how much concrete was used to build the hoover dam?
369125
4.36 million yd³ (3.33 million m³)
566639
Lake Mead at Boulder Dam -largest artificial lake
1062234
Use the regular "concrete mix design" and add a "water reducing admixture".\n\nThe water reducing admixture type should be selected so that it does not require a reduction in the amount of "cement" that was in the original concrete mix design.\n\n(Note that a standard concrete mix design includes such things as __% of aggregate (rocks), __% of sand, __% of cement, __% of ash, __% of water, etc. and it does not normally include a water reducing agent.  It would be an additive supplement.)
22240
My understanding is that it comes from cement trucks.  Cement trucks (apparently) carry nine yards of ready-mix concrete.  When they have emtied their entire load, they have dropped "the whole nine yards".  I've also heard that it comes from sailing (as do tons of sayings like that), but the cement-truck explanation seems pretty plausible to me.
145334
Multiply cubic feet by 7.481 to get gallons.
81694
Around here it is used as land fill for road construction, particularly where a road is constructed  or widened over a river just before a bridge abutment.\n\nWe build what is called a "causeway" (like over Lake Pontchatrain) which is rapple old highway, buildings anything of substancial strength allowed to settle into the mud and distribute the weight of the road over a large  triangular area.  The structure must float as we do not have a granite sub-structure in the soil.  I am in the southern soil area and everything here is built on piling that is simply driven into the sand / mud which lies several feet beneath us! When  three hammer blows only make the pile go down so  many inches then it will support so many pounds of weight by friction!  There is no rock bed.  Our structures literally float on friction.  Up north like New York the buildings are set on solid rock!  In New Orleans the buildings are literally floating on piling! \n\nOld stuff can be quite useful,  do not know where the above individual is from or what kind of concrete he is refering to.  I am refering to poured reinforced concrete, broken up by gravity and explosives as well as mechanical ball.\n\nHave a good day.\n\nPLEASE DO ME A FAVOR AND BREAK THE TIE ON THE QUESTION YOU ASKED ABOUT RADAR , SO ONE OF US GETS THE POINTS .... THANK YOU !!! \n\n\n\nTHANK YOU!\n\n\nAPS
1010518
The grade of portland cement (a hydraulic cement commonly used in construction) refers to the compressive strength of a mortar cube prepared with that cement and measured after 28 days of curing. The strength of a mortar cube made with pure cement of grade 33 is expected to be at least 33 MPa (Million Pascals) after it is cured for 28 days. Similarly, the strength of the cube made with Grade 53 cement is expected to be at least 53 MPa.
974254
Construction & Use Regulations.
570407
70% concrete, 30% sand... errr grave? ain't know nothing about grave... concrete you're asking, not cement? oh sorry... school asignment... err simply put in like 52% concrete, 25% sand, 2% grave, 13% rods... and 20% water... ehhem... have you got 100% in total? please adjust the balance with water composition.
1067507
Well, generally speaking it requires around 2000 PSI to fail the concrete blocks.
347282
The concrete formula has a very low "slump".  "Slump" is a measure of how much the concrete will move while its wet.
969767
It depends on the density of the concrete.\nThere are 40.5 (3*3*4.5) cubic feet, or 1.5 cubic yards in your problem\n\nHowever, here is a concrete calculator:\n\nhttp://www.decks.com/calculators/concrete.aspx\n\nThis gives an answer of 60.8 80lb bags.\nThey are therefore assuming a density of ~120lb/cubic foot\nConcrete is usually between 90 and 125lbs/cubic foot.\nhttp://hypertextbook.com/facts/1999/KatrinaJones.shtml\nAt 90 lbs/cubic foot you would need 45.5 80 lb bags.\n(The bag should tell you what the ratio is for optimal concrete with their product.  Just remember that you need 40.5 cubic feet and calculate using their numbers.)
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Want to see something neat??\n\nType "19 gallons in cubic feet." into google.\n\nWorks for all kinds of conversions.
362687
I found several sites using- tons of gravel per 100 sq ft - as the search term\nA couple sites are listed below.
75672
Concrete (made using cement) is durable and strong and will not melt.  It can be poured from trucks into partially completed bridges using iron rebar before it has its own strength rather than spread and rolled like asphalt with heavy equipment that would need special support (meaning more steel).  After the concrete hardens and cures, it can support the weight of powers rollers but not before.
610522
The United states Army corp of Engineers was the major builder, with lots of help from panamanieans and americans alike. It was built in the early 1900's (1904-1914)
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Yes. I suggest the Hoover Dam or the Three Gorges Dam, as they already have sizeable plants set up...\n\nIf you want some demonstrations, I suggest you check out the source I provide below.