CN112376589A - Landslide belt pile plate type comprehensive protection construction system and construction method - Google Patents

Landslide belt pile plate type comprehensive protection construction system and construction method Download PDF

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Publication number
CN112376589A
CN112376589A CN202011420408.6A CN202011420408A CN112376589A CN 112376589 A CN112376589 A CN 112376589A CN 202011420408 A CN202011420408 A CN 202011420408A CN 112376589 A CN112376589 A CN 112376589A
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CN
China
Prior art keywords
pile
slide
plate
soil
landslide
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CN202011420408.6A
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Chinese (zh)
Inventor
常乃坤
董祥君
汤瑞
陈卫卫
王凯
王中恩
李勋金
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Anhui Road and Bridge Engineering Group Co Ltd
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Anhui Road and Bridge Engineering Group Co Ltd
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Priority to CN202011420408.6A priority Critical patent/CN112376589A/en
Publication of CN112376589A publication Critical patent/CN112376589A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • A01G9/022Pots for vertical horticulture
    • A01G9/023Multi-tiered planters
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • E02D17/205Securing of slopes or inclines with modular blocks, e.g. pre-fabricated
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • E02D17/207Securing of slopes or inclines with means incorporating sheet piles or piles
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0258Retaining or protecting walls characterised by constructional features
    • E02D29/0283Retaining or protecting walls characterised by constructional features of mixed type
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/34Concrete or concrete-like piles cast in position ; Apparatus for making same
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00Production methods
    • E02D2250/0023Cast, i.e. in situ or in a mold or other formwork
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0004Synthetics
    • E02D2300/0018Cement used as binder
    • E02D2300/002Concrete

Abstract

The invention provides a landslide pile-plate type comprehensive protection construction system and a construction method, wherein a foundation sizing template, a slide-way type leveling and repairing mold and a plate surface green plant hanging groove device are arranged; set up basic regularization template between adjacent friction pile, at basic regularization template and friction pile enclose at the interior concreting formation earth guard plate basis of closing space, the successive layer hangs on earth guard plate basis and puts the earth guard plate, the anchor bolt anchor is reserved with the friction pile to the earth guard plate and is connected, utilize the outlet installation slide formula flattening of earth guard plate reservation to restore the mould after the earth guard plate hoist and mount is accomplished, restore the mould through slide formula flattening and carry out the flattening to the outer facade of friction pile, and utilize the green groove of hanging of planting of couple installation face that the outer facade of earth guard plate set up. The landslide belt pile plate type comprehensive protection system adopts a construction mode of pouring the anti-slide piles firstly and then excavating and repairing, so that the safety risk of landslide belt protection construction is effectively reduced, the technical benefit is remarkable, the safety is high, the ecological effect is good, and meanwhile, the economic and technical benefits are outstanding.

Description

Landslide belt pile plate type comprehensive protection construction system and construction method
Technical Field
The invention relates to the technical field of foundation engineering, in particular to a landslide strip pile plate type comprehensive protection construction system and a construction method.
Background
In the middle of the engineering construction of railways, roads and the like in China, cutting engineering inevitably occurs. During and after excavation of the cutting is completed, unloading of earthwork can cause redistribution of initial ground stress, so that stable balance of built projects around is broken, and a landslide zone is easy to appear. The harmfulness of landslide is very great, so that the landslide control method is very important for the research and prevention work of landslide.
In landslide control engineering, one engineering building which is often used is an anti-slide pile, and the anti-slide pile has the advantages of strong anti-slide capability, difficulty in landslide deterioration, wide applicable conditions, safety, simplicity and convenience in construction and the like, and is widely applied to various engineering fields. However, for the treatment of cutting landslide under complex terrain conditions, the conventional anti-slide pile protection slope often cannot meet the actual engineering requirements in the aspects of safety, ecology and the like, and particularly has the problems of difficult guarantee of construction safety and insufficient ecological greening for the construction of anti-slide pile bodies and retaining plates.
In view of the above, there is a need for a landslide belt pile-plate type comprehensive protection construction method which is high in safety, good in ecological effect and outstanding in economic and technical benefits.
