نتایج جستجو برای: silica fume lsf mixture
تعداد نتایج: 131523 فیلتر نتایج به سال:
This work presents the effect of room temperature vulcanized (RTV) silicone rubber coating on cap and pin type porcelain insulator under ac (50Hz) flashover voltage (KV). Describes experimental results obtained for improvement of porcelain insulator removed from 33kV overhead transmission line at Aswan, Egypt after 28 years of service. Also, this study briefly surveys the environmental contamin...
Load-bearing light gauge steel framed (LSF) wall is one of the main structural elements in cold-formed (CFS) buildings. When cavity insulation used to enhance energy performance LSF walls, their adequacy based fire resistance levels (FRL) decrease considerably. Hence, new materials and/or different configurations are considered. This research study investigated use silica aerogel fibreglass bla...
Abstract In this exploratory research, PET fibre and silica fume were practised for the intensification of commonplace concrete. was at dissimilar proportions 0%, 0.25%, 0.50%, 0.75%, 1.0%, 1.25% & 1.50%, while 2.5%, 5.0%, 7.5%, 10.0%, 12.5% 15.0%. practising research work in efficient manner purest form both kinds constituents purchased from India-Mart physical chemical composition details...
Abstract Polycarboxylate superplasticizer is typically used to prepare a high-quality graphene oxide (GO) solution before mixing with cement grains. However, even if GO well dispersed in water, they tend re-agglomerate the alkaline hydration environment, thus seriously decreasing workability of fresh mixture. In this study, we propose more targeted method by synthesizing GO-coated silica fume (...
Voice conversion has been used in many applications. The methods based on vector quantization codebook and Gaussian mixture models need dynamic time warping on parallel sentence corpus for generating mapping functions. Recent study tries to use less training data, and even without parallel sentence corpus. This paper presents a voice conversion method without using parallel sentence corpus. It ...
This work investigates the effects of mixture parameters on slump flow and compressive strength a new type alkali-activated binder-based ultra-high concrete (AAB-UHSC) before after exposure to high temperatures. The innovative UHSC adopts combination sodium silicate (SS) potassium carbonate (PC) as activator. Compared with alkali hydroxide that is currently used in existing AAB-UHSC, salts are ...
Setiap bangunan terdiri atas bagian-bagian yang memiliki fungsi tertentu, tidak terkecuali juga balok beton. Elemen satu ini sangat berguna untuk menyangga lantai terletak di atasnya. Tidak hanya itu, ternyata peran sebagai penyalur momen menuju ke bagian kolom pada sedang dibuat. Perkuatan struktur beton menggunakan mutu tinggi (High Strength Concrete) dengan komposisi campuran yaitu semen, si...
In the present study phase transformation of silicon and silica during milling in different atmospheres was investigated. The silicon powder was subjected to high energy ball milling in ammonia (25%) atmosphere. The milled powder was subsequently annealed at 1200 ◦C for 1 hour. In another test a mixture of AlN and amorphous silica (micro silica) was subjected to high energy ball milling. The m...
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