Being inside a building during an earthquake is, at best, a little unsettling, but it’s extremely difficult to measure the movement of an entire building. Last year, researchers at MIT were able to use slow motion cameras to visualize how much a tower crane moved during normal conditions, which gave insight into the stress a crane undergoes. Measuring the effects of an earthquake is a little trickier, so the US Geological Survey (USGS) had to get a little creative to capture it.
USGS’ National Strong Motion Program is dedicated to recording the effects earthquakes have on our structures. They currently have sensors loaded in more than 660 ground sites and more than 180 buildings, bridges, dams, and other structural arrays. Most sites, for obvious reasons, are located in the Western US. Each building contains anywhere from 3 sensors (Desert Center, CA’s Hinds Pumping Plant) to 72 (Rincon Hill Tower in San Francisco and UCLA’s Factor Building in Los Angeles).
The Frontier Building is the subject of the video below. Built in 1982, the 219 feet (67m) tall building is the home to many State of Alaska offices in Anchorage. On January 24, 2016, the building was rocked by a 7.1 magnitude earthquake. Thanks to the USGS’ 36 sensors located in and around the building, we are able to see exactly how a building sways, twists, and shakes during a catastrophic event like this. To help visualize the event, the motions have been magnified by 300x their actual movement, so it looks a little more dramatic than it actually was. This research does, however, give designers key insight to real world conditions which could prove or disprove their calculations.
Video below was uploaded to Youtube by USGS.
[guest post] It’s a morbid statistic, but the construction industry experiences more workplace deaths than any other. With so many potential hazards, heavy-duty machinery, and power tools, it’s perhaps not surprising that serious accidents are relatively commonplace.
Even though we’re over a year into the COVID-19 pandemic, the virus is still threatening the health of construction’s workers and taking a toll on project timelines. It’s likely that your company has already determined the best course of action to help mitigate the risk of spreading the virus on your jobsites, but it’s never too late to learn from another contractor.
It’s been a little over a year since the coronavirus pandemic sent the entire world into a period of uncertainty, heartache, and panic. The construction industry itself has undertaken many different challenges, above and beyond keeping their people safe on the jobsite, many of which no one could have expected.
“You make a better door than a window!” is what I imagine loader operators constantly yell at the bucket in front of them (or maybe I’m just projecting based on my experience of having the habit of sitting right in front of the TV as a kid). Either way, operators may not be yelling that in the future, as equipment manufacturer, Doosan, has introduced what they claim is an industry first “transparent” bucket.
Reducing dust when cutting tile is important for many reasons (including safety and cleanliness), but wet tile saws can be a pain to use, with the slurry created spraying all around the work station and cold weather making the saw much more difficult to use outside. iQ Power Tools has a solution for that: the world’s first 7” portable dry table saw with integrated dust control.
In the construction industry, falls from height are continuously the leading cause of jobsite injuries, fatalities, and, as a result, OSHA citations. From May 3-May 7, OSHA invites construction employers and stakeholders to take part in their 8th annual National Safety Stand Down to Prevent Falls in Construction.
On Tuesday morning, February 23, the Syracuse Fire Department responded to a call about a collapsed crane on a construction site near the university. Thankfully, no injuries were reported.
It seems a little odd to be talking about air-conditioning when much of the United States hit some incredibly low temperatures in recent days, but a product that I learned about recently is just too exciting to ignore. Announced at CES 2021, a research company has unveiled an air-conditioned hard hat (ACHH) that can reduce the ambient temperature up to 22 degrees Fahrenheit!
2020 was a challenging year in many respects, but none greater than from a safety standpoint. The coronavirus pandemic placed the notion of “people over profits” under the microscope, while also balancing the needs of their employees to continue to make an income under difficult circumstances. While the pandemic was a large part of the construction safety conversation last year, there were several other developments to take note of for your projects in the future.
Last summer, Hilti announced that they had developed their first exoskeleton designed for construction tradespeople in a partnership with Ottobuck, a prosthetics, orthotics, and exoskeleton provider. Earlier this month, Hilti officially released the exoskeleton, announced more details, and published its retail price on their website.