CN116695777A - Side slope retaining wall structure and construction method thereof - Google Patents
Side slope retaining wall structure and construction method thereof Download PDFInfo
- Publication number
- CN116695777A CN116695777A CN202310607869.1A CN202310607869A CN116695777A CN 116695777 A CN116695777 A CN 116695777A CN 202310607869 A CN202310607869 A CN 202310607869A CN 116695777 A CN116695777 A CN 116695777A
- Authority
- CN
- China
- Prior art keywords
- retaining wall
- anchor
- slope
- retaining
- side slope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 45
- 238000011065 in-situ storage Methods 0.000 claims abstract description 23
- 239000002689 soil Substances 0.000 claims abstract description 19
- 239000011435 rock Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 46
- 239000010959 steel Substances 0.000 claims description 46
- 238000005507 spraying Methods 0.000 claims description 22
- 244000025254 Cannabis sativa Species 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000009331 sowing Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003971 tillage Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 34
- 230000000694 effects Effects 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 5
- 239000004567 concrete Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 230000008635 plant growth Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 208000037921 secondary disease Diseases 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/205—Securing of slopes or inclines with modular blocks, e.g. pre-fabricated
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Abstract
The invention relates to the technical field of slope engineering support and discloses a slope retaining wall structure and a construction method thereof. The side slope retaining wall structure comprises retaining wall stand columns, prestressed anchor cables, anchor rods and retaining plates, wherein the retaining wall stand columns are arranged on a cast-in-situ foundation and are abutted against a side slope surface; one end of the prestressed anchor cable is connected with the retaining wall upright post, and the other end of the prestressed anchor cable is embedded into the slope rock stratum; one end of the anchor rod is connected with the retaining wall upright post, and the other end of the anchor rod is embedded into the slope rock stratum; the retaining plate is inserted between two adjacent retaining wall stand columns, and a backfill space is formed between the retaining plate and the slope surface. According to the invention, the pre-stressed anchor cable is combined with the anchor rod, the anchor rod can be stressed rapidly, the pre-stressed anchor cable can provide larger anti-slip force, the stability of a side slope is improved, the risk of slope collapse is reduced, the prefabricated retaining wall upright posts and the retaining plates are introduced, the construction period can be effectively shortened, the engineering quality is improved, the construction safety hidden danger is reduced, the soil is cultivated by backfilling between the retaining plates, and the soil retaining plates are environment-friendly and attractive.
Description
Technical Field
The invention relates to the technical field of slope engineering support, in particular to a slope retaining wall structure and a construction method thereof.
Background
When newly-built factory areas or planning garden areas in coastal mountainous areas are frequently faced with limited slope releasing space, the slope tops are provided with existing building structures such as electric towers, signal towers or optical cables which are not easy to detach, the slope bottoms are planning parks, the land area of each park is sparse, the slope releasing range is not easy to extend to each park, and the situation often needs to adopt 1:0.25 slope rate and even vertical slope release to reduce the slope area, compromise simultaneously garden environmental protection afforestation requirement, be limited by the complex environment of mountain area development land, make the slope protection keep off engineering select and have following difficulty:
1. most of the slope tops are existing structures, the supporting scheme generally has strict requirements on deformation and settlement, and meanwhile, in the construction process, temporary protection measures are adopted to avoid secondary diseases such as local collapse instability and the like caused by slope excavation.
2. The slope excavation and protection construction period is long, the operation danger at high positions is high, the quality of the existing cast-in-situ construction process of the large-volume masonry structure is difficult to control, the slope top is an existing building structure, and the requirements on the construction period, the construction quality and the safety are high.
3. If the elevation of a ground level of a slope factory is lower, the slope excavation height can be more than 30m, and a slope body has larger sliding force after the steep slope is excavated, so that the protection retaining structure is required to provide larger anti-sliding force to meet engineering safety requirements.
