Concrete thermal failure criteria, test method, and mechanism: A review

H Zhu, Y Hu, R Ma, J Wang, Q Li - Construction and Building Materials, 2021 - Elsevier
The thermal cracking of massive concrete, especially for the dam concrete, due to the
complex temperature histories and restraint conditions jeopardizes the structure's safety and …

Effect of air entrainment on the mechanical properties, chloride migration, and microstructure of ordinary concrete and fly ash concrete

P Zhang, D Li, Y Qiao, S Zhang, C Sun… - Journal of Materials in …, 2018 - ascelibrary.org
Air-entrained concrete has been extensively used in bridges and water conservancy
projects in cold regions. The objective of this study was to investigate the effect of air …

Autogenous deformation and coefficient of thermal expansion of early-age concrete: Initial outcomes of a study using a newly-developed Temperature Stress Testing …

L Li, V Dao, P Lura - Cement and Concrete Composites, 2021 - Elsevier
Thermal and autogenous deformations of high-performance concrete at early ages have
significant impact on the performance, serviceability, and durability of concrete structures …

Air-void structure, strength, and permeability of wet-mix shotcrete before and after shotcreting operation: The influences of silica fume and air-entraining agent

P Choi, JH Yeon, KK Yun - Cement and Concrete Composites, 2016 - Elsevier
It is well known that the air-void structure of hardened concrete has substantial effects on the
mechanical properties and durability of concrete. In this study, laboratory evaluations were …

Time-zero and deformational characteristics of high performance concrete with and without superabsorbent polymers at early ages

L Li, AGP Dabarera, V Dao - Construction and Building Materials, 2020 - Elsevier
Internal curing with superabsorbent polymers (SAP) can help lower early-age cracking risk
of high performance concrete, by reducing both autogenous shrinkage and thermal strain. In …

Effect of aggregate mineralogy and concrete microstructure on thermal expansion and strength properties of the normal strength concrete

J An, SS Kim, BH Nam, SA Durham - Applied Sciences, 2017 - mdpi.com
Aggregate type and mineralogy are critical factors that influence the engineering properties
of concrete. Temperature variations result in internal volume changes could potentially …

In situ measurement of coefficient of thermal expansion in hardening concrete and its effect on thermal stress development

JH Yeon, S Choi, MC Won - Construction and Building Materials, 2013 - Elsevier
It is well known that the coefficient of thermal expansion (CTE) has substantial effects on
behavior and performance of concrete structures. In this study, a time-dependent variation of …

Moisture-dependent piezoresistive responses of CNT-embedded cementitious composites

C Song, S Choi - Composite Structures, 2017 - Elsevier
This study experimentally investigated the effect of moisture content on the piezoresistive
responses of carbon nanotube (CNT)-embedded cementitious composites. In an …

Internal relative humidity, autogenous shrinkage, and strength of cement mortar modified with superabsorbent polymers

G Urgessa, KB Choi, JH Yeon - Polymers, 2018 - mdpi.com
Laboratory evaluations were performed to investigate the effect of internal curing (IC) by
superabsorbent polymers (SAP) on the internal relative humidity (IRH), autogenous …

Predicting concrete coefficient of thermal expansion with an improved micromechanical model

C Zhou, X Shu, B Huang - Construction and Building Materials, 2014 - Elsevier
The coefficient of thermal expansion (CTE) is a very important property of cement concrete.
Concrete CTE represents the thermal expansion and/or contraction sensitivity of concrete …