CN215629710U - Sheet pile shore-connection type high-pile wharf structure suitable for deep peat soil soft foundation - Google Patents
Sheet pile shore-connection type high-pile wharf structure suitable for deep peat soil soft foundation Download PDFInfo
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- CN215629710U CN215629710U CN202121968999.0U CN202121968999U CN215629710U CN 215629710 U CN215629710 U CN 215629710U CN 202121968999 U CN202121968999 U CN 202121968999U CN 215629710 U CN215629710 U CN 215629710U
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Abstract
The utility model discloses a sheet pile shore-connection type high-pile wharf structure suitable for a deep soft peat soil foundation. Sheet pile structure the place ahead is built there is the pile foundation structure, and pier superstructure has been built at pile foundation structure and sheet pile structure top, and the sheet pile structure adopts wall type high pressure jet grouting pile treatment area towards the sea side, and the sheet pile structure forms the district for land area towards the land side, according to the function subregion, adopts wall type stirring pile treatment area and stake formula stirring pile treatment area respectively. The utility model solves the difficult problem of constructing a wharf by using deep peat soil soft foundation, and the sheet pile structure can narrow the width of a high pile platform and reduce the manufacturing cost; the sheet pile structure can form a water-stop cofferdam, thereby providing dry construction conditions for land foundation treatment and reducing the construction difficulty; the wall type high-pressure jet grouting pile and the wall type cement mixing pile processing area can reduce the internal force of the sheet pile structure and reduce the manufacturing cost; the pile type mixing pile processing area can increase land bearing capacity and reduce settlement.
Description
Technical Field
The utility model relates to the technical field of a wharf structure of a water transport engineering, in particular to a sheet pile shore-connection type high-pile wharf structure suitable for a deep soft peat soil foundation.
Background
The wharf structure generally comprises a gravity wharf, a sheet pile wharf, a high pile wharf and the like, wherein the gravity wharf can be divided into a caisson wharf, a square wharf, a counterfort wharf and the like, and is mainly suitable for better geological conditions; the sheet pile wharf can be divided into a sheet pile wharf, a reinforced concrete sheet pile wharf, a steel sheet pile wharf and the like according to the type of a soil retaining structure, and can be divided into an anchorless sheet pile wharf, a single-pull-rod anchorage sheet pile wharf, a multi-pull-rod anchorage sheet pile wharf, a diagonal-pull sheet pile wharf and the like according to the structural form of anchorage, so that the sheet pile wharf is suitable for areas with sufficient backfill and can be suitable for different types of geological conditions, and appropriate foundation treatment measures are required when the geology is poor; the high-pile wharf can be divided into a timber pile wharf, a reinforced concrete square pile wharf, a PHC pile wharf, a steel pipe pile wharf, a cast-in-place pile wharf, a large-diameter pipe pile wharf and the like according to different pile foundation types, can be divided into a narrow pile platform wharf and a wide pile platform wharf according to the width of a platform, is suitable for different types of geological conditions, and is better in adaptability to weak geological conditions compared with a gravity wharf and a sheet pile wharf.
Peat soil is a soft soil with poorer properties than silt and mucky soil, is widely distributed in lakes, rivers, coastal mudflats and other places, and has the characteristics of high organic matter content, high water content, low strength, high compressibility, slow solidification and the like, so that the reinforcing treatment difficulty is extremely high, and the wharf engineering construction is seriously damaged. The problem to be solved in the industry is urgent to how to select a proper wharf structure form and a proper foundation treatment mode for a deep soft peat soil foundation.
