نتایج جستجو برای: durability

تعداد نتایج: 15435  

ژورنال: علوم آب و خاک 2011
رضا خدادادی, , جهانگیر عابدی کوپایی, , سید سعید اسلامیان, , سید علیرضا گوهری, ,

Channel lining is essential to increase resistance against scour, reducing water losses and as a result increase water conveyance efficiency. Since the canal lining has significant costs, selection of type of lining must be made with great care and with considering engineering properties. One of the conventional lining for water conveyance cannel is concrete lining. Because of advantages of con...

2014
E. Tziviloglou H. M. Jonkers E. Schlangen

Concrete is a remarkable structural material that has been widely used in the modern age. Nevertheless, natural causes that affect durability and consequently service life of concrete are related with surface damage and cracking of the material. Cracks can influence functionality for liquid retaining structures and can also decrease durability due ingress of water and ions towards steel reinfor...

Journal: :IEEE Trans. Contr. Sys. Techn. 2001
Michael S. Holmes Asok Ray

This paper presents the architecture and synthesis of a damage-mitigating control system where the objective is to achieve high performance with increased reliability, availability, component durability, and maintainability. The proposed control system has a two-tier structure. In the lower tier, a linear robust sampled-data controller tracks a reference trajectory vector while the upper tier c...

2018
Michael A. Sevilla Ivo Jimenez Noah Watkins Jeff LeFevre Peter Alvaro Shel Finkelstein Patrick Donnelly Carlos Maltzahn

HPC and data center scale application developers are abandoning POSIX IO because file system metadata synchronization and serialization overheads of providing strong consistency and durability are too costly – and often unnecessary – for their applications. Unfortunately, designing file systems with weaker consistency or durability semantics excludes applications that rely on stronger guarantee...

2010
Dirk van der Linden Hanno Wupper

This thesis explores using a systemic view on software engineering to analyze its high failure rate. With the growing amount of bugs, and (emergent) misbehavior in software nowadays, it would pay to analyze the way in which we make this software first. Durability is proposed as a key property of development systems as a measurable indication of a system’s ability to prevent failure. Research in...

Journal: :Kybernetika 1989
Viorel Gh. Voda

In this paper a new class of distribution functions is introduced as a model for time to failure in tool durability testing. The distribution has been called "Pseudo-Weibull". Some inferences on its properties are presented and a peculiar case is extensively investigated.

2015

This paper reports the results of tests on Indiana gravels ranging from good to poor in field performance in Portland cement concrete. The gravels were separated by heavy liquid flotation into various specific gravity ranges. The gravel fractions thus obtained were tested to deter­ mine absorption, specific gravity, degree of saturation, lithologic compo­ sition and durability in air entrained ...

2015
S. N. Alekseev

Provision of reliability of structures is an important issue at the designing stage. One of reliability aspects is durability. In order to estimate the durability of reinforced concrete it is required to apply standard procedure of calculation which, according to SNIP Regulations 2.03.11-85 Protection of Engineering Structures against Corrosion, can be implemented with the use of means of prima...

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