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open access. Abstract. This paper aims to evaluate the forms of concrete waste generation in concrete batching plants (CBP) in the metropolitan region of Belo Horizonte, Brazil, and focusing on the reuse of this waste in the productive sector of the
The application of this procedure in a block plant of the south of Brazil led to satisfactory results showing that is possible to forecast of the mechanical resistance of
AAC project in southern Brazil also successful with. remote processing - an intermediate report. Figure: Celucon. The company Celulcon is a renowned producer of autoclaved
Xiaobo Zhang, Zhongxu Feng Shimin Yang. 418 Accesses. 1 Citation. Explore all metrics. Abstract. The mixing process has a significant effect on the
This work presents cradle-to-gate impact results for ready-mix concrete production, based on primary data provided by several plants in Brazil, and the
This work presents cradle-to-gate impact results for ready-mix concrete production, based on primary data provided by several plants in Brazil, and the
Abstract. In Brazil, ready-mixed concrete (RMC) suppliers are adopting management strategies to reduce waste generation. This is because of the increasing
This work presents cradle-to-gate impact results for ready-mix concrete production, based on primary data provided by several plants in Brazil, and the associated variability among plants and in the upstream processes of cement and sand production. Four compressive strength classes are
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The main issue faced in hand mixing is the addition of too much water that required. This must be avoided. The workers carrying out the concrete mixing are asked to use masks so as not to inhale the powder, which can cause serious issues as time passes. For inside concrete works, avoid the hand mixing procedure in the outside or direct
Brazil: Votorantim Cimentos has made progress in reducing its carbon footprint, reporting embodied CO₂ emissions of 556kg/t of cement produced in 2023, a 4% year-on-year decrease.The company aims to reach a target of 475kg of CO₂/t by 2030, aligning with the Science Based Target initiative standards. The company\'s
The process of mixing concrete becomes more difficult after water is added. This mixture is then spread out to a thickness of 200 mm and sprinkled with water. The mixture is continually turned over until a consistent colour is produced. Because hand mixing cannot be comprehensive, it is preferable to add some additional cement (10%)
Coarse aggregate fraction = 0.558 +.01 =.568 Volume of fine aggregate = 1 – 0.568 = 0.432 Mass of coarse aggregate = 0.660 x 0.568 x 2.84 x 1000 = 1064.65 kg/m 3 Mass of fine aggregate = 0.660 x 0.432 x 2.64 x 1000 = 752.71 kg/m 3. Concrete mix design is required to achieve target strength in structures. Concrete Mix design calculation of M20
Place the cement on top of the pile of sand and stone. Shovel the material in the pile to one side, creating a new pile and repeat three times. Make a deep crater in the pile and add water. Fold the mix in from the sides. Continue to fold inwards and \"chop\" the pile to distribute water through the
A constant ratio and superplasticiser content was maintained throughout all concrete mix designs. As shown in Figure 4, the authors found that the measured slump decreased as the MK content increased. This indicates that the workability of the concrete mix is reduced when the percentage replacement of Portland cement with metakaolin
Brazil cement production; therefore, water released in this activity was not accounted. planetary concrete mixers were included, which reduces cement consumption since the mixing process is
