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Optimum Cost of Prestressed and Reinforced Concrete Beams

Optimum Cost of Prestressed and Reinforced Concrete Beams

Optimum Cost of Prestressed and Reinforced Concrete Beams ...

Optimum Cost of Prestressed and Reinforced Concrete Beams using Genetic Algorithms. This study aims at obtaining the cost of Prestressed Concrete (PC) beams and Reinforced Concrete (RC) beams. These beams are designed according to the requirements of the ACI 318-05 code. The objective function comprised the cost of concrete and the cost of ...

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Optimum Cost of Prestressed and Reinforced Concrete Beams ...

Optimum Cost of Prestressed and Reinforced Concrete Beams using Genetic Algorithms: Mamoun Alqedra, Mohammed Arafa and Mohammed Ismail: Abstract: This study aims at obtaining the cost of Prestressed Concrete (PC) beams and Reinforced Concrete (RC) beams. These beams are designed according to the requirements of the ACI 318-05 code.

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Optimum Cost of Prestressed and Reinforced Concrete Beams ...

Optimum Cost of Prestressed and Reinforced Concrete Beams using Genetic Algorithms Author: Mamoun Alqedra, Mohammed Arafa and Mohammed Ismail Subject: Journal of Artificial Intelligence Keywords: prestressed concrete, structural concrete, cost optimization, Genetic algorithm, RC beams, ACI-Code Created Date: 2/1/2011 1:57:43 PM

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Optimum Cost of Prestressed and Reinforced Concrete Beams ...

The optimum cost for the construction of both reinforced and prestressed concrete beams through GA is proposed by Alqedra et al. (2011), where the discrete variables are applied in this model and ...

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Optimum Cost of Prestressed and Reinforced Concrete Beams ...

Optimum Cost of Prestressed and Reinforced Concrete Beams using Genetic Algorithms. Journal of Artificial Intelligence, 2011. Mamoun Alqedra ... A short summary of this paper. 1 Full PDF related to this paper. READ PAPER. Optimum Cost of Prestressed and Reinforced Concrete Beams using Genetic Algorithms. Download. Optimum Cost of Prestressed ...

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Cost optimization of singly and doubly reinforced concrete ...

Apr 08, 2005  10%  Han SH, Adamu A, Karihaloo BL (1996) Minimum cost design of multispan partially prestressed concrete T beams using DCOC. J Struct Optim 12:75–86. Google Scholar 16. Kanagasundaram S, Karihaloo BL (1991) Minimum cost design of reinforced concrete beams and columns. J Comput Sruct 41(3):509–518. Google Scholar 17.

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Cost estimation of prestressed concrete beam and ...

Jul 28, 2006  (1991). Cost estimation of prestressed concrete beam and reinforced concrete slab construction. Construction Management and Economics: Vol. 9, No. 2, pp. 205-215.

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Genetic algorithm based optimum design of prestressed ...

Optimum design of reinforced concrete is carried out by Leps and Sejnoha (2003) with the ... The objective of the optimization is to minimize the cost of the prestressed concrete beam

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Optimum Design of Partially Prestressed Concrete Beams

The research presents a formulation for optimum design of partially prestressed concrete beams based on elastic analysis. The optimum design is selected to satisfy the limitations of ACI-Code 2014.

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Bridge Economy and Life Cycle Costs of Steel Concrete ...

Case Study Bridges: Other Bridges in MO Superstructure Steel Concrete Bridge Number 061 140 149 152 710 AVG 028 057 069 520 AVG Year Built 2008 2008 2008 2009 2010 AVG 2009 2010 2011 2006 AVG Span Length 50 50 40 62 64 53.2 36 36 38 40 37.5 Skew 0 0 0 30 35 13 0 15 20 30 16.25 Cost Summary - Labor $14,568 $21,705 $15,853 $24,765 $31,949 $21,768 $12,065 $15,379 $14,674

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Cost estimation of prestressed concrete beam and ...

Jul 28, 2006  (1991). Cost estimation of prestressed concrete beam and reinforced concrete slab construction. Construction Management and Economics: Vol. 9, No. 2, pp. 205-215.

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Optimum Design of Partially Prestressed Concrete ‎Beams

The research presents a formulation for optimum design of partially prestressed concrete beams based on elastic analysis. The optimum ‎design is selected to satisfy the limitations of ACI-Code 2014. The objective function is the cost of the beam. The

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Optimum Design of Composite Prestressed Concrete Girder ...

