CN104061008A - Underground perfusion type flexible support and construction method thereof - Google Patents
Underground perfusion type flexible support and construction method thereof Download PDFInfo
- Publication number
- CN104061008A CN104061008A CN201410258481.6A CN201410258481A CN104061008A CN 104061008 A CN104061008 A CN 104061008A CN 201410258481 A CN201410258481 A CN 201410258481A CN 104061008 A CN104061008 A CN 104061008A
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- flexible
- flexible support
- interface
- support
- termination
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- 230000010412 perfusion Effects 0.000 title abstract description 13
- 238000010276 construction Methods 0.000 title abstract description 12
- 239000011435 rock Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims description 24
- 239000002002 slurry Substances 0.000 claims description 15
- 238000007569 slipcasting Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 10
- 230000010410 reperfusion Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 210000002966 serum Anatomy 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004911 serous fluid Anatomy 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Abstract
The invention relates to an underground perfusion type flexible support and a construction method thereof. The flexible support is mainly composed of a flexible hose and an interface perfusion device, wherein the flexible hose is cut into a plurality of equal-length hoses according to a design or the profile of an underground work; a certain number of small exhaust holes are formed in the middle part of each hose, or an exhaust device is connected between two flexible hose sections; after being are folded or bent, the hoses are transported to an appointed position of the underground work together with the interface perfusion device; the interface perfusion device is firstly connected with the end of the flexible hose in a sealing way, then the flexible support is fixedly arranged on a surrounding rock wall, then the interface perfusion device is connected with the end of the flexible hose in a sealing way, and grouting is performed through the perfusion holes. According to the flexible support and the construction method thereof, the flexible hose with lower linear density is adopted and is easy to bend or fold, easy to transport in an underground space, simple in installation technology and low in labor intensity.
Description
Technical field
The present invention relates to a kind of excavation support, especially relate to a kind of underground filling type flexible support.
Background technology
Underground construction particularly the support supporting of mine laneway, mine laneway secondary supporting and mountain tunnel often adopt rigid metal bracket support, comprise U-shaped steel bracket, flange beam stand and steel pipe concrete bracket etc., common feature is: (1) support is in ground machine-shaping, divide multi sphere section to be transported to underground, in job site, assemble, mounting process is complicated.(2) support wire density is large, and installation difficulty is large, generally need to first set up scaffold and carry out mounting bracket again, and installation rate is slow, and labor strength is high.(3) support major part is steel, and support overall weight is large, and support cost is higher.
Summary of the invention
In order to solve defect and the problem existing in above-mentioned prior art, the present invention proposes a kind of underground filling type flexible support, different from existing rigid metal support, that employing flexible hose is rack body, by underground mechanical reperfusion serosity, completing support installs, after solidifying, slurries form the higher rigid support of intensity, supported laneway country rock.
Described flexible support is mainly comprised of flexible hose and interface device for casting, the middle part of described soft flexible pipe is offered the small de-air hole of some or be connected with exhaust plant between two sections of flexible hose, the termination of described interface device for casting and flexible hose is tightly connected
Further, described flexible support is by anchor pole or holdfast and special-purpose metal overlaps or wire is fixed on flexible support on country rock wall, by fill orifice, carries out reperfusion serosity, after slurries solidify, forms rigid support supporting country rock.
Further, described exhaust plant is T shape structure, comprises two end interfaces and upper end exhaust opening, and described two end interfaces are connected with one section of flexible hose end part seal respectively, described upper end exhaust opening Exhaust Gas.
Further, described support is shaped as sealing horseshoe set, and described interface device for casting is T-shaped structure, two end interfaces and upper end fill orifice, consists of, and described interface and flexible pipe two ends are tightly connected, and described fill orifice and Grouting Pipe are tightly connected.
Further, described support is shaped as semiclosed stalk semicircular arch support, described interface device for casting comprises interface slip casting termination and interface termination, described interface slip casting termination is T-shaped structure, by upper end interface, lower end closed termination and side fill orifice, formed, described interface termination is comprised of upper end interface and lower end closed termination, and described two interfaces are tightly connected respectively at hose end, and described fill orifice and Grouting Pipe are tightly connected.
Further, described in, the mode of being tightly connected is bonding connection, mechanical connection or mixes connection.