4. Along with the improvement of ecological environment protection design concepts, planning parks or factories and the like have certain requirements on greening of side slope protection design modes, and how to construct an ecological protection system on a large-volume masonry structure with a slope ratio of 1:0.25 or even vertical is also a great difficulty.
Disclosure of Invention
Based on the problems, the invention aims to provide a side slope retaining wall structure and a construction method thereof, which can improve the stability of a side slope, reduce the risk of side slope collapse and effectively shorten the construction period.
In order to achieve the above object, the following technical scheme is provided:
in a first aspect, the present invention provides a side slope retaining wall structure comprising:
the retaining wall stand column is arranged on the cast-in-situ foundation and is abutted against the slope surface;
one end of the pre-stress anchor cable is connected with the retaining wall stand column, and the other end of the pre-stress anchor cable is embedded into the slope rock stratum;
the anchor rod is connected with the retaining wall stand column at one end, and the other end of the anchor rod is embedded into the slope stratum;
the retaining plate is inserted between two adjacent retaining wall stand columns, and a backfill space is formed between the retaining plate and the slope surface.
As an alternative scheme of the side slope retaining wall structure provided by the invention, a temporary anchor spraying layer is arranged between the retaining wall stand columns and the side slope surface, and the prestressed anchor cables and the anchor rods penetrate through the temporary anchor spraying layer.
As an alternative scheme of the side slope retaining wall structure provided by the invention, a leveling layer is arranged between the retaining wall stand columns and the temporary anchor spraying layer.
As an alternative scheme of the side slope retaining wall structure provided by the invention, a leveling layer is arranged at the bottom of the cast-in-situ foundation.
As an alternative scheme of the side slope retaining wall structure provided by the invention, the retaining wall upright post is provided with the anchor cable hole, and the pre-stress anchor cable penetrates through the anchor cable hole and is connected with the anchor cable head.
As an alternative scheme of the side slope retaining wall structure provided by the invention, the retaining wall upright post is provided with an anchor rod hole, and the anchor rod penetrates through the anchor rod hole and is connected with an anchor rod anchor head.
As an alternative scheme of the side slope retaining wall structure provided by the invention, the retaining wall upright post is provided with a reserved slot, and the retaining plate is inserted into the reserved slot.
As an alternative scheme of the side slope retaining wall structure provided by the invention, the retaining wall upright post is provided with a hanging ring.
As an alternative scheme of the side slope retaining wall structure provided by the invention, a first reserved steel plate is arranged at the bottom of a retaining wall column, a first anchor bar is arranged on the first reserved steel plate and is connected with the retaining wall column, a second reserved steel plate is arranged at the top of a cast-in-situ foundation, the first reserved steel plate and the second reserved steel plate are welded, a second anchor bar is arranged on the second reserved steel plate, and the second anchor bar is connected with the cast-in-situ foundation.
In a second aspect, the present invention further provides a construction method for constructing the slope retaining wall structure, which is used for constructing the slope retaining wall structure, and the construction method for the slope retaining wall structure includes the following steps:
s100, prefabricating upright posts of a retaining wall, excavating a side slope synchronously, and constructing a temporary anchor spraying layer and a cast-in-situ foundation;
s200, hoisting the retaining wall upright post to a construction site, erecting the retaining wall upright post onto a steel backing plate, pushing the retaining wall upright post to the installation position of the slope surface, and penetrating the anchor rod and the prestressed anchor cable through the retaining wall upright post;
s300, tightening and locking the anchor rod, welding a first reserved steel plate and a second reserved steel plate between the retaining wall upright post and the cast-in-situ foundation, tensioning and locking the prestressed anchor cable, and applying prestress to finish the anchor head sealing construction of the prestressed anchor cable;
s400, inserting the retaining plate into a reserved slot of the retaining wall upright post, filling tillage planting soil between the retaining plate and the slope surface, and sowing grass seeds for greening.
