您要查找的是不是：
- pretensioned prestressing hollow beam 先张法预应力空心梁
- pretensioned prestress concrete hollow beam 先张法预应力空心梁
- Secondly,the least length of pretensioned prestressed concrete slab is defined to make the full use of steel strand strength and avoid flexural crack occurs within the development length. 首先分析了高强钢绞线在先张预应力构件中的粘结锚固性能,将预应力传递长度与弯曲粘结长度之和定义为延伸长度,给出了延伸长度的计算公式。
- Design and Study of Pier Plate Stretching Bed under Pretensioned Prestress Method 先张法墩板式张拉台座的设计与研究
- pretensioned prestressing 先张法预应力
- The paper analyses the formation process for pretensioning prestressed hollow plank precamber, announces inside reason for prestressed hollow plank precamber to public. 通过对先张法预应力梁板预拱度产生的过程进行分析,揭示预应力梁板预拱度产生的内在原因。
- Analysis on the cracks in pretensioned prestressed hollow beam and treatment measures 先张法预应力空心梁裂缝分析与处理
- Kahn, L. F.; and Shin, M. L.,“Prestress Losses in High-Performance Lightweight Concrete Pretensioned Bridge Girders ”, PCI Journal, V. 50, No. 5, 2005, pp. 84-94. 蔡侑良“轻质预力混凝土梁之力学行为研究”硕士论文，国立中兴大学土木工程研究所，民国96年6月。
- Additional concentric prestressing was required in the pier. 墩内要求另加集中压力。
- Application of Mathematic and Physical Statistic Theory in Pretensioning Prestressing Beam Construction 数理统计原理在先张法预应力梁施工中的应用
- TIANJIN ZHENHUA PRESTRESSING FORCE TECHNOLOGY CO., LTD. 天津市振华预应力技术有限公司。
- pretensioning prestressed concrete hollow slab 先张法预应力混凝土空心板
- pretensioning prestressed concrete 先张法预应力混凝土
- The dimensions or prestressing force and eccentricity require modification. 尺寸或预加力和偏心需要修改。
- Shear lag is reduced for prestress in serviceability limit state . 在正常使用状态下,预应力平抑了箱梁剪力滞效应。
- Pretensioned system high prestress concrete saddle roofing, called saddle plate is initiated by NORMCO in west germany in 60's . It is applied for more than 3,000,000 sqm since it found. 先张法高效预应力混凝土马鞍形屋面板学名负高斯曲率板;俗称马鞍板.;上世纪六十年代由西德NORMCO工程师首创;至今原西德马鞍板制造公司已经推广应用了三千多万平方米
- Based on the practical project the effect of the symmetrical secant method on the effective prestress of the pretensioned slab and the anchoring result of the prestress beam is determined. 结合实际工程测定对称割线法对先张板有效预应力及预应力筋锚固效果的影响,并与千斤顶放张法及理论计算的结果进行比较分析,验证了这一新工艺的可行性。
- Pretensioned system high prestress concrete saddle roofing, called saddle plate is initiated by NORMCO in west germany in 60’s . It is applied for more than 3,000,000 sqm since it found. 先张法高效预应力混凝土马鞍形屋面板学名负高斯曲率板;俗称马鞍板.;上世纪六十年代由西德NORMCO工程师首创;至今原西德马鞍板制造公司已经推广应用了三千多万平方米
- The result shows that prestress can reduce the deform and tensile stress. 计算结果表明，预应力的施加能减少位移，减小拉应力；
- These materials can not be pretensioned to avoid the slack condition resulting from asymmetrical loadings. 这些材料不能预加应力以免除由于非对称载荷所产生的松弛。