Disclosure of Invention
The invention aims to provide a landslide belt pile plate type comprehensive protection construction system and a construction method, and aims to solve the technical problems of low safety, poor ecological effect and low economic benefit of landslide belt anti-slide piles at the present stage.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the landslide pile-plate type comprehensive protection construction system comprises a foundation shaping template, a slide rail type leveling and repairing mold and a plate surface green plant hanging groove device;
the basic stereotyped template comprises a steel mould; the steel moulds are arranged on the front end face and the rear end face of the bottom of the slide pile, and the positioning and clamping of the bottom of the slide pile are resisted through the stay rods, so that the positioning and pouring of the foundation of the retaining plate are realized;
a plurality of soil retaining plates are sequentially stacked on the soil retaining plate foundation from bottom to top; two sides of the soil retaining plate are in anchoring connection with a connecting anchor rod on the rear side of the anti-slide pile;
the slide way type leveling and repairing mold comprises a slide way block, a U-shaped steel template and a limiting pin bolt; the slideway blocks are respectively connected with the soil retaining plate in a positioning way from top to bottom in sequence through the studs; the U-shaped steel template is clamped at the front side of the anti-slide pile and is in positioning connection with the slide way block through a limiting pin bolt, so that the U-shaped steel template is positioned on the slide way block;
the plate surface green plant hanging groove device comprises a hook and a green plant hanging groove; the hook is positioned at the outer side of the soil retaining plate; the green plant hanging groove is hung on the hook.
As a further improvement of the invention, the upper section of the anti-slide pile is in a convex shape, transverse connecting anchor rods are embedded at equal intervals inside the flange plates at two sides, and isolation sleeves are preset on the outer surfaces of the connecting anchor rods.
As a further improvement of the invention, the soil retaining plate is of a prefabricated reinforced concrete structure, water drainage holes and anchor rod connecting holes are symmetrically reserved on two sides, and hooks are arranged on the outer surface of the soil retaining plate.
As a further improvement of the invention, the device also comprises a retaining plate temporary back pressure bracket; the soil retaining plate temporary back pressure support comprises a special-shaped hanging rod and a connecting cross rod; the special-shaped hanging rod comprises a vertical hook plate and a transverse hook plate; the outer side of the connecting rod end of the transverse hook plate is fixedly connected with the inner side of the connecting rod end of the vertical hook plate; the vertical hook plate is clamped and limited with the retaining plate; the transverse hook plate is clamped and limited with the outer side end face of the anti-slide pile; the special-shaped hanging rods are arranged at two ends of the connecting cross rod.
As a further improvement of the invention, the transverse hook plate is also provided with an adjustable telescopic section.
As a further improvement of the invention, the basic stereotyped template consists of a front steel mould and a rear steel mould; the steel moulds are arranged perpendicular to the excavation surface, and the front steel mould and the rear steel mould are fixed with each other through a stay rod; the outer end of the steel die is in lap joint with the anti-slide pile; and an anti-seepage sponge body is also arranged between the outer end of the steel die and the anti-slide pile.
As a further improvement of the invention, connecting holes with the same size as the drain holes of the retaining plates are preset on the slideway block panels, and the slideway blocks at two sides are fixed on the drain holes through studs; u-shaped steel templates are arranged in the slide blocks at two sides, an anti-seepage sponge body is arranged at the bottom of each U-shaped steel template, slide blocks with limiting holes are arranged at two sides of each U-shaped steel template, and the U-shaped steel templates are fixed on the slide blocks through limiting bolts.
As a further improvement of the invention, the back of the green plant hanging groove is provided with a hanging plate, the bottom of the green plant hanging groove is provided with air holes, planting soil is buried inside the green plant hanging groove, and green plants are planted in the planting soil.
The construction method of landslide belt pile plate type comprehensive protection comprises the following steps:
s1, construction preparation: sealing ground surface cracks in a construction range, arranging a catch basin at the slope top of a primary side slope, simultaneously checking raw materials required by a slide pile resisting project, and arranging observation points outside a pile body and a pile;
s2, measurement and positioning: measuring and paying off, determining the center of a pile position, and arranging a pile protection so as to check the pile hole in time in the excavation process;
s3, constructing the slide-resistant pile in the landslide zone: the anti-slide pile adopts a manual hole digging pile, the pile holes are excavated layer by layer to form a protective wall, the construction is carried out until the elevation of the pile bottom is reached, then a reinforcement cage is hoisted, the concrete of the pile body is poured, and the quality detection of the pile foundation is carried out;
s4, excavating the earth between piles and in front of the piles: excavating the earth between adjacent anti-slide piles and in front of the piles to provide an operation space for installing the retaining plate and finishing the anti-slide piles;
s5, pouring a foundation of the retaining plate: primarily leveling the excavated surface of the soil between the piles, erecting a foundation forming template between adjacent anti-slide piles, fixing the template by utilizing a supporting pull rod, and then pouring concrete in the enclosed space of the foundation forming template and the anti-slide piles to form a retaining plate foundation;
