CN114922223A - Rigid and flexible anchoring and pulling type light assembly retaining wall, roadbed widening structure and construction method - Google Patents
Rigid and flexible anchoring and pulling type light assembly retaining wall, roadbed widening structure and construction method Download PDFInfo
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- CN114922223A CN114922223A CN202210552165.4A CN202210552165A CN114922223A CN 114922223 A CN114922223 A CN 114922223A CN 202210552165 A CN202210552165 A CN 202210552165A CN 114922223 A CN114922223 A CN 114922223A
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- 238000010276 construction Methods 0.000 title claims abstract description 79
- 238000004873 anchoring Methods 0.000 title claims description 16
- 239000004567 concrete Substances 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 85
- 239000010959 steel Substances 0.000 claims description 85
- 239000002689 soil Substances 0.000 claims description 33
- 238000005096 rolling process Methods 0.000 claims description 30
- 238000009434 installation Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 13
- 230000003014 reinforcing effect Effects 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 5
- 238000005056 compaction Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
- E02D29/0233—Retaining or protecting walls comprising retention means in the backfill the retention means being anchors
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0266—Retaining or protecting walls characterised by constructional features made up of preformed elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to the technical field of retaining walls, in particular to a rigid and flexible anchoring-pulling type light assembly retaining wall, a roadbed widening structure and a construction method. The utility model provides a light-duty assembly retaining wall of rigid and flexible anchor formula can effectively promote wall body antiskid, antidumping ability, shortens the bottom plate width, has optimized the structure atress, has simplified structural style to reduce the construction degree of difficulty and risk, have higher application prospect and economic benefits, the curved panel can effectively exert concrete compressive property, can reduce panel thickness and reduce the reinforcing bar quantity, and provide the condition for cultivation afforestation in front of the wall.
Description
Technical Field
The invention relates to the technical field of retaining walls, in particular to a rigid and flexible anchoring and pulling type light assembling retaining wall, a roadbed widening structure and a construction method.
Background
The retaining wall structure is widely adopted in the engineering construction of China, the national economic development is powerfully promoted, but the cast-in-place retaining wall structure has the advantages of large material consumption, large floor area, high labor intensity of workers, low work efficiency, large construction environmental pollution, poor wall quality, more diseases at the later stage, incapability of adapting to the new-stage construction requirements, factory standardized prefabrication, assembly construction, good wall quality, short construction period, low labor cost, small construction pollution and environmental disturbance and the like, and has good application prospect.
China is in short land resources, a large number of road shoulder walls can be applied to highway engineering reconstruction and expansion projects, the assembled L-shaped retaining walls (cantilevers and counterfort retaining walls) and the assembled reinforced retaining walls are widely researched and applied at the present stage, the assembled L-shaped retaining walls mainly comprise split original cast-in-place wall structures, panels, bottom plates and rib plates are prefabricated, and then the assembled L-shaped retaining walls are assembled into a whole in a bolt or on-site local pouring mode, but the joints of the bottom plates and the panels are weak in stress and are also the positions with the largest stress, so that the structure is weak in bearing capacity, the width of the bottom plates is large, the occupied area is large, the foundation leveling difficulty during assembly construction is large, and the factors limit the development of the retaining walls. The assembled reinforced retaining wall provides horizontal tension for the panel through the high polymer rib belt embedded in the embankment to ensure the overall stability of the embankment, but the deformation of the high polymer rib belt is large after stress, the panel is prone to outward inclination in the rolling process, the application of the prior vertical panel structure is also gradually reduced, and the assembled reinforced retaining wall also comprises an assembled anchoring plate retaining wall which is composed of a pull rod, a panel and a stand column, the horizontal tension is provided by the pull rod to ensure the stability of the wall body, and the problem that the roadbed is difficult to roll and construct due to the rigid pull rod causes less application at present.
When an old road is reconstructed and expanded on a highway, the width of the expanded part is narrow (generally 5-7 m), and when the height of a wall body is high, the L-shaped retaining wall is limited in use due to the fact that the width of a bottom plate of the L-shaped retaining wall is too wide (the height-width ratio is generally about 1: 0.8), and certain construction defects exist in a reinforced retaining wall and an anchoring plate retaining structure, so that the gravity retaining wall can be adopted generally.
Disclosure of Invention
The invention aims to: aiming at the problems that in the prior art, when a road is reconstructed and expanded to an old road, the width of the expanded part is narrow, and when the height of a wall body is high, only a gravity retaining wall can be generally adopted, a rigid and flexible anchoring and pulling type light assembling retaining wall, a roadbed widening structure and a construction method for the roadbed widening structure are provided.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a light-duty assembly retaining wall of rigid and flexible anchor formula, includes base and roof, be connected with the stand that two piece at least intervals set up on the base, it is adjacent be connected with the cambered plate between the stand, all the cambered plate orientation homonymy evagination, all stand upper portion with the roof is connected, the stand is connected with the hawser pull rod, the hawser pull rod orientation the setting is extended to the evagination side of cambered plate.
The application a light-duty assembly retaining wall of rigid and flexible anchor formula is provided retaining wall basis by the base, constitutes the wall by the stand of assembly on the base and the cambered plate of connection on the stand, connects into whole by roof and base with the wall, the anchor rope pull rod orientation the cambered plate evagination side extends the setting, and when using, the earth is filled out to the evagination side of cambered plate, and the anchor rope pull rod is inside filling out for the anchor rope pull rod can provide horizontal resistance, can effectively promote wall body cling compound, antidumping ability, shortens the bottom plate width, has optimized the structure atress, has simplified structural style, and has reduced the construction degree of difficulty and risk, has higher application prospect and economic benefits.
Simultaneously, the extrados side of arc panel is to filling soil, and the arc panel has improved traditional fender soil panel structure atress characteristic, and panel structure becomes for the compression member by the tension member, can effectively exert concrete compressive property, and then can reduce panel thickness and reduce the reinforcing bar quantity, and the arc structure outward appearance is more pleasing to the eye simultaneously to cultivation afforestation provides the condition before the wall.
Preferably, the middle stand includes first cylinder, one side that first cylinder is close to the cambered surface board is provided with first opening, the corresponding tip of adjacent cambered surface board supports each other and leans on, and the corresponding tip of adjacent cambered surface board jointly with first opening location fit.
Preferably, the top of the first column is connected with a top protrusion, the bottom of the first column is connected with a bottom protrusion, the base is provided with a first groove matched with the bottom protrusion in a positioning manner, and the top plate is provided with a third groove matched with the bottom protrusion in a positioning manner.
