From Good to Great: The Evolution of Cutoff Wall Quality Control and Verification Techniques
The last three decades have brought tremendous improvements to quality control (QC) procedures for construction and post-construction verification of deep cutoff walls installed in active high-hazard dams....
A Brief History of Jet Grouting in the Last 50 Years: The Story of Its Evolution
Jet grouting, a grouting soil improvement construction technique, was first developed in Japan in the 1960s and 1970s, and then introduced in Europe a few years later in the form of a proposal for soil...
Power and Speed
A new venture aims to build an underground cargo distribution system that operates at airline speeds using an electromagnetic levitation and propulsion system....
Trump Administration Highlights Need for Infrastructure Spending, Permitting Reform
As part of a week dedicated to infrastructure, the Trump administration focused on aviation reform, increased federal funding, and efforts to reduce regulatory requirements for infrastructure projects....
Innovations in Geosynthetic Rolled Erosion Control Products: From Forests to Fibers
Over the last 50 years, many different types of geosynthetic rolled erosion control products (RECPs) have emerged, ranging from different structure types to different fiber types. Natural-fiber...
Evaluation of Vertica Retaining Wall Systems
Prepared by the Highway Innovative Technology Evaluation Center (HITEC). This report describes a HITEC evaluation designed to determine the basic capabilities...
Quality Assurance/Quality Control
The contract between the purchaser and the supplier shall state the responsibilities of each party and the conditions under which the work will be accepted or rejected....
Detailed Site Investigations
This section addresses site investigation issues that are important for detailed design and construction of microtunneling projects. These site investigations include the following: Geotechnical...
Advanced Fracture Control Procedures for Deepwater Platforms and Compliant Towers
This paper describes an integrated approach to fracture control problems � applied first as a necessary adjunct to the authors' own engineering practice, then in developing...
Condition Indices, Performance Measures, and Managing Performance Data for Geotechnical Asset Management � Don't Get Buried!
Why don't transportation agency assets like pavements, bridges, and earthwork have a Check Engine light? Why can't you simply pull up the complete history and life cycle plan for them?...
Ground Freezing in a Congested Urban Area
Artificial ground freezing is a method of providing temporary earth support and ground water control for deep excavations and tunnels. The technique has been used for over 100 years in...
Transbay Transit Center: Innovations in Automated Monitoring
The new Transbay Transit Center will include a multimodal terminal serving 11 transit systems and future high-speed rail from San Francisco to Los Angeles/Anaheim. This is an ambitious,...
Improving Construction Quality by Seeing What's Hidden Underground
One of the challenges of deep foundation projects is the inability to see what's being built at depth. Construction is hidden below ground, in soil or rock conditions that...
Evaluation of the KeySystem II Retaining Wall
By Keystone Retaining Wall Systems, Inc. with TenCate Geosynthetics Geogrid Reinforcement
Prepared by the Highway Innovative Technology Evaluation Center (HITEC). This report describes a HITEC evaluation designed to determine the basic capabilities...
Evaluation of the Stone Strong Gravity Wall System by Stone Strong Systems: Final Report
This report was prepared as part of the HITEC evaluation for earth retaining systems. This evaluation was performed on STONE STRONG gravity walls, a precast modular wall developed, designed,...
Existing Sewer Evaluation and Rehabilitation
Fully revised and updated, this authoritative volume offers the most comprehensive information available on maintenance, repair, rehabilitation, and replacement of existing sewers. This...
Field Quality Control
A good quality control program helps ensure that technical requirements of the grouting are met and also adds to the overall success of a grouting project. The quality control program...
Renewal Methods
This chapter presents an overview of different methods that can be used for culvert and storm sewer renewal. For each method, product main characteristics, method description, construction...
Evaluation of Geopier Rammed Aggregate Piers by Geopier Foundation Company
Final Report
Prepared by the Highway Innovative Technology Evaluation Center (HITEC). This report describes a HITEC evaluation designed to determine the basic capabilities...
Building Code Requirements and Specification for Masonry Structures
Containing Building Code Requirements for Masonry Structures (TMS 402-08/ACI 530-08/ASCE 5-08, Specification for Masonry Structures (TMS 602-08/ACI 530.1-08/ASCE 6-08) and Companion Committees
The Code covers the design and construction of masonry structrures while the Specification is concerned with the minimum construction requirements for masonry in structures. Some of the...
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