s6, installing the retaining plates layer by layer: the soil blocking plates are installed layer by layer from bottom to top, the contact surface of the anti-slide pile is firstly slightly leveled manually during construction, then the soil blocking plates are suspended to the installation position, the anti-slide pile is penetrated with a connecting anchor rod in an auxiliary mode, a temporary back pressure support is immediately installed, the special-shaped hanging rod is adjusted, the lifting hook is detached after the soil blocking plates are ensured to be stable, sleeve-shaped nuts are installed for anchoring, and the process of repeating the construction to the designed elevation is analogized;
s7, backfilling and tamping layer by layer after plates: filling soil back into the back of the plate can be constructed after each layer of soil retaining plate is installed, before the filling soil of the first layer is constructed, digging grooves and embedding plastic blind ditch pipes, when the soil retaining plate is backfilled, additionally arranging a sand-gravel back filter layer between the soil retaining plate and the filling soil, and repeating the steps until the designed elevation is reached;
s8, finishing the outer vertical surface of the exposed slide-resistant pile: installing a slide block structure of a slide leveling and repairing mould through studs by utilizing the constructed drain hole, then penetrating a U-shaped steel template into a slide block by utilizing a crane and manual assistance, fixing by utilizing a limit pin bolt, pouring concrete, vibrating on the surface of the U-shaped steel template through an external vibrator, removing the limit pin bolt after the first section of maintenance is finished, lifting the U-shaped steel template to a second construction section, and repeating the steps until the two tops of the slide-resistant pile are constructed;
s9, pouring the wall top slope protection: a top sealing layer is poured on a retaining wall top formwork formed by the retaining plates and the anti-slide piles, a top sealing layer formwork can continuously utilize a slideway type leveling and repairing mould to continuously lift the U-shaped steel formwork to a certain height, after the limiting pin bolts are fixed, a connecting steel mould is additionally arranged between the adjacent U-shaped steel formworks, then the formwork in the rest direction is erected, and concrete is poured in a formwork enclosing space to form the top sealing layer;
s10, hanging green plants on the outer vertical surface of the retaining plate: demolish slide formula flattening restoration mould and other template facilities after the maintenance of wall crown bank protection is accomplished, utilize artifical cat ladder to hang at the outer facade of fender apron and establish green and plant the groove of hanging, green planting now inslot landfill planting soil before hanging the groove installation, plant green planting in the planting soil.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, a construction mode of forming piles firstly and then excavating and then forming walls is adopted under the topographic condition of the landslide zone, the safety risk of protective construction of the landslide zone is reduced, the pouring of the baffle foundation is completed through the foundation stereotyped template in a limited operation space, the operation is flexible and simple, and the installation precision of the upper retaining plate is ensured; the mould is restoreed in flattening through slide formula flattening carries out outer facade flattening to the excavation face of friction pile and restores, solves the uneven appearance defect in friction pile surface, utilizes the couple that the fender board was predetermine to hang to establish green planting and hangs groove promotion protective structure's ecological nature simultaneously, and the security is high, ecological effectual, and economic and technical benefit is outstanding simultaneously.
2. According to the invention, the temporary back pressure support is fully utilized in the installation process of the retaining plate, so that the situations of slipping and overturning in the installation process of the retaining plate can be effectively prevented, and the safety of the installation operation of the retaining plate is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a foundation finalized formwork construction;
FIG. 2 is a top view of the base sizing form installation;
FIG. 3 is a schematic view of the installation of the retaining plate of the slide-resistant pile;
FIG. 4 is a schematic view of a temporary backpressure bracket mounting arrangement;
FIG. 5 is a schematic view of a slide-type leveling repair mold;
FIG. 6 is a top view of the installation of the skid leveling repair mold;
FIG. 7 is a schematic view of completion of landslide strip pile-slab type comprehensive protection construction;
FIG. 8 is a schematic view of a green plant hanging groove;
FIG. 9 is a schematic illustration of the back-fill construction of the retaining plate mounting plate;
FIG. 10 is a flow chart of the present invention.
The reference numbers in the figures illustrate:
1. a basic stereotyped template; 11. steel molding; 12. a stay bar; 2. a slideway type leveling and repairing mould; 21. a slide way block; 22. a U-shaped steel template; 23. a limit pin bolt; 3. a hanging groove device for green plants on the board surface; 31. hooking; 32. a green plant hanging groove; 321. hanging the plate; 4. a soil guard plate; 41. a water drain hole; 5. anti-slide piles; 51. connecting an anchor rod; 52. an isolation sleeve; 53. a sleeve-type nut; 6. the retaining plate temporarily presses against the support; 61. a special-shaped hanging rod; 611. a vertical hook plate; 612. a transverse hook plate; 6121. an adjustable telescopic section; 62. connecting the cross bars; 7. landslide zone soil mass; 8. a base of a soil retaining plate; 9. planting green; 10. a drain pipe; 20. backfilling; 30. a first soil layer; 40. a second soil layer; 50. a plastic blind ditch pipe; 60. sand and gravel reverse filtering layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but 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 invention provides a landslide belt pile plate type comprehensive protection construction system and a construction method by combining with attached drawings 1-10, and aims to solve the technical problems of low safety, poor ecological effect and low economic benefit of landslide belt slide-resistant piles at the present stage.
