CN109235461A - A kind of method of the anti-avalanche of karst topography area limestone massif - Google Patents
A kind of method of the anti-avalanche of karst topography area limestone massif Download PDFInfo
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- CN109235461A CN109235461A CN201811026535.0A CN201811026535A CN109235461A CN 109235461 A CN109235461 A CN 109235461A CN 201811026535 A CN201811026535 A CN 201811026535A CN 109235461 A CN109235461 A CN 109235461A
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- avalanche
- crack
- rock mass
- massif
- rock
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Early period checks in massif, massif slope surface there are the rock mass of avalanche danger, first passes through conventional mode and handles, removed obviously loosening lithosome, removes the lithosome that will be fallen off.For there are avalanche, avalanche are dangerous, but the rock mass that can not be fallen in a short time, hydrodynamic condition, weather conditions, existing crack situation, existing support situation according to locating for it, around there are cave channel cases to choose correspondence controlling mode.When taking controlling mode need consider under identical crack condition, hydrodynamic condition, weather conditions early period will not avalanche, avalanche rock mass, but the crack after developing after a period of time of the limestone due to forming massif is etched expansion, is etched and takes away there are substance near avalanche, avalanche rock mass, and so that rock is lost support will lead to rock mass generation avalanche, avalanche danger.The measure of prevention and treatment limestone slope collapes has, and the hydrothermal condition for blocking rock that may be etched fills existing crack blocks moisture and enters erosion rock mass, sets up support in significant points such as cave channels.
Description
Technical field
Karst region hazards control engineering.
Background technique
Karst is widely distributed in the world, also takes up critical role in Karst In China, is distribution in China area ratio
Wide geomorphic type, especially in the southwest of China, Karst Landform Process In Mid is especially typical.In widely distributed noise made in coughing or vomiting
This special zone domain participates in all kinds of massifs formed by the limestone of one of the main rock of Karst Landform Process In Mid, rock mass largely divides
Cloth is near all kinds of scenic spots, residential area.Since limestone is highly prone to corrode in the good situation of the conditions such as water, heat, biology,
Expand the constructions such as original joint, crack, cave channel, forms some uphang in portions such as mountain top, massif slope surface, valley palisades
The Dangerous Rock Body of position.These Dangerous Rock Bodies may fall to the foot of a mountain, scenic spot, residential area in the uncertain time, endanger the life of the mankind
Order safety and property safety.The processing of comparative maturity at present and the method for prevention slope collapes, improvement slope collapes all mainly exist
Under the rocks distributional environment such as granite, basalt, shale, the content for being related to the prevention and treatment of cave channel is less, is being directed to karst stone
The method that avalanche is prevented and treated under the special environment of limestone is incomplete.
Summary of the invention
It checks that there are the rock mass of avalanche danger early period in massif, massif slope surface, first passes through conventional mode and handle, remove
Lithosome is obviously loosened, the lithosome that will be fallen off is removed.
For there are avalanche, avalanche are dangerous, but the rock mass that can not be fallen in a short time, the hydrodynamic force item according to locating for it
There are cave channel cases to choose corresponding controlling mode for part, weather conditions, existing crack situation, existing support situation, surrounding.
It needs to consider that early period will not avalanche, avalanche under identical crack condition, hydrodynamic condition, weather conditions when taking controlling mode
Rock mass, but since the limestone of composition massif is etched that expansion, there are avalanches, avalanche in crack after developing after a period of time
Substance, which is etched, near rock mass takes away, and so that rock is lost support will lead to rock mass generation avalanche, avalanche danger.
The measure of prevention and treatment limestone slope collapes has, and the hydrothermal condition for blocking rock that may be etched fills existing crack
Blocks moisture enters erosion rock mass, sets up support in significant points such as cave channels.
Block hydrothermal condition: close to crack, cave channel a distance near there are the rock mass of avalanche, avalanche danger,
It excavates groove or sets up water blocking wall, preventing a large amount of rainwater, flowing water from entering, there are the rock mass of avalanche danger to erode to it.
Can also there are avalanche, the rock mass top of avalanche danger and crack, cave passage proximate cover water blocking member, prevention and treatment rainwater,
Largely entering for flowing water, erodes limestone.
Fill existing crack: the filled solid material inside there are the rock fracture of avalanche, avalanche danger, prevent moisture into
Enter the further erosion to Limestone Nature rock mass.The size for needing to consider crack when filling chooses the material of filling.For splitting
The excessive situation in gap space, it should which preferential selection carries out covering blocking to crack, to reduce the cost of filling.
It sets up support: in the case of super larger for crack super large, cave volume, needing to set up support in inside to cooperate resistance
Gear, covering, filling facility, reduce cost, can reach the corresponding purpose for stopping moisture to enter, reach prevention and treatment rock mass and collapse
It collapses, the purpose of avalanche.
Prevention and treatment rock mass size: less than 50cm × 50cm × 50cm volume rock mass makes it fall off using conventional method；It is greater than
50cm × 50cm × 50cm volume and to be less than 200cm × 200cm × 200cm volume rock mass locating on massif according to rock mass
Position, transportation condition, the selections such as condition of construction whether is facilitated still to use three kinds of above-mentioned modes using usual manner；It is greater than
200cm × 200cm × 200cm volume rock mass removes special circumstances, is all proposed with above-mentioned three kinds of modes.
