CN106836275B - Landscape eco-friendly retaining wall for rapidly protecting tillite slope and implementation method - Google Patents
Landscape eco-friendly retaining wall for rapidly protecting tillite slope and implementation method Download PDFInfo
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- CN106836275B CN106836275B CN201710241223.0A CN201710241223A CN106836275B CN 106836275 B CN106836275 B CN 106836275B CN 201710241223 A CN201710241223 A CN 201710241223A CN 106836275 B CN106836275 B CN 106836275B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0266—Retaining or protecting walls characterised by constructional features made up of preformed elements
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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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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
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Abstract
The invention relates to a landscape eco-friendly retaining wall for rapidly protecting a moraine slope and an implementation method, which are designed aiming at the defects of long construction period, high investment and large construction disturbance of the existing gravity retaining wall, anchor pile plate wall and other protective structures. The landscape eco-friendly retaining wall for rapidly protecting the moraine slope comprises: the multi-layer framework beam is arranged between the transverse support rib plates, gravels are filled in each layer of framework to form a stepped wall body, the panel faces to a protective slope side, and the rib plates and the stepped framework wall body filled between the rib plates face to the back side. The protection method not only can realize the protection function of the moraine substance side slope along the highway and the railway and around the town, but also can meet the landscape ecological beautification function of the plateau ecological fragile area.
Description
Technical field
The present invention relates to a kind of for the landscape ecological friendly barricade of quick protection till side slope, implementation method.
Background technique
Under Quaternary Glaciation, the river valley area in southeast of Qinghai-Tibet Plateau marine glacier area, an Xinjiang " band one
There is huge till on the ground such as the Altai Mountains and Tianshan Mountains and the REGIONALIZATION OF THE HENGDUAN MOUNTAINOUS REGION Chuan Xi in road " corridor.As a kind of granularity
The discontinuous engineering medium that gradation is wide, physical property is non-homogeneous and accumulation mixes, till are not only plateau narrow valley region landslide, mudstone
The main geologic carrier of the geological disasters such as stream and substance source, and be highway, railway and the common engineering foundation of city-building
Or engineering slope accumulation body.The engineering geomechanics property of till determines that it is easily deformed unstability and forms geological disaster,
Be influence plateau ecology vulnerable areas land resources utilize, Main Towns construction and an important factor for Important Project siteselecting planning it
One.
Currently, traditional till side slope protection is generally used armored concrete Gravity Retaining Wall, anchorage pile board wall etc.
Structure maintains stability of slope by barricade own wt or anchor cable cohesive force, uses extensively because developing relatively early.But weight
There is also following shortcomings for power formula barricade and anchorage pile board wall: first, Gravity Retaining Wall body is thick and heavy, takes up a large area, right
Foundation requirement is high, and the dosage of reinforcing bar and concrete is big, at high cost, and construction investment is caused to increase considerably；Second, anchorage pile plate
Wall due to till heterogeneity, design parameter be difficult to realize standardization and accuracy, easily cause discontinuity and break
It is bad；Third, Gravity Retaining Wall and anchorage pile slab-wall structure use armored concrete material, long construction period, excavation disturbance completely
Greatly, the environment on along the arterial traffics such as appearance and highway, railway and Main Towns periphery is uncoordinated, with plateau ecology vulnerable areas
The theory of " geotechnical engineering is combined with biological control measure " currently advocated is runed counter to, and the effect of beautification of landscape is not had yet.Therefore, needle
To shortcoming existing for traditional defense structure, the barrier wall structure of a kind of achievable quick protection and landscape ecological friendly is proposed
It is very necessary.
In view of above-mentioned defect, the designer is actively subject to research and innovation, a kind of for quick protection moraine to found
The landscape ecological friendly barricade of object side slope, implementation method make it with more the utility value in industry.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of achievable quick protection and landscape ecological are friendly
The barrier wall structure of type, had not only been able to satisfy the function of till side slope rapid reinforcement protection, but also can play the role of landscape ecological beautification,
Construction period is saved simultaneously and place occupies, and project cost is reduced, to realize geotechnical engineering measure and bioengineering measure phase
In conjunction with prevention target.
In order to achieve the above objectives, the present invention is used for the landscape ecological friendly barricade of rapid reinforcement till side slope, comprising:
Multiple cross-brace floors that bottom plate, vertical panel, spacing are arranged on the bottom plate are installed on cross-brace floor and laterally prop up
Multilayer prefabricated frame between stake rib plate is set a roof beam in place, and gravelly soil group wall into a ladder, panel court are backfilled between cross-brace floor
To protection side slope side, cross-brace floor and the ladder framed wall being filled between cross-brace floor are towards back side.
