CN114753298A - River channel slope protection pile plate supporting system and construction method thereof - Google Patents
River channel slope protection pile plate supporting system and construction method thereof Download PDFInfo
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- CN114753298A CN114753298A CN202210415552.3A CN202210415552A CN114753298A CN 114753298 A CN114753298 A CN 114753298A CN 202210415552 A CN202210415552 A CN 202210415552A CN 114753298 A CN114753298 A CN 114753298A
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- 238000010276 construction Methods 0.000 title claims abstract description 10
- 239000004567 concrete Substances 0.000 claims abstract description 66
- 239000002689 soil Substances 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 230000007704 transition Effects 0.000 claims description 13
- 238000005266 casting Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 9
- 230000003116 impacting effect Effects 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000011378 shotcrete Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- 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
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/066—Quays
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- 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
- E02B3/14—Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
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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
- E02D5/22—Piles
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention relates to a river channel slope protection pile plate supporting system and a construction method thereof, wherein the river channel slope protection pile plate supporting system comprises supporting piles, a plurality of supporting piles are arranged at intervals along a river bank, and the bottoms of the supporting piles are fixed below the bottom surface of a river channel; the prefabricated plates are fixed between adjacent supporting piles, and two ends of each prefabricated plate are respectively fixedly connected with the supporting piles in a sealing manner; between adjacent supporting piles, a plurality of prefabricated plates are arranged at intervals along the vertical direction, a pouring cavity is formed between the upper prefabricated plate and the lower prefabricated plate, and concrete is poured in the pouring cavity to realize the sealing and fixing connection of the upper prefabricated plate and the lower prefabricated plate; the pile plate supporting system has the advantages that the connection and the sealing between the supporting piles and the prefabricated plates are firm, and the connection and the sealing between the adjacent prefabricated plates are firm, so that the pile plate supporting system has higher integral structural strength, can bear larger lateral pressure, and can well fix and protect the soil on two sides of a river channel; the pile plate supporting system can resist the washing of water flow, and prevents the water flow from impacting the soil on two sides of a river channel through the pile plate supporting system to cause soil loss.
Description
Technical Field
The invention belongs to the technical field of three-dimensional retaining devices of infrastructures, and particularly relates to a river channel slope protection pile plate supporting system and a construction method thereof.
Background
Along with the development of national economy, people pursue beautiful life, under the background of greening development concept, the city infrastructure technology is improved, the city river channel is also rectified, and the river channel slope protection becomes a key project when rectifying the river channel. Traditional river channel revetments comprise riprap revetments, retaining wall supports, anchor-shotcrete supports and the like; the rubble-throwing revetment is mainly formed by piling rubbles, and air convection in gaps effectively insulates cold and heat to form a heat-insulating layer so as to protect a roadbed; the retaining wall support mainly comprises building materials such as cement and bricks, and can well resist external pressure, so that a river channel is protected; the anchor-spraying support means that the sprayed concrete and the anchor rod in the rock stratum act simultaneously, so that the slope protection is reinforced. However, the above slope protection forms have poor integrity, and have poor fixing and protecting effects on soil on both sides of a river channel, and moreover, water flow has a scouring effect on the river channel slope protection, and the slope protection forms long-time scouring which is difficult to resist the water flow.
Disclosure of Invention
In view of this, the present invention provides a river course revetment pile plate supporting system to solve the technical problem of poor overall performance of river course revetment in the prior art; in addition, the invention also provides a construction method of the river channel slope protection pile plate supporting system.
In order to achieve the purpose, the technical scheme adopted by the river channel slope protection pile plate supporting system is as follows:
the utility model provides a river course bank protection pile sheet support system, characterized by includes:
supporting piles: a plurality of supporting piles are arranged at intervals along the bank of the river, and the bottoms of the supporting piles are fixed below the bottom surface of the river;
precast slab: the prefabricated slab is fixed between adjacent supporting piles, and two ends of the prefabricated slab are respectively fixedly connected with the supporting piles in a sealing way;
between adjacent fender pile, the prefabricated plate is provided with a plurality of along upper and lower direction interval, forms between the adjacent prefabricated plate of upper and lower and pours the chamber, pours the chamber and has pour the concrete in order to realize the sealed fixed connection of adjacent prefabricated plate of upper and lower.
