AlMunifi | The impact of design approach and contracting practices on cost and execution period of school buildings

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Research Articles | Challenge Journal of Structural Mechanics

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Impact of composite columns on soft and weak storey irregularities in buildings without ground floor infill walls

Yusuf Yıldız, Fethi Şermet

Challenge Journal of Structural Mechanics (2025) 11(2) 70-81

In buildings without infill walls on the ground floor, structural irregularities, such as soft and weak storey irregularities can significantly reduce their resilience to earthquakes. These irregularities arise from insufficient lateral stiffness and strength ...
Prediction of optimum design of welded beam design via machine learning

Yaren Aydın, Farnaz Ahadian, Gebrail Bekdaş, Sinan Melih Nigdeli

Challenge Journal of Structural Mechanics (2024) 10(3) 86-94

Design optimization is an important engineering design topic. One of the important issues in structural design is to minimize the cost. This study based on an engineering problem of Welded Beam Design aims to minimize the cost of the beam with machine learning...
Nonlinear in-plane response of 3D-printed concrete walls with varied infill patterns: Experimental mix design and numerical structural assessment

İsmail Hakkı Tarhan, Yeşim Tarhan

Challenge Journal of Structural Mechanics (2025) 11(3) 160-173

This study investigates the nonlinear in-plane structural behavior of 3D-printed concrete wall elements with two representative internal infill patterns ‒ lattice (L) and triangular (T) ‒ using finite element modeling informed by experimentally derived materia...
The novelty design method in lightweight structures with low effective elastic modulus

Hojjat Ghahramanzadeh Asl, Derya Karaman

Challenge Journal of Structural Mechanics (2024) 10(2) 47-57

Lightweight structures are of great interest in industrial areas such as automotive, aerospace, and biomedical due to their lightness, and superior mechanical performance. The advantages of lightweight structures are increased with the spread of additive manuf...
Effect of dimensions of specimens on the impact performance of concrete

Mohammed Gamal Al-Hagri, Shahed Husni Ben Issa Ebribesh, Fares Alamoudi, Abdulrahman Rakan Al Haj Ali

Challenge Journal of Concrete Research Letters (2025) 16(2) 85-94

Mechanical properties of concrete are size dependent. While many reports have discussed the size effect of the test specimen on the static properties of concrete, research on the effect of cross-sectional dimensions of the concrete beams on its impact performa...