Specifically, the landslide pile-plate type comprehensive protection construction system comprises a foundation shaping template 1, a slide rail type leveling and repairing mold 2 and a plate surface green plant hanging groove device 3;
the basic stereotyped template 1 comprises a steel mould 11; the steel moulds 11 are arranged on the front end face and the rear end face of the bottom of the slide-resistant pile 5, and the positioning and clamping of the bottom of the slide-resistant pile 5 are realized through the stay rods 12, so that the positioning and pouring of the retaining plate foundation 8 are realized;
a plurality of soil guard plates 4 are sequentially stacked on the soil guard plate base 8 from bottom to top; two sides of the soil retaining plate 4 are in anchoring connection with a connecting anchor rod 51 at the rear side of the anti-slide pile 5;
the slide way type leveling and repairing mold 2 comprises a slide way block 21, a U-shaped steel template 22 and a limiting pin 23; the slideway blocks 21 are respectively connected with the soil retaining plate 4 in a positioning way from top to bottom in sequence through studs; the U-shaped steel template 22 is clamped at the front side of the slide-resistant pile 5 and is connected with the slide way block 21 in a positioning way through a limiting pin 23, so that the U-shaped steel template 22 is positioned on the slide way block 21;
the plate surface green plant hanging groove device 3 comprises a hook 31 and a green plant hanging groove 32; the hook 31 is positioned at the outer side of the soil retaining plate 4; the green plant hanging groove 32 is hung on the hook 31.
Furthermore, the cross section of the upper part of the anti-slide pile 5 is in a shape of a Chinese character 'tu', the inner sides of the flange plates at two sides are embedded with transverse connecting anchor rods 51 at equal intervals (the intervals are as high as the height of the soil retaining plate 4), and the outer surfaces of the connecting anchor rods 51 are preset with isolation sleeves 52.
Furthermore, the soil guard plate 4 is a prefabricated reinforced concrete structure, drainage holes 41 and anchor rod connecting holes are symmetrically reserved on two sides, and a hook 31 is arranged on the outer surface.
Further, a retaining plate temporary back pressure bracket 6 is also included; the retaining plate temporary back pressure support 6 comprises a special-shaped hanging rod 61 and a connecting cross rod 62; the special-shaped hanging rod 61 comprises a vertical hook plate 611 and a transverse hook plate 612; the outer side of the connecting rod end of the transverse hook plate 612 is fixedly connected with the inner side of the connecting rod end of the vertical hook plate 611; the vertical hook plate 611 is clamped and limited with the soil retaining plate 4; the transverse hook plate 612 is clamped and limited with the outer side end face of the slide-resistant pile 5; the special-shaped hanging rods 61 are arranged at two ends of the connecting cross rod 62.
Furthermore, an adjustable telescopic section 6121 is further arranged on the transverse hook plate 612; the length of the rear wing rod can be adjusted according to the thickness of the flange plate of the anti-slide pile 5.
Further, the basic stereotyped template 1 consists of a front steel mould 11 and a rear steel mould 11; the steel mould 11 is arranged perpendicular to an excavation surface, and the front steel mould 11 and the rear steel mould 11 are fixed with each other through a stay rod 12; the outer end of the steel die 11 is in lap joint with the slide-resistant pile 5; and an anti-seepage sponge body is also arranged between the outer end of the steel die 11 and the anti-slide pile 5.
Furthermore, connecting holes with the same size as the drain holes 41 of the retaining plates 4 are preset on the panels of the slideway blocks 21, and the slideway blocks 21 on the two sides are fixed on the drain holes 41 through studs; u-shaped steel templates 22 are arranged in the slideway blocks 21 at the two sides, an anti-seepage sponge body is arranged at the bottom of each U-shaped steel template 22, sliding blocks with limiting holes are arranged at the two sides, and the U-shaped steel templates 22 are fixed on the slideway blocks 21 through limiting bolts 23.
Further, the back of the green plant hanging groove 32 is provided with a hanging plate 321, the bottom of the green plant hanging groove is provided with air holes, planting soil is buried inside the green plant hanging groove, and green plants 9 are planted in the planting soil.
