SU1749465A1 - Support to guard development workings - Google Patents
Support to guard development workings Download PDFInfo
- Publication number
- SU1749465A1 SU1749465A1 SU904804870A SU4804870A SU1749465A1 SU 1749465 A1 SU1749465 A1 SU 1749465A1 SU 904804870 A SU904804870 A SU 904804870A SU 4804870 A SU4804870 A SU 4804870A SU 1749465 A1 SU1749465 A1 SU 1749465A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- support
- blocks
- reinforced concrete
- workings
- flexible connection
- Prior art date
Links
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Road Paving Structures (AREA)
Abstract
Крепь дл охраны подготовительных выработок м.б. использована в горной промышленности при охране подготовительных выработок с изготовлением крепи на месте производства работ из отформованных железобетонных блоков. Крепь выполнена в виде тумб из железобетонных блоков 1 квадратной формы, Блоки в центре имеют сквозное отверстие дл установки фиксатора 2 общего дл всех блоков тумб. Между кровлей и тумбой расположены податливые элементы 3. Верхн и нижн поверхности блоков имеют пазы, в которых размещаетс гибка св зь, например канат. 3 ил.Support for preservation workings m. used in the mining industry in the protection of preparatory workings with the manufacture of lining at the work site from molded reinforced concrete blocks. The support is made in the form of curbstones made of reinforced concrete blocks 1 of square shape. The blocks in the center have a through hole for fixing the clamp 2 in common for all blocks of pedestals. The pliable elements 3 are located between the roof and the pedestal. The upper and lower surfaces of the blocks have grooves in which a flexible connection is placed, for example a rope. 3 il.
Description
Фиг. JFIG. J
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU904804870A SU1749465A1 (en) | 1990-03-23 | 1990-03-23 | Support to guard development workings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU904804870A SU1749465A1 (en) | 1990-03-23 | 1990-03-23 | Support to guard development workings |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1749465A1 true SU1749465A1 (en) | 1992-07-23 |
Family
ID=21503228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU904804870A SU1749465A1 (en) | 1990-03-23 | 1990-03-23 | Support to guard development workings |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1749465A1 (en) |
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1990
- 1990-03-23 SU SU904804870A patent/SU1749465A1/en active
Non-Patent Citations (1)
Title |
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Авторское свидетельство СССР Nfc 1262048, кл. Е 21 D 11/08, 1986. Авторское свидетельство СССР № Т571257, кл. Е 21 D 11/08, 1989. * |
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