This paper examines the Arch of Constantine, a triumphal arch completed around 315 C.E. in Rome, from both structural and art-historical perspectives. The paper describes the arch's physical form and location near the Colosseum, its commissioning by the Roman Senate to commemorate Constantine's victory over Maxentius in 312 A.D., and the reuse of sculptural elements from earlier imperial periods. It also explores the arch's cultural significance as a monument marking the transition from pagan Rome to a Christian empire, and analyzes the continued influence of Greek artistic motifs — including columns, symmetry, and ornamental relief — on late Roman architecture.
From a structural perspective, the Arch of Constantine is a form of late Roman architecture, dated to approximately 315 C.E. It was constructed by unknown builders and designed by an unknown architect or architects as a military commemoration of Rome's glory. In these characteristics, it shares many qualities with ancient Roman masonry of its era, although it is smaller in scope than the Colosseum and, unlike that structure, serves no utilitarian purpose ("Arch of Constantine," Great Buildings Online). It takes the form of a triumphal — or traditional inverted "U" shaped — arch, flanked by two smaller arches, and is located on the grounds of the Colosseum in the Piazza del Colosseo.
The arch was commissioned by the Roman Senate in honor of Constantine to commemorate his victory over Maxentius in 312 A.D. (Planter and Ashby, 1929). Despite its relatively late date, the authors Planter and Ashby note that the false colors added to the arch reveal just how much of this edifice was patched together from the work of previous centuries — a practice now known as the reuse of spolia.
Planter and Ashby argue that the periods of Trajan, Hadrian, and Marcus Aurelius produced the finest sculpture of the Roman era, though some scholars contend that the art of those periods is also more imitative of Greek sculpture. Although Benton and DiYanni, in Arts and Culture, do not attempt such a sweeping characterization of the arch and its era of construction, they do note that politically the arch is best understood as the final flowering of the Roman Empire, rather than the height of its triumph.
Like earlier and more elaborate displays of Roman architecture, the Arch of Constantine makes substantial use of Greek motifs — including columns and bilateral symmetry — in its design. The decorative nature of its relief structure and its highly ornamental quality both signal the enduring presence of Greek ornamental influence in Roman architecture, the persistence of triumphal Roman military imagery, and the ambiguity of a transitional moment between a pagan era and an emerging Christian one.
"Arch as symbol of Rome's Christian transition"
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