The beneficial effects of the invention are as follows:
according to the side slope retaining wall structure and the construction method thereof, the pre-stressed anchor cable is combined with the anchor rod, the anchor rod can be stressed rapidly, the pre-stressed anchor cable can provide larger anti-slip force, the stability of a side slope is improved, the side slope slumping risk is reduced, the prefabricated retaining wall upright post and the retaining plate are introduced, the construction period can be effectively shortened, the engineering quality is improved, the construction safety hidden danger is reduced, the soil is backfilled between the retaining plates, an integral plant growth layer is formed on a large-volume masonry structure surface, the side slope retaining wall structure has the side slope reinforcing effect, the safety and reliability are realized, the greening effect is realized on the side slope, the environment is protected, the appearance is attractive, and the side slope retaining wall structure can be suitable for the construction condition with limited space.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic view of a slope retaining wall structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of a retaining wall column, retaining plate, cast-in-place foundation and leveling layer in a side slope retaining wall structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of a retaining wall column, cast-in-situ foundation and screed in a side slope retaining wall structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of a structure of a retaining wall column, anchor rods, retaining plates, temporary anchor spray layers, leveling layers and leveling layers in a side slope retaining wall structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of a retaining wall column in a side slope retaining wall structure according to an embodiment of the present invention;
fig. 6 is a schematic view of a retaining wall column in a side slope retaining wall structure according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a side slope retaining wall structure according to an embodiment of the present invention, in which a retaining wall column is lifted above a steel pad;
fig. 8 is a schematic view of a structure in which a retaining wall column is placed on a steel pad in a side slope retaining wall structure according to an embodiment of the present invention;
FIG. 9 is a schematic view of a side slope retaining wall structure according to an embodiment of the present invention, in which one end of a retaining wall column is lifted up to a smaller inclination angle by a steel pad;
fig. 10 is a schematic structural view of a side slope retaining wall structure according to an embodiment of the present invention, in which one end of a retaining wall column is lifted up to a larger inclination angle by a steel pad;
FIG. 11 is a schematic view of a structure in which a retaining wall column is vertically erected on a steel backing plate in a side slope retaining wall structure according to an embodiment of the present invention;
fig. 12 is a schematic structural view of a side slope retaining wall structure according to an embodiment of the present invention, in which a retaining wall column is pushed onto a steel pad to a temporary anchor layer;
FIG. 13 is a schematic view of a side slope retaining wall structure according to an embodiment of the present invention, in which a retaining wall column is pushed onto a steel pad until it abuts against a leveling layer;
fig. 14 is a schematic structural view of a side slope retaining wall structure according to an embodiment of the present invention, when the anchor rope and the anchor head are constructed.
In the figure:
1. retaining wall upright posts; 2. pre-stress anchor cables; 3. a bolt; 4. a soil retaining plate; 5. a cast-in-place foundation; 6. a temporary anchor spraying layer; 7. leveling the layer; 8. a leveling layer; 9. an anchor head of the anchor cable; 10. a stock head; 11. a first reserved steel plate; 12. a first anchor bar; 13. a second reserved steel plate; 14. a second anchor bar; 15. a steel backing plate;
101. anchor cable holes; 102. an anchor rod hole; 103. reserving a slot; 104. and (5) hanging rings.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 14, the present embodiment provides a slope retaining wall structure, which is suitable for mountain areas with limited upper and lower spaces of a rocky slope, and has high-voltage towers, optical cables and other structures with high migration cost on the upper part, so that the slope distance can be greatly reduced, the available space of the slope toe can be increased, the settlement deformation of the slope top can be effectively reduced, and the safety of the upper structures can be ensured. The side slope retaining wall structure comprises a retaining wall upright post 1, a prestressed anchor rope 2, an anchor rod 3 and a retaining plate 4, wherein the retaining wall upright post 1 is arranged on a cast-in-situ foundation 5 and is abutted against a side slope; one end of the prestressed anchor cable 2 is connected with the retaining wall upright post 1, and the other end is embedded into the slope rock stratum; one end of the anchor rod 3 is connected with the retaining wall upright post 1, and the other end is embedded into a slope rock stratum; the retaining plate 4 is inserted between two adjacent retaining wall upright posts 1, and a backfill space is formed between the retaining plate 4 and the slope surface.
