The present paper is directed towards development of statistical models for the evaluation of efficiency factors of fly ash so that its contribution on concrete strength [...]

In Japan, it is expected to use much the recycled aggregates for concrete because concrete wastes have been increasing but natural aggregate resources have been decreasin [...]

Current loads from cement production make material responsible for 5-7% of CO2 emissions with more than 2x109 ton of CO2 emitted. Considering available industrial product [...]

Recently, blended cement is needed in order to lower the energy consumption and CO 2 emission from cement industries. On the other hand, waste management and environmenta [...]

An experimental investigation is carried out to study the effect of variation in sodium silicate to sodium hydroxide in the geopolymer concrete. Oven dry curing method is [...]

It is a fact well known that the active additions improves the mechanical as well as de durability of concrete structures. Usually the materials are tested in laboratory [...]

Fracture energy tests were carried out on Portland blast furnace cement-type B (BB) concrete where as an internal curing material, partial replacement of course aggregate [...]

Though discussed a lot, the interfacial transition zone (ITZ), the linking phase between aggregate and bulk paste, still undertakes ambiguity on its knowledge. In this pa [...]

Compared with the study on high-quality of recycled coarse aggregate, the study on recycling of recycled fine aggregate still has been limited. This study has quantitativ [...]

Natural or Roman cements were the first modern cements to be industrially produced at the beginning of the 19th century in Europe. Used equally by engineers for their hyd [...]

Natural hydraulic lime specifications changed with the new version of standard EN 459-1: 2010 and a new Portuguese NHL3.5 appeared in the market. The characteristics of m [...]

Natural hydraulic lime specifications changed with the new version of standard EN 459-1: 2010 and a new Portuguese NHL3.5 appeared in the market. The characteristics of m [...]

It is currently widely accepted that lime, rather than Portland cement (PC), should be used for the repair of historic fabrics as most historic mortars were lime based an [...]

Gypsum was widely used in the production of composite materials in Cyprus in the past, due to its abundance on the island. However, the study of local historic gypsum mor [...]

In the centre and south of Portugal construction of buildings with earth was frequent until the mid-20th Century. Rammed earth was the most common type of construction in [...]

The definition of the composition, the technological process and, last but not least, the provenance of the raw materials of historical mortars is still difficult and uns [...]

In building conservation practice, there is some difficulty in formulating compatible mortars for use in renders and joints, due to requisites of low elastic modulus, suf [...]

Lime–based mortars of adequate workability are used for repairing coating mortars on old masonry in historical buildings. The analysis of a great number of old plasters [...]

The diffusion of the fluid particles is one of the important fundamental problems of the research of transitional and turbulent flows. This phenomena is of great importan [...]

Porous ceramic aggregate produced from roof tile waste was used as an internal curing agent. The aim of this study is to investigate the effect of the porous ceramic aggr [...]

Key green policies of Korea, such as Low Carbon Green Growth, Target Management, and Emission Trading, are first introduced. Recent efforts to systematically develop envi [...]

This study aims to investigate the effect of sulfate salts to the deterioration mechanism and patterns observed in hydraulic mortars. Natural hydraulic lime (NHL) and lim [...]

The widespread adoption of alternative binders are playing an increasing role in carbon dioxide (CO 2) abatement in green construction and the repair of traditionally bui [...]

The present study deals with the use of calcareous diatomites, a naturally occurring amorphous silica- and calcite-rich raw material, for the production of C2S-rich clink [...]

Linseed oil was one of the most common natural organic additives used in ancient times. Nevertheless the mechanism and the technology, e.g. effects of different dosages, [...]

This study investigates performance of slag as an alternative cementitious binder against ordinary Portland cement (OPC), fly ash (FA) and palm oil fuel ash (POFA). To ac [...]

An experimental investigation was conducted to study both the mechanical and durability performance of various specimens constructed with both high-volume fly ash concret [...]

The quality of repointing work in historic masonry is to an important degree determined by the composition of the repair mortar. Apart from this good workmanship is a bas [...]

