CN113668572A - Collapse dangerous rock treatment construction method - Google Patents
Collapse dangerous rock treatment construction method Download PDFInfo
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- CN113668572A CN113668572A CN202110928825.XA CN202110928825A CN113668572A CN 113668572 A CN113668572 A CN 113668572A CN 202110928825 A CN202110928825 A CN 202110928825A CN 113668572 A CN113668572 A CN 113668572A
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- 239000011435 rock Substances 0.000 title claims abstract description 32
- 238000010276 construction Methods 0.000 title claims abstract description 26
- 239000010410 layer Substances 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000011241 protective layer Substances 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 238000009966 trimming Methods 0.000 claims abstract description 8
- 238000009991 scouring Methods 0.000 claims abstract description 4
- 239000002689 soil Substances 0.000 claims description 30
- 239000000843 powder Substances 0.000 claims description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 239000004925 Acrylic resin Substances 0.000 claims description 7
- 229920000178 Acrylic resin Polymers 0.000 claims description 7
- 241000960320 Agriophyllum squarrosum Species 0.000 claims description 7
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 7
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 7
- 244000060011 Cocos nucifera Species 0.000 claims description 7
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 7
- 235000011613 Pinus brutia Nutrition 0.000 claims description 7
- 241000018646 Pinus brutia Species 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 7
- 239000011398 Portland cement Substances 0.000 claims description 7
- 239000001110 calcium chloride Substances 0.000 claims description 7
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 7
- 239000011707 mineral Substances 0.000 claims description 7
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 239000003415 peat Substances 0.000 claims description 7
- 239000010451 perlite Substances 0.000 claims description 7
- 235000019362 perlite Nutrition 0.000 claims description 7
- 239000002367 phosphate rock Substances 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- IIACRCGMVDHOTQ-UHFFFAOYSA-M sulfamate Chemical compound NS([O-])(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-M 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000004067 bulking agent Substances 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 239000005543 nano-size silicon particle Substances 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 239000011863 silicon-based powder Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 229910021487 silica fume Inorganic materials 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 239000008030 superplasticizer Substances 0.000 description 5
- 230000008961 swelling Effects 0.000 description 5
- 239000010903 husk Substances 0.000 description 4
- 239000005909 Kieselgur Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
- A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/23—Wood, e.g. wood chips or sawdust
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/25—Dry fruit hulls or husks, e.g. chaff or coir
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- E02D17/202—Securing of slopes or inclines with flexible securing means
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Abstract
The invention discloses a collapse dangerous rock treatment construction method, which comprises the following steps: A. cleaning a slope surface; B. slope surface trimming; C. laying a first layer of steel wire mesh; D. pouring a protective layer; E. laying a second layer of steel wire mesh; F. the construction method is simple in construction, can efficiently treat collapse dangerous rocks, enhances the overall strength and the anti-scouring capacity of the slope, and can reduce the probability of subsequent collapse.
Description
Technical Field
The invention relates to the technical field of collapse dangerous rock treatment, in particular to a collapse dangerous rock treatment construction method.
Background
At present, the collapse dangerous rock is generally treated by a slope greening method, but the treatment effect is poor, and the risk of subsequent collapse is easy to appear, so that improvement is needed.
Disclosure of Invention
The invention aims to provide a collapse dangerous rock treatment construction method to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a collapse dangerous rock treatment construction method comprises the following steps:
A. cleaning a slope surface;
B. slope surface trimming;
C. laying a first layer of steel wire mesh;
D. pouring a protective layer;
E. laying a second layer of steel wire mesh;
F. laying ecological soil for protection.
Preferably, in the step A, the obstacles, sundries and gravels on the slope surface are cleaned and washed.
Preferably, in the step B, the projected and loosened rock soil is knocked down, and the concave part is filled by adopting concrete mortar.
Preferably, the first layer of steel wire mesh in the step C is laid by the following method:
a. drilling a hole perpendicular to the slope surface by adopting an electric hammer, driving an anchor, and laying a galvanized crocheted wire mesh;
b. laying wire netting sheets from top to bottom from the top of a slope;
c. and the part of the contact part of the anchor is firmly bound with the anchor by adopting an iron wire.
