CN203878532U - Processing structure for deep, steep and inclined fault crack - Google Patents
Processing structure for deep, steep and inclined fault crack Download PDFInfo
- Publication number
- CN203878532U CN203878532U CN201420186290.9U CN201420186290U CN203878532U CN 203878532 U CN203878532 U CN 203878532U CN 201420186290 U CN201420186290 U CN 201420186290U CN 203878532 U CN203878532 U CN 203878532U
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- consolidation grouting
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- 238000007596 consolidation process Methods 0.000 claims abstract description 22
- 239000004567 concrete Substances 0.000 claims abstract description 11
- 238000009412 basement excavation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 12
- 238000003672 processing method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010008 shearing Methods 0.000 description 3
- 238000003325 tomography Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model discloses a processing structure for a deep, steep and inclined fault crack. The processing structure is used for processing the fault crack (1). The processing structure is characterized in that one or more crack processing holes (2) are excavated at intervals in the extension direction of the fault crack (1), consolidation grouting holes (3) used for carrying out high-pressure consolidation grouting are formed in the crack processing holes (2), and the crack processing holes (2) are backfilled with backfill concrete (4). According to the processing structure, the structure combining high-pressure consolidation grouting with shear-resisting holes is adopted, investment is saved, construction difficulty is low, construction interference is small, and the processing effect is good. The processing structure provides an economical and feasible processing method for the deep, steep and inclined fault crack, and is wide in application prospect.
Description
Technical field
The utility model relates to a kind of for deep layer high-angle fault crack processing method, particularly a kind of for deep layer high-angle fault crack processing structure, belongs to Hydraulic and Hydro-Power Engineering dam technical field.
Background technology
In Hydraulic and Hydro-Power Engineering, the deep layer high-angle fault crack connection rate that arch dam two sides dam abutment massif is grown is higher, and physical and mechanical parameter is low, affects dam abutment, stability of slope, needs consolidation process.Conventional treatment measures have prestress anchorage cable, concrete hole plug etc.Because cranny development is darker apart from ground surface, construction prestressed cable difficulty, construction quality are difficult to control, and construction investment is large.And along tomography, fissure-plane excavation well slot, difficulty of construction is large.Therefore two kinds of methods are not all the optimal processing methods in deep layer high-angle fault crack.
Utility model content
The purpose of this utility model is as overcoming the deficiencies in the prior art, provide a kind of and process structure for deep layer high-angle fault crack, can be by excavation processing hole, crack, hole inner high voltage consolidation grouting mode, filling deep layer high-angle fault crack, improve the physical and mechanical parameter in tomography, crack, thereby reach the object of reinforcing dam abutment, side slope.。
To achieve these goals, the utility model is by the following technical solutions: of the present utility modelly a kind ofly for deep layer high-angle fault crack, process structure, to move towards excavation processing hole, gateway opening type crack along fault crevice, in hole, be provided for the consolidation grouting hole of High Pressure Consolidation Grouting, carry out High Pressure Consolidation Grouting construction, then adopt fill concrete to carry out backfill to processing hole, crack.Processing hole, crack after backfill is as shearing resistance hole.
Processing hole, crack is along the layout of moving towards of fault crevice, and section is gateway opening type, and section is gateway opening type, and its size needs to determine according to construction, is generally preferably 3m * 4m (wide * height).One or more layers should be arranged according to Depth, site traffic situation in processing hole, crack.
Further, consolidation grouting hole is arranged along steep dip fissure-plane, hole depth L=15～30m, and pitch-row 2～4m, increases row according to fault influence zone, Fracture Width, is generally 2～3 rows.The maximum grouting pressure of High Pressure Consolidation Grouting is 2～3MPa.
The beneficial effects of the utility model are:
Compared with prior art, the utility model adopts the structure of High Pressure Consolidation Grouting and the combination of shearing resistance hole, investment compared with economizing, difficulty of construction is little, construction is disturbed less, treatment effect is good.Be a kind of economically viable deep layer high-angle fault crack processing method, have broad application prospects.
Accompanying drawing explanation
Fig. 1 is that wide open dig and consolidation grouting hole is arranged and illustrated intention processed in crack of the present utility model;
Fig. 2 is processing hole, crack of the present utility model fill concrete schematic diagram.
Description of reference numerals: 1-fault crevice, processing hole, 2-crack, 3-consolidation grouting hole, 4-fill concrete.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
First see Fig. 1, of the present utility model this for Arch Dam Abutment fault crevice processing structure, it is the fault crevice 1 for the treatment of arch dam spandrel, comprise processing hole, crack 2, consolidation grouting hole 3, fill concrete 4, wherein the growth line alignment perpendicular to fault crevice 1 excavates processing hole, a plurality of gateway opening types crack 2 (being shown as two in figure), in processing hole, crack 2, be drilled with the consolidation grouting hole 3 horizontal high voltage consolidation grouting of going forward side by side, consolidation grouting hole 3 connects adjacent processing holes, two cracks 2.
