冻融试验
- 网络Freeze-thaw test;Freeze-thaw-resistance
![冻融试验](../cache/1611105.jpg)
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通过快速冻融试验、耐碱性试验、浸水试验、湿热暴露试验、人工加速老化试验,研究了腐蚀环境对纤维增强复合材料(FRP)的复合体及粘结剂力学性能的影响。
Based on the fast freeze-thaw test , the alkaline resistance test , the water immersion test , the wet-thermal exposure test and artificial accelerated aging test , the influence of the corroding environment on the mechanical behavior of fiber reinforced polymer ( FRP ) laminates and adhesive was studied .
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原状砂类土的冻融试验法
Freezing and Thawing Test Method for Undisturbed S and y Soil
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超声波测试方法在沥青混合料冻融试验中的应用
Application of Ultrasonic Test Method in Freeze-thaw Test of Asphalt Mixture
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大理岩循环冻融试验研究
Experimental study on cycles of freeze - thaw of marble
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探讨了快速冻融试验条件下,聚丙烯腈纤维混凝土的抗冻融耐久性;
Effect of polyacrylonitrile fibers on concrete properties was also analyzed and discussed .
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野外冻融试验槽的应用和土基冻融规律的探讨
The Development of the Field Freezing-thawing Trough Test and the Law of Roadbed Freezing
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烧结砖冻融试验设备的改进
Improvement of Fired Brick Freeze-thawing Testing Equipment
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冻融试验研究
Research of Frozen and Melt Test
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关于港工混凝土抗冻性指标及冻融试验方法问题讨论
Discussion on the Frost Resistance indices and the Method for Freezing and Thawing Test of Marine Concrete
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通过冻融试验和大量国内外文献资料,从力学性能和耐久性方面研究粉煤灰高性能混凝土。
The study of HPC mechanics properties and durability has been done through the frozen and melt test , and extensive information and documentation .
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采用快速冻融试验方法研究轻集料不同预湿程度对页岩陶粒混凝土抗冻性的影响。
The influence of pre wetting degree on frost resistance of shale ceramsite concrete is studied when shale ceramsite is pre wetted by means of the distinct degree .
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路用性能的试验内容包括:抗压强度、劈裂强度、抗弯拉强度、抗压回弹模量、温缩干缩、抗冲刷试验、冻融试验和疲劳性能试验。
The road performance test include : compression strength , cleavage strength , rupture strength , modulus of compression strength resilience , shrinkage , fatigue test and washout test .
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同时展开了高强混凝土的冻融试验;在试验的基础上,分析了高强混凝土的初劣点与陡劣点以及它们的规律。
Furthermore , based on freeze thaw experiments for the high strength concrete , attempts are made to analyze the initial degenerate point and the sharp degenerate point as well as their regularities .
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采用混凝土实体,通过快速冻融试验来探索混凝土水饱和状态下,冻融过程中的破坏机理。
A quick frost - thawing experiment on concrete , which is under the state fully saturated separately with water was performed to study the destruction mechanism during the process of frost - thawing .
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对比快速冻融试验前后混杂纤维高性能混凝土的抗压强度试验和劈拉强度试验结果可以发现,200次冻融循环明显降低高性能混凝土的抗压强度,但对劈拉强度的影响很小。
Result of compressive strength and splitting tensile test of HPC before and after rapid freezing and thawing test addresses that , compressive strength of HPC is more sensitive to FTC than splitting tensile strength ;
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湿度对多孔性基层混合料的抗冻融耐久性评价结果有明显影响,不宜直接采用水泥混凝土的饱水冻融试验方法。
The humidity evidently affects the evaluating results of the frost resistance of the porous base mixture , and the frost-thaw test while the sample is full-water is not feasible to directly using to evaluate .
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采用快速冻融试验,探讨冻融循环次数、粘结面粗糙度和界面剂类型等因素对新老混凝土粘结性能的影响规律。
With quickly freeze-thaw testing , some factors affecting behavior of bonding young to old concrete are invesitigated : cycles of freezing and thawing , method of interfacial treatment , interfacial roughness , interfacial agent , etc.
