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Showing papers in "Construction and Building Materials in 2019"


Journal ArticleDOI
TL;DR: In this paper, the authors present a review of thermal insulation materials used in the construction industry, focusing on researches utilized of renewable resources and wastes in thermal insulations development, and the light was shed on the composites materials which was developed as a construction material with high thermal insulation capacity.

268 citations


Journal ArticleDOI
TL;DR: In this paper, the authors investigated the influence of binder composition and time interval between layers on layer-interface strength in 3D-printable cement-based compositions (3PCs).

258 citations


Journal ArticleDOI
TL;DR: In this paper, the mechanical properties of high performance concrete reinforced with basalt fiber and polypropylene fibers were investigated, and a conversion relationship between flexural strength and cube compressive strength was proposed.

239 citations


Journal ArticleDOI
TL;DR: In this article, an optimal basalt fiber content was determined basing firstly on suitable printability and then on mechanical performance using a self-developed 3D printer for extrusion of the cementitious material and also for mechanical enhancement of fiber alignment along the print direction.

224 citations


Journal ArticleDOI
TL;DR: In this paper, the authors provide a fundamental insight into the integrated applications of rubberized concrete composite materials to improve construction methods, including applications to enhance environmental sustainability of concrete structures in the construction industry.

210 citations


Journal ArticleDOI
TL;DR: In this paper, a critical review of the application of macro-encapsulated phase change material (PCM) in buildings for energy savings has been carried out, and a detailed review of various approaches to integrate the macroencapped PCM in the building envelope has been shown.

208 citations


Journal ArticleDOI
TL;DR: In this article, the potential of geopolymers towards enhancing the structural fire resistance by critically reviewing its properties subjected to elevated temperature exposure is discussed, and the influence of these factors is discussed at length in this article.

205 citations


Journal ArticleDOI
TL;DR: Wang et al. as mentioned in this paper investigated the rheological and harden properties of the high-thixotropy 3D printing concrete, and a large-scale components-bus station preliminarily was prepared by using this technology.

205 citations


Journal ArticleDOI
TL;DR: In this paper, the authors report an in-depth review of foam concrete in terms of its components, fresh state and physical properties like consistency, stability, workability, drying shrinkage, air-void system and water absorption.

186 citations


Journal ArticleDOI
TL;DR: In this article, the fundamental concepts, key components, manufacturing process, piezoresistivity measurements, and primary applications of cement-based sensors are reviewed in smart concrete to self-sense and monitor the damages and cracks through the measurements of concrete electrical resistivity.

177 citations


Journal ArticleDOI
TL;DR: In this paper, the authors aim at predicting and modeling the 7, 28 and 56 days compressive strength of a concrete containing concrete's recycled coarse aggregates and that, for different range of cement content and slump.

Journal ArticleDOI
Xunhao Ding1, Luchuan Chen, Tao Ma1, Haixia Ma, Gu Linhao1, Tian Chen1, Ma Yuan1 
TL;DR: In this article, the performance of the recycled asphalt concrete with stable crumb rubber asphalt (SCRA) binder was investigated and the results indicated that the rejuvenator has a positive effect on the low-temperature performance, moisture stability and fatigue resistance.

Journal ArticleDOI
TL;DR: In this article, a beetle antennae search (BAS) algorithm based random forest (RF) model was proposed to accurately and effectively predict the uniaxial compressive strength (UCS) of self-compacting concrete (LWSCC).

Journal ArticleDOI
TL;DR: In this article, the mechanical properties of fly ash silica-fume plain concrete (FA-SPC) and fly ash-silicafume coconut fibre reinforced concrete (SCFRC) are investigated.

Journal ArticleDOI
TL;DR: In this paper, the effects of solid content, binder dosage, activator to binder (Al/Bi) ratio, and curing temperature on fresh and hardened properties of AAS-CPB mass were experimentally investigated after curing ages of 3, 7, 14 and 28 days.

