bottom chord
英 [ˈbɒtəm kɔːd]
美 [ˈbɑːtəm kɔːrd]
底部弦线
双语例句
- Institute on The Hole Drill Technique of Bottom Chord Bar of Zhengzhou Yellow River Bridge
郑州黄河桥边桁下弦杆制孔工艺研究 - The double groove steel is suspended under the two nodes of bottom chord of steel roof truss to prevent the bottom chord from stretch bending.
文章论述了在设计中采用钢屋架下弦两节点下悬吊双槽钢作为分布梁避免钢屋架下弦拉弯工作。 - Chord inversions occur when the bottom note of a chord is placed above any of the other notes.
当和弦的底音被其他音替换时就发生了转位和弦。 - This paper establishes the fatigue stress spectrum of the transom and the bottom chord of a bridge over the Yellow River based on the measured stress and confirms the residual fatigue life by using mathematical model of existed steel bridge fatigue life.
以黄河某大桥的实测应力为基准，建立其横梁、下弦杆的疲劳应力谱，并运用既有钢桥疲劳寿命的数学模型确定其剩余疲劳寿命。 - In which one of them was common reinforced concrete structure, and the other used prestressed steel reinforced concrete ( PSRC) in bottom chord of the transfer structure.
其中一榀模型为普通钢筋混凝土结构，另一榀模型在底部转换梁施加了预应力，并在底部转换梁及部分杆件采用了钢骨混凝土。 - The bottom chord of the truss is used by pre-stress steel bar.
主楼和裙房间采用大跨鱼腹桁架，桁架下弦采用高强度预应力钢棒。 - The influence of crane load to the internal force of bottom chord bar of trapezoid steel roof truss
水动力荷载；吊车荷载对梯形钢屋架下弦杆内力的影响 - With reliable connections, the thin steel plates, which are embedded in top and bottom chord member plane in a bidirectional truss, are able to bear the applied load jointly with the primary truss and then the behavior of the structure can be improved.
在双向正交桁架上、下弦平面外将薄钢板与弦杆可靠无滑移连接，可以使钢板薄膜参与结构共同受力，从而改善原有结构的性能。 - The Construction Analysis of Prestressed Bottom Chord Shuttle Shape Spatial Truss
下弦管内预应力梭形空间桁架结构施工分析 - The analysis reveals that the dynamic behavior of the converse trapezoid CHS truss with double pipe bottom chord is quite good.
分析表明以下弦双钢管为特征的倒梯形立体管桁架的动力特性非常理想； - Roof top and facade secondary structure can effectively reduce the out-of-plane calculated length of the primary chords, and provide support conditions for ETFE cladding structure, acoustic ceiling at the bottom chord and roof drainage system, forming the lateral force resisting system for the structure.
屋顶与立面次结构可以有效减小主结构弦杆面外的计算长度，提供ETFE膜结构、下弦声学吊顶与屋面排水系统的支承条件，并形成结构的抗侧力体系。 - OSDTS not only has good wholeness, big stiffness, but also decreases the whole deformation of bridge and improves the mechanical behavior of deck with the bottom chord and tie beam heightened. 2.
该方案整体性好、刚度大，由于下弦杆和系梁加高，不仅桥梁的整体变形减小，而且也改善了桥面系的受力状态。 - From the long-span spatial lattice structure in this paper, the longitudinal bars of upper and bottom chord bars have a greater impact on the structural robustness. Meanwhile, web members which are closer to support also have a greater impact on the structural robustness.
针对于本文中的大跨度空间网架结构，上弦杆和下弦杆的纵向杆件对结构的鲁棒性影响更大；离支座较近的腹杆对结构鲁棒性影响更大。