1. Home
  2. News
  3. Roman Cement Lost

Roman Cement Lost

Jun 22, 2013· History contains many references to ancient concrete, including in the writings of the famous Roman scholarPliny the Elder, who lived in the 1st century A.D. anddied in the eruption of…

Get Price
News Detail
  • Mystery of 2,000 year old Roman concrete solved by
    Mystery of 2,000 year old Roman concrete solved by

    Some 2,000 years after they were first erected, Ancient Roman harbours made from concrete arestillstanding across Europe.Meanwhile, more modern constructions have proved far less durable,...

    Get Price
  • Ancient Rome Concrete Mystery Solved by Scientists Time
    Ancient Rome Concrete Mystery Solved by Scientists Time

    Jul 06, 2017· Modern cement mixtures tend to erode, particularly in the presence of seawater, but the Roman recipe ofvolcanic ash, lime,seawaterand a mineral calledaluminium tobermorite…

    Get Price
  • Scientist believes she's found the recipe for ancient
    Scientist believes she's found the recipe for ancient

    Jul 16, 2019· Jackson’s findings, published in American Mineralogist, claimthe unbreakable strength ofancientRoman concrete isdue toa rare chemical reactionthat …

    Get Price
  • We Finally Know Why Ancient Roman Concrete Outlasts Our
    We Finally Know Why Ancient Roman Concrete Outlasts Our

    Jul 11, 2017· "The recipe was completely lost," said Jackson, who is working with geological engineers to recreate the right mix, in a press release. Ancient Romans made concreteby mixing volcanic ash with lime and seawater to make a mortar,and then incorporating into that mortar chunks of volcanic rock.

    Get Price
  • Why 2,000 Year Old Roman Concrete Is So Much Better Than
    Why 2,000 Year Old Roman Concrete Is So Much Better Than

    4 JULY 2017. One of the fascinating mysteries of AncientRomeis the impressive longevity of some of theirconcreteharbour structures. Battered by sea waves for 2,000 years, these things are still around while our modern concoctions erode over mere decades.

    Get Price
  • Roman Concrete
    Roman Concrete

    Dec 09, 2020· Concrete tends to decay much faster in seawater than on land. However,Roman concrete didn’t sufferfrom this. In fact, it got stronger the longer it was in seawater, which is totally counter-intuitive. Probably the best-preserved example of Roman concrete used in seawater can be found in the ancient port city of Caesarea in Israel. Built by Herod the Great, the breakwaters used in its harbor are …

    Get Price
  • How the Secret of Concrete Was Found, Lost, and Found Again
    How the Secret of Concrete Was Found, Lost, and Found Again

    Oct 12, 2017· The most comprehensive surviving text on Roman concrete isVitruvius'sOn Architecture. However, that volume predates the construction of the Pantheon by …

    Get Price
  • Researchers discover secret recipe of Roman concrete that
    Researchers discover secret recipe of Roman concrete that

    Dec 18, 2014· TheRomanPanethon, a hugeconcretebuilding that has endured for nearly 2,000 years. Source: BigStockPhoto. “Made entirely out ofconcrete, without the reinforcing support of structural steel, no modern engineer would dare attempt such a feat, says David Moore , author of TheRomanPantheon: The Triumph ofConcrete.

    Get Price
  • Seawater is the secret to long lastingRoman concrete
    Seawater is the secret to long lastingRoman concrete

    Romanpiers and other harbour structures built using an ancientcementmix have lasted for millennia. Ancient Romans builtconcretesea walls that have withstood pounding ocean waves for more than ...

    Get Price
  • How the Secret ofConcreteWas Found,Lost, and Found Again
    How the Secret ofConcreteWas Found,Lost, and Found Again

    Oct 12, 2017· The most comprehensive surviving text on Roman concrete is Vitruvius's On Architecture. However, that volume predates the construction of the Pantheon by about 150 years. When the Western Roman...

    Get Price
  • Mystery of Ultrastrong Roman Concrete Solved NOVA PBS
    Mystery of Ultrastrong Roman Concrete Solved NOVA PBS

    Jul 11, 2017· Scientists analyzed the chemistry of the ruins from four sites along Italy’s Mediterranean coast, discovering that theRoman concretewas made of rare volcanic ash, minerals, lime, and chunks of ...

