ويركزمعهد بحوثالعامة لليمينغ الصناعة الثقيلةفي مجال البحوث وتطوير التكنولوجيا المتقدمة والمنتجات الموجهة لصالح العملاء، فضلا عن بناءالقدرة التنافسية الجوهريةليجعل يمينغالصناعة الثقيلةرائدةفي هذه الصناعة.من خلال توفيرنتائج البحوثالأساسية، ويدعم المعهديمينغالصناعة الثقيلةالتكنولوجيا والمنتجات لتكون أعلىمنهافي العالمالقائمة.
معهد بحوثالعامة لليمينغ الصناعة الثقيلةهيقسم البحث والتطويرالأوليةللبحوثالتقنيةوالإدارة التقنية. وهي مسؤولة عنتطوير التكنولوجياالمطبقة علىيمينغجميع المنتجات، وإجراء البحوث الفنيةمقدمةعلى المنتجات الجديدةووضعالمعايير؛البحثالاهتزاز، والأثر، والضوضاء، والتكنولوجيا الهيدروليكية، والمطابقة الطاقةوتوفير الطاقة، والمواد الجديدة، وأنظمة التحكم، وخلق تكنولوجياتمبتكرة ومنتجاتحمليوبناءمنصة علىشبكة خاصةوعامةللتجاربوالاختباراتوذلك لتبادل التجربةالعامة ونتائج الاختبار.
The key words such as recycled aggregate, recycled aggregate concrete, construction and demolition wastes, mechanical properties of recycled aggregate • Cement cannot be recycled • Demolition concrete is inert • Recycled concrete can be better than virgin aggregates for some applications • Using recycled aggregate reduces The Cement Sustainability Initiative World Business Council for
How recycling concrete could accelerate sustainable construction Talk to Andy Gardner about this perspective Get in touch In the built environment to date, it has been cheaper, quicker and easier to knock things down and In 2006, material tests in Switzerland showed, however, that highquality concrete can be produced even with the use of more than 90% of aggregates made from scrap [1]Is It Possible to Recycle Concrete? ArchDaily
Recycled concrete can even outperform traditional construction, says researcher Results of a new fiveyear study of recycled concrete show that it performs as well, and in several cases even better, Results of a new fiveyear study of recycled concrete show that it performs as well, and in several cases even better, than conventional concrete Recycled concrete could be a sustainable way to keep
The researchers suggest the recycled concrete can be a 100 percent substitute for nonstructural applicationsThis study conducts literature review to obtain an overall understanding of existing application of recycled concrete in China, including composition of C&D waste, An Overview of Existing Application of Recycled Concrete in China
The construction industry must meet current environmental requirements, mostly those pertaining to the reduction in construction and demolition waste and the consumption of raw materials The use of Yes, concrete can, and should, be recycled The fact is that concrete production is responsible for 8% of all CO2 emissions in the entire world Due to its many uses in construction projects, it’s the most Recycling 101: Can Concrete Be Recycled? Pure
The potential use of RCA concretes is in the production of highvalue materials that increase environmental and financial benefits RCA have strong potential in the development of a new generationinhibition properties [56, 57] The use of recycled concrete for new concrete by itself is a big leap towards better sustainability, and new research helps to overcome the current challenges of recycling waste concrete The synergic effect of capturing air pollutants and using recycled concrete as a corrosion inhibitor canRecycling Materials to Transform Construction Industry and
This study summarizes existing studies on plastic recycling to determine whether ocean plastics with high pollution degrees could be used for cementbased materials In particular, the methods to recycle plastic waste, the effects of recycled plastic on the physical and mechanical properties of cementbased materials, and their Economic and environmental factors call for increased resource productivity Partial or full replacement of Portland cement by wastes and byproducts, and natural aggregates by construction and demolition wastes, are two prominent routes of achieving circular economy in construction and related industries Municipal solid waste Sustainability Free FullText Properties of Concrete with Recycled
Recycled concrete aggregates produced from all but the poorest quality original concrete can be expected to pass the same tests required of conventional aggregates Recycled concrete aggregates contain not only the original aggregates, but also hydrated cement paste This paste reduces the specific gravity and increases the porosity compared toThe production of plastic material continues to increase around the world Consequently, large amount of waste plastic is generated This will lead to environmental concern due to its disposal In order to reduce the environment effects and cost, waste plastic can be recycled and utilized in other applications including construction This Buildings Free FullText Flexural Behavior of Concrete Beams
The waste produced from readymixed concrete (RMC) industries poses an environmental challenge regarding recycling Three different waste products form RMC plants were investigated for use as recycled aggregates in construction applications Crushed hardened concrete from test specimens of at least 40 MPa compressive they are crushed for the purpose of use as recycled aggregate, such as the use of electromagnets to separate metallic parts, for example, common in concrete structures [18] Another study evaluated the use of mixed recycled aggregates in mortars, evaluating the effect of temporal variability in the collection of materials and their Capacity to Develop Recycled Aggregate Concrete in South East
Only 9% of plastic waste is recycled (15% is collected for recycling but 40% of that is disposed of as residues) Another 19% is incinerated, 50% ends up in landfill and 22% evades waste management systems and goes into uncontrolled dumpsites, is burned in open pits or ends up in terrestrial or aquatic environments, especially in poorer countriesWhile concrete recycling is crucial to protecting the environment, its implementation in practice is low in many countries This study aims to highlight challenges to concrete recycling To achieve that aim, the study objectives are (1) to identify the main challenges to concrete recycling in construction projects; (2) to compare the main Main Challenges to Concrete Recycling in Practice MDPI
Concrete contributes 8% of all global carbon emissions, making the need to find substitutes critical for environmental sustainability Research has indicated the potential for recycled plastics to be used as Overview of existing studies for 1) providing an overview of existing research and practices of recycled aggregate concrete; 2) introducing the latest studies of highperformance concrete adopting recycled aggregates from C&D wastes; or 3) evaluating the latest findings of recycled aggregate concrete by achieving waste reuse Special Issue "Recycled Construction & Demolition Waste as Concrete
The concrete industry is a core element of the building sector, but it has to deal with the increasing attention on the environmental issues related to the production process: increasing energy efficiency and the adoption of alternative fuels or raw materials represent the most relevant solutions The present work analyses physical, mechanical, Concrete from a building being sent to a portable crusher This is the first step to recycling concrete Crushing concrete from an airfield Concrete recycling is the use of rubble from demolished concrete structures Recycling is cheaper and more ecological than trucking rubble to a landfill Crushed rubble can be used for road gravel, revetments, retaining Recycling by material
Recycled concrete can have the rebar removed and can be crushed to a specific grading curve in much the same way a natural rock can be, thus creating a pretty controlled aggregate that could theoretically act in the same way as a gravel Technically this can be reused within a new concrete mixConcrete is recycled by using industrial crushing equipment with jaws and large impactors After the concrete is broken up, it is usually run through a secondary impactor and is then screened to remove dirt and particles and to separate the large and small aggregate Additional processes and equipment, such as water flotation, Ways to Recycle and Reuse Concrete LiveAbout
The potential for using recycled aggregates in concrete has increased thanks to the concrete standard BS 8500, also known as Aggregates for concrete (BS EN 12620) Although it is currently not readily available, it is anticipated that the usage of recycled aggregates for concrete will increase over the coming yearsOrdinary cement concrete is a popular material with numerous advantages when compared to other construction materials; however, ordinary concrete is also criticized from the public point of view due to the CO2 emission (during the cement manufacture) and the consumption of natural resources (for the aggregates) In the context of sustainable Materials Free FullText Geopolymer Recycled Aggregate Concrete
