查询词典 pointed arch

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。

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。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。