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The need to formulate mortar compositions with adequate durability and compatibility is nowadays one of the major challenges in historical buildings repair. The incorpora [...]
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Consolidation is a conservation treatment with good potential to be applied to ancient renders, provided that the alterations in the properties of the original mortars re [...]
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3.
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Various binding materials have been used worldwide, across different pre-historic and historic periods, to meet several construction applications. Lime has historically b [...]
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The method of free hexagons belongs to discrete element methods. There are plenty of advantages in comparison with other numerical approaches: the hexagons can cover the [...]
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The physical model of two cylinder hydraulic damper is composed from several groups of equations, which describe: a) the dynamic equilibrium of the forces loading the val [...]
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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 [...]
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This paper reports on an experimental program investigating the durability and mechanical properties of alkali activated slag concrete (AASC). The AASC was prepared using [...]
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8.
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NOBATA, Kenji
The manufacture of cement entails impacts in the form of resource and energy use along with GHG generation. BF slag lends itself to reducing such impacts. Studies have in [...]
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9.
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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 [...]
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This paper aims at improving the quality of lime mortar masonry by understanding the mechanics of mortars and masonry and their interactions. It investigates how the mort [...]
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A workpiece manipulation assembly includes two main parts. A base is permanently connected to a spindle. A pallet is manipulated of a rotary manipulation table from worki [...]
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12.
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Ground Granulated Slag, from Blast furnace has been in use in Concrete as partial replacement of cement since a century. Benefits of this hydraulic material are well know [...]
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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 [...]
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14.
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The main results of a large research project undertaken in order to validate the composition of new ternary cements containing Portland clinker, limestone filler and slag [...]
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15.
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Standard mortars (sand:cement = 3:1 and w/c = 0.50) were made where Portland cement was replaced with 0, 20, 35, 50 and 65 vol% calcined marl. The compressive and flexura [...]
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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 [...]
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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 [...]
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18.
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Earth constructions are susceptible to degradation due to natural or human causes. The degradation of the exterior surface of earth walls is very common, either due to la [...]
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19.
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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 [...]
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20.
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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 [...]
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21.
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The contribution focuses on microscopic techniques for use in the identification and characterisation of historic mortars, with the assumption that the key information to [...]
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22.
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Natural hydraulic limes were used in ancient times and are still produced nowadays. A comparison of the chemistry and mineralogy of currently available NHL2 and NHL5 lime [...]
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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 [...]
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24.
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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 [...]
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25.
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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 [...]
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26.
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Currently, the precast industry represents 20% of concrete production around the world and the use of steam curing to accelerate hydration has been adopted as one of the [...]
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27.
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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 [...]
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28.
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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 [...]
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29.
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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 [...]
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30.
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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 [...]
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31.
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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 [...]
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32.
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A small scale lime kiln was designed and built in order to evaluate production of historic lime binders. The kiln does not copy any specific historic model. It is designe [...]
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33.
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Lime is the most commonly used binder for the preparation of mortars for restoration purposes. In the near future the reviewed EN 459 will standardise a new group of lime [...]
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