Matches in SemOpenAlex for { <https://semopenalex.org/work/W2241087567> ?p ?o ?g. }
Showing items 1 to 83 of
83
with 100 items per page.
- W2241087567 abstract "THE POINTS OF SIMILARITY BETWEEN THE ALKALI-REACTIVITY OF THE KINGSTON CARBONATE ROCK AND THE ALKALI-SILICA TYPES OF REACTION ARE: (1) THE SPECIFIC INFLUENCE OF ALKALI CONTENT, WHETHER IT DERIVES FROM THE CEMENT OR IS ADDED, (2) THE MORE AGGRESSIVE INFLUENCE OF THE SODIUM THAN THE POTASSIUM HYDROXIDE, (3) THE INFLUENCE OF THE TEMPERATURE, WITH EVIDENCE OF AN OPTIMUM, (4) THE DIRECT INFLUENCE OF MOISTURE, AND (5) THE ABNORMAL EXPANSION OF CONCRETE, FOLLOWED BY MAP-CRACKING WHERE MOISTURE CONDITIONS VARY AT TWO SURFACES. CHARACTERISTICS THAT SHOW SOME LIMITED DEGREE OF SIMILARITY ARE: (1) RATE AND DEGREE OF EXPANSION, (2) DECREASE IN EXPANSION WITH DECREASE IN PARTICLE SIZE OF AGGREGATE, APPARENTLY DUE TO BREAK-UP AT PLANES OF WEAKNESS AS WELL AS TO INCREASE IN SURFACE AREA FOR A FIXED AMOUNT OF ALKALI, (3) RIM FORMATION PRESENT BUT DIFFERENT IN APPEARANCE FROM THE ALKALI-SILICA TYPE, AND (4) MICROSCOPIC EVIDENCE OF FRACTURING OF PASTE AND AGGREGATE BUT DIFFERENCE IN APPEARANCE OF AFFECTED AREAS. DISTINGUISHING FEATURES ARE: (1) ABSENCE OF SIGNIFICANT QUANTITIES OF GEL, BUT PORE VOLUME WAS EXTREMELY SMALL, AND AMOUNT OF SILICA VERY SMALL, HENCE IT IS NOT LIKELY THAT FAILURE TO DETECT GEL DUE TO ITS DISTRIBUTION THROUGHOUT THE PORES, (2) ABSENCE OF MINERALS OR ROCK TYPES KNOWN TO REACT DELETERIOUSLY WITH CEMENT ALKALI, (3) FAILURE OF ALKALI-SILICA REACTION INHIBITORS TO CONTROL THIS ALKALI-CARBONATE REACTION, (4) INCREASE IN WATER-CEMENT RATIO APPARENTLY DOES NOT INCREASE RATE OF REACTION, AND (5) UNCRACKED PARTS OF THE AFFECTED CONCRETE APPEAR TO REMAIN INTACT, EVEN AFTER MANY YEARS. THE KINGSTON CARBONATE REACTION IS NOT DETECTABLE BY THE STANDARD ASTM TESTS. IT MAY BE DETECTED BY EXPOSING CONCRETE PRISMS MADE MADE WITH THE SUSPECTED ROCK AND A HIGH ALKALI CEMENT TO NEAR 100 PERCENT RELATIVE HUMIDITY AND 73 F CONDITIONS, OR TO THE SCHOLER TEST. IT MAY ALSO BE DETECTED BY MEASURING EXPANSIONS OF THE ROCK IN ALKALINE SOLUTION. AS A TENTATIVE CONCLUSION ROCKS COMPOSED OF NEAR EQUAL PROPORTIONS BY WEIGHT OF DOLOMITE AND CALCITE MAY BE REGARDED AS SUSPECT AND IT SEEMS POSSIBLE THAT A CONNECTION EXISTS BETWEEN THE EXPANSIVE REACTIVITY AND THE DEDOLOMITIZATION REACTION (REPLACEMENT OF DOLOMITE BY CALCITE AND BRUCITE). /AUTHOR/" @default.
- W2241087567 created "2016-06-24" @default.
- W2241087567 creator A5038878942 @default.
- W2241087567 creator A5086465561 @default.
- W2241087567 date "1960-01-01" @default.
- W2241087567 modified "2023-09-24" @default.
- W2241087567 title "CHARACTERISTICS OF KINGSTON CARBONATE ROCK REACTION" @default.
- W2241087567 cites W747102980 @default.
- W2241087567 hasPublicationYear "1960" @default.