Preferably, the first column body is provided with a first anchor cable hole for connecting a corresponding anchor cable pull rod.
Preferably, all the first anchor cable holes on the same first cylinder are arranged at intervals along the height direction.
Preferably, the first anchor cable hole is located in the first opening, and a side surface of the first opening is attached to an inner side surface of the arc-shaped panel on the corresponding side.
Preferably, at least one of said mooring line stays is located between adjacent said curved panels.
Preferably, all the arc-shaped panels are distributed in an array mode, and the end portion, close to the arc-shaped panels, of at least one anchor rope pull rod is located at the intersection point of the corresponding four adjacent arc-shaped panels.
Preferably, the upright post at the end part comprises a second post body, a second opening is formed in one side, close to the arc-shaped panel, of the second post body, the outer end part of the arc-shaped panel at the end part is in positioning fit with the second opening, and the second post body is respectively in positioning fit with the base and the top plate.
Preferably, the top of the second column body is connected with a top protrusion, the bottom of the second column body is connected with a bottom protrusion, the base is provided with a first groove matched with the bottom protrusion in a positioning mode, and the top plate is provided with a third groove matched with the bottom protrusion in a positioning mode.
Preferably, the second column body is provided with a second anchor cable hole for connecting the anchor cable pull rod.
Preferably, all the second anchor cable holes on the same second column are arranged at intervals in the height direction.
Preferably, the base comprises at least two base units connected in series.
Preferably, adjacent base unit is defined as first base unit and second base unit, first base unit is close to one side of second base unit is provided with the second arch, second base unit is close to one side of first base unit be provided with the protruding matched with second recess of second.
Preferably, the base unit comprises a first plate-like structure, a first tenon being connected to a lower portion of the first plate-like structure.
After setting up the base, provide the basis for this retaining wall structure, make it can be applied to all kinds of foundations, first tenon and the first platelike structure on the basis can promote the skid resistance and the anti ability that topples of wall body of retaining wall basement by great degree simultaneously, provide resistance simultaneously for the outer protruding side first layer of cambered surface board is filled out soil and is rolled the construction.
Specifically, at least two base units are provided with first grooves matched with the corresponding upright posts in a positioning manner.
Preferably, the top plate includes at least two top plate units connected in sequence.
Preferably, adjacent roof units are defined as a first roof unit and a second roof unit, a fourth protrusion is arranged on one side, close to the second roof unit, of the first roof unit, a fourth groove is arranged on one side, close to the first roof unit, of the second roof unit, and at least two third grooves matched with the columns in a positioning mode are arranged on the roof units.
Preferably, the arc-shaped panel is provided with an anchor cable hole groove and a drain hole in a penetrating manner, and the drain hole is located in the middle of the arc-shaped panel.
Preferably, the arc-shaped panel is a circular arc-shaped cross-section member.
Preferably, the anchor rope pull rod includes the steel strand wires, steel strand wires one end is connected with the anchoring piece, the steel strand wires other end runs through be connected with the anchor head behind the stand.
Preferably, the anchor head is abutted against the upright column, the steel strand is sleeved with a plastic hose, and the plastic hose is sleeved with a steel wire hose.
Set up plastic hose can prevent that later stage steel strand wires from corroding, and steel wire hose can prevent to construct and destroy plastic hose when rolling.
Preferably, the anchor head includes and follows steel strand wires length direction overlaps in proper order and locates first steel backing plate, first ground tackle, concrete seal anchor, interim elastic component, interim steel backing plate and interim ground tackle on the steel strand wires, wherein, first steel backing plate with concrete seal anchor all with stand looks butt, concrete seal anchor is close to one side of stand is provided with the cavity, first steel backing plate and first ground tackle are located in the cavity, interim elastic component is in compression state, interim ground tackle with steel strand wires fixed connection.
When the filling height of the wall back reaches the position for arranging the anchor rope pull rod, a prefabricated anchor block is embedded in the groove on the filling surface, and the galvanized unbonded low-loose steel stranded wires are placed into the notches along the direction of the anchor rope pull rod, the free ends of the galvanized unbonded low-loose steel stranded wires sequentially penetrate through the upright post, the first steel backing plate, the first anchorage device, the temporary elastic part, the temporary steel backing plate and the temporary anchorage device, the anchorage device is temporarily unlocked when the galvanized unbonded low-loose steel stranded wires penetrate through the first anchorage device, after the anchor rope pull rod is installed, tensioning and locking the temporary anchorage device, wherein the load locking requirement can ensure that the deformation of the wall body does not exceed a certain limit value in the rolling process, then starting filling and rolling of the filling structure, withdrawing the road roller after the rolling of the roadbed is finished, and tensioning and locking the first anchor, removing the temporary elastic part, the temporary steel backing plate and the temporary anchor after locking is finished, cutting off redundant parts of the steel strands, and pouring concrete for sealing the anchor to finish the construction of the primary anchor rope pull rod.
When the temporary elastic part, the temporary steel backing plate and the temporary anchorage device are arranged for filling and rolling construction, because the temporary elastic part has certain deformation capacity, under the action of heavy rolling load, the steel strand in a low relaxation state and the temporary anchorage device can be properly contracted towards the back side of the wall together to form a coordinated deformation condition, the retaining wall body of the application is allowed to be properly outwards inclined and deformed, the damage to the panel and the upright post caused by overlarge vibration load of the road roller can be avoided, meanwhile, because the anchor rope pull rod is of a flexible structure, the heavy road roller can be directly used for compacting, the compaction quality of wall back filling can be ensured without damaging the structure of the anchor rope pull rod, the problem that the pull rod is easily crushed in the rolling construction of the retaining wall back of the traditional L-shaped retaining wall back by using a small hydraulic press is solved, and the problem that the lateral deformation of the panel is overlarge is solved simultaneously, the construction difficulty is reduced and the construction quality is guaranteed.
The invention also discloses a roadbed widening structure which comprises an existing roadbed and the rigid and flexible anchor-pull type light assembly retaining wall, wherein the rigid and flexible anchor-pull type light assembly retaining wall is positioned on one side of the existing roadbed, a filling structure is arranged between the rigid and flexible anchor-pull type light assembly retaining wall and the existing roadbed, the filling structure is positioned on the outer convex side of the arc-shaped panel, and at least one part of the anchor rope pull rod is positioned in the filling structure.