Further, vertical panel is precast concrete, and panel top width B takes 0.5-1.2m；The face slope slope ratio of panel
1:n value is 1:0.20-1:0.05, and panel is vertical plane with the contact surface of cross-brace floor and gravelly soil wall.
Further, bottom plate is monolithic reinforced concrete structure, and bottom belt has key-wall insertion foundation soil body and interlacing contact,
Reserved groove and antiskid heel are for installation vertical panel and cross-brace floor transverse support ribs plate, bottom plate interval 15-20m setting
Settle expansion joint, barricade toe of wall and wall heel insertion bottom soil body, interlacing contact.
Further, cross-brace floor is arranged every 10-15m in panel back side, and cross-brace floor is precast concrete
Plate, width 1.0-1.5m, the slope ratio 1:m value on the inclined-plane of cross-brace floor are 1:0.6-1:0.5, root on cross-brace floor
Multiple rows of build-in hole is reserved according to the height and width of frame ladder, transverse support ribs plate bottom outside connects with antiskid heel.
Further, it is layered between cross-brace floor, point row's more precast reinforced concrete beams of parallel build-in constitute rank
Terraced frame, frame is layered by more reinforced beams, point parallel build-in of row is on lateral cross-brace floor, is filled in frame
Gravelly soil constitutes staged wall；The ladder number of plies is controlled by cross-brace floor height, and every layer of ladder height is controlled in 1-1.2m,
Depth-width ratio is 1:m, value 1:0.6-1:0.5, and every layer of ladder lateral frame beam is no less than 2.
Further, the soil-rock ratio of charges is not less than 6:4 in frame, and the partial size of shiver stone is 0.05-0.50m, and every layer
Stepped surfaces spread 10-15cm thickness Nutrition Soil, and plant Local grass-seed, tendril, flowers green plants.
Further, the perforative drainage hole of setting in the vertical panel, the drainage hole is the PVC being embedded in panel
Pipe, bore dia 3-5cm, the gradient of the drainage hole are 5%, along panel height direction, are distributed in each layer ladder-like
Fill backfill；In the horizontal direction, it is arranged according to spacing 2.0-3.0m.
Further, ladder at 1 is set on cross-brace floor every 40-50m, ladder height is not less than panel top
It is high.
In order to achieve the above objectives, implementation of the present invention for the landscape ecological friendly barricade of rapid reinforcement till side slope
Method, for implementing the above-mentioned landscape ecological friendly barricade for rapid reinforcement till side slope, comprising:
Side slope is cleared up first, in accordance with the requirement of design barricade excavation line and excavates barricade foundation trench, monolithic reinforced concrete structure
Form barricade bottom plate, and reserved panel and cross-brace floor groove and antiskid heel；
It is after the completion of bottom slab concreting in 3-7 days, prefabricated panel and cross-brace floor Piecemeal erection is recessed in bottom plate
In slot, panel and cross-brace floor need to be corresponded to paragraph by paragraph and be bonded closely, while apply subsiding crack between adjacent two sections of panel；
Prefabricated frame is installed to set a roof beam in place between every two cross-brace floor, presses design height layering upwards from bottom first layer
Construction, i.e. backfill gravelly soil forms step after every layer of Vierendeel girder is installed, and gravelly soil top surface is lower than on this layer of Vierendeel girder
15-20cm is held, until completing the installation of ladder at the highest level and filling；It is climbed installation cross-brace floor at ladder need to be arranged
Ladder；
10-15cm thickness Nutrition Soil is spread in every layer of backfill headspace, plantation Local grass-seed, tendril, flowers are green
Color plant.