Rock cranny size: width is less than the crack 1.5cm and is filled using cement mortar；Width is greater than 1.5cm and is less than 30cm
Crack is reinforced using cement mortar and stone filling；Width is greater than 30cm and is less than the crack 50cm or cave selection cement mortar and stone
End entrance covers closed installation in block filling or crack；Width is greater than end entrance covering envelope on the selection crack of the crack 50cm or more
Close facility and support combination.Crack is other than considering width, according to rock mass size it should also be taken into account that length and depth.
Detailed description of the invention:
Attached drawing 1 is mountain top top rock mass the case where there are the rock mass of avalanche danger
Wherein 1, Dangerous Rock Body；2, massif top；3, massif lower part；11, geosutures
Attached drawing 2 is massif slope surface the case where there are the rock mass of avalanche danger
Wherein 1, Dangerous Rock Body；2, massif top；3, massif lower part；11, geosutures
Specific embodiment:
Embodiment 1, as shown in Fig. 1, massif is divided into top 2 and lower part 3, has a Dangerous Rock Body 1, Dangerous Rock Body 1 on massif top
There are cracks 11 between top massif 2.Dangerous Rock Body 1 is mainly made of limestone with top massif 2, due to there are crack 11,
If crack 11 will continue to develop under the long term of rainwater or flowing water, to cause crack to expand, last Dangerous Rock Body 11 with
Enough connection supports, 1 avalanche of Dangerous Rock Body are lost between the massif of top.Dangerous Rock Body 1 is because continuing development expansion in crack in order to prevent
Caused by it is dangerous, waterwall is set in 2 side of upper end top massif in crack 11, is also provided in crack upper end Dangerous Rock Body side
Intercepting ditch guidance rainwater flows to elsewhere, to guarantee that the water in 2 direction of rainwater and top massif is not continuing to corrode already present split
Gap 11, so that Dangerous Rock Body 1 be protected to trigger dangerous possibility.
Embodiment 2, as shown in Fig. 2, massif is divided into top 2 and lower part 3, there is Dangerous Rock Body 1, crag in massif slope surface
There are cracks 11 between body 1 and massif slope surface.Dangerous Rock Body 1 is mainly made of limestone with massif slope surface, due to there are crack 11,
If crack 11 will continue to develop under the long term of rainwater or flowing water, to cause crack to expand, it is logical to form large-scale cave
The construction such as road loses enough connection supports, 1 avalanche of Dangerous Rock Body between last Dangerous Rock Body 1 and massif slope surface.Crag in order to prevent
Body 1 continues danger caused by development expands because of crack, after 11 inside filling concrete mortar of crack, cement mortar filling solidification
Crack 11 is closed, and rainwater and 2 water of massif top limit the corrosion function in crack 11, prevent crack 11 after supervention
It educates, so that Dangerous Rock Body 1 be protected to trigger dangerous possibility.
Claims (3)
1. a kind of method of the anti-avalanche of karst topography area limestone massif, including screening, filling/covering/support, feature exist
In: there are the rock mass in crack or cave channel, are less than 50cm × 50cm × 50cm volume crag using conventional and remove danger method,
Prevent rock mass from collapsing by the way of filled opening/covering crack/setting support greater than 50cm × 50cm × 50cm volume rock mass
It collapses, avalanche.
2. a kind of method of the anti-avalanche of karst topography area limestone massif according to claim 1, it is characterised in that: wide
Degree is less than the crack 1.5cm and is filled using cement mortar；Width is greater than 1.5cm and is filled out less than the crack 30cm using cement mortar and stone
Fill reinforcing；Width is greater than 30cm and is less than end entrance on the crack 50cm or cave channel selection cement mortar and stone filling or crack
Cover closed installation；Width be greater than the crack 50cm or more selection crack on end entrance covering closed installation with set up in conjunction with support phase
Mode.
3. a kind of according to claim 1, method of the anti-avalanche of karst topography area limestone massif described in 2, it is characterised in that:
It is greater than 50cm × 50cm × 50cm volume when filling and is less than 200cm × 200cm × 200cm volume rock mass and is existed according to rock mass
Whether location, transportation condition on massif facilitate the selections such as construction still to use filling concrete mortar using usual manner；
Special circumstances are removed greater than 200cm × 200cm × 200cm volume rock mass, using filling concrete mortar or set up the side of support
Formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026535.0A CN109235461A (en) | 2018-09-04 | 2018-09-04 | A kind of method of the anti-avalanche of karst topography area limestone massif |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026535.0A CN109235461A (en) | 2018-09-04 | 2018-09-04 | A kind of method of the anti-avalanche of karst topography area limestone massif |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109235461A true CN109235461A (en) | 2019-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811026535.0A Pending CN109235461A (en) | 2018-09-04 | 2018-09-04 | A kind of method of the anti-avalanche of karst topography area limestone massif |
Country Status (1)
| Country | Link |
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| CN (1) | CN109235461A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900582A (en) * | 2021-01-20 | 2021-06-04 | 中国地质科学院地质力学研究所 | Water intercepting and draining structure and method for deep large fracture part on surface of rocky slope body |
| CN115821888A (en) * | 2022-11-29 | 2023-03-21 | 中国海洋大学 | Method for repairing sea corrosion column |
-
2018
- 2018-09-04 CN CN201811026535.0A patent/CN109235461A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900582A (en) * | 2021-01-20 | 2021-06-04 | 中国地质科学院地质力学研究所 | Water intercepting and draining structure and method for deep large fracture part on surface of rocky slope body |
| CN115821888A (en) * | 2022-11-29 | 2023-03-21 | 中国海洋大学 | Method for repairing sea corrosion column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190118 |
|
| WD01 | Invention patent application deemed withdrawn after publication |