This side slope retaining wall structure combines prestressed anchorage cable 2 and stock 3, stock 3 can be born fast, prestressed anchorage cable 2 can provide great anti-skidding power, the stability of side slope has been improved, side slope slump risk has been reduced, introduce prefabricated assembled retaining wall stand 1 and retaining plate 4, can effectively shorten construction period, improve engineering quality, reduce the construction potential safety hazard, backfill between the retaining plate 4 and plant soil, form an holistic vegetation layer on bulky masonry structure face, side slope retaining wall structure has both played side slope reinforcement effect, safe and reliable has played the afforestation effect to the side slope again simultaneously, the environmental protection is pleasing to the eye, can be applicable to the limited construction condition in space.
The retaining wall upright posts 1 are rectangular and uniform in section along the height direction, the dimension is 800mm multiplied by 800mm, the distance between every two adjacent retaining wall upright posts 1 is 3000mm, the retaining wall upright posts 1 are integrally prefabricated, and the length is 4-12 m. The anchoring section of the prestressed anchor cable 2 should be deep into the stable stratum in the slope body, the length of the anchor rod 3 of the finish rolling twisted steel is 6 m-9 m, and the declination angles of the prestressed anchor cable 2 and the anchor rod 3 are 10 degrees-30 degrees.
Optionally, a temporary anchor spraying layer 6 is arranged between the retaining wall upright posts 1 and the slope surface, and the prestressed anchor cables 2 and the anchor rods 3 penetrate through the temporary anchor spraying layer 6. The temporary anchor spraying layer 6 can effectively prevent the surface layer of the side slope from collapsing, the construction of the temporary anchor spraying layer 6 and the excavation of the side slope are synchronously carried out, the first-level protection is excavated, the first-level protection is carried out, and the pre-stressed anchor cable 2 and the anchor rod 3 are drilled and grouted before the retaining wall upright 1 is installed. In order to ensure a smooth installation of the retaining wall column 1, optionally a leveling layer 7 is provided between the retaining wall column 1 and the temporary anchoring layer 6. The gap between the retaining wall upright post 1 and the temporary anchor spraying layer 6 is subjected to leveling treatment by adopting C25 concrete cast-in-situ, and the treatment thickness is 10-20 cm. Optionally, the bottom of the cast-in-place foundation 5 is provided with a screed 8. The cast-in-situ foundation 5 and the leveling layer 8 are constructed in a cast-in-place mode so as to ensure the structural strength of the cast-in-situ foundation 5 and the leveling layer 8.
Optionally, anchor cable holes 101 are formed in the retaining wall upright posts 1, and the pre-stressed anchor cables 2 penetrate through the anchor cable holes 101 and are connected with anchor cable heads 9. The retaining wall upright posts 1 are reserved with circular anchor cable holes 101 so that the retaining wall upright posts 1 can be horizontally pushed after being erected to enable the prestressed anchor cables 2 to penetrate through the retaining wall upright posts 1. The diameter of the circular anchor line hole 101 is 150mm. Optionally, anchor rod holes 102 are provided on the retaining wall upright posts 1, and anchor rods 3 penetrate through the anchor rod holes 102 and are connected with anchor rod anchor heads 10. Rectangular anchor rod holes 102 are reserved in the retaining wall upright posts 1, so that the retaining wall upright posts 1 are horizontally pushed after being erected to enable anchor rods 3 to penetrate through the retaining wall upright posts 1. The rectangular bolt hole 102 is 150mm by 400mm. The drilling and grouting construction of the anchoring engineering is completed before the installation of the retaining wall upright posts 1, the retaining wall upright posts 1 are immediately locked by the anchor rods 3, the retaining wall upright posts 1 are tightly attached to the slope surface and are matched with corresponding anchor diagonal drags during locking, the tensioning of the prestressed anchor cable 2 can be performed after the retaining wall upright posts 1 are fixed, the prestressing force is applied, and the anchor sealing construction of the anchor cable anchor head 9 and the anchor rod anchor head 10 is performed. After the construction of the retaining wall upright posts 1 is completed, the retaining plate 4 can be installed, soil tillage, soil backfilling and grass seed sowing work can be synchronously performed, water is regularly sprayed to a soil layer for maintenance, vegetation generation conditions are concerned at the follow-up time, and supplementary sowing is performed on a sparse area.
