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不同养护方式对机制砂混凝土性能的影响

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对比分析多种养护方式对机制砂混凝土性能的影响,发现采用棉絮养护的混凝土构件表面强度最高,其次是采用养护膜养护的混凝土构件;各种养护方式下混凝土电通量值由高到低排序:标准养护>棉絮养护>土工布养护>养护膜养护>养护剂养护>塑料薄膜养护>自然养护,基本处于一个等级,属于低氯离子渗透性;干缩变形值由大到小排序:标准养护>塑料薄膜养护>棉絮养护>土工布养护>养护膜养护>自然养护>养护剂养护.
Influence of different curing methods on the performance of mechanized sand concrete
This article compares and analyzes the effects of various curing methods on the performance of machine-made sand concrete.It is found that the surface strength of concrete components cured with cotton wool is the highest,followed by those cured with curing film.The electrical flux values of concrete under various curing methods,from high to low,are as follows that standard curing>cotton wool curing>geotextile curing>curing film curing>curing agent curing>plastic film curing>natural curing,which are basically at the same level and belong to low chloride ion permeability.The order of shrinkage deformation values from large to small is that standard curing>plastic film curing>cotton wool curing>geotextile curing>curing film curing>natural curing>curing agent curing.

mechanized sand concretemaintenance methodsdurability performancedry shrinkage deformation

陶勇、孙建斌、李士宣、冉德钦

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高密市道路运输服务中心,山东潍坊 261599

山东省交通科学研究院,山东济南 250031

济宁市建筑工程质量监督检验测试中心有限公司,山东济宁 272000

机制砂混凝土 养护方式 耐久性能 干缩变形

2024

山东交通科技
山东省交通科学研究所

山东交通科技

影响因子:0.249
ISSN:1673-8942
年,卷(期):2024.(2)