Evaluation of freeze-thaw damage on concrete material and prestressed concrete specimens
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- 作者：Xiao-chuan Qina ; qinxc@seu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Shao-ping Menga ; msp1960@vip.sina.com" class="auth_mail" title="E-mail the corresponding author ; Da-fu Caob ; dfcao@yzu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yong-ming Tua ; c ; tuyongming@seu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Natalia Sabourovac ; natalia.sabourova@ltu.se" class="auth_mail" title="E-mail the corresponding author ; Niklas Gripc ; niklas.grip@ltu.se" class="auth_mail" title="E-mail the corresponding author ; Ulf Ohlssonc ; ulf.ohlsson@ltu.se" class="auth_mail" title="E-mail the corresponding author ; Thomas Blanksvä ; rdc ; thomas.blanksvard@ltu.se" class="auth_mail" title="E-mail the corresponding author ; Gabriel Sasc ; gabriel.sas@ltu.se" class="auth_mail" title="E-mail the corresponding author ; Lennart Elfgrenc ; lennart.elfgren@ltu.se" class="auth_mail" title="E-mail the corresponding author
- 关键词：Concrete structures ; Durability ; Assessment ; Deterioration ; Damage
- 刊名：Construction and Building Materials
- 出版年：2016
- 出版时间：30 October 2016
- 年：2016
- 卷：125
- 期：Complete
- 页码：892-904
- 全文大小：4102 K
文摘
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We study the microscopic and macroscopic freeze-thaw damage on concrete material.
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We investigate the freeze-thaw prestress loss of the bonded and unbonded specimens.
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Severe microscopic damages occur after 200 freeze-thaw cycles.
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Prestress loss from the intact to the completed damaged status is about 5% of class="mathmlsrc">class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0950061816313629&_mathId=si1.gif&_user=111111111&_pii=S0950061816313629&_rdoc=1&_issn=09500618&md5=b8fcfcaa44126dd3200d0f24a5df0c49" title="Click to view the MathML source">σconclass="mathContainer hidden">class="mathCode">.
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Influence of grouting on freeze-thaw prestress loss depends on grout damage status.