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- Due to the influence of concrete creep and long-term loads,deformation of the high-speed dedicated passenger railway track girders increases with time gradually. 由于混凝土徐变的影响,高速客运专线轨道梁在长期荷载的作用下,变形随着时间不断增加,严重影响了轨道梁的使用性能,甚至危及行车安全。
- Considering the randomness of strength and deformation of concrete material, a mathematic approach of producing random variables series of concrete ultimate tensile strain is proposed. 摘要针对混凝土构件材料强度和变形性质的随机性,采用数学方法提出构造混凝土极限拉应变数列的原理。
- The grey model and extended grey dynamic model considering the influence of loading time on creep of concrete were used to predict the long-term deformation of 6 self-compacting concrete beams on the basis of short-term experimental data. 摘要采用灰色系统模型以及灰色动态拓广模型考虑荷载持续时间对混凝土徐变的影响对6根自密实混凝土梁的长期变形进行预测研究。
- The machine rests on a bed of concrete. 机器安装在混凝土基座上。
- Presupposed deformation of concrete simple beam 混凝土简支梁预设变形值探讨
- The statue rests on a bed of concrete. 这座雕像立在混凝土的基座上。
- self-volume deformation of concrete 自生体积变形
- These buildings are made of concrete and steel. 这些房屋是用钢筋混凝土建成的。
- The gravel ingredient of concrete. 石碴组成混凝土的砂料
- She appeared to deformation of the face. 她出现了能变形的面孔。
- A mold for the setting of concrete. 模板浇注混凝土的模板
- Deformation of a spring is linear with the force applied on it. 弹簧的变形量与施加在其上的作用力成线性关系。
- This kind of concrete sets quickly. 这种混凝土凝结得很快。
- They set the pole in a bed of concrete. 他们把旗竿竖在水泥基座上。
- The blocks should be laid on a bed of concrete. 石块应该固定在混凝土基座上。
- Tomorrow can be a day of concrete acts. 明天这一天可以真枪实弹地干一下子。
- Make concrete analysis of concrete conditions. 具体问题具体分析.
- Sketch the deformation of the frame corresponding to each. 画出每一种情况下的钢架变形草图。
- Protective earthing specification of concrete vess. 水泥船安全接地技术条件。
- The hardness of ice is similar to that of concrete. 冰的硬度和混凝土相仿。