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General Discussion

bemildred

(90,061 posts)

43. Yeah, you can't always find volcanic ash handy.

Reply to hunter (Reply #41)

Wed Dec 17, 2014, 05:06 PM

Dec 2014

And the Romans were not known for their sensitivity.

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Why the Pantheon has not crumbled: Roman concrete mortar used secret ingredient that could reduce [View all] bemildred Dec 2014 OP

Well those folks in Montserrat malaise Dec 2014 #1

Plenty of ash laying around. bemildred Dec 2014 #2

We tend to scoff at the ways of the ancients. BKH70041 Dec 2014 #3

The old Chinese mortar mixed with sticky rice water was another great innovation, rediscovered bhikkhu Dec 2014 #29

Is there a ready supply of volcanic rock that can be used? If so, that's fantastic! djean111 Dec 2014 #4

I doubt it was just a matter of convenience. bemildred Dec 2014 #8

You are right, of course. djean111 Dec 2014 #14

Cool. Marking to read later. tanyev Dec 2014 #5

They also had concrete that didn't deteriorate in salt water. hobbit709 Dec 2014 #6

Sorry, but this is hardly a new discovery. We have known about the use of volcanic ash in concrete FSogol Dec 2014 #7

Well the story is that now they know why. nt bemildred Dec 2014 #9

The professor in my Structural Engineering class back in '92 seemed to know why. FSogol Dec 2014 #10

He knew about the "dense intergrowths of the platy crystals"? nt bemildred Dec 2014 #11

No, it's actually old news too. I learned of it when I was googling around about NewDeal_Dem Dec 2014 #33

That's why it's in General Discussion, not LBN? nt bemildred Dec 2014 #36

I guess so. I was just responding to your statement. NewDeal_Dem Dec 2014 #37

"The old ways are best"? bemildred Dec 2014 #38

No. I got from *your* statement that this was new news in the sense you stated, NewDeal_Dem Dec 2014 #39

Ah, you think stories are news. nt bemildred Dec 2014 #40

Unsure why you choose to be combative. Goodbye. NewDeal_Dem Dec 2014 #44

Adios. nt bemildred Dec 2014 #45

Concrete mortar? Lame! Jesus Malverde Dec 2014 #12

Those crazy Incas! FSogol Dec 2014 #13

machu picchu? Kalidurga Dec 2014 #15

Saksaywaman Jesus Malverde Dec 2014 #16

LOL. +1. bemildred Dec 2014 #17

Just amazing! Scuba Dec 2014 #18

Goes to show you packman Dec 2014 #21

Wow, I've always been amazed by these. BeanMusical Dec 2014 #25

They Need To Start Using It For The Chicago Area Streets...... global1 Dec 2014 #19

The Pantheon! One of the wonders of that age. Made so well that even the barbarians left it be FailureToCommunicate Dec 2014 #20

Old news packman Dec 2014 #22

Well ... yeah ... I saw this on some TV show ages and ages ago ... eppur_se_muova Dec 2014 #23

I doubt that they used ash from that particular eruption of Mt. Vesuvius. BeanMusical Dec 2014 #24

I never let facts get in the way of my postings packman Dec 2014 #26

Sorry, the *original* Pantheon was built by Marcus Agrippa, KitSileya Dec 2014 #42

Gonna see them in two weeks. CBGLuthier Dec 2014 #27

IIRC most of the ash came from near Mt. Vesuvius. Odin2005 Dec 2014 #28

Byzantium: ooooh, you mean that old recipe? suuuuure you can have it; we have our own now ... MisterP Dec 2014 #30

Volcanic ash LibertyLover Dec 2014 #31

Thank you, didn't know that. nt bemildred Dec 2014 #32

Yeah, but whats the profit margin? joeglow3 Dec 2014 #34

The ground bones of barbarians they conquered? Arugula Latte Dec 2014 #35

Then again, the Romans made a lot of cut-down-all-the-trees mortars and plasters too. hunter Dec 2014 #41

Yeah, you can't always find volcanic ash handy. bemildred Dec 2014 #43