Distributed models of self-stress value in textile-reinforced self-stressing concrete

Wang, Boxin; Zhao, Jianyu; Wang, Qing

doi:10.1016/j.conbuildmat.2016.06.149

Cited by 12 publications

(11 citation statements)

References 20 publications

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“…The scientific background of this last assumption (c) authors proposed to find in article [11]. What can we read in this paper?…”

Section: Analysis Of Cracking Load Is Based On the Following Three As...mentioning

confidence: 94%

“…What basic assumptions is used a new model for assessment selfstresses in TRCC according to [10,11]? On the one hand, in article [10] we can to read the following: "Self-stress is distributed along the fibre bundle in the textile and exhibits similar effect to that of mechanical pre-stress."…”

Section: New Theory Of Self-stressing Distribution Model According To...mentioning

confidence: 99%

“…(3) Is the rest part of the section free from self-stressing if self-stresses concentrate within a limited range above and below textile reinforcement? Maybe, philosophy of the authors [10][11][12] related to self-stressing of the concrete can be explained by a following statement from article [12]:"steel bar-reinforced self-stressing concrete (SSC) and other types of reinforced SSC also have inherent shortcomings. The steel bar used to reinforce SSC cannot influence the entire concrete cross-section uniformly.…”

Section: Analysis Of Cracking Load Is Based On the Following Three As...mentioning

confidence: 99%

“…The mechanical and material properties of TRC have been extensively investigated [18]. In investigations [10][11][12] "self-stressing concrete (SSC) matrix was combined with textile to form a new composite material, namely, textile-reinforced self-stressing concrete (TRSSC). In this material, textile functions as expansion confinements to SSC to attain self-stress.…”

Section: Introductionmentioning

confidence: 99%

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Некоторые Замечания О Химическом Предварительном Напряжении Арматуры Из Напрягающего Бетона

Tur

2021

Vestnik of Brest State Technical University. Civil Engineering

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In last years has been observed a new wave of interest in the research and practical use of self-stressing concrete, now in combination with various types of non-traditional reinforcement. One of the widely used types of these reinforcements is FRP bars and long fibers (textile). We connect the major problems of FRP reinforcement using as a structural reinforcement with the development of exceeding deflections as well as crack opening under service loads. One of the most effective methods for its performance enhancing is chemical pre-stressing with self-stressing concrete. When self-stressing concrete matrix combined with textile forms a new composite material, namely according to Boxing Wang et al., textile -reinforced self-stressing concrete (TRSSC). This paper presents a critical analysis of some basic assumptions of the proposed models for assessment restraint strains/self-stresses distribution and calculation method of cracking load and deflection of textile reinforced self-stressing concrete.

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“…The scientific background of this last assumption (c) authors proposed to find in article [11]. What can we read in this paper?…”

Section: Analysis Of Cracking Load Is Based On the Following Three As...mentioning

confidence: 94%

Section: New Theory Of Self-stressing Distribution Model According To...mentioning

confidence: 99%

Section: Analysis Of Cracking Load Is Based On the Following Three As...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Некоторые Замечания О Химическом Предварительном Напряжении Арматуры Из Напрягающего Бетона

Tur

2021

Vestnik of Brest State Technical University. Civil Engineering

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“…Steel fiber and self-stress increase the ultimate load of CFST columns. Wang et al [11] and other scholars have found that the effect of the self-stress for the concretefilled steel tube specimen is a quadratic function distribution. Lu et al [12,13] found that the initial self-stress can significantly improve the bearing capacity of the steel fiberreinforced microexpansive concrete short columns, the selfstress can significantly improve the bonding strength between the steel tube and concrete, and there is an optimal value of steel fiber content for improving the bond performance.…”

Section: Introductionmentioning

confidence: 95%

Experimental Study on Influence of Microexpansive Concrete Self‐Stress on Performance of Steel Pipe Concrete

Liu

Zheng

Fang

et al. 2021

Shock and Vibration

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To explore the influence of microexpansive concrete self-stress on the performance of steel pipe concrete, the expansion rate test of microexpansive concrete confined by steel tube was carried out with different expansion rates. Then, the mechanical properties of high-strength steel tube-confined microexpansive concrete (HSTCMC) short columns were conducted by the uniaxial compression test. The length-to-diameter ratio, the expansion rate of the microexpansive concrete, and the steel tube thickness were investigated in the study. Furthermore, the ABAQUS software was employed to analyze the microexpansive mechanism of the concrete, and it was verified by the uniaxial compression test. The test results show that the concrete possesses a remarkable volume expansion phenomenon, which was up to 150 με after four days of maintenance time. The mechanical properties of the HSTCMC short columns were greatly improved compared to the control RC pier. The yield and ultimate strength of the HSTCMC short columns can be enhanced to 8.9% and 14.6%, and with the content of expansive agent that increased from 8% to 12%. The finite element analysis results highlighted that the end constraint at the two ends has the biggest influence on the mechanical performance of the HSTCMC short columns, followed by the thickness of the steel tube and the content of the expansive agent. It should be noted that the self-stress of microexpansive concrete will be decreased with the increase in the length-to-diameter ratio, when the length-to-diameter ratio is less than four. Furthermore, the constraint effect of the circular steel tube on the microexpansive concrete is better than that of the rectangular section steel tube.

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Calculation method of cracking load and deflection of textile reinforced self-stressing concrete

Wang

Yuan

Lü

et al. 2021

Construction and Building Materials

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Distributed models of self-stress value in textile-reinforced self-stressing concrete

Cited by 12 publications

References 20 publications

Некоторые Замечания О Химическом Предварительном Напряжении Арматуры Из Напрягающего Бетона

Некоторые Замечания О Химическом Предварительном Напряжении Арматуры Из Напрягающего Бетона

Experimental Study on Influence of Microexpansive Concrete Self‐Stress on Performance of Steel Pipe Concrete

Calculation method of cracking load and deflection of textile reinforced self-stressing concrete

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