CN116988453A - Prestressed concrete corrugated sheet pile and construction method thereof - Google Patents
Prestressed concrete corrugated sheet pile and construction method thereof Download PDFInfo
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- CN116988453A CN116988453A CN202311247083.XA CN202311247083A CN116988453A CN 116988453 A CN116988453 A CN 116988453A CN 202311247083 A CN202311247083 A CN 202311247083A CN 116988453 A CN116988453 A CN 116988453A
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 129
- 239000002689 soil Substances 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 32
- 239000000701 coagulant Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 3
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 3
- 239000004571 lime Substances 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 229920001285 xanthan gum Polymers 0.000 claims description 3
- 229940082509 xanthan gum Drugs 0.000 claims description 3
- 235000010493 xanthan gum Nutrition 0.000 claims description 3
- 239000000230 xanthan gum Substances 0.000 claims description 3
- 239000004115 Sodium Silicate Substances 0.000 claims 1
- 229910052911 sodium silicate Inorganic materials 0.000 claims 1
- 238000005067 remediation Methods 0.000 abstract description 3
- 239000004567 concrete Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- 238000009434 installation Methods 0.000 description 11
- 230000002787 reinforcement Effects 0.000 description 9
- 241000196324 Embryophyta Species 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000013049 sediment Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004574 high-performance concrete Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
- E02D5/105—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete of prestressed concrete
-
- 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
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/06—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against corrosion by soil or water
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental Sciences (AREA)
- Revetment (AREA)
Abstract
The invention discloses a prestressed concrete wave plate pile and a construction method thereof, which relate to the technical field of wave plate piles for river channel remediation and comprise a wave plate pile main body, wherein a plurality of protruding columns are fixedly connected to the middle lower part of a water blocking surface of the wave plate pile main body, a hollow culture body is fixedly arranged at one end of each protruding column far away from the wave plate pile main body, a plurality of water inlet soil holes communicated with a cavity inside the hollow culture body are formed in the outer surface of each culture body, and a reinforcing inserted rod extending downwards is fixedly connected to each protruding column.
Description
Technical Field
The invention relates to the technical field of corrugated sheet piles for river channel remediation, in particular to a prestressed concrete corrugated sheet pile and a construction method thereof.
Background
At present, a retaining and supporting structure is required to be arranged in engineering construction such as foundation pit excavation and river channel renovation, and the conventional supporting method mainly comprises a concrete cast-in-place pile, an underground continuous wall, a self-supporting cement retaining wall, an SMW method, a steel sheet pile, a precast concrete sheet pile and the like, and the pile body bending resistance of the cast-in-place concrete cast-in-place pile, the underground continuous wall, the self-supporting cement retaining wall and the like is better, but is greatly influenced by weather, the construction is hardly carried out in rainy days, the construction period cannot be guaranteed, the pile forming quality cannot be guaranteed, and national resources are wasted. The support method such as SMW method and steel sheet pile has high bending resistance, but needs to consume a large amount of steel, and has the defects of high cost, poor corrosion resistance, high maintenance cost in the later period and the like when being used as a long-term support structure. The wave-shaped sheet pile is manufactured by adopting a pretensioned prestressed reinforcement method, has the advantages of large soil retaining section, good mechanical property of the section, short construction period, good durability, wide construction range, good visual effect, flexible pile allocation in engineering design, energy conservation, environmental protection and the like, and is increasingly widely applied to construction engineering such as river channel remediation and the like.
Among the prior art, a high performance concrete wave form sheet pile of publication No. CN204849733U, including concrete pile body, block and skeleton of steel, the block is located the both sides of concrete pile body cross section, and the skeleton of steel parcel is in the concrete pile body, the axial both ends of concrete pile body include the arc terminal surface, and the concrete pile body includes at least one arch cavity, and the high and span ratio scope of at least one arch cavity is 0.0625-2, through setting up the pile body into curved wave form sheet pile, compares with planar concrete member, has high level bearing capacity and shear bearing capacity, and the high and span ratio scope of arch cavity makes the structural optimization of product, and the pile body atress is maximized, and the atress is more even, and is more convenient during the construction.
