (LACDA) is part of a Comprehensive flood control system which includes 20 dams, 129 debris basins,...

Methods for Prediction of Maximum Scour at Coastal Structures
The most common coast scour-related problems are toe scour at rubble mound structures and vertical seawalls, and scour at the base of piles and horizontal pipelines. Existing scour prediction...

 

 

 

 

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