它们是由坚固的十字形梁构成的骨架，中间夹着结实的材料，外面涂了层灰泥。
They were skeletons of strong criss-cross beams, with solid material between, coated with plaster.
即使是一个瘦形梁龙，曾经被认为在活着的时候重达5.5吨，现在也减重了1.5吨。
Even a slender diplodocus, once believed to have tipped the scales at five and a half tonnes when alive, has lost a tonne and a half from its weight.
本文提出薄壁箱形梁计算的一种分析解法。
In this paper an analytical method for calculating thin-walled box girders has been proposed.
塔梁固结，主梁采用三跨连续等高度箱形梁。
△以计算机优化设计的箱形梁作为主承载梁。
Use optimized computer design box type girder as main support grider.
最后采用的方案是分段现浇的预应力混凝土箱形梁。
The successful alternative was the cast - in - place segmental prestressed concrete box girder.
最后采用的方案是分段现浇的预应力混凝土箱形梁。
The successful alternative was the cast-in-place segmental prestressed concrete box girder.
最后采用的方案是分段现浇的预应力混凝土箱形梁。
The successful alternative was the cast - in - place segmental prestressed concrete box girder .
采取适当的工艺措施，可大大减少箱形梁的焊接变形。
Nevertheless if proper welding process measures are taken, the said deformation can be reduced significantly.
本文应用变分法和有限条法分析箱形梁桥的剪滞效应。
In this paper, the shear lag effect in box girder Bridges is analysed by means of variational calculus and finite strip method.
箱形梁是集装箱吊具的重要受力部件，对焊接质量要求高。
The box beam was one of the most important stress parts of the crane which required high quality butt weld.
介绍了一种新的无量纲表格法来计算T形梁的正截面配筋。
This article introduces a new dimensionless tabulation method to calculate reinforcement of T-section beams.
这个遮篷一侧由简单的I形梁支撑，另一侧固定于原有大圆石。
This canopy is supported by simple I-beams on one side and anchored to a large existing bioulder on the other side.
将单箱单室复合材料箱形梁纯扭转的分析方法拓展到单箱多室。
The approach for pure torsional analysis of thin-walled composite box beams with single-cell was extended to ones with multi-cells.
箱形梁弯曲时，平截面假定已不能满足要求，产生剪力滞效应。
When box beam is bent, the assumption that the section is plane is not satisfied and the shear lag is produced.
基于以上原因，本文采用了两种方法对箱形梁桥架进行优化设计。
According to the above reasons, two kinds of methods are adopted to optimize the box-main-girder bridge.
结合样条函数和里兹法提出薄壁箱形梁剪力滞效应计算的样条里兹法。
The spline Ritz method was proposed and used to analyse the shear lag effect of box girders.
随机载荷作用下的疲劳破坏是起重机焊接箱形梁的主要失效形式之一。
For most of the bridge cranes, the failure of the structures result from the fatigue damage in the welded box beam under the action of random fatigue loads.
根据集装箱吊车箱形梁中厚薄板焊接要求，设计了一台专用自动焊接设备。
A special purpose automatic welding equipment was designed and developed according to the requirement of thick-thin steel plates welding of container crane box beam.
上海浦东文献中心主楼钢结构工程为箱形梁斜拉悬挑结构，设计新颖独特。
With box beams and diagonal-tensile suspended structure, the steel structure of the main building of the center is a new and unique design that has thick structural plates and heavy components.
介绍不同焊接工艺对厢形梁焊接残余应力的影响及校直前后其残余应力的变化。
The effect of different welding techniques, and alignment after welding, on the residual stress of rectangular girder weldment was studied.
运用试验方法，对铁路混凝土箱形梁的水泥水化、日照温度场及温度效应进行研究。
Experimental research on hydration of cement, sunlight temperature field and temperature effect of railway concrete box girder is studied in this paper.
根据已有的试验和研究成果，总结推荐了桥门式起重机焊接箱形梁的疲劳参数取值。
Based on test data and research achievement available in literature, the fatigue parameters of welded boxes of overhead and gantry cranes are recommended.
国内过去对矩形梁和t形梁进行过实验研究，在国际上这类复合变形的研究资料也少见。
The experimental study has been made of the rectangular beams and T-beams at home, but there is still little information available abroad concerning this kind of complex deformation.
剪切变形的影响使得箱形梁的翼板中出现应力不均匀现象，尤其是悬臂箱形梁剪力滞现象。
The influence of shearing deformation causes the non-uniform stress in the wing plate of the box girder, especially the cantilever box girder.
结果表明，钢纤维增强钢丝网混凝土T形梁具有较高的正截面抗弯强度和良好的抗裂性能。
The results show that steel fiber reinforced ferroconcrete t beam possesses high bending strength and excellent crack resistance property.
分别进行了不同粘贴形式下加固钢筋混凝土T形梁的极限承载力、变形和应力-应变分析。
The paper respectively carries through the deformation, stress and strain and ultimate flexural resistance of the reinforced concrete Tee-shaped beam under the different gluing forms.
根据断裂力学及可靠性理论，提出了一种起重机焊接箱形梁存在裂纹缺陷的可靠度计算方法。
Based on fracture mechanics and theory of reliability, this paper offers the reliability calculation method for welded box beam having fracture.
对于起重机箱形梁的计算一般比较复杂，用人工计算不仅耗时比较长，而且很容易出现错误。
For the calculation of the crane box-style beam, which is generally very complicated, not only waste much time but also very easily make mistakes.
本文提出了可以考虑箱形梁弯曲、扭转、畸变多种因素的梁-墩系统横向振动的动力分析模型。
In this paper, the lateral vibration dynamic analysis model of continuous box girder viaduct is presented in which the bending, torsion and distortion of box girder can be considered.
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