However, the prior art still has major drawbacks such as: the mode that concrete wave form sheet pile was applied to among the prior art is in inserting the soil of river course both sides with concrete wave form sheet pile to this makes concrete wave form sheet pile lead the rivers of river course, but the rivers of river course can wash away and erode the soil of river course both sides department in the flow in-process, and then takes away the soil that concrete wave form sheet pile is close to river side, can make the soil height that concrete wave form sheet pile is close to river side lower and lower in the past, influences the installation stability of concrete wave form sheet pile.
Disclosure of Invention
The invention aims to provide a prestressed concrete corrugated sheet pile and a construction method thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a prestressed concrete wave form sheet pile, includes wave form sheet pile main part, wave form sheet pile main part keeps off the well lower part fixedly connected with of surface of water a plurality of projecting columns, and the one end that the projecting column kept away from wave form sheet pile main part is fixedly mounted with hollow culture body, and culture body external surface has seted up a plurality of soil and water holes that advance that communicate with its inside cavity, projecting column fixedly connected with downwardly extending consolidates the inserted bar, and consolidate the inserted bar and set up downwardly extending and at consolidate the inserted bar lower terminal surface open-ended extension groove and inside deposit soil coagulant's reservoir, and be provided with the reinforcement inserted block that stretches out the inserted bar that slides downwardly under the driving motor drive in the extension groove, the fluctuation sensor that response water wave was undulant and control driving motor work is installed in the reinforcement inserted bar outside, and consolidate the inserted bar outside fixedly connected with reservoir intercommunication and downwardly extending send the liquid pipe;
the lower end of the reinforcing inserting block is in a contracted shape, the reinforcing transverse block which slides out of the reinforcing inserting block under the extrusion of the lower end of the reinforcing inserting block is transversely arranged in the lower part of the reinforcing inserting block, the liquid baffle plate is fixedly inlaid at the lower part of the side wall of the liquid conveying pipe far away from the reinforcing inserting block, and the crushing push rod which is inserted into the liquid conveying pipe and slides to puncture the liquid baffle plate under the extrusion of the lower end of the reinforcing inserting block is transversely arranged in the lower part of the reinforcing inserting block.
Preferably, the driving motor is a rotary driving motor and is fixedly arranged on the top wall in the extending groove, the output end of the driving motor is provided with a downwardly extending threaded transmission rod, the upper end of the reinforcing insert block is fixedly connected with a sliding connecting plate which is in sliding contact with the inner side wall of the extending groove, and the sliding connecting plate and the reinforcing insert block are provided with internal thread grooves in threaded fit with the threaded transmission rod.
Preferably, the reinforcing transverse block is inserted into one end of the extending groove and is fixedly connected with a first connecting plate, the thickness of the first connecting plate is smaller than the gap between the reinforcing insert block and the inner side wall of the extending groove, and the upper end of the first connecting plate is an inclined surface matched with the shrinkage structure at the lower end of the reinforcing insert block.
Preferably, the outer side of the part of the reinforcing transverse block extending out of the extending groove is fixedly connected with a second connecting plate.
Preferably, the broken push rod inserts the one end fixedly connected with push rod link plate that stretches out the groove, and the push rod link plate thickness is less than the reinforcement insert and stretches out the clearance between the groove inside wall, and push rod link plate upper end be with reinforcement insert lower extreme contraction structure complex inclined plane.
Preferably, the first side plate and the second side plate are respectively fixedly arranged on two sides of the corrugated sheet pile main body.
Preferably, a splicing through groove which is penetrated up and down is formed in one side, far away from the corrugated sheet pile main body, of the first side plate, and a splicing insert block which is matched and inserted into the splicing through groove of the first side plate on the other corrugated sheet pile main body is fixedly connected to one side, far away from the corrugated sheet pile main body, of the second side plate.
Preferably, the soil coagulant is one or more of water glass, polyacrylamide, xanthan gum and lime slurry.
Preferably, the inner diameter of the water inlet soil hole is contracted along the direction close to the internal cavity of the culture body.
A construction method is used for the prestressed concrete corrugated sheet pile and comprises the following steps:
a, excavating a construction tunnel into which the lower ends of a plurality of wave-shaped sheet pile main bodies are inserted;
b, inserting the plurality of waveform sheet pile bodies into a construction tunnel, and splicing the adjacent waveform sheet pile bodies so as to form a whole of the plurality of waveform sheet pile bodies;
and C, filling soil into the construction tunnel so as to strengthen the corrugated sheet pile main body.
Compared with the prior art, the invention has the beneficial effects that:
according to the prestressed concrete wave plate pile and the construction method thereof, through the matched arrangement of the culture body and the reinforcing inserting rod, the installation stability of the wave plate pile body in the soil is improved, meanwhile, aquatic plants root near the lower end of the wave plate pile body, the soil loss resistance of the wave plate pile body is improved, the problem that the installation stability of the wave plate pile body is reduced due to the fact that the soil at the lower end of one side of the wave plate pile body, which is close to a river, is lost under river water scouring and erosion is avoided, and the stability of the wave plate pile body in the soil is improved after the soil is eroded and lost by river water through the arrangement of the reinforcing inserting block, the reinforcing transverse block, the liquid storage tank for storing the soil coagulant and the crushing pushing rod.
Drawings
FIG. 1 is a three-dimensional schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the culture and reinforcing inserts of FIG. 1;
FIG. 3 is a schematic side cross-sectional view of the installation of the culture and reinforcement insert of the present invention;
FIG. 4 is an enlarged schematic view of the connection of the culture and the projecting column of FIG. 3;
FIG. 5 is an enlarged schematic view of the reinforcing rod and its internal structure shown in FIG. 3;
FIG. 6 is a schematic view of the mounting of the reinforcing cross block and drive motor of FIG. 5;
FIG. 7 is an enlarged schematic view of the reinforcing cross-piece and crushing pushrod of FIG. 5;
FIG. 8 is a three-dimensional schematic view of the connection of a reinforcing insert and a sliding link plate of the present invention;
fig. 9 is a schematic view showing a state that the reinforcing insert protrudes downward from the reinforcing insert rod in the present invention.
In the figure: the wave-shaped sheet pile comprises a wave-shaped sheet pile main body, a 2 protruding column, a 3 culture body, a 31 water and soil inlet hole, a 4 reinforcing inserting rod, a 41 extending groove, a 42 liquid storage groove, a 5 wave sensor, a 6 driving motor, a 7 threaded transmission rod, an 8 reinforcing inserting block, a 81 sliding connecting plate, a 9 reinforcing transverse block, a 91 first connecting plate, a 92 second connecting plate, a 10 liquid feeding pipe, a 11 liquid blocking plate, a 12 crushing push rod, a 121 push rod connecting plate, a 13 first side plate, a 131 splicing through groove, a 14 second side plate and a 141 splicing inserting block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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 be within the scope of the invention.
Referring to fig. 1-9, the present invention provides a technical solution:
example 1
The prestressed concrete corrugated sheet pile comprises a corrugated sheet pile main body 1, wherein the corrugated sheet pile main body 1 is in an arch structure, a first side plate 13 and a second side plate 14 are respectively and fixedly arranged at the left side and the right side of the corrugated sheet pile main body 1, a splicing through groove 131 which penetrates up and down is formed in one side of the first side plate 13 far away from the corrugated sheet pile main body 1, a splicing insert block 141 which is matched and inserted into the splicing through groove 131 on the first side plate 13 of the other corrugated sheet pile main body 1 is fixedly connected with one side of the second side plate 14 far away from the corrugated sheet pile main body 1, when the corrugated sheet pile main body 1 is used for blocking two banks, a plurality of corrugated sheet pile main bodies 1 are inserted into soil on two banks of a river levee for fixing, and splicing insert blocks 141 on the second side plate 14 of the corrugated sheet pile main body 1 are inserted into splicing insert grooves 131 on the first side plate 13 adjacent to the corrugated sheet pile main body 1, so that the connected corrugated sheet pile main bodies 1 are spliced and fixed through the splicing insert grooves 131, and the plurality of splicing fixed corrugated sheet piles 1 form an integral structure which is blocked on two banks of the river levee;
the middle lower part of the water blocking surface of the corrugated sheet pile main body 1 is fixedly connected with a plurality of protruding columns 2, specifically, after the lower end of the corrugated sheet pile main body 1 is inserted into river dike soil, the protruding columns 2 are soaked in river water, one end of each protruding column 2 far away from the corrugated sheet pile main body 1 is fixedly provided with a hollow culture body 3, the outer surface of each culture body 3 is provided with a plurality of water inlet soil holes 31 communicated with the inner cavities of the corresponding protruding columns, the protruding columns 2 are fixedly connected with reinforcing inserting rods 4 which extend downwards, in the process of inserting the lower end of the corrugated sheet pile main body 1 into the soil, the reinforcing inserting rods 4 are inserted into the soil along with the lower end of the corrugated sheet pile main body 1, the installation stability of the corrugated sheet pile main body 1 is improved, river water with sediment enters into the inner cavities of the culture bodies 3 from the water inlet soil holes 31 in the flowing process, the sediment is accumulated in the culture bodies 3 to form a foundation bed for a long time, branches of the aquatic plants grow on the culture bodies 3, the aquatic plants spread and wind on the reinforcing inserting rods 4, the aquatic plants wound on the reinforcing inserting rods 4 continue to grow in the vicinity of the lower ends of the corrugated sheet pile main body 1, the water is prevented from flowing down to the soil near the lower end of the corrugated sheet pile main body 1, the water erosion of the corrugated sheet pile main body 1 is prevented from being polluted by the river water, and the ecological pile main body is prevented from being eroded by the water from the river soil in the side of the river pile main body at one side of the lower end of the river pile main body and the river pile main body is in the river water-like;
as an implementation mode, the inside diameter of the soil and water inlet hole 31 is contracted along the direction close to the inner cavity of the culture body 3, namely, the soil and water inlet hole 31 is a hole groove with large outside and small inside, so that soil entering the inner cavity of the culture body 3 is not easy to leave the inner cavity of the culture body 3 again, sediment is accelerated to accumulate in the culture body 3 to form a foundation bed for aquatic plant growth, the culture body 3 is 9 and is distributed in three vertical and three horizontal directions, and only the reinforcing inserted rod 4 is fixedly installed on the three culture bodies 3 at the lowest part.