Has the beneficial effects that: the river channel slope protection pile plate supporting system comprises supporting piles and prefabricated plates, wherein the adjacent supporting piles of the prefabricated plates are fixedly connected in a sealing mode, the prefabricated plates which are adjacent up and down are arranged at intervals between the adjacent supporting piles to form pouring cavities, and concrete is poured in the pouring cavities, so that the prefabricated plates which are adjacent up and down are fixedly connected in a sealing mode. The pile plate supporting system has the advantages that the connection and the sealing between the supporting piles and the prefabricated plates are firm, and the connection and the sealing between the adjacent prefabricated plates are firm, so that the pile plate supporting system has higher integral structural strength, can bear larger lateral pressure, and can well fix and protect the soil on two sides of a river channel; in addition, the pile plate supporting system can resist the washing of water flow, and prevents the water flow from impacting the soil at two sides of a river channel through the pile plate supporting system to cause soil loss.
Furthermore, the cross section of the lower end of the prefabricated slab is L-shaped, one side of the lower end of the prefabricated slab, which faces the slope protection, protrudes downwards to form a first protruding ridge, and one side of the lower end of the prefabricated slab, which faces the river channel, forms a first avoidance groove; the section of the upper end of the prefabricated plate is L-shaped, one side of the upper end of the prefabricated plate, which faces the river channel, protrudes upwards to form a second protruding edge, and one side of the upper end of the prefabricated plate, which faces the slope protection, forms a second avoiding groove; during installation, the first convex ridge at the lower end of the upper prefabricated plate extends into the second avoiding groove at the upper end of the lower prefabricated plate, and the second convex ridge at the upper end of the lower prefabricated plate extends into the first avoiding groove at the lower end of the upper prefabricated plate, so that a pouring cavity with a Z-shaped cross section is formed at the lower end of the upper prefabricated plate and the upper end of the lower prefabricated plate.
Has the beneficial effects that: firstly, the Z-shaped pouring cavity provides a cavity channel convenient for concrete to flow, so that the concrete can smoothly enter the pouring cavity; secondly, after the concrete is poured in the Z-shaped pouring cavity, the prefabricated slab bodies and the cast-in-place concrete structures are arranged at the positions of the upper prefabricated slab and the lower prefabricated slab which are adjacent to each other and in the direction perpendicular to the prefabricated slabs, so that the connection positions of the upper prefabricated slab and the lower prefabricated slab which are adjacent to each other are guaranteed to have high structural strength, and the formed pile slab supporting system is guaranteed to have high structural strength.
The section of the lower end of the prefabricated slab is in an inverted concave shape, and the middle of the lower end of the prefabricated slab is provided with a slot with a rectangular section; the section of the upper end of the precast slab is in a convex shape, and a convex edge with a rectangular section is arranged in the middle of the upper end of the precast slab; when the prefabricated slab is installed, the convex edge at the upper end of the lower prefabricated slab is positioned in the slot at the lower end of the upper prefabricated slab, and the upper prefabricated slab and the lower prefabricated slab are arranged at intervals up and down to form a pouring cavity with a cross section in a shape like a Chinese character 'ji'.
Has the beneficial effects that: after the concrete is poured in the inverted-V-shaped pouring cavity, any position of the upper prefabricated plate and the lower prefabricated plate comprises a plate body of the prefabricated plate and a cast-in-place concrete structure in the direction perpendicular to the prefabricated plate, so that the joint of the upper prefabricated plate and the lower prefabricated plate is ensured to have higher structural strength, and a formed pile plate supporting system is ensured to have higher structural strength.
