نتایج جستجو برای: سرباره ggbs
تعداد نتایج: 678 فیلتر نتایج به سال:
Abstract In this study, two industrial wastes – circulating fluidized bed combustion co-fired fly ash (CFA) and ground granulated blast-furnace slag (GGBS) were used as green materials instead of cementitious in controllable low strength material (CLSM). CLSM was to backfill the pavement. should meet compressive requirements specification (under 8.24 MPa), it had self-consolidating characterist...
Ground Granulated Blast furnace Slag (GGBS), a waste product from steel plants, can be effectively utilized as pozzolanic material and used partial replacement to cement leading sustainable construction practice. Mortar is usually binding plastering material; hence the chances of exposure damaging environment are high than concrete. GGBS mortar should examined for durability weathering action, ...
Supplementary cementitious materials (SCMs) have been widely used to replace cement in UHPC, which benefits reducing CO2 emissions and declining construction costs. However, the influence of SCMs on dynamic compressive properties Ultra-high performance concrete (UHPC) paste has not well understood. Here, workability, pore structure, quasi-static strength UHPC with different SCM systems are comp...
Fly ash (FA) and ground granulated blast-furnace slag (GGBS) are the most widely used mineral admixtures in engineering. However, their roles concrete under equal strength grade, a common comparison method engineering, were seldom reported. This study investigated chloride ion permeability drying shrinkage of samples containing FA or GGBS an grade. The samples’ strengths slumps maintained same ...
Carbon dioxide (CO2) emissions from cement manufacturing contribute significantly to greenhouse gases. However,cement manufacture is necessary since a vast number of bricks are required satisfy residential housing demand. Considering this crucial environmental impact, encouraged form futuristic civilizations.Cement replacement isideally good propositionto produce green and sustainable sand bric...
تحقیق حاضر مربوط به واکنشهای شیمیایی و فازهای حاصل از نفوذ سرباره با ترکیب متغیر ایجاد شده در تاندیش به درون ساختار متخلخل پلاستر میباشد اکسید پایه در پلاسترهای متداول mgo است که شامل مقادیری از افزودنیها میباشد و سرباره فولاد حاوی اکسیدهایی نظیر mno,al2o,cao,sio2 و مقادیر ناچیزی از tio2,feo, fe میباشد. نتایج پراش پرتو ایکس و مطالعات میکروسکوپ الکترونی روبشی نشان میدهد که سرباره هنگامیکه به درو...
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