CN109487748A - Nearby Structure depth riverbed quaywall supporting construction and construction method - Google Patents
Nearby Structure depth riverbed quaywall supporting construction and construction method Download PDFInfo
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- CN109487748A CN109487748A CN201810559976.0A CN201810559976A CN109487748A CN 109487748 A CN109487748 A CN 109487748A CN 201810559976 A CN201810559976 A CN 201810559976A CN 109487748 A CN109487748 A CN 109487748A
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- 238000010276 construction Methods 0.000 title claims abstract description 40
- 230000008878 coupling Effects 0.000 claims abstract description 20
- 238000010168 coupling process Methods 0.000 claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 claims abstract description 20
- 239000002689 soil Substances 0.000 claims abstract description 9
- 238000005266 casting Methods 0.000 claims abstract description 4
- 239000004567 concrete Substances 0.000 claims description 44
- 239000004576 sand Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000004927 clay Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010438 granite Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000004162 soil erosion Methods 0.000 description 3
- 238000007596 consolidation process Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of Nearby Structure depth riverbed quaywall supporting construction and construction methods, belong to construction of hydro project technical field, solve the problems, such as that common quaywall supporting construction is difficult to construct in the case where Nearby Structure, its key points of the technical solution are that, including being poured in the soil body of river two sides vertically, and the preceding campshed and rear campshed being parallel to each other, the height of the front row stake top is lower than the height of the heel row stake top, crown beam is provided at the top of the preceding campshed and the rear campshed, formed by integrally casting is connected with the spaced coupling beam of multiple tracks between crown beam and the pile body of campshed afterwards on the preceding campshed, the two preceding campsheds are respectively and fixedly provided with the first hanging plate on the one side in river, it is further fixed between the pile body of two preceding campsheds several spaced to support beam, reach safety and stability, it is convenient to close on building The purpose constructed at the river on object side.
Description
Technical field
The present invention relates to construction of hydro project technical field, in particular to Nearby Structure depth riverbed quaywall supporting construction and
Construction method.
Background technique
Building is more intensive along city inland river road dyke, and when comprehensive improvement machine dyke in river is transformed, house is relocated residents from locations to be used for construction of new buildings or factories tired
Difficulty, when building embankment, excavation pit needs strict control sedimentation and deformation etc., guards against to closing on house and has an adverse effect.For
Groove is deeper, and the higher River Embankment deep foundation pit supporting structure of bank slope is especially needed to cause enough attention.Generally use water conservancy project gear
Cob wall or campshed+anchor pole (anchor cable) supporting construction.
The shortcomings that above-mentioned quaywall supporting construction, is as follows: 1, using water conservancy project retaining wall structure, needing very big construction working face
And slope space is excavated, usually in the case where Nearby Structure, it is difficult to implement；2, using campshed+anchor pole (anchor cable) supporting knot
Structure exceeds land red-line range, evens penetrate into Nearby Structure ground beneath when setting there are anchor pole (anchor cable) the case where, not
In the case where through ownership unit (individual) license, it is easy to produce dispute.In the recent period, regulation etc. is put into effect in many cities in succession, is being closed on
When other buildings, limitation uses anchor pole (anchor cable) Scheme of Strengthening.Gu needing to design a kind of new Nearby Structure depth riverbed bank
Wall supporting construction.
Summary of the invention
An object of the present invention is to provide a kind of Nearby Structure depth riverbed quaywall supporting construction, have safety and stability,
The advantages of convenient river on Nearby Structure side is constructed.
Above-mentioned technical purpose of the invention has the technical scheme that Nearby Structure depth riverbed quaywall
Supporting construction, including being poured in the preceding campshed and rear campshed that in the soil body of river two sides and are parallel to each other, the preceding campshed stake vertically
The height on top is lower than the height of the heel row stake top, is provided with crown beam at the top of the preceding campshed and the rear campshed, institute
It states formed by integrally casting between the crown beam on preceding campshed and the pile body of the rear campshed and is connected with the spaced coupling beam of multiple tracks, described in two
Preceding campshed is respectively and fixedly provided with the first hanging plate on the one side in river, is further fixed between the pile body of two preceding campsheds several
It is spaced to support beam.
