混凝土抗压强度降低比较明显。
Simultaneously, the compressive strength of concrete falls markedly.
拌和及养护的温度高，混凝土抗压强度低。
Casting and curing of concrete at elevated temperature would decrease its compressive strength.
磁化处理外加剂对混凝土抗压强度有相当的提高。
The compressive strength of concrete improves a lot when mixed with magnetic treated admixtures.
为了估计混凝土抗压强度，抗拔力锚固系统出现故障时，测量。
To estimate the concrete compressive strength, the Pullout force when the anchorage system fails is measured.
回弹法作为测试混凝土抗压强度的无损检验方法，既方便又可靠。
The rebound method is a nondestructive testing method which can test the concrete compressive strength, and it is very convenient and dependable.
实验和分析研究表明，新提出的方法在估计就地混凝土抗压强度精确。
The experimental and analytical studies show that the newly proposed method is accurate in estimating the in-place concrete compressive strength.
使用水泥新标准后，水泥强度同混凝土抗压强度之间的关系随之变化。
After the new cement standards come into force, changes take place in the relationship between the cement strength and concrete compression strength.
减水率达25%，坍落度损失低，各龄期混凝土抗压强度都有较大提高。
And water reducing ratio of concrete is 25%, slump lose a little. Its every age compressive strength has increased obviously.
水泥及纤维膏用量与水镁石纤维混凝土抗压强度之间存在显著的线性相关性。
Between the dosage of cement and fiber cream and the compressive strength of brucite fiber reinforced concrete there are the remarkable linear relationship.
试验给出有层面碾压混凝土抗压强度、层面劈拉强度、层面轴拉强度间相关关系。
The dependence relations among compressive strength, splitting tensile strength and axial tensile strength of RCC with layer surface have been obtained.
检测混凝土抗压强度时回弹值的不确定度，提出了用不确定度评估回弹值的方法。
The uncertain degrees is analyzed when a bouncing device is used to monitor the strength of pressure-resistance and the method of evaluation is suggested.
试验结果表明，混凝土抗压强度不仅与水灰比密切相关，而且与骨料压碎指标有关。
Experimental results show that the compressive strength of concrete is closely related not only to the water-to-cement ratio, but also to the crushing value of aggregate.
探讨了受火温度、高温后静置时间及冷却和养护方式对火灾高温后混凝土抗压强度的影响。
The effects of high temperature, standing time after cooling, methods of cooling and curing on the compressive strength of concrete are discussed.
对影响回弹法检测混凝土抗压强度质量的因素进行了综合分析，并提出了解决问题的方法。
In this article, the author comprehensively analyzes factors which influence concrete strength quality detected with the rebound method, and provide relevant solutions.
这两种复配型减水剂能明显改善混凝土的和易性，降低坍落度损失和提高混凝土抗压强度。
They can remark ably improve the workability, reduce the gradual loss of lump and improve the compressive strength of concrete.
通过试验研究给出有层面碾压混凝土抗压强度、面轴拉强度与层面极限拉伸值间相关关系。
The correlation between the compressive strength and axial tensile strength of RCC with placing joint and ultimate tensile strain of placing joint of RCC layers have been obtained.
根据未确知数学理论，提出了小样本条件下灌注桩混凝土抗压强度代表值的未确知数分析法。
The unascertained mathematics was introduced to analyze the representative values of compressive strength of concrete core from cast in-suit pile at the condition of small sampling data.
本文研究了粉煤灰、减水剂掺量与水灰比对粉煤灰道路混凝土抗压强度、脆性系数的影响。
The influences of flyash, water reducer and W/C on the strength and brittleness of flyash paving concrete were investigated.
回弹仪是用来检测混凝土抗压强度的一种无损检测仪器，广泛应用于混凝土施工的整个过程之中。
Rebound hammer is a sort of nondestructive instrument, which used to detect concrete's resisting pressure intensity.
分析了用回弹仪检测混凝土抗压强度时回弹值的不确定度，提出了用不确定度评估回弹值的方法。
The uncertain degrees is analyzed when a bouncing device is used to monitor the strength of pressure-resistance and the method of evaluation is sugg…
通过对影响塑性混凝土抗压强度因素的详细分析，得出了各因素对塑性混凝土抗压强度的影响规律。
According to analysing the influencing factors of compressive strength of plastic concrete in detail, the influencing rule of each factor to the compressive strength of plastic concrete was drawn.
采用灰色关联理论研究了硫酸盐浓度、水胶比、矿物掺合料及外加剂等因素对混凝土抗压强度的影响。
Effects of sulfate concentration, water-binder ratio, mineral admixtures and chemical additives on the compressive strength of concrete were studied through the grey relational analysis.
研究了再生骨料掺量、粉煤灰取代水泥量、粉煤灰超量系数和水灰比对粉煤灰再生混凝土抗压强度的影响。
The effects of recycled aggregate quantity, PFA replacing cement quantity, PFA over-replacing quantity and water cement ratio on PFA regeneration concrete compression strength were studied.
利用磨细粉煤灰、磨细矿渣和硅灰作为矿物掺合料，研究了各种矿物掺合料对粉煤灰陶粒混凝土抗压强度的影响。
This paper studys the influence of the mineral admixtures such as ultra-fine fly ash, ultra-fine slag and silica fume on compressive strength of lytag concrete.
根据统计分析和贝叶斯估计结果，建议了强度等级为C20和C30再生混凝土抗压强度的标准值与标准差的取值。
Based on the results of Bayes estimations, the standard deviations for the compressive strength of RAC with strength grades of C20 and C30 were proposed.
本文研究了再生粗骨料掺量、再生细骨料掺量、粉煤灰取代水泥量和水灰比对再生混凝土抗压强度和坍落度的影响。
The effect of recycled coarse aggregate quantity, recycled fine aggregate, PFA replacing cement quantity and water cement radio on the recycled concrete compression strength and slump.
某工业厂房现浇混凝土楼面由于混凝土抗压强度偏低和负弯距钢筋下移，造成了抗弯承载力不足，出现了大量裂缝。
The low grade of concrete and negative moment reinforcement descending cause the appearance of concrete crack in a workshop floor.
当钢纤维体积含量超过3.5%后，活性粉末混凝土抗压强度下降，劈拉强度略有提高，而抗折强度仍有明显的提高。
When the steel fiber volume fraction is higher than 3.5%, its compressive strength decreases, the splitting tensile strength increases slightly, however, its flexural strength increases obviously.
得出了各种强度指标、变形模量及峰值应变与混凝土抗压强度的回归关系式 ，加深了对超高强混凝土的力学性能的认识。
The thesis presents several regression equatons that of others strengths, modulus of deformation and peak strain with compressive strength. It offers some importaint data for utilization of…
得出了各种强度指标、变形模量及峰值应变与混凝土抗压强度的回归关系式 ，加深了对超高强混凝土的力学性能的认识。
The thesis presents several regression equatons that of others strengths, modulus of deformation and peak strain with compressive strength. It offers some importaint data for utilization of…
应用推荐