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ABSTRACT The Ordinary Headed Stud (OHS) connector whose diameter is 25 mm or larger is regarded as the large OHS connector, which possesses greater shear stiffness and ultimate capacity. Therefore, [...]

ABSTRACT Cemented paste backfill (CPB) is a type of cementitious material produced with tailings, cement, and water. Typically, CPB has a high proportion of tailings (75-80 wt%), which may contain [...]

ABSTRACT Recycled concrete aggregate (RCA) is an excellent substitute of natural aggregates and its use in civil engineering projects has received great attention in recent years. One of the important [...]

ABSTRACT In this study, the compressive and splitting tensile strengths of concrete containing both coarse and fine recycled concrete aggregates (RCA) were measured after subjected to elevated temperatures from 20 [...]

ABSTRACT Eleven push-out experimental specimens were analyzed based on the orthogonal design method to investigate the effects of a checkered steel plate pattern height, position of pattern and transverse stirrup [...]

ABSTRACT In this study, we proposed a method for predicting early shrinkage of concrete restrained by reinforcement bar based on capillary tension theory and microstructure pore of concrete. Concrete specimens [...]

ABSTRACT This study presents the characterization of the mechanical and durability performance of wet lay-up flax/ epoxy composites used for the external strengthening of concrete structures. The composites are manufactured [...]

ABSTRACT Concrete is a widely used material in the construction industry due to its affordability and availability; however, it is also sensitive to crack formation typically under tension stresses. Due [...]

ABSTRACT Experimental and numerical investigations have been performed on twenty short square and rectangular hollow sections (SHS and RHS) steel columns. The confinement action provided by the CFRP wrapping effectively [...]

ABSTRACT The use of externally bonded (EB) fiber reinforced composites to strengthen reinforced concrete (RC) structures has been explored extensively in recent decades. While many studies have been conducted on [...]

ABSTRACT The influence of variable climatic conditions on the strength of a glued-laminated arched timber structure after five years of outdoor operation was examined. The aim of the investigation was [...]

ABSTRACT The present study proposes a new strategy to develop a composite gypsum binder with enhanced strength and stability using mineral admixture (zeolite) and bio-carbonate fillers (waste shell powders). The [...]

ABSTRACT This study explores the use of a water reacting polymer as a substitute to asphalt binder in constructing pavement wearing surfaces for mitigating environmental impacts (e.g., carbon emissions and [...]

ABSTRACT The latest research data indicates that geopolymer concrete reinforced with mono fibre has a remarkable enhancement in its impact strength and fracture toughness, which is well documented. Nevertheless, many [...]

ABSTRACT This paper presents the strength, permeation and micro-structural properties of concrete incorporating waste marble as partial replacement of fine aggregates. Initially one control mix was designed and six mixes [...]

ABSTRACT The current paper aims to examine the effects of cement and zeolite contents on the strength of zeolitecemented sand using the unconfined compressive strength (UCS) and splitting tensile strength [...]

ABSTRACT The use of steel fibre hybridisation with different aspect ratios have been seen to enhance the pre and post cracking response of concrete, however the invention of new innovative [...]

ABSTRACT Cellulosic sugar acids from lignocellulose biomass are composed of gluconic acid, xylonic acid, arabonic acid, galactonic acid and mannonic acid. The major application of cellulosic sugar acids is cement [...]

ABSTRACT To mitigate concrete pavement cracking at high-altitude locations, jointed reinforced slabs made with concrete containing MgO expansion agent (MEA) were investigated in this study. Firstly, concrete mixtures with varying [...]

ABSTRACT For ground improvement, the use of calcium sulfoaluminate (CSA) cement, which has lower carbon footprint is examined as an alternate to ordinary Portland cement (OPC). The use of additives [...]

ABSTRACT The environmentally friendly polycarboxylate superplasticizer based on modified poly(aspartic acid) (MPASPs) with varied grafting densities were prepared by partially ring-opening reaction of polysuccinimide (PSI) with polyetheramine M2005 (PEM) and [...]

ABSTRACT An analytical model is proposed to predict the tensile behavior of ultra-high performance concrete (UHPC) considering the pullout behavior of single fiber in matrix. The fiber pullout behavior is [...]

ABSTRACT The utilization of natural and artificial lightweight aggregates in lightweight self-compacting concrete (LWSCC) is gaining popularity in research field. Extensive research has been carried out in the past decade [...]

ABSTRACT In this study, experimental investigations are carried out on control (without flexural deficiency) and flexural deficient reinforced concrete (RC) beams with two levels (FDl-20% and FD2-30% deficient) of deficiency, [...]