When an old road is widened during road reconstruction and expansion, the width of the widened part is narrow (generally 5-7 m), when the height of a wall body is high, the L-shaped retaining wall is limited due to too wide width of a bottom plate (the height-width ratio is generally about 1: 0.8), and certain construction defects exist in a reinforced retaining wall and an anchoring plate retaining structure, so that the L-shaped retaining wall and the anchoring plate retaining structure can be generally used only by adopting a gravity retaining wall And the construction difficulty and risk are reduced, and the method has a high application prospect and economic benefit.
The invention also discloses a construction method for the roadbed widening structure, which comprises the following steps:
s1, embedding and installing the base on a foundation;
s2, mounting the upright column on the base;
s3, buckling the first row of arc-shaped panels on the corresponding upright posts;
s4, performing soil filling operation of the soil filling structure, performing layered rolling construction of the soil filling operation, mounting a second row of arc-shaped panels on the upper portion of the first row of arc-shaped panels when soil is filled to the top of the first row of arc-shaped panels, and performing soil filling construction to enable the arc-shaped panel mounting and the soil filling operation to be performed alternately, wherein,
A1. when the filling height reaches the position where the anchor rope pull rod is arranged, embedding a prefabricated anchoring block in a groove on the surface of the filling, grooving along the direction of the anchor rope pull rod, putting the steel strand into the groove, sequentially penetrating the anchor rope pull rod through the arc-shaped panel and the upright column, sequentially installing a steel backing plate, an anchorage device, a temporary elastic part, a temporary steel backing plate and a temporary anchorage device, wherein the first steel backing plate and the concrete seal anchor are abutted against the upright column, a cavity is arranged on one side of the concrete seal anchor close to the upright column, the first steel backing plate and the first anchorage device are positioned in the cavity, and the temporary anchorage device is fixedly connected with the steel strand;
A2. firstly locking a temporary anchorage device to enable the temporary elastic piece to be in a compression state, then continuously rolling and filling, when the wall back filling construction reaches the elevation position of a drain hole, arranging a reverse filter layer and a PVC drain pipe on the drain hole, and then continuously filling and rolling, wherein the arc panel penetrates through the arc panel;
A3. after the filling construction of the corresponding layer is finished, the temporary elastic piece extrudes the wall body to restore the original shape by means of thrust generated by elastic restoration, the anchorage device is locked after the wall body deforms stably, then the temporary steel backing plate and the temporary anchorage device are sequentially removed, and finally concrete is poured for sealing the anchorage device, so that the construction of the anchor rope pull rod is finished;
and S4, when the installation of the arc-shaped panel and the soil filling height reach the installation position of the top plate, connecting the top plate with the upright column to finish construction.
This application a construction method that is used for the road bed widen structure, from structure atress rationality, the construction degree of difficulty and reliability are started, synthesize anchor slab retaining wall, L type retaining wall and the advantage that adds muscle retaining wall, research and development a novel retaining wall structure, it is by the base, the roof, a column, arc panel and anchor rope pull rod are constituteed, can effectively promote the wall body cling compound, the antidumping ability, shorten the bottom plate width, reduce the road bed during construction and roll the degree of difficulty, and can control panel lateral deformation problem, the structure atress has been optimized, the structural style has been simplified, and the construction degree of difficulty and risk have been reduced, higher application prospect and economic benefits have.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the application a light-duty assembly retaining wall of rigid and flexible anchor formula is provided the retaining wall basis by the base, constitutes the wall by the stand of assembly on the base and the cambered plate of connection on the stand, connects into whole by roof and base with the wall, the anchor rope pull rod orientation the cambered plate evagination side extends the setting, and when using, the earth is supported and banked up to the evagination side of cambered plate, and the anchor rope pull rod is inside the banket for the anchor rope pull rod can provide horizontal resistance, can effectively promote wall body cling compound, antidumping ability, shortens the bottom plate width, has optimized the structure atress, has simplified structural style, and has reduced the construction degree of difficulty and risk, has higher application prospect and economic benefits.
2. A light-duty assembly retaining wall of rigid-flexible anchor formula, the outer protruding side of arc panel is supported and is filled soil, traditional retaining panel structure atress characteristic has been improved to the arc panel, panel structure becomes for the pressurized component by the tension component, can effectively exert concrete compressive property, and then can reduce panel thickness and reduce the reinforcing bar quantity, arc structure outward appearance is more pleasing to the eye simultaneously to cultivation afforestation provides the condition before for the wall.
3. The application a more optimized structure of light-duty assembly retaining wall of rigid and flexible anchor formula, anchor rope pull rod adopts flexible construction, has set up interim ground tackle and permanent ground tackle simultaneously, has optimized the locking order, has ensured that the wall back of the body is filled earth and can directly adopts conventional road roller to be under construction and rolls, has solved the too big problem of panel lateral deformation simultaneously, has reduced the construction degree of difficulty and has ensured construction quality.
Drawings
FIG. 1 is a schematic perspective view of a rigid flexible anchor-pull lightweight assembled retaining wall of the present application;
FIG. 2 is a schematic cross-sectional view of a rigid flexible anchor-pull lightweight assembled retaining wall of the present application;
FIG. 3 is a schematic plan view of a rigid flexible anchor-pull lightweight assembled retaining wall of the present application;
FIG. 4 is a perspective view of a base of the present application;
FIG. 5 is a schematic perspective view of a column of the present application;
FIG. 6 is a schematic perspective view of a top plate of the present application;
FIG. 7 is a perspective view (one way) of an arcuate panel of the present application;
FIG. 7-1 is a perspective view of an arcuate panel of the present application (another way);
FIG. 8 is a cross-sectional view of an mooring line drawbar according to the present application;
FIG. 9 is a cross-sectional view of an anchor head of the present application;
fig. 10 is a perspective view of a retaining wall end stud of the present application.
Icon: 1-a base; 11-a first groove; 12-a second groove; 13-a second protrusion; 14-a base unit; 15-a first plate-like structure; 16-a first tenon; 17-a first base unit; 18-a second base unit; 2-upright post; 21-top bulge; 22-bottom projection; 23-a first cylinder; 24-a first anchor cable bore; 25-a first opening; 26-a second column; 27-a second opening; 28-a second anchor cable hole; 3-a top plate; 31-a third groove; 32-a fourth groove; 33-a fourth protrusion; 34-a ceiling unit; 35-a first ceiling element; 36-a second ceiling element; 4-an arcuate panel; 41-anchor cable hole slot; 42-a drain hole; 5-anchor rope pull rods; 51-steel strand; 52-plastic hose; 53-steel wire hose; 6-anchor block; 7-an anchor head; 71-a first steel backing plate; 72-a first anchorage; 73-sealing the anchor with concrete; 74-temporary elastic member; 75-temporary steel backing plates; 76-a temporary anchorage; 8-existing roadbed; 9-filling structure.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-10, a rigid-flexible anchoring-pulling type light-weight assembled retaining wall comprises a base 1 and a top plate 3, wherein the base 1 is connected with at least two stand columns 2 arranged at intervals, arc-shaped panels 4 are connected between the stand columns 2, all the arc-shaped panels 4 protrude outwards towards the same side, the upper parts of the stand columns 2 are connected with the top plate 3, the stand columns 2 are connected with anchoring rope pull rods 5, and the anchoring rope pull rods 5 extend towards the protruding sides of the arc-shaped panels 4.
