Influence of superplasticiser on early shrinkage and total shrinkage of concrete;
减水剂对混凝土早期收缩和总收缩的影响
125% early shrinkage at 29 d hydration.
研究了硅灰对硬化水泥浆体早期收缩的影响 。
In order to investigate the dynamics of early shrinkage and expansion we developed a special set-up of two laser units which are horizontally aligned.
为了研究早期收缩和膨胀的动态行为,我们开发了一种特殊的装置,它带有两个平行对准放置的激光器。
Experimental study on effects of polypropylene fiber on early-age shrinkage in concrete;
聚丙烯纤维对混凝土早期收缩影响的试验研究
Based on 4 kinds of concretes with and without superplasticizer,early-age shrinkage of concrete with a different cure time was measured by means of self-designed and manufactured early-age shrinkage testing set.
目的研究早期养护时间对混凝土早期收缩的影响,并定量地阐明早期养护对减小收缩和抑制早期裂缝的重要性。
By the apparatus for measuring early-age shrinkage, the principle of this shrinkage and the measures t.
本文正是针对混凝土结构工程早期裂缝的严重性，通过理论分析，指出目前混凝土早期收缩(主要自收缩)的变大是造成这种早期裂缝的主要原因之一。
Effects and mechanics of superplasticizer,pulverized fly-ash and blast furnace slag on the early age shrinkage of concrete were studied to reduce the early age shrinkage and control the early age shrinkage crack.
目的研究减水剂、矿粉、粉煤灰和减缩剂对混凝土早期收缩的影响及其作用机理,以期降低混凝土早期收缩和控制早期收缩裂缝。
The autogenous shrinkage of HPC develops greatly and mainly during early age due to a low water binder ratio,but there is no standard test method for early autogenous shrinkage of the concrete.
高性能混凝土因水胶比低、自收缩大且主要发生在早期 ,而目前对于早期自收缩的测量还没有统一标准可依。
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
Experiment Study on the Concrete Early-age Shrinkage and Anticrack Properity;
混凝土早期收缩与抗裂性能试验研究
Experimental research on initial dry shrinkage properties of general porous concrete
多孔混凝土早期收缩性能的试验研究
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 Investigation and Theoretical Modeling on Early-age Shrinkage Cracking in Concrete;
混凝土结构早期收缩裂缝的试验研究与收缩应力场的理论建模
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
The Pre-control Measures and Analysis on Shrinkage Cracks in Concrete
混凝土早期收缩裂缝实例分析及预控措施
Formation Mechanism of Early-age Shrinkage Cracking in Commercial Concrete and Crack Control Idea
商品混凝土早期收缩裂缝形成机理与控裂理念
Experimental Investigation on Early-age Shrinkage and Cracking-resistance Property in Polypropylene Fiber-reinforced Concrete;
聚丙烯纤维混凝土早期收缩与抗裂性能试验研究
pulmonary protosystolic ejection sound
肺动脉收缩早期喷射音
Restrained Shrinkage Properties of Reinforced Concrete at Early Age;
钢筋混凝土早龄期约束收缩性能研究
Study on Eddy Current Method for Concrete Early Age Shrinkage Measurement
混凝土早龄期收缩测试电涡流法的研究
Quantitative Evaluation of Left Ventricular Systolic Function after Off-pump Coronary Artery Bypass Graft by Acoustic Density and Doppler Tissue Imaging;
AD、DTI评价OPCAB术后早期左室心肌收缩功能
Early-age autogenous shrinkage experimental study of high performance concrete column under construction-site conditions
施工现场高性能混凝土柱早期自收缩试验研究
EFFECT OF COARSE AGGREGATE ON EARLY AGE AUTOGENOUS SHRINKAGE OF HIGHPERFORMANCE CONCRETE
粗骨料对高性能混凝土早期自收缩的影响(英文)
MEASUREMENT WITH CORRUGATED TUBES OF EARLY-AGE AUTOGENOUS SHRINKAGE OF CEMENT-BASED MATERIALS
采用波纹管测试水泥基材料早期自收缩方法
Early and late systolic murmurs also occur and should be distinguished from ejection murmurs.
在收缩早期或晚期也会出现杂音，应与喷射音相区别。
A Empirical Study on How to Induce an Animal Model of Isolated Systolic Hypertension and Early Intervention;
单纯收缩期高血压动物模型建立及其早期干预的实验研究