Optionally, the retaining wall upright posts 1 are provided with reserved slots 103, and the retaining plates 4 are inserted into the reserved slots 103. The retaining wall stand column 1 is provided with rectangular reserved slots 103 on both sides, and the retaining plate 4 is inserted between two adjacent retaining wall stand columns 1 through the reserved slots 103. After the soil retaining plate 4 is installed, the soil can be backfilled and planted, and seeds can be sowed to carry out hilling and greening construction. Soil is planted between the soil retaining plates 4 in a backfilling mode, grass seeds are cultivated in the later period, construction is convenient and fast, an integral plant growth layer is formed on the slope, and greening and attractive effects are achieved on the slope. The rectangular reserved slots 103 are 150mm x 180mm in size and have a downward inclination of 45 °. The soil-retaining plate 4 is prefabricated by reinforced concrete, the length of the soil-retaining plate 4 is 2320mm, the width of the soil-retaining plate 4 is 680mm, and the thickness of the soil-retaining plate 4 is 150mm. The retaining plate 4 can be reserved with lifting lugs, so that the later batch transportation and installation are convenient.
Optionally, hanging rings 104 are provided on the retaining wall posts 1. The hanging ring 104 is bound with the main rib of the retaining wall upright post 1, and the hanging ring 104 and the retaining wall upright post 1 are prefabricated into an integral structure. Four groups of hanging rings 104 are reserved on the front face of the retaining wall upright post 1, two hanging rings are symmetrically arranged, and the distance between the hanging rings along the length direction is 3000mm.
Optionally, a first reserved steel plate 11 is arranged at the bottom of the retaining wall upright 1, a first anchor bar 12 is arranged on the first reserved steel plate 11, the first anchor bar 12 is connected with the retaining wall upright 1, a second reserved steel plate 13 is arranged at the top of the cast-in-situ foundation 5, the first reserved steel plate 11 and the second reserved steel plate 13 are welded, a second anchor bar 14 is arranged on the second reserved steel plate 13, and the second anchor bar 14 is connected with the cast-in-situ foundation 5. After the retaining wall upright posts 1 are pushed in place, the first reserved steel plates 11 and the second reserved steel plates 13 are welded and fixed immediately, and meanwhile, the anchor rods 3 are screwed and locked through the hexagonal nuts, so that quick stress is achieved, and secondary diseases such as collapse and the like of a side slope are avoided. The prestressed anchor cable 2 can be stretched to provide larger anti-slip force after being installed on the retaining wall upright posts 1, so that the stability coefficient of the steep side slope is improved, and the purpose of once supporting and avoiding the afterward trouble is achieved. The first anchor bar 12 and the second anchor bar 14 are screw-thread steel bars with the diameter of 16mm and the length of 200mm, and the first reserved steel plate 11 and the second reserved steel plate 13 are 200mm multiplied by 2mm.
