SU953213A1 - Method of making rock-concrete roof support - Google Patents
Method of making rock-concrete roof support Download PDFInfo
- Publication number
- SU953213A1 SU953213A1 SU813234670A SU3234670A SU953213A1 SU 953213 A1 SU953213 A1 SU 953213A1 SU 813234670 A SU813234670 A SU 813234670A SU 3234670 A SU3234670 A SU 3234670A SU 953213 A1 SU953213 A1 SU 953213A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- rock
- solution
- layer
- crack
- bonding solution
- Prior art date
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
Description
Изобретение относитс к горному дел1у, а именно, к строительству подземных сооружений.The invention relates to a mining business, namely, the construction of underground structures.
Известен способ создани породобетонной крепи дл креплени горных выработок, включающий возведение несущей крепи с последующим нагнетанием скрепл ющих растворов в пустоты закрепленного пространства и разрушение породы приконтурной зоны 1.There is a known method of creating rock concrete lining for fastening mine workings, including the erection of bearing lining followed by injection of fastening solutions into the voids of the fixed space and the destruction of the rock of the marginal zone 1.
Недостатком этого способа вл етс то,что несуща крепь требует больших трудозатрат,, значительного расхода материалов и излишней выемки породы.The disadvantage of this method is that the bearing lining requires a lot of labor, a significant consumption of materials and excessive excavation of the rock.
Наиболее близким по технической сущности к изобретению вл етс способ создани породобетонной крепи, включающий установку временной крепи, нанесение на поверхность выработки эластичной синтактической пленки и подачу в приконтурный слой породы окрепл ющего раствора 2.The closest in technical essence to the invention is a method of creating rock concrete lining, including the installation of temporary lining, drawing on the surface of the development of an elastic syntactic film and feeding a reinforcing solution 2 into the edge layer of rock.
Однако дл того, чтобы скрепл ющий раствор проник на достаточную глубину к заполнил трещины нарушенной зоны вокруг выработки он должен подаватьс в эту зону по скважинам при давлении от 5 до 20 атмосфер. Этот раствор оказывает давление наHowever, in order for the fastening solution to penetrate to a sufficient depth to fill the cracks in the disturbed zone around the excavation, it must be fed into this zone through wells at a pressure of from 5 to 20 atmospheres. This solution puts pressure on
эластичную синтетическую пленку через трещины, пересекающие скважины и выход щие на поверхность выработки . Поскольку ; эластична синтетическа пленка закреплена на поверхности выработки временной крепью, то между местами закреплени эта . пленка в силу своей эластичности под давлением нагнетаемого раствора elastic synthetic film through cracks that intersect the boreholes and extend to the surface of the mine. Insofar as ; The elastic synthetic film is fixed on the surface of the working of the temporary support, then between the fastening points is this. film due to its elasticity under the pressure of the injection solution
10 выт гиваетс , а раствор выходит на поверхность породы в образовавшиес полости и в конечном итоге разрывает пленку. Это к перерасходу раствора , загр знению выработки, нека15 чественному закреплению ее. На участках с микронеровност ми породу ного контура, вызванными буро-взрывными работами, трудно обеспечить плотное прилегание синтетической 10 is drawn out, and the solution reaches the rock surface in the cavities formed and eventually breaks the film. This is due to the overrun of the solution, contamination of the production, and the unspecific fixing of it. In the areas with microroverability of the rock contour caused by drilling and blasting, it is difficult to ensure a tight fit of the synthetic
20 пленки к поверхности выработки и негативные влени будут про вл тьс еще в большей степени.20 films to the surface of production and negative phenomena will appear even more.
Целью изобретени вл етс повышение качества креплени и снижение 5 расхода материала перед нанесением синтетической пленки.The aim of the invention is to improve the quality of fastening and reduce 5 the consumption of material before applying a synthetic film.
Поставленна цель достигаетс тем, что перед нанесением эластичной синтетической пленки, замер ют The goal is achieved by the fact that before applying an elastic synthetic film, measure
30 раскрытие трещин и угол выхода тре30 crack opening and exit angle
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU813234670A SU953213A1 (en) | 1981-01-15 | 1981-01-15 | Method of making rock-concrete roof support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU813234670A SU953213A1 (en) | 1981-01-15 | 1981-01-15 | Method of making rock-concrete roof support |
Publications (1)
Publication Number | Publication Date |
---|---|
SU953213A1 true SU953213A1 (en) | 1982-08-23 |
Family
ID=20938207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU813234670A SU953213A1 (en) | 1981-01-15 | 1981-01-15 | Method of making rock-concrete roof support |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU953213A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109507041A (en) * | 2018-10-18 | 2019-03-22 | 上海宝冶集团南京建筑有限公司 | A kind of I-II mixed mode fracture property test method of concrete |
-
1981
- 1981-01-15 SU SU813234670A patent/SU953213A1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109507041A (en) * | 2018-10-18 | 2019-03-22 | 上海宝冶集团南京建筑有限公司 | A kind of I-II mixed mode fracture property test method of concrete |
CN109507041B (en) * | 2018-10-18 | 2021-05-18 | 上海宝冶集团南京建筑有限公司 | Concrete I-II composite crack fracture performance testing method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6193439B1 (en) | Process for cladding substrates and constructions produced thereby | |
US5253957A (en) | Method of stopping leak in in-ground concrete structure | |
SU953213A1 (en) | Method of making rock-concrete roof support | |
US3893303A (en) | Rock securing method | |
JPH02153199A (en) | Water-proof treatment of tunnel | |
CN206667303U (en) | Diaphragm wall waterproof structure for deformation seams | |
JPS60188597A (en) | Method and apparatus for drilling passage impossible long extended hollow cavity by closed construction method and forming surrounding wall | |
RU2099534C1 (en) | Method for support of underground working in water-logged frozen grounds | |
SU629347A1 (en) | Mine working roof support | |
RU2120553C1 (en) | Method of water proofing of tunnel linings | |
SU1055879A1 (en) | Method of roof control in mine workings | |
JPH0238700A (en) | Patching of crack, joint and the like of concrete structure | |
CN208056643U (en) | What a kind of leakage of fire cistern pipeline was buried remedies constructing device | |
CN219932191U (en) | Tunnel bamboo mixes supporting construction | |
RU2065055C1 (en) | Method for fastening working | |
CN217354403U (en) | Construction joint grouting device in tunnel | |
SU1211414A1 (en) | Method of erecting mine support | |
JPS5945075B2 (en) | Tunnel excavation method that precedes the primary lining | |
SU1273582A1 (en) | Method of of bolting rock without hole-drilling | |
SU1523675A1 (en) | Method of supportting mine workings | |
SU768996A1 (en) | Method of protecting working in stratified rock area | |
RU1796024C (en) | Method for supporting stopes | |
SU1765405A1 (en) | Method of working steep coal bed by | |
JPH0243880B2 (en) | ||
SU1758232A1 (en) | Method of consolidating rocks in vertical shaft sinking |