نتایج جستجو برای: autonomous healing

تعداد نتایج: 135753  

2013
Kim Van Tittelboom Nele De Belie

Concrete is very sensitive to crack formation. As wide cracks endanger the durability, repair may be required. However, these repair works raise the life-cycle cost of concrete as they are labor intensive and because the structure becomes in disuse during repair. In 1994, C. Dry was the first who proposed the intentional introduction of self-healing properties in concrete. In the following year...

Journal: :IEEE communications standards magazine 2022

The network management automation problem in 5G systems has been gaining attention from standardization organizations and researchers. current age of agile dynamic cloud-based environments demands autonomous for managing resources. Operators aim to optimize the resources achieve minimalism with efficiency. Autonomousity networks is next leap evolution that capable going beyond capabilities. Wit...

2016
Philip Van den Heede Bjorn Van Belleghem Natalia Alderete Kim Van Tittelboom Nele De Belie

Given their low tensile strength, cement-based materials are very susceptible to cracking. These cracks serve as preferential pathways for corrosion inducing substances. For large concrete infrastructure works, currently available time-consuming manual repair techniques are not always an option. Often, one simply cannot reach the damaged areas and when making those areas accessible anyway (e.g....

Journal: :MATEC web of conferences 2023

The demand for more sustainable building materials has led to the development of systems with self-repairing properties. self-healing technology been shown be effective in concrete and mortars, however, this is not often studied grouts. Cementitious can show an autogenous healing, i.e., intrinsic ability repair microcracks by themselves. This type healing improved addition crystalline admixture...

Journal: :international journal of foreign language teaching and research 0
neda abdipoor department of english language, kurdistan science and research branch, islamic azad university, sanandaj, iran hamid gholami department of applied linguistics, college of humanities, kermanshah branch, islamic azad university, kermanshah, iran

abstract the present study aimed at discovering the practices and strategies autonomous efl learners pursue in their endeavor to master english. it thus set out in the iranian context, with 60 efl learners, both autonomous and non-autonomous, as participants. the gathered data through a questionnaire and an interview were subjected to content and descriptive analysis. the results showed that bo...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده علوم 1391

in this thesis, we consider a mathematical model of cancer with completely unknown parameters. we study the stability of critical points which are biologically admissible. then we consider a control on the system and introduce situations at which solutions are attracted to critical points and so the cancer disease has auto healing. the lyapunov stability method is used for estimating the un...

Journal: : 2021

An approach to determining the bandwidth of self-healing segment data network is proposed. The subject study are autonomous segments telecommunications network, which have property self-healing. object research process information transfer between nodes an segment. scientific novelty improve method capacity with limited resources by applying criterion ensuring minimum time delivery at a given l...

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