预应力混凝土构件中不同腐蚀程度钢丝转移长度的测定

IF 0.4 4区工程技术 Q4 CONSTRUCTION & BUILDING TECHNOLOGY

Informes De La Construccion Pub Date : 2020-06-09 DOI:10.3989/ic.71428

P. Anaya, J. Rodríguez, C. Andrade, B. Martín-Pérez, C. López Hombrados

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引用次数: 2

摘要

预应力混凝土构件中钢筋与混凝土之间的粘结可能由于不同的原因而退化，是最常见的腐蚀损伤之一。转换长度是描述预应力钢与混凝土粘结性能的关键指标。通过预应力梁的试验，本文重点对一个分析模型进行了实验验证，该模型用于分析锯齿形和光滑钢丝腐蚀引起的粘结退化过程及其对预应力混凝土构件性能的影响。该模型基于厚壁圆筒理论和混凝土粘结裂缝理论。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Determinación de la longitud de transferencia de alambres con distintos grados de corrosión en elementos pretensados de hormigón

Bond between steel and concrete in prestressed concrete members may be degraded due to different reasons, being one of the most frequent ones the corrosion induced damage. Transfer length is the key indicator to describe the bond properties between prestressed steel and concrete. Through tests on prestressed beams, this paper is focused on the experimental verification of an analytical model developed to analyse the processes of bond degradation due to the corrosion of both indented and smooth wires, and its influence on the behaviour of prestressed concrete members. The model is based on both the thick-walled cylinder theory and the cohesive cracking for concrete.

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来源期刊

Informes De La Construccion 工程技术-结构与建筑技术

CiteScore

0.90

自引率

16.70%

发文量

审稿时长

6-12 weeks

期刊介绍： Founded in 1948 by the Instituto Técnico de la Construcción y del Cemento, Informes de la Construcción is a scientific journal issued quarterly. Its articles cover fields such as architecture, engineering, public works, environment, building services, rehabilitation, construction systems, testing techniques, results of research on building components and systems and so forth. Journal"s readership includes architects, engineers and construction companies, as well as researchers and professionals engaging in building construction and public works.