CN110924407A - Construction method for maintaining water and soil on lower slope without disturbance - Google Patents
Construction method for maintaining water and soil on lower slope without disturbance Download PDFInfo
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- CN110924407A CN110924407A CN201911226213.5A CN201911226213A CN110924407A CN 110924407 A CN110924407 A CN 110924407A CN 201911226213 A CN201911226213 A CN 201911226213A CN 110924407 A CN110924407 A CN 110924407A
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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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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C21/00—Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder
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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
- E02D17/02—Foundation pits
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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
- E02D17/18—Making embankments, e.g. dikes, dams
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
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- 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
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The invention discloses a construction method for maintaining water and soil on a lower slope without disturbance, which comprises the steps of construction preparation, measurement lofting, excavation, upper slope renovation, temporary ditch excavation and upper slope greening, wherein the problems of water and soil loss, landslide and the like can be caused in rainy seasons in the construction process of the side slope of a wind power plant, the natural environment is damaged, and the problems of roadbed instability, side slope collapse and the like cause the siltation of river channels and lakes and reservoirs so as to influence the water quality of water systems on the downstream of the wind power plant and bring negative influence to the lives of surrounding residents and downstream residents; by the construction method, the original landform of the lower slope is not damaged basically, the original green environment is protected, the environment pollution caused by the loss of water and soil of the lower slope is avoided, the problems of greening the lower slope and saving a large amount of embankment retaining walls are solved, and the cost is effectively saved.
Description
Technical Field
The invention belongs to the field of water and soil conservation construction methods, and particularly relates to a low slope zero-disturbance water and soil conservation construction method.
Background
At present, the main area for building the wind power plant in the mountainous region is the mountainous terrain, and the wind power plant inevitably disturbs original landform, damages land and vegetation and causes water and soil loss in the construction processes of roads, fan construction and installation platforms, booster station yards, direct-buried cable trenches, abandoned dreg sites and the like.
In the wind power plant side slope construction process, the problems of water and soil loss, landslide and the like can be caused in rainy seasons, the natural environment is damaged, the problems of roadbed instability, side slope collapse and the like cause the silting of river channels and lakes and reservoirs, so that the water quality of the downstream water system of the wind power plant is influenced, and the negative influence is brought to the lives of surrounding and downstream residents.
Disclosure of Invention
The invention aims to provide a construction method for maintaining water and soil on a lower slope without disturbance, which aims to solve the problems in the background technology.
The technical scheme provided by the invention is as follows: the construction method for maintaining the water and soil on the lower slope without disturbance comprises the following steps:
A. construction preparation; the measuring instrument detects according to the regulations, and a measurer is familiar with a construction drawing, a field elevation coordinate, a control point, a precision wire mesh point, a precision level point and a plane grid mesh point in advance and carefully checks and verifies construction paying-off bases;
B. measuring and lofting; during measurement, according to measurement specifications, a low-precision working procedure of whole-to-local and high-precision control is observed, measurement is carried out under reasonable weather conditions, self-checking is carried out firstly, and then others check is carried out;
C. excavating; during construction, the machine is driven to a road excavation position, excavation is started from the upper edge line to the lower side, the slope engineering excavation adopts mechanical cooperation manual excavation, the gradual excavation is carried out according to the excavation sequence from top to bottom, and the gradual excavation is reinforced and maintained step by step until all protection engineering is finished;
D. trimming an upper slope; removing and repairing the broken suspension convex dangerous rocks and broken blocks, wherein the cleaning range extends to the maximum cleaning boundary; cutting a local steep slope section, excavating and removing a strongly weathered layer, and removing all garbage, weeds, tree roots, waste residues and surface soil in a specified area;
E. excavating a temporary ditch; the earthwork excavation is carried out layer by layer and section in sequence, and the states of a foundation trench and a side slope are checked at any time during excavation so as to prevent collapse; when the mechanical construction cannot be excavated, the excavation is carried out in a manner of matching with manual work, and soil is transported to a place where the mechanical construction can be excavated by a hand cart so as to be cleaned by the machine;
F. greening the upper slope; before greening, rock surface broken stones, loose layers and the like are cleaned to flatten the slope surface, so that slope spraying construction is facilitated and the greening effect of the slope surface is increased; the average roughness of the cleaned slope surface is +/-10 cm, and the maximum roughness is not more than +/-30 cm; the plant biological bags are adopted for integral protection of the slope protection with large concave convexity of the local skeleton of the side slope, and roughening treatment needs to be carried out on the smooth rock surface through measures such as digging transverse grooves or padding linen rolls, so that the foreign soil is prevented from sliding downwards.
