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ABSTRACT Bleeding occurs when freshly mixed cement-based materials settle in a form, and this phenomenon influences the quality of the fresh state as well as the hardened state. This paper [...]

ABSTRACT This paper utilizes the statistical design of experiments approach to optimize the mixture design of self-consolidating concrete (SCC) incorporating metakaolin (MK). The factors studied were total binder content, percentage [...]

ABSTRACT This paper presents the results of an experimental study on the hardened characteristics of the self-compacting concretes made with cold bond fly ash lightweight aggregates. Binary and ternary use [...]

ABSTRACT The water vapour permeability of concretes or various building systems is an important parameter when defining the concept of favourable living conditions. Within the scope of the research described [...]

This paper examines the use of accelerated aging as an expedited method to determine the material property inputs for service life modeling. When the samples are cured in saturated lime [...]

ABSTRACT This paper provides a 'state-of-the-art' review of the pertinent properties of concrete at temperatures lower than 165°C that make it amenable for direct containment of liquefied natural gas (LNG). [...]

ABSTRACT The paper provides a summary of findings from a study that was done to evaluate practicality of Durability Index (DI) performance-based specifications that have been implemented on a large [...]

ABSTRACT This paper describes the evaluation methods for porous asphalt in Kyoto Jukan Expressway with long life. It was examined by photography on pavement surface, water permeability test in the [...]

ABSTRACT This paper presents a study of performance evaluation of cement-based mortars incorporating very fine aggregates from recycled concrete. A series of standardized tests were performed during the experimental programme [...]

ABSTRACT This paper presents the results of an experimental investigation carried out to evaluate the influence of Sporoscarcina pasteurii bacteria on the compressive strength and rapid chloride permeability of concrete [...]

ABSTRACT In this paper, a mesoscopic structure model is proposed and is used to investigate the chloride diffusion behaviour in concrete. The concrete is treated as a heterogeneous material composed [...]

ABSTRACT This paper is devoted to the study of the influence of the microstructure of cementitious materials on their gas permeability. For that purpose, cement pastes with four water to [...]

ABSTRACT This paper presents an experimental study to evaluate effect of cumulative lightweight aggregate (LWA) content (including lightweight sand) in concrete [water/cement ratio (w/c) = 0.38] on its water absorption, [...]

ABSTRACT This paper reports the results of an extensive experimental characterization of the sorption isotherms, vapour permeability and Moisture Buffer Value (MBV) of finishing solutions that are commonly applied on [...]

ABSTRACT Production of durable concrete at lower strength levels is always a challenge for concrete technologists. One way to achieve this objective is by the use of Supplementary Cementitious Materials [...]

ABSTRACT The road and building industry are the largest material consumers of the earth and the largest producer of solid waste. Recycling and reusing waste materials such as construction and [...]

ABSTRACT The carbon dioxide (C[O.sub.2]) is a chemical compound that can be present at subsurface, inside the porous of reservoir rocks containing oil or natural gas, dissolved or free. Being [...]

ABSTRACT Concrete permeability is usually determined by testing unstressed, non-damaged specimens in laboratories as a constant. In reality, however, concrete is subjected to various operational loads in the time span [...]

ABSTRACT The integration and permeability of the interface between concrete layers of a dam considerably affect its structural functionality and safety. To understand the interface properties, several tests were conducted [...]

ABSTRACT In presence of water, cracks of reinforced concrete structures can heal naturally or with the help of admixtures. The project aimed to measure the water permeability and self-healing of [...]

ABSTRACT Explosive spalling is one of the most detrimental problems for ultra-high performance concrete (UHPC) in fire condition due to the risks of breaching the integrity of concrete structures. This [...]

ABSTRACT Singapore generates about half a million ton of wood waste annually, which constitutes a major fraction of disposed waste. Pyrolysis of wood waste to produce biochar, that can be [...]

ABSTRACT Contamination of ballast due to penetration of sand into the voids between ballast aggregate adversely affects the drainage potential of the track structure in desert areas. Using finer gradation [...]

ABSTRACT The influence of mineral admixtures and curing conditions on the permeability of concrete with high volume mineral admixtures is investigated. Fly ash and ground granulated blast furnace slag (GGBFS) [...]

ABSTRACT The study focuses on hydro-mechanical properties of soil-cement mixtures. This material produced by Deep Soil Mixing is used as foundations or cutoff walls and therefore must have appropriate mechanical [...]

ABSTRACT The resistance of room temperature cured geopolymer mortars (GPM) against chemical attacks, i.e. sodium and magnesium sulfate solutions, and sulfuric and hydrochloric acid solutions, was evaluated. GPMs were formulated [...]

