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ABSTRACT The compressive behavior of the cellular concrete utilizing millimeter-size spherical saturated SAP with different porosities was experimentally investigated under quasi-static and high strain-rate loadings. Quasi-static tests at strain rate [...]

ABSTRACT Cement paste is known to react with atmospheric carbon dioxide. Carbonation of cement paste has long been recognized as one of the causes of reinforcement corrosion. On the other [...]

ABSTRACT Laboratory tests were conducted to evaluate the performance of Portland cement pervious concrete (PCPC) with a particular focus on freeze-thaw durability. The admixtures and modifiers such as air-entraining agent [...]

ABSTRACT This paper investigates the microstructure evolution of CSA cement pastes with different water to cement ratios in various hydration stages. Microstructure information, such as porosity, cumulative and incremental pore [...]

ABSTRACT The influence of bleeding on slump flow and solid phase distribution of fresh Portland cement paste, as well as the hydration product distribution, splitting behavior, and porosity of the [...]

ABSTRACT Palm oil clinker (POC), a by-product of palm oil mill, can be found in large quantity in Malaysia and it is considered as waste. POC is suitable as aggregate [...]

ABSTRACT The shrinkage and water desorption of the cement paste with various mineral admixtures, water/binder (w/b) ratios and curing times were measured in different environmental humidity, and the shrinkage behavior [...]

ABSTRACT An experimental program was carried out to investigate the possibility of producing microbial mineralized steel slag bricks through mineralization. The properties of different steel slag bricks such as strength [...]

ABSTRACT In a context promoting waste sustainable management, dredged sediments are assessed for valorization as substitute for sand in non-structural cemented mortars. Full substitution of sand by total sediment revealed [...]

ABSTRACT One of the key parameters for the performance of concrete repairs is the quality of the interface between repair material and concrete substrate. To understand the properties of the [...]

ABSTRACT Glass ceramic foams were prepared by direct foaming method, using coal fly ash and waste glass as the main materials, borax and calcium carbonate as fluxing agent and foaming [...]

ABSTRACT Both the long-term physical and mechanical properties of new green cementitious composites reinforced with bagasse fibre and steel fibre with ultra high volume of fly ash are investigated in [...]

ABSTRACT This research aims to analyze the quality and suitability of recycled concrete aggregates (RCA) produced by crushing concrete blocks provided from building demolition waste by comparison to natural ones [...]

ABSTRACT This study reported an on-going research project of producing sustainable construction material for precast industry. This paper studies the physical and chemical properties of materials, compressive strength, flexural strength, [...]

ABSTRACT High-porosity cement foams based on ternary blends of Portland cement, metakaolin and silica fume were prepared by the pre-foaming method. The effects of ternary blends on the early-age properties, [...]

ABSTRACT The present investigation deals with the effectiveness of hydrogen-rich water in controlling the physical and mechanical performances of cement mortar. In this study, the different concentrations of hydrogen-rich water [...]

ABSTRACT This work investigates the effects of the structure, the bulk chemical composition and amount of the aluminosilicate fines on the strength development, pore refinement, water permeability, moisture control capacity [...]

ABSTRACT The performance of pervious concrete is dictated by the void structure features such as the size of coarse aggregate, void volume, void size, void distribution, and the amount of [...]

ABSTRACT The waste tire rubber represents a serious pollution and waste disposal problem. The aim of this experimental investigation is focused on the interrelation of strength/porosity in the rubberized cement [...]

ABSTRACT The present study concerns a measurement of porosity at the steel fibre interface in mortar. Mortar cast with a centrally located steel fibre (∅0.39 x 15.0 mm) was segmented [...]

ABSTRACT Magnesium phosphate cements are characteristics of fast setting, high early strength, adhesive properties and good biological compatibility, and have been extensively used as fast setting repair materials in civil [...]

ABSTRACT Self-compacting concrete possesses special properties that recommend its application in many repair jobs. However, in some practical cases, inappropriate performance of the repair material has been observed in the [...]

ABSTRACT The research focused on manufacturing a novel binding material system featured by adequate strength. The molar ratio of the components was optimised to reach this favourable property together with [...]

ABSTRACT Self-compacting concrete (SCC) can soon be expected to replace conventional concrete due to its many advantages. Its main characteristics in the fresh state are achieved essentially by a higher [...]

ABSTRACT A comparative study assessed the effect of silica-based micro and nano additions on Self Compacting Concretes at early age (EA) and on hardened porosity and permeability. Several parameters were [...]

ABSTRACT Mechanical and porosity related properties of high initial strength sulfate resistant Portland cement (HS SR PC) pastes subjected to early age carbonation curing were investigated. This work presents the [...]

ABSTRACT The pore structure of foamed concrete is a significant characteristic since it affects properties such as strength and durability. To investigate these properties, the determination of total air voids [...]

ABSTRACT A procedure for generating two-dimensional heterogeneous meso-scale concrete samples is developed, in which the multi-phasic features including the shape, size, volume fraction and spatial distribution of aggregates and pores [...]

ABSTRACT The conducted research programme was focused on fibre spacing in SFR-SCC slabs. SCC slabs with two steel fibres types and different casting points were examined. A distribution and spacing [...]

Byline: Salman Ahmed Khattak, Nasar Khan, Azhar Khan, Usman Hassan, Salman Khurshid, Waseem Khan and Anwar Qadir Abstract In the Salt Range of Pakistan, the sandstones of Middle Jurassic Datta [...]

Byline: Mukhtiar Ghani, Irfan U. Jan and Hafiz Shahid Hussain Abstract The Late Permian Zaluch Group is researched and modelled for their reservoir properties using petrographic and petrophysical analyses in [...]

Byline: Staff WritersVladivostok, Russia (SPX) Dec 13, 2018, 2018 Applying the new method, technologists and materials scientists will be able to quickly, accurately and without destroying the studied objects to [...]

ABSTRACT Vitrified clay sewer pipes are used for sanitary drainage for their corrosion and abrasion resistance. They are manufactured by mixing clay, grog and feldspar as fluxing agent. Ground glass [...]

ABSTRACT The conducted research programme was focused on air voids in fibre reinforced SCC. There were used two types of crimped steel fibres. Properties of fresh mix were checked. The [...]

Porosity is a common but serious casting defect. One type of porosity is a result of core gas that has evolved and become trapped in the casting during solidification. To [...]

ABSTRACT It is very important to know the properties of natural stones that are used in building construction in order to determine the specific areas of usage. Among those, water [...]

ABSTRACT This paper focuses on the results of measurements of the thermal conductivity, the vapour diffusivity and the sorption-desorption isotherms of 3 types of wood-based materials. Though disparate and showing [...]