A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Ispitivanja rubnih spojeva greda-stup postojećih AB konstrukcija na djelovanje potresa ; Seismic load tests on exterior beam-column connections of existing RC structures
U radu su izneseni prijedlozi za poboljšanje svojstava spojeva greda-stup postojećih AB konstrukcija uslijed potresnog djelovanja. Analizirana je uporaba betona niske čvrstoće, glatkog armaturnog čelika bez spona u spojevima te je ispitano ponašanje spojeva u uvjetima pod cikličnim opterećenjem. U okviru eksperimentalnog istraživanja proizvedeno je i ispitano pet uzoraka s različitim rasporedom armature. Na temelju rezultata zaključeno je da su kritični parametri koji određuju svojstva postojećih konstrukcija, raspored spona u spojevima i upotreba kuka za sidrenje uzdužne armature koje su savijene pod kutom od najmanje 90°. ; Suggestions for improving seismic performance of beam-column connections of the existing RC structures are presented in this paper. The use of low-strength concrete with plain bars without stirrups in joints is analysed, and behaviour of joints in the aforementioned conditions under cyclic load is investigated. Five specimens with different reinforcement configurations were produced and tested in the experimental process. Based on results, it was concluded that critical parameters for the performance of existing structures are: stirrup arrangement in joints, and the use of at least 90-degree hooks in longitudinal reinforcement of beams.
Ispitivanja rubnih spojeva greda-stup postojećih AB konstrukcija na djelovanje potresa ; Seismic load tests on exterior beam-column connections of existing RC structures
U radu su izneseni prijedlozi za poboljšanje svojstava spojeva greda-stup postojećih AB konstrukcija uslijed potresnog djelovanja. Analizirana je uporaba betona niske čvrstoće, glatkog armaturnog čelika bez spona u spojevima te je ispitano ponašanje spojeva u uvjetima pod cikličnim opterećenjem. U okviru eksperimentalnog istraživanja proizvedeno je i ispitano pet uzoraka s različitim rasporedom armature. Na temelju rezultata zaključeno je da su kritični parametri koji određuju svojstva postojećih konstrukcija, raspored spona u spojevima i upotreba kuka za sidrenje uzdužne armature koje su savijene pod kutom od najmanje 90°. ; Suggestions for improving seismic performance of beam-column connections of the existing RC structures are presented in this paper. The use of low-strength concrete with plain bars without stirrups in joints is analysed, and behaviour of joints in the aforementioned conditions under cyclic load is investigated. Five specimens with different reinforcement configurations were produced and tested in the experimental process. Based on results, it was concluded that critical parameters for the performance of existing structures are: stirrup arrangement in joints, and the use of at least 90-degree hooks in longitudinal reinforcement of beams.
Ispitivanja rubnih spojeva greda-stup postojećih AB konstrukcija na djelovanje potresa ; Seismic load tests on exterior beam-column connections of existing RC structures
Cosgun, Turgay (author) / Cosgun, Cumhur (author) / Kanishka, Abdulrauf (author) / Mangir, Atakan (author) / Sayin, Baris (author) / Murat Türk, Ahmet (author)
2019-01-01
Građevinar ; ISSN 0350-2465 (Print) ; ISSN 1333-9095 (Online) ; Volume 71 ; Issue 12.
Article (Journal)
Electronic Resource
English , Croatian
DDC:
690
Seismic load tests on exterior beam-column connections of existing RC structures
| DOAJ | 2019
Materijali i konstrukcije : časopis za ispitivanja i istraživanja u oblasti materijala konstrukcija
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