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- How to protect unbonded tendon and anchorage is the key to prevent corrosion in unbonded prestressed concrete. 无粘结筋与锚具是无粘结预应力结构防腐蚀的关键。
- The analytical results for strength and behavior of unbonded prestressed concrete beams were presented. 给出了无粘结预应力混凝土梁强度和受力性能的分析结果。
- The unbonded prestressed concrete flat beam frame can meet the aseismic requirement. 无粘结预应力混凝土扁梁框架应当可以满足抗震要求。
- The R.C. silo that has been constructed is analysed and summarized in the paper, and unbonded prestress concrete silo is put forward. 本文对国内一直沿用的普通钢筋混凝土仓进行总结分析,提出了采用无粘结预应力混凝土壁的砂仓。
- The main research of this paper is the optimal design of the unbonded prestressed concrete ribbed flat slabs in the ribbed flat slabs system. 主要研究的是密肋楼盖体系中的无粘结预应力砼密肋楼盖的优化设计。
- Post-tensioned unbonded prestressed concrete bar is suitable for cast-in-placeconcrete of long-span and wide buildings,large load prefabricated beam and other construction. 后张无粘结预应力筋适用于大跨度、大开间建筑的现浇楼板、大荷载的预制梁及其它特种结构。
- Post-tensioned unbonded Prestressed concrete bar is suitable for cast-in-Place concrete of Long -span and Wide buildings,Large, Load Prefabricated beam and othe construction. 后张无粘结预应筋适用于跨度、大开间建筑的现浇楼板、大荷载的预制梁其他特种。具有不留孔道、不必灌浆；施工简便、节省材料、随弯曲等特征。
- Rubber bush for prestressed concrete tubing. 说明:制造预应力水泥管时使用的橡胶模套,。
- Based on the theory and test, the aseismatic behaviour of the joints in the middle level of unbonded prestressed concrete flat beam frame is analyzed and discussed in this paper. 本文试图在理论研究和试验分析的基础上，分析探讨中间层无粘结预应力混凝土扁梁框架节点的抗震性能。
- The new trend of CFRP prestressed concrete girder bridges is the adoption of internally bonded CFRP tendons combined with externally unbonded CFRP tendons. 碳纤维预应力混凝土梁桥的最新发展趋势,是采用体内先张有粘结碳纤维筋与体外后张无粘结碳纤维筋相结合的预应力配筋措施。
- In this paper, fourteen unbonded partial prestressed concrete rectangular beams with different longitudinal reinforcement ratios were tested under low cyclic loadings. 本文对不同配筋率的14根无粘结部分预应力混凝土梁进行了低周反复荷载试验。
- The bonded prestressed concrete structural wide flat beams were employed as the frame beams, while the unbonded prestressed concrete structure was applied to the junior beams. 框架梁为有粘结预应力混凝土宽扁梁,次梁采用无粘结预应力混凝土结构。
- There are two types of unbonded prestressed concrete beams according to tendon layout: unbonded internally prestressed concrete beam and externally prestressed concrete beams. 无粘结预应力混凝土梁按照预应力布束方式的不同具有两种形式:体内无粘结预应力混凝土梁和体外预应力混凝土梁。
- In order to meet the need of big space,the unbonded prestressed concrete cross-beam floor is adopted in the multifunctional office building in Heilongjiang province. 为满足室内大空间的需要,黑龙江某多功能厅采用无粘结预应力井式梁板楼(屋)盖。
- Cracking is almost completely avoided in prestressed concrete. 预应力混凝土几乎可以完全避免出现裂缝。
- N.Rajagopalan, Prestressed Concrete, Alpha Science Intl.Ltd, 2002. 预应力混凝土结构，贾正甫，文京图书，2001。
- One kind of CFRP bars produced in China is used to replace normal steel reinforcing bars in unbonded prestressed concrete beams and the corresponding anchorage devices are developed at the same time. 采用国内生产的碳纤维塑料筋作为预应力钢筋制成了无粘结预应力混凝土梁 ,并开发了相应的预应力锚具。
- The static and dynamic experiments are done for an unbonded prestressed concrete beam in laboratory,three damage cases of static experiment results and the first 8 modes are obtained. 对一实验室中无粘结预应力混凝土梁进行了静动力实验研究,得到了三种不同工况下的静力测试结果以及前8阶模态测试结果。
- The paper proposes more reasonable equations of ultimate shear strength of unbonded partially prestressed concrete flat beam-column joints by analyzing with the equations provided by other references. 在分析其它文献提出的极限抗剪强度计算公式的基础上，提出了更为合理的无粘结部分预应力扁梁柱节点极限抗剪强度计算公式。
- The nonlinear behavior of partially prestressed concrete skew curved slab bridge with unbonded tendons is analyzed by using the eight-node medium thickness plate laminated finite element model. 建立了八结点中厚板等参分层有限元模型,对无粘结部分预应力混凝土斜弯板桥进行了非线性有限元分析,并与试验结果进行了比较,二者符合较好。
