Analytical prediction and experimental research on shrinkage cracking of restrained early-age concrete;
受约束早龄期混凝土收缩开裂的理论预测和试验研究
Influence of GGBFS content on shrinkage cracking of concrete;
矿渣微粉掺量对混凝土收缩开裂的影响
An experimental study on shrinkage cracking of thin slab structure concrete with fly ash;
粉煤灰薄板结构混凝土收缩开裂试验研究
This paper analyzes the influence of SRA on the shrinkage-cracking property of HPC by designing five check-up experiments including desiccation-shrinkage,autogeous shrinkage,fiat-restraint,anti-chloride ion penetration and ultimate tensile strain.
设计了干燥收缩、自收缩、平板约束、抗氯离子渗透性以及极限拉应变等5种试验方法来检验减缩剂对高性能混凝土收缩开裂性能的影响。
This paper is to analyze the effect on shrinkage-cracking property of HPC by flyash by designing five check-up experiments such as desiccation-shrinkage,small steel rings restraint,hydration heat,ultimate tensile strain,and anti-chloride ion penetration,etc.
设计收缩、小圆环约束开裂、水化热、极限拉伸率以及抗氯离子渗透性等5种试验方法来考核粉煤灰对高性能混凝土收缩开裂性能的影响。
This paper is to analyzed the influenced effect on shrinkage-cracking property of HPC by SRA, by means of designing five check-up experiments such as desiccation-shrinkage、autogenous shrinkage、flat-restraint、anti-chloride ion penetration and ultimate tensile strain etc.
本文设计了干燥收缩、自收缩、平板约束、抗氯离子渗透性以及极限拉应变等5种试验方法来考核减缩剂对高性能混凝土收缩开裂性能的影响。
Based on the tests by temperature shrinkage,dry shrinkage and split strength,influence of polyester fibre on shrinkage cracks and strength of cement-stabilized macadam was studied.
为有效解决水泥碎石材料易产生裂缝的问题,将聚酯纤维掺加到水泥碎石中以防止其收缩开裂,据此设计制作了收缩应变测试装置。
But its high flowing property and pumpability also cause some negative effects, such as serious shrinkage cracks at early age, which arouses wide social concern.
泵送高流态混凝土自从70年代末期产生以来，以其快速高效、质量稳定等特点得到了广泛的应用，但它的高流动性和可泵性也产生了一些负面作用，如早期收缩开裂现象比较严重，引起了社会的普遍关注。
In the paper,effects of environmental conditions varieties on plastic shrinkage cracking of high strength concrete have been researched by experimentation.
本文主要就环境因素变化对高强混凝土塑性收缩开裂的影响趋势进行专门试验研究,并就其影响机理及相关的问题进行了分析和阐述。
The resistances for plastic shrinkage cracking, mechanical properties and impermeabilities of cement based materials added respectively with fibers, waterproofing agent and with the above two materials were investigated.
研究了掺加纤维材料、抗渗剂及两者同时掺入对水泥基材料塑性收缩开裂性能、力学性能及抗渗性能的影响。
The types of those cracks are summarized as three kinds: plastic shrinkage cracking, dry shrinkage cracking and hydration heat cracking.
将引起混凝土裂缝的类型归纳为塑性收缩开裂 ,干燥收缩开裂 ,水化热开裂三种 ,并对其表象及成因进行了阐述。
The types of those cracks are summarized as three kinds: plastic shrinkage cracking, dry shrinkage cracking and hydration heat cracking.
将引起混凝土裂缝的类型归纳为塑性收缩开裂 ,干燥收缩开裂 ,水化热开裂三种 ,并对其表象及成因进行了阐述。
Influence of Chemical Admixtures on the Early Cracking and Drying Shrinkage of Concrete;
化学外加剂对混凝土收缩开裂的影响
STUDY OF SEVERAL ISSUES ON EARLY AGE SHRINKAGE CRACKING OF HIGH PERFORMANCE CONCRETE
高性能混凝土早期收缩开裂问题研究
Experimental Research on Restrained Shrinkage Cracking Properties of Pumping Concrete;
泵送混凝土约束收缩开裂性能评价试验研究
Influence of rubber powder on shrinkage cracking of concrete
橡胶粉对于混凝土收缩开裂性能的影响
Research on Three-Elements Constitutive Equation of Plastic Shrinkage Cracking for Cement Mortar
水泥砂浆塑性收缩开裂的三元本构方程研究
Flexural Strength and Plastic Shrinkage Cracking Resistance of Aramid Fiber Cement Mortar
芳纶纤维砂浆的抗折强度与抗塑性收缩开裂
Study on Influence of Compositions on Hydration and Shrinkage Cracking in Cement-based Materials at Early Ages
水泥基材料组分对早期水化及收缩开裂影响的研究
Measurement Method for Shrinkage and Crack of Light Aggregate Concrete
采用内约束法评价轻集料混凝土的干燥收缩开裂
Influence of fine aggregate on initial shrinkage of high performance concrete
细集料对高性能混凝土早期塑性收缩开裂的影响
Influence of Shrinkage Reducing Agent and Expansion Agent on the Shrinkage Cracking of Cementitious Self-leveling Mortar
减缩剂和膨胀剂对水泥基自流平砂浆收缩开裂性能的影响比较研究
Effects of hydroxyethyl methyl cellulose and polypropylene fiber on plastic shrinkage cracking of cement mortar
复掺羟乙基甲基纤维素和聚丙烯纤维对水泥砂浆塑性收缩开裂性能的影响
Effects of Curing on Early-age Shrinkage and Cracking of Concrete;
养护对混凝土早期收缩和开裂的影响
The cold weather made the cement in the sidewalk contract until it finally cracked.
寒冷的天气使人行道的水泥收缩，最后终于裂开。
Research on Effects of Early-age Shrinkage and Plastic Cracking of High Strength Concrete;
高强混凝土早期收缩及塑性开裂影响因素研究
Research on Early-age Plastic Shrinkage and Cracking of Green High Durable Concrete;
绿色高耐久性混凝土的早期塑性收缩与开裂性能研究
Law Research and Mechanism Analysis of Shrinkage and Cracking on High Performance Concrete;
高性能混凝土收缩与开裂规律的研究及机理分析
Influencing Factors and Evaluation Methods for Shrinkage and Cracking of Light Weight Aggregate Concrete
轻集料混凝土干燥收缩影响因素及开裂评价方法
Long-term behavior of composite beams with shrinkage,creep and cracking(Ⅱ):theoretical analysis
考虑收缩、徐变及开裂影响的组合梁长期受力性能研究(Ⅱ)——理论分析