Preferably, the protective layer in the step D comprises, by weight, 50-70 parts of portland cement, 10-20 parts of superfine mineral powder, 5-15 parts of calcium chloride, 4-10 parts of metakaolin, 10-20 parts of diatomite, 2-6 parts of polypropylene fiber, 2-4 parts of sulfamate high-efficiency water reducing agent, 10-20 parts of bulking agent, 6-10 parts of acrylic resin, 6-10 parts of micro silicon powder and 3-9 parts of nano silicon dioxide.
Preferably, the casting thickness of the protective layer in the step D is 20mm-30 mm.
Preferably, the second layer of steel wire mesh in the step E is 14# galvanized crocheted wire mesh, and the mesh diameter of the wire mesh is 5-8 cm.
Preferably, in the step E, the second layer of wire mesh is fixed on the surface of the protective layer by high-strength screws.
Preferably, the ecological soil component in the step F comprises, by weight, 80-100 parts of planting soil, 20-30 parts of agriophyllum squarrosum, 5-10 parts of peat, 4-10 parts of coconut coir, 2-6 parts of pine scale, 10-20 parts of perlite powder and 5-10 parts of phosphate rock powder.
Compared with the prior art, the invention has the beneficial effects that: the construction method disclosed by the invention is simple in construction, can be used for efficiently treating collapse dangerous rocks, enhances the overall strength and the anti-scouring capability of the slope, and can also be used for reducing the probability of subsequent collapse; wherein, set up the adhesion strength that two-layer wire net can improve protective layer and ecological soil, follow-up obscission can not appear, further improve domatic intensity.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the invention provides the following technical scheme: a collapse dangerous rock treatment construction method comprises the following steps:
A. cleaning a slope surface;
B. slope surface trimming;
C. laying a first layer of steel wire mesh;
D. pouring a protective layer;
E. laying a second layer of steel wire mesh;
F. laying ecological soil for protection.
In this embodiment, in step a, the obstacles, impurities, and crushed stones on the slope are cleaned and then washed away.
In this embodiment, in the step B, the protruding and loose rock soil is knocked down, and the recessed portion is filled with concrete mortar.
In this embodiment, the first layer of steel wire mesh in step C is laid by the following method:
a. drilling a hole perpendicular to the slope surface by adopting an electric hammer, driving an anchor, and laying a galvanized crocheted wire mesh;
b. laying wire netting sheets from top to bottom from the top of a slope;
c. and the part of the contact part of the anchor is firmly bound with the anchor by adopting an iron wire.
In this embodiment, the protective layer in step D includes, by weight, 50 parts of portland cement, 10 parts of ultrafine mineral powder, 5 parts of calcium chloride, 4 parts of metakaolin, 10 parts of diatomaceous earth, 2 parts of polypropylene fiber, 2 parts of sulfamate-based superplasticizer, 10 parts of swelling agent, 6 parts of acrylic resin, 6 parts of silica fume, and 3 parts of nano-silica.
In this embodiment, the casting thickness of the protective layer in step D is 20 mm.
In this embodiment, the second layer of steel wire mesh in step E is made of 14# galvanized wire mesh with mesh diameter of 5 cm.
In this embodiment, in step E, the second layer of wire mesh is fixed to the surface of the protective layer by high-strength screws.
In the embodiment, the ecological soil component in the step F comprises, by weight, 80 parts of planting soil, 20 parts of agriophyllum squarrosum, 5 parts of peat, 4 parts of coconut husk, 2 parts of pine scale, 10 parts of perlite powder and 5 parts of phosphate rock powder.
Example two:
a collapse dangerous rock treatment construction method comprises the following steps:
A. cleaning a slope surface;
B. slope surface trimming;
C. laying a first layer of steel wire mesh;
D. pouring a protective layer;
E. laying a second layer of steel wire mesh;
F. laying ecological soil for protection.
In this embodiment, in step a, the obstacles, impurities, and crushed stones on the slope are cleaned and then washed away.