Further, described flexible hose have can be not by the artificial crooked or folding tubing of instrument, as wire flexible pipe, longitude and latitude webmaster or pvc pipe.
Further, described flexible hose is diameter 100mm to 500mm steel wire tube.
Further, described reperfusion serosity is concrete slurry, organic slurry or mixed serum.
Further, described reperfusion serosity is C30 to C50 concrete.
Also comprised the construction method of implementing flexible support, having comprised:
(1) according to design or underground construction section, by described flexible hose intercepting, be the flexible pipe of some equal lengths, and offer the small de-air hole of some or be connected with exhaust plant between two sections of flexible hoses at the middle part of intercepting flexible pipe, and processing interface device for casting;
(2) described flexible pipe is folding or afterwards crooked and interface device for casting is transported to underground construction assigned address;
(3) termination of joint device for casting and flexible hose is tightly connected, by special-purpose metal, overlap or wire is fixed on anchor pole or holdfast, under assisting by artificial or simple tool, flexible support is reached to design shape, the fill orifice of Grouting Pipe and joint device for casting is tightly connected; Or first described flexible pipe is fixed on anchor pole or holdfast by metallic sheath or wire, under assisting by artificial or simple tool by described hose forming, the termination of joint device for casting and flexible hose is tightly connected, the fill orifice of Grouting Pipe and joint device for casting is tightly connected again;
(4) by slip casting facility, adopt pouring method perfusion core slurries, and shutoff in time, guarantee filling effect;
(5) repeating step (3)-(4) form the flexible support of design;
(6) core slurries solidify, and reach some strength, form rigid support, supporting country rock.
The present invention has following beneficial effect:
1. flexible hose line density is lighter, easily crooked or folding, is easy to transport in the underground space, can by artificial or simple tool, assist the lower corresponding shape that forms according to design or underground construction section after arriving assigned address.
2. adopt anchor pole or holdfast and wire or special hose cover that the flexible support having combined is fixed on country rock wall, reach design shape, mounting process is simple, and labour intensity is low.
3. after core slurries solidify, flexible support becomes the rigid support that Rigidity and strength is larger, supporting country rock.
Accompanying drawing explanation
Fig. 1 is flexible support structure chart
Fig. 2 is closing flexible carriage interface grouting device structural representation
Fig. 3 is semiclosed flexible support interface grouting device structural representation
Fig. 4 is the flexible pipe with steam vent
Fig. 5 is closing flexible rack forming and perfusion schematic diagram
Fig. 6 is semiclosed flexible support moulding and two ends perfusion schematic diagram
Fig. 7 is semiclosed flexible support moulding and one end perfusion schematic diagram
Fig. 8 is interface exhaust plant schematic diagram
Fig. 9 is that flexible pipe fixed form and two ends are fixed
Figure 10 is that flexible pipe fixed form and one end are fixed
The specific embodiment
Referring to accompanying drawing 1, the present invention proposes a kind of underground filling type flexible support, different from existing rigid metal support, to adopt flexible hose 1 for rack body, by underground mechanical reperfusion serosity, complete support and install, after slurries solidify, form the higher rigid support of intensity, supported laneway country rock.
Described flexible support mainly fills 2 by the perfusion of flexible hose 1 and interface and puts and form, the small de-air hole 11 of some is offered at the middle part of described soft flexible pipe, first described interface device for casting 2 is tightly connected with the termination 12 of flexible hose 1, by anchor pole or holdfast and special-purpose metal cover or wire 4, flexible hose 1 is fixed on country rock wall again, or first flexible hose 1 is fixed on country rock wall by anchor pole or holdfast and special-purpose metal cover or wire 4, again described interface device for casting 2 and the termination 12 of flexible hose 1 are tightly connected, and carry out slip casting by fill orifice 22.
Described support is shaped as sealing horseshoe set, and described interface device for casting 2 is T-shaped structure, two end interfaces 21 and upper end fill orifice 22, consists of, and described interface 21 is tightly connected with flexible pipe 1 two ends, and described fill orifice 22 is tightly connected with Grouting Pipe.
The material of described flexible hose 1 is wire flexible pipe or longitude and latitude webmaster.
Described slip casting is concrete slurry, organic slurry or mixed serum.
After described flexible hose 1 moulding, by truss or wire, be fixed on anchor pole or holdfast.
Described flexible hose is diameter 200mm steel wire tube, and grouting serous fluid is C40 core concrete.
