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technique of prestressing
相关语句
  预应力技术
     Combined with technique of prestressing and bonding FRP,prestressed CFRP strengthening system can significantly increase the rigidity,yield loads and ultimate capacity of concrete beams. The degree of increase depends on the ratio and prestressing level of CFRP.
     预应力CFRP加固技术结合了预应力技术和FRP粘贴技术,能明显提高梁的刚度、屈服荷载和极限荷载,其提高程度随预应力CFRP的用量和预应力水平的提高而增大。
短句来源
     By means of theoretical analysis and field testing of the anti-split effect of prestressed building floor slabs,it was illustrated that the technique of prestressing was very effective for dealing with the anti-splitting problem in super-length structure.
     通过对预应力楼盖的抗裂效果的理论与现场实测分析,说明利用预应力技术解决超长结构的抗裂问题是非常有效的.
短句来源
  “technique of prestressing”译为未确定词的双语例句
     The construction technique of prestressing concrete T type girder using post-tensioning method
     关于后张法预应力混凝土T型梁的施工技术
短句来源
     Measuring Technique of Prestressing Force
     预应力混凝土结构的预应力测量技术的探索研究
短句来源
     In our country, the technique of prestressing concrete has been applied in engineering projects for 40 years.
     预应力混凝土技术在我国工程建设中的推广应用,已有四十年的历史。
短句来源
  相似匹配句对
     Measuring Technique of Prestressing Force
     预应力混凝土结构的预应力测量技术的探索研究
短句来源
     technique.
     这一技术可以增加3dB带宽。
短句来源
     Technique of External Prestressing Structure and Its Application
     体外预应力结构技术及工程应用
短句来源
     Valuble data and reference for prestressing technique are presented.
     为今后进一步发展及推广预应力新技术提供了参考.
短句来源
     APPLICATION OF PRESTRESSING TECHNIQUE IN STRENGTHENING OF BUILDING STRUCTURES
     预应力技术在建筑结构加固中的应用
短句来源
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According to many successful dealings with high slop,the influence of slop stability to prestressed anchor rope drawing craft about consolidated structure was studied.By mechanic analysis,the principle of prestressed anchor rope drawing craft about consolidated structure was chosen and adopted,the drawing techniques of prestressing force of anchor rope pile & base beam were performed.

根据大量高边坡处理成功的例子 ,对边坡支挡结构锚索张拉工艺对坡体稳定性的影响进行研究 ,通过对不同的锚索张拉工艺的力学分析 ,明确选择合理锚索张拉工艺的原则 ,确定预应力锚索地梁和预应力锚索桩较合理的锚索张拉工艺

The application of Fiber Reinforced Plastics(FRP) in reinforcement engineering is one of the most popular fields in the studies of civil engineering.A concise state-of-the-art survey and new progress of the technology of FRP strengthening are presented,including studies in terms of hybrid fiber reinforced plastics(HFRP),masonry structures strengthening with FRP,prestressed carbon fiber reinforced plastics(CFRP) strengthening and combination strengthening with both CFRP and steel sheets.Experimental studies show...

The application of Fiber Reinforced Plastics(FRP) in reinforcement engineering is one of the most popular fields in the studies of civil engineering.A concise state-of-the-art survey and new progress of the technology of FRP strengthening are presented,including studies in terms of hybrid fiber reinforced plastics(HFRP),masonry structures strengthening with FRP,prestressed carbon fiber reinforced plastics(CFRP) strengthening and combination strengthening with both CFRP and steel sheets.Experimental studies show that both the load carrying capacity and the plasticity of concrete columns strengthened by means of HFRP are significantly higher than those strengthened with single type of fiber,and that with the same bearing capacity increase,HFRP strengthening cost is greatly reduced comparing with that of CFRP strengthening.With the FRP strengthening system,performances of masonry structures increase obviously in terms of seismic resistance,shear resistance and flexural capacity out of plane.Combined with technique of prestressing and bonding FRP,prestressed CFRP strengthening system can significantly increase the rigidity,yield loads and ultimate capacity of concrete beams.The degree of increase depends on the ratio and prestressing level of CFRP.Studies on prestressing strengthening are focused on prestressing level,end anchorage and prestressing losing etc.As a new type of strengthening technique,combination strengthening with bonding CFRP and steel sheets can greatly improve the ultimate carrying capacity and the performance of concrete structures,because the steel sheets,which directly work together with concrete,can confine the deformation of concrete and meanwhile increase the efficiency of CFRP.

纤维增强复合材料(FRP)在加固工程中的应用是土木工程研究热点之一。围绕国内外FRP加固技术的研究现状以及最新进展,从混杂纤维材料(HFRP)加固、FRP加固砌体结构、预应力碳纤维布(CFRP)加固、CFRP与钢板复合加固混凝土结构等技术的研究方面进行综述。试验研究表明:混杂纤维加固柱的承载力和变形能力优于单一纤维加固,且在承载力提高幅度相同的情况下,成本显著低于CFRP加固柱;FRP加固砌体结构可以提高砌体结构的抗震、抗剪和平面外抗弯性能;预应力CFRP加固技术结合了预应力技术和FRP粘贴技术,能明显提高梁的刚度、屈服荷载和极限荷载,其提高程度随预应力CFRP的用量和预应力水平的提高而增大。预应力加固的研究主要集中于预应力控制值、端部锚固和预应力损失方面。CFRP与钢板复合加固混凝土结构技术作为一种新型的加固技术,可以直接利用钢材参与受力,钢材形成的骨架在约束混凝土变形的同时,还提高了CFRP的利用效率,从而大幅度提高构件的极限承载力,改善构件的工作性能。

By means of field monitoring the strain in beam slab of partial building floors of a typical super-length prestressed floor slab after a period of their prestressing,the variation of stress with the temperature at different monitoring locations was given.Temperature variation condition during a portion of above-mentioned period was chose to analyze the response characteristics of the structure to the temperature.It was shown by the monitoring result that the variation of ambient temperature might result in stress...

By means of field monitoring the strain in beam slab of partial building floors of a typical super-length prestressed floor slab after a period of their prestressing,the variation of stress with the temperature at different monitoring locations was given.Temperature variation condition during a portion of above-mentioned period was chose to analyze the response characteristics of the structure to the temperature.It was shown by the monitoring result that the variation of ambient temperature might result in stress variation in the components,and the middle cross-section of the structure was the most unfavored one for the effect of ambient temperature.By means of theoretical analysis and field testing of the anti-split effect of prestressed building floor slabs,it was illustrated that the technique of prestressing was very effective for dealing with the anti-splitting problem in super-length structure.

通过对一典型超长预应力楼盖的部分楼层梁板在施加预应力后一段时间内应变的现场监测,给出了不同位置测点应力和温度的变化曲线.选取了部分时段内温度变化情况,分析了结构在温度作用下的响应特征.测试结果表明,环境温度的变化会引起构件应力的变化,结构中部截面是环境温度效应最不利的截面.通过对预应力楼盖的抗裂效果的理论与现场实测分析,说明利用预应力技术解决超长结构的抗裂问题是非常有效的.

 
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