FIELD: transmission tower. SUBSTANCE: open slots of a prestressed column made of a metallic pipe filled with concrete are located on ends of portions of changeable cross sections through their height, which is decreased towards column ends. EFFECT: column of high strength. 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| WOODEN GLUING BEAM | 1991 |
|
RU2022109C1 |
| PILE FOUNDATION | 1991 |
|
RU2037013C1 |
| REINFORCING SKELETON | 1991 |
|
RU2029836C1 |
| DEVICE FOR REINFORCING FOUNDATIONS OF BUILDINGS AND STRUCTURES AND METHOD FOR ERECTING THE DEVICE FOR REINFORCING FOUNDATIONS OF BUILDINGS AND STRUCTURES | 1993 |
|
RU2068916C1 |
| DEFORMED BAR | 1990 |
|
RU2031207C1 |
| TEAR-SHAPED RESERVOIR | 1991 |
|
RU2038455C1 |
| PRELIMINARY STRESS-BEARING REINFORCED BEAM | 2018 |
|
RU2675002C1 |
| DEVICE FOR COMPRESSED MEMBER RECOVERY | 2005 |
|
RU2308583C2 |
| METHOD FOR CONSTRUCTION OF PIPE-CONCRETE ARCHES | 1990 |
|
RU2028438C1 |
| METHOD FOR ERECTION OF FOUNDATION | 1992 |
|
RU2018567C1 |
