Influence of alkali-silica reaction and crack orientation on the uniaxial compressive strength of concrete cores from slab bridges

Barbosa Ricardo Antonio; Hansen Soren Gustenhoff; Hansen Kurt Kielsgaard; Linh Cao Hoang; Grelk Bent

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Influence of alkali-silica reaction and crack orientation on the uniaxial compressive strength of concrete cores from slab bridges

机译：碱-硅反应和裂纹取向对平板桥梁混凝土芯单轴抗压强度的影响

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摘要

For a reliable structural analysis and risk assessment of concrete structures damaged by alkali-silica reaction (ASR), knowledge of the concrete compressive strength is essential.

机译：为了可靠地进行碱-二氧化硅反应（ASR）破坏的混凝土结构的结构分析和风险评估，了解混凝土的抗压强度至关重要。

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来源
《Construction and Building Materials》 |2018年第10期|440-451|共12页
作者
Barbosa Ricardo Antonio; Hansen Soren Gustenhoff; Hansen Kurt Kielsgaard; Linh Cao Hoang; Grelk Bent;
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作者单位

Tech Univ Denmark, Bldg 118, DK-2800 Lyngby, Denmark;

Univ Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark;

Tech Univ Denmark, Bldg 118, DK-2800 Lyngby, Denmark;

Tech Univ Denmark, Bldg 118, DK-2800 Lyngby, Denmark;

Tech Univ Denmark, Bldg 118, DK-2800 Lyngby, Denmark;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Alkali-silica reaction; Slab bridges; Uniaxial compressive strength; Young's modulus; Crack orientation; Thin section examination; Failure mechanism;

机译：碱-硅反应;平板桥;单轴抗压强度;杨氏模量;裂纹取向;薄壁检查;破坏机理;

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1. Anisotropic Compressive Behaviour of Concrete from Slabs Damaged by Alkali-Silica Reaction [J] . Hansen Soren Gustenhoff, Hoang Linh Cao Construction and Building Materials . 2021,第Jana18期

机译：碱二氧化硅反应损坏的板坯混凝土的各向异性压缩行为
2. Specimen Slenderness and the Influence of Joint Orientation on the Uniaxial Compressive Strength of Singly Jointed Rock [J] . P. L. P. Wasantha, P. G. Ranjith, Daniel R. Viete Journal of materials in civil engineering . 2014,第6期

机译：试样细长度和节理取向对单节理岩体单轴抗压强度的影响
3. Influence of uniaxial tension and compression on shear strength of concrete slabs without shear reinforcement under concentrated loads [J] . Bui T. T., Nana W. S. A., Abouri S., Construction and Building Materials . 2017,第Auga15期

机译：单轴拉伸和压缩对集中荷载下无抗剪混凝土板抗剪强度的影响
4. Influence of alkali-silica reactions on cracking in concrete pavements [C] . R. Breitenbuecher, C. Sievering Transportation and Development Institute congress;TDI Congress 2011 . 2012

机译：碱-硅反应对混凝土路面开裂的影响
5. The Influence of Surface Preparation on Bond Strength Between Concrete Overlay and Underlay in Prestressed Slab Bridges [D] . Singaraju, Krishna 2018

机译：表面处理对预应力板桥混凝土覆盖层与底层粘结强度的影响。
6. Changes in the Compressive Strength of Concrete in Thin Horizontally Formed Slabs [O] . Jacek Szpetulski, Bohdan Stawiski 2020

机译：薄水平形成板坯混凝土压缩强度的变化
7. Mechanical properties of various concrete after high temperature exposure Mechanical property of various types of concrete after high temperature exposure is investigated. Considering compressive strength requirement for a vertical element in high rise building, concrete specimens with various design strengths of 35, 80, 100, and 150 MPa were tested. Particularly, the influence of incorporated steel fiber on fire resistance is of interest in this study. Experimental results show that the fire resistance depends on the design strength and steel fiber content. Normal strength concrete (NSC) of a design strength of 35 MPa or high performance concrete (HPC) of 80-100 MPa does not spall when exposed to 100-400 °C of temperature. However, an explosive spalling occurs at 300 °C when the HPCs contain 1 vol. of steel fiber. Ultra-high performance concrete (UHPC) of a design strength of 150 MPa and 1.5 vol. of steel fiber also shows dramatic spalling at 300 °C. The experimental results found in this study can contribute to a better understanding of the behaviors of HPC and UHPC under fire and the role of steel fiber on the fire resistance. [O] . 2017

机译：研究了高温暴露后各种混凝土高温曝光机械性能各种混凝土的机械性能。考虑到高层建筑中垂直元件的抗压强度要求，测试了35,80,100和150MPa各种设计强度的混凝土试样。特别是，在这项研究中，掺入钢纤维对耐火性的影响。实验结果表明，耐火性取决于设计强度和钢纤维含量。在暴露于100-400°C的温度时，80-100MPa的设计强度为35MPa或高性能混凝土（HPC）的正常强度混凝土（NSC）不会击落。然而，当HPC含有1体积的钢纤维的百分比时，爆炸性剥落发生在300℃。超高性能混凝土（UHPC）的设计强度为150 MPa和1.5 Vol。钢纤维的百分比也显示出300℃的剧烈剥落。本研究中发现的实验结果可以有助于更好地了解在火灾中的HPC和UHPC的行为以及钢纤维对耐火性的作用。
8. Analytical and Experimental Evaluation of Stiffness Parameters of Voided Concrete Slab Bridges. Volume 2. Strength Design of Longitudinally and Transversely Posttensioned Voided Slab Bridges [R] . Sen, R., Hodge, D. S. 1989

机译：空心板混凝土板桥刚度参数的分析与试验评价。第2卷。纵向和横向后张空洞板梁的强度设计

Influence of alkali-silica reaction and crack orientation on the uniaxial compressive strength of concrete cores from slab bridges

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