This bridge is shown in outline in Fig. 18a, and its dominant tower is depicted in Fig. 18b. The deck for the clear span was constructed with cantilevered steel sections, while the single tower was erected with prestressed concrete. 图18a为该桥的轮廓图,图18b为其主塔。净跨桥面为悬臂钢梁,主塔用预应力混凝土建造。
The conditions for vortex induced vibration of concrete and steel deck sections, as well as the lock-in wind velocity regions and vibration amplitudes were obtained. 获得了混凝土梁和钢梁两种断面发生涡振的条件、涡振锁定风速范围及涡振振幅;
The Factory provides to the customers and process for the customer with different formed section steels, especially the steel with complex geometric sections. 本厂同时还为客户提供和加工各种冷弯型钢,特别是几何断面复杂的冷弯型钢。
Seismic performance of moment connections between cold-formed steel sections Method of Point-Supported Insulating-Laminated Glass Unit Bending Loading Design 点支式中空夹层玻璃的抗弯设计方法
Ductility coefficients of concrete-filled steel tubular sections 圆钢管混凝土截面延性系数
Cold-formed steel sections are lightweight materials and suitable for building construction owing to their high structural performance and durability. 冷弯薄壁型钢作为轻质高强材料,由于其高结构性能,非常适合作为结构材料。
Mold flux application of High-Mn steel on big sections 圆坯大断面中碳高锰钢专用保护渣的应用研究
Restoring force analysis of steel thin walled sections subjected to cyclic biaxial bending with axial load 任意形状薄壁钢截面双轴压弯恢复力分析
Effective lengths of concrete-filled steel square hollow sections in fire 火灾下方形截面钢管混凝土柱的有效长度取值
And then a steel element-section-mathematical-model-base was established, from which we can optimize a variety of steel element sections conveniently. 并在此基础上建立了钢结构截面优化数学模型库,通过调用不同的钢结构截面数学模型,可方便地对各种钢结构截面进行优化设计。
Product series of cold-forming steel sections and their application to constructional engineering 冷弯型钢的产品系列及在建筑工程上的应用
Explosive Clad of Ta-10W Liner Tube and Steel Tubular Sections Ta&10W衬管与钢管段的爆炸复合
Bounding surface theory is employed to allow for gradual plastification of steel cross sections. 采用边界面理论来考虑塑性沿构件截面的连续性。
As structural component, square hollow steel sections have favorable properties for resisting compression, bending and torsion. 方管作为结构构件,在压、弯、扭方面具有优越的性能。
The results of examples show that the method applied to the optimization design of steel element sections is effective and feasible. 算例结果表明,该优化算法用于钢结构截面优化设计是有效可行的。
Under the action of shear force and torsion, the calculation of shear fluid in thin wall multi boxes steel sections can be attributed to the solution of a group of linear equations. 在剪力或扭矩作用下,钢结构薄壁多室箱形截面的剪力流的计算可归结为求解一线性方程组。
This paper analyzes the ultimate strength of steel sections subjected to axial loading, bending and shear as well as shear strength of reinforced concrete short columns in frames. 本文分析了承受轴力、弯矩及剪力的型钢构件极限承载力和钢筋砼框架短柱受剪承载力。
At last, based on the analysis of optimal results of steel element sections, a suggestion for optimal selection of sections is proposed, which is able to guide engineers to make a rational decision on selecting steel element sections in real design projects. 最后,基于钢结构截面优化工作的基础上,给出各种不同受力条件下的截面形式优选建议,所得结论为钢结构设计工程师的构件选型设计提供了依据,具有实际工程意义。
According to the discrete characteristic of steel sections, the geometrical properties of the member cross-section can be expressed in terms of the axial area by regression analysis and the discrete design variables optimization is transformed into the continuous design variables optimization. 本文根据型钢截面的离散性特点,通过回归分析拟合截面其他特性与截面积的关系,将离散变量优化转化为连续变量优化。
Experiments were conducted on 16 steel-concrete composite beams ( SCCB) with compact steel sections to investigate their shear resistance behavior. 为研究钢混凝土组合梁正弯矩区的复合抗剪能力,对16根密实截面钢混凝土组合梁的组合抗剪性能进行了试验研究。
Cold-formed thin-walled C steel sections are widely used as secondary members in China, while in North American and European, they are widely used as main members. C型钢在我国过去主要用于次构件;在北美及欧洲地区,冷成型钢则越来越多的用作主要结构构件。
Based on the ultimate load criterion, the calculation methods of the whole stability of axially loaded compression member of cold-formed thin-walled steel sections considering both cold-formed residual stress and initial out-of-straightness are researched. 基于极限荷载准则,直接考虑在冷弯残余应力、初弯曲综合影响下,研究冷弯薄壁型钢轴心受压构件整体稳定的极限状态设计方法。
The features and the optimal spaces between stakes of structure system of lightweight steel sections are introduced in this paper. 本文介绍了轻型钢结构体系的特点及轻型钢结构体系的最优柱距。轻型钢结构体系具有钢筋混凝土结构无可比拟的优势、在现代建筑中广泛应用。
D errors are analyzed when metering section dimensions of steel sections with optical section method, and the model of 3-D errors is proposed with perturbation method and calcuations ate completed. 介绍了用光截面法在线检测型材截面尺寸时的三维误差分析,应用摄动法建立了三维误差的数学模型,并进行了仿真计算。
In this paper, the genetic algorithm method was applied to the optimization design of steel element sections. 将遗传算法应用于钢结构截面优化设计问题的求解;
Test for Remaining Stresses of Cold-Bending Thin-Walled Steel Sections by Electrochemical Corrosion Method 电化学腐蚀法测试冷弯薄壁型钢的残余应力
The connection of cold-formed steel sections are usually used bolt and Self-drilling screws, if Cold-formed thin-walled C steel sections are widely used as main members. 冷成型钢作为主要结构构件,节点的连接方式多为螺栓连接或自攻螺钉连接。
The influence of concrete compression strength fcu, steel yield strength fy, steel ratio of sections α and horizontal force P on the ultimate bearing capacity of square concrete-filled steel tubular piers is explored by parametric analysis. 3. 分析混凝土抗压强度fcu、钢材的屈服强度fy、截面含钢率α和水平力P这些因素对方形钢管混凝土桥墩极限承载力的影响。