1.
Mechanical properties of fiber-reinforced high-strength fly-ash concrete on the early age
纤维高强粉煤灰混凝土早龄期强度试验研究
2.
when admixture adding rate increased 6%, strength of test samples in each age is equal to that of samples without compound grinding aids added;
混合材掺量增加6%后,试样各龄期强度与不加复合助磨剂的水泥样强度相当;
3.
EFFECT OF CONCRETE AGE AND STRENGTH ON ITS FRACTURE TOUGHNESS AND CHARACTERISTIC LENGTH
混凝土断裂韧度、特征长度随强度、龄期变化规律
4.
The Strength Development and Evaluation of High-strength Concrete at Early Age
高强混凝土早龄期的强度发展及其评价
5.
Experimental Research on Compressive Strength of Premixed Concrete at Early Age
商品混凝土早龄期抗压强度的试验研究
6.
Research on development coefficient of concrete strength and age with admixture
掺外加剂的混凝土强度与龄期的发展系数研究
7.
Research on Testing the Strength of Early Aged HPC by Rebound Method;
回弹法检测早龄期高性能混凝土强度技术研究
8.
Experimental Study of Relationships Between Age and Strength of Powder Spurting Pile in Different Temperature
粉喷桩在不同温度下龄期与强度关系的试验研究
9.
Relationships between Strength and Age, and Strength and Temperature of Cement Stabilized Aggregate Base
水泥稳定粒料基层结构强度与龄期、温度关系的探讨
10.
When 40% to 50% fly-ash used in it, the increasing strength of lean concrete by age is the largest.
粉煤灰掺量为40%和50%时,贫混凝土的强度随龄期而增长的幅度最高;
11.
cube strength of 28 days
二十八天龄方块强度
12.
Discussion on Increase Trend of Strength and Compression Elastic Modulus of Cored Slabs and Beams Along with Concrete Age
空心板梁混凝土强度与抗压弹性模量随龄期增长趋势探讨
13.
Study of the Concrete Strength of Different Grade and Different Age Tested by Rebound Method
回弹法检测不同等级不同龄期的混凝土强度探讨
14.
Using the staistics method to research the strength of cement mortar changing regular pattern by age
利用数理统计方法研究水泥胶砂强度随龄期变化的规律
15.
Experimental study on time-varying regularity of compressive and bond strength of concrete at early-age
混凝土低龄期抗压与粘结强度时变规律试验研究
16.
The Effect of Photosynthesis Characteristics and Chlorophyll of the Young Zanthoxylum With Light Stress
不同光照强度对幼龄期两面针光合特性及叶绿素含量的影响
17.
A study on the relationship between the shear strength of municipal solid waste and the fill age
城市生活垃圾抗剪强度与填埋龄期关系的试验研究
18.
Segments may be precast long enough to reach sufficient strength and maturity.
块件可以在很早就进行预制，以便使块件混凝土达到足够的强度和龄期。