Example two
The second embodiment adds a mechanism for reinforcing the stable strength of the corrugated sheet pile main body 1 after soil loss on the basis of the first embodiment, namely: the reinforcing inserting rod 4 is provided with an extending groove 41 which extends downwards and is opened at the lower end face of the reinforcing inserting rod 4, the extending groove 41 is internally provided with a reinforcing inserting block 8 which extends out of the reinforcing inserting rod 4 in a sliding way under the drive of the driving motor 6, the outer side of the reinforcing inserting rod 4 is provided with a fluctuation sensor 5 which senses fluctuation of water waves and controls the driving motor 6 to work, the fluctuation sensor 5 can be arranged in the middle of the reinforcing inserting rod 4, the fluctuation sensor 5 is a vibration sensor which can detect the flow of water, for example, the fluctuation sensor 5 can be a normally open type vibration sensor with the model of KJT-14R, the fluctuation sensor 5 and the driving motor 6 are connected in series on the same circuit, when the lower end of the wave sheet pile main body 1 is inserted into soil, the fluctuation sensor 5 is inserted into the soil together with the reinforcing inserting rod 4, the wave sensor 5 buried in the soil cannot receive the wave signal and is in an open state, the driving motor 6 does not work, the reinforcing insert block 8 is positioned in the extending groove 41, the soil on one side of the wave sheet pile main body 1 close to the river continuously runs off along with the time, the soil layer is continuously lowered until the wave sensor 5 is exposed in the river, the river flows to wash on the wave sensor 5, the wave sensor 5 receives the wave signal and is further switched to a closed state, the driving motor 6 is electrified and drives the reinforcing insert block 8 to slide downwards to extend the reinforcing insert rod 4 and insert the reinforcing insert rod into the soil deeper, the installation stability strength of the reinforcing insert rod 4 and the wave sheet pile main body 1 is improved, and the problem that the installation stability of the wave sheet pile main body 1 is lowered due to the fact that the soil on the lower end close to the river side runs off is avoided;
as an implementation manner, the driving motor 6 is a rotary driving motor and is fixedly arranged on the inner top wall of the extending groove 41, the output end of the driving motor 6 is provided with a downward extending threaded transmission rod 7, the upper end of the reinforcing insert block 8 is fixedly connected with a sliding connecting plate 81 which is in sliding contact with the inner side wall of the extending groove 41, the sliding connecting plate 81 and the reinforcing insert block 8 are both provided with inner threaded grooves which are in threaded fit with the threaded transmission rod 7, the extending groove 41 is a square hole groove, the sliding connecting plate 81 is a square plate which is in fit with the inner side wall of the extending groove 41, the sliding connecting plate 81 can only slide up and down in the extending groove 41, the driving motor 6 drives the threaded transmission rod 7 to rotate together during operation, the sliding connecting plate 81 cannot rotate together with the threaded transmission rod 7, and then the reinforcing insert block 8 slides downwards during the rotation of the threaded transmission rod 7, the reinforcing insert block 8 extends downwards and is inserted into soil, and the sliding connecting plate 81 is in contact with the inner side wall of the extending groove 41 to block soil and river water, so that the driving motor 6 and the river water are prevented from damaging;
further, the lower end of the reinforcing insert block 8 is in a contracted shape, the reinforcing transverse block 9 which stretches out of the reinforcing insert rod 4 in a sliding manner is transversely arranged in the lower part of the reinforcing insert rod 4 under the extrusion of the lower end of the reinforcing insert block 8, one end of the reinforcing transverse block 9 which stretches out of the reinforcing insert rod 4 is obliquely downwards arranged along the direction close to one end of the reinforcing insert rod 4, when the driving motor 6 does not work, the reinforcing insert block 8 is positioned above the reinforcing transverse block 9, along with the fact that the reinforcing insert rod 4 is downwards inserted into soil, one end of the reinforcing transverse block 9 which stretches out of the reinforcing insert rod 4 is retracted in the direction close to the reinforcing insert rod 4 under the extrusion of soil, in the process that the driving motor 6 drives the reinforcing insert block 8 to downwards slide, the lower end of the reinforcing transverse block 8 is extruded into one end of the reinforcing insert rod 4, so that the reinforcing transverse block 9 stretches out of the reinforcing insert rod 4 outwards, the end of the reinforcing transverse block 9 is outwards inserted into the soil, the installation stability of the reinforcing insert rod 4 and the waveform sheet pile body 1 is further improved, and the problem of inclination of the waveform sheet pile body 1 due to the fact that the lower stability of the installation occurs at the position close to the water side of the soil is avoided;
as an implementation mode, one end of the reinforcing horizontal block 9 inserted into the extending groove 41 is fixedly connected with a first connecting plate 91, the thickness of the first connecting plate 91 is smaller than the gap between the reinforcing insert block 8 and the inner side wall of the extending groove 41, the problem that the reinforcing insert block 8 cannot move downwards due to the fact that the first connecting plate 91 blocks the reinforcing insert block 8 is avoided, the upper end of the first connecting plate 91 is an inclined surface matched with the shrinkage structure of the lower end of the reinforcing insert block 8, the upper end of the first connecting plate 91 is of an inclined surface structure, the reinforcing insert block 8 is convenient to press the first connecting plate 91 to slide towards the direction close to the inner side wall of the extending groove 41, the outer side of the portion of the reinforcing horizontal block 9 extending out of the extending groove 41 is fixedly connected with a second connecting plate 92, and the matched arrangement of the first connecting plate 91 and the second connecting plate 92 limits the sliding travel of the reinforcing horizontal block 9, so that the reinforcing horizontal block 9 is slidably mounted on the reinforcing insert rod 4, and the problem that the reinforcing horizontal block 9 falls off from the reinforcing insert rod 4 in the transportation process is avoided;
further, the reinforcing insert rod 4 is provided with a liquid storage tank 42 for storing soil coagulant inside, specifically, the liquid storage tank 42 is located above the extending tank 41, the soil coagulant is one or more of water glass, polyacrylamide, xanthan gum and lime slurry, the soil coagulant is mixed with soil to solidify the soil, the outer side of the reinforcing insert rod 4 is fixedly connected with a liquid feeding pipe 10 communicated with the bottom of the liquid storage tank 42 and extending downwards, the lower end of the liquid feeding pipe 10 is also inserted into the soil along with the reinforcing insert rod 4, the lower part of the side wall of the liquid feeding pipe 10 far away from the reinforcing insert rod 4 is fixedly inlaid with a liquid baffle 11, the lower part of the reinforcing insert rod 4 is internally and transversely provided with a crushing push rod 12 inserted into the liquid feeding pipe 10 and extruded by the lower end of the reinforcing insert block 8 to puncture the liquid baffle 11, the reinforcing insert block 8 is located above the crushing push rod 12 when the driving motor 6 does not work, the lower surface of the crushing push rod 12 transversely arranged is smooth, even if the crushing push rod is extruded by soil, the crushing push rod cannot slide to the direction close to the liquid baffle 11 to puncture the liquid baffle 11, so that the soil coagulant in the liquid storage tank 42 is prevented from flowing out in advance, the crushing push rod 12 is pressed and the crushing push rod 12 is enabled to slide downwards when the driving motor 6 drives the reinforcing insert 8 to slide downwards, the soil coagulant flows out from the crushed liquid baffle 11 and flows into the soil, the soil nearby the lower end of the reinforcing insert 4 and the waveform sheet pile main body 1 is solidified, the installation stability strength of the reinforcing insert 4 and the waveform sheet pile main body 1 is further improved, and the problem that the installation stability of the waveform sheet pile main body 1 is lowered due to the fact that the soil at the lower end close to one side of river is lost is avoided;
as one embodiment, the broken push rod 12 is inserted into one end fixedly connected with push rod link plate 121 of stretching out groove 41, and push rod link plate 121 thickness is less than the reinforcement insert 8 and stretches out the clearance between the inside wall of groove 41, avoid push rod link plate 121 to block reinforcement insert 8 for the unable problem of sliding down of reinforcement insert 8, and push rod link plate 121 upper end be with consolidate insert 8 lower extreme contraction structure complex inclined plane, push rod link plate 121 upper end is the setting of inclined plane structure be convenient for consolidate insert 8 oppression push rod link plate 121 to be close to stretch out the inside wall direction slip of groove 41.
A construction method is used for the prestressed concrete corrugated sheet pile and comprises the following steps:
a, excavating a construction tunnel into which the lower ends of a plurality of corrugated sheet pile main bodies 1 are inserted;
b, inserting the plurality of waveform sheet pile bodies 1 into a construction tunnel, and splicing the adjacent waveform sheet pile bodies 1 so as to form a whole of the plurality of waveform sheet pile bodies 1;
and C, filling soil into the construction tunnel so as to strengthen the corrugated sheet pile main body 1.
Working principle: in the process that the lower end of the wave plate pile main body 1 is inserted into soil, the reinforcing inserting rod 4 is inserted into the soil along with the lower end of the wave plate pile main body 1, river water with silt enters into the cavity in the culture body 3 from the water inlet soil hole 31 in the flowing process, aquatic plants grow on the culture body 3 after a long time, branches and stems of the aquatic plants spread and are wound on the reinforcing inserting rod 4, the aquatic plants wound on the reinforcing inserting rod 4 continue to grow so as to root near the lower end of the wave plate pile main body 1, and the soil loss resistance of the soil at the wave plate pile main body 1 is improved;
when the soil layer is lowered to the condition that the fluctuation sensor 5 is exposed to river water, the fluctuation sensor 5 receives a river water fluctuation signal and is switched to a closed state, the driving motor 6 is electrified to work and drives the reinforcing insert block 8 to slide downwards to extend out of the reinforcing insert rod 4 and insert into deeper soil, the lower end of the reinforcing insert block 8 extrudes one end of the reinforcing insert rod 4, so that the reinforcing insert block 9 slides in the direction of extending out of the reinforcing insert rod 4, one end of the reinforcing insert rod 9 extending out of the reinforcing insert rod 4 is inserted into the soil outwards, the reinforcing insert block 8 slides downwards and presses the crushing push rod 12, so that the crushing push rod 12 slides in the direction of approaching the liquid baffle 11 and pierces the liquid baffle 11, and the soil coagulant flows out of the crushed liquid baffle 11 and flows in the soil, so that the soil near the lower ends of the reinforcing insert rod 4 and the corrugated sheet pile body 1 is solidified.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a prestressed concrete wave form sheet pile, includes wave form sheet pile main part, its characterized in that: the middle lower part of the water blocking surface of the corrugated sheet pile main body is fixedly connected with a plurality of protruding columns, one end of each protruding column, far away from the corrugated sheet pile main body, is fixedly provided with a hollow culture body, the outer surface of the culture body is provided with a plurality of soil water inlet holes communicated with the inner cavity of the culture body, the protruding columns are fixedly connected with a reinforcing inserted rod which extends downwards, the reinforcing inserted rod is provided with an extending groove which extends downwards and is opened at the lower end surface of the reinforcing inserted rod, and a liquid storage groove for storing soil coagulant therein, the extending groove is internally provided with a reinforcing inserted block which slides downwards and extends out of the reinforcing inserted rod under the driving of a driving motor, the outer side of the reinforcing inserted rod is provided with a fluctuation sensor which senses fluctuation of water waves and controls the driving motor to work, and the outer side of the reinforcing inserted rod is fixedly connected with a liquid conveying pipe which is communicated with the liquid storage groove and extends downwards;
the lower end of the reinforcing inserting block is in a contracted shape, the reinforcing transverse block which slides out of the reinforcing inserting block under the extrusion of the lower end of the reinforcing inserting block is transversely arranged in the lower part of the reinforcing inserting block, the liquid baffle plate is fixedly inlaid at the lower part of the side wall of the liquid conveying pipe far away from the reinforcing inserting block, and the crushing push rod which is inserted into the liquid conveying pipe and slides to puncture the liquid baffle plate under the extrusion of the lower end of the reinforcing inserting block is transversely arranged in the lower part of the reinforcing inserting block.
2. The prestressed concrete corrugated sheet pile of claim 1, wherein: the driving motor is a rotary driving motor and is fixedly arranged on the top wall in the extending groove, the output end of the driving motor is provided with a downwardly extending threaded transmission rod, the upper end of the reinforcing insert block is fixedly connected with a sliding connecting plate which is in sliding contact with the inner side wall of the extending groove, and the sliding connecting plate and the reinforcing insert block are provided with internal thread grooves in threaded fit with the threaded transmission rod.
3. The prestressed concrete corrugated sheet pile of claim 1, wherein: the reinforcing transverse block is inserted into one end of the extending groove and fixedly connected with a first connecting plate, the thickness of the first connecting plate is smaller than the gap between the reinforcing inserting block and the inner side wall of the extending groove, and the upper end of the first connecting plate is an inclined surface matched with the shrinkage structure of the lower end of the reinforcing inserting block.
4. A prestressed concrete corrugated sheet pile according to claim 3, wherein: the outer side of the part of the reinforcing transverse block extending out of the extending groove is fixedly connected with a second connecting plate.
5. The prestressed concrete corrugated sheet pile of claim 1, wherein: the crushing push rod is inserted into one end of the extending groove and fixedly connected with a push rod connecting plate, the thickness of the push rod connecting plate is smaller than the gap between the reinforcing insert block and the inner side wall of the extending groove, and the upper end of the push rod connecting plate is an inclined surface matched with the shrinkage structure of the lower end of the reinforcing insert block.
6. The prestressed concrete corrugated sheet pile of claim 1, wherein: the two sides of the corrugated sheet pile main body are respectively and fixedly provided with a first side plate and a second side plate.
7. The prestressed concrete corrugated sheet pile of claim 6, wherein: the splicing through groove which is penetrated up and down is formed in one side, far away from the corrugated sheet pile main body, of the first side plate, and a splicing insert block which is matched and inserted into the splicing through groove of the first side plate on the other corrugated sheet pile main body is fixedly connected to one side, far away from the corrugated sheet pile main body, of the second side plate.
8. The prestressed concrete corrugated sheet pile of claim 1, wherein: the soil coagulant is one or more of sodium silicate, polyacrylamide, xanthan gum and lime slurry.
9. The prestressed concrete corrugated sheet pile of claim 1, wherein: the inner diameter of the water inlet soil hole contracts along the direction close to the cavity inside the culture body.
10. A construction method for a prestressed concrete corrugated sheet pile according to any one of the preceding claims 1-9, characterized by comprising the steps of:
a, excavating a construction tunnel into which the lower ends of a plurality of wave-shaped sheet pile main bodies are inserted;
b, inserting the plurality of waveform sheet pile bodies into a construction tunnel, and splicing the adjacent waveform sheet pile bodies so as to form a whole of the plurality of waveform sheet pile bodies;
and C, filling soil into the construction tunnel so as to strengthen the corrugated sheet pile main body.
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| CN103938614A (en) * | 2014-05-05 | 2014-07-23 | 张武 | Strengthening type prestressed concrete corrugated plate pile |
| CN204849733U (en) * | 2015-01-23 | 2015-12-09 | 镇江建华管理咨询有限公司 | High performance concrete wave form sheet pile and forming die |
| CN105862724A (en) * | 2016-05-27 | 2016-08-17 | 江苏金源管业有限公司 | Rotating shaft type strengthened prestress concrete corrugated plate pile |
| CN110405935A (en) * | 2019-07-30 | 2019-11-05 | 江苏诚意住宅工业科技发展有限公司 | A kind of prestressed concrete waveform sheet pile and preparation method thereof |
| CN113431032A (en) * | 2021-08-27 | 2021-09-24 | 启东霓辉新材料科技有限公司 | Reinforced prestressed concrete corrugated sheet pile and construction method thereof |
| CN216108454U (en) * | 2021-10-23 | 2022-03-22 | 广东广强基础工程有限公司 | Energy-saving combined pile for building foundation engineering |
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| CN103938614A (en) * | 2014-05-05 | 2014-07-23 | 张武 | Strengthening type prestressed concrete corrugated plate pile |
| CN204849733U (en) * | 2015-01-23 | 2015-12-09 | 镇江建华管理咨询有限公司 | High performance concrete wave form sheet pile and forming die |
| CN105862724A (en) * | 2016-05-27 | 2016-08-17 | 江苏金源管业有限公司 | Rotating shaft type strengthened prestress concrete corrugated plate pile |
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| CN216108454U (en) * | 2021-10-23 | 2022-03-22 | 广东广强基础工程有限公司 | Energy-saving combined pile for building foundation engineering |
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| CN116988453B (en) | 2023-12-19 |
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