DESIGN RECOMMENDATION FOR STORAGE TANKS AND …

Design recommendation for sloshing phenomena in tanks has been added in this publication. Design spectra for sloshing, spectra for long period range in other words, damping ratios for the sloshing phenomena and pressures by the sloshing on the tank roof have been presented.

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Layout design of reinforced concrete structures using two

May 24, 2012 · Two-material topology optimization with strength failure constraints. We assume the design domain Ω des of a reinforced concrete structure is occupied by either concrete or steel (see Fig. 2).Denoting the concrete region and the steel region by Ω c and Ω s, respectively, it holds that Ω c ∪ Ω s = Ω des and Ω c ∩ Ω s = ∅. To obtain a mathematical description of the structural

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Optimal design of dynamically loaded reinforced concrete

The paper deals with reinforced concrete beams and frames subjected to short-time, high intensity dynamic pressure. The shape and geometry of the structure and the layout of the longitudinal reinforcement are given and the areas of reinforcement are design variables.The determination of the plastic displacements and deformations caused by pressure is based on the plastic hinge theory and …

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Integrated design optimization of base-isolated concrete

Apr 12, 2008 · Base isolation has become a practical control strategy for protecting structures against seismic hazards. Most previous studies on the optimum design of base-isolated structures have been focused on the design optimization of either the base isolation or the superstructure. It is necessary to simultaneously optimize both the base isolation and the superstructure as a whole to seek the most

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Integrated Time History Analysis and Performance-Based

terms of the story drift of the superstructure and the lateral displacement of the isolation system. In the optimal design problem formulation, the cost of the superstructure can be expressed in terms of concrete element sizes while assuming all these elements to be linear elastic under different levels of design earthquakes.

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(PDF) OPTIMAL DESIGN OF PASSIVE ENERGY DISSIPATION …

Oct 07, 2001 · Accurately predicting the residual displacement of reinforced concrete (RC) structures after an earthquake is of great significance in post-earthquake structural performance evaluation and control.

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Performance-based optimal design of compression-yielding

Dec 01, 2010 · If the target displacement ductility is increased to μ Δ = 4, then the length of the CY block needs to be increased to α = 0.13. It is noted that a small value of f b /f c = 0.2 is required for the optimal design of this beam. As the compression zone is much larger in a CY beam compared with that in normal RC beams, its flexural capacity is

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Design Optimization of a Concrete Face Rock-Fill Dam by

Feb 21, 2016 · This paper combined with the adaptive principle to improve the genetic algorithms (GA) and applied it to optimal design of the shape of the concrete face rock-fill dam (CFRD). Based on the improved GA, a mathematical model was established for the design optimization of CFRD. CFRD utilizes dam cost as objective function and dam slope and geometries of the dam material partition as design …

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Optimal Design for the Maximum Load of Three-Point Bending

An optimal design method for the maximum load of three-point bending concrete beam is proposed in this study. The statistics model is built according to the theory of GR resistance curve. With the help of least square method and Matlab® computing platform, the optimal design results are very similar of the experimental results, and thus a new criterion for unstable fracture in crack extension

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Integrated design optimization of base-isolated concrete

Apr 12, 2008 · Base isolation has become a practical control strategy for protecting structures against seismic hazards. Most previous studies on the optimum design of base-isolated structures have been focused on the design optimization of either the base isolation or the superstructure. It is necessary to simultaneously optimize both the base isolation and the superstructure as a whole to seek the most

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Optimization of Concrete Open-Loop Pumping Displacement

The optimization model provides a new method that can be used in engineering practice for solving the design problem of concrete pumping open-loop control system under variable loads. Discover the

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(PDF) Cost Optimum Design of Reinforced Concrete Simply

The majority of the structural optimization applied on reinforced concrete (RC) structures involves heuristic methods such as genetic algorithms, threshold accepting, tabu search, etc. [1, 2, 3, 4].

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Optimal design of magnetically suspended high-speed rotor

High temperature can reduce the compression ratio of the pump. Therefore, decreasing the rotor loss of the motor is a significant aspect in the rotor optimal design due to high vacuum performance. 2.4. Process of the motor design and magnetic bearing design. Main design parameters of the magnetic bearings and motor are shown in Fig. 4.

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Cement & Concrete Hazards In Construction

Clark Concrete Contractors LLC • Self Perform Division of Clark Construction Group • Average 600 field employees topping out at 980 last year –Carpenters –Laborers –Cement Masons –Operators • In 2012, worked 1.7 million man-hours • Poured 340,140 cubic yards of concrete –34,014 concrete trucks full of concrete

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Topology Optimization for Conceptual Design of Reinforced

Design of reinforced concrete structures is governed by the nonlinear behavior of concrete and by its di erent strengths in tension and compression. The purpose of this article is to present a computational procedure for optimal conceptual design of reinforced concrete structures, based on topology optimization with elasto-plastic material

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Dynamics Simulation Analysis and Optimal Design of the

2020 International Conference on Computer Intelligent Systems and Network Remote Control (CISNRC 2020) ISBN: Kefid595-683-1 Dynamics Simulation Analysis and Optimal Design of the Boom System of a Concrete Pump Truck Qingqing Bian, Xuejie Ma, Yingjie Liu, Jiang Su, Hongbo Zheng ABSTRACT

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Design, Modeling and Simulation of an Innovation Pneumatic

Optimal Design of Concrete Pumping Displacement Control p.238 Design, Modeling and Simulation of an Innovation Pneumatic High Speed on-Off Valve Based on Giant Magnetostrictive Material

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Dynamics Simulation Analysis and Optimal Design of the

Positive Displacement Pumps - an overview | ScienceDirect

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Optimization of Concrete Open-Loop Pumping Displacement

In order to control piston stroke effectively, the optimization model of concrete open-loop pumping displacement control parameters is built based on considering the system's open-loop characteristics. Satisfying the physical constraint of preventing piston striking cylinder and maximizing piston's effective stroke are taking as the evaluation criterion during the modeling process.

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(PDF) Optimal Design on Dowel Length for Cement Concrete

Wushan Road, Guangzhou, 510641, China, E-mail: [email protected] 2. Optimal Design on Dowel Length for Cement C oncrete Pavement. Abstract: In order to compute the optimal …

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