The utility model adopts the sheet pile structure with larger height difference as the wharf shore-connecting structure, can effectively narrow the width of the high pile platform and reduce the manufacturing cost; the sheet pile structure can form a water-stop cofferdam, dry construction conditions are provided for foundation treatment of land forming areas, and construction difficulty is reduced; the wall type high-pressure jet grouting pile processing area and the wall type stirring pile processing area can reduce the internal force of the sheet pile structure and reduce the manufacturing cost; the pile type mixing pile processing area can increase the bearing capacity of the land forming area and reduce the settlement. Therefore, the development of a sheet pile shore-connection type high-pile wharf structure suitable for a deep soft peat soil foundation is really necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sheet pile shore-connection type high-pile wharf structure suitable for a deep soft peat soil foundation, which is arranged on the deep soft peat soil foundation and comprises a high-pile platform, a high-pressure jet grouting pile processing area, a sheet pile structure and a land area forming area, wherein the high-pile platform is arranged behind a wharf front line, the sheet pile structure is arranged behind the high-pile platform and serves as a shore-connection structure of the wharf, the high-pressure jet grouting pile processing area is arranged at the bottom of the sheet pile structure and faces the sea side, and the land area forming area is arranged behind the sheet pile structure and faces the land side.
Preferably, the sheet pile structure further comprises steel sheet piles, the steel sheet piles are closely arranged in a wall type in parallel to the direction of the front edge line of the wharf and are driven into the peat soil to form a soil retaining and shore connecting structure with a large height difference, and the width of the high pile platform can be effectively narrowed.
Preferably, high pressure jet grouting pile treatment area includes that high pressure spouts the pile body and original state peat soil soon, overlap joint each other between the high pressure jet grouting pile body to adopt the wall type to arrange in high pressure jet grouting pile treatment area, become a plurality of vertical and horizontal wall type high pressure and spout the pile body setting soon in sheet pile structure bottom towards the sea side, the sheet pile structure adopts the high pressure jet grouting pile body and the sheet pile structure of one row of wall type range to closely laminate towards the sea side bottom the sea side, the high pressure jet grouting pile body of a plurality of perpendicular to sheet pile structure axis becomes the wall type and arranges the setting in sheet pile structure bottom towards the sea side.
Preferably, the land area forming area comprises a cement mixing pile processing area, backfill and pavement, the cement mixing pile processing area is arranged at the bottom of the land area forming area, the backfill is filled from the upper part of the cement mixing pile processing area, and concrete is paved on the top of the backfill to form the pavement.
Preferably, the cement mixing pile processing area comprises a wall type mixing pile processing area and a pile type mixing pile processing area, the wall type mixing pile processing area comprises a cement mixing pile body and original peat soil, the cement mixing pile bodies are mutually lapped and arranged in the wall type mixing pile processing area in a wall type, and a plurality of longitudinal and transverse wall type cement mixing pile bodies are arranged in the rear land side of the sheet pile structure in a clinging mode. The wall type mixing pile has high shear strength and can effectively reduce the active soil pressure acting on the sheet pile structure.
Preferably, stake formula stirring stake processing area includes cement stirring pile body and original state peat soil, cement stirring pile body becomes evenly dispersed in stake formula stirring stake processing area and arranges, sets up towards the land side at the rear in wall type stirring stake processing area. The bearing capacity of the foundation of the land formation area can be improved, and the total settlement and the uneven settlement after construction can be reduced.
Preferably, the high pile platform includes pile foundation structure and pier superstructure, the pile foundation structure pierces through the soft base of peat matter soil to in the better holding power layer in the soil below of entering peat matter, pier superstructure erects in pile foundation structure top, and with shop front smooth-going be connected.
Preferably, the pile foundation structure includes at least a pair of fork stake and a plurality of straight stake, the fork stake slope pierces through soft base of peat matter soil to in the better holding power layer in peat matter soil below, straight stake perpendicularly pierces through soft base of peat matter soil to in the better holding power layer in peat matter soil below. The horizontal force resistance of the wharf structure can be improved through the forked piles, and the vertical piles mainly bear vertical loads of the wharf superstructure.
Preferably, pier superstructure adopts quadrature concrete beam slab structure form, including cap roof beam, longeron, crossbeam, panel, longeron and crossbeam become vertically and horizontally staggered and set up in the pile foundation structurally, the panel level erects on longeron and crossbeam, the cap roof beam sets up at sheet pile structure top, is connected with crossbeam and panel. The top of the sheet pile structure is connected with the wharf upper structure through a cast-in-place concrete cap beam.