According to the above aspect of the present invention, the present invention is used for the landscape ecological friendly barricade of quick protection till side slope, embodiment party
Method has at least the following advantages:
It is strong to adapt to terrestrial capabilities for feature simple using structure, light；Body is relatively small, and construction material dosage is few；It is main
Want that component strange land is prefabricated, assembling is quick, the disturbance for side slope environment of constructing is small, improves safety；And filling gravelly soil takes on the spot
Material can effectively dispose excavation waste, compared with traditional gravity type reinforced concrete structure barricade, cost saving；The gear
Wall can also beautify landscape ecological, accomplish the slope protection project structure that geotechnical engineering measure is combined with bioengineering measure.Both
It is able to achieve the function of highway, Along Railway and cities and towns periphery till side slope protection, and is able to satisfy plateau ecology vulnerable areas landscape
The function of ecology beautification.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is barricade skiagraph of the present invention；
Fig. 2 is I-I figure of barricade cross section of the present invention；
Fig. 3 is II-II figure of barricade cross section of the present invention；
1 is vertical panel；2 be bottom plate；3 be lateral cross-brace floor；4 be multistory frame beam；5 be sedimentation expansion joint；6
For backfill；7 be Nutrition Soil；8 be drainage hole；9 be ladder；10 call in person for antiskid；11 be reserved groove；H is wall height；B is
Panel top width；H1 is base plate thickness；H2 is panel height.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
The feature that present invention combination highlands till side slope substance group structure gradation is wide, free face rises steeply, provides one kind
Can flat moulded prefabricated and beautification landscape ecological barrier wall structure and its implementation method, it is particularly possible to meet highway, Along Railway and city
The landscape ecological requirement on town periphery.
As shown in Figure 1, Figure 2, Figure 3 shows.The present invention is used for the landscape ecological friendly barricade of rapid reinforcement till side slope, packet
Include: multiple cross-brace floors 3 that bottom plate 2, vertical panel 1, spacing are arranged on the bottom plate are installed on cross-brace floor
Multilayer prefabricated frame between cross-brace floor sets a roof beam in place 4, and gravelly soil group wall into a ladder is backfilled between cross-brace floor,
Panel is carried on the back towards protection side slope side, cross-brace floor and the ladder framed wall direction being filled between cross-brace floor
Side.The bottom plate is equipped with antiskid hammer 10.
Vertical panel is precast concrete, and panel top width B takes 0.5-1.2m；The face slope slope ratio 1:n value of panel is
The contact surface of 1:0.20-1:0.05, panel and cross-brace floor and gravelly soil wall is vertical plane.
Bottom plate is monolithic reinforced concrete structure, and bottom belt has key-wall insertion foundation soil body and interlacing contact, reserves groove
11 for installation vertical panel and cross-brace floor transverse support ribs plate, bottom plate interval 15-20m setting sedimentation expansion joint 5, gear
Wall toe of wall and wall heel insertion bottom soil body, interlacing contact.
Cross-brace floor is arranged every 10-15m in panel back side, and cross-brace floor is precast slab, width
1.0-1.5m, the slope ratio 1:m value on the inclined-plane of cross-brace floor are 1:0.6-1:0.5, according to frame on cross-brace floor
The height and width of ladder reserve multiple rows of build-in hole.
It is layered between cross-brace floor, point row's more precast reinforced concrete beams of parallel build-in constitute ladder frame, frame
Frame is layered by more reinforced beams, point parallel build-in of row is on lateral cross-brace floor, and gravelly soil structure is filled in frame
At staged wall；The ladder number of plies is controlled by cross-brace floor height, the control of every layer of ladder height in 1-1.2m, highly with width
The ratio between degree is 1:m, value 1:0.6-1:0.5, and every layer of ladder lateral frame beam be no less than 2.
The soil-rock ratio of charges is not less than 6:4 in frame, and the partial size of shiver stone is 0.05-0.50m, every layer of stepped surfaces paving
10-15cm thickness Nutrition Soil 7, and plant Local grass-seed, tendril, flowers green plants.
The perforative drainage hole 8 of setting in the vertical panel, the drainage hole is the pvc pipe being embedded in panel, Kong Zhi
Diameter is 3-5cm, and the gradient of the drainage hole is 5%, along panel height direction, is distributed in each layer of ladder-like filling backfill
Soil 7；In the horizontal direction, it is arranged according to spacing 2.0-3.0m.
Ladder 9 at 1 are set on cross-brace floor every 40-50m, ladder height is risen not less than panel.
Specific embodiment
As shown in Figures 1 to 3, certain till side slope is located at along the domestic G318 national highway of Tibet Bowo County, and side slope is along highway side
To width 200m, 7.2 × 104m3 measures in high 45m, average thickness 8m, estimation side.It is marine glacier lateral moraine that the side slope, which is the 4th,
Ridge, slope surface are up concave type broken line, and since the excavation of enlarging highway influences, it is highly 5m that the bottom free face gradient, which is 60 °, Zeng Duo
The local falling rocks of the secondary generation side of collapsing, influences highway normal pass.Due to wide only 2 lanes of this section of highway, right side is invaded for stream trenching
The terrace cliff formed is lost, the orographic condition without the spread that changes its course.It, can only be to the ice of left bank to ensure the safe and smooth of this section of highway
Moraine object side slope takes casing pipe protection scheme, and slope retaining wall uses barrier wall structure of the invention.