The embodiment also provides a construction method of the slope retaining wall structure, which is used for constructing the slope retaining wall structure, and comprises the following steps:
s100, prefabricating a retaining wall upright post 1, synchronously excavating a side slope, and constructing a temporary anchor spraying layer 6 and a cast-in-situ foundation 5;
s200, hoisting the retaining wall upright post 1 to a construction site, erecting the retaining wall upright post 1 to a steel backing plate 15, pushing the retaining wall upright post 1 to the installation position of a slope surface, and penetrating the anchor rods 3 and the pre-stress anchor cables 2 through the retaining wall upright post 1;
s300, tightening and locking the anchor rod 3, welding a first reserved steel plate 11 and a second reserved steel plate 13 between the retaining wall upright post 1 and the cast-in-situ foundation 5, tensioning and locking the prestressed anchor cable 2, and applying prestress to finish the anchor head sealing construction of the prestressed anchor cable 2;
s400, inserting the retaining plate 4 into the reserved slot 103 of the retaining wall upright post 1, filling tillage planting soil between the retaining plate 4 and the slope surface, and sowing grass seeds for greening.
And (3) performing construction preparation before the step S100, measuring and lofting according to a design drawing, and excavating slopes vertically, wherein when the foundation of the retaining wall upright posts 1 is excavated, the foundation is excavated only within the width range of each retaining wall upright post 1. And each time 6m is excavated, temporary anchor spraying is needed to form a temporary anchor spraying layer 6 for supporting the side slope, the anchor spraying support is used for carrying out anchor spraying protection according to the rock quality condition of the field excavation, if the rock quality condition is broken, the anchor spraying protection is carried out, if the integrity is good, the concrete sprayed on the temporary anchor spraying layer 6 can be canceled, and the thickness of the concrete sprayed on the temporary anchor spraying layer 6 is 10cm.
The gap between the retaining wall upright post 1 and the temporary anchor spraying layer 6 is subjected to leveling treatment by adopting C25 concrete cast-in-situ, and the treatment thickness is 10-20 cm. The declination angle of the prestressed anchor cable 2 and the anchor rod 3 is 15 degrees, and each hole site is required to be lofted before construction so as to be aligned with the anchor cable hole 101 and the anchor rod hole 102 reserved in the retaining wall upright post 1. The anchor rod 3 should reserve enough length, after the barricade stand 1 is hoisted to the appointed position, the slope is pressed close to in the pushing, and the anchor rod 3 passes barricade stand 1 through stock hole 102, and immediately screw down anchor head nut after barricade stand 1 installs in place, makes stock 3 locking. The prestressed anchor cable 2 is reserved for a sufficient length on the slope surface, is not stretched first, and is penetrated into the anchor cable hole 101 after the retaining wall upright posts 1 are hoisted to a designated position.
The retaining wall column 1 is prefabricated with the retaining plate 4, the retaining wall column 1 is prefabricated according to design file requirements, anchor cable holes 101, anchor rod holes 102 and reserved slots 103 are reserved, after the retaining wall column 1 is prefabricated and maintained, the retaining wall column 1 is transported to a construction site through hoisting machinery, placed on a steel base plate 15, lifted up vertically through a pre-buried hanging ring 104, the retaining wall column 1 is horizontally pushed to an installation position through pushing machinery, the pre-stressed anchor cable 2 and the anchor rod 3 respectively penetrate through the anchor cable holes 101 and the anchor rod holes 102 reserved for the retaining wall column 1, the first reserved steel plate 11 and the second reserved steel plate 13 are welded and fixed immediately after the retaining wall column is installed in place, and meanwhile, the anchor rod 3 is locked through hexagonal nuts, so that the retaining wall column 1 is tightly attached to a slope. And then, tensioning and locking the prestressed anchor cable 2, and performing anchor sealing construction of the anchor cable anchor head 9 and the anchor rod anchor head 10, thereby completing the installation of the retaining wall upright post 1.
