MikeandDow

I am Very familiar with ISO and ASTM standards ( MS is a common nick name for Mass spectrometry) astm standard for rebar also covers "Mass per meter" ASTM A615/A615M-16 this goes into the rebar Structural Integrity and Load-Bearing Capacity also the profile, according to earlier news the rebar failed the Mass per meter test, and you are correct there is a vulnerability in the system has been known for years, mill /heat cert forgery not only for the billet from the furance but in product of pipes rebar ect ASTM is a compicated Standard and very stringent now there is another problem in the mix we are asumming !! that the steel IS to comply with ISO/ASTM standard China has its own standards !! never worked with chinese standards if you note they do not say what standard they are testing too

Yes tend to agree there are several factors for this collapse building are involved but you can cross of the list concrete not properly cured the structure was completed in april 2024 the concrete was a year old before it collapsed

What !! standard ?? ISO, ASTM or some other weird chinese standard did they do a Izod impact strength test, a common method for determining a material's resistance to impact, did the rebar profile comply ?Concrete-Rebar Bond Strength Test ? IF the steel is ok are they testing the concrete

the guy should be in jail for what he has done to the thai people

Basicly there are four thing need to be checked Paper work. P/O, NCRs. RFI, mill/heat certs ect time frame 1 week Rebar destructive testing and MS 1week concrete MS testing 1week modelling of design on PC 1 week Max 6 weeks this guy is starting to cover this up months my axse

Dont worry china it will all be coverd up back to normal in a couple of weeks

Yes agree cover up comming, the design was just part of the collapse still questions on the materials used, corruption, collusion but will all be covered up

YES and laos rail as well

We are still in the dark in regarding testing of the steel not 100% if certs have been falsified to only way to test that is by chemical or MS testing, it is unknow if this has been carried out, but i would not put this past the chineses to do this alter the certs, would like to know how you think they would be found out quickly of bogous mill/heat certs, destructive testing is carried out as a matter of course but not chemical or ms testing and that is the oly way you could prove if a mill/heat cert is false part of this joint venture was a testing company for the material on site dont you think money would have changed hands It is not normal on a delivery of steel reo to do destructive testing on each batch you ask for the mill/heat cert which should give you all the info you require, without seeing what the spec calls for in reo it is unkown ? lots of questions can be asked about the steel was boron added boron steel is not good for compressive load, or was it just carbon steel which is not good for prestressed concrete As i said it is Not normal to request chemical nor MS testing to be done in a project destructive testing yes but only if some thing is suspected

This just shows how stupid thailand is they only do due Dillagence after the fact !!

We will never hear the outcome big cover up thailand has been told dont blame chinese steel nor chinese companys can not blame Anutin cement can not blame design goverment approved it only way drag it out it will be forgotten

(This unusual design could contribute to structural instability. ) they (the goverment) aproved the design by committee. this is all a cover up all this can be modelled on a pc not in months but days total BS

They say ( the goverment ) are checking everything they should be checking the cement content and the concrete, I dont think they know how big of a can of worms they have opened, if the mill/heat certs have been forged this can effect other countrys who have bought the steel as well

If the mill/heat cert is forged god knows whats in it!! big big can of worms, where is all that steel gone it could be in pipe plate ect you are looking at 400 tonnes up in a Basic oxygen furnaces,

And so should the workers not feel safe !! it is not only the constructor to be held account but also the goverment to allow a corrupt contractor to build theses project, where was the goverments due dillagance in allowing this contract who had never build a tower outside of china before, was there any goverment checks NO ! who approved the design the goverment they must have know that this type of design was not recommend as quake proof how do you prosecute an international company without evidence i agree with the above poster you need to get a clue before posting this nonsence

oh forgot about Mass Spectrometry wonder how far they are going, the steel is just a part of this not the whole cause its a big can of worms they have !! if the steel is not to spec you are also looking at the mill/heat cert being forged that means where the billet was cast as well

they really dont say what is wrong with the reo steel not to spec, profile of the reo, depth ridges on the bar ??

Oh yes the heat certs at best guess bogus for sure

would have to be chemical they need to check the boron level in the steel yes think the standard Bend Test, sharpys, Elongation, wonder if they going to check concrete composition

He wants to buy seismographs budget 9 million baht and put them in tower buildings , you can buy the machine for 40,000 each the best placement is seismographs are ideally placed in quiet, remote areas on hard rock, far from noise sources like traffic and industry, and preferably in subsurface locations for temperature stability. is this not blatent courupption !!!! does nobody do research or due diligence when spending tax payers money Thailand should be ashamed letting people do this

wonder what tests they plan to do??

The design of the building was supposed to be Quake proof meaning the building was to be flexable to a degree (sway and absorb shock)Boron, when added to steel rebars, significantly enhances hardenability, leading to increased strength and durability, particularly in low-carbon steels, making them suitable for applications requiring high strength and toughness. If boron content in steel rebars exceeds certain limits, it can lead to problems like reduced toughness, embrittlement, and increased hardness, especially during welding, potentially causing cracking and snapping. Using Boron steel in rebars are also not good at load bearing

He wanted to buy seismographs budget 9 million baht and put them in tower buildings , you can buy the machine for 40,000 each the best placement is seismographs are ideally placed in quiet, remote areas on hard rock, far from noise sources like traffic and industry, and preferably in subsurface locations for temperature stability. is this not blatent courupption !!!! does nobody do research or due diligence when spending tax payers money Thailand should be ashamed letting people do this if due diligence was conducted you will see that the guy who gave the speech was right Bangkok is NOT in a earthquake zone it happened 1500klms away, seismic shock waves and bangkok being bulit on a swamp caused the damage

same here they can come and knock on the door

Why are they allowing a convicted felon to talk goverment policys, this is a farce !!