    Get Price
  • Whymodern mortar crumbles, but Roman concrete lasts
    Whymodern mortar crumbles, but Roman concrete lasts

    Jul 03, 2017· Why modern mortar crumbles, but Roman concrete lasts millennia By Zahra Ahmad Jul. 3, 2017, 1:00 PM Modern concrete—used in everything from roads to …

    Get Price
  • Amazing Ancient Roman Concrete A I F E D S E
    Amazing Ancient Roman Concrete A I F E D S E

    The art of Concrete was lost to the world after the fall of the Roman Empire. An inferior concrete “portland cement” was invented in the 1824 that is still in use today. The first use of the somewhat distorted term “Byzantine Empire” to label the Roman Empire was in 1557, when the German historian Hieronymus Wolf published his work Corpus Historiæ Byzantinæ.

    Get Price
  • Why Ancient Roman Concrete Is SoStrong Smart News
    Why Ancient Roman Concrete Is SoStrong Smart News

    Jul 05, 2017· “The recipe was completely lost,” says Marie Jackson, a geologist who led the study, in a press release. But modern-day chemical analysis could …

    Get Price
  • Beyond the Ordinary How welost the recipe for concrete
    Beyond the Ordinary How welost the recipe for concrete

    Oct 04, 2010· The Persians, Egyptians, Assyrians, and Romans all famously used concrete to give their structures a longevity and strength which has enabled some to survive to this day. Unfortunately sometime during the fall of the Roman empire our …

    Get Price
  • Top 10LostTechnologies We Really Could Use Today
    Top 10LostTechnologies We Really Could Use Today

    Aug 01, 2014· Like so many technologies of the Greeks and Romans, the recipe for concrete was lost during the descent into the Dark Ages, but just why remains a mystery. The most popular theory is that the recipe was something of a trade secret among stonemasons, and that the method for making cement and concrete died along with those who knew it.

    Get Price
  • The Secret Ingredient in AncientRoman Concreteis
    The Secret Ingredient in AncientRoman Concreteis

    Jul 03, 2017· While modern marine concrete structures crumble within decades, 2,000-year-old Roman piers and breakwaters endure to this day, and are stronger now than when they were first constructed. University of Utah geologist Marie Jackson studies the minerals and microscale structures of Roman concrete as she would a volcanic rock. She and her colleagues have found that seawater filtering …

    Get Price
  • Seawater is the secret to long lastingRoman concrete
    Seawater is the secret to long lastingRoman concrete

    Romanpiers and other harbour structures built using an ancientcementmix have lasted for millennia. Ancient Romans builtconcretesea walls that have withstood pounding ocean waves for more than ...

    Get Price
  • The Riddle of AncientRoman Concrete, David Moore, PE
    The Riddle of AncientRoman Concrete, David Moore, PE

    Dusty ancient history books taught us thatRoman concreteconsisted of just three parts: a pasty, hydrate lime; pozzolan ash from a nearby volcano; and a few pieces of fist-sized rock. If these parts were mixed together in the manner of modernconcreteand placed in a structure, the result certainly would not pass the test of the ages.

    Get Price
  • In search of thelost art of ancient Roman concrete
    In search of thelost art of ancient Roman concrete

    Jul 14, 2017· The only problem is, the Romans’ recipe was lost long ago. Now, The Guardian reports, scientists are closer than ever to uncovering the mystery. Analysis has revealed the ingredients include: a mix...

    Get Price
  • Ancient Roman concrete has lasted for centuries. Ours Not
    Ancient Roman concrete has lasted for centuries. Ours Not

    May 14, 2018· Perucchio said that if an architect today were to file paperwork intending to build the Pantheon — theRomantemple that has a 142-foot-high unreinforcedconcretedome, …

    Get Price
  • CementMakes the Modern World Possible The Atlantic
    CementMakes the Modern World Possible The Atlantic

    Sep 14, 2014· But at some point between the rule of the emperor Hadrian and the end of this past millennium, the recipe for Roman concrete was lost. In the second half of …

    Get Price
  • Scientists Discover that AncientRoman Concretewas Far
    Scientists Discover that AncientRoman Concretewas Far

    Jun 06, 2013·Roman concreteproduces a significantly different compound to modern day Portlandcement, which is an incredibly stable binder. The second concerns the hydration products inconcrete– the ancient seawaterconcretecontains the ideal crystalline structure of Tobermorite, which has a greater strength and durability than the modern equivalent.