Journal ArticleDOI
TL;DR: In this article, two types of recycled cements (RC-450°C and RC-800‚C) were produced in order to reduce the CO2 emission for cement production.

Journal ArticleDOI
TL;DR: The proposed method with two stages to select proper variables, simplify parameter settings, and predict HPCCS shows a strong generalization capacity, and the prediction performance of the model is better when the input variables are expressed as absolute mass.

Journal ArticleDOI
TL;DR: In this paper, the authors present an overview on the progress of geopolymers research and development in recent decades, focusing on the applications progress of the geopolymer as green civil engineering materials, rapidly repair and dealing with poisonous and radioactive waste materials, coatings, novel ceramic materials, functional composite, three-dimensional printing materials and biological materials, etc.

Journal ArticleDOI
TL;DR: In this article, the authors identified the existing problems of applying the LCA method in RAC from 5 aspects, including mixture design method, selection of functional units, allocation of inventory, CO2 uptake during the life cycle of concrete and transport distance of recycled aggregate.

Journal ArticleDOI
TL;DR: In this paper, nano-SiO2 (NS) was introduced in a steam-cured cementitious system to induce the early hydration, with intention to promote the early strength.

Journal ArticleDOI
TL;DR: In this paper, a coupling effect of pressure load with stress ratio of 0, 0.3 and 0.5 and freeze-thaw cycles was found to play an important role in the water absorption and chloride penetration of concrete.

Journal ArticleDOI
TL;DR: This review presents the recent achievements in the field of sensors developed for monitoring the health of concrete infrastructures and the sensors particularly fabricated based on fiber optic, Bragg grating, piezoelectric, electrochemical, wireless and self-sensing technologies.

Journal ArticleDOI
TL;DR: This review summarises the successful applications of this technique to concrete and asphalt materials to date and provides insight into the current capabilities and state of the art of non-destructive X-ray micro computed tomography.

Journal ArticleDOI
TL;DR: In this paper, the performance of code-based and empirical models reported in the literature on recycled aggregate concrete (RAC) mechanical properties (i.e., compressive strength, elastic modulus, flexural strength and splitting tensile strength) are first assessed using extensive experimental data collected from the literature, and the assessments indicate that these models cannot achieve a desirable accuracy for their predictions.

Journal ArticleDOI
TL;DR: In this paper, an extensive experimental campaign was carried out to investigate the mechanical strength of fiber-reinforced lightweight foamed concrete, which was prepared with a viscosity enhancing agent that increases the cohesion and consistency of the cement paste at the fresh state.

Journal ArticleDOI
Tao Shi1, Zexin Li1, Jian Guo1, Hao Gong1, Chunping Gu1 
TL;DR: In this article, the properties of CNTs and CNFs are discussed, including the mechanical properties, the deformation property, the durability property, thermal conductivities and electrical conductivities.

Journal ArticleDOI
TL;DR: In this article, the effect of different percentages of crumb rubber as a partial substitution of both; fine, and coarse aggregates by volume percentage (0, 10, 20 and 30%) on the hardened properties (compressive, tensile and flexural strength) and impact resistance of slag based geopolymer concrete (replacing the cement by; ground granulated blast furnace slag (GGBFS) activated with sodium silicate and sodium hydroxide).

Journal ArticleDOI
TL;DR: This study primarily concentrates on the information collection of the production and utilization of MPC in bio-materials, crack repair in pavements, hazardous waste management, fibre reinforced mortar, particle boards and clinical bio-ceramics using different design mixes of the MPC ingredients by the previous scholars.

Journal ArticleDOI
TL;DR: Guo et al. as discussed by the authors provided insights for the future development of 3D printable cementitious materials for building and construction by controlling the basic inputs of materials to obtain desired structural performance.

Journal ArticleDOI
TL;DR: In this article, Rice husk ash (RHA) is used as a partial replacement to improve the inferior property of RCA concrete, and mechanical properties such as compressive strength and splitting tensile strength are studied.