2017
DOI: 10.1016/j.conbuildmat.2016.12.069
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Experimental study on early cracking sensitivity of lightweight aggregate concrete

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Cited by 45 publications
(20 citation statements)
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“…Ankstyvojo pleišėjimo efektas sustiprėja esant mažam vandens / cemento santykiui (V/C) ir didesniam cemento kiekiui. Tai būdinga didelio stiprio LB mišiniams (Wang et al 2017). Norint išvengti arba sumažinti ankstyvojo pleišėjimo riziką, būtina užtikrinti, kad mišinio vidinė santykinė drėgmė greitai nesumažėtų.…”
Section: Tankisunclassified
See 1 more Smart Citation
“…Ankstyvojo pleišėjimo efektas sustiprėja esant mažam vandens / cemento santykiui (V/C) ir didesniam cemento kiekiui. Tai būdinga didelio stiprio LB mišiniams (Wang et al 2017). Norint išvengti arba sumažinti ankstyvojo pleišėjimo riziką, būtina užtikrinti, kad mišinio vidinė santykinė drėgmė greitai nesumažėtų.…”
Section: Tankisunclassified
“…Iš anksto sudrėkintas lengvasis užpildas betone sukelia vidinį drėkinimą (angl. internal curing), o tai sumažina betono ankstyvojo pleišėjimo riziką (Ji et al 2015;Wang et al 2017), pagerina porinę medžiagos struktūrą (Zhutovsky ir Kovler 2012;Bentz ir Weiss 2011). Vidinis drėkinimas mažina ir susitraukimo deformacijas bei valkšnumą (Zhang 1995).…”
Section: Tankisunclassified
“…By partial replacing normal-weight coarse aggregates with the PLWA (by volume), mixtures (L100, L70G30, L50G50, L30G70, and G100) were obtained. All coarse aggregates were immersed in water for 24h before the test, and the absorbed water content (24h) was included in the moisture content of aggregates, which was recommended by many researchers [3,4]. Test method of long term shrinkage 15 groups of mixing proportion (shown in Table 1) were test.…”
Section: Materials and Mixing Proportionsmentioning
confidence: 99%
“…Hence, it is necessary to develop new technologies to alleviate these negative impacts caused by the shrinkage. Pre-wetted lightweight aggregate, also known as internal curing (IC) [3][4][5][6], has been reported as an effective strategy in reducing autogenous shrinkage and preventing cracking at early age. Autogenous shrinkage and drying shrinkage are usually because the drop of moisture inside material caused by the environmental drying and the cement hydration [7].…”
Section: Introductionmentioning
confidence: 99%
“…Модуль упругости легкого бетона значительно ниже, чем обычного бетона (в 1,5-2,5 раза при одинаковой прочности)[14][15][16]. Данная особенность учтена в Eurocode 2 применением понижающего коэффициента, величина которого зависит от расчетной плотности легкого бетона.…”
unclassified