Specifically, the middle upright 2 includes a first column body 23, one side of the first column body 23, which is close to the arc-shaped panels 4, is provided with a first opening 25, the corresponding ends of the adjacent arc-shaped panels 4 abut against each other, and the corresponding ends of the adjacent arc-shaped panels 4 are in positioning fit with the first opening 25 together.
In addition, in a further preferable mode, the first column 23 is provided with a first anchor cable hole 24 for connecting the corresponding anchor cable tie rod 5.
In addition to the above, it is further preferable that all the first anchor cable holes 24 on the same first column 23 are arranged at intervals in the height direction.
In addition, in a further preferable mode, the first anchor cable hole 24 is located in the first opening 25, and a side surface of the first opening 25 is attached to an inner side surface of the corresponding side arc-shaped panel 4.
At least one of said anchor line tension rods 5 is located between adjacent said curved panels 4.
Specifically, the arc panel 4 is a circular arc-shaped cross-sectional member.
All the arc-shaped panels 4 are distributed in an array mode, and the end portion, close to the arc-shaped panels 4, of at least one anchor rope pull rod 5 is located at the intersection point of the corresponding four adjacent arc-shaped panels 4.
On the basis, in a further preferable mode, the upright column 2 at the end portion includes a second column 26, one side of the second column 26, which is close to the arc-shaped panel 4, is provided with a second opening 27, the outer end portion of the arc-shaped panel 4 at the end portion is in positioning fit with the second opening 27, the second column 26 is in positioning fit with the base 1 and the top plate 3 respectively, the second column 26 is provided with a second anchor cable hole 28 for connecting the anchor cable pull rod 5 correspondingly, the top of the second column 26 is connected with a top protrusion 21, the bottom of the second column 26 is connected with a bottom protrusion 22, the base 1 is provided with a first groove 11 in positioning fit with the bottom protrusion 22 correspondingly, and the top plate 3 is provided with a third groove 31 in positioning fit with the bottom protrusion 22 correspondingly.
In addition to the above, it is further preferable that all the second anchor cable holes 28 on the same second column 26 are arranged at intervals in the height direction.
On the basis, in a further preferable mode, the base 1 includes at least two base units 14 connected in sequence, the base units 14 are defined as a first base unit 17 and a second base unit 18, the first base unit 17 is adjacent to one side of the second base unit 18, a second protrusion 13 is disposed on one side of the second base unit 17, and a second groove 12 matched with the second protrusion 13 is disposed on one side of the second base unit 18 adjacent to the first base unit 17.
On the basis, in a further preferable mode, the base unit 14 includes a first plate-shaped structure 15, the lower portion of the first plate-shaped structure 15 is connected with a first tenon 16, after the base 1 is arranged, a foundation is provided for the retaining wall structure, so that the retaining wall structure can be applied to various foundations, meanwhile, the first tenon 16 and the first plate-shaped structure 15 on the foundation can greatly improve the sliding resistance and the wall body anti-overturning capacity of the retaining wall base, and meanwhile, resistance is provided for the first layer soil filling and rolling construction on the outer convex side of the arc-shaped panel 4.
Specifically, at least two base units 14 are provided with first grooves 11 matched with the corresponding upright posts 2 in a positioning manner.
In addition to the above, it is further preferable that the top plate 3 includes at least two top plate units 34 connected in series.
On the basis, in a further preferable mode, the adjacent top plate units 34 are defined as a first top plate unit 35 and a second top plate unit 36, a fourth protrusion 33 is arranged on one side of the first top plate unit 35 close to the second top plate unit 36, a fourth groove 32 is arranged on one side of the second top plate unit 36 close to the first top plate unit 35, and third grooves 31 which are matched with the corresponding columns 2 in a positioning manner are arranged on at least two top plate units 34.
On the basis, in a further preferable mode, the arc-shaped panel 4 is provided with an anchor cable hole groove 41 and a water drainage hole 42 in a penetrating manner, and the water drainage hole 42 is located in the middle of the arc-shaped panel 4.
On the basis, in a further preferable mode, the anchor rope pull rod 5 comprises a steel strand 51, one end of the steel strand 51 is connected with the anchoring block 6, and the other end of the steel strand 51 penetrates through the upright post 2 and then is connected with the anchor head 7.
On the basis, in a further preferred mode, the anchor head 7 is abutted to the upright post 2, the steel strand 51 is sleeved with the plastic hose 52, the plastic hose 52 is sleeved with the steel wire hose 53, the plastic hose 52 is arranged to prevent corrosion of the steel strand in the later period, and the steel wire hose 53 can prevent the plastic hose 52 from being damaged during construction and rolling.
Specifically, the anchor head 7 includes along the steel strand 51 length direction is located in proper order the first steel backing plate 71, first ground tackle 72, concrete seal anchor 73, interim elastic component 74, interim steel backing plate 75 and interim ground tackle 76 on the steel strand 51, wherein, first steel backing plate 71 with concrete seal anchor 73 all with stand 2 looks butt, concrete seal anchor 73 is close to one side of stand 2 is provided with the cavity, first steel backing plate 71 and first ground tackle 72 are located in the cavity, interim elastic component 74 is in the compression state, interim ground tackle 76 with steel strand 51 fixed connection.
When the wall back filling height reaches the position for arranging the anchor rope pull rod 5, a prefabricated anchor block 6 is embedded in a groove cut on the filling surface, a galvanized unbonded low-loose steel strand 51 is placed in the groove cut along the direction of the anchor rope pull rod 5, then the free end of the galvanized unbonded low-loose steel strand 51 sequentially passes through the upright post 2, the first steel backing plate 71, the first anchor 72, the temporary elastic piece 74, the temporary steel backing plate 75 and the temporary anchor 76, the anchor is temporarily unlocked when passing through the first anchor 72, after the anchor rope pull rod 5 is installed, the temporary anchor 76 is locked before filling soil, the load is locked as required to ensure that the deformation of the wall body does not exceed a certain limit value in the stretching and rolling process, then the filling and rolling of the filling structure 9 are started, after the roadbed is finished, the road roller is removed, the first anchor 72 is tensioned and locked, after the locking is finished, the temporary elastic piece 74, the temporary steel backing plate 75 and the temporary anchor 76 are removed, cutting off the redundant part of the steel strand 51, and pouring concrete to seal the anchor 73 to complete the construction of the primary anchor rope pull rod 5.