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冻融试验结果表明,该区粘性路基土易受水温条件变化的影响,冻融循环对土的含水量、密度、回弹模量及抗剪强度都有一定的影响。
The result of freezing and thawing test showed that viscous subgrade soil effect of the variation of water temperature conditions , freeze-thaw cycles fuction effected on water content 、 density 、 springback modulus 、 shearing strength .
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通过快速冻融试验、碱化试验、浸水试验、湿热试验研究了腐蚀环境对纤维增强聚合物复合体力学性能的影响。
Based on the fast freeze-thaw test , the alkaline test , the water immersion test and the wet-thermal test , the influence on the mechanical behavior of FRP ( fiber reinforced polymer ) caused by aggressive environments was studied .
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研究得出:模拟混合料使用最不利湿度状况进行冻融试验时,水泥稳定砂砾的耐冻系数随冻融循环次数的增加而不断减小,约8次循环后基本处于稳定状态;
It is pointed that the frost resistance index of the cement stabilized gravel gradually decreased with the cycle times increased , and primarily reached the steady state after about eight cycles in the process of the frost-thaw test simulating the worst humidity during the base mixture applying .
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采用快速冻融循环试验和湿热试验,研究了腐蚀环境对FRP与混凝土粘结性能、FRP加固混凝土梁、柱受力性能的综合影响。
Based on the fast freeze-thaw test and the wet-thermal test , the influence on bond behavior between FRP and concrete , mechanical behavior of concrete beam and column strengthened with FRP caused by aggressive environments was studied .
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对红砂岩和页岩进行了开放饱水状态下冻融循环试验,一次冻融循环试验包括在-20℃低温冷柜中冻结12h和在常温20℃纯水中融化12h。
The freezing and thawing tests were conducted at opening saturating conditions on red sandstone and shale , one cycle of freeze-thaw test including 12 hours freezing at - 20 ℃ in freezer chamber and 12 hours thawing at 20 ℃ in distilled water .
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利用冻融飞散试验进行沥青混合料抗冻性能评价
Asphalt Mixture Antifreeze Capability Evaluation Using Freezing-Thawing and Scattering Loss Test
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另外,十年天然冻融暴露试验表明,试件表面的裂缝宽度并无增大现象。
Moreover , 10 years exposure tests during natural freezing-thawing cycle indicate width of crack on sample surface did not increase .
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对冻融循环试验结果研究,提出基于动弹性模量衰减的纤维轻骨料混凝土冻融损伤模型。
The research to establish a model of freeze-thaw damage of fiber reinforced lightweight aggregate concrete for relative dynamic elastic based on experimental results has been done .
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通过对不同级配的沥青混合料做冻融循环试验,分析了在冻融循环过程中空隙率的变化规律及其影响因素。
Through freeze-thaw cycle test of asphalt mixture in different gradings , the paper analyes the change laws of porosity in the course of freeze-thaw cycle and its influencing factors .
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本文在此基础上,通过室内疲劳试验和冻融循环试验,对无机结合料稳定铁尾矿砂的疲劳特性和抗冻融耐久性进行了研究。
On the basis of those , durability of fatigue and freezing-thawing resistance performance of inorganic binders stabilized ferrous mill tailings with the optimal ratio were studied by indoor test .
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通过对四种不同配合比的混凝土先后进行冻融循环试验(0、50、150次)和加速碳化试验(0、1、2周),研究冻融前后混凝土碳化性能变化情况。
Four different types of concrete had been studied after exposure to 0,1,2 weeks carbonation after 0,50,150 freeze-thaw cycles to investigate into the effect of freeze-thaw action on carbonation of concrete .
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冻融循环试验表明,由于净浆、砂浆和混凝土这三种水泥基材料孔结构的不同,使得其破坏时的外观和断面形状各不相同。
Freezing and thawing test shows that the figuration and cross-section of cement-based materials ( paste , mortar and concrete ) are different after they damage because of their different pore structures .
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通过冻融循环试验,研究了钢纤维体积率、冻融循环次数、混凝土强度等级对冻融循环作用下钢纤维混凝土动弹性模量的影响,分析了钢纤维混凝土剥落和损伤机理;
Through the experiments on freeze-thaw , it was studied the influence of the grade of concrete strength , the volume fraction of steel fiber and number of freeze-thaw circulation on the dynamic modulus of elasticity .