Wherein, described support shape can also be semiclosed stalk semicircular arch support, described interface device for casting 2 also further comprises interface slip casting termination and interface termination, described interface slip casting termination is T-shaped structure, by upper end interface 21, lower end closed termination 23 and side fill orifice 22, formed, described interface termination is comprised of upper end interface 21 and lower end closed termination 23, and described two interfaces 21 are tightly connected respectively at flexible pipe 1 termination, and described fill orifice 22 is tightly connected with Grouting Pipe.
Wherein, the steam vent 11 that exhaust plant 3 replaces flexible pipe middle part to offer can also be set, and described exhaust plant 3 is T shape structure, comprises two end interfaces 31 and upper end exhaust opening 32, described two end interfaces 31 are connected with one section of flexible hose end part seal respectively, described upper end exhaust opening 32 Exhaust Gas.
The present embodiment has also comprised the construction method of implementing flexible support:
(1) according to design or underground construction section, by described flexible hose intercepting, be the flexible pipe 1 of some equal lengths, and offer the small de-air hole 11 of some or be connected with exhaust plant 3 between two sections of flexible hoses at the middle part of intercepting flexible pipe, and processing interface device for casting 2;
(2) described flexible pipe 1 is folding or afterwards crooked and interface device for casting 2 is transported to underground construction assigned address;
(3) first described interface device for casting 2 is tightly connected with the termination 12 of flexible hose 1, by anchor pole or holdfast and special-purpose metal cover or wire 4, flexible hose 1 is fixed on country rock wall again, or first flexible hose 1 is by anchor pole or holdfast and special-purpose metal overlaps or wire 4 is fixed on country rock wall, described interface device for casting 2 and the termination 12 of flexible hose 1 are tightly connected, the fill orifice 22 of Grouting Pipe and interface device for casting is tightly connected again;
(4) by slip casting facility, adopt pouring method perfusion core slurries, and shutoff in time, guarantee filling effect;
(5) repeating step (3)-(4) form the flexible support of design;
(6) core slurries solidify, and reach some strength, form rigid support, supporting country rock.
When described support is shaped as semiclosed stalk semicircular arch support, slip casting can adopt two ends slip casting, also can adopt one end slip casting.
Wherein the number of injected hole is 3.
Referring to accompanying drawing 9-10, wire 4 can be by flexible pipe 1 is fixing after two anchor pole tensionings, also can be by walking around fixedly flexible pipe 1 of same anchor pole.
The above; it is only the preferred embodiment of the present invention; but protection scope of the present invention is not limited to this; those skilled in the art should understand that; in the situation that do not depart from principle of the present invention and the spirit that is limited its scope by claim and equivalent thereof; can modify and perfect to these embodiment, these modifications and improve also should be in protection scope of the present invention.
Claims (10)
1. a underground filling type flexible support, it is characterized in that, described flexible support is mainly comprised of flexible hose and interface device for casting, the middle part of described soft flexible pipe is offered the steam vent of some or be connected with exhaust plant between two sections of flexible hose, and the termination of described interface device for casting and flexible hose is tightly connected.
2. flexible support according to claim 1, it is characterized in that, by anchor pole or holdfast and special-purpose metal cover or wire, flexible support is fixed on country rock wall, by interface device for casting, carry out reperfusion serosity, after slurries solidify, flexible support becomes rigid support, supporting country rock.
3. flexible support according to claim 1, is characterized in that, described exhaust plant is T shape structure, comprises two end joints and upper end exhaust opening, and described two end joints are connected with one section of flexible hose end part seal respectively, described upper end exhaust opening Exhaust Gas.
4. flexible support according to claim 1, it is characterized in that, described support is shaped as sealing horseshoe set, described joint device for casting is T-shaped structure, by two end interfaces and upper end fill orifice, formed, described interface and flexible pipe two ends are tightly connected, and described fill orifice and Grouting Pipe are tightly connected, and form closing flexible support.
5. flexible support according to claim 1, it is characterized in that, described support is shaped as semiclosed stalk semicircular arch support, described joint device for casting comprises interface slip casting termination and interface termination, described interface slip casting termination is T-shaped structure, by upper end interface, lower end closed termination and side fill orifice, formed, described interface termination is comprised of upper end interface and lower end closed termination, described two interfaces are tightly connected respectively at hose end, described fill orifice and Grouting Pipe are tightly connected, and form closing flexible support.