See Fig. 2, after grouting completes, fill concrete 4 constructions are carried out in processing hole, crack 2.
When specifically implementing, the utility model mainly carries out in accordance with the following steps:
The first step: the excavation that moves towards along fault crevice 1 forms processing hole, crack 2, and section is gateway opening type, and its size needs to determine according to construction, is generally 3m * 4m (wide * height).
Second step: the interior growth face along fault crevice 1 is arranged consolidation grouting hole 3 in processing hole, crack 2, hole depth L=15～30m, pitch-row 2～4m, increases row according to fault influence zone, Fracture Width, is generally 2～3 rows.
The 3rd step: at the interior enforcement High Pressure Consolidation Grouting in processing hole, crack 2, maximum grouting pressure is 2～3MPa.
The 4th step: according to requirement of engineering, processing hole, crack 2 use fill concretes 4 are carried out to backfill processing, use as shearing resistance hole to the interior fill concrete 4 in processing hole, crack 2 along river simultaneously.
Certainly, be more than concrete exemplary applications of the present utility model, the utility model also has other embodiment, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, within all dropping on the desired protection domain of the utility model.
Claims (4)
1. for deep layer high-angle fault crack, process structure for one kind, for the treatment of fault crevice (1), it is characterized in that: the alternation excavation that moves towards along fault crevice (1) is provided with processing hole, more than one crack (2), and in processing hole, crack (2), be provided with for carrying out the consolidation grouting hole (3) of High Pressure Consolidation Grouting.
2. according to claim 1 for deep layer high-angle fault crack processing structure, it is characterized in that: in processing hole, described crack (2), with fill concrete (4), carries out backfill.
3. according to claim 1 for deep layer high-angle fault crack processing structure, it is characterized in that: processing hole, described crack (2) is gateway opening type section, and its wide * height is of a size of 3m * 4m.
4. according to claim 1 for deep layer high-angle fault crack processing structure, it is characterized in that: described consolidation grouting hole (3) is arranged along steep dip fissure-plane, hole depth L=15 ~ 30m, pitch-row 2 ~ 4m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186290.9U CN203878532U (en) | 2014-04-17 | 2014-04-17 | Processing structure for deep, steep and inclined fault crack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186290.9U CN203878532U (en) | 2014-04-17 | 2014-04-17 | Processing structure for deep, steep and inclined fault crack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203878532U true CN203878532U (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420186290.9U Expired - Lifetime CN203878532U (en) | 2014-04-17 | 2014-04-17 | Processing structure for deep, steep and inclined fault crack |
Country Status (1)
| Country | Link |
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| CN (1) | CN203878532U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149631A (en) * | 2016-07-31 | 2016-11-23 | 中水东北勘测设计研究有限责任公司 | High mountain strid arch dam avalanche type Slope Treatment method |
| CN109440790A (en) * | 2018-11-30 | 2019-03-08 | 中国电建集团华东勘测设计研究院有限公司 | The deep understable high rock slope comprehensive strengthening method of off-load |
| CN109837914A (en) * | 2019-03-12 | 2019-06-04 | 中国电建集团中南勘测设计研究院有限公司 | A kind of slope reinforcement system |
| CN110344430A (en) * | 2019-08-01 | 2019-10-18 | 黄河勘测规划设计研究院有限公司 | The buried weak intercalated layer processing method of nearly horizontal distribution in Dam Foundation Rock |
-
2014
- 2014-04-17 CN CN201420186290.9U patent/CN203878532U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149631A (en) * | 2016-07-31 | 2016-11-23 | 中水东北勘测设计研究有限责任公司 | High mountain strid arch dam avalanche type Slope Treatment method |
| CN106149631B (en) * | 2016-07-31 | 2018-06-12 | 中水东北勘测设计研究有限责任公司 | High mountain strid arch dam avalanche type Slope Treatment method |
| CN109440790A (en) * | 2018-11-30 | 2019-03-08 | 中国电建集团华东勘测设计研究院有限公司 | The deep understable high rock slope comprehensive strengthening method of off-load |
| CN109440790B (en) * | 2018-11-30 | 2024-01-26 | 中国电建集团华东勘测设计研究院有限公司 | Comprehensive reinforcement method for deep unloading understable rock high slope |
| CN109837914A (en) * | 2019-03-12 | 2019-06-04 | 中国电建集团中南勘测设计研究院有限公司 | A kind of slope reinforcement system |
| CN110344430A (en) * | 2019-08-01 | 2019-10-18 | 黄河勘测规划设计研究院有限公司 | The buried weak intercalated layer processing method of nearly horizontal distribution in Dam Foundation Rock |
| CN110344430B (en) * | 2019-08-01 | 2021-04-23 | 黄河勘测规划设计研究院有限公司 | Method for processing deep-buried weak interlayer distributed nearly horizontally in dam foundation rock mass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |