Matches in SemOpenAlex for { <https://semopenalex.org/work/W561364891> ?p ?o ?g. }
Showing items 1 to 75 of
75
with 100 items per page.
- W561364891 abstract "A REVIEW IS PRESENTED OF TESTS DEVELOPED BETWEEN 1895 AND 1899 FOR THE DETERMINATION OF THE MODULUS OF ELASTICITY OF PORTLAND CEMENT MORTAR AND CONCRETE. THIS REVIEW IS FOLLOWED BY YEARLY REVIEWS FROM 1905 THROUGH 1929. COMPRESSION TEST RESULTS ON CONCRETE HAVING TO DO WITH THE EFFECT UPON THE MODULUS OF ELASTICITY OF AGE, RICHNESS OF MIX, REPEATED LOADS, SUSTAINED LOADS AND MOISTURE CONDITIONS ARE PRESENTED. IT IS SHOWN THAT THE MODULUS OF ELASTICITY, UNDER THE CONDITIONS OF THESE TESTS, INCREASES WITH AGE FOR A CONSIDERABLE PERIOD OF TIME. THE INCREASE IN THE MODULUS OF ELASTICITY IS RAPID AT THE EARLY AGES AND ITS RATE DECREASES QUITE UNIFORMLY WITH TIME. AT THE LATER AGES THE MODULI FOR RICH MIXES CONTINUES SUBSTANTIALLY TO INCREASE AFTER THE MODULI FOR THE LEAN MIXES HAVE BECOME PRACTICALLY CONSTANT. THE RICHER THE MIX, OTHER THINGS REMAINING CONSTANT, THE HIGHER THE MODULUS OF ELASTICITY. THE MODULUS OF ELASTICITY OF A GIVEN CONCRETE WHEN THE PORE SPACES ARE FILLED WITH WATER, IS MATERIALLY GREATER THAN FOR THE SAME CONCRETE WHEN AIR DRY. WHILE THE EFFECT OF FREE MOISTURE WITHIN THE MASS IS TO DECREASE THE COMPRESSIVE STRENGTH, THE MODULUS OF ELASTICITY IS THEREBY INCREASED. THE SUSTAINED MODULUS AFTER A PROLONGED PERIOD OF SUSTAINED STRESS IS BUT A FRACTION OF THE INSTANTANEOUS MODULUS AND THIS FRACTION IS GREATER FOR HIGH STRESSES THAN FOR LOW ONES. THE SUSTAINED MODULUS OF ELASTICITY IS SUBSTANTIALLY HIGHER FOR A WET CONCRETE THAN FOR THE SAME CONCRETE WHEN AIR DRIED. THE EFFECT OF A LOAD APPLIED AT AN EARLIER AGE IS TO INCREASE THE MODULUS OF ELASTICITY WHEN THE SAME LOAD IS APPLIED AT A LATER AGE." @default.
- W561364891 created "2016-06-24" @default.
- W561364891 creator A5086479136 @default.
- W561364891 date "1930-01-01" @default.
- W561364891 modified "2023-09-27" @default.
- W561364891 title "DIGEST OF TESTS IN THE UNITED STATES FOR THE DETERMINATION OF THE MODULUS OF ELASTICITY OF PORTLAND CEMENT MORTAR AND CONCRETE" @default.
- W561364891 hasPublicationYear "1930" @default.
- W561364891 type Work @default.
- W561364891 sameAs 561364891 @default.
- W561364891 citedByCount "0" @default.
- W561364891 crossrefType "journal-article" @default.
- W561364891 hasAuthorship W561364891A5086479136 @default.
- W561364891 hasConcept C121854251 @default.
- W561364891 hasConcept C127313418 @default.
- W561364891 hasConcept C130767629 @default.
- W561364891 hasConcept C136528926 @default.
- W561364891 hasConcept C159985019 @default.
- W561364891 hasConcept C176864760 @default.
- W561364891 hasConcept C187320778 @default.
- W561364891 hasConcept C191204318 @default.
- W561364891 hasConcept C192562407 @default.
- W561364891 hasConcept C193867417 @default.
- W561364891 hasConcept C196029304 @default.
- W561364891 hasConcept C2780021121 @default.
- W561364891 hasConcept C30407753 @default.
- W561364891 hasConcept C43486711 @default.
- W561364891 hasConcept C521977710 @default.
- W561364891 hasConcept C523993062 @default.
- W561364891 hasConcept C7055690 @default.
- W561364891 hasConcept C94406020 @default.
- W561364891 hasConceptScore W561364891C121854251 @default.
- W561364891 hasConceptScore W561364891C127313418 @default.
- W561364891 hasConceptScore W561364891C130767629 @default.
- W561364891 hasConceptScore W561364891C136528926 @default.
- W561364891 hasConceptScore W561364891C159985019 @default.
- W561364891 hasConceptScore W561364891C176864760 @default.
- W561364891 hasConceptScore W561364891C187320778 @default.
- W561364891 hasConceptScore W561364891C191204318 @default.
- W561364891 hasConceptScore W561364891C192562407 @default.
- W561364891 hasConceptScore W561364891C193867417 @default.
- W561364891 hasConceptScore W561364891C196029304 @default.
- W561364891 hasConceptScore W561364891C2780021121 @default.
- W561364891 hasConceptScore W561364891C30407753 @default.
- W561364891 hasConceptScore W561364891C43486711 @default.
- W561364891 hasConceptScore W561364891C521977710 @default.
- W561364891 hasConceptScore W561364891C523993062 @default.
- W561364891 hasConceptScore W561364891C7055690 @default.
- W561364891 hasConceptScore W561364891C94406020 @default.
- W561364891 hasLocation W5613648911 @default.
- W561364891 hasOpenAccess W561364891 @default.
- W561364891 hasPrimaryLocation W5613648911 @default.
- W561364891 hasRelatedWork W1966560699 @default.
- W561364891 hasRelatedWork W1996886943 @default.
- W561364891 hasRelatedWork W2006811392 @default.
- W561364891 hasRelatedWork W2007608527 @default.
- W561364891 hasRelatedWork W2012529321 @default.
- W561364891 hasRelatedWork W2044956245 @default.
- W561364891 hasRelatedWork W2048325960 @default.
- W561364891 hasRelatedWork W2056531828 @default.
- W561364891 hasRelatedWork W2077711579 @default.
- W561364891 hasRelatedWork W2123649136 @default.
- W561364891 hasRelatedWork W2143762033 @default.
- W561364891 hasRelatedWork W2161265387 @default.
- W561364891 hasRelatedWork W2183952588 @default.
- W561364891 hasRelatedWork W2185621941 @default.
- W561364891 hasRelatedWork W2189213609 @default.
- W561364891 hasRelatedWork W239495254 @default.
- W561364891 hasRelatedWork W3136984701 @default.
- W561364891 hasRelatedWork W580477440 @default.
- W561364891 hasRelatedWork W62924514 @default.
- W561364891 hasRelatedWork W2181405840 @default.
- W561364891 isParatext "false" @default.
- W561364891 isRetracted "false" @default.
- W561364891 magId "561364891" @default.
- W561364891 workType "article" @default.