[软件][更新][混凝土][科研]2019版 MCSR:Mander Confined Strength Ratio Calculator [2019版Mander混凝土约束强化系数计算工具]

坚持实干、坚持一线、坚持积累、坚持思考,坚持创新。


科研小工具,进行新的更新,做研究的小伙伴有需要的可以看看,忙完项目后更新。

旧版软件可以在这里查看:[软件][混凝土][科研][工具]Mander Confined Strength Ratio Calculator[Mander混凝土本构约束强化系数]

  • 软件图标 (Program ICON)

  • 引言(Introduction

博文Mander Confined Concrete Model 资料整理总结了Mander模型参数的计算方法,其中该模型十分关键的一个参数为约束混凝土的峰值强度fcc’。关于fcc’的确定,Mander模型原文(Ref. 1)给出的方法为:首先确定两个方向的约束系数,然后通过查图得到约束强度系数(Confined Strength Ratio),进而得到fcc’(博文Mander Confined Concrete Model – Confined Strength Ratio [Mander混凝土本构约束强化系数]》也提到),不方便使用。

原文给出的约束强度系数(Confined Strength Ratio – fcc’/fco’)图:

Confined Strength Ratio - Mander

很多小伙伴问我:

(1)如果不查表,如何计算 Mander模型的约束强化系数?

(2)如果我想放到论文里面,上面Mander模型的约束强化系数图怎么做出来?

好,今天就写个程序教大家做。

  • 程序界面(Program Interface

  • 程序功能(Program Features

(1)功能1:程序通过输入两个方向的有效约束系数,计算Mander混凝土模型的约束强度系数,省去查图的过程,方便平时做数值模拟。

Fuction 1:This program is for calculation of the Confined Strength Ratio of Mander Confined Concrete Model proposed by Mander  in 1988. 

(2)功能2:输入最小约束强化系数,最大约束强化系数,及最大约束强化系数增量步,绘制约束强化系数图表。

Fuction 2:Input smallest confining stress ratios, input largest confining stress ratio and step of largest confining stress ratio. The program can generate  the Confined Strength Ratio Plot of Mander Confined Concrete Model proposed by Mander  in 1988. 

(3)功能3: 将结果输出到EXCEL 图表。

Fuction 3: Export the plot above to Excel Plot file.

  • 实例(Examples

(1) 实例1(Example 1

柱子非约束混凝土强度fco’ = 30Mpa,两个方向的约束应力为flx’ = 2.7Mpafly’ = 5.1Mpa,求约束混凝土的峰值强度fcc’(Consider a column with an unconfined strength of fco’=30Mpa and confinning stresses in two direction are flx’= 2.7Mpa and fly’ = 5.1Mpa respectively,calculate the compressive strength  fcc’ of the confined concrete)

约束系数计算( Confinning stresse ratio ):

 flx’/fco’ = 2.7/30 = 0.09;

 fly’/fco’ = 5.1/30 = 0.17;

软件计算过程(Get Confined Strength Ratio by Software):

输入两个方向的约束应力系数,点击“Calculate”按钮。(Input the confinning stresse ratio in two direction and press the ‘Calculate‘ button.

约束混凝土强度系数(Confined Strength Ratio):

 fcc/fco’ = 1.6515760

约束混凝土强度(compressive strength  fcc’ ):

fcc‘ = 1.651576 × 30 = 49.55 Mpa

读图(Get Confined Strength Ratio from Figure):

mander强度提高系数-Example1

(2)实例2(Example 2

柱子非约束混凝土强度fco’ = 30Mpa,两个方向的约束应力为flx‘ = 3.0Mpafly’ = 8.4Mpa,求约束混凝土的峰值强度fcc’(Consider a column with an unconfined strength of fco’=30Mpa and confinning stresses in two direction are flx’= 3.0Mpa and fly’ = 8.4Mpa respectively,calculate the compressive strength  fcc’ of the confined concrete)

约束系数计算( Confinning stresse ratio ):

 flx’/fco’ = 3.0/30 = 0.1;

 fly’/fco’ = 8.4/30 = 0.28;

软件计算过程(Get Confined Strength Ratio by Software):

输入两个方向的约束系数,点击“Calculate”按钮。(Input the confinning stresse ratio in two direction and press the ‘Calculate‘ button.)

