Page 45 - Bridge Construction News Today

Bridge. i thought it was a car accident. i was nowhere near the bridge. i was already walking to campus. and my girlfriend called me and said something is going on. im going to go see whats up. she walked over and maybe 20 seconds later she called me almost crying saying jonathan, the bridge collapsed. at that point, i was just walking into my professors office and told him, you know, the bridge collapsed, weve got -- like lets go. we both started running over to the intersection. at that point,...

A bridge like this? >> in the past they may have constructed it in place with multiple shorings but that disrupts traffic and causes a lot of detours. abc, accelerated bridge construction, can minimize disruption to the traffic underneath. thats an advance. it started out, i believe, in utah. departments of transportation used it out there. its been advocated across the country as a better way to do construction in terms of minimizing disruption to traffic. >> andy herrman, former president of t...

Bridge construction and engineering. department of civil and structural engineering at the university of buffalo. thank you so much for joining us. based on what we just heard from kaylees report and the aerial images of the bridge thats now collapsed whats your read on what happened? >> well, as i just heard, it accelerated construction, which means less disruption to traffic and construct the bridge very quickly. however, this system paid careful attention to detail during construction because...

Up but also the temporary supports because the bridge is in a different loading condition as theyre erecting the bridge. theres a number of things that have to be looked at, the initial erection and the final conditions. >> would you be worried about the structural integrity now as first responders are trying to get to people trapped underneath, what are the challenges in making sure that theyre not doing more harm in trying to save people? >> they have experts there. someone said earlier its si...

It was just a chaotic scene. >> jonathan, you witnessed so much. i imagine youre still just trying to process what you experienced. right now were looking at a couple of different images. one obviously an aerial, overhead shot of that scene where we see a plethora of emergency crews and personnel on scene. last check they were still working to secure the rest of that bridge and then working to help those patients who may be injured. several people confirmed dead with multiple cars crushed undern...

Path to take it safely to the ground is not there because the structure is still under construction. it is a novel system to do accelerated bridge construction. however, the details of construction are extremely important and crucial to the safety as we see in this particular example. i dont know the system that they are talking about, because i just watched the news and i saw some little details. thats my take on this kind of construction. we have accelerated bridge construction and know these ...

A professor. we took a right turn on 109th avenue. we turned right underneath the bridge and turned into the parking garage that borders the bridge. as i was driving around, looking for parking, we both heard a large bang. we thought i had hit something so i parked and looked around the car and realized i didnt hit anything. i started to walk to campus. she stayed in the car. and as i started to walk to campus i heard people screaming and i saw police cars, campus police cars leaving from the fi...

Was sell very much a search and rescue situation. they asked the helicopters to back off so they could listen to see if there were sounds coming from any of those vehicles underneath the brim there. they had the k-9s out searching. they dont know how many people might be in those vehicles, but they believe it is still a search and rescue operation. were waiting for more information from law enforcement at this point. according to the miami dade mayor, he says there was at least one fatality. but...

Bridge built as quickly as possible. again by prefab rick ating portions of the bridge off site and installing it quick lirks and were look at an animation. this isnt real video, an animation once it is open and people are using i it was installed on saturday but not yet to be open for quite sometime. has this technology, accelerated bridge construction been around to have a safety record as compared to traditional bridge building. >> i would say so. the federal highway was tracking the number o...

A kind of super organism one that potentially has a lot of power. the skills of this next animal collective have astounded researchers. behavioral scientist christophe klein has been out collecting leaves for an experiment hes conducting with a small scale collective from the animal kingdom. he uses a hole punch to cut them into little morsels for his guinea pigs or in this case. he forgot to can carry over twenty times the body weight here in his laboratory the scientist has built a special bri...