Room To Grow
The Victoria and Albert Museum, London’s renowned decorative arts and design museum, has unveiled a new, expansive underground exhibition gallery topped by an elegant courtyard. The need to maximize the...

The Long Road Back
The U.S. economic recovery following the Great Recession is one of the longest on record, but even after a decade, infrastructure spending still lags. Here is what experts expect in the engineering and...

Supertall in Seoul
The first supertall building in South Korea, the 555 m Lotte World Tower, in Seoul, features a gently curving, tapered shape and a mast, dubbed the “lantern,” that consists of two separate diagrid structures...

Dramatic Production
The Yard at Chicago Shakespeare offers a configurable space for theatrical performances of many sizes beneath an existing protective tent. By fully modeling the oddly shaped space and carefully considering...

Preparing for Inundation
Tsunamis might be infrequent and localized, but their impact on coastlines can be catastrophic. Over the past 10 years, engineers have been gearing up to better prepare structures and communities for inundation....

Calibration of Jackup Leg Foundation Model Using Full-Scale Structural Measurements
The fitness of jack-up rigs to operate in varying water depths and weather conditions is determined by "site-specific" structural assessments. These assessments are conducted by a wide range of companies...

What Does the Crystal Ball Say? Energy and Water Issues Are Too Great to Ignore!
Over the past 15 years, the Geoprofessional Business Association's (GBA) Emerging Issues and Trends Committee has held a series of Crystal Ball Workshops (Workshops) to identify long-term emerging issues...

Raising Gatun Lake (part of "A Greater Wonder")
Raising the maximum operating level of Gatun Lake was one of the four main undertakings of the Panama Canal expansion project. Its goal was to increase the storage capacity for water used for human consumption...

Cracking the Nuclear Code: Finding an Alternative to the Nuclear Density Gauge
Two of the most basic quality control tests made in the field during soil construction are the soil’s moisture content and density. The establishment of a uniform procedure to compare the performance of...

A Faculty Internship: Reconnecting with the Profession
After spending eight years as a full-time academic administrator at Lafayette College in Easton, PA – one of only a handful of institutions where discipline-specific engineering programs are embedded in...

Optimized Drilled Shaft Design through Post-Grouting: Shorten That Shaft for Better Performance
Tip post-grouting is a technique used to inject, under pressure, a neat cement grout beneath the base of a drilled shaft. This method enhances or improves axial load-displacement performance by increasing...

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...

Geotechnical Delivery on Mega Transportation Projects: Challenges of Accelerated Delivery
Transportation projects have traditionally been delivered through the design-bid-build (DBB) delivery model, which continues to be the preferred method of delivering the majority of smaller and more traditional...

Performance-Based Earthquake Engineering: What Can It Do for You?
There's been a lot of talk, and some confusion, lately about performance-based earthquake engineering (PBEE). Many geotechnical engineers wonder -- what is it, how does it differ from what I've been doing,...

Geosynthetic Materials Help Build Optimized Infrastructure
In recent years, the world has begun to realize the negative impacts that limited infrastructure can have on economic growth and the well-being of humankind. Our infrastructure challenges...

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....

General
Design of Latticed Steel Transmission Structures specifies requirements for the design, fabrication, and testing of members and connections for electrical transmission structures. These...

Loading, Geometry, and Analysis
This Standard applies to latticed steel transmission structures. These structures shall be either self-supporting or guyed. They consist of hot-rolled or cold-formed prismatic members...

Design of Connections
Bolted connections for transmission structures are normally designed as bearing type connections. It is assumed that bolts connecting one member to another carry the load in the connection...

Pipe Characteristics
Microtunneling pipe should meet the following general requirements: Circular shape with a flush outside surface (including at the joints); Strength sufficient to withstand both the installation...

 

 

 

 

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