6. according to the flexible support described in claim 4 or 5, it is characterized in that, described flexible hose have can be not by the artificial crooked or folding tubing of instrument, as wire flexible pipe, longitude and latitude webmaster or pvc pipe.
7. flexible support according to claim 2, is characterized in that, described reperfusion serosity is concrete slurry, organic slurry or mixed serum.
8. flexible support according to claim 1, is characterized in that, described in the mode of being tightly connected be that bonding connection, mechanical connection or mix connects.
9. flexible support according to claim 1, is characterized in that, described flexible hose is diameter 100mm to 500mm steel wire tube.
10. flexible support according to claim 2, is characterized in that, described reperfusion serosity is C30 to C50 concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410258481.6A CN104061008B (en) | 2014-06-11 | 2014-06-11 | Underground perfusion type flexible support and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410258481.6A CN104061008B (en) | 2014-06-11 | 2014-06-11 | Underground perfusion type flexible support and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104061008A true CN104061008A (en) | 2014-09-24 |
| CN104061008B CN104061008B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410258481.6A Active CN104061008B (en) | 2014-06-11 | 2014-06-11 | Underground perfusion type flexible support and construction method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500109A (en) * | 2014-12-19 | 2015-04-08 | 北京瑞诺安科新能源技术有限公司 | Underground support pillar and construction method thereof |
| CN105604579A (en) * | 2016-03-04 | 2016-05-25 | 张超 | Bridge-tunnel strengthening member insert type grouting device and grouting method |
| CN105697032A (en) * | 2016-03-04 | 2016-06-22 | 李学彬 | Support method |
| CN105781596A (en) * | 2016-03-04 | 2016-07-20 | 李学彬 | Flexible support and supporting method |
| CN106801611A (en) * | 2015-11-26 | 2017-06-06 | 山东科技大学 | A kind of deep tunnel supporting new concrete support |
| CN109489922A (en) * | 2018-11-15 | 2019-03-19 | 华北科技学院 | It is a kind of for testing the experimental rig of flexible support mechanical property |
| CN110424990A (en) * | 2019-07-11 | 2019-11-08 | 华北科技学院 | A kind of driving poured support construction equipment and method |
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| US4263005A (en) * | 1977-10-13 | 1981-04-21 | Vereinigte Osterreichische Eisen-Und Stahlwerke - Alphine Montan Aktiengesellschaft | Device for provisionally consolidating a gallery and suitable consolidating frame |
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| CN204253069U (en) * | 2014-06-11 | 2015-04-08 | 李学彬 | A kind of underground filling type flexible support |
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| US4263005A (en) * | 1977-10-13 | 1981-04-21 | Vereinigte Osterreichische Eisen-Und Stahlwerke - Alphine Montan Aktiengesellschaft | Device for provisionally consolidating a gallery and suitable consolidating frame |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500109A (en) * | 2014-12-19 | 2015-04-08 | 北京瑞诺安科新能源技术有限公司 | Underground support pillar and construction method thereof |
| CN106801611A (en) * | 2015-11-26 | 2017-06-06 | 山东科技大学 | A kind of deep tunnel supporting new concrete support |
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| CN105697032A (en) * | 2016-03-04 | 2016-06-22 | 李学彬 | Support method |
| CN105781596A (en) * | 2016-03-04 | 2016-07-20 | 李学彬 | Flexible support and supporting method |
| CN105697032B (en) * | 2016-03-04 | 2019-01-01 | 华北科技学院 | A kind of method for protecting support |
| CN109489922A (en) * | 2018-11-15 | 2019-03-19 | 华北科技学院 | It is a kind of for testing the experimental rig of flexible support mechanical property |
| CN110424990A (en) * | 2019-07-11 | 2019-11-08 | 华北科技学院 | A kind of driving poured support construction equipment and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104061008B (en) | 2017-05-17 |
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Effective date of registration: 20231226 Address after: 710086 No. 1, Fengquan Road, Fengdong new town, Xixian New District, Xi'an City, Shaanxi Province Patentee after: Shaanxi Tongren applied material Co.,Ltd. Address before: 100083 Beijing City, Haidian District Institute of Rutosids No. 11 Patentee before: Li Xuebin |
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