Results 21 to 30 of about 9,441 (308)

Short-Term Gradation Loading Creep Properties and Failure Characteristics of High-Strength Fly Ash Concrete for Underground Engineering

open access: yesAdvances in Civil Engineering, 2020
In order to study the short-term creep deformation of high-strength concrete with varying fly ash replacement ratios, concrete samples with 0, 20, 35, and 50 wt% fly ash were tested using an electrohydraulic servocontrolled creep testing system and ...
Bing Li   +6 more
doaj   +1 more source

Thermoviscoelastic Analysis of Concrete Creep at Mesoscale [PDF]

open access: yesKey Engineering Materials, 2016
Concrete is a heterogeneous material made up at mesoscale of linear elastic aggregates distributed in a mortar matrix whose behavior is time and temperature dependent. The Interfacial Transition Zone (ITZ) between aggregates and matrix also influences the overall behavior.
Bary, B., Bourcier, C., Helfer, T.
openaire   +2 more sources

Systematic Review on the Creep of Fiber-Reinforced Concrete [PDF]

open access: yesMaterials, 2020
Fiber-reinforced concrete (FRC) is increasingly used in structural applications owing to its benefits in terms of toughness, durability, ductility, construction cost and time. However, research on the creep behavior of FRC has not kept pace with other areas such as short-term properties.
Tošić, Nikola   +2 more
openaire   +4 more sources

Analogy between Sustained Loading and Strain Rate Effects on the Nonlinear Creep Response of Concrete [PDF]

open access: yes, 2015
This paper investigates the uniaxial compression behaviour of concrete under different strain rates and its relation to sustained loading. The aim is to observe the strain rate effect on the pre- and post-peak behaviour of concrete.
Aurelio Muttoni   +5 more
core   +1 more source

Study on Mechanical Properties of Simply-Supported Composite Beams Considering Creep and Slip

open access: yesApplied Sciences, 2022
In the current industry, steel–concrete composite beams are used in large-span bridges and super-high-rise building structures due to their excellent overall performance.
Qinan Lei, Peng Wang, Hongliang Nan
doaj   +1 more source

Creep and Shrinkage of Self-Compacting Concrete with and without Fibers [PDF]

open access: yes, 2013
Fiber-reinforced self-compacting concrete (FRSCC) is a high-performance building material that combines positive aspects of fresh properties of self-compacting concrete (SCC) with improved characteristics of hardened concrete as a result of fiber ...
Nejadi, S, Aslani, F
core   +1 more source

A memory-dependent three-dimensional creep model for concrete

open access: yesCase Studies in Construction Materials
The study of creep models for concrete is of great significance in analyzing and predicting the long-term stability of concrete structures. Based on the theory of memory-dependent derivatives, memory-dependent viscous dashpots that can describe the ...
Deng Zhang   +4 more
doaj   +1 more source

Nonlinear Creep Behavior and Viscoelastic-Plastic Constitutive Model of Rock-Concrete Composite Mass

open access: yesAdvances in Civil Engineering, 2020
The joint force deformation of rock-concrete composite structures is different from that of simple rock specimens or concrete specimens, such as the tunnel surrounding rock-lining concrete, dam foundations, and concrete.
Yang Liu   +4 more
doaj   +1 more source

Effect of Stress–Strength Ratio on Creep Property of Sodium Silicate–Based Alkali-Activated Slag Concrete

open access: yesApplied Sciences, 2019
Alkali-activated materials have attracted increasing interest owing to their excellent properties and environmental protection. However, there have been few studies on their creep properties.
Xianyu Zhou   +4 more
doaj   +1 more source

Analysis and modeling of uniaxial compressive creep of MMA-modified unsaturated polyester polymer concrete

open access: yesJournal of Materials Research and Technology, 2020
Creep and shrinkage are the major time-dependent phenomena occurring in concrete. Because they significantly affect the long-term dimensional changes and relaxation of restrained stresses in concrete, it is of great importance to accurately consider ...
Kwan-Kyu Kim   +2 more
doaj   +1 more source

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