活载产生的内力采用手工加载的方法计算。
The internal force produced in live load is calculated by manual loading method.
雪犁荷载宜乘以适当的荷载系数，得到活载。
The snowplow load should be multiplied by the appropriate load factor for live load.
并对今后建立更为精确合理的施工活载模型作了探讨。
The method to establish much more accurate and reasonable live load model in the future is explored.
就竖向和水平荷载效应而言，活载超载的荷载系数相同。
The load factor for live load surcharge is the same for both vertical and horizontal load effects.
使用该方法只能确定由恒载引起的索力，无法计入活载的影响。
Using this method can only determine cable forces caused by dead loads, but can't by live loads.
活载作用下结构挠度、应力与荷载呈线性关系，叠加原理能够适用。
The deflection and stress of the structure are linear with load under effect of live load. The superposition principle can be used.
本文通过大量的调查统计分析。得出了我国货物列车活载的概率分布。
In this paper the probability distribution curve of the train living load in our country is developed through a number of investigations and statistical analyses.
同时，讨论了钢筋锈蚀速度、活载参数和恒载参数对服役可靠性的影响。
The effects of parameters such as variability in dead and live load and corrosion rate are studied.
斜拉桥桥跨结构的重量和桥上活载绝大部分或全部通过斜拉索传递到索塔上。
介绍了恒载和活载作用下的第一类稳定分析和第二类稳定分析，并进行了对比。
The stability analysis on the first type and the second type under the dead and the live load were introduced, meanwhile, the two types were compared.
计算断裂失稳性时，必须考虑焊接或轧制残余应力，恒载应力和活载应力之总和。
To evaluate fracture instability, the total sum of stresses due to residual welding or rolling stresses, dead load, and live loads must be considered.
且考虑了屋面活载不均匀效应、雪压堆积效应和水平地震作用的影响，荷载组合复杂。
The load combination is complex with consideration of the effect of asymmetry distribution of live load, snow accumulation and horizontal seismic load.
计算的同时比较了弹性支撑上的刚性主梁和刚性支撑上的刚性主梁在活载传递上的差别。
As the same time, the difference of force transferation between stiff beam under elasticity brace and stiff brace is compared.
墩顶负弯矩主要来自于二期恒载和活载。当桥墩较高时，刚架桥可简化为连续梁桥计算。
When the pier is high, rigid-framed bridge can be simplified to continuous beam bridge.
为了准确计算横梁的活载内力，提出了一种在桥梁纵、横向单独加载的活载内力计算方法。
During the derivation, the interaction of tendons between the upper and the lower is taken into consideration.
最后针对一座大跨悬索桥，计算了在竖向活载作用下材料、几何尺寸的随机性对主梁跨中位移的影响。
Finally, the mid-span deflection of a long span suspension bridge under vertical live load is analyzed when the elastic module of cable and hangers are assumed to be random correlated variables.
一个结构物受到的荷载可分为包括该结构物各部分重量的静载和由于人及可移动设备的重量引起的活载。
The loads a structure is subjected to are divided into dead loads, which include the weights of parts of the structure, and live loads, which are due to the weights of people, movable equipment, etc.
然后，研究了活载不均匀分布、活载与恒载不同比值和结构不同的初始缺陷对结构稳定性能的影响程度。
Afterwards the influences of uneven distribution of the live load, different ratios of live load and dead load and initial shortage of structure to stability behaviors are studied. Finally;
利用大型通用软件ANSYS建立结构空间有限元分析模型，分析活载作用下各控制截面的应力分布规律。
Based on the universal finite element analysis software ANSYS, a spatial model of the bridge is built and the stress distribution under the live load on main sections is analyzed.
建议声屏障结构设计基本风速重现期取50年，风荷载应考虑活载风与极限风两种情况，重要性系数取1。
It's suggested that design basic wind speed based upon 50-year mean recurrence interval, and coefficient for importance of a structure taken as 1.
另外，分析比较了一座直线多室箱梁桥在不同支承方式下恒活载效应、预应力效应、次反力和二次内力的异同。
Additionally, the difference of total effect and secondary forces due to prestressing tendons under two kinds of boundary conditions is given.
完成的主要工作如下：1。采用ANSYS和Midas分别对全桥在恒载和最不利活载作用下进行了空间有限元分析。
The prime tasks were summarized as follows: 1. Space finite element analysis of the bridge was accomplished under the dead load and worst-case of live load adopting ANSYS and Midas separately.
应根据不同设计使用年限活荷载的超越概率等于常规设计荷载超越概率的原则确定活荷的载标准；
The live load should be determined that the exceedance probabilities of live load for different design working life equal to that for conventional design loads.
应根据不同设计使用年限活荷载的超越概率等于常规设计荷载超越概率的原则确定活荷的载标准；
The live load should be determined that the exceedance probabilities of live load for different design working life equal to that for conventional design loads.
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