A Comparative Criteria Method for Telecommunications Towers With Different Topological Designs

Duhovnik, Jože; Tomsic, P.

doi:10.5755/j01.mech.18.2.1566

Cited by 4 publications

(3 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Loads and cross sections for common trusses, connecting trusses and radial semi-trusses were different. Therefore in our paper, the stress/strain state parameters are being analysed in terms of the quality (Table 2), this fact is very important for any rational decision of the engineering problems [23][24][25]. The results of investigating more conservative plane structural models are compared with those of the spatial model.…”

Section: Analysis Of Resultsmentioning

confidence: 99%

Investigation of mechanical state of spatial roof from steel trusses on asymmetric building

Samofalov

Žiūkas

2015

mech

View full text Add to dashboard Cite

Section: Analysis Of Resultsmentioning

confidence: 99%

Investigation of mechanical state of spatial roof from steel trusses on asymmetric building

Samofalov

Žiūkas

2015

mech

View full text Add to dashboard Cite

“…As far as telecommunication towers are concerned, optimization methods [8,9] have been developed mainly in scientific research and consider various aspects of optimization, i.e. topologies [10], comparative criteria [11], geometrically nonlinear analyses [12], or aspects related to loadcarrying capacity of individual nodes of lattice structures [13,14].…”

Section: Introductionmentioning

confidence: 99%

Using full‐scale tests results for designing of steel telecommunication towers

Szafran¹

2021

ce papers

View full text Add to dashboard Cite

The main goal of this paper is to provide recommendations for designing state‐of‐the‐art and lightweight steel lattice telecommunication towers which offer the highest possible load‐carrying capacity. The design rules presented in the paper are based on experimental results obtained for two independent tower structures. Full‐scale facilities, namely 42‐m‐high towers were tested. Stresses in compressed legs of lower segments of the towers, displacements of their tops, and, notably, failure mechanisms are analyzed. Technical solutions including additional equipment, such as service platforms and cable and access ladders, are also considered. Means of reinforcing tower structures with a focus on modifying buckling strength of legs and diagonal bracings are also discussed and justified.

show abstract

“…The topic of the optimal topology design of diagonal and filling bars for multistory steel frames has already been discussed [31,32] using a 2D square mesh, which does not represent the actual straight members. The results are presented in curved shapes made from 2D elements that correspond to lines of principal stresses and then applied to an actual steel framework constructed with straight members, which do not represent the best cost-efficient solution.…”

Section: Problem Descriptionmentioning

confidence: 99%

Simultaneous Topology and Size Optimization of 2D and 3D Trusses Using Evolutionary Structural Optimization with regard to Commonly Used Topologies

Tomsic

Duhovnik

2014

Advances in Mechanical Engineering

View full text Add to dashboard Cite

One of many optimization techniques is the evolutionary structural optimization (ESO), based on the idea that an optimal structure can be achieved by gradually removing ineffectively used materials from the design domain. Production of a multistage optimization is often proposed to reach the best overall solution. In the first stage, the structure is optimized according to a topology criterion, and, in the second stage, sizing optimization is carried out. The efficiency of such an approach is questionable as a fixed topology, for the second stage optimization may not be the most favorable before sizing optimization is carried out. In this paper, the simultaneous topology and size optimization of trusses using the ESO algorithm are discussed. A number of numerical examples are presented to research capacity to achieve optimal solutions for a structural problem. The topology design of the initial design domain is based on commonly used designs for multistorey trusses constructed from straight members. Therefore, the cases are of a slender shape and made from a combination of presented internal designs. The case studies will present an evaluation to show whether the described optimization approach can be beneficial in structural design for the purpose of steel framework designs.

show abstract

A Comparative Criteria Method for Telecommunications Towers With Different Topological Designs

Cited by 4 publications

References 11 publications

Investigation of mechanical state of spatial roof from steel trusses on asymmetric building

Investigation of mechanical state of spatial roof from steel trusses on asymmetric building

Using full‐scale tests results for designing of steel telecommunication towers

Simultaneous Topology and Size Optimization of 2D and 3D Trusses Using Evolutionary Structural Optimization with regard to Commonly Used Topologies

Contact Info

Product

Resources

About