SU70484A1 - Reinforced concrete cantilevered or continuous beam bridge span - Google Patents
Reinforced concrete cantilevered or continuous beam bridge spanInfo
- Publication number
- SU70484A1 SU70484A1 SU196A SU307820A SU70484A1 SU 70484 A1 SU70484 A1 SU 70484A1 SU 196 A SU196 A SU 196A SU 307820 A SU307820 A SU 307820A SU 70484 A1 SU70484 A1 SU 70484A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- reinforced concrete
- continuous beam
- beam bridge
- bridge span
- span
- Prior art date
Links
Landscapes
- Bridges Or Land Bridges (AREA)
- Rod-Shaped Construction Members (AREA)
Description
Изобретение относитс к конструкци м железобетонного консольного или неразрезного балочного пролетного строени мостов.The invention relates to the construction of a reinforced concrete cantilever or continuous beam bridge span.
На чертеже изображен пример выполнени железобетонного консольно-балочного пролетного строени пролетом 82,5 м.The drawing shows an example of a reinforced concrete cantilever beam span with a span of 82.5 m.
Надопорные части основных балок имеют две сход щиес между собой ветви а и б. Верхн ветвь а - пр молинейна и служит продолже;нием пролетной части в. Нижн ветвь б имеет U-образную форму и представл ет собой как бы обратную арку, опирающуюс своим ключом на бык г. Зат жкой такой арки вл етс верхн ветвь а. Нижн U-образна ветвь балки имеет стойку д, служащую промежуточной опорой дл ветви а.The supra-portions of the main beams have two branches a and b coming together. The upper branch of a is linear and serves as a continuation; The lower branch b has a U-shape and represents, as it were, a reverse arch, which, with its key, rests on the bull g. The lower U-shaped branch of the beam has a column d serving as an intermediate support for the branch a.
Система пролетного строени вл етс разрезной и в отношении опорных реакций - статически определимой . Разветвление балок над опорами дает возможность распределить максимальный опорный момент консольной балки равномерно между элементами конструкции.The span system is split and, in terms of support reactions, is statically determinable. The branching of the beams above the supports makes it possible to distribute the maximum support moment of the cantilever beam evenly between the structural elements.
Дл исключени больших раст гивающих напр жений в бетоне верхней ветви моста следует примен ть предварительное нат жение арматуры этой ветви. Дл этого верхн надопорна ветвь оставл етс незабетонированной до раскружаливани пролетного строени . При раскружаливании арматура верхней ветви нат гиваетс собственным весом пролетного строени , после чего бетонируетс и верхн надопорна ветвь.To eliminate large tensile stresses in the concrete of the upper branch of the bridge, pre-tension the reinforcement of this branch should be applied. For this, the upper supra-branch is left non-concreted until the span is unfolded. When unloading, the armature of the upper branch is tensed by its own weight of the span, after which the upper branch is concreted.
Предмет изобретени Subject invention
1. Железобетонное консольное или неразрезное балочное пролетное строение мостов, отличающеес тем, что его главные балки выполнены в пределах каждого надопорного участка в виде двух сход щихс между собой ветвей: верхней - горизонтальной, служащей продолжениел пролетной части бал1371. Reinforced concrete cantilever or continuous beam bridge span, characterized in that its main beams are made within each supra-supporting section in the form of two converging branches: the upper - horizontal, serving extension of the span of the ball137
..
у 2. at 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU196A SU70484A1 (en) | 1939-12-01 | 1939-12-01 | Reinforced concrete cantilevered or continuous beam bridge span |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU196A SU70484A1 (en) | 1939-12-01 | 1939-12-01 | Reinforced concrete cantilevered or continuous beam bridge span |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU70484A1 true SU70484A1 (en) | 1947-11-30 |
Family
ID=52465660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU196A SU70484A1 (en) | 1939-12-01 | 1939-12-01 | Reinforced concrete cantilevered or continuous beam bridge span |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU70484A1 (en) |
-
1939
- 1939-12-01 SU SU196A patent/SU70484A1/en active
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