In 1971, Goble and Lapay [5] presented a method for obtaining the optimum design of prestressed concrete beam considering the total cost unit surface area of the member as the objective function. The objective function was including the cost per unit volume of concrete, prestressing steel, and the cost of forms. The optimum design selected to ...

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Optimum Design of Prestressed Concrete Beams

Optimum Design of Prestressed Concrete Beams P. B. R. Dissanayake and S. Jothy Karma Abstract: One of the motivations in optimizing structures is to reduce the overall weight, which often results in reduced material cost. Efficiency implies minimum cost or minimum weight while satisfying a variety of strength and stiffness requirements.

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OPTIMUM COST DESIGN OF REINFORCED CONCRETE

Concrete Institute Code. The major articles on cost optimization of reinforced concrete structures were reviewed by Sarma and Adeli [2]. The early works on optimization of RC slabs were based on many simplifying assumptions. These works were considered one-way slabs. Traum [3] discussed the optimum cost design of one-way concrete slabs according to

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Cost Optimum Design of Posttensioned I-Girder Bridge

review of articles pertaining to the cost optimization of concrete structures is presented by Sarma and Adeli (1998) and the same for concrete bridge structures by Hassanain and Loov (2003). Torres et al. (1966) and Fereig (1985, 1996) presented the mini-mum cost design of prestressed concrete bridges using the linear programming method.

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Optimum design of precast prestressed concrete structural ...

Dec 11, 2018  Literature Review S.No Author/Journal/year Title Remarks 1 Mohammad arafa Smail /journals of artificial intelligence /2011 Optimum cost of prestressed and reinforced concrete beam using genetic algorithms As characteristic strength of concrete increases, the GA optimizer decreases the dimension of the concrete section in order to find the ...

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Genetic algorithm based optimum design of prestressed ...

This paper is concerned with the optimum design of prestressed concrete beams. Both minimum weight and minimum cost optimization formulations are given for simply supported beams having three ...

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What is Prestressed Concrete and How Does It Work? eSUB

Sep 02, 2020  Prestressing concrete is taking this humble concept and applying it to our modern structures and superstructures. Prestressing concrete does mean additional costs for contractors. This includes the cost of additional materials and the act of prestressing itself. It’s also more complex overall than using reinforced concrete.

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Difference Between RCC and Prestressed Concrete ...

The comparisons between the RCC and prestressed concrete. In RCC beam the concrete in the compression side of the neutral side of the axis alone is effective. The concrete in the tension side of the neutral axis is ineffective. But in the prestressed concrete beam, the entire section is effective. Reinforced concrete beams are generally heavy.

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Optimization of reinforced concrete beams using Solver tool

The total cost (concrete, steel and formworks) of reinforced concrete beams was minimized, considering as design variables the height and width of the beam cross-sections. The conclusions related to the optimization study of reinforced concrete beams are presented below, considering 11 span lengths, 9 loadings and 5 characteristic compressive ...

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Vol. 3, Issue 7, July 2014 Optimum Dimension of Post ...

Cost optimum design of reinforced concrete structures is receiving more and moreattention from the researchers.Ibrahim[2] used mathematical programming techniques to minimize the cost of reinforced concrete T-beam floor. The floor system consisted of one-way continuous slab and simply supported T-beam. A formulation based on an

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Design Optimization of Reinforced Concrete Beams - PDF ...

Design Optimization of Reinforced Concrete Beams Sonia Chutani1 • Jagbir Singh2 Received: 21 December 2013 / Accepted: 17 October 2017 Ó The Institution of Engineers (India) 2017 Abstract This work presents a typical optimization technique i.e. Particle Swarm Optimization (PSO) to achieve optimal design of Reinforced Concrete (RC) beams.

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Dissertations / Theses: 'Prestressed concrete beams ...

"Optimum Design of Prestressed Concrete Beams." Engineer: Journal of the Institution of Engineers, Sri Lanka 40, no. 2 ... The high cost of repairing reinforced or prestressed concrete structures due to steel corrosion has driven engineers to look for solutions. Much research has been conducted over the last two decades to evaluate the use of ...

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Cost effectiveness of Reinforced Concrete and Post ...

footings, beams, columns and slabs contribute mostly to the overall cost of the structure. Material consumption depends on size effect. Here compare the effect of beam for Span 20 m, by R.C.C. and Post-tensioned prestressed concrete techniques. And calculation of percentage cost comparison between RCC Post-tensioned prestressed concrete beam.