In this embodiment, in the step B, the protruding and loose rock soil is knocked down, and the recessed portion is filled with concrete mortar.
In this embodiment, the first layer of steel wire mesh in step C is laid by the following method:
a. drilling a hole perpendicular to the slope surface by adopting an electric hammer, driving an anchor, and laying a galvanized crocheted wire mesh;
b. laying wire netting sheets from top to bottom from the top of a slope;
c. and the part of the contact part of the anchor is firmly bound with the anchor by adopting an iron wire.
In this embodiment, in the step D, the protective layer includes, by weight, 70 parts of portland cement, 20 parts of ultrafine mineral powder, 15 parts of calcium chloride, 10 parts of metakaolin, 20 parts of diatomite, 6 parts of polypropylene fiber, 4 parts of sulfamate-based superplasticizer, 20 parts of swelling agent, 10 parts of acrylic resin, 10 parts of silica fume, and 9 parts of nano-silica.
In this embodiment, the casting thickness of the protective layer in step D is 30 mm.
In this embodiment, the second layer of steel wire mesh in step E is made of 14# galvanized wire mesh with mesh diameter of 8 cm.
In this embodiment, in step E, the second layer of wire mesh is fixed to the surface of the protective layer by high-strength screws.
In the embodiment, the ecological soil component in the step F comprises, by weight, 100 parts of planting soil, 30 parts of agriophyllum squarrosum, 10 parts of peat, 10 parts of coconut husk, 6 parts of pine scale, 20 parts of perlite powder and 10 parts of phosphate rock powder.
Example three:
a collapse dangerous rock treatment construction method comprises the following steps:
A. cleaning a slope surface;
B. slope surface trimming;
C. laying a first layer of steel wire mesh;
D. pouring a protective layer;
E. laying a second layer of steel wire mesh;
F. laying ecological soil for protection.
In this embodiment, in step a, the obstacles, impurities, and crushed stones on the slope are cleaned and then washed away.
In this embodiment, in the step B, the protruding and loose rock soil is knocked down, and the recessed portion is filled with concrete mortar.
In this embodiment, the first layer of steel wire mesh in step C is laid by the following method:
a. drilling a hole perpendicular to the slope surface by adopting an electric hammer, driving an anchor, and laying a galvanized crocheted wire mesh;
b. laying wire netting sheets from top to bottom from the top of a slope;
c. and the part of the contact part of the anchor is firmly bound with the anchor by adopting an iron wire.
In this embodiment, in the step D, the protective layer includes, by weight, 55 parts of portland cement, 12 parts of ultrafine mineral powder, 7 parts of calcium chloride, 5 parts of metakaolin, 12 parts of diatomite, 3 parts of polypropylene fiber, 3 parts of sulfamate-based superplasticizer, 12 parts of swelling agent, 7 parts of acrylic resin, 7 parts of micro-silica powder, and 4 parts of nano-silica.
In this embodiment, the casting thickness of the protective layer in step D is 22 mm.
In this embodiment, the second layer of steel wire mesh in step E is made of 14# galvanized wire mesh with mesh diameter of 6 cm.
In this embodiment, in step E, the second layer of wire mesh is fixed to the surface of the protective layer by high-strength screws.
In the embodiment, the ecological soil component in the step F comprises 85 parts of planting soil, 22 parts of agriophyllum squarrosum, 6 parts of peat, 5 parts of coconut coir, 3 parts of pine scales, 12 parts of perlite powder and 6 parts of phosphate rock powder by weight.
Example four:
a collapse dangerous rock treatment construction method comprises the following steps:
A. cleaning a slope surface;
B. slope surface trimming;
C. laying a first layer of steel wire mesh;
D. pouring a protective layer;
E. laying a second layer of steel wire mesh;
F. laying ecological soil for protection.
In this embodiment, in step a, the obstacles, impurities, and crushed stones on the slope are cleaned and then washed away.
In this embodiment, in the step B, the protruding and loose rock soil is knocked down, and the recessed portion is filled with concrete mortar.
