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1)  optimization of stayed-buckle cable force
扣索力优化
2)  optimization of temporary cable force
扣索索力优化
3)  cable tension optimization
索力优化
1.
Based on the theory of Influence Matrix,with the constraint optimization and the positive disposition analyses as its core,the "Two Stage Method" which is used for the cable tension optimization on short or medium span cable-stayed bridges is proposed.
以影响矩阵理论为基础,以有约束优化法及正装分析法为核心,提出中小跨径斜拉桥索力优化"二阶段法",并结合算例加以验证。
2.
Mathematical model of cable tension optimization is set up.
根据索承网壳结构受力特点 ,从适合工程应用的角度出发 ,提出双控目标函数满意度法 ,建立索力优化的数学模型 ,采用改进的复形法研究了选定截面情况下的索力优化 ,并附有算例 ,对其结构设计以及工程应用有一定参考价值。
4)  optimization of cable force
索力优化
1.
A plane finite element calculation model is made for optimization of cable force by the stress-balance method.
以西昌~攀枝花高速公路上的白沙沟1号大桥为工程背景,进行悬臂浇注施工模型试验,模拟悬臂浇注施工全过程;建立平面有限元计算模型,采用应力平衡法进行索力优化。
2.
Based on the Matlab optimization toolbox,this paper used internal force and geometry as control conditions,put forward a practical method of optimization of cable force for cable-stayed bridge.
基于Matlab优化工具箱,以结构内力和线形为控制条件,提出一种便于工程应用的斜拉桥索力优化实用方法。
3.
The optimization of cable force in cable-stayed bridge is divided into the optimization of finised-stage cable force and construction-stage cable force.
斜拉桥的索力优化可分为成桥索力的优化和施工索力的优化。
5)  cable force optimization
索力优化
1.
So cable force optimization problem appears.
由此产生了索力优化的问题。
2.
In this paper, based on interchange C bridge in ring road, the author studies on the cable force optimization, solving construction stage force, of cable-stayed bridge casting in place on all supported framework.
本文以河南省南市祝庄互通式立交C匝道桥为依托,研究满堂支架上一次现浇斜拉桥索力优化问题、脱架索力的确定方法及施工阶段拉索张拉力的求解方法。
3.
In this paper,the cable force optimization of cable-stayed bridges with ultra kilometer span is equated as a nonlinear implicit optimization model.
将超千米级斜拉桥的索力优化问题归结为非线性隐式优化的数学模型,以系统最小弯压应变能为目标,根据合理成桥状态指定各种非线性约束条件,利用投影梯度法进行优化问题的求解,求解过程中充分考虑了各种几何非线性的影响。
6)  stayed-buckle cable force
扣索索力
1.
Based on the existing algorithm and through ascertaining the influence matrix of the tensile force in the construction of oblique pulling rope,the optimized stayed-buckle cable force is calculated at each stage of archrib hoisting phase of a model bridge during construction and the designed requirement is fulfilled through empty steel tube in falling state.
在讨论现有算法的基础上,通过确定斜拉索施工张拉力的影响矩阵,对扣索索力进行了优化。
补充资料:毕扣扣灵碱
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性质:又称毕扣扣灵(碱),荷包牡丹碱。天然存在的是右旋体。细长片状结晶(由氯仿-甲醇中结晶)。熔点215℃。也有报道熔点177℃。旋光度+130.5°(由氯仿中结晶),pKa4.84。溶于苯、氯仿、醋酸乙酯,微溶于乙醇和乙醚;无色柱状棱晶(由甲醇中结晶),熔点195℃,旋光度+123°(c=3.58,氯仿)。易溶于氯仿,不易溶于乙醚、丙酮及乙醇中,能溶于热的苛性碱中。存在于罂粟科植物土延胡(Corydalishumosa Migo)的块茎中,化学合成可得到其外消旋体。具有兴奋子宫作用。具有强烈的致惊厥作用,且发作快、持续时间短,有可能用作癫痫的诊断用药。

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