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1)  prestressed simple box girder
预应力简支箱梁
1.
Manufacturing of 40 m prestressed simple box girder and its erecting equipment selection
40m铁路预应力简支箱梁制造和架设设备选型
2)  Simply supported steel box girder with prestressed tendons
预应力简支钢箱梁
1.
Based on the experimental result of model experiment of simply supported steel box girder with prestressed tendons,models of simply supported steel box girder and simply supported steel box girder with prestressed tendons were established by using finite element analysis software ANSYS and mode analysis was carried on to them.
以预应力简支钢箱梁模型试验的测试结果为基础,应用有限元分析软件ANSYS建立普通简支钢箱梁和预应力简支钢箱梁模型并对其进行模态分析,将有限元计算结果和模型试验测试结果进行对比,从而验证预应力简支钢箱梁有限元模型的正确性。
2.
Based on the result of model experiment of a simply supported steel box girder with prestressed tendons,finite element models of a simply supported steel box girder and a simply supported steel box girder with prestressed tendons were established with ANSYS finite element analysis software.
以预应力简支钢箱梁模型试验的测试结果为基础,应用有限元分析软件ANSYS建立了普通简支钢箱梁和预应力简支钢箱梁有限元分析模型,分析结果得到模型试验的良好验证,并用该模型分析了预加力对简支钢箱梁的固有频率的影响以及钢索索力大小、钢索截面面积和钢箱梁钢板厚度对预应力简支钢箱梁固有频率的影响。
3.
This paper presents the influence of the magnitude of prestress force,eccentricity of anchor on natural frequency of simply supported steel box girder with prestressed tendons.
建立了预应力钢箱梁振动性能的非线性分析模型,并推导了曲线型布索的预应力简支钢箱梁自振频率计算公式;以曲线型布索的预应力简支钢箱梁试验模型为基础,应用有限元分析软件ANSYS建立了预应力简支钢箱梁模型并对其进行模态分析,通过模型试验的自振频率测试结果和有限元分析结果验证了理论公式推导的正确性;采用理论计算和有限元数值计算相结合的方法研究了预应力钢索索力、锚固位置对预应力简支钢箱梁自振频率的影响。
3)  simple prestressed concrete beam
预应力混凝土简支箱梁
1.
Taking Guangzhou Station construction along Wuhan-Guangzhou Passenger Line,this paper introduces and analyzes new standards and techniques of simple prestressed concrete beam construction,providing a general knowledge for the readers with construction control in this project.
文章以武广客运专线新建铁路新广州站及相关工程为例,介绍和分析高速铁路预制预应力混凝土简支箱梁施工的一些新标准和工艺,让读者对高速铁路预制预应力混凝土简支箱梁的施工控制有概貌性的认识。
4)  prestressed simple beam
预应力简支梁
1.
Precamber and creep of prestressed simple beams in eastern extension viaduct section of Metro Line 2 in Shanghai were monitored.
以上海地铁二号线东延伸段高架区间的预应力简支梁为研究对象,对预应力简支梁在各阶段预拱度和后期徐变进行跟踪监测。
5)  simply supported PC T girder
预应力简支T梁
6)  simple supported then continued prestressed concrete box girder
先简支后连续预应力混凝土小箱梁
补充资料:预应力
分子式:
CAS号:

性质:试验中试样所受到的预加的恒定静态应力,单位为Pa。在生热性疲劳试验中,如固特里奇屈挠试验中,一般都施加一恒定预应力,使试样产生一静态变形,再叠加一周期压缩变形进行试验,通常预应力的大小会影响试样的疲劳寿命,预应力越大,则试样寿命会越明显缩短。也有的先施加一静态压缩变形,再叠加周期性剪切变形进行试验。

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