Seismic research on unbonded partially prestressed concrete flat-beam frame structure;
无粘结部分预应力混凝土扁梁框架抗震性能试验研究
Calculation of deflection and crack width in unbonded partially prestressed concrete beams;
无粘结部分预应力混凝土梁的挠度、裂缝宽度计算
The design and study of EHV partially prestressed reactive powder concrete pole
超高压部分预应力活性粉末混凝土电杆的设计
Parametric studies were carried out to evaluate the influence of loading type,span-depth ratio,reinforcement index,partial prestressing.
建立了基于增量变形的既适用于有粘结部分预应力混凝土梁亦适用于无粘结部分预应力混凝土梁受力全过程数值分析方法。
On the basis of design and research of the partial prestressing multi-span frame beam,this article presents a practical calculation method of this kind of structure on the estimation of frictional loss of the parabolic prestressed steel reinforcement,anchorage loss of the curved one and influence of its contra-flexure location on the equivalent moment.
本文在对部分预应力多跨连续框架梁进行设计研究的基础上,对此种结构的抛物线预应力筋摩擦损失、曲线预应力筋锚固损失以及预应力筋反弯点位置对等效弯矩的影响等。
Through studies of structural design philosophy and following aspects such as concrete creep effects,loading,construction sequence imitation,partially prestressing,progressive failure,cross nodes of diagrid columns,temperature and shrinkage effects,buckling and etc,some important hidden defect regarding safety in structural tender design had been found,such as insuff.
通过对结构设计理念、混凝土徐变效应、荷载作用、结构及自重生成过程的施工模拟、环梁部分预应力、交叉柱失效抗连续倒塌、交叉柱节点承载力、温度收缩效应、交叉斜柱及整体结构屈曲稳定等多方面研究分析,发现了法国工程师所作的该项目结构标书设计存在着交叉柱节点承载力不足、混凝土斜柱徐变变形差异引起主楼倾斜等重大安全隐患,进而采取了下部北侧柱截面空心、交叉柱节点内加钢板凳、环梁超预应力改为部分预应力等多项重大技术改进措施,取得了明显的综合技术经济效益,确保了工程安全,恢复了正常施工。
By the adjustment of structural design philosophy and studies of concrete creep effects, loading, construction sequence imitation, partially prestressing, progressive failure, cross nodes of diagrid columns, temperature and shrinkage effects, buckling etc, some important hidden troubles had been found regarding safety in structural te.
通过对该结构设计理念、混凝土徐变、荷栽、施工模拟、部分预应力、连续倒塌、交叉柱节点、温度收缩效应及屈曲稳定等多方面研究分析,发现法国工程师所作的原项目结构标书设计存在着交叉柱节点承载力不足、混凝土斜柱徐变变形差异引起主楼倾斜等重大安全隐患。
The construction technology of partial prestress pretensioned method hollow plate beam;
部分预应力先张法空心板梁施工技术
The existed method on partial prestress calculation is simplified for prestressed anti-slide pile,the efficiency of rebar configuration calculation is improved for popularized usage of anti-slide pile project.
通过分析桩身预应力抗滑桩的结构及受力特点,对预应力抗滑桩配筋计算进行了研究,确定预应力抗滑桩的结构形式,并对现有部分预应力计算方法在预应力抗滑桩上的应用进行了简化,提高了配筋计算的效率,便于在工程推广应用。
The conceptions contain: design conception of whole prestress, partial prestress design conception, design conception of prestress equilibrium load and un agglutinating partial prestress.
介绍了预应力混凝土技术的几种设计概念 ,即全预应力设计概念、部分预应力设计概念、预应力筋平衡荷载的设计概念、无粘结部分预应力。
Design of Partially Prestressed Highway Bridges According to Degree of Prestressing
按预应力度设计公路部分预应力桥梁
partially prestressed composite construction
部分预应力组合结构
EXPERIMENTAL RESEARCH ON FLEXURAL BEHAVIORS OF PARTIALLY-PRESTRESSED AND PARTIALLY-BONDED CONCRETE BEAM REINFORCED WITH CFRP BARS
部分预应力部分粘结CFRP筋预应力混凝土梁受弯性能的试验研究
ANALYSIS ON THE FLEXURAL BEHAVIOR OF PARTIALLY-PRESTRESSED CONCRETE BEAMS REINFORCED WITH CFRP
CFRP加固部分预应力梁的抗弯性能分析
Design of a 21-meter partial reinforced coucrete frame;
21m跨度部分预应力混凝土框架的设计
THE ANALYSIS OF ULTIMATE STRESS INCREMENT FOR PARTIALLY PRESTRESSED WITH UNBONDED TENDONS
无粘结部分预应力筋极限应力增量评析
The Possibilities and Economics of the Application of Partial Prestressed Concrete Beam in Railway Bridges
部分预应力在铁路预应力混凝土桥梁上应用的可能性和经济性
Research on the Influence of the Degree of Prestress to Re-centering Behavior of Unbonded Partially Prestressed Concrete Columns;
预应力度对无粘结部分预应力混凝土柱复位性能的影响研究
Studies on Hysteretic Models for Partially Prestressed Concrete Flexural Members;
部分预应力混凝土受弯构件恢复力模型研究
Static Analysis of Unbonded Partially Prestressed Reinforced Concrete (PPC) Beam-Column Connection Behavior;
无粘结部分预应力砼梁柱节点的受力性能研究
CONSTRUCTION QUALITY CONTROL OF ADHESIVE PART PRESTRESSED CONCRETE
有粘结部分预应力混凝土的施工质量控制
Direct Design of Partially Prestressed Concrete Members according to Two Kinds of Limit State
部分预应力砼构件按两类极限状态的直接设计
Calculation of deformation for unbonded partially prestressed concrete (PPC) beams with high strength concrete
无粘结部分预应力高强混凝土梁变形计算
Design and Research of Long Span Partially Prestressed Concrete Multistory Frame
大跨度部分预应力混凝土多层框架的设计研究
Cross Section Design of Partially Prestressed Concrete (PPC) Highway Bridges
部分预应力混凝土公路桥梁的正截面设计
Experimental Study on Fatigue Behavior of Retard-bonded Partially Prestressed Concrete Beams;
缓粘结部分预应力混凝土梁疲劳性能试验研究
Study on Fatigue Behavior of P.P.C Beams with Mixed Reinforcement;
混合配筋部分预应力混凝土梁疲劳性能研究
Study on Flexural Behavior for Partially Prestressed Concrete Beams with FRP Tendons;
纤维塑料筋部分预应力混凝土梁受弯性能研究