After the temporary elastic member 74, the temporary steel backing plate 75 and the temporary anchorage 76 are arranged, when the soil filling and rolling construction is carried out, because the temporary elastic member 74 has certain deformation capacity, under the action of heavy rolling load, the steel strand 51 in a low relaxation state and the temporary anchorage 76 can be properly contracted towards the back side of the wall together to form a coordinated deformation condition, the soil retaining wall body is allowed to be properly outwards inclined and deformed, the damage to the panel and the upright column caused by overlarge vibration load of the road roller can be avoided, meanwhile, because the anchor rope pull rod 5 is of a flexible structure, the compaction can be directly carried out by the heavy road roller, the compaction quality of the soil filling of the wall back can be ensured without damaging the structure of the anchor rope pull rod 5, the problem that the soil retaining wall back of the traditional L-shaped soil retaining wall is easy to crush during the rolling construction of the wall back of the traditional L-shaped soil retaining wall is solved, and the problem that the lateral deformation of the panel is overlarge is solved at the same time, the construction difficulty is reduced and the construction quality is guaranteed.
One preferred set of the above solutions in construction is as follows:
fig. 1 is a rigid-flexible anchor-pulling type light-weight assembled retaining wall three-dimensional schematic diagram, the structure is provided with a retaining wall foundation by a base 1, a wall surface is formed by a stand column 2 assembled on the base 1 and an arc-shaped panel 4 fixed on the stand column 2, the wall surface is connected into a whole by a top plate 3 and the base 1, horizontal resistance is provided by an anchor rope pull rod 5, and then a novel retaining wall structure is formed.
When the retaining wall structure is short, the base 1 and/or the top plate 3 may be provided as a single body.
Generally, the foundation 1 includes at least two foundation units 14 connected in sequence, fig. 4 is a schematic perspective view of adjacent foundation units 14, the upper portion of each foundation unit 14 is a first plate-shaped structure 15, the bottom portion of each foundation unit is a first tenon 16, each first tenon 16 is a convex structure, the first plate-shaped structure 15 and the first tenon 16 are integrally arranged, a first rectangular parallelepiped-shaped groove 11 is reserved on the first plate-shaped structure 15, two corresponding sides of each adjacent foundation unit 14 are respectively reserved with a second rectangular-shaped groove 12 and a second rectangular-shaped protrusion 13, after foundation treatment, the foundation units 14 are installed one by one along the axial direction of the retaining wall to form the foundation 1, and a strip-shaped retaining wall foundation is formed. After setting up base 1, provide the basis for this type retaining wall, make it can be applied to all kinds of foundations, first tenon 16 and the first platelike structure 15 on the basis can promote the skid resistance and the anti ability that topples of wall body of retaining wall base by a great extent simultaneously, provide resistance simultaneously for the first layer of wall back is filled out soil and is rolled the construction.
The upright 2 is divided into the upright 2 in the middle and the upright 2 at the end part according to different positions, and for the whole rigid-flexible anchoring-pulling type light-weight assembled retaining wall in the embodiment, the upright 2 at the two ends is the upright 2 at the end part, and the upright 2 between the upright 2 at the end parts at the two sides is the upright 2 in the middle.
Fig. 5 is a schematic three-dimensional view of a middle column, the column 2 is composed of a top protrusion 21 in a rectangular shape, a bottom protrusion 22 in a rectangular shape, and a first column 23, the first column 23 is in a rectangular special-shaped structure, the inner side of the first column is provided with two semi-elliptical openings, a first opening 25 with two arc-shaped side faces is formed, first anchor cable holes 24 are reserved on the axis of the first column 23 at certain intervals, and after the base 1 is installed into a strip-shaped foundation, the bottom protrusion 22 is inserted into a first groove 11 reserved in the base 1, so that column installation is completed.
Fig. 10 is a schematic perspective view of a column 2 at an end, the column 2 at the end comprises a second column 26, the second column 26 is of a rectangular special-shaped structure, a semi-elliptical opening and a rectangular protrusion are arranged on the inner side of the second column 26, a second anchor cable hole 28 is reserved on the axis of the second column 26 at a certain vertical interval, and the second anchor cable hole is applied to the end of a rigid-flexible anchor-pull type light-weight assembled retaining wall.
Fig. 7 is a schematic perspective view of an arc-shaped panel 4, wherein anchor cable hole grooves 41 and drain holes 42 are reserved in the arc-shaped panel 4, after the base 1 and the stand column 2 are installed, the arc-shaped panel 4 is buckled on the stand column 2, the same row of arc-shaped panels 4 are installed simultaneously during installation, after installation is completed, earth filling and rolling construction is started on the wall back (the convex side of the arc-shaped panel 4), when the position of the drain hole 42 is reached, a drainage position is reserved in the arc-shaped panel 4, a reversed filter layer and a PVC drain pipe are arranged, earth filling and rolling are continued, when the earth filling height reaches the designed anchor rope pull rod 5 position, anchor rope pull rod construction is carried out, earth filling and rolling are continued, and the operations are repeated, so that earth filling construction of the wall body and the wall back is completed.
Fig. 8 is a section view of anchor rope pull rod 5, the anchor rope pull rod is by prefabricated anchor block 6, anchor head 7 and zinc-plated unbonded low lax steel strand wires 51 are constituteed, pour steel strand wires 51 one end and prefabricated anchor block 6 together during prefabrication, the other end later stage adopts the anchorage device to lock it on stand 2, steel strand wires 51 overcoat one deck high strength corrosion resistant plastic hose 52, plastic hose 52 outside overlaps one deck wire hose 53 again, set up plastic hose 52 and can prevent that later stage wire strand wires from corroding, wire hose 53 can prevent to construct and destroy plastic hose 52 when rolling.
Fig. 9 is a cross-sectional view of the anchor head 7, which is composed of a first steel shim plate 71, a first anchorage device 72, a concrete seal 73, a temporary elastic member 74, a temporary steel shim plate 75 and a temporary anchorage device 76, wherein the spring 74 is preferably a high-strength composite spring.