Furthermore, the section of the lower end of the prefabricated slab is in an inverted concave shape, and the middle of the lower end of the prefabricated slab is provided with a slot with a semicircular section; the section of the upper end of the precast slab is in a convex shape, and a convex edge with a semicircular section shape is arranged in the middle of the upper end of the precast slab; when the prefabricated plate is installed, the convex edge at the upper end of the lower prefabricated plate is positioned in the slot at the lower end of the upper prefabricated plate, and the upper prefabricated plate and the lower prefabricated plate are arranged at intervals up and down to form a pouring cavity with a cross section in a shape like a Chinese character 'ji'.
Has the advantages that: after the concrete is poured in the inverted-V-shaped pouring cavity, any position of the upper prefabricated plate and the lower prefabricated plate comprises a plate body of the prefabricated plate and a cast-in-place concrete structure in the direction perpendicular to the prefabricated plate, so that the joint of the upper prefabricated plate and the lower prefabricated plate is ensured to have higher structural strength, and a formed pile plate supporting system is ensured to have higher structural strength.
The arcs at the lower ends of the prefabricated plates are in transition connection, and the arcs at the upper ends of the prefabricated plates are in transition connection, so that the side walls of the pouring cavity are in smooth transition.
Has the advantages that: the corner position is prevented from obstructing the flow of the concrete, so that the concrete flows more smoothly in the pouring cavity.
One side of the pouring cavity facing the river channel is detachably connected with an auxiliary pouring plate, and the auxiliary pouring plate and the upper and lower adjacent prefabricated plates form a pouring opening of the pouring cavity together.
Has the advantages that: the auxiliary pouring plates are arranged to conveniently realize concrete filling of the pouring cavity, the pouring cavity between the upper prefabricated plate and the lower prefabricated plate is guaranteed to be filled with concrete, and the sealing performance and the connection strength between the upper prefabricated plate and the lower prefabricated plate are guaranteed.
The auxiliary pouring plate comprises a vertical connecting plate and an inclined plate fixed at the upper end of the vertical connecting plate.
Has the beneficial effects that: the inclined plate can facilitate the concrete to flow to the pouring cavity from the auxiliary pouring plate.
A construction method of a river channel slope protection pile plate supporting system comprises the following steps:
s1: performing support pile construction along the bank of the river channel, wherein the bottom end of each support pile is positioned below the bottom surface of the river channel;
s2: slope releasing is carried out on one side, away from the river channel, of the support pile, and the lowest end of the slope releasing is not lower than the bottom surface of the river channel;
s3: fixing a first precast slab to the lowest end of the slope of the adjacent support pile by using concrete, and then fixing a second precast slab above the first precast slab at intervals by using concrete so as to form a pouring cavity between the first precast slab and the second precast slab;
s4: backfilling soil, wherein the backfilling height is not higher than that above the second precast slab, so that the backfilled soil blocks an outlet of the pouring cavity on the side away from the river channel;
s5: pouring concrete in a pouring cavity between the first precast slab and the second precast slab so as to enable the first precast slab and the second precast slab to be fixedly connected in a sealing manner;
s6: fixing the third precast slab above the second precast slab at intervals by using concrete, so that a pouring cavity is formed between the second precast slab and the third precast slab;
S7: backfilling soil, wherein the backfilling height is not higher than that above the third precast slab, so that the backfilled soil blocks an outlet of the pouring cavity on the side away from the river channel;
s8: pouring concrete in a pouring cavity between the second precast slab and the third precast slab so as to fixedly connect the second precast slab and the third precast slab in a sealing way;
s9: the steps S6-S8 are circulated until the uppermost prefabricated slab is fixedly connected with the prefabricated slab below the uppermost prefabricated slab in a sealing way;
s10: and finishing soil backfilling of the slope.