According to side slope feature and requirement of shelter, the landscape ecological friendly barricade of the quick protection till side slope is set
Meter protection length 180m, protects height 5.5m.Barricade is by bottom plate, vertical panel, cross-brace floor transverse support ribs plate and embedding
The ladder type frame being fixed between cross-brace floor is set a roof beam in place to be formed with backfill, panel, cross-brace floor and frame ladder position
On bottom plate.Bottom plate is cast-in-situ steel reinforced concrete, thickness h 1=0.8m；Floor structure form is as shown in Figure 1 and Figure 2, interval
A sedimentation expansion joint is arranged in 15m, is divided into 12 sections.
Vertical panel, cross-brace floor and Vierendeel girder are prefabricated reinforced concrete structure, vertical panel panel top width
1.0m, one side slope ratio of face slope are 1:0.05, are vertical plane with cross-brace floor contact side.Cross-brace floor is located at vertical
Panel back, transverse support ribs plate spacing are 10m, and transverse support ribs board width is 1.5m, and the inclined-plane slope Mian Po ratio is 1:0.50.It is horizontal
It sets a roof beam in place to 5 layers of ladder type frame of build-in between support rib, ladder height 1.0m, thickness 0.5m, every layer of ladder is by 3 Vierendeel girder groups
At 0.2 × 0.2m of beam section size backfills shiver stone maximum particle diameter 0.3m, and soil-rock ratio control is in 7:3, every layer of backfill height
0.8m, top surface spread 15cm thickness Nutrition Soil, plant local grass seeds and climbing plant.
Perforative drainage hole, bore dia 3cm, using pre-buried pvc pipe, the inclination of drainage hole are set in vertical panel
Degree is 5%, and vertical direction arranges 4 rows altogether, arranges spacing 1.0m；Horizontal direction spacing is 1.5m, distribution in the shape of " pin ", staggered row
Column.For convenient for engineering monitoring and maintenance, except being also arranged on the cross-brace floor of middle part in addition to upward slope channel is reserved at barricade both ends
Ladder at 2 is simply poured using reinforcing bar.
It constructs according to landscape ecological friendly barricade of the following construction method to the quick protection till side slope:
Barricade foundation trench is excavated first, in accordance with the requirement of design basis excavation line, bottom belt has tooth socket, depth 0.8m, using armored concrete
It is cast-in-place to form；Again by the prefabricated vertical panel conserved in strange land and cross-brace floor respectively build-in be installed on barricade bottom plate it
On, while the subsiding crack between every section of panel is carried out using asphalt felt；Then between cross-brace floor bottom-up
Layering installing frame is set a roof beam in place, every completion level-one frame backfills one layer of gravelly soil, until ladder backfill at the highest level is completed；Finally,
It is laid with Nutrition Soil every layer of ladder top surface, plants local grass seeds and climbing plant.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of landscape ecological friendly barricade for rapid reinforcement till side slope characterized by comprising bottom plate erects
Multiple cross-brace floors for being arranged on the bottom plate to panel, spacing, the multilayer being installed between cross-brace floor are pre-
Vierendeel girder processed, backfills gravelly soil group wall into a ladder between cross-brace floor, and panel is laterally propped up towards protection side slope side
Stake rib plate and the ladder framed wall being filled between cross-brace floor are towards back side.
2. the landscape ecological friendly barricade according to claim 1 for rapid reinforcement till side slope, feature exist
In vertical panel is precast concrete, and panel top width B takes 0.5-1.2m；The face slope slope ratio 1:n value of panel is 1:
The contact surface of 0.20-1:0.05, panel and cross-brace floor and gravelly soil wall is vertical plane.
3. the landscape ecological friendly barricade according to claim 1 for rapid reinforcement till side slope, feature exist
In bottom plate is monolithic reinforced concrete structure, and bottom belt has key-wall insertion foundation soil body and interlacing contact, reserves groove and antiskid
Heel is for installation vertical panel and cross-brace floor, and bottom plate interval 15-20m setting sedimentation expansion joint, barricade toe of wall and wall are called in person
It is embedded in bottom soil body, interlacing contact.
4. the landscape ecological friendly barricade according to claim 1 for rapid reinforcement till side slope, feature exist
In cross-brace floor is arranged every 10-15m in panel back side, and cross-brace floor is precast slab, width 1.0-
1.5m, the slope ratio 1:m value on the inclined-plane of cross-brace floor are 1:0.6-1:0.5, according to frame ladder on cross-brace floor
Height and width reserve multiple rows of build-in hole, transverse support ribs plate bottom outside connects with antiskid heel.
