配筋率

根据龄期调整的有效模量法，推导了配筋率对构件的徐变收缩变形影响的计算公式。

In this method , based on age-adjusted effective module method , the formula to calculate steel ratio effects on member deformation is deduced . 3 .

预应力和部分预应力砼受弯构件最小配筋率P（pmin）的简捷计算方法

A Simplified Method for Calculating Minimum Steel Ratio of Prestressed and Partially Prestressed Concrete Bar

由于μ受截面半径r的影响很大，在实际工程设计中，为了获得良好的经济效益，有必要对截面尺寸和配筋率进行优化，本文为其优化设计提供了可行的方法。

In this paper , the feasibility method is presented for the optimization design .

研究FRP筋混凝土梁配筋率对其正截面极限抗弯承载力的影响，并给出其影响系数。

Reinforcement ratio affecting on ultimate flexural capacity of beams was studied and the effect coefficient was presented .

利用FRP筋混凝土梁截面的平衡条件和变形协调条件，给出梁的平衡配筋率；

Based on equilibrium and deflection compatibility condition of concrete beam section reinforced with FRP bars , the balanced reinforcement ratio was provided .

应用MATLAB编写了计算程序，并分析了受拉区混凝土抗拉强度对低配筋率钢筋混凝土桥墩Mφ曲线的影响。

The computational program is developed by MATLAB . The influence of tensile strength zone of the concrete on M φ curve of the piers with low ratio reinforcement is analyzed .

随着配筋率的增大和张拉控制应力的提高，有黏结预应力CFRP筋混凝土梁的位移延性有所降低；

With the increase of reinforcement ratios or stretching control stresses of CFRP tendons , displacement ductility of beams decreases to some extent .

通过对静力测试中参数的选择、分析，并通过修正结构刚度及配筋率来定量地对在役RC桥梁承载能力进行评定。

Through the static test parameter selection , analysis , and through the fixed structure stiffness and reinforcement ratio to quantitatively evaluated the RC bridge carrying capacity .

主要分析配筋率、截面尺寸、保护层厚度、受火面和柱端约束对FRP筋混凝土柱抗火性能的影响。

The influences of reinforcement ratio , section size , concrete cover thickness , fire condition and end restriction of columns on fire resistance performance are analyzed .

试验的变化参数为GFRP布层数、粘结长度及配筋率。

The variable parameters considered in test beams are the layers of GFRP sheets , the bond lengths and the reinforcement ratios .

本文主要对CFRP加固后，连续梁调幅能力、支座配筋率对加固效果影响、二次受力等几个因素可能对连续梁承载力产生的影响做了定性分析。

This article qualitatively analyses several possible effects to the carrying load , in the capacity of moment adjustment with CFRP reinforcement , the support reinforcement rate and two-way loading .

应用ANSYS有限元软件，对不同配筋率下，普通钢筋混凝土梁的荷载&挠度曲线、裂缝发展情况进行了计算、模拟，与试验研究吻合较好。

With the finite element software ANSYS , load - deflection curves and crack development of the general RC beams with different reinforcement ratios are calculated , and the results agree well with the tested data .

采用数值分析方法，探讨了配筋率、配筋位置、地基模量等参数对CRCP受力变形特性的影响。

The influence laws of reinforced ratio reinforced position and foundation coefficient on the deformation are studied with numerical analyses .

钢筋混凝土构件纵向钢筋最小配筋率的功能与取值《混凝土结构设计规范》（GB500102002）修订背景介绍

Function and Evaluation of Minimum Longitudinal Reinforcement Ratio of RC Members

用ANSYS软件，建立三维有限元模型分析不同钢筋布置方式、不同配筋率对蜗壳结构受力以及裂缝宽度和裂缝分布的影响，从而确定最优的配筋率和钢筋布置方式。

Applying ANSYS program , establish the whole 3D finite element model , analyze the stress , crack width and crack distribution of structure with different reinforcement ratio and arrangment , select the best reinforcement ratio and arrangment .

用JC法分析了管桩外径、壁厚、预应力、混凝土强度、箍筋间距及配筋率等因素在抗剪模式及抗弯模式中对水平承载力可靠性指标的影响。

Research are done in JC way by studying pile diameter , wall thickness , prestress , concrete level stirrups space and reinforcement ratio in shear mode and bending mode .

当ufy小于（ufy）0时，板的承载力取决于抗弯强度，增大配筋率能提高板的承载力。

When ( uf_y ) is smaller than ( uf_y ) 0 , the carrying capacity will depend on bending strength only , and the carrying capacity will increase with the increase in the ratio of reinforcement .