ABSTRACT The present study concerns the resistance of silica fume (SF) concrete against chloride-induced corrosion, when SF concrete is built in a chloride-bearing environment. Chloride transport and critical chloride threshold [...]

ABSTRACT The research evaluates novel concrete mixtures, including crystalline admixtures, coarse ground calcium carbonate, and macro/micro-fibers, for use in basement walls that satisfy the International Residential Code with a reduction [...]

ABSTRACT The main features that differentiate permeable friction course (PFC) mixtures from dense-graded asphalt mixtures are the high total air voids content--18 to 22%--and stone-on-stone contact condition in the coarse-aggregate [...]

ABSTRACT 10 concrete specimens with different water-binder ratios and admixtures were manufactured to analyze the relationship between permeability and microstructure of the test concrete. The gas permeability coefficient and effective [...]

ABSTRACT The concern about the massive use of the non-renewable and very limited fossil fuels together with the well-known effects of the global warming makes it more necessary the efficient [...]

ABSTRACT The ultrasonic velocity in concrete and the concentrations of ions at different depths along the directional flow of ion erosion were measured under the joint effect of seepage flow [...]

ABSTRACT Coatings made with water dispersions of different nano-particles of photocatalytic additives (titania and titania doped with iron and vanadium) were prepared with diverse superplasticizers, SPs, to optimize the atmospheric [...]

ABSTRACT This work investigated the influence of graphene oxide (GO) suspension as a surface sealer on the properties of two types of cementitious mortars (Portland cement mortar and high-volume fly [...]

ABSTRACT A new line of research to enhance the performance of concrete under adverse (harsh) and normal (air cured) curing conditions is presented. A crystallising hydrophobic admixture and curing agents [...]

ABSTRACT In addition to stresses from dynamic loading, concrete pavements in cold climatic areas are often attacked by freeze-thaw cycling. The interface transition zone (ITZ) is the first section to [...]

ABSTRACT External sulfate attack is a progressive degradation process that may cause expansion, cracking, loss of binder cohesion and increased permeability in cementitious materials. Crystallization pressure theory has often been [...]

ABSTRACT The modifiers currently being applied enable obtaining cement composites of barely unlimited number of specific features which satisfy the needs of construction market. Due to this fact, it is [...]

ABSTRACT Silica fume as partial replacement in concrete for cement increases the durability of reinforced concrete and reduces cement usage. However, the low bulk density and high specific surface area [...]

ABSTRACT The durability of reinforced concrete structures is largely impacted by their transfer properties, which can be evaluated through, for example, permeability measurement. Usually, concrete permeability is studied on plain [...]

GRAPHICAL ABSTRACT ABSTRACT To investigate the combined effects of micro-silica (MS) and nano-silica (NS) on the durability of concrete, an experimental program was launched, in which mortar mixes representing mortar [...]

GRAPHICAL ABSTRACT A model of lignin-protein-bamboo fibers network. ABSTRACT This study focuses on manufacturing by thermo-pressing new low-environmental- impact bio-insulation fiberboards from bamboo fibers and bone glue, modified with sodium [...]

ABSTRACT The article evaluates the efficiency of surface hydrophobisation based on organosilicon compounds. The subject of the study involved expanded cork mortars produced from Quercus Suber oak. Surface hydrophobisation was [...]

ABSTRACT Many of the degradation problems of concrete can be attributed to the weak surface layer. Surface treatment of concrete has been proven a simple and effective method to enhance [...]

ABSTRACT Experimental investigations of hygric and thermal conductivity properties of a new biocomposite material dedicated for construction which contains cement, sand and water and reinforced with 15 wt% of date [...]

ABSTRACT The durability of concrete depends to a large extent on the difficulty of external aggressive agents in penetrating the porous network of concrete. The ability of this material to [...]

ABSTRACT Disposal of solid waste materials is a great concern in cities all around the world. Some of these waste materials are not biodegradable, which often leads to disposal crisis [...]

ABSTRACT In order to obtain the optimum mixture proportions of wet-mix shotcrete, the tests of shotcrete properties with different fiber length were firstly conducted and the situation of breakage fiber [...]

ABSTRACT Application of nano-Si[O.sub.2] (NS) particles to reinforce high performance concrete (HPC) has received widespread attention from both construction industry and researchers due to their interface improving effect, small size [...]

ABSTRACT Gangue and tailings are both solid wastes produced by mining processing. In this study, permeable bricks were prepared by partial sintering of aggregates method, using gangue and tailings as [...]