Fig. 6 is a schematic perspective view of a top plate 3, the top plate 3 is a cuboid structure, a cuboid third groove 31 is reserved at the bottom, a cuboid fourth groove 32 and a fourth protrusion 33 are respectively arranged at two corresponding sides of adjacent top plate units 34, and when the filling height reaches the position of arranging the top plate 3, the top plate 3 is connected with the upright column 2 through the groove 31, so that the construction of the retaining wall is completed.
The concave-convex connection structure that base 1 and roof 3 set up can effectively be connected retaining wall as an organic whole, has restricted 4 lateral difference of arc panel and has warp, and roof 3 sets up to arc panel 4 provides the condition for the arc structure simultaneously to can provide the basis for anticollision barrier, make it can regard as the curb wall to use.
The retaining wall of the invention has no retaining wall bottom plate, solves the problems of wider width, limited application and large construction leveling difficulty of the existing assembled L-shaped cantilever and the retaining wall bottom plate of the counterfort, and saves the using amount of reinforced concrete by more than 30 percent because of no bottom plate and the optimized stress system.
2 the retaining wall of the invention is additionally provided with the base 1 and the top plate 3, thereby solving the problem of overlarge foundation burying depth of the retaining wall of the traditional anchor plate, limiting the lateral differential deformation and ensuring that the retaining wall of the invention can adapt to various foundations.
3 the retaining wall of the invention adopts the structure of the flexible anchor rope pull rod 5 and the temporary anchorage 76, which can effectively limit the lateral deformation of the arc-shaped panel 4, solve the problem that the lateral deformation of the traditional anchoring plate and the reinforced retaining wall is too large and affects the construction quality, and simultaneously, the wall back can be directly compacted by a road roller, thereby reducing the rolling construction difficulty of the wall back and increasing the filling compaction quality of the wall back.
4 the arc-shaped panel 4 adopted by the invention changes the panel from a bending component into a compression component, can better play the compression resistance characteristic of the concrete structure, can effectively reduce the thickness of the concrete panel and the using amount of reinforcing steel bars, and can change the stress direction transmitted by the panel to the upright post 2, so that the stress combination of the anchor rope pull rod 5, the upright post 2 and the arc-shaped panel 4 is better.
5 each rod piece of the invention is independent and has relatively regular shape, thus being convenient for transportation, convenient for field assembly without wet connection, faster in field construction speed and convenient for dismantling and recycling.
6 this application a light-duty assembly retaining wall of rigid and flexible anchor formula is drawn, provide the retaining wall basis by base 1, constitute the wall by the stand 2 of assembly on base 1 and the arc panel 4 of connection on stand 2, connect into whole by roof 3 and base 1 with the wall, anchor rope pull rod 5 orientation 4 evagination of arc panel extends the setting, and when using, the fill-out is supported to the 4 evagination sides of arc panel, and anchor rope pull rod 5 is inside the fill-out for anchor rope pull rod 5 can provide the horizontal resistance, can effectively promote wall body cling compound, antidumping ability, shortens the bottom plate width, has optimized the structure atress, has simplified structural style, and has reduced the construction degree of difficulty and risk, has higher application prospect and economic benefits.
7 fill out soil is supported to 4 evagination sides of arc panel, and arc panel 4 has improved traditional fender soil panel structure atress characteristic, and panel structure becomes for the compression component by pulling the component, can effectively exert concrete compressive property, and then can reduce panel thickness and reduce the reinforcing bar quantity, and arc structure outward appearance is more pleasing to the eye simultaneously to cultivation afforestation provides the condition before the wall.
Example 2
The invention also discloses a roadbed widening structure which comprises an existing roadbed 8 and the rigid-flexible anchor-pull type light assembly retaining wall, wherein the rigid-flexible anchor-pull type light assembly retaining wall is positioned on one side of the existing roadbed 8, a soil filling structure 9 is arranged between the rigid-flexible anchor-pull type light assembly retaining wall and the existing roadbed 8, the soil filling structure 9 is positioned on the outer convex side of the arc-shaped panel 4, and at least one part of the anchor rope pull rod 5 is positioned in the soil filling structure 9.
When an old road is widened during road reconstruction and expansion, the width of the widened part is generally narrow and is 5-7 m, when the height of a wall body is high, the L-shaped retaining wall is limited due to the fact that the width of the bottom plate of the L-shaped retaining wall is too wide, the height-width ratio is generally about 1:0.8, and the reinforced retaining wall and the retaining structure of the anchoring plate have certain construction defects, so that the gravity retaining wall can be adopted generally, and in order to solve the problem, the novel retaining wall structure is developed by integrating the advantages of the retaining wall, the L-shaped retaining wall and the reinforced retaining wall from the aspects of structural stress rationality, construction difficulty and reliability, and is composed of a base, a top plate, a stand column, an arc panel and an anchor rope pull rod, the anti-sliding and anti-overturning capacity of the wall body can be effectively improved, the width of the bottom plate is shortened, the rolling difficulty of a roadbed during construction can be reduced, the lateral deformation problem of the panel can be controlled, the structural stress can be optimized, and the structural form is simplified, And the construction difficulty and risk are reduced, and the method has a higher application prospect and economic benefit.
Example 3
The invention also discloses a construction method for the roadbed widening structure, which comprises the following steps:
s1, embedding and installing the base 11 on a foundation;
s2, mounting the upright post 2 on the base 11;
s3, buckling the first row of arc-shaped panels 4 on the corresponding upright posts 2;
s4, performing soil filling operation of the soil filling structure 9, performing layered rolling construction of the soil filling operation, mounting a second row of arc-shaped panels 4 on the upper parts of the first row of arc-shaped panels 4 when soil is filled to the top of the first row of arc-shaped panels 4, performing soil filling construction, and further performing the mounting of the arc-shaped panels 4 and the soil filling operation alternately, wherein,
A1. when the filling height reaches the position for arranging the anchor rope pull rod 5, embedding a prefabricated anchor block 6 in a groove on the surface of the filling, arranging the steel strand 51 in the groove along the direction of the anchor rope pull rod 5, sequentially penetrating the anchor rope pull rod 5 through the arc-shaped panel 4 and the upright post 2, sequentially installing a steel backing plate 71, an anchor 72, a temporary elastic piece 74, a temporary steel backing plate 75 and a temporary anchor 76, wherein the first steel backing plate 71 and the concrete seal anchor 73 are abutted against the upright post 2, a cavity is arranged on one side of the concrete seal anchor 73 close to the upright post 2, the first steel backing plate 71 and the first anchor 72 are positioned in the cavity, and the temporary anchor 76 is fixedly connected with the steel strand 51;
A2. before the filling construction of the layer, locking a temporary anchorage device 76 to enable the temporary elastic piece 74 to be in a compressed state, then rolling and filling, when the filling construction of the wall back reaches the elevation position of the drain hole 42, arranging a reverse filtering layer and a PVC drain pipe on the drain hole 42, and then continuously filling and rolling;
A3. after the layer of filling construction is finished, the temporary elastic piece 74 extrudes the wall body to restore the original shape by means of thrust generated by elastic restoration, the anchorage device 72 is locked after the wall body deforms stably, then the temporary steel backing plate 75 and the temporary anchorage device 76 are sequentially removed, and finally the concrete sealing anchor 73 is poured to finish the construction of the anchor rope pull rod 5;
and S4, when the installation of the arc-shaped panel 4 and the soil filling height reach the installation position of the top plate 3, connecting the top plate 3 with the upright post 2 to finish construction.
This application a construction method that is used for the road bed widen structure, from structure atress rationality, the construction degree of difficulty and reliability are started, synthesize anchor slab retaining wall, L type retaining wall and the advantage that adds muscle retaining wall, research and development a novel retaining wall structure, it is by the base, the roof, a column, arc panel and anchor rope pull rod are constituteed, can effectively promote the wall body cling compound, the antidumping ability, shorten the bottom plate width, reduce the road bed during construction and roll the degree of difficulty, and can control panel lateral deformation problem, the structure atress has been optimized, the structural style has been simplified, and the construction degree of difficulty and risk have been reduced, higher application prospect and economic benefits have.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a light-duty assembly retaining wall of rigid and flexible anchor formula, its characterized in that, includes base (1) and roof (3), be connected with stand (2) that two piece at least intervals set up on base (1), it is adjacent be connected with arc panel (4), all between stand (2) arc panel (4) orientation homonymy evagination, all stand (2) upper portion with roof (3) are connected, stand (2) are connected with anchor rope pull rod (5), anchor rope pull rod (5) orientation arc panel (4) evagination extend the setting.
2. A rigid-flexible anchoring-pulling type lightweight assembled retaining wall according to claim 1, characterized in that the middle upright post (2) comprises a first column body (23), one side of the first column body (23) close to the arc-shaped panels (4) is provided with a first opening (25), corresponding ends of the adjacent arc-shaped panels (4) are abutted against each other, and the corresponding ends of the adjacent arc-shaped panels (4) are together positioned and matched with the first opening (25);
and/or the presence of a gas in the gas,
the upright column (2) at the end part comprises a second column body (26), a second opening (27) is formed in one side, close to the arc-shaped panel (4), of the second column body (26), the outer end part of the arc-shaped panel (4) at the end part is in positioning fit with the second opening (27), and the second column body (26) is in positioning fit with the base (1) and the top plate (3) respectively.
3. The rigid-flexible anchoring-pulling type light-weight assembled retaining wall according to claim 2, characterized in that when the middle upright column (2) comprises a first column body (23), a top protrusion (21) is connected to the top of the first column body (23), a bottom protrusion (22) is connected to the bottom of the first column body (23), a first groove (11) which is matched with the corresponding bottom protrusion (22) in a positioning manner is formed in the base (1), and a third groove (31) which is matched with the corresponding bottom protrusion (22) in a positioning manner is formed in the top plate (3);
when the tip stand (2) when including second cylinder (26), second cylinder (26) top is connected with top arch (21), second cylinder (26) bottom is connected with bottom arch (22), be provided with on base (1) and correspond bottom arch (22) location fit's first recess (11), be provided with on roof (3) and correspond bottom arch (22) location fit's third recess (31).
4. A rigid-flexible anchor-pull type lightweight assembled retaining wall according to claim 2,
when the middle upright post (2) comprises a first post body (23), first anchor cable holes (24) used for connecting corresponding anchor cable pull rods (5) are formed in the first post body (23), and all the first anchor cable holes (24) in the same first post body (23) are arranged at intervals in the height direction;
when the upright post (2) at the end part comprises a second post body (26), the second post body (26) is provided with second anchor cable holes (28) used for connecting the corresponding anchor cable pull rods (5), and all the second anchor cable holes (28) on the same second post body (26) are arranged at intervals along the height direction.
5. A rigid-flexible anchor-pulling type lightweight assembled retaining wall according to claim 1, wherein the base (1) comprises at least two base units (14) connected in sequence, the adjacent base units (14) are defined as a first base unit (17) and a second base unit (18), one side of the first base unit (17) close to the second base unit (18) is provided with a second protrusion (13), and one side of the second base unit (18) close to the first base unit (17) is provided with a second groove (12) matched with the second protrusion (13); the base unit (14) comprises a first plate-shaped structure (15), and a first tenon (16) is connected to the lower part of the first plate-shaped structure (15).
6. A rigid-flexible anchor-pull type lightweight assembled retaining wall according to any one of claims 1 to 5, characterized in that the top plate (3) comprises at least two top plate units (34) connected in sequence, the adjacent top plate units (34) are defined as a first top plate unit (35) and a second top plate unit (36), a fourth protrusion (33) is arranged on one side of the first top plate unit (35) close to the second top plate unit (36), a fourth groove (32) is arranged on one side of the second top plate unit (36) close to the first top plate unit (35), and a third groove (31) matched with the corresponding upright column (2) is arranged on at least two top plate units (34).
7. A rigid-flexible anchoring-pulling type light-weight assembled retaining wall according to any one of claims 1 to 5, characterized in that the arc-shaped panel (4) is a circular arc-shaped cross-section member, an anchor cable hole groove (41) and a drainage hole (42) are arranged on the arc-shaped panel (4) in a penetrating manner, and the drainage hole (42) is positioned in the middle of the arc-shaped panel (4).
8. A rigid-flexible anchoring-pulling type light-weight assembled retaining wall according to any one of claims 1 to 5, characterized in that the anchoring-rope pulling rod (5) comprises a steel strand (51), one end of the steel strand (51) is connected with an anchoring block (6), and the other end of the steel strand (51) penetrates through the upright column (2) and then is connected with an anchor head (7); the anchor head (7) is abutted against the upright post (2), a plastic hose (52) is sleeved outside the steel strand (51), and a steel wire hose (53) is sleeved outside the plastic hose (52); anchor head (7) include along steel strand wires (51) length direction overlaps in proper order and locates first steel backing plate (71), first ground tackle (72) and concrete on steel strand wires (51) seal anchor (73), wherein, first steel backing plate (71) with concrete seal anchor (73) all with stand (2) looks butt, concrete seal anchor (73) are close to one side of stand (2) is provided with the cavity, first steel backing plate (71) and first ground tackle (72) are located in the cavity.
9. A roadbed widening structure, characterized by comprising an existing roadbed (8) and a rigid-flexible anchor-pulling type lightweight assembled retaining wall according to claim 8, wherein the rigid-flexible anchor-pulling type lightweight assembled retaining wall is located on one side of the existing roadbed (8), a filling structure (9) is provided between the rigid-flexible anchor-pulling type lightweight assembled retaining wall and the existing roadbed (8), the filling structure (9) is located on the outward convex side of the arc-shaped panel (4), and at least a part of the anchor rope pulling rod (5) is located in the filling structure (9).
10. A construction method for the roadbed widening structure of claim 9, wherein the construction method comprises the steps of: comprises the following steps:
s1, embedding and installing the base (11) on a foundation;
s2, mounting the upright post (2) on the base (11);
s3, buckling the first row of arc-shaped panels (4) on the corresponding upright posts (2);
s4, carrying out earth filling operation on the earth filling structure (9), carrying out layered rolling construction on the earth filling operation, when earth is filled to the top of the first row of arc-shaped panels (4), installing a second row of arc-shaped panels (4) on the upper parts of the first row of arc-shaped panels (4), then carrying out earth filling construction, and further carrying out the installation of the arc-shaped panels (4) and the earth filling operation alternately, wherein,
A1. when the filling height reaches the position where the anchor rope pull rod (5) is arranged, a prefabricated anchor block (6) is embedded in a groove on the surface of the filling, the steel strand (51) is placed in the groove along the direction of the anchor rope pull rod (5), the anchor rope pull rod (5) sequentially penetrates through the arc-shaped panel (4) and the upright column (2), then a steel backing plate (71), an anchor (72), a temporary elastic piece (74), a temporary steel backing plate (75) and a temporary anchor (76) are sequentially installed, the first steel backing plate (71) and the concrete seal anchor (73) are abutted against the upright column (2), a cavity is formed in one side, close to the upright column (2), of the concrete seal anchor (73), the first steel backing plate (71) and the first anchor (72) are located in the cavity, and the temporary anchor (76) is fixedly connected with the steel strand (51);
A2. firstly locking a temporary anchorage device (76) to enable the temporary elastic piece (74) to be in a compressed state, then continuously rolling and filling, when the back of the wall is filled to the elevation position of a drain hole (42), arranging a reverse filtering layer and a PVC drain pipe on the drain hole (42), then continuously filling and rolling, and enabling the arc-shaped panel (4) to penetrate through the arc-shaped panel (4);
A3. after the corresponding layer is filled with earth, the temporary elastic part (74) extrudes the wall body to restore the original shape by virtue of thrust generated by elastic restoration, the anchorage device (72) is locked after the wall body is deformed and stabilized, then the temporary steel backing plate (75) and the temporary anchorage device (76) are sequentially removed, and finally concrete sealing anchors (73) are poured to finish the construction of the anchor rope pull rod (5);
and S4, when the arc-shaped panel (4) is installed and the soil filling height reaches the installation position of the top plate (3), connecting the top plate (3) with the upright post (2) to complete construction.
Priority Applications (1)
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| CN202210552165.4A CN114922223A (en) | 2022-05-20 | 2022-05-20 | Rigid and flexible anchoring and pulling type light assembly retaining wall, roadbed widening structure and construction method |
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| CN202210552165.4A CN114922223A (en) | 2022-05-20 | 2022-05-20 | Rigid and flexible anchoring and pulling type light assembly retaining wall, roadbed widening structure and construction method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050232700A1 (en) * | 2003-07-11 | 2005-10-20 | Timmerman James E | Methods, systems and apparatus for maintaining seawalls |
| US20080267718A1 (en) * | 2004-04-01 | 2008-10-30 | Modalco Pty Ltd | Reinforced Soil Retaining Wall System and Method of Construction |
| CN201224889Y (en) * | 2008-06-20 | 2009-04-22 | 云南省公路规划勘察设计院 | High and light type anchoring plate retaining wall in high filling branch block engineering |
| CN104499502A (en) * | 2014-11-26 | 2015-04-08 | 禹顺生态建设有限公司 | Riverway arch retaining wall structure and construction method thereof |
| CN104805823A (en) * | 2015-01-05 | 2015-07-29 | 温州大学 | Large-scale model test device for supercharged vacuum prepressing and electro-osmosis combined treatment for soft soil foundation |
| CN105525627A (en) * | 2016-01-29 | 2016-04-27 | 中冶集团武汉勘察研究院有限公司 | Two-way anchorage plate retaining wall and construction method thereof |
| CN212129216U (en) * | 2020-03-25 | 2020-12-11 | 中交第一公路勘察设计研究院有限公司 | Assembled antidetonation is resisted freeze thawing and is warp rigid and flexible type retaining wall of buckled plate |
| CN112095656A (en) * | 2020-09-24 | 2020-12-18 | 湖南工业大学 | Tension-compression combined type prestressed anchor cable retaining wall structure |
-
2022
- 2022-05-20 CN CN202210552165.4A patent/CN114922223A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050232700A1 (en) * | 2003-07-11 | 2005-10-20 | Timmerman James E | Methods, systems and apparatus for maintaining seawalls |
| US20080267718A1 (en) * | 2004-04-01 | 2008-10-30 | Modalco Pty Ltd | Reinforced Soil Retaining Wall System and Method of Construction |
| CN201224889Y (en) * | 2008-06-20 | 2009-04-22 | 云南省公路规划勘察设计院 | High and light type anchoring plate retaining wall in high filling branch block engineering |
| CN104499502A (en) * | 2014-11-26 | 2015-04-08 | 禹顺生态建设有限公司 | Riverway arch retaining wall structure and construction method thereof |
| CN104805823A (en) * | 2015-01-05 | 2015-07-29 | 温州大学 | Large-scale model test device for supercharged vacuum prepressing and electro-osmosis combined treatment for soft soil foundation |
| CN105525627A (en) * | 2016-01-29 | 2016-04-27 | 中冶集团武汉勘察研究院有限公司 | Two-way anchorage plate retaining wall and construction method thereof |
| CN212129216U (en) * | 2020-03-25 | 2020-12-11 | 中交第一公路勘察设计研究院有限公司 | Assembled antidetonation is resisted freeze thawing and is warp rigid and flexible type retaining wall of buckled plate |
| CN112095656A (en) * | 2020-09-24 | 2020-12-18 | 湖南工业大学 | Tension-compression combined type prestressed anchor cable retaining wall structure |
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