Preferably, high pile platform below is harbor basin excavation line, and harbor basin excavation line is the downhill path form towards the sea side, and the regional excavation slope of original state peat soil is the nature and stabilizes the slope, can adopt 1 at the high pressure jet grouting pile treatment area excavation slope: 2.5-1: 5.
compared with the prior art, the utility model has the beneficial effects that:
(1) the utility model provides a sheet pile shore-connection type high-pile wharf structure suitable for a deep soft peat soil foundation, wherein the sheet pile structure can realize the function of large-height-difference soil retaining, can effectively narrow the width of a high-pile platform and reduce the construction cost;
(2) the utility model provides a sheet pile shore-connection type high-pile wharf structure suitable for a deep soft peat soil foundation, and according to the characteristics of different functional partitions and foundation treatment modes, parameters such as an optimized arrangement form, treatment width, treatment elevation, replacement rate and the like of high-pressure jet grouting piles and cement mixing piles are provided, and the optimal wharf function is realized at the minimum foundation treatment cost, so that the construction cost is reduced;
(3) the utility model provides a sheet pile shore-connection type high-pile wharf structure suitable for a deep soft peat soil foundation, wherein the shear strength of the soft peat soil foundation can be greatly improved by wall type high-pressure jet grouting pile processing areas and wall type stirring pile processing areas on two sides of the sheet pile structure, the internal force of the sheet pile structure is effectively reduced, the size of the sheet pile structure is further reduced, and the purpose of reducing the construction cost is achieved;
(4) the utility model provides a sheet pile shore-connection type high-pile wharf structure suitable for a deep soft peat soil foundation, a high-pile platform can provide horizontal support for the sheet pile structure, a pull rod anchorage system is not required to be additionally arranged, and the construction cost is reduced;
(5) the utility model provides a sheet pile shore-connection type high-pile wharf structure suitable for a deep peat soil soft foundation, wherein the sheet pile structure is positioned behind a high-pile platform, and the cantilever height of the sheet pile structure can be effectively reduced by digging and slope-releasing a harbor basin below the high-pile platform, so that the internal force of the sheet pile structure is effectively reduced, the size of the sheet pile structure is further reduced, and the purpose of reducing the construction cost is realized;
(6) the utility model provides a sheet pile shore-connection type high-pile wharf structure suitable for a deep soft peat soil foundation, wherein the sheet pile structure can be used as a water-stopping cofferdam, negative pressure can be generated through precipitation to offset partial active soil pressure, the stress of the sheet pile structure is reduced, and the safety of a construction period is ensured; in addition, after precipitation, a long-time dry construction environment can be provided for rear land foundation treatment, and no ship machine equipment for overwater foundation treatment is required, so that the construction difficulty and the construction cost are greatly reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of a sheet pile shore-connected high-pile wharf structure suitable for a deep soft peat soil foundation of the present invention;
FIG. 2 is a schematic plan view of a high-pile platform of a sheet-pile shore-connection type high-pile wharf structure suitable for a deep soft peat soil foundation;
fig. 3 is a schematic plane view of the foundation treatment of the sheet pile shore-connection type high-pile wharf structure suitable for the deep soft peat soil foundation.
In the figure, 1 is a pile foundation structure, 11 is a vertical pile, 12 is a forked pile, 2 is a sheet pile structure, 21 is a steel sheet pile, 3 is a wharf superstructure, 31 is a cap beam, 32 is a cross beam, 33 is a longitudinal beam, 34 is a panel, 35 is a fender, 36 is a bollard, 4 is a high-pressure jet grouting pile processing area, 41 is a high-pressure jet grouting pile body, 5 is a land forming area, 51 is a cement mixing pile processing area, 52 is a wall mixing pile processing area, 53 is a pile type mixing pile processing area, 54 is backfill, 55 is a pavement, 56 is a cement mixing pile body, 6 is a high pile platform, 7 is original state peat soil, and 8 is a holding layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a sheet pile connects bank formula high pile wharf structure suitable for dark thick peat soil soft foundation sets up on dark thick peat soil soft foundation, spouts a processing area 4, sheet pile structure 2 and land territory formation district 5 soon including high pile platform 6, high pressure, high pile platform 6 sets up at wharf front edge line rear, sheet pile structure 2 sets up at high pile platform 6 rear, and as the bank structure that connects of pier, high pressure spouts a processing area 4 and sets up in sheet pile structure 2 bottom towards the sea side soon, land territory formation district 5 sets up at sheet pile structure 2 rear towards the land side.