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Optimum Design of Prestressed Concrete Beams

Optimum Design of Prestressed Concrete Beams P. B. R. Dissanayake and S. Jothy Karma Abstract: One of the motivations in optimizing structures is to reduce the overall weight, which often results in reduced material cost. Efficiency implies minimum cost or minimum weight while satisfying a variety of strength and stiffness requirements.

get price

OPTIMUM COST DESIGN OF REINFORCED CONCRETE

Concrete Institute Code. The major articles on cost optimization of reinforced concrete structures were reviewed by Sarma and Adeli [2]. The early works on optimization of RC slabs were based on many simplifying assumptions. These works were considered one-way slabs. Traum [3] discussed the optimum cost design of one-way concrete slabs according to

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(PDF) Cost effectiveness of Reinforced Concrete and Post ...

Here compare the effect of beam for Span 20 m, by R.C.C. and Post-tensioned prestressed concrete Key Words: RC beam, PT beam, Etabs software,Geometric techniques. And calculation of percentage cost comparison configuration, Economic cost.

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Steel ratios for cost optimum reinforced concrete beams ...

Oct 01, 1995  REFERENCES 1. P. Balaguru, Cost optimum design of reinforced concrete beams. Building and Environment 15, 219-222 (1980). 2. U. Kirsch, Multilevel optimal design of reinforced concrete structures. Engineering Optimization 6, 207- 212(1983). Steel Ratios for Cost Optimum R/C Beams 551 3. M. Cohn and A. Macrae, Optimization of structural concrete ...

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OPTIMAL STRUCTURAL DESIGN OF PRESTRESSED

The optimum design of the prestressed concrete beams is the one with minimum cross-sectional area and material costs which satisfies all design constraints. Theses constraints in case of simple beams as per ECC’01 can be linearized and categorized in the following form: - 1- Permissible Stresses in Concrete

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Vol. 3, Issue 7, July 2014 Optimum Dimension of Post ...

Cost optimum design of reinforced concrete structures is receiving more and moreattention from the researchers.Ibrahim[2] used mathematical programming techniques to minimize the cost of reinforced concrete T-beam floor. The floor system consisted of one-way continuous slab and simply supported T-beam. A formulation based on an

get price

Precast, Prestress Bridge Girder Design Example

Precast, Prestressed Girder Design Example –PGSuper Training ( 2/4/2020) 1 . 1 Introduction . The purpose of this document is to illustrate how the PGSuper computer program performs its computations. PGSuper is a computer program for the design, analysis, and load rating of precast, prestressed concrete girder bridges.

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Flexural Design Of Prestressed Concrete Beam - New Images Beam

Oct 28, 2019  Optimum of prestressed and reinforced concrete beams using design procedure for prestressed concrete beams nino prestressed concrete springerprofessional de flexural behavior of precast concrete box beams post tensioned endix c parison of width prediction equations for. Related.

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Reinforced Concrete vs Prestressed Concrete SkyCiv

Apr 01, 2021  Reinforced concrete, or RC, is a composite material used in construction. The low tensile strength and ductility of the concrete are fortified by the addition of reinforcing steel bars having higher tensile strength and ductility. During construction, steel bars are placed inside formwork before concrete is

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Optimum Limit Design of Continuous Prestressed Concrete Beams

Nov 23, 1992  Optimization of prestressed concrete beams is cast as a nonlinear programming problem and is solved by the projected Lagrangian algorithm. Examples of (three‐span and two‐span) continuous‐beam optimizations illustrate the method and its features, as well as resulting differences between full and partial prestressing design solutions.

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Cost Optimization of Reinforced Concrete Rectangular Beams ...

The minimum weight and minimum cost solutions give approximately similar results only when the ratio of cost of concrete per cubic yard to the cost of prestressing steel per pound is more than 60. Bhalchandra S. A. , Adsul P.K. Cost Optimization Of Doubly Reinforced Rectangular Beam Section.

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Design Optimization of Reinforced Concrete Beams ...

Oct 26, 2017  This work presents a typical optimization technique i.e. Particle Swarm Optimization (PSO) to achieve optimal design of Reinforced Concrete (RC) beams. Optimal cross-sectional sizing of an RC beam results in cost saving, but it (optimal sizing) cannot be standardized for the various factors that influence a given design. An algorithm has been developed to search for a minimum cost solution ...

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Numerical analysis of prestressed reinforced concrete beam ...

Jan 01, 2015  The non-prestressed beam #11-2 has a similar failure mode with more cracks developed in the mid-span and longitudinal rebars also failed. However, it is found that the longitudinal rebar of the prestressed beam #12-2 fails at around 13 ms, earlier than the unprestressed beam

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