1.
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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 [...]
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By calcination and dehydration of paper sludge, which is a by-product of recycled paper waste, a non toxic mineral with a highly pozzolanic activity is formed. Besides th [...]
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As disposal and treatment of industrial wastes are often costly and hazardous for the environment, its use in concrete mixing can lead to a greener solution to environmen [...]
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A large number of existing reinforced concrete slab bridges are found to be insufficient for shear when calculated according to the governing codes. Seeking improved meth [...]
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Cracking behavior of lime mortar renders subjected to shrinkage is numerically investigated by the finite element method (FEM). The render materials selected for the stud [...]
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6.
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Cold recycling techniques continue to become standard technology used for Czech roads rehabilitation, which has been presented during the last years in several papers inc [...]
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Wood is very complicated structural material. Is strongly anisotropic, has many material characteristics which are very variable. This matter of a fact in generally doesn [...]
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The paper deals with the study of dominant frequencies of an Impact-Echo method response signal obtained from a reinforced concrete beam with a steel rod diameter of 6mm. [...]
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10.
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Křepela, O.
In the year 2004 the company ŽĆAS, a.s. has introduced on the market additional equipment for hydraulic shears CNS 320 K and CNS 400 K. Internal hopper is intended for [...]
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11.
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Naď, M.
The existence of a crack in a structural member introduces local modification of flexibility and consequently affects the dynamic behaviour of the cracked member. In this [...]
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12.
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Sobotka, J.
The classical mathematical model of beam-columns contains derivatives of functions for the bending moment, the shear force, the axial force, the slope, and the deflection [...]
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13.
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Koudelka, P.
The Institute of Theoretical and Applied Mechanics gathers long time (from 1997) identification data and shear resistance data of soils into a database. The database make [...]
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14.
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This study aims to clarify the amount of CO2 fixation in demolished concrete under different exposure conditions, and in addition, it aims at computing the LCCO2 (Life Cy [...]
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15.
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High quality recycling aggregate nearly same with virgin aggregate has been passionately developing in the recent years due to the establishment of the low emission socie [...]
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16.
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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 [...]
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This paper examines the influence of reinforcement steel elemental composition and surface condition (polished and unpolished) on the corrosion rate of reinforced concret [...]
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18.
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Laboratory test on effects of porous concrete to water quality improvement in artificial sewage water was performed. In-situ test using water channel confirmed the purify [...]
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19.
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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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20.
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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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21.
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In this study, advanced greyscale imaging analysis was conducted using the Adobe Photoshop 6 on the surfaces of masonry stones, taken from listed historic buildings, to a [...]
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22.
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A new technology is presented for transforming returned concrete into a granular material that can be reused as aggregates for concrete. The new method is based on non-to [...]
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23.
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Iron-welding slag is one of industrial wastes discharged in large quantities from shipyards. This study aimed at proposing an idea of utilizing the iron-welding slag as a [...]
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24.
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Kabeláč, J.
In this paper a method for determination of shear stress distribution over arbitrary cross section is described. Cross section is loaded by any combination of shear and t [...]
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25.
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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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26.
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The construction sector is among the most resource- and energy-consuming industrial activities. Particularly, according to recent surveys, the emissions of greenhouse gas [...]
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27.
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SASTURKAR, Pandurang. J.
This paper reports test results of 25 grossly under reinforced relatively large size simply supported tapered concrete beams subjected to flexural effects up to failure. [...]
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28.
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Concrete is represented as a two-phase material in this paper. Behaviour of a crack with its tip on the interface between two different materials - hardened cement paste [...]
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29.
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Sobotka, J.
This article presents Ph.D. thesis dealing with applications of generalized functions (distributions) to analytical calculations of thin-walled beams with discontinuities [...]
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30.
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Flow behavior of coarse-grained slurry depends generally on particle size, shape, density and concentration. The present paper describes the results of experimental inves [...]
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31.
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This study investigated the influence of the molten slag as fine aggregates of concrete on the structural performance of RC beams. In the loading test, the mechanical res [...]
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32.
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In this study, an attempt was made to reduce the amount of longitudinal and shear rebars in the beam-column joints by partially replacing steel rebars with steel fibers s [...]
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Self compacting concrete (SCC) is a very fluid concrete that is characterized by its high volume of paste, and the use of superplasticizer. The effects of recycled aggreg [...]
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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 [...]
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35.
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An entire concrete waste reuse model for producing recycled aggregate class H concrete was established with the objective of recycling concrete waste generated during ant [...]
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36.
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An experimental program has been carried out on recycled concrete with the aim of establishing the relation between the static modulus of elasticity Es and the dynamic on [...]
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37.
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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 [...]
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38.
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Argentina has an heritage of masonry construction of walls and floors of both collective and individual homes. These pieces, called bricks, ceramic blocks, ceramic mezzan [...]
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39.
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In order to promote the use of recycled aggregate and take measure to the heat island effect, porous pervious concrete is the useful materials. We evaluated the cooling e [...]
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40.
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An experimental investigation was conducted to study the shear strength of full-scale beams constructed with both high-volume fly ash concrete (HVFAC) – concrete with a [...]
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41.
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Fiber Reinforced Concrete (FRC) can improve not only mechanical properties but also durability due to reduced crack width by fiber bridging effect. From the view point of [...]
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42.
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Application of the recycled aggregate is a promising technology for resource saving and low environmental impacts, which is more effectively performed when recycled fine [...]
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43.
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A qualitative analysis of influence of cross-flow shear on its interaction with a jet emanating perpendicularly from the wall is presented. The linear shear flow was gene [...]
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44.
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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 [...]
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45.
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For high fluidity concrete beams with medium-quality recycled coarse aggregate and melt-solidified slag aggregate, we investigated the fresh concrete properties and the b [...]
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46.
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Waste concrete accounts for a substantial fraction of construction waste, and the recycling of waste concrete as concrete aggregate for construction is an important chall [...]
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47.
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The shear-friction behavior of the recycled aggregate concrete (RAC) compared to the natural aggregate concrete (NAC) is investigated. Two out of six concrete specimens w [...]
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48.
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This study evaluates the size effect in the shear performance of reinforce concrete beams with recycled coarse aggregates. The test variables include the type of aggregat [...]
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