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1·But bad construction control results in some low concrete grade of foundation piles and some broken piles.

在施工中，由于管理不善，造成部分基桩砼标号低于设计标号，并伴随有断桩等现象的工程质量事故。

2·Now the present code has got considerable changes in concrete grade of strength. In order to understand and put the present code into practice correctly, this paper has stated …

为了正确理解和执行现行规范，本文采用对比的方式叙述了这种变化，并导出了对工程非常有用的混凝土强度等级与原规范混凝土标号之间的换算关系。

3·At the end of the paper, a stress strain response model of different concrete grade has been built only using the compressive strength, and this model coincides well with the experiment results.

文末，仅通过混凝土立方体抗压强度，建立了不同强度等级混凝土的应力-应变曲线上升段本构关系，该模型结果与试验结果吻合很好。

4·To maintain the natural grade, the team elevated a portion of the structure using concrete columns that required minimal foundation work.

为了保持自然的地形，团队使用混凝土柱子升高了结构部分，这样只需最小的基础工作。

5·The model includes solid velocity, space grade of saturation with vapour density and space grade of porous pressure in concrete multiphase system.

考虑了混凝土多相系统中固体速度、饱和度乘蒸汽密度的空间梯度和孔隙压力空间梯度；

6·Finally, combining the concrete example, USES this established model to safety evaluate, and adopts the fuzzy characteristic vector of safety grade to confirm the security grade.

最后结合具体实例，运用所建立的模型进行安全评价，采用安全等级模糊特征量确定应用实例的安全等级。

7·The complex sits over a below grade car park with light timber framing clad in corrugated iron and plastered concrete panels.

这个综合住宅区坐落在地下停车场上方，轻木骨架用波状钢和石膏混凝土面板包覆。

8·Concrete intensive grade is C25, the main variable parameters such as initial load and load history, CFRP amount, reinforcement ratio, anchor measure was adopted.

试验采用的混凝土强度等级为C25，主要变化参数为初始荷载及加载历史、CFRP加固量、纵筋配筋率、锚固措施等。

9·Comparing with lower grade concrete in early years, a lot of characters have been changed for modern concrete, such as the changes of concrete composition, to solidify early and high intensity, etc.

与以往混凝土标号普遍较低的情况相比，现代混凝土的组分发生了变化，并往往具有早强、高强的特点。

10·Based on the experiments of HRB400 grade reinforced concrete columns, the hysteretic behaviors is analyzed, and the damage degree is evaluated.

基于HRB400级钢筋混凝土柱的试验，对其滞回性能进行分析与研究，并对其损伤程度进行评价。