在钢箱梁中创造了一张树床。
椽：支撑起一个斜屋顶的斜梁中的一根。
Rafter: One of the sloping beams that supports a pitched roof.
预应力混凝土梁中通常采用C50混凝土。
连续梁中，刚性支承处的垂直变形必须为零。
In a continuous beam the vertical deflexions at the rigid supports must be zero.
重点讨论了预应力连续梁中次弯矩和轴向预压力对弯矩调幅的影响。
The emphasis of the paper is placed on the influence of the secondary moment and the axial prestress on the moment redistribution.
结果表明，由于材料的非均匀性，功能梯度梁中存在拉-弯耦合变形。
The results show that there exists the tension-bend coupling deformation in the uniformly heated beam because of the non-uniform characteristic of materials.
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.
部分预应力混凝土梁中的非预应力钢筋在反复运行荷载作用下承受交变应力。
The non—prestressed steel bars in ppc beams endure alternate stress under the repeated service loading.
研究结果表明，在一定条件下，非线性弹性地基内预应力梁中存在包络孤立波。
It follows that under certain conditions the existence of the envelope soliton in the prestressed beam in nonlinear elastic foundation is possible.
在钢混凝土结合梁中，温度作用通常包括三种形式，即：变温、温差和温度梯度。
Temperature changes, temperature diversities and temperature grades are common forms of temperature actions in steel and concrete composite girders.
将组合梁中混凝土翼缘板厚度按弹性模量之比换算，并保持宽度不变形成等效截面。
We put the concrete flange plate of the composite beam into the steel ones according to the elastic modulus ratio and keep the width of section unchanged, as a result, get a equivalent section.
仅通过1,000,000辆车就在系杆拱的横梁中以及引桥的板梁中造成明显的开裂。
Only 1,000, 000 vehicle crossings produced significant cracking in the floor beams of the tied arch span and in the plate girders of the approach spans.
然后采用该方法分析徐变对结合梁中的应力重分布的影响，并对徐变的影响进行参数分析。
With this method, the influence of creep on stress redistribution in composite beams has been analyzed, and rheologic parameters was studied .
试验表明，在无粘结预应力砼梁中配置普通有粘结筋对梁在开裂后的裂缝分布有重要影响。
Test results show that th'e additional nonprestressed reinforcement significantly affects the crack widths of unbonded partially prestressed concrete beams.
计算了结构与运动刚体之间的冲击力时程曲线、梁中的剪力及弯矩分布、轴力杆件中的轴力分布。
The impact force-time history between the structure and the moving rigid-body, shear force and bending moment distribution along the beams, axial force distribution along the bars were calculated.
根据一系列常幅疲劳试验，分析了抗弯加固rc梁中FRP疲劳应变的变化规律和关键影响因素。
Based on a series of fatigue tests, the change laws and the main influence factors of FRP strain of strengthened RC beams under cyclic bending loads were analyzed.
鉴于该方法只能识别梁中的单处损伤，提出了结合移动质量法和神经网络进行结构损伤识别的方法。
As the method can only detect single damage in beam, this paper proposes the method of combining moving mass method and neural network to detect structural damage.
钢骨柱部分伸进转换梁中，随着钢骨伸进转换梁中长度的增加，转换梁对钢骨的包裹嵌固作用增强。
The steel framed reinforced concrete column partially penetrates into the transfer girder, whose build-in effect to the column enhances with the increase of the penetrating length.
在冷弯薄壁型钢结构中，为了降低层高而让管线从梁中通过，在梁和柱的腹板及翼缘中常需要开孔洞。
In cold-formed steel structures, we need to open holes on flange and web of beams and columns for the purpose of getting through the pipeline.
研究了梁结构中的振动功率流，给出了梁中振动功率流的一般测量方法，并对实验研究结果进行了分析。
The general vibration power flow vector measurement method is put forward, and then the test results are analyzed.
随着塑性弯曲而发生的挠度和刚度大的变化常会使结构内部发生显著地内力重分布，特别是超静定梁中。
The large deflections and stiffness changes usually associated with plastic bending can significantly change the internal load distribution, particularly in statically indeterminate beams.
此外，我们将PD控制和模糊pid控制这两种方法推广到无穷维空间，并进一步运用到被试验的压电梁中。
In addition, we expand PD control and fuzzy-PID control to infinite-dimensional, and apply them to the tested piezoelectric beam.
为摸清碳纤维片材加固混凝土梁中粘接界面上的应力分布，本文利用ANSYS商业软件进行了有限元分析。
For understanding the interfacial stresses' distributing of the strengthened RC beams externally bonded with CFRP systems, the FEM analysis is carried out with ANSYS in this paper.
波形钢腹板作为一种新型的结构用于体外预应力箱梁中，必须对这种组合结构的各个关键部分进行详细的研究。
The corrugated webs are new structures which be used in external prestressed Bridges. To research the key ports of the structures is obligatory.
大浪滩梁中矿床是在青藏高原区域性隆升构造动力背景下，逐渐从统一的柴达木盆地中分隔出来而形成的次级盆地。
The Dalangtan Liangzhong deposit is a secondary basin gradually divided from the united Qaidam basin, under the background of Qinghai-Tibet Plateau's regional uplift tectonic motion.
鉴于此，研究了预应力锚索地梁中合理确定锚固角的方法，提出以锚索地梁和坡面岩体间不发生相对滑动为初判条件；
Therefore, some slopes cannot be reinforced efficiently by foundation beam with prestressed cable because of the unreasonable designed anchorage-angle.
由微分几何基本公式导得圆弧曲线梁中预应力等代荷载的精确公式，预应力钢索在曲梁中竖弯与平弯均较平缓，此时公式可得以简化。
A precise formula for equivalent load of prestressing force in curved girder of arc form is derived from the fundamental formulae of differential geometry.
试验结果表明，与非预应力碳纤维布加固梁相比，预应力碳纤维布加固后混凝土梁中受拉钢筋应力幅显著降低，混凝土梁疲劳寿命明显延长。
Experimental results show that the stress amplitude of the tensioned bar is decreased remarkably and the fatigue life is then obviously increased as compared to normal strengthening method.
试验结果表明，与非预应力碳纤维布加固梁相比，预应力碳纤维布加固后混凝土梁中受拉钢筋应力幅显著降低，混凝土梁疲劳寿命明显延长。
Experimental results show that the stress amplitude of the tensioned bar is decreased remarkably and the fatigue life is then obviously increased as compared to normal strengthening method.
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