试验采用的混凝土强度等级为C25，主要变化参数为初始荷载及加载历史、CFRP加固量、纵筋配筋率、锚固措施等。

Concrete intensive grade is C25 , the main variable parameters such as initial load and load history , CFRP amount , reinforcement ratio , anchor measure was adopted .

在ANSYS仿真计算中，探索了考虑普通钢筋和不考虑普通钢筋的作用对结构长期变形以及长期应力的影响，并进一步从配筋率的角度对普通钢筋的影响进行深入研究。

In the ANSYS simulation , explore considering and not considering the role of ordinary steel bar how to affect the long-term deformation and long-term stress of the structure , and further study of the impact in the perspective of ordinary steel bars ' rate .

此外，以配筋率、CFRP布粘贴层数、锚固件间距为参数进行了一系列的对比试验，为工程应用及后续研究奠定了基础。

Furthermore , comparative studies were carried out , with these parameters considered : the steel reinforcement ratio , the number of CFRP layers and anchor distance . The study is the foundation of project application and the follow-up research .

在试验研究基础上，采用ANSYS有限元分析程序，对不同抗拔钢筋配筋率的混凝土承台-钢柱脚在单向加载下的性能进行了弹塑性计算分析。

Nonlinear finite element analysis of pile caps of steel column base under unilateral load is carried out by ANSYS program in order to understand the enhance effect to ultimate up-lift bearing capacity of steel column base embedded in concrete pile cap with anti-punching shear bar .

核心配筋率、等效轴压比和配箍特征值是影响RRC柱抗震性能的主要因素。

The main factors that influence the seismic behavior of RRC columns are the percentage of central reinforcement , equivalent ratio of axial compression and characteristic value of stirrups .

结果表明：增加受压区配筋率和受拉区配筋率均可增大m-n相关曲线所包围的面积，提高钢筋混凝土偏心受拉构件的承载能力。

The analyzed results indicate that increasing the steel ratio of tension reinforced and compression reinforced can increase the capacity of the reinforced concrete eccentric tension members .

抗力和配筋率相同，600mm厚比450mm厚的简支墙不破坏的最小安全爆炸距离减少了3%。

When the wall has same ductility and reinforcement ratio , 600 mm thick wall minimum safe distance reduces 3 % over 450 mm thick wall .

本文对14根钢筋混凝土梁试件进行了四点弯曲加载试验，考虑加固量、纵筋配筋率和嵌贴长度的影响，重点研究了表层嵌贴CFRP板的抗弯加固承载力。

Based on the results of four-point bending tests of 14 RC test beams with different areas of CFRP strips , areas of steel tension bar and different lengths of CFRP , this thesis studies the flexural performance of the RC beams with near surface mounted CFRP strips .

探讨了加固梁的配筋率、CFRP布粘贴层数、锚固件锚固间距对加固效果的影响：通过试验证明新型复合粘结技术能够实现CFRP布的多层粘贴（本文中的最多粘贴层数为7层）。

The effects of reinforcement ratio , the number of paste layers of CFRP sheet and anchor distance are discussed . Furthermore , experimental results indicate that CFRP sheets can be multi-layer pasted with the new hybrid bonding technique and that the maximum number of CFRP layers is seven .

利用该模型，通过算例比较了中国GB50010-2002、美国ACI318-02、澳大利亚AS3600-1988三国规范关于混凝土板温度收缩钢筋的最小配筋率要求，并对此提出了设计建议。

With the simple model , some examples are shown to compare the provisions for minimum shrinkage and temperature reinforcement in GB 50010-2002 Code , ACI 318-02 Code and AS 3600-1988 Code . Finally , some recommendations are proposed .

根据新规范的抗裂验算准则，对于低配筋率的构件设计，将同时受到ρpmin要求和抗裂度要求的双重控制。

According to the crack criterion provided in the new design code , a beam with low steel ratio should meet both the demand of crack criterion and that of ρ pmin simultaneously .

沥青层厚度的增加、横向裂缝间距的加宽、配筋率的适当增加和底基层强度的提高可以降低K2，延缓CRC-AC复合式路面沥青层反射裂缝的开裂扩展。

Adding thickness of AC layer , widening transverse cracks , increasing steel ratio properly and enhancing subbase strength , K2 will be decreased , which can prevent the initiation and expanding of reflection crack of AC layer in CRC-AC compound pavement effectively .

钢筋混凝土偏压构件经济配筋率的探讨

Discussion on Economical Ratio of Reinforced Concrete Large Eccentric Structural Member