Preferably, in the step C, in the excavation process, a protective layer of 0.2-0.3 m is reserved according to the position of the side pile so as to be beneficial to manual slope repairing, the slope is controlled layer by layer during construction, and the inserted rods in the long-side slope range of every 10m are manually repaired and brushed.
Preferably, the step C further comprises a road surface cleaning step, the depth of a stripping layer of the road surface cleaning is 0.2-0.3 m, and when the stone volume is large, blasting hammer construction is adopted.
Preferably, in the step C, the excavator excavates inward from the side slope during excavation work, so as to prevent the muck from rolling down the side slope.
Preferably, the method also comprises a step of backfilling the earthwork, when the transverse slope of the ground of the filling road section is steeper than 1:1.5, the filling road section is dug into a step, the width is not less than 2.0m, and the bottom of the step is a 2-4% reverse slope; the filler at the top of the culvert and the back of the retaining wall adopts broken stones or sand gravels as the filler and is compacted by adopting a light machine.
Preferably, the strip residual slope area surface layer outward-moving stripping method is adopted for stripping the road surface, and stripping and transportation are carried out from inside to outside according to the strip.
Preferably, a concrete drainage ditch is adopted in the longitudinal slope of the road, wherein the thickness of the wall of the concrete drainage ditch is set to be 15 cm; and adopting masonry drainage ditches when the longitudinal slope of the road is less than 16%, directly excavating channels on the rock road section, and not arranging drainage ditches on two sides of the full-fill road section.
Has the advantages that:
by the construction method, the original landform of the lower slope is not damaged basically, the original green environment is protected, the environment pollution caused by the loss of water and soil of the lower slope is avoided, the problems of greening the lower slope and saving a large amount of embankment retaining walls are solved, and the cost is effectively saved.
Drawings
FIG. 1 is a flow chart of the operation of the present invention.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1, the construction method for maintaining the water and soil on the downward slope without disturbance comprises the following steps:
A. construction preparation; the measuring instrument detects according to the regulations, and a measurer is familiar with a construction drawing, a field elevation coordinate, a control point, a precision wire mesh point, a precision level point and a plane grid mesh point in advance and carefully checks and verifies construction paying-off bases;
B. measuring and lofting; during measurement, according to measurement specifications, a low-precision working procedure of whole-to-local and high-precision control is observed, measurement is carried out under reasonable weather conditions, self-checking is carried out firstly, and then others check is carried out;
C. excavating; during construction, the machine is driven to a road excavation position, excavation is started from the upper edge line to the lower side, the slope engineering excavation adopts mechanical cooperation manual excavation, the gradual excavation is carried out according to the excavation sequence from top to bottom, and the gradual excavation is reinforced and maintained step by step until all protection engineering is finished;
D. trimming an upper slope; removing and repairing the broken suspension convex dangerous rocks and broken blocks, wherein the cleaning range extends to the maximum cleaning boundary; cutting a local steep slope section, excavating and removing a strongly weathered layer, and removing all garbage, weeds, tree roots, waste residues and surface soil in a specified area;
E. excavating a temporary ditch; the earthwork excavation is carried out layer by layer and section in sequence, and the states of a foundation trench and a side slope are checked at any time during excavation so as to prevent collapse; when the mechanical construction cannot be excavated, the excavation is carried out in a manner of matching with manual work, and soil is transported to a place where the mechanical construction can be excavated by a hand cart so as to be cleaned by the machine;
F. greening the upper slope; before greening, rock surface broken stones, loose layers and the like are cleaned to flatten the slope surface, so that slope spraying construction is facilitated and the greening effect of the slope surface is increased; the average roughness of the cleaned slope surface is +/-10 cm, and the maximum roughness is not more than +/-30 cm; the plant biological bags are adopted for integral protection of the slope protection with large concave convexity of the local skeleton of the side slope, and roughening treatment needs to be carried out on the smooth rock surface through measures such as digging transverse grooves or padding linen rolls, so that the foreign soil is prevented from sliding downwards.