In this embodiment, the first layer of steel wire mesh in step C is laid by the following method:
a. drilling a hole perpendicular to the slope surface by adopting an electric hammer, driving an anchor, and laying a galvanized crocheted wire mesh;
b. laying wire netting sheets from top to bottom from the top of a slope;
c. and the part of the contact part of the anchor is firmly bound with the anchor by adopting an iron wire.
In this embodiment, in the step D, the protective layer includes, by weight, 65 parts of portland cement, 18 parts of ultrafine mineral powder, 13 parts of calcium chloride, 8 parts of metakaolin, 18 parts of diatomaceous earth, 5 parts of polypropylene fiber, 3 parts of sulfamate-based superplasticizer, 18 parts of swelling agent, 9 parts of acrylic resin, 9 parts of micro-silica powder, and 8 parts of nano-silica.
In this embodiment, the casting thickness of the protective layer in step D is 28 mm.
In this embodiment, the second layer of steel wire mesh in step E is made of 14# galvanized wire mesh with mesh diameter of 7 cm.
In this embodiment, in step E, the second layer of wire mesh is fixed to the surface of the protective layer by high-strength screws.
In the embodiment, the ecological soil component in the step F comprises 96 parts by weight of planting soil, 28 parts by weight of agriophyllum squarrosum, 9 parts by weight of peat, 8 parts by weight of coconut husk, 5 parts by weight of pine scale, 19 parts by weight of perlite powder and 9 parts by weight of phosphate rock powder.
Example five:
a collapse dangerous rock treatment construction method comprises the following steps:
A. cleaning a slope surface;
B. slope surface trimming;
C. laying a first layer of steel wire mesh;
D. pouring a protective layer;
E. laying a second layer of steel wire mesh;
F. laying ecological soil for protection.
In this embodiment, in step a, the obstacles, impurities, and crushed stones on the slope are cleaned and then washed away.
In this embodiment, in the step B, the protruding and loose rock soil is knocked down, and the recessed portion is filled with concrete mortar.
In this embodiment, the first layer of steel wire mesh in step C is laid by the following method:
a. drilling a hole perpendicular to the slope surface by adopting an electric hammer, driving an anchor, and laying a galvanized crocheted wire mesh;
b. laying wire netting sheets from top to bottom from the top of a slope;
c. and the part of the contact part of the anchor is firmly bound with the anchor by adopting an iron wire.
In this embodiment, in step D, the protective layer includes, by weight, 60 parts of portland cement, 15 parts of ultrafine mineral powder, 10 parts of calcium chloride, 7 parts of metakaolin, 15 parts of diatomaceous earth, 4 parts of polypropylene fiber, 3 parts of sulfamate-based superplasticizer, 15 parts of swelling agent, 8 parts of acrylic resin, 8 parts of silica fume, and 6 parts of nano-silica.
In this embodiment, the casting thickness of the protective layer in step D is 25 mm.
In this embodiment, the second layer of steel wire mesh in step E is made of 14# galvanized wire mesh with mesh diameter of 5-8 cm.
In this embodiment, in step E, the second layer of wire mesh is fixed to the surface of the protective layer by high-strength screws.
In the embodiment, the ecological soil component in the step F comprises 90 parts by weight of planting soil, 25 parts by weight of agriophyllum squarrosum, 8 parts by weight of peat, 7 parts by weight of coconut husk, 4 parts by weight of pine scale, 15 parts by weight of perlite powder and 8 parts by weight of phosphate rock powder.
In conclusion, the construction method disclosed by the invention is simple in construction, can be used for efficiently treating collapse dangerous rocks, enhancing the overall strength and the anti-scouring capability of the slope, and can be used for reducing the probability of subsequent collapse; wherein, set up the adhesion strength that two-layer wire net can improve protective layer and ecological soil, follow-up obscission can not appear, further improve domatic intensity.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A collapse dangerous rock treatment construction method is characterized in that: the method comprises the following steps:
A. cleaning a slope surface;
B. slope surface trimming;
C. laying a first layer of steel wire mesh;
D. pouring a protective layer;
E. laying a second layer of steel wire mesh;
F. laying ecological soil for protection.
2. The collapse dangerous rock governing construction method according to claim 1, characterized in that: and B, cleaning up the obstacles, sundries and gravels on the slope surface in the step A, and performing scouring treatment.