The construction method of landslide belt pile plate type comprehensive protection comprises the following steps:
s1, construction preparation: sealing ground surface cracks in a construction range, arranging a catch basin at the slope top of a primary side slope, simultaneously inspecting raw materials required by the anti-slide pile 5 engineering, and arranging observation points outside a pile body and the pile;
s2, measurement and positioning: measuring and paying off, determining the center of a pile position, and arranging a pile protection so as to check the pile hole in time in the excavation process;
s3, constructing the slide-resistant pile in the landslide zone: the anti-slide pile 5 adopts a manual hole digging pile, the pile holes are excavated layer by layer to form a protective wall, the construction is carried out until the elevation of the pile bottom is reached, then a reinforcement cage is hoisted, the concrete of the pile body is poured, and the quality detection of the pile foundation is carried out;
s4, excavating the earth between piles and in front of the piles: excavating the space between adjacent anti-slide piles 5 and the earthwork in front of the piles to provide an operation space for installing the soil retaining plate 4 and finishing the anti-slide piles 5;
s5, pouring a foundation of the retaining plate: primarily leveling the excavated surface of the soil between the piles, erecting a foundation forming template 1 between adjacent anti-slide piles 5, fixing the foundation forming template by using a stay rod 12, and then pouring concrete in a space enclosed by the foundation forming template 1 and the anti-slide piles 5 to form a retaining plate 4 foundation;
s6, installing the retaining plates layer by layer: the soil blocking plates 4 are installed layer by layer from bottom to top, the contact surface of the anti-sliding pile 5 is firstly slightly leveled manually during construction, then the soil blocking plates 4 are suspended to the installation position, the anti-sliding pile 5 is penetrated with a connecting anchor rod 51 in an auxiliary mode, a temporary back pressure support is immediately installed, the special-shaped hanging rod 61 is adjusted, the lifting hook is detached after the soil blocking plates 4 are ensured to be stable, the sleeve-shaped nut 53 is installed for anchoring, and the process of repeating construction to the designed elevation is repeated;
s7, backfilling and tamping layer by layer after plates: the construction of the backfill soil 20 behind the plate can be carried out after one layer of the retaining plate 4 is installed, before the construction of the backfill soil 20 at the first layer, a plastic blind ditch pipe 50 is embedded in an excavated ditch, when the retaining plate 4 is backfilled, a sand-gravel reverse filter layer 60 is additionally arranged between the retaining plate 4 and the backfill soil 20, and the construction is repeated by analogy to the designed elevation;
s8, finishing the outer vertical surface of the exposed slide-resistant pile: installing a slideway block 21 structure of the slideway type leveling and repairing mould 2 by using a constructed drain hole 41 and a stud, then penetrating a U-shaped steel template 22 into the slideway block 21 by using a crane and manual assistance, fixing by using a limit pin 23, pouring concrete, vibrating on the surface of the U-shaped steel template 22 by using an external vibrator, removing the limit pin 23 after the first section of maintenance is finished, lifting the U-shaped steel template 22 to a second construction section, and repeating the operation until two tops of an anti-slide pile 5 are constructed;
s9, pouring the wall top slope protection: a top sealing layer is poured on a retaining wall top formwork formed by the retaining plates 4 and the anti-slide piles 5, the top sealing layer formwork can be used for leveling and repairing the mould 2 continuously by using a slideway, the U-shaped steel formwork 22 is lifted to a certain height continuously, after the limiting pin 23 is fixed, a connecting steel formwork 11 is additionally arranged between the adjacent U-shaped steel formworks 22, then the formwork in the rest direction is erected, and concrete is poured in the formwork enclosing space to form the top sealing layer;
s10, hanging green plants on the outer vertical surface of the retaining plate: demolish slide formula flattening restoration mould 2 and other template facilities after the maintenance of wall crown bank protection is accomplished, utilize artifical cat ladder to hang at 4 outer facades of fender soil board and establish green string groove 32 of planting, green planting is hung and is buried planting soil in the groove now before groove 32 installs, plants in the planting soil and plants green 9 of planting.
According to the invention, a construction mode of forming piles firstly and then excavating and then forming walls is adopted under the topographic condition of the landslide zone, the safety risk of protective construction of the landslide zone is reduced, the pouring of the baffle foundation is completed through the foundation stereotyped template 1 in a limited working space, the operation is flexible and simple, and the installation precision of the upper soil retaining plate 4 is ensured; the outer vertical face leveling repair is carried out on the excavation face of the slide pile 5 through the slide rail type leveling repair mold 2, the uneven appearance defect of the surface of the slide pile 5 is overcome, and meanwhile, the ecological performance of the protective structure is improved by hanging the green plant hanging groove 32 through the hook 31 preset by the soil retaining plate 4.
According to the invention, the temporary back pressure support is fully utilized in the installation process of the retaining plate 4, so that the situations of slipping and overturning in the installation process of the retaining plate 4 can be effectively prevented, and the safety of the installation operation of the retaining plate 4 is improved.
