Double Duty: Approach Structures
The new Sarah Mildred Long Bridge, which connects the cities of Kittery, Maine, and Portsmouth, New Hampshire, features precast, posttensioned concrete, segmental box girder approaches in a stacked configuration...

Drones: An Engineering Reconnaissance Tool of Tomorrow, but Here Today!
About six years ago, I began researching geotechnical engineering applications of unmanned aerial vehicles (UAVs), or drones. My initial efforts were encouraged by most of my colleagues, but were criticized...

“Touch Screens” for Roadways: Colorado Tests Smart Pavement
A smart pavement system will be installed in Colorado that can track movement atop it, detecting, for example, when a vehicle does not successfully navigate a dangerous, remote mountain corridor....

Novel Computing Techniques Aid First Responders; Connected Vehicles Can Predict Flooding; Robotic Device Detects Leaks in Plastic, Metal Pipes; Sound Used to Manage Landfill Gas Collection
New developments in disaster response, rainfall tracking, water-leak detection, and landfill gas collection are highlighted....

What Lies Ahead?
How will trends in climate change, alternative energy, high-tech construction, autonomous vehicles, smart cities, and public funding affect communities, infrastructure, and the practice of civil engineering...

Design of the Future Mexico City Airport: Attaining Resilience in Soft Ground
The Lake Texcoco region to the east of Mexico City is famed for its deep lacustrine deposits of compressible clay, which amplify ground shaking during seismic events. The area is also gradually subsiding...

Journal of Transportation Engineering, Part B: Pavements
The Journal of Transportation Engineering, Part B: Pavements will contain technical and professional articles on the planning, design, construction, maintenance, and operation of airport, roadway and other...

Geotechnical Aspects of Pavements: There's More to Roads than Asphalt and Concrete!
When you jump on the highway to make that commute to work, do you think much about what's under the surface you ride on? Pavements are layered systems designed to provide a strong structure to support...

The Rise of UAVs Signals a New Era in Geotechnics: Big Data in Geotechnics is Coming from Above
If you have been following the news, browsing the internet, or even gazing up in the sky, it is likely that you have seen an Unmanned Aerial Vehicle (UAV), also commonly known as Unmanned Aircraft System...

Small Projects are Big Deals
Geotechnical engineers work on a wide array of projects, ranging from small retaining walls or pavement projects, to construction of dams, canals, and foundations for bridges and high-rise...

Introduction
Many institutions and private industry organizations have prepared guidance documents with the latest scientific and engineering information on proper design, installation, maintenance,...

Design Considerations Common To All Permeable Pavements
Impervious cover in watersheds without controls result in increased stormwater runoff and decreased groundwater recharge in response to rainfall events. This increased runoff can be the...

Porous Asphalt and Permeable Friction Course Overlays
Porous asphalt typically consists of conventional warm mix asphalt (WMA) or hot mix asphalt (HMA) with significantly reduced fines resulting in an open-graded mixture that allows water...

Pervious Concrete
Pervious concrete consists of a hydraulic cementitious binding system combined with an open-graded aggregate to produce a rigid pavement with typically 15% to 25% interconnected void space....

Permeable Interlocking Concrete Pavement (PICP)
Permeable interlocking concrete pavement (PICP) consists of (impervious) manufactured concrete units that form permeable voids and joints, when assembled into a laying pattern. The openings...

Grid Pavement
Open grid pavements consist of concrete or plastic units with large surface openings filled with a permeable joint material, typically small aggregate (ASTM No. 8 or No. 89), sand, or...

Alternative Technologies
In recent years, new permeable pavement product variations have entered the market. This chapter describes general characteristics for several emerging products. The following types of...

Achieving Success and Avoiding Failures with Permeable Pavements
This chapter provides experienced-based recommendations on how to achieve success with permeable pavements. This information is based on an informational survey completed by designers,...

Maintenance
While site selection and proper construction are the most critical factors in establishing that permeable pavements function as designed, all must be inspected and maintained to maximize...

Appendix A: Common Concerns Regarding Permeable Pavements Fact Sheet
Back matter pages come after the papers or chapters in a published work. This back matter contains common concerns regarding permeable pavements fact sheet....

 

 

 

 

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