A new fast-setting cement, called Roman cement, appeared recently in the market. To identify the possibilities of using it in the field of cultural heritage, it is import [...]

The effective design of a mortar for repairing masonry depends on a clear understanding of its function within masonry. The functions of mortar materials in masonry are c [...]

In order to reduce the amount of CO2 gas in cement industry, the use of blended cement is valid. Share of blended cement in Japan, has not changed over last 10 years. One [...]

The study aims at using Shirasu, which is a pyroclastic flow deposit like volcanic ash, as one of the binders in mortar or concrete. It is one of the unused natural resou [...]

Concrete is one of the most commonly used among construction materials. Generally, concrete is produced by using Ordinary Portland Cement (OPC) as binder and it contribut [...]

Ancient mortars have proved to be durable and reliable materials even when submitted to severe conditions of salts and high humidity. This study intends to contribute to [...]

Packing density is considered one of the most influential factors in fresh performances of mortar and concrete. There exist standardised methods for its determination, bo [...]

Properties of concrete using newly developed high slag cement which includes over 60% ground granulated blast-furnace slag was studied. It is known that conventional high [...]

THE FEASIBILITY OF USING CEM X, A TYPE OF CEMENT, FORMED BY ORDINARY PORTLAND CEMENT (OPC) PLUS TWO DIFFERENT MINERAL ADDITIONS WAS STUDIED AS AN ALTERNATIVE TO CONVENTIO [...]

The Public Works Research Institute has initiated a collaborative research project with the goal of developing a guideline for effective use of supplementary cementing ma [...]

Lime-pozzolan mortars are often used for the restoration of historical buildings. Several studies have been developed in regards to the use of waste in construction mater [...]

Low calcium fly ash-based geopolymer (LCFG) concrete binder, which results from the reaction of a source material rich in silica & alumina (low calcium fly ash) and a [...]

Frost is one of the main degradation processes affecting historic buildings in cold environments. Lime mortar is particularly sensitive to degradation by freeze-thaw cycl [...]

This work deals with the effect of the nanosilica addition on the performance of aerial lime mortars. Several lime mortars were prepared and modified upon the addition of [...]

Fluid, lime-based grouts for the conservation of historic buildings have been mentioned infrequently in the literature, and with relatively few details of the experimenta [...]

The contribution focuses on microscopic techniques for use in the identification and characterisation of historic mortars, with the assumption that the key information to [...]

Green concretes containing low amounts of Portland cement clinker were developed to reduce the environmental impact such as the global warming potential of concrete struc [...]

In the traditional mix proportion of anti-washout underwater concrete, the unit content of water and cement were much larger than that of normal concrete. The authors stu [...]

Use of ultra high strength concrete (UHSC) is effective in improving durability of concrete structures which should lead to establishment of sustainable society. However, [...]

The purpose of this study is to evaluate the behaviour of lime mortars in cold climates, namely by the effect of freeze/thaw cycles. Twelve compositions of mortars were p [...]

Grouting of historical masonries has been a widely used technique for regaining their integrity or strengthening them. Since cement-based grouts proved very strong and in [...]

In this study, optimum combinations of the replacement ratios of fly ash (FA) and ground granulated blast-furnace slag (BS) with cement were examined from the aspect of p [...]

In this paper, effect of cement type and expansive additive content on resistance to both drying shrinkage cracking and thermal cracking of concrete using fly ash and gro [...]

For high durability and strength, decreasing of the water to binder ratio of cement is needed by using of fly ash, blast furnace slag as mineral admixture. And it is poin [...]

There are many ways to reduce the carbon footprint of concrete including reduction in its Portland cement clinker content by methods including: (a) optimization of total [...]

The use of lime for the construction of buildings and monuments has a long tradition. Therefore, limebased materials are also predominantly used and often even required i [...]

The properties of concrete with high amount of the mineral admixtures with a few carbon footprint other than cement were showed. The experiment examines the influence tha [...]