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DO NOT TAILGATE THIS BAD BOY❗
Science girl - Can you explain what this is?
Source: https://twitter.com/gunsnrosesgirl3/status/1787372723154330088
Thumbnail: https://www.supplypost.com/news/2019/2/albertas-heaviest-ever-road-move
Image itself wasn't available, but did find whom would be capable of performing such a move - just an excerpt:
Road moves of such unprecedented magnitude and complexity call for meticulous planning and cooperation. Planning this one started as far back as 2013, well before the decision to commence fabricating the giant vessel.
First, the proposed configuration was presented to stakeholders for consideration. The main factor in choosing the transport method was, will it distribute the load to stay within pavement and bridge loading restrictions? Pavement and bridge analyses were conducted by independent experts to ensure no damage to existing facilities would happen. And a thorough evaluation of the entire route was undertaken to make sure a load this large could negotiate all corners with minimal infrastructure improvements.
Some of the required specialized equipment came from as far away as Texas. “The trailers used were two 26 Line 4-file hydraulic platform trailers bunked with 710T turntables with load spreading mats,” explains Craig Middleton, Sr. Project Manager at Mammoet, the heavy-lift firm that handled the move. Both front and rear trailers were connected to the vessel through the turntables to allow pivoting around corners.
The load spreading mats’ purpose was to ensure the loads were distributed so as not to exceed allowable road and bridge limits. “They are essentially a series of large structural beams welded together to form a base for the turntables large enough and strong enough to put the weight of the vessel into the length of the trailer,” says Middleton. From there, the axles receive the weight through hydraulic pressure. Each axle is centred around a hydraulic cylinder that is fluidly connected to the neighbouring cylinders in the hydraulic field (four fields per trailer for stability). Dedicated operators controlled the load level to ensure stability was maintained.
“In total, we had eight counterweighted tractor units pushing and pulling in various configurations.” A lot of wheels in all: 912 tires – 832 for the trailers and 80 on the trucks.
Loading the vessel onto the trailers called for a number of steps as it was received too low and close to the fabricator’s shop. So Mammoet crews first needed to relocate it within the yard. Using 300T climbing jacks they raised it and drove self-propelled modular transporters (SPMTs) under it. In total, 48 axle lines of SPMTs were used: 24 for each end. Once relocated, the same climbing jack process was used to raise the vessel and lower it onto the highway trailers.
Read the rest at the thumbnail URL
Category | News & Politics |
Sensitivity | Normal - Content that is suitable for ages 16 and over |
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