During specific construction, before the anti-slide pile 5 is constructed, sealing treatment is performed on the side slope and ground surface cracks in the construction platform range in advance, and the influence of surface water infiltration on the stability of the hole wall of the manual hole digging pile is prevented; and a catch basin is synchronously arranged at the slope top of the primary side slope to reasonably drain surface water.
And measuring lofting to determine a control point, determining a pile position center according to the control point, setting a pile protection so as to check in time in the pile hole excavation process, and excavating a manual hole digging pile top construction platform according to a measuring and paying-off result.
Then, manually excavating a pile body in a mode of supporting while excavating, pouring concrete retaining walls after excavating each section for 1m, and repeatedly constructing until the designed elevation of the pile bottom is reached; after pit wall construction is completed, a pile body reinforcement cage is hoisted, pile body concrete is poured by utilizing the tandem cylinder, the pile body is compactly vibrated by adopting an inserted type vibrator, the vibrator vibrates once when the pile body is poured into the second layer, the vibrator is inserted into the concrete of the first layer for 50mm depth, so that the concrete between layers is compactly vibrated, and the pile foundation quality is detected after the concrete pouring is completed.
Excavating the earth between adjacent anti-slide piles 5 and around the piles to provide a working space for installing the soil retaining plate 4 and finishing the anti-slide piles 5; and primarily leveling the excavated surface of the soil between the piles, erecting a foundation forming template 1 between adjacent anti-slide piles 5, fixing the foundation forming template by using the stay rods 12, and then pouring C25 concrete with the thickness of 200mm in a space enclosed by the foundation forming template 1 and the anti-slide piles 5 to form a retaining plate 4 foundation.
After 4 basic curing of fender board is accomplished, keep off board 4 from bottom to top layer by layer installation, artifical little flattening with 5 contact surfaces of slide-resistant pile earlier during the construction, suspend fender board 4 in midair to the mounted position again, artifical supplementary connection stock 51 that penetrates on the slide-resistant pile 5 to install interim back pressure support immediately, adjustment abnormal shape peg 61, guarantee to keep off the lifting hook after board 4 stabilizes, install the anchor of sleeve type nut 53, so on and so on the cycle construction to the design elevation.
And (3) constructing the backfill soil 20 behind the plate every time one layer of the retaining plate 4 is installed, before constructing the backfill soil 20 at the first layer, digging a groove and burying a plastic blind ditch pipe 50 with the diameter of 150mm, and when backfilling the retaining plate 4 at the back, additionally arranging a sand and pebble reverse filter layer 60 between the retaining plate 4 and the backfill soil 20, backfilling by layers, and repeating the steps until the designed elevation is reached.
Then, the constructed water drainage hole 41 is utilized, the slide rail block 21 structure of the slide rail type leveling and repairing mold 2 is installed through the studs, the U-shaped steel formwork 22 penetrates into the slide rail block 21 through a crane and manual assistance, the U-shaped steel formwork is fixed through the limiting pin 23, C25 concrete is poured, the surface of the U-shaped steel formwork 22 is vibrated through the external vibrator, the limiting pin 23 is removed after the first section of maintenance is completed, the U-shaped steel formwork 22 is lifted to the second construction section, and the process is repeated until the two tops of the anti-slide pile 5 are constructed.
And finally, pouring a top sealing layer on a retaining wall top formwork formed by the retaining plates 4 and the anti-slide piles 5, continuously using the slideway type leveling and repairing mould 2 for the top sealing layer formwork, continuously lifting the U-shaped steel formwork 22 to a certain height, additionally arranging connecting steel moulds 11 between the adjacent U-shaped steel formworks 22 after fixing the limiting pin bolts 23, then erecting formworks in the remaining directions, and pouring C25 concrete in a formwork enclosing space to form the top sealing layer.
Demolish slide formula flattening restoration mould 2 and other template facilities after the maintenance of wall crown bank protection is accomplished, utilize artifical cat ladder to hang at 4 outer facades of fender soil board and establish green string groove 32 of planting, green planting is hung and is buried planting soil in the groove now before groove 32 installs, plants in the planting soil and plants green 9 of planting.
It should be noted that the detailed description of the invention is not included in the prior art, or can be directly obtained from the market, and the detailed connection mode can be widely applied in the field or daily life without creative efforts, and the detailed description is not repeated here.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (9)

1. Landslide area stake plate-type integrated protection construction system, its characterized in that: the device comprises a basic stereotyped template, a slideway type leveling and repairing mold and a plate surface green plant hanging groove device;
the basic stereotyped template comprises a steel mould; the steel moulds are arranged on the front end face and the rear end face of the bottom of the slide pile, and the positioning and clamping of the bottom of the slide pile are resisted through the stay rods, so that the positioning and pouring of the foundation of the retaining plate are realized;
a plurality of soil retaining plates are sequentially stacked on the soil retaining plate foundation from bottom to top; two sides of the soil retaining plate are in anchoring connection with a connecting anchor rod on the rear side of the anti-slide pile;
the slide way type leveling and repairing mold comprises a slide way block, a U-shaped steel template and a limiting pin bolt; the slideway blocks are respectively connected with the soil retaining plate in a positioning way from top to bottom in sequence through the studs; the U-shaped steel template is clamped at the front side of the anti-slide pile and is in positioning connection with the slide way block through a limiting pin bolt, so that the U-shaped steel template is positioned on the slide way block;
the plate surface green plant hanging groove device comprises a hook and a green plant hanging groove; the hook is positioned at the outer side of the soil retaining plate; the green plant hanging groove is hung on the hook.
