The introduction of larger aircrafts on flexible airfield pavements has led to a need for asphalt mixtures capable of sustaining such heavy loads. This laboratory and analytical study investigated the mechanical responses of a number of modified asphalt mixtures to identify their potential for use in airfield aprons and taxiways that are subjected to heavy, static or slow-moving aircraft loads.

The introduction of larger aircrafts on flexible airfield pavements has led to a need for asphalt mixtures capable of sustaining such heavy loads. This laboratory and analytical study investigated the mechanical responses of a number of modified asphalt mixtures to identify their potential for use in airfield aprons and taxiways that are subjected to heavy, static or slow-moving aircraft loads.

The I88 culvert crossing of Carrs Creek in Sidney, NY collapsed during the record setting Mid‐ Atlantic States Flood of June 2006. Rapid construction with geofoam as lightweight fill enabled partial reopening of I88 by Labor Day 2006. Shortly after reopening of the roadway, rapid settlements developed. The geofoam fill was removed and I88 was rebuilt using lightweight aggregates. An investigation of the rapid construction failure was completed in 2009. This report examines the failure of the re‐construction and the results of the subsequent investigation.

This report presents a new approach for evaluation and maintenance of existing concrete bridges; an active preventive maintenance approach, which costs just fraction of the current passive approach. Such an active preventive maintenance approach requires chemical detection of potential deterioration problems before they even start.

Tens of thousands of bridges in the US develop transverse deck cracking due to concrete shrinkage. Transverse cracks are observed on various types of superstructures and in most geographical locations. They increase the maintenance cost, reduce bridge life through accelerated corrosion, cause water leakage, and impact aesthetics. Most researchers have tried to tackle this problem to date by focusing on changes in design and construction techniques, many of which have been implemented, but the problem still remains.

Tens of thousands of bridges in the US develop transverse deck cracking due to concrete shrinkage. Transverse cracks are observed on various types of superstructures and in most geographical locations. They increase the maintenance cost, reduce bridge life through accelerated corrosion, cause water leakage, and impact aes thetics. Most researchers have tried to tackle this problem to date by focusing on changes in design and construction techniques, many of which have been implemented, but the problem still remains.

<p>Warm mix asphalt (WMA) technologies have attracted great interest in the field of pavement engineering due to its potential energy savings and environmental benefits. As one of the most popular WMA processes, Advera? utilizes zeolite to greatly reduce the production temperature of pavement without compromising the performance of the mixture. However, due to the lack of a comprehensive rheological characterization, the existing specifications cannot provide the optimum temperature and additive proportion for specific binder or aggregate types.

The New Jersey Department of Transportation (NJDOT) operates and maintains a network of thousands of miles of conduits, many carrying fiber optic cables, that is vital to the State?s communication system. These conduits frequently must be located and marked to avoid damage from construction. These conduits were to be located using a system of trace wires (TW) and radio frequency detection. However, for various reasons the TW are missing and this system is not functioning over a significant portion of the network.

Weigh-in-motion (WIM) systems might soon replace the conventional techniques used to enforce
weight restrictions for large vehicles on highways. Currently WIM systems use a piezoelectric
polymer sensor that produces a voltage proportional to an applied pressure or load. Using this
phenomenon, these systems are already being tested for collecting traffic data, including weigh-inmotion,
measuring vehicle speeds, classifying vehicles by category and counting axles etc. The

Piezoelectric sensors are being tested for collecting traffic data, including weigh-in-motion, measuring vehicle speeds, classifying vehicles by category and counting axles etc. There are two types of these sensors ? polymer and ceramic. Currently WIM systems use a piezoelectric polymer sensor that produces a voltage proportional to an applied pressure or load. The polymer sensors are usually in the form of a long tape or cable embedded within a long block of elastomeric material. These blocks are installed into grooves, which are cut into roads perpendicular to the traffic flow.