Has the advantages that: the pile plate supporting system formed by the construction method of the pile plate supporting system for the river course slope protection comprises supporting piles and prefabricated plates, wherein the adjacent supporting piles of the prefabricated plates are fixedly connected in a sealing mode, the upper prefabricated plate and the lower prefabricated plate are arranged between the adjacent supporting piles at intervals to form a pouring cavity, and concrete is poured in the pouring cavity, so that the upper prefabricated plate and the lower prefabricated plate are fixedly connected in a sealing mode. The pile plate supporting system has the advantages that the connection and the sealing between the supporting piles and the prefabricated plates are firm, and the connection and the sealing between the adjacent prefabricated plates are firm, so that the pile plate supporting system has higher integral structural strength, can bear larger lateral pressure, and can well fix and protect the soil on two sides of a river channel; in addition, the pile plate supporting system can resist the washing of water flow, and the soil loss caused by the water flow impacting the soil on two sides of the river channel through the pile plate supporting system is prevented.
Furthermore, before concrete is poured in the pouring cavity, an auxiliary pouring plate is fixedly connected to the precast slab.
Has the beneficial effects that: the setting of supplementary board of pouring can be convenient the realization will pour the chamber and water the concrete.
Furthermore, when concrete is poured in the pouring cavity, the concrete is poured between the two adjacent retaining piles in a reciprocating mode.
Has the advantages that: the mode that adopts reciprocal concreting in pouring the chamber can guarantee that the concrete of pouring is more even.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a river slope protection pile plate supporting system according to the present invention;
fig. 2 is a side view of the river slope protection pile plate support system in fig. 1;
fig. 3 is a schematic structural diagram of a pouring cavity formed by upper and lower prefabricated plates of a river slope protection pile plate support system in fig. 1;
fig. 4 is a schematic structural view of a casting cavity formed by upper and lower prefabricated plates according to a second embodiment of the pile plate support system for river slope protection of the present invention;
fig. 5 is a schematic structural view of a casting cavity formed by upper and lower prefabricated plates according to a third embodiment of the river slope protection pile plate support system of the present invention.
Reference numerals: 1-supporting a pile; 2, precast slab; 3-pouring a cavity; 4-a threaded hole; 5-backfilling soil; 6-river bottom surface; 7-upper precast slab; 8-lower precast slab; 9-a first ridge; 10-a first avoidance groove; 11-a second ridge; 12-a second avoidance slot; 13-vertical connecting plates; 14-inclined plates; 15-upper precast slab; 16-lower prefabricated slab; 17-a slot; 18-ridges; 19-pouring a cavity; 20-upper precast slab; 21-lower precast slab; 22-slot; 23-ridges; and 24-pouring a cavity.
Detailed Description
The river course slope protection pile plate supporting system of the invention is further described in detail with reference to the accompanying drawings and the specific implementation mode:
the first embodiment is as follows: as shown in fig. 1 and 2, the river course slope protection pile plate supporting system of the invention comprises a plurality of supporting piles 1 arranged at intervals along the river bank, and the bottom of each supporting pile 1 is fixed below the bottom surface 6 of the river course, so that the supporting piles 1 have strong stability. In this embodiment, the cross-sectional shape of the support piles 1 is rectangular, the support piles 1 are of a cast-in-place concrete structure, and the distance between adjacent support piles 1 is about 1.5 to 2 m. Precast slabs 2 are fixed between the adjacent support piles 1, in the embodiment, the length of each precast slab 2 is equal to the distance between the adjacent support piles 1, the height of each precast slab 2 is 1m, and each precast slab 2 is precast by concrete. When the prefabricated slab is used, two ends of the prefabricated slab 2 are respectively fixedly connected with the support piles 1 in a sealing mode, in the embodiment, the prefabricated slab 2 is fixedly connected with the support piles 1 in a sealing mode through concrete.
Between adjacent fender pile 1, prefabricated plate 2 is provided with a plurality of along upper and lower direction interval, and in this embodiment, the clearance between the upper and lower adjacent prefabricated plate 2 is 5cm, forms between the upper and lower adjacent prefabricated plate 2 and pours the chamber, pours the chamber and extends the setting between adjacent fender pile 1, promptly, pours the length in chamber and equals with the distance between adjacent fender pile 1, pours the chamber and pours concrete in order to realize the sealed fixed connection of upper and lower adjacent prefabricated plate 2.
