نتایج جستجو برای: cable trench problem

تعداد نتایج: 894475  

This research suggests a novel method to use steel cables as a structural bracing system. The Moment Resisting Frame (MRF) works in tandem with the cable bracings when this method is used. The suggested bracing model can address the fundamental problem of current cable bracing methods, namely the lack of flexibility while keeping costs to a minimum. This approach requires no additional equipmen...

Journal: :تحقیقات آب و خاک ایران 0
سید محمد علی زمردیان دانشیار دانشگاه شیراز مجتبی عقلی دانشجوی کارشناسی ارشد، دانشگاه شیراز

a large number of authors have studied to find out how to control scouring around a pier along direct stream. the objective of this research is then to study a scour pattern around such piers on curves rivers due to the fact that there may be a difference between a flow pattern on a direct line and the meander. thus, this study tries to check whether the use of cable and collar alone and in a c...

2000
Shijie Zhong Ann Arbor Michael Gurnis

A finite element method with constrained elements and Lagrange multipliers is used to study tectonic faults in a viscous medium. A fault, representing the interface between overriding and subducting plates, has been incorporated into a viscous flow model of a subduction zone in which both thermal buoyancy and the buoyancy associated with the phase change from olivine to spinel are included. The...

Journal: :Applied sciences 2023

With the wide application of power cables in field transmission and distribution increasing emphasis departments on reliability, safety stability cable operation, how to more accurately quickly analyze temperature evaluate running state have become research hotspots. Through combination finite element calculation artificial intelligence method, an innovative method digital twin prediction based...

Journal: :Solid Earth 2021

Abstract. We demonstrate the capability of distributed acoustic sensing (DAS) to record volcano-related dynamic strain at Etna (Italy). In summer 2019, we gathered DAS measurements from a 1.5 km long fibre in shallow trench and seismic records conventional dense array comprised 26 broadband sensors that was deployed Piano delle Concazze close summit area. activity during acquisition period give...

2010
Jason J. Sharples A. Malcolm Gill John W. Dold

Fire eruption (also known as ‘blow-up’ or ‘flare-up’) is a very dangerous aspect of wildland fire behaviour. It poses a significant threat to the safety of wildland fire-fighters and complicates the broader problem of wildfire risk management in complex terrain. Despite the seriousness of eruptive fire events, operational wildland fire spread models generally do not account for the possibility ...

Journal: :international journal of advanced design and manufacturing technology 0
moharam habibnejad korayem iust a. tajik h. tourajizadeh

in this paper, a new approach to modify cable tension measuring mechanism is described; furthermore, the constructed boards which amplify load cell output are introduced. this approach has some advantages including of providing feedback for motors, evaluating the robot’s ultimate load carrying capacity, improving the motor control system and estimating the vibrating deflections of the end effec...

Journal: :SIAM Journal on Optimization 2001
F. Sibel Salman Joseph Cheriyan R. Ravi S. Subramanian

We initiate the algorithmic study of an important but NP hard problem that arises commonly in network design The input consists of An undirected graph with one sink node and multiple source nodes a speci ed length for each edge and a speci ed demand demv for each source node v A small set of cable types where each cable type is speci ed by its capacity and its cost per unit length The cost per ...

The load transfer mechanisms of cable bolts differ from those for normal rebar bolts. The cable bolts used in mines are basically steel strands with different constructions depending on the number of wires or elements and the way they are laid. Tendon bolts (rebar and cable) are normally evaluated for their strength and load transfer properties. The tendon strength can be evaluated by the tensi...

Every phone company customer in a given region receives phone services from a switching center through intermediate points called kavos. The problem addressed in this paper is where to locate this central facility and the kavos, how many of them and with what capacity, so that the total cable length is minimized. This problem can be formulated as a 0-1 mixed integer program; However, because of...

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