Research and application of detection method to compressive strength ratio for pump antifreezer;
混凝土泵送防冻剂抗压强度比检测方法的研究与应用
Effect of the size and the proportion of gas coal and coal-char on the consist-compressive strength of formed coke;
煤料的粒度对型焦抗压强度的影响
Influence of pressure head roughness upon compressive strength and test result dispersion of single crystal diamond;
压头粗糙度对金刚石抗压强度及单颗粒测量值离散性的影响
Relation between compressive strength and fractal dimensions of jointed rock-mass;
节理岩体分形维数与抗压强度的关系探讨
Study on relationship between particle size distributional fractal dimension of cement particles and compression strength of cement mortars;
水泥颗粒粒度分布分形维与其胶砂抗压强度的关系研究
Discussion on notation about compression strength σ_d of metallic powder;
金属粉末抗压强度σ_d值表示法的探讨
Study on the influence factors of compression strength of coking coal slime briquette;
影响炼焦煤煤泥型煤的抗压强度因素研究
Effects of the Number of Firing on Strength of Nano-ceramic and Traditional Ceramic in Metal-ceramic Crown Prosthsis;
烧结次数对纳米陶瓷与普通陶瓷金瓷冠抗压强度影响的对比研究
Microstructures of the sintered specimens were examined by scanning electron microscopy and their strengthes and average coefficients of thermal expansion were tested.
对这些材料分别进行抗压强度测试 ,用扫描电镜观察了显微结构 ,测定了室温 - 10 0 0℃的平均线膨胀系数。
Experiments show that the workability,the amount of cement and fine aggregate and the mechanical strength of concrete are influenced with the addtion of the fly-ash.
简明介绍了包头地区粉煤灰的成分和特点 实验表明,粉煤灰掺入后对混凝土的和易性、骨料、水灰比和最终抗压强度都有所改善 粉煤灰对提高混凝土的塌落度有明显作用,可以减少水泥和细骨料的比例等 水泥用量不变时,加入适量粉煤灰可以提高混凝土最终抗压强度 实验表明,包头地区粉煤灰完全可以在混凝土工程中应
In order to greatly enhance the primary press strength of cement grouting liquid,types and weights proportion of additives were obtained based on the experimental study.
通过室内水泥浆液配制试验优选出水泥外加剂类型及加量比例,使普通硅酸盐水泥浆2~3 d凝期的抗压强度提高50%~100%,以加快锚固工程施工速度。
Under condition of experimental raw material quality, tested setting time, soundness, chemical shrinking rate and press strength of concrete mixed with high calcium fly ash only and concrete mixed with high calcium fly ash and steel slag to study their application in concrete by correlative standard experiment method .
(2)在取代50%的水泥条件下,高钙灰与钢渣复合比单掺高钙灰的抗折抗压强度效果好,而且高钙灰和钢渣掺量之间根据设计要求不同存在着最佳掺量配比。
Under the condition that pumping period(15-50 min) of the cement slurry is suitable,the press strength of common silicate cement grouting liquid could increase 50 to 100 percent th.
试验确定了氯化钠、硫酸钠、三乙醇胺、水玻璃、纤维、硅灰等水泥外加剂或填料的加量比例,在满足浆液可泵期(15-50m in)的前提下,使结石体2-3d凝期抗压强度提高到15-25MPa,与改性前的纯水泥浆液相比,其抗压强度提高了50%-100%,从而加快了锚固工程施工速度,使支护边坡位移得到及时的控制。
With Partial Least Squares Regression(PLSR)technique,studied effect of the related factors on 7 d,28 d and 90 d compress strength of high strength concrete,and the effect factors are concrete material quantity,water-binder ratio,silic powder mixing quantity,fly ash mixing quantity,slump constant and mixing quantity of water,stone and sand.
运用偏最小二乘回归(PLSR)的原理,分析研究了胶凝材料用量、水胶比、硅粉掺量、粉煤灰掺量、坍落度以及水、石、砂掺量等有关因素对高强混凝土7d,28d和90d抗压强度的影响;并用R统计软件进行了多元多重线性回归分析,建立了高强混凝土抗压强度与其影响因素之间的多因变量的PLSR模型,该模型的预测误差较小,能较好地应用于混凝土施工质量预测和控制。
The text try to find the affect factor to tensile strength and compress strength in all ages of concrete.
分析了高性能混凝土强度形成机理并进行了正交试验设计,试图找到混凝土各龄期抗压强度、抗拉强度的影响因素,为今后的试验和设计提供一定的参考。
The age strength of the mortar compress strength of high calcium fly ash cement was tested.
将高钙粉煤灰与纯水泥分别粉磨至不同的细度 ,然后分别与纯水泥按 1∶1的比例配成高钙粉煤灰水泥 ,进行龄期抗压强度试验。
compressive strength, compression strength
抗压强度,耐压强度
testing method for compressive (crushing) strength of fired whiteware materials
陶瓷抗压强度试验方法
crushing strength at elastic limit
弹性极限的抗压强度
testing method for compressive properties of plastics
塑料抗压强度试验方法
edgewise compression strength
(纸板)边缘抗压强度
aerated concrete compressive strength
加气混凝土抗压强度
STUDYING EFFECT OF TWILL OF WOOD ON COMPRESSIVE STRENGTH
木材斜纹对抗拉、抗压强度影响的研究
Influential factors of compressive strength for steel fiber reinforced high-strength concrete
钢纤维高强混凝土抗压强度影响因素
Interrelated law between mode-Ⅰ fracture toughness and compression strength of rock
岩石断裂韧度与抗压强度的相关规律
Study on Relationship of Concrete Maturity and Compressive Strength
混凝土成熟度与抗压强度的关系研究
Assessment Method of Unconfined Compression Strength and Compactness;
无侧限抗压强度与压实度评定方法的探讨
Experimental investigation of compression speed influence on the compressive resistance of electrorheological fluids
压缩速度对电流变液抗压强度影响的实验研究
method of test for crushing strength and modulus of rupture of castable refractories
可浇灌耐火材料抗压强度测定
Test method for compressive strength of ceramic floor tiles
GB/T2583-1981陶瓷地砖抗压强度试验方法
Standard test method for compressive resistance of domestic ceramic -
GB/T4740-1984日用陶瓷抗压强度测定方法
Production of products of high compressive strength, the standard specifications, design aesthetic.
生产的制品抗压强度高、格标准、案美观。
Method of testing in compressive strength parallel to grain of wood
GB/T1935-1991木材顺纹抗压强度试验方法
specified works cube strength
指定的立方体试件抗压强度