Referring to fig. 1 and 2, the sheet pile structure 2 further includes steel sheet piles 21, the steel sheet piles 21 are closely arranged in a wall type arrangement parallel to the direction of the front edge line of the wharf, and are driven into peat soil to form a soil-retaining and shore-connecting structure with a large height difference, so that the width of the high pile platform 6 can be effectively narrowed. The steel sheet pile 21 needs to take appropriate anticorrosion measures, such as a sacrificial anode, an anticorrosion coating and the like.
Referring to fig. 1 and 3, the original peat soil 7 of the sheet pile structure 2 facing the sea side needs to be excavated to a harbor basin excavation line; the high-pressure rotary jet grouting pile processing area 4 comprises high-pressure rotary jet grouting pile bodies 41 and original peat soil 7, the high-pressure rotary jet grouting pile bodies 41 are mutually overlapped and arranged in the high-pressure rotary jet grouting pile processing area 4 in a wall type, and a plurality of vertical and horizontal wall type high-pressure rotary jet grouting pile bodies 41 are arranged at the bottom of the sheet pile structure 2 and face the sea side; the sheet pile structure 2 is tightly attached to the sheet pile structure 2 by adopting a row of high-pressure rotary spraying pile bodies 41 which are arranged in a wall type towards the bottom of the sea side, and a plurality of high-pressure rotary spraying pile bodies 41 which are vertical to the axis of the sheet pile structure 2 are arranged in a wall type at the bottom of the sheet pile structure 2 towards the sea side so as to provide enough passive soil pressure for the sheet pile structure 2; the top elevation of the high-pressure rotary jet grouting pile body 41 is a harbor basin excavation line, and the bottom elevation needs to be located at a certain depth below the bottom elevation of the undisturbed peat soil 7, so that the embedding depth requirement is met, and the stability of the high-pressure rotary jet grouting pile body 41 is guaranteed; the sea side boundary of the high-pressure jet grouting pile processing area 4 is required to be positioned outside the intersection point of the passive fracture surface of the soil body in front of the sheet pile structure 2 and the harbor basin excavation line; the replacement rate of the high-pressure jet grouting pile treatment area 4 is determined by the bearing capacity and the slope stability of the sheet pile structure 2. Because the construction equipment of high pressure jet grouting pile body 41 is simple, light in weight, the sheet pile structure 2 adopts high pressure jet grouting pile body 41 towards the sea side region, and the construction on water is carried out without special ship equipment, and the simple temporary platform of accessible can be under construction, and construction cost is lower, and construction organization is convenient.
The land area forming area 5 comprises a cement mixing pile processing area 51, backfill 54 and pavement 55, wherein the cement mixing pile processing area 51 is arranged at the bottom of the land area forming area 5, the backfill 54 is filled from the upper part of the cement mixing pile processing area 51, and concrete is laid on the top of the backfill 54 to form the pavement 55. The backfill 54 can be made of inert materials such as sand and stone and processed by vibroflotation or layered rolling.
