Read more about the technical challenges and rising costs of the Highway 99 tunnel project, and the successes and travails of Bertha, the biggest-ever boring machine.
6 monster machines that are changing construction: #1 The ScreedSaver BOSS 240 smoothes out concrete using rollers and blades. It uses GPS to ensure accuracy. #2 The Hunklinger makes bricklaying much quicker.
CALIFORNIA Los Angeles. Crenshaw/LAX / Walsh/Shea Corridor Constructors This $1.278 billion project for the Los Angeles Metropolitan Transportation Authority (Metro), being built by a joint venture of Walsh and Shea, is an 8.5-mile light-rail line that will run between the Expo Line on Exposition Boulevard and the Metro Green Line.
Looking back on 50 years of Seattle magazine (an evolution that started with Pacific Search, see "The 50-year Evolution of Seattle Magazine") can be humbling. Amazing inventions, people and ideas have come from the Emerald City.
Goldie M. Paider, 95, of Arcadia passed away on Thurs., May 10, 2018, at the Rose Lane Home in Loup City. Mrs. Paider's wishes were to be cremated.
The Large Hadron Collider, a particle accelerator located at CERN outside of Geneva, Switzerland, is the largest machine in the world: It has a circumference of almost 17 miles and took around a decade to build.
Bertha, the TBM manufactured and supplied by Hitachi Zosen to Seattle Tunnel Partners (STP) for the use of the SR 99 - Alaskan Way Viaduct Replacement Project, has successfully completed boring of the tunnel.
Follow Bertha Thank you for following Bertha. The SR 99 tunneling machine, nicknamed Bertha, has completed her work. For the latest tunnel progress, visit …
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Un túnel es una obra subterránea de carácter lineal que comunica dos puntos para el transporte de personas o materiales. Normalmente es artificial. Un túnel, o puente de bajar, puede servir para peatones o ciclistas, aunque generalmente sirve para dar paso al tráfico, para vehículos de motor, para ferrocarril o para un canal.
Any number of recent projects show just how crazy this idea is. The Big Dig in Boston. The fourth bore of the Caldecott Tunnel near San Francisco.
I seldom create responses, but i did a few searching and wound up here Brenda the Boring Machine rededicated at Maple Leaf Portal (PHOTOS). And I actually do have a couple of questions for
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Mar 27, 2018 · SEATTLE -- Bertha finished boring the path for a new tunnel under Seattle nearly one year ago.. Since then, construction crews have finished installing a double-deck highway end-to-end inside the tunnel.
What is the mysterious 'unknown object' blocking progress of huge drilling machine boring out new highway below Seattle? The highway tunnel …
The SR 99 Alaskan Way Viaduct, an elevated concrete structure built in the 1950s and vulnerable to earthquakes, is being replaced with a 1.7-mile tunnel running beneath downtown Seattle.
A tunnel boring machine (TBM), also known as a "mole", is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata.They may also be used for microtunneling.