Seismic design of precast concrete diaphragms. a guide for practicing
                        engineers

Ghosh, Suman; Cleland, Ned M.; Naito, Clay

doi:10.6028/nist.gcr.17-917-47

Cited by 4 publications

(3 citation statements)

References 35 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In such means, the corbelled structural layer could be described as a Relieving Diaphragm. Diaphragms have two roles [45]; the rst is to transmit static and dynamic forces horizontally and provide continuous load path for the static and seismic forces. The second is to tie the vertical elements together so that these elements could comprehensively resist the seismic forces, i.e., it secures the box-like effect of the structure during an earthquake.…”

Section: The Circular Apse Of Julianos Church: Discourses Of Engineer...mentioning

confidence: 99%

“…The second is the insu cient connections between the vertical planes and between the roof surface of the apse and the walls, which is the case in most ancient structures, where the walls of each segment of the church have been built separately [46]. Better connection between the diverse planes of the structure (horizontal and vertical; walls, oors and ceilings) is addressed in contemporary literature as one of the most important factors for improving the seismic safety of the nonstructural masonry structure (see for example [47,48,45].…”

Section: Structural Buttressing Of the Relieving Diaphragm Through Se...mentioning

confidence: 99%

“…It allows a horizontal sliding movement during seismic motions and hence prevents the brittle failure of the basalt beam element. Utilizing the basalt material is also helpful because the connector should exhibit stiffness and yield strength in order to resist the diaphragm's internal forces: a combination of tension, shear and xture [45]. [5] Dry construction technique is also noticed in some walls using in the form of headers and stretcher (for more information see [30]).…”

Section: Structural Buttressing Of the Relieving Diaphragm Through Se...mentioning

confidence: 99%

See 2 more Smart Citations

Anastylosis of Apsidal Roof Engineering for Ecclesiae of Hawrān during Late Antiquity: Case of Julianos Church in Umm el-Jimal, Jordan

Rabady

Rababeh

2022

Preprint

View full text Add to dashboard Cite

Umm el-Jimal, located in Hawrān of Late Antiquity, is well-known for the use of volcanic-based building materials; mainly basalt stone and scoria. Structural attributes of these two materials are important for examining potential roofing system(s) that could have been used for the semi-circular apse of Julianos Church in Umm el-Jimal. Since the roof is demolished nowadays, the study examines two interpretive theories presented in literature: ‘vault roof’ as put forward by Professor Howard Butler in 1913 and ‘corbelled flat roof’ as suggested by Corbett and Reynolds in 1957. A third theory is also introduced in this study, based on available archaeological remains, relevant cases, and religious and scientific premises. It advocates a ‘composite system’ of corbelled relieving diaphragms and non-load-bearing vaulted structure to generate a box-like buttressing apse. The composite system can operate interactively to resist static loads and dynamic seismic forces. Builders of Hawrān should have introduced novel engineering of their ecclesiastical architecture that differs from its ‘classical’ counterpart. Contemporary conservators can respectively consider these theories in their attempts to salvage the alarmingly vanishing ecclesiae of Hawrān.

show abstract

Section: The Circular Apse Of Julianos Church: Discourses Of Engineer...mentioning

confidence: 99%

Section: Structural Buttressing Of the Relieving Diaphragm Through Se...mentioning

confidence: 99%

Section: Structural Buttressing Of the Relieving Diaphragm Through Se...mentioning

confidence: 99%

See 1 more Smart Citation

Anastylosis of Apsidal Roof Engineering for Ecclesiae of Hawrān during Late Antiquity: Case of Julianos Church in Umm el-Jimal, Jordan

Rabady

Rababeh

2022

Preprint

View full text Add to dashboard Cite

show abstract

Modeling of the precast concrete hollowcore floor diaphragm with tie beams under seismic action

Abaev,

Valiev,

Kodzaev

2023

The International Conference on Battery for Renewable Energy and Electric Vehicles (Icb-Rev) 2022

View full text Add to dashboard Cite

Engineering the reconstruction of Hawrān’s Ecclesiae during late antiquity: case of Julianos church in Umm el-Jimal, Jordan

Rabady

Rababeh

2022

Herit Sci

View full text Add to dashboard Cite

This study challenges the stylistic-based classical prototype of the early Byzantine churches in the basaltic Hawrān region in the Middle East- the birthplace of Christianity and home to the world's most ancient Christian architecture and engineering ideologies. We focus on the engineering of the apsidal zone and its structural and architectural implications in relevance to the prototypical arcuated one. The instrumental case of Julianos Church in Umm el-Jimal provides an insight into the effect the local material and structural technique have on the formation of complex roofing structures for the apsidal zone. The detailed interpretation of the structural engineering reconstruction is coupled with historical research and digitally generated 2D and 3D reconstruction models. The findings indicate that the apsidal zone's engineering could have responded to Hawrān's unique material, structural techniques, and seismic measures. We finally compare the early twentieth-century scholars' stylistic-based interpretation of the apse roof to contemporary engineering-based reconstruction research based on historical evidence and contextual studies. Future researchers and conservators should consider a holistic approach that balances stylistic/engineering reconstruction processes carefully and numerically. The builders of Hawrān should have introduced novel engineering of their ecclesiastical architecture that differs from its 'classical' counterpart.

show abstract

Seismic design of precast concrete diaphragms. a guide for practicing engineers

Cited by 4 publications

References 35 publications

Anastylosis of Apsidal Roof Engineering for Ecclesiae of Hawrān during Late Antiquity: Case of Julianos Church in Umm el-Jimal, Jordan

Anastylosis of Apsidal Roof Engineering for Ecclesiae of Hawrān during Late Antiquity: Case of Julianos Church in Umm el-Jimal, Jordan

Modeling of the precast concrete hollowcore floor diaphragm with tie beams under seismic action

Engineering the reconstruction of Hawrān’s Ecclesiae during late antiquity: case of Julianos church in Umm el-Jimal, Jordan

Contact Info

Product

Resources

About