نتایج جستجو برای: college bridge

تعداد نتایج: 158435  

ژورنال: علوم آب و خاک 2017

Flood currents are considered threatening factors by creating local scour along bridge piers. One method for decreasing local scour is to strengthen the bed against imposed tensions. Among methods which can directly be appropriate in decreasing and controlling local scour of bridge piers is to employ geotextile around bridge piers. In the present study, the effect of geotextile layer in decreas...

Taguchi L9 orthogonal array was implemented to select optimum values of process parameters and to attain the maximum removal of pollutants and power generation from dairy industry wastewater using double chambered salt bridge microbial fuel cell. The maximum chemical oxygen demand reduction, current, voltage, power, current density and power density in double chambered salt bridge microbial fue...

Journal: :JOURNAL OF THE JAPAN WELDING SOCIETY 2012

Journal: :The Library Quarterly 2021

This theoretical article examines the conceptual premises of research and practice information literacy (IL) in workplace relation to on knowledge creation field management. As with education more generally, IL should prepare students for life after formal schooling ends. How can we make leap, though, from educational context successful participation an information-rich work environment? A herm...

Sonic Echo (SE) testing method is a well-known, versatile method to gather information pertaining to unknown bridge foundations. Many studies on the applicability and methodology improvement of SE tests to evaluate individual piles and foundations supporting the superstructure have been reported previously. However, there is a rare opportunity for obtaining the performance of SE tests without t...

2008
Samriddhi Sankar Ray

We systematise the study of dynamic multiscaling of time-dependent structure functions in different models of passive-scalar and fluid turbulence. We show that, by suitably normalising these structure functions, we can eliminate their dependence on the origin of time at which we start our measurements and that these normalised structure functions yield the same linear bridge relations that rela...

2011
P. C. Ryan

Chloride induced corrosion of steel reinforcement is the main cause of deterioration of reinforced concrete marine structures. This paper investigates the relative performance of alternative repair options with respect to the deterioration of reinforced concrete bridge elements in marine environments. Focus is placed on the initiation phase of reinforcement corrosion. A laboratory study is desc...

Journal: :international journal of advanced structural engineering 2009
catarina fernandes humberto varum

this article presents the seismic vulnerability assessment of the s. joão de loure bridge, inportugal. the single span steel bridge has riveted joints, commonly affected by corrosion,which can lead to a significant stiffness reduction. with the objective of evaluating theinfluence of the joints stiffness in the structural response of the bridge, a structural model ofthe bridge was created, and ...

2004
Anil Agrawal Ping Tan Satish Nagarajaiah Jian Zhang

This paper presents the problem definition of the benchmark structural control problem for the seismically excited highway bridge. The benchmark problem is based on the newly constructed 91/5 highway over-crossing in Southern California. The goal of this effort is to develop a standardized model of a highway bridge using which competing control strategies, including devices, algorithms and sens...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده کشاورزی 1387

آب شستگی پدیده ای است طبیعی که در نتیجه عمل فرسایش بستر توسط جریان آب و حمل مواد جدا شده از آن به وسیله این جریان رخ می دهد. این پدیده باعث فرو ریختن پل ها شده و به خصوص در مواقع سیلاب در اثر وجود جریان های ناپایدار و حرکت اجسام شناور و معلق در آب، باعث صدمه زدن به پایه های پل ها و گرفتگی در مقطع سیلابی و افزایش عمق و سرعت جریان می شود. آب شستگی به سه نوع آب شستگی عمومی، آب شستگی انقباضی (تنگ ش...

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