5. the landscape ecological friendly barricade according to claim 4 for rapid reinforcement till side slope, feature exist
In layering, point row's more precast reinforced concrete beams of parallel build-in constitute ladder frames between cross-brace floor, and frame is by more
The layering of root reinforced beam, point parallel build-in of row are on lateral cross-brace floor, and filling gravelly soil constitutes ladder in frame
Formula wall；The ladder number of plies is controlled by cross-brace floor height, and every layer of ladder height control is in 1-1.2m, depth-width ratio
For 1:m, value 1:0.6-1:0.5, every layer of ladder lateral frame beam is no less than 2.
6. the landscape ecological friendly barricade according to claim 5 for rapid reinforcement till side slope, feature exist
In the soil-rock ratio of charges is not less than 6:4 in frame, and the partial size of shiver stone is 0.05-0.50m, and every layer of stepped surfaces spread 10-
15cm thickness Nutrition Soil, and plant Local grass-seed, tendril, flowers green plants.
7. the landscape ecological friendly barricade according to claim 1 for rapid reinforcement till side slope, feature exist
In the perforative drainage hole of setting in the vertical panel, the drainage hole is the pvc pipe being embedded in panel, bore dia 3-
5cm, the gradient of the drainage hole are 5%, along panel height direction, are distributed in each layer of ladder-like filling backfill；Edge
Horizontal direction is arranged according to spacing 2.0-3.0m.
8. the landscape ecological friendly barricade according to claim 1 for rapid reinforcement till side slope, feature exist
In ladder at 1 being arranged on cross-brace floor every 40-50m, ladder height is risen not less than panel.
9. a kind of implementation method of the landscape ecological friendly barricade for rapid reinforcement till side slope, is wanted for implementing right
The landscape ecological friendly barricade of rapid reinforcement till side slope is used for described in asking 1 characterized by comprising
Side slope is cleared up first, in accordance with the requirement of design barricade excavation line and excavates barricade foundation trench, and monolithic reinforced concrete structure is formed
Barricade bottom plate, and reserved panel and cross-brace floor groove and antiskid heel；
After the completion of bottom slab concreting in 3-7 days, by prefabricated panel and cross-brace floor Piecemeal erection in bottom plate groove,
Panel and cross-brace floor need to be corresponded to paragraph by paragraph and be bonded closely, while apply subsiding crack between adjacent two sections of panel；
Prefabricated frame is installed to set a roof beam in place between every two cross-brace floor, is applied upwards by design height layering from bottom first layer
Work, i.e. backfill gravelly soil forms step after every layer of Vierendeel girder is installed, and gravelly soil top surface is lower than this layer of Vierendeel girder upper end
15-20cm, until completing the installation of ladder at the highest level and filling；Cross-brace floor ladder is installed that need to be arranged at ladder；
10-15cm thickness Nutrition Soil is spread in every layer of backfill headspace, plants Local grass-seed, tendril, flowers green plants.
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| CN107679355B (en) * | 2017-11-17 | 2020-12-08 | 中国科学院、水利部成都山地灾害与环境研究所 | Water-intercepting flow-guiding type anchor pile plate wall and design method thereof |
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| CN110387904B (en) * | 2019-08-01 | 2021-01-22 | 顾青林 | Ecological composite retaining wall structure and construction method thereof |
| CN111411636A (en) * | 2020-03-30 | 2020-07-14 | 凌勇 | Soil slope protection construction method and triangular framework reinforced concrete retaining wall |
| CN111733656B (en) * | 2020-06-09 | 2022-05-17 | 交科院公路工程科技(北京)有限公司 | Disposal method for accumulated water and icing of mountain road valley road section in cold area |
| CN112523255A (en) * | 2020-12-21 | 2021-03-19 | 上海勘测设计研究院有限公司 | Retaining wall structure |
| CN115404734B (en) * | 2022-09-30 | 2024-03-26 | 中国电建集团贵州电力设计研究院有限公司 | Ecological restoration method for partial collapse of high-fill road |
| CN115897318A (en) * | 2022-09-30 | 2023-04-04 | 中国电建集团贵州电力设计研究院有限公司 | Ecological restoration method for partial collapse of semi-excavated and semi-filled road |
| CN116591213B (en) * | 2023-07-14 | 2023-11-28 | 中石化工建设有限公司 | Concrete retaining wall and construction method thereof |
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