The retaining plate 4 is inserted into the reserved slots 103 of the retaining wall upright posts 1, soil cultivation and backfilling are carried out, grass seed varieties with developed root systems, drought resistance, cold resistance and high greening degree are selected for sowing, the grass seeds are covered by the non-woven fabrics and are manually beaten and pressed, the stability of the grass seeds is ensured, the loss phenomenon is prevented, after the grass seeds are fully sowed, water spraying maintenance work is carried out, vegetation growth conditions are observed subsequently, the sparse area is subjected to supplementary sowing, and the construction of the retaining wall structure is completed.
According to the construction method of the side slope retaining wall structure, the pre-stressed anchor cable 2 is combined with the anchor rod 3, the anchor rod 3 can be stressed rapidly, the pre-stressed anchor cable 2 can provide larger anti-slip force, the stability of a side slope is improved, the side slope slumping risk is reduced, the prefabricated retaining wall upright post 1 and the retaining plate 4 are introduced, the construction period can be effectively shortened, the engineering quality is improved, the construction safety hidden danger is reduced, the soil is backfilled between the retaining plates 4, an integral plant growth layer is formed on a large-volume masonry structural surface, the side slope retaining wall structure has the side slope reinforcing effect, is safe and reliable, has a greening effect on the side slope, is environment-friendly and attractive, and can be suitable for construction conditions with limited space.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (10)
1. Side slope barricade structure, its characterized in that includes:
the retaining wall upright posts (1) are arranged on the cast-in-situ foundation (5) and are abutted against the slope surface;
one end of the pre-stress anchor cable (2) is connected with the retaining wall upright post (1), and the other end of the pre-stress anchor cable is embedded into a slope rock stratum;
the anchor rod (3), one end of the anchor rod (3) is connected with the retaining wall upright post (1), and the other end of the anchor rod is embedded into the slope stratum;
the retaining plates (4) are inserted between two adjacent retaining wall columns (1), and backfill spaces are formed between the retaining plates (4) and slope surfaces.
2. A side slope wall structure according to claim 1, characterized in that a temporary anchor layer (6) is arranged between the wall column (1) and the side slope surface, and the pre-stressed anchor cable (2) and the anchor rod (3) both penetrate through the temporary anchor layer (6).
3. A side slope retaining wall structure according to claim 2, characterized in that a leveling layer (7) is provided between the retaining wall column (1) and the temporary anchor spraying layer (6).
4. A side slope retaining wall structure according to claim 1, characterized in that the bottom of the cast-in-place foundation (5) is provided with a leveling layer (8).
5. The side slope retaining wall structure according to claim 1, characterized in that the retaining wall upright (1) is provided with anchor cable holes (101), and the pre-stressed anchor cable (2) penetrates through the anchor cable holes (101) and is connected with anchor cable heads (9).
6. The side slope retaining wall structure according to claim 1, characterized in that the retaining wall column (1) is provided with a bolt hole (102), and the bolt (3) penetrates through the bolt hole (102) and is connected with a bolt head (10).
7. The side slope retaining wall structure according to claim 1, characterized in that the retaining wall column (1) is provided with a reserved slot (103), and the retaining plate (4) is inserted into the reserved slot (103).
8. A side slope retaining wall structure according to claim 1, characterized in that the retaining wall column (1) is provided with a lifting ring (104).
9. The side slope retaining wall structure according to claim 1, characterized in that a first reserved steel plate (11) is arranged at the bottom of the retaining wall upright (1), a first anchor bar (12) is arranged on the first reserved steel plate (11), the first anchor bar (12) is connected with the retaining wall upright (1), a second reserved steel plate (13) is arranged at the top of the cast-in-situ foundation (5), the first reserved steel plate (11) and the second reserved steel plate (13) are welded, a second anchor bar (14) is arranged on the second reserved steel plate (13), and the second anchor bar (14) is connected with the cast-in-situ foundation (5).
