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The 200-ton granite crushing and sand making production line solution adopts the overall operating principle of "more crushing and less grinding", and has the characteristics of high efficiency and good finished products.
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On site, only the road surface requires leveling and compacting to establish working conditions, eliminating the necessity for cement foundation leveling and hardening. This significantly reduces the project's construction material costs.
The iron ore is evenly fed by TSW1139 feeder into HJ98 high-efficiency jaw crusher for coarse crushing. After that, the materials would be sent into CS160 cone crusher for secondary crushing.
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WORKABILITY AND COMPRESSIVE STRENGTH PROPERTIES OF CONCRETE CONTAINING RECYCLED CONCRETE AGGREGATE For concretes containing recycled fines workability generally increased with lower replacement level and decreased with higher whereas compressive strength decreased for all levels of cement
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— Djerbi reported similar results claiming that the microstructure of ITZ in the recycled aggregate concrete is influenced by the presaturation water Influence of the moisture states and content of recycled fine aggregate on the workability and compressive strength of concrete J Fuzhou Univ Nat Sci Ed 41 3 2013 pp 385 390 In
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Title Workability and Strength of Ultra High Performance Concrete Containing Nano Ca OH 2 Modified Recycled Fine Aggregates Author s Binbin Zhang Tao Ji Yu Ma Yu Yang and Yantong Hu Publication Materials Journal Volume 119 Issue 5 Appears on pages s 165 174 Keywords nano calcium hydroxide nano CH ; recycled fine aggregate
— Addressing the increasing demand for concrete due to advancements in the construction sector and population growth this research explores the critical intersection of waste management and sustainable construction practices By incorporating recycled coarse aggregate RCA derived from construction and demolition waste into concrete
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— Sustainable reuse of ceramic waste powder as a supplementary cementitious material in recycled aggregate concrete Mechanical properties durability and microstructure assessment with natural aggregate concrete NAC Nevertheless the added adequate amount of compensated water can acquire good workability for RAC
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— Significant construction and demolition waste CDW is produced by many useless concrete buildings bridges airports highways railways industrial mining etc The rising need for new construction has increased the use of natural materials impacting the ecosystem and incurring high costs from mining natural aggregates NA and processing
— The reuse of old concrete as a source of aggregate is a reliable alternative to Natural Aggregate NA in concrete construction Because of poor quality of Recycled Aggregate RA the performance of Recycled Aggregate Concrete RAC is not up to the mark in fresh stage and hardened stage as compared to Natural Aggregate Concrete
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— In this work the effect of physical properties of recycled coarse aggregate RCA on the workability and mechanical properties of recycled aggregate thermal insulation concrete RATIC was studied Two kinds of RCAs from different concrete waste plants were studied and the density water absorption and crushing index of RCAs were analyzed
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— Low calcium fly ash LCFA and ground granulated blast furnace slag GGBS based geopolymer concretes are eco friendly novel concrete to be used as an alternative to traditional OPC concrete Natural resources are used in the production of cement while industrial and demolished concrete wastes such as GGBS LCFA and
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— This work is devoted to the study of fresh and hardened properties of concrete containing recycled gravel Four formulations were studied the concrete of reference and three concretes containing recycled gravel with 30 65 and 100 % replacement ratios All materials were formulated on the basis of S4 class of flowability and a target
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— Aggregate type natural or recycled governs a range of concrete properties water absorption and workability Knowing this there are many recommended mixing methods for maintaining
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— Physical Properties of Coarse Aggregates Gradation Particle size distribution of aggregates significantly affect the packing density and void content in concrete According to Neville [] the gradation of aggregate has the main role in establishing the workability of can influence workability segregation bleeding
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— Except for Control concrete natural fine aggregate was replaced by recycled fine aggregate at a rate of 0% 15% 30% or 50% while natural coarse aggregate was completely replaced by recycled
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— The global construction industry is increasingly utilizing concrete prepared from recycled aggregate as a substitute for natural aggregate However the subpar performance of recycled fine aggregate RFA has resulted in its underutilization particularly in the structural concrete exposed to challenging environments including those involving
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— However the inferior properties of recycled aggregate concrete are a big hurdle in replacing the natural aggregates with recycled aggregates Currently the structural applications of recycled aggregate concrete are quite limited No prominent effect of impurities was observed on the workability of concrete Dhir et al 2001 also
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— Since recycled aggregate offers an alternative to conventional natural concrete its potential to contribute to a sustainable future has been examined through experimental activity
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— Literature review on the fresh properties of recycled aggregate concrete RAC • Workability stability heat of hydration air content and density were analysed • Control over the recycled aggregates manufacture is key to obtain high quality RAC • Predictable properties are achieved by adding adequate amount of compensating water
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— Strength and Workability Evaluation of Recycled Aggregate Concrete using Black Sand Mohy S Fattouh Department of Civil Engineering Faculty of Engineering Sinai University El Arish North Sinai Egypt Email Abstract Recycling concrete RC has emerged as an increasingly prominent subject of research on a global
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— Natural disasters and human demolition create vast amounts of construction and demolition waste CDW with a substantial portion being concrete waste Managing this concrete waste is a daunting challenge for developing countries with limited resources aiming to mitigate its harmful environmental effects Therefore the proposed
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Title Workability and Strength of Ultra High Performance Concrete Containing Nano Ca OH 2 Modified Recycled Fine Aggregates Author s Binbin Zhang Tao Ji Yu Ma Yu Yang and Yantong Hu Publication Materials Journal Volume 119 Issue 5 Appears on pages s 165 174 Keywords nano calcium hydroxide nano CH ; recycled fine aggregate
— Sustainable reuse of ceramic waste powder as a supplementary cementitious material in recycled aggregate concrete Mechanical properties durability and microstructure assessment with natural aggregate concrete NAC Nevertheless the added adequate amount of compensated water can acquire good workability for RAC
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— A slump test was performed to assess the workability of concrete its values are provided in Table 4 and Figure 4 From the slump test result it was revealed that the inclusion of discarded carbon fibers reduces slump and hence reducing the concrete workability • The experimental study revealed that recycled concrete aggregate has a
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— A water reducing admixture was used to increase the workability of concrete while using lower water cement ratios It was a naphthalene sulphonate based admixture with a dark brown appearance Mechanical properties of recycled aggregate concrete containing crumb rubber and polypropylene fiber Construct Build Mater 225
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Title Workability and Strength of Ultra High Performance Concrete Containing Nano Ca OH 2 Modified Recycled Fine Aggregates Author s Binbin Zhang Tao Ji Yu Ma Yu Yang and Yantong Hu Publication Materials Journal Volume 119 Issue 5 Appears on pages s 165 174 Keywords nano calcium hydroxide nano CH ; recycled fine aggregate
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— The compressive strength of recycled concrete FAR concrete with Vikas Srivastava y Civil Engg Department SHIATS formerly AAI DU Demolition Waste in Concrete 4235 10% fine aggregate
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— Studies by Awoyera et al 2016 and Thomas et al 2013 investigated the performance of concrete produced with steel slag and copper tailing as aggregate respectively while Siddique et al 2008 and Meng et al 2018 in their studies explored the use of recycled waste plastic and various waste types in concrete and concrete blocks
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This study examined how concrete workability and flexural strength are affected by steel fibers and recycled aggregates Steel fibers were used in doses between 1 5% with an increment of % and 50% of the natural coarse aggregates were replaced by recycled Two mixes of conventional and recycled aggregate concrete without steel fibers were
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