3. The collapse dangerous rock governing construction method according to claim 1, characterized in that: and B, knocking off the convex and loose rock and soil, and filling the concave part with concrete mortar.
4. The collapse dangerous rock governing construction method according to claim 1, characterized in that: the first layer of steel wire mesh laying method in the step C is as follows:
a. drilling a hole perpendicular to the slope surface by adopting an electric hammer, driving an anchor, and laying a galvanized crocheted wire mesh;
b. laying wire netting sheets from top to bottom from the top of a slope;
c. and the part of the contact part of the anchor is firmly bound with the anchor by adopting an iron wire.
5. The collapse dangerous rock governing construction method according to claim 1, characterized in that: the protective layer in the step D comprises, by weight, 50-70 parts of portland cement, 10-20 parts of superfine mineral powder, 5-15 parts of calcium chloride, 4-10 parts of metakaolin, 10-20 parts of diatomite, 2-6 parts of polypropylene fiber, 2-4 parts of sulfamate high-efficiency water reducing agent, 10-20 parts of bulking agent, 6-10 parts of acrylic resin, 6-10 parts of micro silicon powder and 3-9 parts of nano silicon dioxide.
6. The collapse dangerous rock governing construction method according to claim 5, characterized in that: and D, casting the protective layer with the thickness of 20-30 mm.
7. The collapse dangerous rock governing construction method according to claim 1, characterized in that: and D, adopting a No. 14 galvanized crocheted wire mesh as the second layer of steel wire mesh in the step E, wherein the mesh diameter of the wire mesh is 5-8 cm.
8. The collapse dangerous rock governing construction method according to claim 1, characterized in that: and E, fixing the second layer of steel wire mesh on the surface of the protective layer through high-strength screws.
9. The collapse dangerous rock governing construction method according to claim 1, characterized in that: and the ecological soil component in the step F comprises 80-100 parts of planting soil, 20-30 parts of agriophyllum squarrosum, 5-10 parts of peat, 4-10 parts of coconut coir, 2-6 parts of pine scale, 10-20 parts of perlite powder and 5-10 parts of ground phosphate rock according to parts by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110928825.XA CN113668572A (en) | 2021-08-13 | 2021-08-13 | Collapse dangerous rock treatment construction method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103270881A (en) * | 2013-06-06 | 2013-09-04 | 中国科学院武汉植物园 | Rapid ecological restoration method for rock-soil side slopes |
| CN205662932U (en) * | 2016-03-18 | 2016-10-26 | 长沙理工大学 | Kata -rocks matter slope ecological protection structure |
| CN110670607A (en) * | 2019-09-30 | 2020-01-10 | 西安绿岭生态环境股份有限公司 | Ecological restoration construction process |
| CN111173008A (en) * | 2020-01-20 | 2020-05-19 | 芜湖海螺水泥有限公司 | Ecological restoration method for joint development high and steep rocky slope |
| CN112482402A (en) * | 2020-11-05 | 2021-03-12 | 河南省恒丰集成技术有限责任公司 | Construction method for greening ecological soil slope protection |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103270881A (en) * | 2013-06-06 | 2013-09-04 | 中国科学院武汉植物园 | Rapid ecological restoration method for rock-soil side slopes |
| CN205662932U (en) * | 2016-03-18 | 2016-10-26 | 长沙理工大学 | Kata -rocks matter slope ecological protection structure |
| CN110670607A (en) * | 2019-09-30 | 2020-01-10 | 西安绿岭生态环境股份有限公司 | Ecological restoration construction process |
| CN111173008A (en) * | 2020-01-20 | 2020-05-19 | 芜湖海螺水泥有限公司 | Ecological restoration method for joint development high and steep rocky slope |
| CN112482402A (en) * | 2020-11-05 | 2021-03-12 | 河南省恒丰集成技术有限责任公司 | Construction method for greening ecological soil slope protection |
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Application publication date: 20211119 |