In this embodiment, in step C, in the excavation process, according to the side pile position, reserve 0.2 ~ 0.3 m's protective layer to do benefit to the manual work and repair the slope, control during the construction layer by layer, every 10m long limit slope scope inserted bar carries out the manual work and repaiies the brush. And step C, a road surface cleaning step is further included, the depth of a stripping layer of the road surface cleaning is 0.2-0.3 m, and blasting hammer construction is adopted when the stone volume is large. And C, when the excavating operation is carried out, the excavator excavates inwards from the side slope, so that the dregs are prevented from rolling down the side slope. The method also comprises a step of backfilling the stone and the earth, wherein when the ground transverse slope of the filled road section is steeper than 1:1.5, the filled road section is dug into steps, the width of the steps is not less than 2.0m, and the step bottom is a 2-4% reverse slope; the filler at the top of the culvert and the back of the retaining wall adopts broken stones or sand gravels as the filler and is compacted by adopting a light machine. The road surface cleaning is stripped by a strip residual slope surface layer outward-moving stripping method, and stripped and transported from inside to outside according to strips. Adopting concrete drainage ditches in the longitudinal slope of the road, wherein the thickness of the concrete drainage ditches is set to be 15 cm; and adopting masonry drainage ditches when the longitudinal slope of the road is less than 16%, directly excavating channels on the rock road section, and not arranging drainage ditches on two sides of the full-fill road section.
For convenience, the directions indicated by the words "up", "down", "left", "right", "front", "back", etc. are the same as the left and right directions of the drawings, but do not limit the structure of the present invention; the embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the above-described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the invention, without departing from the spirit and scope of the invention.
Claims (7)
1. A construction method for maintaining water and soil on a lower slope without disturbance is characterized by comprising the following steps:
A. construction preparation; the measuring instrument detects according to the regulations, and a measurer is familiar with a construction drawing, a field elevation coordinate, a control point, a precision wire mesh point, a precision level point and a plane grid mesh point in advance and carefully checks and verifies construction paying-off bases;
B. measuring and lofting; during measurement, according to measurement specifications, a low-precision working procedure of whole-to-local and high-precision control is observed, measurement is carried out under reasonable weather conditions, self-checking is carried out firstly, and then others check is carried out;
C. excavating; during construction, the machine is driven to a road excavation position, excavation is started from the upper edge line to the lower side, the slope engineering excavation adopts mechanical cooperation manual excavation, the gradual excavation is carried out according to the excavation sequence from top to bottom, and the gradual excavation is reinforced and maintained step by step until all protection engineering is finished;
D. trimming an upper slope; removing and repairing the broken suspension convex dangerous rocks and broken blocks, wherein the cleaning range extends to the maximum cleaning boundary; cutting a local steep slope section, excavating and removing a strongly weathered layer, and removing all garbage, weeds, tree roots, waste residues and surface soil in a specified area;
E. excavating a temporary ditch; the earthwork excavation is carried out layer by layer and section in sequence, and the states of a foundation trench and a side slope are checked at any time during excavation so as to prevent collapse; when the mechanical construction cannot be excavated, the excavation is carried out in a manner of matching with manual work, and soil is transported to a place where the mechanical construction can be excavated by a hand cart so as to be cleaned by the machine;
F. greening the upper slope; before greening, rock surface broken stones, loose layers and the like are cleaned to flatten the slope surface, so that slope spraying construction is facilitated and the greening effect of the slope surface is increased; the average roughness of the cleaned slope surface is +/-10 cm, and the maximum roughness is not more than +/-30 cm; the plant biological bags are adopted for integral protection of the slope protection with large concave convexity of the local skeleton of the side slope, and roughening treatment needs to be carried out on the smooth rock surface through measures such as digging transverse grooves or padding linen rolls, so that the foreign soil is prevented from sliding downwards.
