The Energy Integrity Resistance to the Destruction of the Long-Term Strength Concrete

被引：17

作者：

Krishan, Anatoly ^{[1
]}

Rimshin, Vladimir ^{[2
]}

Erofeev, Vladimir ^{[3
]}

Kurbatov, Vladimir ^{[4
]}

Markov, Sergey ^{[2
]}

机构：

[1] Nosov Magnitogorsk State Tech Univ, Pr Lenina 38, Magnitogorsk 455000, Russia

[2] Moscow State Univ Civil Engn, Moscow 129337, Russia

[3] Ogorev Mordovia State Univ, Saransk 430005, Russia

[4] Shuhov Belgorod State Tech Univ, North Caucasian Branch, Stavropolskiy Kray, G Mineralnyye V, Russia

来源：

INTERNATIONAL SCIENTIFIC CONFERENCE URBAN CIVIL ENGINEERING AND MUNICIPAL FACILITIES (SPBUCEMF-2015) | 2015年 / 117卷

关键词：

high-strength concrete; confinement reinforcement; steel fiber reinforced concrete (SFRC); short-term heating; elevated temperatures; axial compression; strain; strength; SHRINKAGE; CREEP;

D O I：

10.1016/j.proeng.2015.08.143

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents a new approach to recognize a long-term strength of concrete. We introduce into the calculation a new concept of energy integrity of the specific energy of W-maximum resistance to the destruction. In the formation and aging process the concrete is considered to be a non-conservative system. Strength development implies the increasing of the demanded specific work for fracture. The results of the calculations show that for critical reinforced concrete constructions operate at a significant level of long-term loading. The coefficient of the working conditions should be given as differentiating, taking into account the predicted concrete creep. (C) 2015 Published by Elsevier Ltd.

引用

页码：211 / 217

页数：7

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