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Vasa Croe
reply to post by AbleEndangered
Simply showing that it can be done...did not say they had to use the same exact tools....the principles are there.
Kind of like computers these days....it isn't like we forgot how to make them and then re-made them...we built on tech and ideas from prior years and knowledge.
benrl
All it takes for me to dismiss every "conspiracy" regarding monolithic structures in history is to remember one thing.
The power of human ingenuity.
Watch the vid, One man splits a 26,000lb slab, using simple concepts, leverage is a hell of a thing.
Now imagine a few 100 in a society that is dedicated to building in this manner, working at it like a normal 9-5 with nothing but time on their hands.
I always feel the Monolithic structure threads that suggest "outside" help are grossly underestimating the power of the human brain.
blackthorne
very ingenious of him. but you miss one thing in these megaliths. no residual holes left in them.
benrl
I always feel the Monolithic structure threads that suggest "outside" help are grossly underestimating the power of the human brain.
In order to accurately split hard stone such as granite, a series of small holes are chiselled out, then filled with wood fibres which expand when soaked in water, thereby splitting the stone.
d8track
reply to post by benrl
This idea for splitting stone is very old and does not require iron tools. The Egyptians used this to cut all types of stone. They used tempered cooper cold chisels to make the holes then filled the holes with wood or papyrus fibers and soaked them in water the fibers expanded and broke the rock.
Quarry Marks: (Construction Techniques)
In order to accurately split hard stone such as granite, a series of small holes are chiselled out, then filled with wood fibres which expand when soaked in water, thereby splitting the stone.
No iron wedges required. Just wood and water.
Vasa Croe
RedShirt73
benrl
RedShirt73
reply to post by AliceBleachWhite
Please explain Baalbek? Yes, I would agree that these were stoneaged peoples using only the materials they had from nature plus their brains, but a 1500 ton stone?
Yea no clue how man could move blocks with... oh wait.
The human mind is the most powerful tool ever devised, I think its so sad people refuse to recognize the power we all hold in our minds.
So far he's managed to move a barn weighing, I would guess (more then likely I'm wrong about the barns weight as it maybe more) about 10 to 15 tonnes but how about a 1500 ton block? That's a far cry from 10 tonnes, but then again the same principles apply all you need is more leverage, lol. I'd like to see this guy try that, lol.
Ummm...that is ONE guy moving it. Now imagine a crew of thousands.....I am pretty sure using even this one possible technique it would be done without much effort. All you are talking about is 9-14 more people, if that is even needed....could be less seeing that this guy is not exactly at his peak for age and fitness.....
pauljs75
Before steel, bronze alloys were used in the same role of the wedges this guy is using...
As for moving very huge blocks with limited manpower, I think that some kind of form which forms a cylinder is placed around the block and simply rolling suffices. (Looking at it side-on, it's like drawing a circle around the square.) This would be the way to do it, and this is much smarter than dragging it or using small rollers of some sort underneath. Why?
The answer can be found here:
en.wikipedia.org...
(Coefficient of rolling resistance) = Square root ( (sinkage depth) / (diameter of wheel))
So let's plug some numbers in. Let's try some quick work with a granite cube, 2m on a side. That's pretty big, right?
So how heavy is this big ol' block?
That's 8 cubic meters. Density of granite is about... 2.75g/cubic centimeter. So 8,000,000 cubic centimeters...
2,909,090 grams... Or about 2,909 Kg.
Fairly hefty, right? I know I can't budge that.
So how does the cylindrical form with the cube cut out factor in? Since the cube is sectioned fairly cleanly out of it, the diameter is the same as the diagonal of a cube face which is a square. So that's 2.83m
Sinkage depth? Let's say the ground surface this thing is rolling on is fairly solid and compacted. No more than 2cm of deformation should seem about right. That's 0.02m
So our coefficient of rolling resistance is... Square root of (0.02/2.83) = 0.0841 in approximate terms.
So how much force is needed to budge this block weighing 2,909Kg? Multiply that by the coefficient of rolling resistance of 0.0841and you get... 244.6N
Or in imperial units, that's approximately 55 lbs-force to move a block weighing 6,413 lbs. However that's pushing it straight on the side. Pushing it in the direction where you want it to go near the top, or using a lever arm - gains mechanical advantage. So sticking a lever of reasonable length in the side and using a torque action instead of pushing it can cut the force needed to get it moving down to an easily manageable amount for a typical person.
Of course the values are approximate, but they should be in the ballpark. (The weight of the forms isn't in there, but a few hundred extra pounds isn't going to hurt too much with the mechanical advantage available.) Feel free to look at the formulas and re-do the math yourself if you think I messed up anywhere.
I'm no genius, but I wonder why engineers researching the topic overlooked this KISS approach to doing things? (That one guy in Ohio was on the right track, and this is an extension of that approach.) Isn't rolling resistance a topic covered in an introductory 101 type course?
Or it could be some fancy acoustic levitation requiring just the right harmonics at high decibels that hasn't been proven on a large scale, if not... ahem... Aliens!
teachtaire
The statues are grossly cylindrical.
The easiest way to move a cylinder is to roll it.
I'm guess that rather than aliens or jean grey, they were rolled on their side into position and then raised up.
If that is the case, it'd be logical to assume that a small pit would have been dug at the base of the statue in order to make the process of vertical orientation easier.
Assuming the soil wasn't very firm, and the original pit wasn't reinforced, then the sinking process could have been accelerated.
This is further effected by the small footprint of the base which increases the pounds per square inch excreted by the statue on the ground.
That is what I think, not that it really matters much.
*note* that by rolling a supine moai, the principals of leverage are very easy to use.edit on 1111112222 by teachtaire because: (no reason given)