Academic Journal
Effects of carbon nanotubes on expanded glass and silica aerogel based lightweight concrete
| العنوان: | Effects of carbon nanotubes on expanded glass and silica aerogel based lightweight concrete |
|---|---|
| المؤلفون: | Adhikary, Suman Kumar, Rudžionis, Žymantas, Tučkutė, Simona, Ashish, Deepankar Kumar |
| المصدر: | Scientific reports, London : Nature research, 2021, vol. 11, iss. 1, art. no. 2104, p. 1-11 ; ISSN 2045-2322 |
| سنة النشر: | 2021 |
| المجموعة: | LSRC VL (Lithuanian Social Research Centre Virtual Library) / LSTC VB (Lietuvos socialinių tyrimų centras virtualią biblioteką) |
| مصطلحات موضوعية: | carbon nanotubes, expanded glass, silica aerogel, lightweight concrete |
| الوصف: | This study is aimed to investigate the effect of carbon nanotubes on the properties of lightweight aggregate concrete containing expanded glass and silica aerogel. Combinations of expanded glass (55%) and hydrophobic silica aerogel particles (45%) were used as lightweight aggregates. Carbon nanotubes were sonicated in the water with polycarboxylate superplasticizer by ultrasonication energy for 3 min. Study results show that incorporating multi-wall carbon nanotubes significantly influences the compressive strength and microstructural performance of aerogel based lightweight concrete. The addition of carbon nanotubes gained almost 41% improvement in compressive strength. SEM image of lightweight concrete shows a homogeneous dispersal of carbon nanotubes within the concrete structure. SEM image of the composite shows presence of C-S-H gel surrounding the carbon nanotubes, which confirms the cites of nanotubes for the higher growth of C-S-H gel. Besides, agglomeration of carbon nanotubes and the presence of ettringites was observed in the transition zone between the silica aerogel and cementitious materials. Additionally, flowability, water absorption, microscopy, X-ray powder diffraction, and semi-adiabatic calorimetry results were analyzed in this study. |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | application/pdf |
| اللغة: | English |
| Relation: | http://ktu.oai.elaba.lt/documents/81613608.pdf; http://ktu.lvb.lt/KTU:ELABAPDB81613608&prefLang=en_US |
| الاتاحة: | http://ktu.oai.elaba.lt/documents/81613608.pdf http://ktu.lvb.lt/KTU:ELABAPDB81613608&prefLang=en_US |
| Rights: | info:eu-repo/semantics/openAccess |
| رقم الانضمام: | edsbas.FC41FB60 |
| قاعدة البيانات: | BASE |
| الوصف غير متاح. |