But physical excitation has a bad effect on the workability of fresh concrete.
但物理激发对新拌混凝土工作性造成一定的不利影响。
Fresh concrete gains strength most rapidly during the first few days and weeks.
新拌混凝土在开始几天和几周时间内强度增长很快。
In the process of hydration, the cement sets and bonds the fresh concrete into one mass.
在这个过程中的水化，水泥台和债券新鲜具体到一个肿块。
A series of properties of fresh concrete can be described by the rheological characteristics and their parameters.
新拌混凝土的一系列性质可以用流变特征及其流变参数描述。
These testing method should be operated easily and testing data should correspond with the property of fresh concrete.
力求通过简便可行的检验，其结果能够与新拌混凝土的性能有很好的相关关系。
The dynamic response of fresh concrete filling pile under blasting load is studied by numerical simulation in this paper.
采用数值模拟方法，对新浇混凝土灌注桩在爆破振动作用下的动态响应进行了分析。
Template project is the template of the fresh concrete and the whole set of structural system supporting a set of templates.
而其中模板工程是指新浇混凝土成型的模板以及支承模板的一整套构造体系。
The measurement for water cement ratio of fresh concrete is an important method for estimating the early strength of concrete.
新拌混凝土水灰比的检测是推断混凝土早期强度的重要方法。
In this paper, an intellect measure system and the measuring method about water cement ratio of fresh concrete are introduced.
本文介绍了一种智能化的新拌混凝土水灰比快速测量系统、测量原理及系统组成。
It was investigated that the effects of the different content micro-fines on the bleeding rate in manufactured-sand fresh concrete.
测试了不同石粉含量对机制砂混凝土拌合物泌水率的影响。
These testing method should be operated easily and testing data should correspond with the property of fresh concrete. Key words: ready- mix concrete;
从新拌混凝土的质量要求和主要性能指标出发， 对相应的水泥性能指标及检验方法的建立提出了建议。
Large diameter synthetic fiber reinforced concrete was made for measuring the properties of fresh concrete mixture and the impact resistance of the hardened samples.
对掺入大直径合成纤维后的混凝土拌和物性能以及混凝土硬化试件的抗冲击性能进行了试验研究。
The second is control of workability of fresh concrete, if concrete isolation secretion of water, strictly control the vibration time, vibration rehabilitation must be timely.
二是控制新拌混凝土的和易性，如果混凝土离析泌水，严格控制振捣时间，必须适时进行复振。
The consolidating wave speed changes distinctly in 7 days, so it makes up the loss that in being non-destructive testing technology couldn't be used to test the fresh concrete strength.
固结波速在混凝土7天龄期内变化尤为显著，这弥补了现有的混凝土无损检测技术不能应用于检测早龄期(特别是7天龄期以前)混凝土强度这一空白。
PRINCIPLE This Method describes the procedure for determining the time required for a sample of fresh concrete to achieve full compaction when subjected to a standardized vibratory action.
原则本《方法》确定了在标准振荡作用下，混凝土拌合物样本要达到完全压实状态所需时间的测定程序。
Numerical simulation results agree with experimental results, both of which show that velocity of consolidation wave in grouted rock bolt are related to the anchoring strength of fresh concrete.
都显示锚杆中锚固段的应力波波速（固结波速）和锚固介质的强度直接相关，固结波速和锚固介质强度之间成抛物线关系。
However, there are large distinctions between the influences of the two types to the workability of cement paste and fresh concrete, the mechanical properties and microstructure of hardened concrete.
它们对水泥净浆和新拌混凝土的工作性的影响有所不同，此外掺加两类减水剂的硬化产物的力学性能和微观结构也具有很大差别。
An iron chain encircled the plot and fresh flowers sprouted from concrete vases.
一个铁链条绕着这小块地，鲜花从水泥的花座中盛开。
For the Chenjiachong tunnel rebuilding project, the junction and seepage of the fresh and old concrete are tested by using the ground penetrating radar and microwave humidity equipment.
结合既有陈家冲隧道改建工程，采用探地雷达和微波湿度测定仪检测了新旧混凝土接缝处结合状态和渗漏情况。
Cement morter and concrete prepared with seawarer and those prepared with fresh water are comparable in bending strength and compression strength.
水泥胶砂和混凝土的抗压、抗折强度与淡水拌和的相当。
Cement morter and concrete prepared with seawarer and those prepared with fresh water are comparable in bending strength and compression strength.
水泥胶砂和混凝土的抗压、抗折强度与淡水拌和的相当。
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