The cement mixing pile treatment area 51 includes a wall mixing pile treatment area 52 and a pile mixing pile treatment area 53. The wall type mixing pile processing area 52 comprises cement mixing pile bodies 56 and undisturbed peat soil 7, wherein the cement mixing pile bodies 56 are mutually lapped and are arranged in the wall type mixing pile processing area 52 in a wall type, and a plurality of longitudinal and transverse wall type cement mixing pile bodies 56 are arranged behind the sheet pile structure 2 in a clinging mode and face to the land side. The shear strength of the horizontal wall type cement mixing pile body 56 is high, the active soil pressure acting on the sheet pile structure 2 can be effectively reduced, and meanwhile, the slope stability is ensured. Pile formula stirring stake processing area 53 includes cement stirring pile body 56 and original state peat soil 7, cement stirring pile body 56 becomes the homodisperse and arranges in pile formula stirring stake processing area 53, sets up the rear in wall type stirring stake processing area 52 towards the land side, can improve the ground bearing capacity in land area formation district 5, reduces total settlement and differential settlement after the construction. The top elevation of the cement mixing pile body 56 is the elevation of the construction working surface of the rear land area, and the bottom elevation needs to be positioned at a certain depth below the bottom elevation of the original peat soil 7 so as to ensure the vertical bearing capacity and self stability of the cement mixing pile body 56; the boundary of the wall type mixing pile processing area 52 facing the land side needs to be positioned outside the intersection point of the active fracture surface of the soil body behind the sheet pile structure 2 and the top elevation of the cement mixing pile body 56; the replacement rate of the wall-type mixing pile treatment area 52 and the pile-type mixing pile treatment area 53 is determined by the bearing capacity of the sheet pile structure 2, the slope stability, the settlement control requirement and the like.
Referring to fig. 1 and 2, the high pile platform 6 comprises a pile foundation structure 1 and a wharf superstructure 3, wherein the pile foundation structure 1 penetrates through a soft peat soil foundation and enters a better bearing stratum 8 below the peat soil, and the wharf superstructure 3 is erected above the pile foundation structure 1 and smoothly connected with a pavement 55. The pile foundation structure 1 comprises at least one pair of fork piles 12 and a plurality of straight piles 11, the fork piles 12 penetrate through a soft peat soil foundation in an inclined mode and enter a better bearing layer 8 below the peat soil, and the fork piles 12 can improve the horizontal force resisting capability of the wharf superstructure 3; the vertical piles 11 vertically penetrate through the soft peat soil foundation and enter the better bearing layer 8 below the peat soil, and the vertical piles 11 mainly bear the vertical load of the wharf superstructure 3. The forked piles 12 can be steel pipe piles or PHC piles, and the vertical piles 11 can be steel pipe piles, PHC piles or cast-in-place piles; pile foundation structure 1 is connected with pier superstructure 3 through pile core concrete, forms high pile platform 6 structure, can provide the horizontal support for sheet pile structure 2, need not additionally to set up pull rod anchorage system, reduces engineering cost. The parameters such as the number, the slope, the diameter and the like of the forked piles 12 are mainly determined by the horizontal soil pressure borne by the sheet pile structure 2, and the parameters such as the number, the diameter, the position and the like of the vertical piles 11 are mainly determined by the width of the high pile platform 6 and the vertical load of the wharf superstructure 3.
The wharf superstructure 3 is in an orthogonal concrete beam plate structure form and comprises hat beams 31, longitudinal beams 33, cross beams 32 and panels 34, the longitudinal beams 33 and the cross beams 32 are arranged on the pile foundation structure 1 in a criss-cross mode, the panels 34 are horizontally erected on the longitudinal beams 33 and the cross beams 32, the hat beams 31 are arranged at the top of the sheet pile structure 2 and connected with the cross beams 32 and the panels 34, and the top of the sheet pile structure 2 is connected with the wharf superstructure 3 through cast-in-place concrete hat beams 31; the topside of the wharf superstructure 3 facing the sea side is also provided with fenders 35 and mooring bollards 36 to provide mooring and mooring functions for the vessel.
Referring to fig. 1, 6 below of high pile platform is harbor basin excavation line, and harbor basin excavation line is the downhill path form towards the sea side, and the slope is the nature steady slope in 7 regional excavation slopes of original state peat soil, spouts a treatment area 4 excavation slopes soon at high pressure and can adopt 1: 2.5-1: 5. the harbor basin excavation line can effectively reduce the cantilever height of the sheet pile structure 2, reduce the structural stress and the component size thereof, and simultaneously reduce the width of the high pile platform 6.
