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Based on the finite element method, a fresh and unique type of footbridge, a papilionaceous partial tied arch footbridge, was analyzed. The influences to the whole structure's stress behavior, displacements, vibration periods and mode shapes under parabola and arc arch axis were discussed. Different selections of support forms, such as longitudinal slide or longitudinal hinge, led to different behaviors on structure.

针对一种新型而特殊的蝶式部分系杆拱步行桥，基于有限元数值分析比较抛物线形拱轴线和圆弧形拱轴线对整个结构受力、变形、周期和振型的影响，揭示选用纵向滑动支座与纵向不动铰支座时给结构性能带来的不同结果，对结构拉索张拉力的控制给出建议。

Spondylolysis were showed in sagittal images. Conclusion: The scan range were increased for the fourth lumbar to first sacroiliac interverteral disc and contained vertebral arch for conventional intervertebral disc. The spiral scanning were performed for lumbar spondyloschisis and with MPR along the direction of vertebral arch. The method is simple and useful for the patients suffered low-back pain.

对常规椎间盘扫描采用对L(下标 4~5)及L5~S1，椎间盘加大扫描范围，包括椎弓根层面的方法，对于轴位扫描发现或可疑峡部裂的患者再做相应椎体螺旋扫描，行平行于峡部的椎弓长轴多平面斜矢状面和矢状面重建，是腰腿痛病人CT检查的简单、实用的有效方法。

It is found that zero-displacement mothod can not be used in concrete-filled streel pipe arch bridge. When bend rigidness of tie-bar and bend rigidness of arch is almost same, rigid-support continuous beam mothod and the least-energy mothod without restriction formula is satisfactory.

对于吊杆初始张拉力的确定，将零位移法、刚性支承连续梁法和最小能量法用于南河特大桥吊杆初始张拉力研究，发现零位移法不宜用来确定刚性系杆刚性拱结构的吊杆张拉力，因为该法求解的索力不合理。

Project its image hasCourt in Handan, Hebei stone arches, Zhucheng Horse Mountain stone arch ears, marine hills Wanfu stone arches, Jiangsu Xinji Wayao school even four wheel kiosks, Dongying large stone arch, Ruiyang Pharmaceutical Co., Ltd. and other large-scale trade mark and so on.

其形象工程有河北邯郸赵王阁石牌坊、诸城马耳山风景区石牌坊、海洋万福陵石牌坊、江苏新集瓦窑中学连軲四角亭、东营大型石牌坊、瑞阳制药有限公司大型商标等等。

In this paper, basted on the sum-up and investigation of simulation calculation of long-span bridge construction in nation and international, the detailed approach of imitated calculation of long-span CFST arch bridge is given out, and the reason why the general backward analysis is not suitable for the application of the rib-hoisting of CFST arch bridge is analyzed. And an applied method for forward analysis based on iterative theory is put forward.

本论文通过对国内外桥梁施工仿真计算成果的总结和研究，给出了大跨度钢管混凝土拱桥仿真计算的具体步骤，分析了一般的倒退仿真计算方法不适合应用于钢管混凝土拱桥吊装的原因，并为此提出了基于迭代理论的前进分析实用方法。

Through the design of a half-through suspender arch bridge overpassing the expressway, the article discusses the structure and the design calculation method of the half-through arch bridge to be .

该文通过某上跨高速公路的中承式吊杆拱桥的设计，讨论了中承式拱桥的构造、设计计算方法，以供借鉴参考。

As a key working procedure in concrete-filled steel tube arch bridge,the quality of manufacturing and precasting of steel tube arch rib should be paid much attention,and should be manufactured in factories do the best we can if conditions permitted.

钢管拱肋加工预制作为钢管混凝土拱桥施工中的一道关键工序，其加工预制的质量应引起足够重视，条件许可的尽量采用在工厂进行，而像太平湖大桥这样大型的桥梁和钢结构加工，在现场完成的并不多见，因此它的现场预制技术可供今后类似的桥梁施工提供参考。

"Making use of advanced knowledge of the behavior of metal arch and truss forms under loading, the structure presaged a revolution in civil engineering and arch itectural design."

设计方案利用了关于金属拱和桁架在受力情况下发生变化的先进知识，预示了土木工程和建筑设计的一次革命。

This paper upbuilds a concrete arch dam's optimum model,and use the program to implement a three-center double-curvature arch's optimum design.

本文对某混凝土拱坝建立了遗传算法的优化模型，用程序实现了三心圆等厚度双曲拱坝的优化设计。

In this paper,the stability of arch slab under the action of the plunging jet is investigated.The pressures on upper and lower surfaces of the slab and push force of arch abutment are measured.A generalized formula for uplift force is proposed.

通过实验分析，研究了冲击射流下拱形底板失稳型式，量测了底板上、下表面压强分布，概化了时均上举力的计算公式，实测了动水荷载作用下拱端推力。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