2. The landslide belt pile plate type comprehensive protection construction system according to claim 1, wherein: the cross section of the upper part of the anti-slide pile is in a convex shape, transverse connecting anchor rods are embedded in the inner sides of the flange plates at two sides at equal intervals, and isolation sleeves are preset on the outer surfaces of the connecting anchor rods.
3. The landslide belt pile plate type comprehensive protection construction system according to claim 1, wherein: the soil blocking plate is of a prefabricated reinforced concrete structure, water drainage holes and anchor rod connecting holes are reserved in two sides of the soil blocking plate symmetrically, and hooks are arranged on the outer surface of the soil blocking plate.
4. The landslide belt pile plate type comprehensive protection construction system according to claim 1, wherein: the temporary back pressure bracket of the retaining plate is also included; the soil retaining plate temporary back pressure support comprises a special-shaped hanging rod and a connecting cross rod; the special-shaped hanging rod comprises a vertical hook plate and a transverse hook plate; the outer side of the connecting rod end of the transverse hook plate is fixedly connected with the inner side of the connecting rod end of the vertical hook plate; the vertical hook plate is clamped and limited with the retaining plate; the transverse hook plate is clamped and limited with the outer side end face of the anti-slide pile; the special-shaped hanging rods are arranged at two ends of the connecting cross rod.
5. The landslide belt pile plate type comprehensive protection construction system according to claim 4, wherein: the transverse hook plate is also provided with an adjustable telescopic section.
6. The landslide belt pile plate type comprehensive protection construction system according to claim 1, wherein: the basic stereotyped template consists of a front steel mould and a rear steel mould; the steel moulds are arranged perpendicular to the excavation surface, and the front steel mould and the rear steel mould are fixed with each other through a stay rod; the outer end of the steel die is in lap joint with the anti-slide pile; and an anti-seepage sponge body is also arranged between the outer end of the steel die and the anti-slide pile.
7. The landslide belt pile plate type comprehensive protection construction system according to claim 1, wherein: connecting holes with the same size as the drain holes of the retaining plates are preset in the slideway block panels, and the slideway blocks on the two sides are fixed on the drain holes through studs; u-shaped steel templates are arranged in the slide blocks at two sides, an anti-seepage sponge body is arranged at the bottom of each U-shaped steel template, slide blocks with limiting holes are arranged at two sides of each U-shaped steel template, and the U-shaped steel templates are fixed on the slide blocks through limiting bolts.
8. The landslide belt pile plate type comprehensive protection construction system according to claim 1, wherein: the back of the green plant hanging groove is provided with a hanging plate, the bottom of the green plant hanging groove is provided with air holes, planting soil is filled inside the hanging plate, and green plants are planted in the planting soil.