- W2241087567 type Work @default.
- W2241087567 sameAs 2241087567 @default.
- W2241087567 citedByCount "18" @default.
- W2241087567 countsByYear W22410875672012 @default.
- W2241087567 countsByYear W22410875672017 @default.
- W2241087567 crossrefType "journal-article" @default.
- W2241087567 hasAuthorship W2241087567A5038878942 @default.
- W2241087567 hasAuthorship W2241087567A5086465561 @default.
- W2241087567 hasConcept C102336505 @default.
- W2241087567 hasConcept C127413603 @default.
- W2241087567 hasConcept C159985019 @default.
- W2241087567 hasConcept C176864760 @default.
- W2241087567 hasConcept C178790620 @default.
- W2241087567 hasConcept C185592680 @default.
- W2241087567 hasConcept C191897082 @default.
- W2241087567 hasConcept C192562407 @default.
- W2241087567 hasConcept C198091228 @default.
- W2241087567 hasConcept C199289684 @default.
- W2241087567 hasConcept C2778194941 @default.
- W2241087567 hasConcept C2778562268 @default.
- W2241087567 hasConcept C2778657360 @default.
- W2241087567 hasConcept C2780659211 @default.
- W2241087567 hasConcept C42360764 @default.
- W2241087567 hasConcept C4679612 @default.
- W2241087567 hasConcept C523993062 @default.
- W2241087567 hasConcept C537181965 @default.
- W2241087567 hasConcept C58396970 @default.
- W2241087567 hasConceptScore W2241087567C102336505 @default.
- W2241087567 hasConceptScore W2241087567C127413603 @default.
- W2241087567 hasConceptScore W2241087567C159985019 @default.
- W2241087567 hasConceptScore W2241087567C176864760 @default.
- W2241087567 hasConceptScore W2241087567C178790620 @default.
- W2241087567 hasConceptScore W2241087567C185592680 @default.
- W2241087567 hasConceptScore W2241087567C191897082 @default.
- W2241087567 hasConceptScore W2241087567C192562407 @default.
- W2241087567 hasConceptScore W2241087567C198091228 @default.
- W2241087567 hasConceptScore W2241087567C199289684 @default.
- W2241087567 hasConceptScore W2241087567C2778194941 @default.
- W2241087567 hasConceptScore W2241087567C2778562268 @default.
- W2241087567 hasConceptScore W2241087567C2778657360 @default.
- W2241087567 hasConceptScore W2241087567C2780659211 @default.
- W2241087567 hasConceptScore W2241087567C42360764 @default.
- W2241087567 hasConceptScore W2241087567C4679612 @default.
- W2241087567 hasConceptScore W2241087567C523993062 @default.
- W2241087567 hasConceptScore W2241087567C537181965 @default.
- W2241087567 hasConceptScore W2241087567C58396970 @default.
- W2241087567 hasIssue "275" @default.
- W2241087567 hasLocation W22410875671 @default.
- W2241087567 hasOpenAccess W2241087567 @default.
- W2241087567 hasPrimaryLocation W22410875671 @default.
- W2241087567 hasRelatedWork W148467410 @default.
- W2241087567 hasRelatedWork W1525955186 @default.
- W2241087567 hasRelatedWork W1972603765 @default.
- W2241087567 hasRelatedWork W1987298934 @default.
- W2241087567 hasRelatedWork W1996373233 @default.
- W2241087567 hasRelatedWork W2008944989 @default.
- W2241087567 hasRelatedWork W2028214723 @default.
- W2241087567 hasRelatedWork W2033259227 @default.
- W2241087567 hasRelatedWork W2075012334 @default.
- W2241087567 hasRelatedWork W2081844840 @default.
- W2241087567 hasRelatedWork W2096895609 @default.
- W2241087567 hasRelatedWork W2121039867 @default.
- W2241087567 hasRelatedWork W2242624033 @default.
- W2241087567 hasRelatedWork W2246058312 @default.
- W2241087567 hasRelatedWork W2364868498 @default.
- W2241087567 hasRelatedWork W2934539 @default.
- W2241087567 hasRelatedWork W562560055 @default.
- W2241087567 hasRelatedWork W570756940 @default.
- W2241087567 hasRelatedWork W612337717 @default.
- W2241087567 hasRelatedWork W2856262927 @default.
- W2241087567 isParatext "false" @default.
- W2241087567 isRetracted "false" @default.
- W2241087567 magId "2241087567" @default.
- W2241087567 workType "article" @default.