Matches in SemOpenAlex for { <https://semopenalex.org/work/W1683220360> ?p ?o ?g. }
Showing items 1 to 66 of
66
with 100 items per page.
- W1683220360 abstract "Compared to the knowledge base for ordinary portland cement concrete (OPCC), relatively little information exists for calcium aluminate cement concrete (CACC), despite its existence for over 100 years. There is particularly a lack of knowledge related to early-age behavior of CACC, specifically volume change and cracking potential. To assess these early-age properties, two unique pieces of equipment were developed and employed: a rigid cracking frame and free deformation frame which enabled quantification of restrained stress generation and unrestrained autogenous deformation, respectively. These two pieces of equipment employed active temperature control and allowed a wide range of isothermal and realistic temperature conditions to be imposed upon hydrating cementitious samples. Match-cured samples (i.e. identical temperature curing to that in the frames) enabled the quantification of mechanical property development. Samples cured at discrete isothermal temperatures up to 30 °C developed tensile forces in the rigid cracking frame and exhibited shrinkage phenomena in the free deformation frame. At temperatures above 30 °C, the converse was true and significant compressive forces developed in restrained testing and expansion was observed in unrestrained testing. It was found that this was a direct result of microstructural development related to the formation of metastable phases (associated with shrinkage) and stable phases (expansion as a result of conversion from metastable to stable phases). Proper use of this material must take into account behavior associated with both types of hydrate assemblages, metastable and stable. Realistic time-temperature histories were also investigated based on field-scale concrete cast as part of this research project. It was found that volume change at earlyage was dominantly controlled by thermal history. Furthermore, it was not simply the maximum temperature reached, but the rate of temperature rise during hydration and the resulting duration of time spent at high temperature that profoundly influenced volume change and property development. The research described in this dissertation represents a significant advancement of the state-of-knowledge of this unique material and has further elucidated the role of temperature during hydration of CACC." @default.
- W1683220360 created "2016-06-24" @default.
- W1683220360 creator A5074524127 @default.
- W1683220360 date "2008-05-01" @default.
- W1683220360 modified "2023-09-26" @default.
- W1683220360 title "Early-age behavior of calcium aluminate cement systems" @default.
- W1683220360 hasPublicationYear "2008" @default.
- W1683220360 type Work @default.
- W1683220360 sameAs 1683220360 @default.
- W1683220360 citedByCount "3" @default.
- W1683220360 countsByYear W16832203602014 @default.
- W1683220360 countsByYear W16832203602015 @default.
- W1683220360 countsByYear W16832203602016 @default.
- W1683220360 crossrefType "journal-article" @default.
- W1683220360 hasAuthorship W1683220360A5074524127 @default.
- W1683220360 hasConcept C121332964 @default.
- W1683220360 hasConcept C133347239 @default.
- W1683220360 hasConcept C159985019 @default.
- W1683220360 hasConcept C180145272 @default.
- W1683220360 hasConcept C192562407 @default.
- W1683220360 hasConcept C204366326 @default.
- W1683220360 hasConcept C2777387946 @default.
- W1683220360 hasConcept C2779666059 @default.
- W1683220360 hasConcept C2780021121 @default.
- W1683220360 hasConcept C523993062 @default.
- W1683220360 hasConcept C58396970 @default.
- W1683220360 hasConcept C97355855 @default.
- W1683220360 hasConceptScore W1683220360C121332964 @default.
- W1683220360 hasConceptScore W1683220360C133347239 @default.
- W1683220360 hasConceptScore W1683220360C159985019 @default.
- W1683220360 hasConceptScore W1683220360C180145272 @default.
- W1683220360 hasConceptScore W1683220360C192562407 @default.
- W1683220360 hasConceptScore W1683220360C204366326 @default.
- W1683220360 hasConceptScore W1683220360C2777387946 @default.
- W1683220360 hasConceptScore W1683220360C2779666059 @default.
- W1683220360 hasConceptScore W1683220360C2780021121 @default.
- W1683220360 hasConceptScore W1683220360C523993062 @default.
- W1683220360 hasConceptScore W1683220360C58396970 @default.
- W1683220360 hasConceptScore W1683220360C97355855 @default.
- W1683220360 hasLocation W16832203601 @default.
- W1683220360 hasOpenAccess W1683220360 @default.
- W1683220360 hasPrimaryLocation W16832203601 @default.
- W1683220360 hasRelatedWork W103157844 @default.
- W1683220360 hasRelatedWork W1211660658 @default.
- W1683220360 hasRelatedWork W1971517438 @default.
- W1683220360 hasRelatedWork W1999677044 @default.
- W1683220360 hasRelatedWork W2002434255 @default.
- W1683220360 hasRelatedWork W2007834780 @default.
- W1683220360 hasRelatedWork W2048651477 @default.
- W1683220360 hasRelatedWork W2059888662 @default.
- W1683220360 hasRelatedWork W2061385006 @default.
- W1683220360 hasRelatedWork W2077415382 @default.
- W1683220360 hasRelatedWork W2153195186 @default.
- W1683220360 hasRelatedWork W230890542 @default.
- W1683220360 hasRelatedWork W2364678142 @default.
- W1683220360 hasRelatedWork W245795045 @default.
- W1683220360 hasRelatedWork W2531147400 @default.
- W1683220360 hasRelatedWork W2769299728 @default.
- W1683220360 hasRelatedWork W2790234125 @default.
- W1683220360 hasRelatedWork W337920114 @default.
- W1683220360 hasRelatedWork W625415728 @default.
- W1683220360 hasRelatedWork W2560822175 @default.
- W1683220360 isParatext "false" @default.
- W1683220360 isRetracted "false" @default.
- W1683220360 magId "1683220360" @default.
- W1683220360 workType "article" @default.