9. A landslide belt pile plate type comprehensive protection construction method is based on the landslide belt pile plate type comprehensive protection construction system of any one of claims 1-8, and is characterized by comprising the following steps:
s1, construction preparation: sealing ground surface cracks in a construction range, arranging a catch basin at the slope top of a primary side slope, simultaneously checking raw materials required by a slide pile resisting project, and arranging observation points outside a pile body and a pile;
s2, measurement and positioning: measuring and paying off, determining the center of a pile position, and arranging a pile protection so as to check the pile hole in time in the excavation process;
s3, constructing the slide-resistant pile in the landslide zone: the anti-slide pile adopts a manual hole digging pile, the pile holes are excavated layer by layer to form a protective wall, the construction is carried out until the elevation of the pile bottom is reached, then a reinforcement cage is hoisted, the concrete of the pile body is poured, and the quality detection of the pile foundation is carried out;
s4, excavating the earth between piles and in front of the piles: excavating the earth between adjacent anti-slide piles and in front of the piles to provide an operation space for installing the retaining plate and finishing the anti-slide piles;
s5, pouring a foundation of the retaining plate: primarily leveling the excavated surface of the soil between the piles, erecting a foundation forming template between adjacent anti-slide piles, fixing the template by utilizing a supporting pull rod, and then pouring concrete in the enclosed space of the foundation forming template and the anti-slide piles to form a retaining plate foundation;
s6, installing the retaining plates layer by layer: the soil blocking plates are installed layer by layer from bottom to top, the contact surface of the anti-slide pile is firstly slightly leveled manually during construction, then the soil blocking plates are suspended to the installation position, the anti-slide pile is penetrated with a connecting anchor rod in an auxiliary mode, a temporary back pressure support is immediately installed, the special-shaped hanging rod is adjusted, the lifting hook is detached after the soil blocking plates are ensured to be stable, sleeve-shaped nuts are installed for anchoring, and the process of repeating the construction to the designed elevation is analogized;
s7, backfilling and tamping layer by layer after plates: filling soil back into the back of the plate can be constructed after each layer of soil retaining plate is installed, before the filling soil of the first layer is constructed, digging grooves and embedding plastic blind ditch pipes, when the soil retaining plate is backfilled, additionally arranging a sand-gravel back filter layer between the soil retaining plate and the filling soil, and repeating the steps until the designed elevation is reached;
s8, finishing the outer vertical surface of the exposed slide-resistant pile: installing a slide block structure of a slide leveling and repairing mould through studs by utilizing the constructed drain hole, then penetrating a U-shaped steel template into a slide block by utilizing a crane and manual assistance, fixing by utilizing a limit pin bolt, pouring concrete, vibrating on the surface of the U-shaped steel template through an external vibrator, removing the limit pin bolt after the first section of maintenance is finished, lifting the U-shaped steel template to a second construction section, and repeating the steps until the two tops of the slide-resistant pile are constructed;
s9, pouring the wall top slope protection: a top sealing layer is poured on a retaining wall top formwork formed by the retaining plates and the anti-slide piles, a top sealing layer formwork can continuously utilize a slideway type leveling and repairing mould to continuously lift the U-shaped steel formwork to a certain height, after the limiting pin bolts are fixed, a connecting steel mould is additionally arranged between the adjacent U-shaped steel formworks, then the formwork in the rest direction is erected, and concrete is poured in a formwork enclosing space to form the top sealing layer;
s10, hanging green plants on the outer vertical surface of the retaining plate: demolish slide formula flattening restoration mould and other template facilities after the maintenance of wall crown bank protection is accomplished, utilize artifical cat ladder to hang at the outer facade of fender apron and establish green and plant the groove of hanging, green planting now inslot landfill planting soil before hanging the groove installation, plant green planting in the planting soil.
CN202011420408.6A 2020-12-08 2020-12-08 Landslide belt pile plate type comprehensive protection construction system and construction method Pending CN112376589A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113006097A (en) * 2021-03-01 2021-06-22 枣庄学院 Permeable water-intercepting anti-skid structure for treating giant landslide and construction method thereof
CN114032949A (en) * 2021-10-26 2022-02-11 上海勘测设计研究院有限公司 Ecological pile plate type retaining wall and construction method thereof
CN114592537A (en) * 2022-03-22 2022-06-07 中国电建集团昆明勘测设计研究院有限公司 Pile plate retaining wall structure suitable for filling side slope and construction method
CN115094948A (en) * 2022-07-27 2022-09-23 中冶建工集团有限公司 Pile-plate type retaining wall combined frame and construction method
CN115125991A (en) * 2022-07-04 2022-09-30 中铁十局集团有限公司 Pile-plate wall protection structure and construction method thereof
CN115506382A (en) * 2022-10-20 2022-12-23 中交第二航务工程局有限公司 Construction method for pile plate wall of island building platform
CN115125991B (en) * 2022-07-04 2024-04-09 中铁十局集团有限公司 Pile plate wall protection structure and construction method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113006097A (en) * 2021-03-01 2021-06-22 枣庄学院 Permeable water-intercepting anti-skid structure for treating giant landslide and construction method thereof
CN114032949A (en) * 2021-10-26 2022-02-11 上海勘测设计研究院有限公司 Ecological pile plate type retaining wall and construction method thereof
CN114592537A (en) * 2022-03-22 2022-06-07 中国电建集团昆明勘测设计研究院有限公司 Pile plate retaining wall structure suitable for filling side slope and construction method
CN115125991A (en) * 2022-07-04 2022-09-30 中铁十局集团有限公司 Pile-plate wall protection structure and construction method thereof
CN115125991B (en) * 2022-07-04 2024-04-09 中铁十局集团有限公司 Pile plate wall protection structure and construction method thereof
CN115094948A (en) * 2022-07-27 2022-09-23 中冶建工集团有限公司 Pile-plate type retaining wall combined frame and construction method
CN115506382A (en) * 2022-10-20 2022-12-23 中交第二航务工程局有限公司 Construction method for pile plate wall of island building platform

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