查询词典 straight arch

"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。

They both have merits and shortcomings. The first one calculates simply, and has corresponding design code to follow about safety factor. But it has many errors because of many assumptions about seepage and deformation of rock abutment. And it is not convenient to optimize the arch dam shape because of dealing with arch dam and abutment separately.

两者各有优缺点：前者计算简单，安全指标有规范可循，但对坝肩岩体渗流和变形性质的假定过多，有一定误差，而且由于将坝身和坝肩分别看待，在作体型优化时很不方便。

This article through a double-curvature arch dam gravity abutment project example, uses the "Gong Liang Fenzai" method to extract the stress of th e dam body, satisfies the standard request in the stress under the condition, uses two methods to the arch dam gravity abutment stably carries on the analysis computation.

本文通过一双曲拱坝重力墩工程实例，先用拱梁分载法求出坝体的应力，在应力满足规范要求的条件下，用两种方法对拱坝的重力墩抗滑稳定进行分析计算。

The unstable rock body with syncline structure on the right abutment of Danjiang arch dam are analyzed under the thrust from arch dam.

单江拱坝右坝肩存在一个向斜岩体结构，在拱坝推力作用下，有可能滑动破坏。

Arch bridge ; arch rib sloping angle ; dynamic performance ; finite element method

拱桥；拱肋倾角；动力性能；有限元法

Backgrounded by the main bridge of Zhanhe River Bridge at Chengdonghe Road,Pingdingshan City,the software MIDAS/Civil is used to establish a 3-dimensional finite element calculation model for the double X-shape arch bridge and the effect of arch rib sloping angle changes on the dynamic performance of the type of the bridge is studied respectively for six design alternatives.

以平顶山市城东河路湛河桥主桥为工程背景，采用有限元软件MIDAS/Civil建立该桥的空间有限元计算模型，分6种设计方案研究了拱肋倾角变化对斜靠式拱桥动力性能的影响。

Based on detailed description of those phenomena,obvious regularities are concluded and described as follows: fracture in top arch of underground station and voltage transformation station downstream sidewall; buckling in top arch of bus bar line cavern and penstock downstream plat part.

通过分析破坏现象，总结了破坏现象的规律性：主厂房及主变室破坏现象主要集中在下游边墙顶拱，破坏方式以岩体开裂为主；母线洞及压力管道下平段破坏现象主要集中在顶拱外侧，破坏方式以弯折破坏为主。

Elastic buckling and inelastic buckling of arch with and without out-of-plane brace under full span distributed load and concentrated load are investigated The effects of the brace to the out-of-plane buckling load of arch are studied.

对拱结构在全跨均布荷载和跨中集中荷载作用下的平面外屈曲性能进行了研究，其中考虑了屈曲前变形路径的影响和面外支撑情况，为工程设计提供了有参考价值的建议。

I think people in this lifetime in a rebirth.

我觉得人在这一生里其实也在轮回。

He had to tie her hands together.

他不得不把她的双手绑在一起。