SU1416593A1 - Method of reinforcing and expanding ferroconcrete-steel bridge span structure - Google Patents
Method of reinforcing and expanding ferroconcrete-steel bridge span structure Download PDFInfo
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- SU1416593A1 SU1416593A1 SU864049978A SU4049978A SU1416593A1 SU 1416593 A1 SU1416593 A1 SU 1416593A1 SU 864049978 A SU864049978 A SU 864049978A SU 4049978 A SU4049978 A SU 4049978A SU 1416593 A1 SU1416593 A1 SU 1416593A1
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- reinforcement
- plates
- concrete
- stops
- broadening
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Abstract
Изобретение относитс к мостостроению -и может быть использовано при реконструкции типовых балочных сталежелезобетонных пролетных строений мостов. Целью изобретени вл етс снижение материалоемкости усилени и уширени , увеличение несущей способности пролетного строени без усилени металлических главных балок и прогонов. При усилегши и уширении производ т разборку монолитного бетона между вутами и в окнах 8 упоров, срезку арматурных петель упоров, разборку монолитного бетона продольных и поперечных швов, срезку соедини- тельных.стальных планок, объедин ющих плиты над прогоном 3, разрезку арматуры поперечных швов. После зто- го временно демонтируют существующие сборные плиты 4 железобетонной проезжей части и тротуарные блоки 10, на верхних по сах главных балок 1 и прогонов 3 закрепл ют усиленные упоры, устанавливают арматуру и опалубку но-. вых продольных ребер Пи 12 с высотой , большей, чем- у существующих ребер , устанавливают демонтированные плиты 4 в повышенном уровне на прежнее в плане место, устраиваюг пбдвес- ную опалубку с арматурой новых поперечных ребер 13 под существовавщими поперечными швами плит 4, а опалубку с арматурными каркасами зтаирени консольных частей 14 существующих плит 4 и нового поперечного ребра 15 - под консол ми существующих и новых участков плит, производ т сварку арматурных выпусков гшит 4 мевду собой, с упорами и арматурой ребер. и бетонирование продольных П и 12, поперечных 13 и 15 ребер и новых консольных участков сборных плит 4. После набора бетоном прочности произво- . д т монтаж тротуарных блоков 10, устройство изол ции и дорожного покрыти . 5 ил. (/ О) ел со boThe invention relates to bridge construction, and can be used in the reconstruction of typical beam concrete concrete bridge span structures. The aim of the invention is to reduce the material intensity of reinforcement and broadening, increase the bearing capacity of the superstructure without reinforcement of the metal main beams and girders. With reinforcement and broadening, disassembly of the monolithic concrete between the high points and in the windows 8 stops, cutting of reinforcement loops of the stops, disassembly of monolithic concrete of the longitudinal and transverse joints, cutting of connecting strips connecting the plates above the girder 3, cutting the reinforcement of the transverse joints are performed. After this, the existing precast slabs 4 of the reinforced concrete roadway and sidewalk blocks 10 are temporarily dismantled, reinforced stops are fixed on the upper surfaces of the main beams 1 and girders 3, the reinforcement and the formwork are installed. Out of the longitudinal ribs Pi 12 with a height greater than that of the existing ribs, the dismantled plates 4 are set at an elevated level to the same place in plan, arranging a positive ceiling formwork with reinforcement of new transverse ribs 13 under the existing cross seams of the plates 4, and formwork reinforcing cages of the cantilever parts 14 of the existing plates 4 and the new transverse rib 15 - under the consoles of the existing and new sections of the plates, the welding of reinforcement releases is made 4 times with itself, with stops and ribs reinforcement. and the concreting of the longitudinal P and 12, the transverse 13 and 15 ribs and the new cantilever sections of prefabricated plates 4. After the concrete has been set to strength, the production is carried out. dt installation of pavement blocks 10, insulation and pavement device. 5 il. (/ O) ate with bo
Description
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Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU864049978A SU1416593A1 (en) | 1986-04-04 | 1986-04-04 | Method of reinforcing and expanding ferroconcrete-steel bridge span structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU864049978A SU1416593A1 (en) | 1986-04-04 | 1986-04-04 | Method of reinforcing and expanding ferroconcrete-steel bridge span structure |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1416593A1 true SU1416593A1 (en) | 1988-08-15 |
Family
ID=21231201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU864049978A SU1416593A1 (en) | 1986-04-04 | 1986-04-04 | Method of reinforcing and expanding ferroconcrete-steel bridge span structure |
Country Status (1)
Country | Link |
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SU (1) | SU1416593A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113981838A (en) * | 2021-10-20 | 2022-01-28 | 广东二十冶建设有限公司 | Connection construction method for widened bridge joint |
-
1986
- 1986-04-04 SU SU864049978A patent/SU1416593A1/en active
Non-Patent Citations (1)
Title |
---|
Проведение исследований и разработка схем уширени сталежелезобе- тонных пролетных строений. Отчет СибАДИ по НИР. Т. II, № 02850077816, Омск, .1985, с. 85, 86, 143-145, 158J60, рис. 3,4; 3,5; 3,48; 3,49. * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113981838A (en) * | 2021-10-20 | 2022-01-28 | 广东二十冶建设有限公司 | Connection construction method for widened bridge joint |
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