钢结构

The reducibility and meltability of different burden composition has been studied.

通过对湘钢现行各种炉料结构的熔滴性能和还原性能试验研究，表明湘钢合理的炉料结构是采用75%～80%的熟料率并配加15%～20%的高品位天然块矿。

A mathematic model for Angang BF burden optimum based on linear programming and neural network has been set up,through which the reasonable burden design was found out.

使用线性规划法和神经网络建立数学模型的方法建立安钢炉料结构优化系统，通过该系统得到了安钢高炉合理的炉料结构。

Based on prestressed steel beams, considering effect of the method of construction to slip and stress increment, accoding to conception that procedure of calculation reflects the procedure of construction and change of structural internal force, making good use of the method of section conversion and making iteration reflect the coupling of slip and stress increment, bringing forth a method of iteration and modified stiffness to calculate the deflection of prestressed composite steel-concrete beams in normal servicing prase.

以预应力钢梁为基础，充分考虑施工方法对结构滑移和应力增量的影响，依据设计计算中反映施工过程和结构受力变化过程，通过截面换算，以循环迭代法来考虑滑移和预应力钢束的耦合作用，提出了计算预应力钢—混凝土组合梁正常使用阶段挠度变形的迭代—修正刚度法。

Combining mechanics theory of yield and fracture of ductile metal in classical strength theory with microcosmic fracture mechanics,and by studying fracture stress field in root of notched bar made of constructional steel,the author brought forward loci equation of constructional steel in stress triaxiality space.

结合古典强度理论和微观断裂力学对金属屈服和断裂解释的力学原理，通过对结构钢深槽刻痕杆刻痕根部微观断裂应力场的数值模拟，导出了结构钢在应力三轴空间的屈服轨迹方程。

It is analyzed and compared that the structural behaviors of the steel frame′s idle running and full ...

根据对该干熄炉提升机运行钢框架空载和满载工况时的结构性能的分析和比较，对该引进项目中钢框架的设计提出了改进建议，对以后类似结构的设计具有一定的借鉴意义。

Using principia of stiffness equivalent, it could be transformed to the bracing system so that the soft ware can calculate. Then calculate the member individually, including the calculation of load-behavior capacity, the calculation of high strong bolt with the method of connection with beam, the design method of stiffening rib, etc. The text educed the above-mentioned formula theoretically.5. Linking with windmill flat engineering example in the third youth flat engineering of Yi Zhuang Development Area, Beijing, It and steel frame constitute the steel frame? steel shear wall with slit system respectively are analyzed the whole structure by ANSYS and SATWE. The result is consilient.

既利用刚度等效的原则，把其转换为工程计算软件可以计算的支撑体系，然后对构件进行单独计算，包括承载力的计算、和梁接合方法——高强螺栓的计算、加强肋的设计方法等内容； 5、带缝钢板剪力墙与钢框架形成钢框架——带缝钢板剪力墙结构体系，结合北京亦庄经济开发区青年公寓三期工程中的风车公寓工程实例，分别采用ANSYS和SATWE进行了结构整体分析，两者的计算结果相吻合。

The results show that fibered reinforced wide-beam frames exhibit large displacement and large damping ratio after yielding of structure. Steel fibers contributed to causing less damage during high-level ground motion.

试验结果表明，钢纤维扁梁框架结构屈服后，其最大位移反应和阻尼比均比普通混凝土扁梁框架要大，钢纤维可以降低预应力混凝土扁梁框架在剧烈地震运动作用下的结构损伤。

The 1∶3 scaled-down model test is carried out for the ear plate type cable and girder anchor structure of the steel box girder of Hangzhou Bay Sea-Crossing Bridge,and further,through the model test and simulation analysis,the type of the anchor structure of steel box girder of long span cable-stayed bridge is studied from aspect of stress distribution,force transformation path,safety and workability of the structure.

对杭州湾跨海大桥钢箱梁耳板式索梁锚固结构进行了1∶3缩尺模型试验，并通过模型试验和仿真分析相结合，研究大跨度钢箱梁斜拉桥中耳板式索梁锚固结构的应力分布、传力途径、安全性能和使用性能。

After studying casting process from ladle to pouring box and protection casting supporting mechanical structure, vibration dynamics model of supporting structure is founded, also variation of stee...

通过对钢包到中间包保护浇注的过程及其支承结构的相关研究，建立保护浇注支承结构的振动动力学模型，并且考虑对钢液冲击力的变化及影响测振点振动的因素，利用基本小波处理方法对钢水振动信号进行初步分析，并通过小波包技术进行进一步的特征提取，最终实现对钢液状态的有效识别。

After studying casting process from ladle to pouring box and protection casting supporting mechanical structure, vibration dynamics model of supporting structure is founded, also variation of steel water impact force and influencing factors of inspecting spot vibration are discussed. Primary analysis is done for steel water vibration signal by the way of basal wavelet processing method, and the deeply feature extraction is finished to realize the effective recognition for steel water status using wavelet package method.

通过对钢包到中间包保护浇注的过程及其支承结构的相关研究，建立保护浇注支承结构的振动动力学模型，并且考虑对钢液冲击力的变化及影响测振点振动的因素，利用基本小波处理方法对钢水振动信号进行初步分析，并通过小波包技术进行进一步的特征提取，最终实现对钢液状态的有效识别。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。