BRITTLENESS AND STRENGTH SIZE EFFECT OF HIGH AND SUPER HIGH STRE NGTH CONCRETES

Huang Yubin; Qian Jueshi

doi:10.13204/j.gyjz200501004

Volume 35 Issue 1

Dec. 2014

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Huang Yubin, Qian Jueshi. BRITTLENESS AND STRENGTH SIZE EFFECT OF HIGH AND SUPER HIGH STRE NGTH CONCRETES[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(1): 15-17. doi: 10.13204/j.gyjz200501004

Citation:

Huang Yubin, Qian Jueshi. BRITTLENESS AND STRENGTH SIZE EFFECT OF HIGH AND SUPER HIGH STRE NGTH CONCRETES[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(1): 15-17. doi: 10.13204/j.gyjz200501004

Huang Yubin, Qian Jueshi. BRITTLENESS AND STRENGTH SIZE EFFECT OF HIGH AND SUPER HIGH STRE NGTH CONCRETES[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(1): 15-17. doi: 10.13204/j.gyjz200501004

Citation:

Huang Yubin, Qian Jueshi. BRITTLENESS AND STRENGTH SIZE EFFECT OF HIGH AND SUPER HIGH STRE NGTH CONCRETES[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(1): 15-17. doi: 10.13204/j.gyjz200501004

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BRITTLENESS AND STRENGTH SIZE EFFECT OF HIGH AND SUPER HIGH STRE NGTH CONCRETES

doi: 10.13204/j.gyjz200501004

Huang Yubin¹,
Qian Jueshi²

1.
1. Institute of Civil Engineering,Chongqing University Chongqing 400045;
2.
2. Institute of Materials,Area B of Chongqing University Chongqing 40 0045

Received Date: 2004-07-22
Publish Date: 2005-01-20

Abstract

Abstract

The previous study on high streng th concrete often only devoted to improvement on strength in laboratory.On one hand there does exist strength size effect,on the other hand the brittleness is increased with an increase in strength of concrete,and the phenomenon more pr evalently.So the availability of these studies became suspect.In this paper,base d on size effect law suggested by Bazant,the high strength and super high streng th concrete is studied.It is shown that with the improvement of strength of conc rete the trend that strength of concrete decreases quickly with scale increasing is more pronounced.Furthermore meaning of the study connecting brittleness with size effect is discussed.
- high and super high strength concrete,
- strength,
- brittleness,
- size effect,
- size effect law

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References(4)

References

Bazant Z P,Kazemi M T.Determination of Fracture Energy,Proce ss Zone Length and Brittleness Number from Size Effect with Application to Rock and Concrete.International Journal of Fracture,1990,44(2):111～131

[2] RILEM Committee on Fracture Mechanics of Concrete-Test Methods.Size-Effect Method for Determining Fracture Energy and Process Zone Size of Concrete.Materia ls and Structures,1990,23(138):461～465

[3] Ben I G Barr,Hadi F Abusiaf,Siddik Sener.Size Effect and Fracture Energy Stud ies Using Compact Compression Specimens.Materials and Structures,1998,33(1):36～ 41

[4] 钱觉时,罗晖,王智.水泥混凝土高强化与强度尺寸效应.建筑材料学报,1998(2): 134～138

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