By using above-mentioned technical proposal, the rigidly connected coupling beam of the multiple tracks added between preceding campshed and rear campshed increases
The big lateral rigidity of Retaining Structure with Double-row Piles entirety, can effectively keep out the lateral pressure on river bank；On the outside of preceding campshed
One hanging plate can be used as water-retaining cofferdam, reduce river water to soil erosion caused by the washing away of riverbank；Before being arranged in two between campshed
Several pairs of support beams, further increase the factor of safety against overturning of Retaining Structure with Double-row Piles, without installing anchor cable, subtract significantly
Retaining Structure with Double-row Piles is lacked to the occupancy of the underground space, has been carried out with safety and stability, conveniently in the river on Nearby Structure side
The advantages of construction.
The further setting of the present invention, the preceding campshed and the rear campshed are combined by several bored concrete piles being arranged side by side
It forms, there are gaps between adjacent two bored concrete piles.
The preceding campshed be composed of by using above-mentioned technical proposal the bored concrete pile of this size and rear piling structure jail
Gu stability is high.
The hard stratum of river underground is inserted into the bottom end of the further setting of the present invention, the preceding campshed and the rear campshed
In.
Structural stability by using above-mentioned technical proposal, the preceding campshed and rear campshed that are inserted into hard stratum is higher, anti-to incline
It is stronger to cover ability.
The further setting of the present invention, the cross-sectional area of described pair of support beam are 80cm × 80cm, adjacent two described pair of supports
The center spacing of beam is 2.5-3.0 meter Yi Gen.
By using above-mentioned technical proposal, the setting of this spacing two are horizontally supported to support beam before between campshed, into one
Campshed is not susceptible to tilt before step makes.
The further setting of the present invention, described pair of support beam includes concrete river bottom protection made of being poured on steel reinforcement cage as concrete
Layer, the concrete river bottom protection layer lower section are equipped with plain concrete bed course.
By using above-mentioned technical proposal, the effect that plain concrete bed course primarily serves protection foundation soil, balances integrated carrying, together
When reduce corrosion function of the underground water to armored concrete.
The further setting of the present invention, element concrete bed course lower section are additionally provided with metalling and coarse sand filtering layer.
By using above-mentioned technical proposal, blotter and metalling can play the role of diffusion-induced stress with soft foundation,
It can play the role of draining simultaneously, accelerate the consolidation and sedimentation of lower part soil layer.
The further setting of the present invention, the lateral surface that the rear campshed is higher than the preceding campshed are fixed with the second hanging plate.
By using above-mentioned technical proposal, the second hanging plate is higher than front-seat stake top as second level water-retaining cofferdam, in river water level
When portion, river water can be reduced to soil erosion caused by the washing away of riverbank.
The further setting of the present invention is equipped with base board above several coupling beams, is provided on the base board
Pavement and greenbelt, the railing being also equipped in the crown beam on the outside of pavement.
By using above-mentioned technical proposal, the setting of greenbelt and pavement makes river two sides in Retaining Structure with Double-row Piles
More preferably, the setting of railing improves safety to landscape.
The second object of the present invention is to provide a kind of construction method of Nearby Structure depth riverbed quaywall supporting construction, have
Safety and stability, conveniently Nearby Structure side river construct the advantages of.
Above-mentioned technical purpose of the invention has the technical scheme that Nearby Structure depth riverbed quaywall
The construction method of supporting construction, comprising the following steps:
1), according to the geological conditions of river two sides, the long stake of the bored concrete pile of preceding campshed and rear campshed, stake diameter, stake spacing, preceding is determined
Spacing between campshed and rear campshed is confirmed and is marked to bored concrete pile, coupling beam and to the nodal section size of support beam and stake position；
2) complete by the way of cast-in-situ bored pile according to setting height on stake position after smooth location, according to construction requirement
At all bored concrete piles, the stake top of bored concrete pile is reserved with anchor bar, and the height of front-seat stake top is lower than the stake top of rear campshed
Highly；
3) integrally formed crown beam and coupling beam, are poured between the stake top of preceding campshed and preceding campshed and rear campshed, at two front rows
It is poured between stake several spaced apart to support beam；
4) the first hanging plate, is installed in the lateral surface of preceding campshed, the second hanging plate is installed in the lateral surface of rear campshed.
By using above-mentioned technical proposal, increase the lateral rigid of Retaining Structure with Double-row Piles entirety using coupling beam and to support beam
Degree, can effectively keep out the lateral pressure on river bank, improve the factor of safety against overturning of Retaining Structure with Double-row Piles, without
Anchor cable is installed, Retaining Structure with Double-row Piles is greatly reduced to the occupancy of the underground space, there is safety and stability, conveniently closing on building
The advantages of river on object side is constructed.
In conclusion the invention has the following advantages:
1, the rigidly connected coupling beam of the multiple tracks added between preceding campshed and rear campshed and to support beam, increase Double-row Piles Support knot
The lateral rigidity of structure entirety can effectively keep out the lateral pressure on river bank, increase the antidumping peace of Retaining Structure with Double-row Piles
Overall coefficient；
2, the first hanging plate and the second hanging plate can be used as water-retaining cofferdam, it is possible to reduce river water is to water and soil stream caused by the washing away of riverbank
It loses；
3, using Retaining Structure with Double-row Piles without installing anchor cable, the occupancy to the underground space is greatly reduced, it is convenient to build closing on
It constructs in the river for building object side.
Detailed description of the invention
Fig. 1 is cross-section diagram of the Retaining Structure with Double-row Piles in river in the embodiment of the present invention；Structural schematic diagram；
Fig. 2 is the overall structure diagram of Retaining Structure with Double-row Piles in the embodiment of the present invention；
Fig. 3 is the enlarged drawing in Fig. 1 at A.
Appended drawing reference: 1, preceding campshed；2, rear campshed；3, crown beam；4, coupling beam；41, concrete river bottom protection layer；42, plain concrete bed course；43,
Metalling；44, coarse sand filtering layer；5, the first hanging plate；6, to support beam；7, the second hanging plate；8, base board；9, pavement；10, it afforests
Band；11, railing；12, miscellaneous fill layer；13, silty clay layer；14, sandy gravel stratum；15, gravelly clay layer；16, weathered granite
Layer.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment
Nearby Structure depth riverbed quaywall supporting construction as depicted in figs. 1 and 2, including is poured in river two sides soil vertically
In body and the preceding campshed 1 and rear campshed 2 that are parallel to each other, the height of preceding 1 stake top of campshed are lower by 5.0 than the height of rear 2 stake top of campshed
Rice.The integrated pouring molding in the top of preceding campshed 1 and rear campshed 2 has crown beam 3, the crown beam 3 and rear campshed 2 at the top of preceding campshed 1
Formed by integrally casting forms coupling beam 4 between pile body, and coupling beam 4 is formed using C35 reinforcing bar concrete placings.Before two campshed 1 close to river one
Face is respectively and fixedly provided with the first hanging plate 5, and the first hanging plate 5 uses the C30 reinforced concrete hanging plate of 300 mm of thickness, and campshed 1 is located at first before two
There is to support beam 6 pouring molding between the pile body of 5 lower section of hanging plate.Coupling beam 4 and to support beam 6 setting increase Retaining Structure with Double-row Piles
Whole lateral rigidity, can effectively keep out the lateral pressure on river bank, improve the antidumping safety of Retaining Structure with Double-row Piles
Coefficient greatly reduces Retaining Structure with Double-row Piles to the occupancy of the underground space without installing anchor cable, have safety and stability,
Conveniently the advantages of the river on Nearby Structure side is constructed.
The lateral surface that campshed 2 is higher than preceding campshed 1 afterwards is fixed with the second hanging plate 7, and the second hanging plate 7 is using 300 mm of thickness
C30 reinforced concrete hanging plate, the second hanging plate 7 are used as second level water-retaining cofferdam, when river water level is higher than preceding 1 top of campshed, can be reduced river
Water is to soil erosion caused by the washing away of riverbank.
The top of coupling beam 4 is equipped with base board 8, and pavement 9 and greenbelt 10 are provided on base board 8, is also pacified in crown beam 3
Equipped with the railing 11 for being located at 9 outside of pavement, the setting on greenbelt 10 and pavement 9 makes river two sides in Retaining Structure with Double-row Piles
Landscape more preferably, the setting of railing 11 improves safety.
According to geological prospecting, the geological stratification structure of river two sides is successively miscellaneous fill layer 12, silty clay layer from top to bottom
13, sandy gravel stratum 14, gravelly clay layer 15 and weathered granite layer 16.Preceding campshed 1 and rear campshed 2 are by length 25m, diameter
1200 millimeters of bored concrete pile Side by side groupings forms, and the center spacing of adjacent two bored concrete piles is 1500 millimeters, the bottom of bored concrete pile
It is inserted into the harder weathered granite layer 16 of quality, this Double-row-piles Structure stability is higher, and resistance to capsizing is stronger.
As shown in Fig. 2, being 80cm × 80cm to the cross-sectional area of support beam 6, adjacent two are to the center spacing of support beam 6
3.0 meter Yi Gen, the setting of this spacing two are horizontally supported to support beam 6 before between campshed 1, campshed 1 is not easy to send out before further making
Raw inclination.
As shown in figure 3, including concrete river bottom protection layer 41, concrete river bottom protection made of being poured on steel reinforcement cage as concrete to support beam 6
The thickness of layer 41 is preferably 300 millimeters, and plain concrete bed course 42 is equipped with below concrete river bottom protection layer 41, and the thickness of plain concrete bed course 42 is preferably
150 millimeters.Plain concrete bed course 42 primarily serves protection foundation soil, balances the effect of integrated carrying, while reducing underground water to reinforcing bar
The corrosion function of concrete.
Plain 42 lower section of concrete bed course is also disposed with the coarse sand filtering layer of the mm of thickness of metalling 43 and 150 of 250 millimeters thicks
44, metalling 43 is laid with using the rubble of granularity 5-20, and coarse sand filtering layer 44 is laid with using the coarse sand of granularity 0.5-5.
Coarse sand filtering layer 44 and metalling 43 can be played the role of diffusion-induced stress, while can play draining, be added with soft foundation
The consolidation and sedimentation of fast lower part soil layer.
The present embodiment also proposed a kind of construction method of Nearby Structure depth riverbed quaywall supporting construction, including following step
It is rapid:
1), according to the geological conditions of river two sides, determine the long stake of the bored concrete pile of preceding campshed 1 and rear campshed 2, stake diameter, stake spacing,
Spacing between preceding campshed 1 and rear campshed 2 confirms to bored concrete pile, coupling beam 4 and to the nodal section size of support beam 6 and stake position
And label；
2) complete by the way of cast-in-situ bored pile according to setting height on stake position after smooth location, according to construction requirement
At all bored concrete piles, the stake top of bored concrete pile is reserved with anchor bar, and the height of 1 stake top of preceding campshed is lower than the stake of rear campshed 2
Heights of roofs；
3) integrally formed crown beam 3 and coupling beam 4, are poured between the stake top and preceding campshed 1 and rear campshed 2 of preceding campshed 1, two
It is poured between preceding campshed 1 several spaced apart to support beam 6；
4) first hanging plate 5, is installed in the lateral surface of preceding campshed 1, the second hanging plate 5 is installed in the lateral surface of rear campshed, and in coupling beam 4
Top roadbed paving plate 8, the construction on base board 8 enterprising pedestrian trade 9 and greenbelt 10, and railing 11 is installed in crown beam 3.
The course of work and principle: the rigidly connected coupling beam 4 of multiple tracks and setting are set between preceding campshed 1 and rear campshed 2
Before two between campshed 1 to support beam 6, Retaining Structure with Double-row Piles entirety factor of safety against overturning is increased, without installing
Anchor cable greatly reduces Retaining Structure with Double-row Piles to the occupancy of the underground space, has safety and stability, conveniently on Nearby Structure side
River the advantages of being constructed.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (9)
1. Nearby Structure depth riverbed quaywall supporting construction, which is characterized in that including being poured in the soil body of river two sides vertically and
The preceding campshed (1) and rear campshed (2) being parallel to each other, the height of preceding campshed (1) stake top is lower than described rear campshed (2) stake top
Highly, it is provided with crown beam (3) at the top of the preceding campshed (1) and the rear campshed (2), the crown beam on the preceding campshed (1)
(3) formed by integrally casting is connected with the spaced coupling beam of multiple tracks (4), the two preceding campsheds between the pile body of the rear campshed (2)
(1) it is respectively and fixedly provided with the first hanging plate (5) on the one side in river, several intervals is further fixed between the preceding campshed (1) and are set
Set to support beam (6).
2. Nearby Structure depth according to claim 1 riverbed quaywall supporting construction, which is characterized in that the preceding campshed
(1) with it is described after campshed (2) be composed of several bored concrete piles being arranged side by side, between adjacent two bored concrete piles there are
Gap.
3. Nearby Structure depth according to claim 2 riverbed quaywall supporting construction, which is characterized in that the preceding campshed
(1) it is inserted into the hard stratum of river underground with the bottom end of the rear campshed (2).
4. Nearby Structure depth according to claim 1 riverbed quaywall supporting construction, which is characterized in that described pair of support beam
(6) cross-sectional area is 80cm × 80cm, and the center spacing of adjacent two described pair of supports beam (6) is 2.5-3.0 meter Yi Gen.
5. Nearby Structure depth according to claim 1 riverbed quaywall supporting construction, which is characterized in that described pair of support beam
(6) include concrete river bottom protection layer (41) made of being poured on steel reinforcement cage as concrete, element is equipped with below the concrete river bottom protection layer (41)
Concrete bed course (42).
6. Nearby Structure depth according to claim 5 riverbed quaywall supporting construction, which is characterized in that the element concrete bed course
(42) lower section is additionally provided with metalling (43) and coarse sand filtering layer (44).
7. Nearby Structure depth according to claim 1 riverbed quaywall supporting construction, which is characterized in that campshed after described
(2) the second hanging plate (7) are fixed with higher than the lateral surface of the preceding campshed (1).
8. Nearby Structure depth according to claim 1 riverbed quaywall supporting construction, which is characterized in that several coupling beams
(4) it is equipped with above base board (8), is provided with pavement (9) and greenbelt (10), the crown beam on the base board (8)
(3) railing (11) being also equipped on the outside of pavement (9).
9. the construction method of Nearby Structure depth riverbed quaywall supporting construction, which comprises the following steps:
1), according to the geological conditions of river two sides, determine that the stake of the bored concrete pile of preceding campshed (1) and rear campshed (2) is long, stake diameter, stake
Spacing between spacing, preceding campshed (1) and rear campshed (2), to bored concrete pile, coupling beam (4) and to support beam (6) nodal section size and
Stake position is confirmed and is marked；
2) complete by the way of cast-in-situ bored pile according to setting height on stake position after smooth location, according to construction requirement
At all bored concrete piles, the stake top of bored concrete pile is reserved with anchor bar, and the height of preceding campshed (1) stake top is lower than rear campshed (2)
Stake top height；
3) integrally formed crown beam (3), is poured between the stake top of preceding campshed (1) and preceding campshed (1) and rear campshed (2) and is connected
Beam (4) pours between campshed (1) before two several spaced apart to support beam (6)；
4) the first hanging plate (5), are installed in the lateral surface of preceding campshed, the second hanging plate (7) are installed in the lateral surface of rear campshed (2).
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| CN201810559976.0A CN109487748A (en) | 2018-06-02 | 2018-06-02 | Nearby Structure depth riverbed quaywall supporting construction and construction method |
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| CN201810559976.0A CN109487748A (en) | 2018-06-02 | 2018-06-02 | Nearby Structure depth riverbed quaywall supporting construction and construction method |
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| CN110144784A (en) * | 2019-06-13 | 2019-08-20 | 福建工程学院 | The town road and its construction method constructed based on prestressed concrete plate stake |
| CN113026659A (en) * | 2021-03-19 | 2021-06-25 | 江苏顺骁工程科技有限公司 | Artificial intelligent wharf quay wall supporting structure and construction method thereof |
| CN114960729A (en) * | 2022-05-11 | 2022-08-30 | 浙江省钱塘江管理局勘测设计院 | Method for improving fortification standard of existing vertical scour prevention structure of dike foot |
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Application publication date: 20190319 |