箱形的

Through referring related documents and analysis of builded bridges home and abroad, this dissertation makes anslysis on design of whole bridge on the basis of design theory for general box-girder, and combined with the design of Long-March bridge. There makes a special research on shear connecter which connecte corrugated steel webs with concrete board up and down. Design method of shear connecter is discussed.

本文在参阅国内外有关文献及实桥资料的分析，以普通混凝土箱形梁设计理论为基础，结合长征桥的设计，分析了整个桥梁的设计过程，尤其对波形钢腹板和顶底板混凝土的剪力连接件进行了研究，给出了计算方法。

With respect to the properties of the mid joint of immersed tunnel with double rectangular cross sections, it puts forward a design plan, which has referential value in similar design.

本文对沉管隧道接头的设计与理论计算进行了阐述，结合双框箱形截面沉管隧道中间接头的具体情况，提出了较为通用的中间接头的设计方案。

Nonlinear behavior of prestressed concrete box girder is studied by comparative research of nonlinear finite elem...

工程中已经广泛应用的预应力混凝土箱形梁在复杂受力作用下的结构反应特性，是一个急待解决的具有重大实际意义的研究课题。

Back then he'd just come back from a trip to China and Japan, scandalizing many critics with the extra-outsize scale of his box-shaped, 3-D cutting experiments and mind-blowing kaleidoscope of East-West references.

然后回到他只希望回来一趟中国和日本， scandalizing很多批评与课外outsize的规模，他的箱形，三维切割实验和记吹的万花筒东西的提述。

And effect of concrete form of the joints in box frame of touring bus is calculated.

本文提出一种考虑连接点真实形状的有限元分析，并计算了旅游客车底架箱形框架杆连接的具体形状对计算结果的影响。

In this paper a finite element analysis were presented to consider real shape of the joints. And effect of concrete form of the joints in box frame of touring bus is calculated.

本文提出一种考虑连接点真实形状的有限元分析，并计算了旅游客车底架箱形框架杆连接的具体形状对计算结果的影响。

In order to increase the rolling capability of three-high cogging mill,the forging plant of Laigang reforms the traditional cogging process,joining the six angle-square pass with box pass well and designing the six angle pass with heavy elongation to realize conjugate rolling,thus realizing the heavy reduction,heavy elongation for cogging rolling and single end product outing and self nip,improving the rolling rhythm.

为提高三辊开坯轧机的轧制能力，莱钢锻压厂对传统的开坯工艺进行改造，将六角—方孔型与箱形孔良好衔接，并设计了能够共轭轧制的大延伸六角孔，从而实现了开坯轧制大压下、大延伸，以及成品单出与自动咬入，提高了轧制节奏。

Therefore, considering wide-range and importance of the box-sectioned welded beam applied in engineering, the author chooses this structure as one of typical welded structures to study. And with the equalizing bar of a bulldozer as an example, the method of fatigue design or life prediction and interrelated data of the box-sectioned welded beam are achieved through systematic study, and are considered as the basis of the structure fatigue design code or guideline which is expected to apply in machinery industry.

基于焊接箱形梁使用的广泛性和重要性，作者选择此种结构作为典型焊接结构的研究对象，并以推土机平衡梁为例，通过系统研究获得了结构疲劳设计或寿命预测方法及有关数据，作为形成结构动强度设计规范的基础，并由此可进行推广应用。

The experimental results indicate that the flexural strength increases with the increase of the ratio of flexural reinforcement and the thickness of flange of the shape steel; the shear strength increases with the increase in the thickness of the web of the shape steel.

试验结果表明，箱形SRC梁的抗弯强度随纵筋配筋率和型钢翼缘板厚度的增大而提高，剪切强度随型钢腹板的厚度增大而提高。

The force transmission, due to the crane trolley wheel pressure, from rail to bias-rail box girder belongs to the nonlinear contact. There is a coupling relationship between the deformation of contact area and the stress distribution.

小车轮压作用下，轨道与偏轨箱形梁之间力的传递属于接触非线性问题，接触面间的变形和应力分布存在相互耦合的关系。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。