Specifically, as shown in fig. 3, the lower end of the precast slab 2 has an L-shaped cross section, the lower end of the precast slab 2 protrudes downwards towards one side of the slope protection to form a first protruding ridge 9, and the lower end of the precast slab 2 forms a first avoiding groove 10 towards one side of the river; the section of the upper end of the precast slab 2 is L-shaped, one side of the upper end of the precast slab 2, which faces the river channel, protrudes upwards to form a second protruding ridge 11, and one side of the upper end of the precast slab 2, which faces the slope protection, forms a second avoiding groove 12; during installation, the first convex ridge 9 at the lower end of the upper prefabricated plate 7 extends into the second avoiding groove 12 at the upper end of the lower prefabricated plate 8, and the second convex ridge 11 at the upper end of the lower prefabricated plate 8 extends into the first avoiding groove 10 at the lower end of the upper prefabricated plate 7, so that a pouring cavity with a Z-shaped cross section is formed at the lower end of the upper prefabricated plate 7 and the upper end of the lower prefabricated plate 8; in this embodiment, the benefit of the structural style of pouring the chamber is: firstly, the Z-shaped pouring cavity provides a cavity channel convenient for concrete to flow, so that the concrete can conveniently enter the pouring cavity; secondly, after the concrete is poured in the Z-shaped pouring cavity, the prefabricated slab 2 adjacent to the upper part and the lower part of the Z-shaped pouring cavity and in the direction perpendicular to the prefabricated slab 2, any position of the prefabricated slab 2 comprises a slab body of the prefabricated slab and a cast-in-place concrete structure, so that the connection between the prefabricated slab 2 adjacent to the upper part and the lower part is realized, the high structural strength of the connection part of the prefabricated slab 2 adjacent to the upper part and the lower part is ensured, and the formed pile slab supporting system is ensured to have high structural strength.
In order to further facilitate the concrete to flow in the pouring cavity, in this embodiment, the corners of the lower end of the precast slab 2 are in arc transition connection, that is, the corner of the first convex edge 9 of the precast slab 2 and the corner of the joint of the first convex edge 9 and the first avoidance groove 10 are in arc transition connection; the corners of the upper ends of the prefabricated panels 2 are in arc transition connection, namely, the corners of the second convex ridges 11 of the prefabricated panels 2 and the corners of the joints of the second convex ridges 11 and the second avoidance grooves 12 are in arc transition connection; so that the side wall of the formed pouring cavity is in smooth transition, and the poured concrete can flow in the pouring cavity conveniently.
In order to conveniently pour concrete in the pouring cavity, in this embodiment, an auxiliary pouring plate is detachably connected to one side of the pouring cavity, which faces the river, the length of the auxiliary pouring plate is equal to the distance between the opposite side surfaces of the two adjacent guard piles 1, and the auxiliary pouring plate and the upper and lower adjacent prefabricated plates 2 form a pouring opening of the pouring cavity together. In order to increase the amount of concrete stored in the auxiliary casting plate after the concrete is cast and prevent the concrete from overflowing out of the auxiliary casting plate, in this embodiment, the inclined plate 14 is an arc-shaped inclined plate 14 with an inner concave surface facing the casting cavity. In this embodiment, the vertical connecting plate 13 is fixedly connected with the prefabricated plate 2 through screws, two rows of threaded holes 4 arranged at intervals are prefabricated on the prefabricated plate 2, two rows of through holes for the screws to pass through are formed in the vertical connecting plate 13, and the through holes in the vertical connecting plate 13 are arranged corresponding to the threaded holes 4 in the prefabricated plate 2. In the embodiment, the height of the inclined plate 14 is higher than that of the pouring cavity, and in the embodiment, the hole distance between the adjacent threaded holes 4 is 50cm in the extending direction of the precast slab 2, and the hole distance between the adjacent through holes is 50cm in the extending direction of the vertical connecting plate 13.