10. A slope retaining wall structure construction method for constructing a slope retaining wall structure according to any one of claims 1 to 9, comprising the steps of:
s100, prefabricating a retaining wall upright post (1), synchronously excavating a side slope, and constructing a temporary anchor spraying layer (6) and a cast-in-situ foundation (5);
s200, hoisting the retaining wall upright post (1) to a construction site, erecting the retaining wall upright post (1) on a steel backing plate (15), pushing the retaining wall upright post (1) to the installation position of the slope surface, and penetrating the anchor rod (3) and the prestressed anchor cable (2) through the retaining wall upright post (1);
s300, tightening and locking the anchor rod (3), welding a first reserved steel plate (11) and a second reserved steel plate (13) between the retaining wall upright post (1) and the cast-in-situ foundation (5), tensioning and locking the prestressed anchor cable (2), and applying prestress to finish the anchor head and anchor sealing construction of the prestressed anchor cable (2);
s400, inserting the soil retaining plate (4) into a reserved slot (103) of the retaining wall upright post (1), filling tillage planting soil between the soil retaining plate (4) and the slope surface, and sowing grass seeds for greening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310607869.1A CN116695777A (en) | 2023-05-26 | 2023-05-26 | Side slope retaining wall structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310607869.1A CN116695777A (en) | 2023-05-26 | 2023-05-26 | Side slope retaining wall structure and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116695777A true CN116695777A (en) | 2023-09-05 |
Family
ID=87835002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310607869.1A Pending CN116695777A (en) | 2023-05-26 | 2023-05-26 | Side slope retaining wall structure and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116695777A (en) |
-
2023
- 2023-05-26 CN CN202310607869.1A patent/CN116695777A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8528296B1 (en) | Method of installing a foundation system for modular system—smart buildings | |
| US8966855B1 (en) | Foundation system for modular system smart buildings | |
| CN103590408B (en) | The perpendicular anchor support system of a kind of double-row pile beam and constructional method thereof | |
| CN104676110A (en) | On-site overhanging protection method of high-voltage cable bailey truss under condition of excavation of foundation pit | |
| CN102162258B (en) | Concrete-filled steel tubular high-pile tower footing structure of tower crane and construction method thereof | |
| CN110847224A (en) | Filling slope gravity retaining wall reinforcing structure and construction method thereof | |
| CN106498950A (en) | Anchor head is placed in the Pile-Anchor Supporting for Deep Excavation system and its implementation of pile body | |
| CN112095656A (en) | Tension-compression combined type prestressed anchor cable retaining wall structure | |
| CN110777802A (en) | Deep foundation pit high-low span supporting structure and construction method thereof | |
| CN106120805B (en) | The construction method of ultra-deep foundation pit supporting under dilapidated house environment | |
| CN113863706B (en) | Construction method and application device of existing building low-clearance lower rotary-jet static pressure composite pile | |
| CN108035360B (en) | A method of for pattern foundation pit supporting structure | |
| CN111749249B (en) | Building enclosure construction method for protecting existing building in foundation pit | |
| CN220927933U (en) | Side slope retaining wall structure | |
| CN116695777A (en) | Side slope retaining wall structure and construction method thereof | |
| CN209243910U (en) | A kind of side slope building structure | |
| CN108005086B (en) | A kind of high buttress counter pull type inclined support structure for pattern foundation pit supporting structure | |
| CN206385549U (en) | For soft stratum close to underground structure foundation pit supporting system | |
| CN212715876U (en) | Socket type disc buckle type steel pipe support | |
| JP3244324B2 (en) | Mountain retaining method | |
| CN107190757B (en) | The construction method and support system of recyclable system of deep foundation pit support can be assembled | |
| CN218952197U (en) | Foundation pit concrete support and steel upright post connection structure | |
| CN217480236U (en) | Pile-plate type retaining wall suitable for high slope | |
| CN115506571B (en) | Scaffold foundation fixing system for loess slope and construction method | |
| CN115030155B (en) | Construction method of photovoltaic support precast pile for harder stratum based on grouting process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |