Reverse Engineering a Fully Collapsed Ancient Roman Temple through Geoarchaeology and DEM

Erdogmus, Ece; Pulatsu, Bora; Gaggioli, Amanda; Hoff, Michael C.

doi:10.1080/15583058.2020.1728593

Cited by 18 publications

(10 citation statements)

References 42 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Therefore, simplified micromodeling is preferable to compromise the computational cost and accuracy, where the masonry units are expanded up to the half-thickness of the mortar joints, whereas the effect of mortar joints is taken into account via zero-thickness interfaces. In the case of dryjoint masonry constructions, masonry units are directly represented by discrete blocks [25,26], as illustrated in Figure 1. In this study, a simplified micromodeling approach is utilized to analyze both static and impact responses of dry-joint stone masonry arches using the discrete element method (DEM).…”

Section: Background: Discrete Element Modelingmentioning

confidence: 99%

Static and Impact Response of a Single-Span Stone Masonry Arch

2021

Self Cite

View full text Add to dashboard Cite

Unreinforced masonry structures are susceptible to man-made hazards such as impact and blast loading. However, the literature on this subject mainly focuses on masonry wall behavior, and there is a knowledge gap about the behavior of masonry arches under high-strain loading. In this context, this research aims to investigate both quasistatic and impact response of a dry-joint stone masonry arch using the discrete element method. Rigid blocks with noncohesive joint models are adopted to simulate dry-joint assemblages. First, the employed modeling strategy is validated utilizing the available experimental findings, and then sensitivity analyses are performed for both static and impact loading, considering the effect of joint friction angle, contact stiffness, and damping parameters. The outcomes of this research strengthen the existing knowledge in the literature regarding the computational modeling of masonry structures that are subjected to usual and extreme loading conditions. The results highlight that applied discontinuum-based numerical models are more sensitive to stiffness parameters in high-strain loading than static analysis.

show abstract

Section: Background: Discrete Element Modelingmentioning

confidence: 99%

Static and Impact Response of a Single-Span Stone Masonry Arch

2021

Self Cite

View full text Add to dashboard Cite

show abstract

“…DEM models have been frequently applied to tall, slender structures, from the early work on the Parthenon columns [20], to the more recent analyses of towers [21], obelisks [22], and stone minarets [23]. More complex geometries are now being addressed, such as arch bridges [24], domes [25], various types of buildings [26,27], or archaeological structures [28]. Comparisons of DEM results with the behavior observed in shaking table tests of scaled models have provided a progressive validation of its performance.…”

Section: Of 16mentioning

confidence: 99%

“…Comparisons with tests of more complex structures have also been undertaken, namely masonry walls under out-of-plane loads [31,32], or the scaled model of a mosque [33]. DEM has been applied to many historical structures, namely the Parthenon columns [20,29], the Colosseum walls [26], a Roman temple [27], an obelisk [22], historical minarets [23], or the dome of Florence cathedral [25]. In the present study, the effect of the wall curvature on the stability of the round towers is an issue to be examined.…”

Section: Of 16mentioning

confidence: 99%

Investigation of the Structural Dynamic Behavior of the Frontinus Gate

Saygılı

Lemos

2020

Applied Sciences

View full text Add to dashboard Cite

The Western Anatolia Region of Turkey is an important region of high seismic activity. The active dynamics of the region are shaped by a compression and expansion mechanism. This active mechanism is still ongoing and causes strong seismic activity in the region. The Frontinus Gate is a monument in the Roman city of Hierapolis of Phrygia located in southwestern Anatolia. The aim of this study is to investigate the seismic behavior of this stone masonry structure using discrete element modeling. For this purpose, nonlinear dynamic analyses were performed to simulate the structural response of the gate under seismic excitation. Deformation, damage, and failure patterns induced in the masonry gate for different levels of seismic action are evaluated and discussed. An earthquake with a return period of 475 years is expected to cause some damage, but no collapse, while for a return period of 2475 years, the models indicate collapse of the monument.

show abstract

“…Rigid blocks may be preferable for dynamic analysis compared to deformable blocks since the rigid block model has less computational demand [14]. In DEM, discrete bodies can be represented as circular particles or polyhedral blocks considering different scales, which depend on the type of problem [15][16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Simulation of the in-plane structural behavior of unreinforced masonry walls and buildings using DEM

et al. 2020

Self Cite

View full text Add to dashboard Cite

In this study, a novel computational modeling strategy is proposed to estimate the lateral load capacity and behavior of unreinforced masonry (URM) structures. All commonly noted failure mechanisms are captured via the proposed modeling strategy using the discrete element method (DEM) in three-dimensions (3D). Masonry walls are represented as a system of elastic discrete blocks, where the nodal velocities are evaluated by integrating the equations of motion using the central difference method. Then, the mechanical interactions among adjacent blocks are examined utilizing the relative contact displacements and employed in the contact stress calculation. Through this research, a new stress-displacement contact constitutive model is considered and implemented in the commercial software 3DEC, which includes softening stressdisplacement behavior for tension, shear, and compression along with the fracture energy concept. The results of the discontinuum models are validated on small-and large-scale experimental studies available in the literature with good agreement. Furthermore, important inferences are made regarding the effect of block size, the number of contact points, and contact stiffness values for robust and accurate simulations of masonry walls.

show abstract

Reverse Engineering a Fully Collapsed Ancient Roman Temple through Geoarchaeology and DEM

Cited by 18 publications

References 42 publications

Static and Impact Response of a Single-Span Stone Masonry Arch

Static and Impact Response of a Single-Span Stone Masonry Arch

Investigation of the Structural Dynamic Behavior of the Frontinus Gate

Simulation of the in-plane structural behavior of unreinforced masonry walls and buildings using DEM

Contact Info

Product

Resources

About