保温厚度对大体积混凝土温度场的影响及裂缝评定

IF 0.8 Q4 ENGINEERING, CIVIL

Electronic Journal of Structural Engineering Pub Date : 2018-06-01 DOI:10.56748/ejse.182722

N.T. Chuc, Le Quy Don, P.V. Thoan, B.A. Kiet

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引用次数: 10

摘要

本文主要研究保温层厚度（0-3）cm对温度场的影响，并使用有限元Midas Civil 2011评估大体积混凝土的裂缝。开发了用于模拟分析早期大体积混凝土中混凝土温度场的有限元方法。根据大体积混凝土的温度场和裂缝评估结果，可以得出结论，应在大体积混凝土表面使用足够厚度的隔热材料来减少温差，控制早期混凝土的裂缝。最后，将研究结果应用于大坝、桥梁、桥墩、桥梁基础和建筑物等大体积混凝土的施工中，提供一些参考。

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The Effects of Insulation Thickness on Temperature Field and Evaluating Cracking in the Mass Concrete

This paper is mainly to study the effects of insulation thickness (0 - 3) cm on temperature field and evaluating cracking in the mass concrete by using Finite Element Midas Civil 2011. The finite element method is developed for simulation analysis of the temperature field in the concrete in early age mass concrete. From the results temperature field and evaluating cracking for the mass concrete it is concluded that insulation with adequate thickness at the face of massive concrete should be used to reduce the temperature differentials and control cracking of early-age concrete. Finally, the results are applied to provide some references for the constructions in the mass concrete such as dams, bridges beams, bridge piers, foundations of bridges and buildings.

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来源期刊

Electronic Journal of Structural Engineering Engineering-Civil and Structural Engineering

CiteScore

1.10

自引率

16.70%

发文量

期刊介绍： The Electronic Journal of Structural Engineering (EJSE) is an international forum for the dissemination and discussion of leading edge research and practical applications in Structural Engineering. It comprises peer-reviewed technical papers, discussions and comments, and also news about conferences, workshops etc. in Structural Engineering. Original papers are invited from individuals involved in the field of structural engineering and construction. The areas of special interests include the following, but are not limited to: Analytical and design methods Bridges and High-rise Buildings Case studies and failure investigation Innovations in design and new technology New Construction Materials Performance of Structures Prefabrication Technology Repairs, Strengthening, and Maintenance Stability and Scaffolding Engineering Soil-structure interaction Standards and Codes of Practice Structural and solid mechanics Structural Safety and Reliability Testing Technologies Vibration, impact and structural dynamics Wind and earthquake engineering. EJSE is seeking original papers (research or state-of the art reviews) of the highest quality for consideration for publication. The papers will be published within 3 to 6 months. The papers are expected to make a significant contribution to the research and development activities of the academic and professional engineering community.