约束混凝土强度系数(Confined Strength Ratio):

 fcc/fco’ = 1.7971448

约束混凝土强度(compressive strength  fcc’ ):

fcc= 1.7971448 × 30 = 53.91 Mpa

读图(Get Confined Strength Ratio from Figure):

mander强度提高系数-Example2

(3)实例3(Example 3

最小约束强化系数:0;0.1;0.2;0.3;0.4;0.5;0.6;0.7

(smallest confining stress ratios: 0;0.1;0.2;0.3;0.4;0.5;0.6;0.7 )

最大约束强化系数:0.8

(largest confining stress ratios: 0.8 )

最大约束强化系数步:0.02

( step of largest confining stress ratio: 0.02)

计算约束强化系数图

(calculate the compressive strength ratio plot)

(4)实例4(Example 4

最小约束强化系数:0; 0.02; 0.04; 0.06; 0.08; 0.1; 0.12; 0.14; 0.16; 0.18; 0.2; 0.22; 0.24; 0.26; 0.28; 0.3

(smallest confining stress ratios: 0;0.02; 0.04; 0.06; 0.08; 0.1;0.12; 0.14; 0.16; 0.18; 0.2;0.22; 0.24; 0.26; 0.28; 0.3 )

最大约束强化系数:0.3

(largest confining stress ratios: 0.3 )

最大约束强化系数步:0.02

( step of largest confining stress ratio: 0.02)

计算约束强化系数图

(calculate the compressive strength ratio plot)

和Mander模型论文的图进行对比

(Compare with the plot given by mander’s paper)

Confined Strength Ratio - Mander

将结果保存为excel数据

(Export the compressive strength ratio plot to EXCEL)

  • 程序下载(Program Download

如果您需要使用这个软件,请在这给网站捐助:http://www.jdcui.com/?page_id=4813,捐助不少于150RMB,捐助后在评论区留下您的评论,软件将通过邮件给您发送,敬请尊重劳动成果 !!!。)

  • 参考文献(Reference

[1]  Mander J B, Priestley M J N, Park R. Theoretical stress-strain model for confined concrete[J]. Journal of Structural Division,ASCE. 1988, 114(8): 1804-1826.

  • 相关博文(Related Posts

[1]  Mander Confined Concrete Model 资料整理

[2]  Mander Confined Concrete Model – Confined Strength Ratio [Mander混凝土本构约束强化系数]

[3] 旧版软件:[软件][混凝土][科研][工具]Mander Confined Strength Ratio Calculator[Mander混凝土本构约束强化系数]

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  • 注释 ( Comments )

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3 thoughts on “[软件][更新][混凝土][科研]2019版 MCSR:Mander Confined Strength Ratio Calculator [2019版Mander混凝土约束强化系数计算工具]

  1. Yunhuang Reply

    崔老师,您好。有个问题想请教下您。mander模型中的f`co是指的混凝土圆柱体的强度f’c么?
    为何我用中国规范中的fck带进去公式算出来的f’cc 和 把该fck转换为f’c带入公式(fck=0.79f’c)得到的f”cc(再将此f”cc除以0.79转换为棱柱体强度),为什么两次计算结果不同呢?
    主要想请教下崔老师,mander模型中f’co该如何取值?谢谢老师

  2. Pingback: 本站混凝土单轴本构博文汇总整理 | 崔济东的博客 - www.jdcui.com

  3. Pingback: [软件]Mander Confined Strength Ratio Calculator[Mander混凝土本构约束强化系数] | 崔济东的博客 - JiDong Cui's Blog

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