Research on law of stress increment of unbonded tendons in continuous prestressed concrete beam and slab;
比较了有粘结与无粘结力筋两种预应力混凝土结构的优缺点。
Some diseases usually appear in the tension construction of post-tensioning prestressed concrete beam slabs.
后张法预应力混凝土梁板在张拉施工过程中，经常会出现一些施工病害。
The prestressed concrete beam bridge with corrugated web has greatly improved the traditional prestressed concrete beam bridge.
波纹钢腹板预应力混凝土梁桥是对传统的预应力混凝土梁桥的一次重大改进。
The main difficulty of stress analysis of unbonded partially prestressed concrete beam is how to determine unbonded tendons stress.
使用荷载下无粘结部分预应力混凝土梁应力分析的主要困难，是如何确定无粘结预应力筋的应力。
In this paper the moment redistribution due to prestressing in precast segment continuous prestressed concrete beam erected by cantilever method is described.
本文叙述了悬臂拼装预应力混凝土连续梁的预加力引起的弯矩重分布。
In this paper, the genetic algorithm-neural network model is used to predict the ductility of unbonded partially prestressed concrete beam with high strength.
尝试利用遗传-神经网络模型，对无粘结部分预应力高强混凝土梁的延性进行预报。
Based on the demands of two limit states, the design control equations of cross section for prestressed concrete beam are derived and the direct design method is presented.
根据两类极限状态的基本要求，建立了预应力混凝土梁截面设计的控制方程，提出了直接设计方法。
With abroad data and rational analysis, the major work is described as follows: (1) Influencing factors of reversed arch in prestressed concrete beam is analyzed at length.
本文通过广泛的资料收集和合理的理论分析与计算，主要进行了以下几项工作：(1)较细致地分析了影响预应力混凝土桥梁起拱度的各项因素。
The main difficulty in analysis of unbonded prestressed concrete beam bridge is the coupling between the sectional strength of member and the whole structural deformation of member.
分析无粘结预应力混凝土梁桥的主要困难，在于构件的截面强度和构件整体变形耦合。
Used the deflection calculation method proposed by the paper, calculated the deflection under various load of the cracked prestressed concrete beam, and compared with experimental value.
采用本文提出的挠度计算方法计算了各级荷载下开裂预应力混凝土梁的挠度，并与试验值进行对比。
The long-span prestressed concrete beam bridge is likely to craze in operation, which decreases the bridge's safety and durability and then leads to its structure's early failure and destruction.
运营中的大跨径预应力混凝土梁桥箱梁普遍开裂，严重影响了桥梁结构的安全性和耐久性，造成了桥梁过早的失效和破坏。
Unbonded prestressed concrete flat beam floor is widely applied in the structures above mentioned.
无粘结预应力混凝土扁梁楼盖在高层、大跨建筑中广泛应用。
The structures are simulated as a beam with elastic bearing, then a model is proposed for the analysis of prestressed concrete structures with a strip of post pouring concrete during construction.
将留后浇带预应力混凝土梁模拟为弹性支座梁，研究了留后浇带预应力混凝土结构施工期间的力学性能。
Compared with prestressed rebar concrete beam, its stiffness is more little. Especially in the-big-span bridge, its deflection is a important control factor which influence its application.
与预应力钢筋混凝土梁相比，其刚度较小，特别是在大跨径桥梁中，其挠度变形是影响其应用的重要控制因素。
By a actual engineering example in Leikou bridge, the design of prestressed concrete T-frame bridge hanging a beam.
通过磊口大桥工程实例，对带挂梁的预应力混凝土T型刚构桥的设计进行总结。
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。
A calculation model for the interfacial shear stress of the reinforced concrete beam strengthened with prestressed CFRP sheets was built based on the elasticity theory after releasing and loading.
采用弹性理论方法，建立了预应力碳纤维布加固钢筋混凝土梁在放张和承载后界面剪应力的理论计算模型。
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。
Unadhesive prestressed converted deep beam of composite steel concrete column, is a new style structure which used in high building.
劲性混凝土柱无粘结预应力转换大梁，是应用在高层建筑的一种新型结构。
The combination of prestressed anchorage cable and reinforced concrete beam and slab can well transmit the powerful action force of the cable, which can provide strong blocking and protecting force.
预应力锚索与钢筋混凝土梁和板的结合使用，能较好地传递锚索的强大作用力，提供较大的挡护力。
The paper discussed the construction technology of pre tensioned prestressed concrete hollow plate beam from the technologic principle, characteristic and construction technique.
本文从工艺原理、特点、工艺技术几个方面，论述了先张预应力混凝土空心板梁的施工技术。
The controlled crucial works for this contract section is the construction for the prestressed concrete continuous combined box beam.
本合同段控制性关键工程是预应力砼连续组合箱梁的施工。
The failure modes and the mechanical behaviors of the common steel & concrete composite beam and the prestressed beam and the strengthened beam are analyzed and compared.
对比分析了普通钢与混凝土组合梁、预应力钢与混凝土组合梁和预应力加固钢与混凝土组合梁的受力性能与破坏形态。
The key to calculate the ultimate flexural strength of unbonded partially prestressed concrete (UPPC) beam Bridges is how to determine the ultimate stress of unbonded post tensioning tendons.
无粘结部分预应力混凝土(UPPC)梁桥抗弯强度计算的关键，是如何确定无粘结预应力筋的极限应力。
Xiamen Yinhu bridge is a partially cable-stayed prestressed concrete bridge, whose pier, tower and beam are consolidated together.
厦门同安银湖大桥是国内第一座使用环氧全涂平行钢绞线斜拉索的预应力混凝土部分斜拉桥，墩塔梁固结体系。
The traditional steel beam reaction system was substituted by prestressed concrete reaction system in the ultrahigh static loading tests of bored piles of Fuxing Bridge.
在复兴大桥超高吨位灌注桩的静载试验，预应力混凝土反力装置替代了传统的钢梁反力系统。
Unbond prestressed concrete wide flat beam-slab structure is a new type of floor system.
无粘结预应力混凝土扁梁-平板结构体系是一种新型的楼盖体系。
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。
Most of the research on moment redistribution is based on continuous beam structures, a little on prestressed concrete frames.
关于预应力结构的内力重分布研究很多是关于连续梁结构的，对预应力框架的研究相对较少。
Most of the research on moment redistribution is based on continuous beam structures, a little on prestressed concrete frames.
关于预应力结构的内力重分布研究很多是关于连续梁结构的，对预应力框架的研究相对较少。
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