ABSTRACT The utilization of shrinkage reducing admixture (SRA) in concrete has been received considerable attention in recent years. SRA is being used very commonly to reduce the shrinkage of concrete, [...]

ABSTRACT Conventional engineered cementitious composites (ECCs) are produced with low-volume and expensive ultrafine silica sand (maximum size 250 Mm), which imposed negative influence on dry-shrinkage, cost and the practical application [...]

ABSTRACT When subjected to dynamic loading, materials can exhibit a mechanical behaviour quite different from its static counterpart. The evaluation of dynamic properties is thus very useful in the assessment [...]

ABSTRACT To increase the strength of cement bitumen emulsion mixture (CBEM), the effect of water and cement content on the volumetric properties and strength of CBEM was firstly studied to [...]

ABSTRACT This paper presents an experimental work on repair of partially damaged reinforced concrete beam- column joints using carbon fiber-reinforced plastics (CFRP) plates. The investigation carried out is mainly dedicated [...]

ABSTRACT In the present study, development of a class of High Performance Alkali Activated Slag Concrete mixes (hereafter referred to as HPAASC mixes) is discussed. These mixes are developed using [...]

ABSTRACT The current study informs the average residual properties of self-compacting based hybrid fiber reinforced concrete mixed with low volume of fly ash and colloidal nano silica exposure to temperature [...]

ABSTRACT This study investigates the influence of incorporating different types of carbon nanotubes (CNTs) on the long-term creep and shrinkage of concrete. Concretes were produced with 0.05-0.5% of unfunctionalized and [...]

ABSTRACTThe confinement mechanism for concrete columns utilizing carbon fibre wraps is well recognized to be an economic solution for rehabilitation and strengthening works. Partial application of this strength enhancement approach [...]

ABSTRACTMultilayer casting of self-consolidating concrete (SCC) can be critical in situations involving delays between the placements of successive lifts. In the absence of mechanical consolidation, the increase in structural buildup [...]

ABSTRACTPolymer concrete (PC) is a type of concrete where a polymer is used to replace cement as the binder. PC is an impermeable and chemical resistant concrete with appreciable mechanical [...]

ABSTRACTIn this research study, the strength development of cement mortar (CM) containing recycled asphalt pavement (RAP) as fine aggregate replacement for natural sand was investigated by means of strength, X-ray [...]

ABSTRACTThis paper presents a comprehensive study to investigate the effects of freeze-thaw damage coupling with sustained loading on the bond behavior of various concrete, through a series tests of loading, [...]

ABSTRACTThis paper researches the bonding properties between the existing concrete and ECC by 66 slant shear and 66 split tensile specimens exposed to 22[degrees]C, 200[degrees]C, 400[degrees]C, 600[degrees]C and 800[degrees]C. The [...]

ABSTRACTThe post-fire mechanical performance of aluminum alloys is a key parameter for residual structural behavior evaluation, repair and reinforcement design of aluminum alloy structures. In this paper, the post-fire residual [...]

ABSTRACTConcrete-filled carbon fiber reinforced polymer (CFRP) tubular arches have been constructed as the load-carrying structure for bridge engineering over the last decade in the US. To investigate the dynamic responses [...]

ABSTRACTIncorporation of bacterial technology in concrete has attracted the attention of many researchers in the past decades. While much of the attention was focused on crack self-healing in concrete, it [...]

ABSTRACTBonding between ultra-high toughness cementitious composite (UHTCC) and corroded reinforcement has a great effect on the mechanical behaviour of reinforced UHTCC members subjected to chloride attack and of corroded structural [...]

ABSTRACTHigh-ductility cementitious composites (HDCCs) with multiple cracking and excellent tensile strain behavior have been widely studied. The fiber component plays a pivotal role and its surface state directly determines the [...]

ABSTRACTIn this paper, the effect of curing period on the residual strength of Portland cement mortars containing multi-walled carbon nanotubes (MWCNTs) after 7 and 28 days of wet curing at [...]

ABSTRACTResidual strength of the concrete members after being exposed to high temperatures is very important for the structures. In this study, residual strengths of the concretes produced with ground granulated [...]

ABSTRACTFly ash-based geopolymer (FAGP) and alkali-activated slag (AAS) concrete are produced by mixing alkaline solutions with aluminosilicate materials. As the FAGP and AAS concrete are free of Portland cement, they [...]

ABSTRACTThis paper presents an investigation into the influence of humidity on the mass changes and the mechanical (buckling, toughness) properties of Pseudosasa amabilis bamboo. The tests were carried out in [...]

ABSTRACTThe increasing need of fiber-reinforced polymer (FRP) in civil engineering applications gradually aroused serious concern of the long-term durability of this novel construction material. This study investigated the durability of [...]