    Get Price
  • Roman Concrete Romae Vitam
    Roman Concrete Romae Vitam

    Amazingly, when the Roman Empire fell, the know-how to making concrete was lost. It was rediscovered only many centuries later in 1710 by a French engineer. His formula remains the basic formula used today to make Portland cement concrete.

    Get Price
  • Borepatch Longlost Roman concrete formula rediscovered
    Borepatch Longlost Roman concrete formula rediscovered

    Jun 24, 2013· They extracted from the floor of Italy’s Pozzuoili Bay, in the northern tip of the Bay of Naples, a sample of concrete breakwater that dates back to 37 B.C. and analyzed its mineral components at research labs in Europe and the U.S., including at Berkeley Lab’s Advanced Light Source. The analysis, the scientists believe, reveals the lost recipe of Roman concrete, and it also points to how much more …

    Get Price
  • Ancient Roman Concrete Facts Legend
    Ancient Roman Concrete Facts Legend

    Ancient Roman Concrete. Theconcretewe make today is nowhere even close to what the ancient Romans made some 2000 years ago. The ancientconcretewas far superior in terms of quality. It was far more durable and far more environment-friendly.

    Get Price
  • WhyRoman concretestill stands strong while modern
    WhyRoman concretestill stands strong while modern

    Jul 04, 2017· WhyRoman concretestill stands strong while modern version decays This article is more than 3 years old. Scientists have cracked the secret toRomanwater-based structures’ strength – and ...

    Get Price
  • Was the formula forconcrete lostafter the fall of the
    Was the formula forconcrete lostafter the fall of the

    Nov 16, 2010· According to this, use of concrete *was* lost for several centuries in Western Europe, and this is probably more reliable than my own information http://en.wikipedia.org/wiki/Concrete#History...

    Get Price
  • A History ofCement Rumford
    A History ofCement Rumford

    During the Middle Ages this art was lost and it was not until the scientific spirit of inquiry revived that we rediscovered the secret of hydraulic cement-- cement that will harden under water. Repeated structural failure of the Eddystone Lighthouse off the coast of Cornwall, England, led John Smeaton , a British engineer, to conduct experiments with mortars in both fresh and salt water.

    Get Price
  • The History of Concrete Giatec Scientific Inc.
    The History of Concrete Giatec Scientific Inc.

    Jul 28, 2017· Technological Milestones: during the Middle Ages, concrete technology crept backward. After the fall of the Roman Empire in 476 AD, the technique for making pozzolan cement was lost until the discovery of manuscripts describing it was found in 1414. …

    Get Price
  • 6Advanced Ancient Inventions Beyond Modern Understanding
    6Advanced Ancient Inventions Beyond Modern Understanding

    Feb 07, 2015· The vast Roman structures that have lasted thousands of years are testaments to the advantages Roman concrete has over the concrete used nowadays, which shows signs of degradation after 50 years. Researchers have worked in recent years to uncover the secret of this ancient concrete’s longevity. The secret ingredient is volcanic ash.

    Get Price
  • Secrets of Ancient Roman concrete revealed ZDNet
    Secrets of Ancient Roman concrete revealed ZDNet

    Jun 18, 2013· The secret to the lost recipe of superior Roman concrete lies in its unique mineral formulation (pictured below) and production technique. According to a Lawrence Berkeley National Laboratory press...

    Get Price
  • What Are the Contributions of Rome
    What Are the Contributions of Rome

    Apr 02, 2020· Romans used their engineering skills to perfect the aqueduct, leading to public toilets and baths, a sewage system and fresh drinking water. The Romans also inventedcement. However, the original recipe waslost, and the technique for makingcementwas only rediscovered in 1824.

    Get Price
toTop
Click avatar to contact us
Hi,may I help you with products, price, etc?
Chat Online