Condition Assessment

The primary goal of this proposal is to develop a well-defined methodology to estimate the remaining strength of a suspension bridge cable that has been exposed to fire.

The goals of the study are to investigate the root causes of the unusual fatigue cracking observed at the stiffener-to-flange welded connections in floor beams under stringers; and to decide an appropriate intervention plan. The research is expected to develop a cost-effective intervention plan.

The multi-criteria decision making framework developed in this project will include evaluation of pavement life, cost, safety, and sustainability of airfield pavement and will be flexible to meet different needs of airport authority to make sound decisions in choosing investment options.

Looking beyond their ability to detect problems, this project investigates emerging robotic technologies’ ability to actually perform infrastructure maintenance and repair tasks.

The Manhattan Bridge carries almost 90,000 vehicles and 1,000 trains over the East River to and from Brooklyn. Engineers are concerned about cracks in some structural elements. This project will develop a unique SHM system so we can better monitor how extreme traffic loads are affecting crack growth and displacement.

The purpose of this study is to evaluate the Overlay Tester using field cores from a recently completed FHWA accelerated loading facility (ALF) fatigue cracking study. The study comprised of 10 different lanes, each produced to the same target volumetrics, but with varied recycled asphalt contents, base asphal…

The primary goal of this project is to analyze motor vehicle bridges that were damaged or collapsed during Hurricane Maria. The specific objectives of the project are:

• develop an inventory of bridges that experienced damages or collapsed
• determine the causes of failu…
  

The primary goal of this proposal is to analyze pedestrian bridges that were damaged or collapsed during Hurricane Maria. The specific objectives of the project are:

• Develop an inventory of pedestrian bridges that were damaged or collapsed due to the hurricane and document the type of failures exp…
  

The overarching aim of the research is to explore and establish the ability of large-amplitude, forced vibration testing to reveal the current performance and forecast the future system performance of bridges, with the consideration of dynamic soil-foundation-structure effects. With the ability to perform reli…

Given the importance of overcoming the challenges associated with aging and deteriorating bridges, and the need for a full-scale proving ground for evaluation of new and advanced materials and devices, CAIT has procured full-scale load testing equipment. The Heavy Vehicle Load Simulator for Bridge Deck Testing…

Given the importance of overcoming the challenges associated with aging and deteriorating bridges, and the need for a full-scale proving ground for evaluation of new and advanced materials and devices, CAIT has procured full-scale load testing equipment. The Heavy Vehicle Load Simulator for Bridge Deck Testing…

Ground displacement or collapsed buildings caused by natural disasters can lead to explosions, injuries, and environmental catastrophes. Jie Gong integrated several remote-sensing technologies, data processing, and decision-support tools to help pipeline owners monitor assets post-disaster and assess increased risks.

Tunnel fires can cause loss of life, property, and mobility. Evaluating effects of extreme heat, one must consider intensity and duration, structural response, and changes to the surrounding soil. Rather than focusing on safety and evacuation, this project seeks to quantify fire damage and assess risk to tunnels.

The main objective of the conducted research was to evaluate 3D-Radar GPR in bridge deck condition assessment and imaging, with an emphasis on detection and characterization of corrosion induced bridge deck delamination. A broader objective of the study was to provide data for comparative evaluation of the performance of…

The project will encompass forensic testing on extracted cores of the stone matrix asphalt rubber (SMAR) material placed on I-295. Cores were provided to the Rutgers Asphalt/Pavement Laboratory (RAPL) at CAIT via Advanced Infrastructure and Design (AID).

Performance testing on cores will determine the following vo…

The increasing emphasis on maintenance of existing infrastructure systems has led to greater use of advanced sensors and condition monitoring systems. Wireless sensors and sensor networks are emerging as sensing paradigms that the structural engineering field has begun to consider as substitutes for traditional tethered …

This project will perform an investigation that covers the following broad objectives:
•    The state-of-the-art in asset management of highway infrastructure in the United States and abroad
•    Research needs for demonstrating a network-level implementation of asset management to a regional highwa…

The primary objective of this project to establish the ESTIP application to provide interactive tools and protocols for TIP/STIP review and approvals involving several stakeholders, including NJDOT, FHWA, MPOs, and NJ Transit. To ensure that all the stakeholders’ design requirements were properly addressed in the E-STI…

Iowa Department of Transportation (IDOT), like many other State DOTs, is faced with the need of identifying and deploying means for rapid, nondestructive and accurate condition assessment and performance monitoring of bridge decks.  Finding the right technologies will make a tremendous difference in the financial resour…

As a part of the Pavement Management Systems (PMS) project, ground penetrating radar (GPR) surveys were conducted at locations throughout New Jersey. Interpretations of the survey information were conducted for both network-level pavement management and design-level (project management) purposes. The objective of the wor…

The primary objective of this study was to evaluate the capabilities of the Portable Seismic Pavement Analyzer (PSPA) device to evaluate the bridge deck elastic moduli and the deck thickness, and to detect and quantify concrete bridge deck delamination.

The PSPA is a device for nondestructive evaluation of concret…

The LAE sensing sheet contains dense array of individual sensors, but there are some non-instrumented spaces between the sensors that are not sensitive to strain anomalies. In addition, individual sensors are sensitive to strain in one specific direction, while the damage (e.g. cracking of concrete and bowing of steel), …

THMPER is a fast, cost-effective tool to determine bridge load ratings that employs three refined methods outlined by AASHTO: modal impact testing, refined analysis, and calibration of finite element (FE) models. THMPER is self-contained, portable, and returns accurate results in about a day.