2. The method for constructing a low slope with zero disturbance for water and soil conservation according to claim 1, wherein:
and step C, reserving a protective layer of 0.2-0.3 m according to the position of the side pile in the excavation process so as to be beneficial to manual slope repair, controlling layer by layer during construction, and manually repairing and brushing inserted rods in the long side slope range of every 10 m.
3. The method for constructing a low slope with zero disturbance for water and soil conservation according to claim 1, wherein:
and step C, a road surface cleaning step is further included, the depth of a stripping layer of the road surface cleaning is 0.2-0.3 m, and blasting hammer construction is adopted when the stone volume is large.
4. The method for constructing a low slope with zero disturbance for water and soil conservation according to claim 1, wherein:
and C, when the excavating operation is carried out, the excavator excavates inwards from the side slope, so that the dregs are prevented from rolling down the side slope.
5. The method for constructing a low slope with zero disturbance for water and soil conservation according to claim 1, wherein:
the method also comprises a step of backfilling the stone and the earth, wherein when the ground transverse slope of the filled road section is steeper than 1:1.5, the filled road section is dug into steps, the width of the steps is not less than 2.0m, and the step bottom is a 2-4% reverse slope; the filler at the top of the culvert and the back of the retaining wall adopts broken stones or sand gravels as the filler and is compacted by adopting a light machine.
6. The method for constructing a low slope with zero disturbance for water and soil conservation according to claim 3, characterized in that:
the road surface cleaning is stripped by a strip residual slope surface layer outward-moving stripping method, and stripped and transported from inside to outside according to strips.
7. The method for constructing a low slope with zero disturbance for water and soil conservation according to claim 1, wherein:
adopting concrete drainage ditches in the longitudinal slope of the road, wherein the thickness of the concrete drainage ditches is set to be 15 cm; and adopting masonry drainage ditches when the longitudinal slope of the road is less than 16%, directly excavating channels on the rock road section, and not arranging drainage ditches on two sides of the full-fill road section.
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| CN201911226213.5A CN110924407A (en) | 2019-12-04 | 2019-12-04 | Construction method for maintaining water and soil on lower slope without disturbance |
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| CN201911226213.5A CN110924407A (en) | 2019-12-04 | 2019-12-04 | Construction method for maintaining water and soil on lower slope without disturbance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113756313A (en) * | 2021-09-01 | 2021-12-07 | 华能江西清洁能源有限责任公司 | Construction method of embedded road in steep mountain land |
| CN113849897A (en) * | 2021-10-25 | 2021-12-28 | 中国矿业大学 | Design method for reconstructed side slope with uniform soil covering |
| CN115182364A (en) * | 2022-08-04 | 2022-10-14 | 保利长大工程有限公司 | Construction method for protecting carbonaceous mudstone side slope |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756313A (en) * | 2021-09-01 | 2021-12-07 | 华能江西清洁能源有限责任公司 | Construction method of embedded road in steep mountain land |
| CN113849897A (en) * | 2021-10-25 | 2021-12-28 | 中国矿业大学 | Design method for reconstructed side slope with uniform soil covering |
| CN113849897B (en) * | 2021-10-25 | 2024-06-25 | 中国矿业大学 | Design method for reconstructed side slope with uniform soil covering |
| CN115182364A (en) * | 2022-08-04 | 2022-10-14 | 保利长大工程有限公司 | Construction method for protecting carbonaceous mudstone side slope |
| CN115182364B (en) * | 2022-08-04 | 2024-01-23 | 保利长大工程有限公司 | Carbonaceous mudstone side slope protection construction method |
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Application publication date: 20200327 |