The invention relates to construction prevention of a river channel slope protection pile plate supporting system, which comprises the following steps:
s1: constructing a support pile 1 along the bank of the river channel, wherein the bottom end of the support pile 1 is positioned below the bottom surface 6 of the river channel;
s2: slope releasing is carried out on one side, away from the river, of the support pile 1, and the lowest end of the slope releasing is not lower than the bottom surface 6 of the river;
s3: fixing a first precast slab 2 at the lowest end of the slope of the adjacent support pile 1 by using concrete, and then fixing a second precast slab 2 above the first precast slab 2 at intervals by using concrete so as to form a pouring cavity between the first precast slab 2 and the second precast slab 2;
s4: backfilling soil, wherein the height of the backfilled soil 5 is not higher than that of the second precast slab 2;
s5: fixedly connecting an auxiliary pouring plate on the first precast slab 2, and pouring concrete in a pouring cavity between the first precast slab 2 and the second precast slab 2 so as to fixedly connect the first precast slab 2 and the second precast slab 2 in a sealing manner;
when concrete is poured, the two adjacent support piles 1 are poured in a reciprocating mode until the pouring cavity is filled with the concrete;
s6: fixing the third precast slab 2 above the second precast slab at intervals by using concrete, so that a pouring cavity is formed between the second precast slab 2 and the third precast slab 2;
S7: backfilling soil, wherein the height of the backfilled soil 5 is not higher than that of the third prefabricated slab 2;
s8: fixedly connecting an auxiliary pouring plate on the second precast slab 2, and pouring concrete in a pouring cavity between the second precast slab 2 and the third precast slab 2 so as to fixedly and hermetically connect the second precast slab 2 and the third precast slab 2;
when concrete is poured, pouring is carried out between the adjacent supporting piles 1 in a reciprocating mode until the pouring cavity is filled with the concrete;
s9: the steps S6-S8 are circulated until the uppermost prefabricated slab 2 and the prefabricated slab 2 below the uppermost prefabricated slab are fixedly connected in a sealing way;
s10: and finishing the backfilling of the soil for slope releasing.
It should be noted that: in the attached figure 2, only the difference of the earth backfill height is represented, and the earth backfill has the same soil quality.
The second embodiment is as follows: as shown in fig. 4, different from the first embodiment, the cross section of the lower end of the prefabricated slab is in an inverted "concave" shape, and the middle of the lower end of the prefabricated slab is provided with a slot 17 with a rectangular cross section; the section of the upper end of the precast slab is in a convex shape, and a convex edge 18 with a rectangular section is arranged in the middle of the upper end of the precast slab; when the prefabricated plate is installed, the convex edge 18 at the upper end of the lower prefabricated plate 16 is positioned in the slot 17 at the lower end of the upper prefabricated plate 15, and the upper prefabricated plate 15 and the lower prefabricated plate 16 are arranged at intervals up and down to form a pouring cavity 19 with a cross section shaped like a Chinese character 'ji'.
The third concrete example: as shown in fig. 5, different from the first embodiment, the cross section of the lower end of the prefabricated slab is in a shape of inverted "concave", and the middle of the lower end of the prefabricated slab is provided with a slot 22 with a semicircular cross section; the section of the upper end of the precast slab is in a convex shape, and a convex edge 23 with a semicircular section shape is arranged in the middle of the upper end of the precast slab; when the prefabricated slab is installed, the convex edge 23 at the upper end of the lower prefabricated slab 21 is positioned in the slot 22 at the lower end of the upper prefabricated slab 20, and the upper prefabricated slab 20 and the lower prefabricated slab 21 are arranged at intervals up and down to form a pouring cavity 24 with a cross section in a shape of a Chinese character 'ji'.
In the above embodiments, in order to promote the flow of concrete in the casting cavity, the casting of concrete is performed by means of pressure grouting.
The river channel slope protection pile plate supporting system comprises supporting piles 1 and prefabricated plates, wherein the supporting piles 1 adjacent to the prefabricated plates are fixedly connected in a sealing mode, pouring cavities are formed between the adjacent supporting piles 1 and formed by the prefabricated plates which are adjacent up and down at intervals, and concrete is poured in the pouring cavities, so that the prefabricated plates which are adjacent up and down are fixedly connected in a sealing mode. The pile plate supporting system supporting pile 1 is firmly connected and sealed with the precast slabs, and the adjacent precast slabs are firmly connected and sealed, so that the pile plate supporting system is higher in overall structural strength, can bear larger lateral pressure, and can well fix and protect soil on two sides of a river channel; in addition, the pile plate supporting system can resist the washing of water flow, and prevents the water flow from impacting the soil at two sides of a river channel through the pile plate supporting system to cause soil loss.
