The vertical prestress applied to webs of concrete box girder is studied.
对混凝土箱梁腹板竖向预应力进行研究。
The stiffening beams of the side spans are prestressed concrete box beams.
主跨加劲梁为钢箱梁，边跨加劲梁为预应力混凝土箱梁。
Cracks are easily occurred during constructthereinforced concrete box culvert.
钢筋混凝土箱涵在施工过程中，易产生裂缝。
The paper analyses the nonlinear cracking behavior of reinforced concrete box girder.
对钢筋混凝土箱梁受力开裂破坏的非线性机理进行了研究。
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 .
最后采用的方案是分段现浇的预应力混凝土箱形梁。
The reinforcement concrete box module is a kind of space thin-walled structure with many constraints.
钢筋混凝土盒子结构是一种多约束的空间薄壁结构。
With its excellent section characters, the prestressed concrete box girder plays a main role in PC bridges.
预应力混凝土箱梁以其优良的截面特性在混凝土梁桥中占据主要地位。
Open thin-walled concrete box arch bridge generally uses the method of turning construction of thin-walled arch.
混凝土开口薄壁箱拱桥一般采用薄壁拱圈的转体施工。
With its excellent section characters, the prestressed concrete box beam plays a main role in the girder bridge.
预应力混凝土箱梁以其优良的截面性质在梁桥中占据了主要地位。
The stress under different working modes is the key to the safe problem when erecting long span prestressed concrete box beam.
大型预制预应力混凝土箱梁架设中不同工况下的梁体应力满足设计要求是箱梁安全架设的关键。
This modifying factor is determined on the basis of the analysis on some concrete box girder cantilever beam bridges with 4 lanes.
此偏载系数的取值是建立在对一些4车道钢筋混凝土箱形截面悬臂梁桥的分析模型基础上。
This article gives the construction procedure and instructions for on-site casting of continuous concrete box beam with mobile mould.
介绍移动模架施工现浇混凝土连续箱梁的施工工艺，以及在施工中应该注意的事项。
That horizontal member of the portal frame consists of two longitudinal pre-stressed concrete box type beams overpassing the big span.
两个箱型梁水平构件构成了教室与展区的天花板及地板，并在理论教室和展示区的配置考量下而设计成不同的高度。
The paper demonstrate Sinfluence of air temperature change acting to concrete box beam on the base of observation and test of hte bridge.
本文在实桥观测与实验研究的基础上，论证了大气变温对混凝土箱梁的作用。
The stress and deformation of the concrete box girder under the temperature load is one of the main factors affecting engineered quality.
温度荷载作用下的混凝土箱梁的应力和变形，是影响工程质量的主要因素之一。
The temperature field and temperature stress in concrete box girder bridges that caused by the solar radiation are studied in this thesis.
本文研究了混凝土箱梁由太阳辐射引起的温度场和温度应力。
The hexagonal concrete box represents the baptistery inside which the stone remains of the ciborium are displayed in their original position.
六角形混凝土建筑象征着洗礼池，内部保留了石质的祭坛。
Distinguished with conventional box girders, prestressed concrete box girders with corrugated steel webs possess itself mechanical performances.
波形钢腹板预应力混凝土箱梁具有区别于传统混凝土箱梁结构的的力学特性。
The long-term deflection of Long Span Prestressed Concrete Box-girder Bridge(LSPCBB) is getting more and more serious in terms of structure safety.
最后，对桥梁设计计算、桥梁混凝土施工及箱梁下挠的防治技术进行论述，并对开展控制结构长期下挠的研究提出了建议。
Some problems existing in the construction of prestressed concrete box beam are introduced, and some views and measures are put forward in the paper.
介绍了预应力混凝土箱梁施工中存在的问题，提出了自己的见解及相应的措施。
Experimental research on hydration of cement, sunlight temperature field and temperature effect of railway concrete box girder is studied in this paper.
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。
However, box girder cracking and long-term midspan deflection are the defects which commonly exist in the long-span prestressed concrete box girder bridge.
但箱梁开裂与跨中下挠是目前大跨预应力混凝土箱梁桥中普遍存在的病害。
On the basis of fuzzy failure criterion, model of reliability of concrete box-girder bridge is set up, and the reliability of existing bridge is calculated.
基于模糊失效准则建立了混凝土箱梁桥的可靠度计算模型，并计算了一座实桥基于模糊失效准则的可靠度。
The cable anchoring zone on the cable tower of the Wuhu Yangtze River bridge is of pre stressed reinforced concrete box structure without intermediate beam.
芜湖长江大桥桥塔拉索锚固区为预应力混凝土箱形结构，无中间梁，索塔锚固区为单箱单室结构。
Label the water shutoff valve, found where water enters the house, and main water shut-off valve, found with meter in a concrete box in the sidewalk or yard.
水表一般位于人行便道或庭院附近，找出水进房间的路径以及总止水阀的位置，明确标记出水阀的位置。
Finally, based on the climate conditions, it is pointed out that the transverse slop in Guangzhou region is 4% temperature gradient model of concrete box beam bridge.
最后，根据气候条件提出在广州地区横坡为4%的混凝土箱梁桥的温度梯度模式。
On the base of actual bridge observation and test research, this paper discusses the temperature stress effect to concrete box girders which caused by temperature load.
在实桥观测与试验研究的基础上，对温度荷载所产生的温度应力对混凝土箱梁的作用进行了探讨。
On the base of actual bridge observation and test research, this paper discusses the temperature stress effect to concrete box girders which caused by temperature load.
在实桥观测与试验研究的基础上，对温度荷载所产生的温度应力对混凝土箱梁的作用进行了探讨。
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