<p>This document presents information on the analysis, design, and construction of permanent soil nail walls in highway applications. The main objective is to provide practitioners in this field with sound and simple methods and guidelines that will allow ...

<p>Unknown bridge foundations present a unique challenge to Departments of Transportation (DOT) across the country since foundation characteristics are a necessary input to assess scour vulnerability and to develop appropriate scour countermeasures. A number ...

<p>Continuous monitoring of subsurface ground movements is accomplished with in-place instruments utilizing automated data acquisition methods. These typically include TDR (Time Domain Reflectometry) or assemblies of several servo-accelerometer-based, electrolytic ...

Domestic Scan 09 05, Best Practices for Roadway Tunnel Design, Construction, Maintenance, Inspection, and Operations, conducted during August and September 2009, is one of the activities initiated to assist in addressing the need for national tunnel standards ...

Structures designed to protect the areas around a slope from falling rocks include mesh or cable nets, barriers and fences, and catchment areas (ditches at the toe of a slope, designed to prevent rockfall from reaching the highway). These devices allow ...

This manual outlines the state-of-the-art and recommended practice for designing and constructing Geosynthetic Reinforced Soil (GRS) technology for the application of the Integrated Bridge System (IBS). The procedures presented in this manual are based on ...

<p>This manual is intended to provide a technical resource for bridge and geotechnical engineers responsible for seismic analysis and design of transportation geotechnical features and structures such as soil and rock slopes, earth embankments, retaining structures ...

This manual embraces both construction and design of drilled shafts, and addresses the following topics: applications of drilled shafts for transportation structure foundations general requirements for subsurface investigations construction means and methods ...

This research presents the correlation of undrained shear strength based on the cone resistance from the cone penetration test (CPT) for clayey soils in Indiana. It utilized the field cone penetration test program including the CPT, the index test, the one ...

This manual provides criteria for evaluating corrosion losses when using coated or uncoated steel reinforcements, and for determining aging and installation damage losses when using geosynthetic reinforcements. Monitoring methods for in-situ corrosion rates ...