In the embodiment, the arcs at the lower ends of the prefabricated plates are in transition connection, and the arcs at the upper ends of the prefabricated plates are in transition connection, so that the side walls of the pouring cavity are in smooth transition; in other embodiments, the corners of the lower ends of the prefabricated panels can be connected in a right angle, and the corners of the upper ends of the prefabricated panels can be connected in a right angle.
In the embodiment, one side of the pouring cavity, which faces the river channel, is detachably connected with an auxiliary pouring plate, and the auxiliary pouring plate and the upper and lower adjacent prefabricated plates jointly form a pouring opening of the pouring cavity; in other embodiments, the auxiliary casting plate may not be provided.
In the above embodiment, the auxiliary pouring plate includes a vertical connecting plate and an inclined plate fixed at the upper end of the vertical connecting plate; in other embodiments, the auxiliary pouring plate can also be a vertical connecting plate, a transverse connecting plate vertically fixed at the upper end of the vertical connecting plate, and a vertical baffle vertically and fixedly connected with one end of the transverse connecting plate far away from the vertical connecting plate.
In the embodiment, before concrete is poured in the pouring cavity, the auxiliary pouring plate is fixedly connected to the precast slab; in other embodiments, no auxiliary pouring plate may be disposed on the precast slab before the concrete is poured in the pouring cavity.
In the above embodiment, when concrete is poured into the pouring cavity, pouring is performed between two adjacent retaining piles in a reciprocating manner; in other embodiments, when concrete is poured in the pouring cavity, the pouring can be performed in sections.
Claims (10)
1. The utility model provides a river course bank protection pile sheet support system, characterized by includes:
supporting piles: a plurality of supporting piles are arranged at intervals along the bank of the river, and the bottoms of the supporting piles are fixed below the bottom surface of the river;
precast slab: the prefabricated slab is fixed between adjacent supporting piles, and two ends of the prefabricated slab are respectively fixedly connected with the supporting piles in a sealing way;
between adjacent fender pile, the prefabricated plate is provided with a plurality of along upper and lower direction interval, forms between the adjacent prefabricated plate of upper and lower and pours the chamber, pours the chamber and has pour the concrete in order to realize the sealed fixed connection of adjacent prefabricated plate of upper and lower.
2. The pile plate supporting system for the river channel slope protection as claimed in claim 1, wherein the lower end of the precast slab has an L-shaped cross section, the lower end of the precast slab protrudes downwards towards one side of the slope protection to form a first protruding ridge, and the lower end of the precast slab forms a first avoiding groove towards one side of the river channel; the section of the upper end of the prefabricated plate is L-shaped, one side, facing the river channel, of the upper end of the prefabricated plate protrudes upwards to form a second protruding ridge, and one side, facing the slope protection, of the upper end of the prefabricated plate forms a second avoiding groove; during installation, the first convex ridge at the lower end of the upper prefabricated plate extends into the second avoiding groove at the upper end of the lower prefabricated plate, and the second convex ridge at the upper end of the lower prefabricated plate extends into the first avoiding groove at the lower end of the upper prefabricated plate, so that a pouring cavity with a Z-shaped cross section is formed at the lower end of the upper prefabricated plate and the upper end of the lower prefabricated plate.
3. The river course slope protection pile plate supporting system as claimed in claim 1, wherein the cross section of the lower end of the precast slab is in an inverted concave shape, and a slot with a rectangular cross section is formed in the middle of the lower end of the precast slab; the section of the upper end of the precast slab is in a convex shape, and a convex edge with a rectangular section is arranged in the middle of the upper end of the precast slab; when the prefabricated plate is installed, the convex edge at the upper end of the lower prefabricated plate is positioned in the slot at the lower end of the upper prefabricated plate, and the upper prefabricated plate and the lower prefabricated plate are arranged at intervals up and down to form a pouring cavity with a cross section in a shape like a Chinese character 'ji'.