We propose to develop a rugged in-situ battery-powered electronic sensing platform for continuous monitoring of key toxic compounds in natural water sources with high temporal and spatial density (> 1 measurement per 5 minutes and > 1 measurement per 5 meters) over long periods of time (>48 hours). This continuo…

While there is consensus among stakeholders (FHWA, State DOT’s, Academia, Industry) that better data on bridge performance is required, there is limited infrastructure in place to make the best possible use of the data. This is a considerable threat to the success and existence of the shift towards data-driven appr…

This research provides a research and educational platform that is ideal for a variety of bridge studies.  The work included in this proposal is the design and installation of embedded accelerometers, strain gages, and thermocouples throughout the bridge structure which can then be used for dynamic studies in the future…

Utah Department of Transportation, along with Utah State University and the University of Utah Seismograph Stations are currently operating an installation with 39 channels of acceleration including 18 channels from on-bridge sensors.

This proposed project will address upgrading of the data recording equipment (us…

The goal of this project was to cast the SHM problem within a statistical pattern recognition framework. Techniques borrowed from speaker recognition, particularly speaker verification, were used as this discipline deals with problems very similar to those addressed by structural health monitori…

Lean philosophy was used to analyze the efficiency of bridge inspection. Emphasis was put on identifying activities that add value to the final output, an owner approved bridge inspection report. 26 bridge inspections were shadowed. Time spent on bridge inspection activities was recorded for all bridge inspection stages …

One Accelerated Bridge Construction (ABC) technique that is being utilized in many locations throughout the US is the construction of bridge superstructures off site and then moving the bridge into position.  This method relies on Self-Propelled Modular Transporters (SPMTs).  The bridge superstructure undergoes both ve…

The Utah Transportation Center, in conjunction with CAIT at Rutgers, sponsored a study that investigated the distribution factors and load ratings of a continuous, steel I-girder bridge. The SH-52 Bridge over the Snake River is located on the Idaho-Oregon border near Payette, Idaho. The bridge w…

The goal of this project is to develop a road map for research through CAIT on transportation infrastructure resilience.

The objective of this research is to identify technological issues and formulate a research agenda for a smart city research program.  Given the research strength of the faculty members associated with CTIS at UTEP, this project will focus on the areas of smart bridges, smart mobility and smart building, with a view of …

Accelerated Bridge Construction techniques have resulted in innovative options that save time and money during the construction of bridges.  One such group of techniques that has generated considerable interest is the usage of individual precast concrete decks in place of cast-in-place bridge decks.  Utilizing precast …

The project is proposed to expand the previous efforts (by WinLab-Rutgers) performed on Parking Guidance and Information System (ParkNet) and assess the effect of real-time dissemination of on-street parking information using mobile connectivity on the gas emission and consequently the environment pollution. The research…

The objective of the project is the development of a full All-in-one Asset Management tool will be described followed by the identification of specific modules and features that will be implemented during a prototype phase. The All-in-one tool will be developed using client/server applications including a desktop capabil…

The Accelerated Infrastructure Testing Facility (AITF) would be the first facility in the world to enable accelerated scientific study of deterioration processes on full-scale bridges and also would offer state-of-the-art advanced pavement materials evaluation and testing capabilities.

Specifically, the AITF would…

The Americans with Disabilities Act (ADA) requires public transit agencies to provide paratransit service to individuals who are unable to use fixed-route buses because of their disability. New Jersey first introduced Access Link paratransit in 1993; in compliance with the law, the system fully shadowed the NJ TRANSIT lo…

This report discusses the application of Tensar geogrids as the reinforcement elements in the construction of mechanically stabilized earth (MSE) walls on the Route 22 over Conrail and Liberty Avenue bridge replacement project in Hillside, NJ (Union County). As this is a relatively new product to the New Jersey Departmen…

The primary objective of the Rutgers Pavement Resource Program (PRP) is to utilize the extensive laboratory and field pavement testing equipment and staff expertise of the Pavement Resource Program in all aspects of Pavement Engineering to assist the New Jersey Department of Transportation’s Pavement and Drainage Manag…

The New Jersey Department of Transportation Standard Specifications for Road and Bridge Construction require uniform quality-assurance testing and approval of concrete admixtures and structural steel paints. Testing is performed to insure that contract materials are not adversely modified or altered.

This study ev…

New Jersey Department of Transportation manages a number of transportation structures that have pipes of various sizes that act as culverts. It is a challenge to repair and rehabilitate pipes with diameters less than 36 inches because of the problems of accessibility. An innovative solution is needed for in-place repairi…

Center for Advanced Transportation Infrastructure (CAIT) of Rutgers University is mandated to conduct ground penetrating radar (GPR) surveys to update NJDOT’s pavement management system with GPR-measured pavement layer thicknesses.

Based on the review of the GPR data currently in the pavement management system, …

The New Jersey Department of Transportation (NJDOT), as many other DOT’s, moved towards utilizing a high-speed profiler to measure the International Roughness Index (IRI) as a part of the state smoothness acceptance specifications. Although high-speed profilers have been in use for long time as a tool to collect networ…

The main objective of this study was to calibrate the AASHTO pavement temperature and seasonal adjustment models, or to develop new models. The models were based on New Jersey conditions and also will be used in network- and project-level FWD analysis.

For this study, 24 pavement sections were instrumented and a n…