4. The river course slope protection pile plate supporting system as claimed in claim 1, wherein the cross section of the lower end of the precast slab is in an inverted 'concave' shape, and a slot with a semicircular cross section is formed in the middle of the lower end of the precast slab; the section of the upper end of the precast slab is in a convex shape, and a convex edge with a semicircular section shape is arranged in the middle of the upper end of the precast slab; when the prefabricated plate is installed, the convex edge at the upper end of the lower prefabricated plate is positioned in the slot at the lower end of the upper prefabricated plate, and the upper prefabricated plate and the lower prefabricated plate are arranged at intervals up and down to form a pouring cavity with a cross section in a shape like a Chinese character 'ji'.
5. The river slope protection pile plate supporting system of any one of claims 2 to 4, wherein the arc transition at the lower end of the prefabricated plate is connected, and the arc transition at the upper end of the prefabricated plate is connected, so that the side wall of the pouring cavity is smoothly transited.
6. The river course protection slope pile plate supporting system according to any one of claims 1-4, wherein one side of the pouring cavity facing the river course is detachably connected with an auxiliary pouring plate, and the auxiliary pouring plate and the upper and lower adjacent prefabricated plates form a pouring opening of the pouring cavity together.
7. The riverway slope protection pile plate supporting system according to claim 6, wherein the auxiliary pouring plate comprises a vertical connecting plate and an inclined plate fixed to the upper end of the vertical connecting plate.
8. A construction method of a river channel slope protection pile plate supporting system is characterized by comprising the following steps:
s1: constructing supporting piles along the bank of the river channel, wherein the bottom ends of the supporting piles are positioned below the bottom surface of the river channel;
s2: slope releasing is carried out on one side, away from the river channel, of the support pile, and the lowest end of the slope releasing is not lower than the bottom surface of the river channel;
s3: fixing a first precast slab to the lowest end of the slope of the adjacent support pile by using concrete, and then fixing a second precast slab above the first precast slab at intervals by using concrete so as to form a pouring cavity between the first precast slab and the second precast slab;
s4: backfilling soil, wherein the backfilling height is not higher than the upper part of the second precast slab;
s5: pouring concrete in a pouring cavity between the first precast slab and the second precast slab so as to enable the first precast slab and the second precast slab to be fixedly connected in a sealing manner;
S6: fixing the third precast slab above the second precast slab at intervals by using concrete so as to form a pouring cavity between the second precast slab and the third precast slab;
s7: backfilling soil, wherein the backfilling height is not higher than that above the third prefabricated slab;
s8: pouring concrete in a pouring cavity between the second precast slab and the third precast slab so as to fixedly connect the second precast slab and the third precast slab in a sealing way;
s9: the steps S6-S8 are circulated until the uppermost prefabricated slab is fixedly connected with the prefabricated slab below the uppermost prefabricated slab in a sealing way;
s10: and finishing soil backfilling of the slope.
9. The method of claim 8, wherein an auxiliary pouring plate is fixedly attached to the precast slab before the concrete is poured into the pouring cavity.
10. The method of claim 9, wherein the two adjacent piles are cast in a reciprocating manner while concrete is poured into the casting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210415552.3A CN114753298A (en) | 2022-04-20 | 2022-04-20 | River channel slope protection pile plate supporting system and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210415552.3A CN114753298A (en) | 2022-04-20 | 2022-04-20 | River channel slope protection pile plate supporting system and construction method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210415552.3A Pending CN114753298A (en) | 2022-04-20 | 2022-04-20 | River channel slope protection pile plate supporting system and construction method thereof |
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| FR1127500A (en) * | 1955-06-01 | 1956-12-17 | Dragages De La Haute Moselle | Reinforced concrete curtain for the protection of the banks of waterways |
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