Taking the cement mixing pile body top elevation +1.0 as an example, the construction steps of the utility model are as follows:
1) constructing a pile foundation structure and a sheet pile structure, and taking pile clamping measures;
2) constructing a high-pressure rotary jet pile body of a wall type high-pressure rotary jet pile processing area in front of the sheet pile structure;
3) constructing pile core concrete of fork piles and straight piles of the pile foundation structure;
4) constructing cap beams and cross beams, forming a high pile platform frame together with the pile foundation structure, and providing horizontal support for the sheet pile structure;
5) after the high-pressure rotary jet grouting pile body in the wall type high-pressure rotary jet grouting pile processing area reaches the strength required by design, backfilling sand behind the sheet pile structure to the elevation of +1.0 m;
6) lowering water to the elevation of the original mud surface at the rear part of the sheet pile structure to form negative pressure and provide a dry construction environment for foundation treatment;
7) constructing a cement mixing pile body of a wall type mixing pile processing area behind the sheet pile structure on land;
8) after the cement mixing pile body of the wall type mixing pile processing area reaches the strength required by design, constructing the cement mixing pile body of the pile type mixing pile processing area behind the cement mixing pile body;
9) excavating a harbor basin to a harbor basin excavation line after a cement mixing pile body in the pile type mixing pile treatment area reaches the strength required by design;
10) constructing longitudinal beams and panels to form a wharf superstructure;
11) locally excavating a land forming area behind the sheet pile structure, constructing geotextile and mixing and inverted filtering;
12) backfilling sand/stone to the designed top elevation, adopting vibroflotation or layered rolling, and then constructing pavement;
13) and the wharf auxiliary facilities such as a fender, a mooring post and the like are arranged on the wharf upper structure to form a sheet pile shore-connected high-pile wharf structure suitable for a deep soft peat soil foundation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a sheet pile meets bank formula high pile wharf structure suitable for soft base of dark thick peat matter soil, sets up on the soft base of dark thick peat matter soil its characterized in that: including high pile platform, high pressure jet grouting pile treatment area, sheet pile structure and land territory formation district, high pile platform sets up at pier front line rear, the sheet pile structure sets up at high pile platform rear, as the shore structure that connects of pier, high pressure jet grouting pile treatment area sets up in sheet pile structure bottom towards the sea side, land territory formation district sets up at sheet pile structure rear towards the land side.
2. The sheet pile shore-connected high pile wharf structure suitable for the deep soft peat soil foundation according to claim 1, wherein: the sheet pile structure further comprises steel sheet piles, and the steel sheet piles are closely arranged in a wall type arrangement in a direction parallel to the front edge line of the wharf.
3. The sheet pile shore-connected high pile wharf structure suitable for the deep soft peat soil foundation according to claim 1, wherein: the high-pressure jet grouting pile processing area comprises a high-pressure jet grouting pile body and original peat soil, the high-pressure jet grouting pile bodies are mutually overlapped and arranged in the high-pressure jet grouting pile processing area in a wall type, and a plurality of longitudinal and transverse wall type high-pressure jet grouting pile bodies are arranged at the bottom of the sheet pile structure and face the sea side.
4. The sheet pile shore-connected high pile wharf structure suitable for the deep soft peat soil foundation according to claim 1, wherein: the land area forming area comprises a cement mixing pile processing area, backfill and a pavement, the cement mixing pile processing area is arranged at the bottom of the land area forming area, the backfill is filled and pressed from the upper part of the cement mixing pile processing area, and concrete is paved at the top of the backfill to form the pavement.
5. The sheet pile shore-connected high pile wharf structure suitable for the deep soft peat soil foundation according to claim 4, wherein: the cement mixing pile processing area comprises a wall type mixing pile processing area and a pile type mixing pile processing area, the wall type mixing pile processing area comprises a cement mixing pile body and original state peat soil, the cement mixing pile body is mutually overlapped, and the wall type mixing pile processing area is arranged in the wall type mixing pile processing area in a wall type, so that a plurality of longitudinal and transverse wall type cement mixing pile bodies are tightly attached to the rear of the sheet pile structure and face the land side.
6. The sheet pile shore-connected high pile wharf structure suitable for the deep soft peat soil foundation according to claim 5, wherein: pile formula stirring stake processing area includes cement stirring pile body and original state peat soil, the cement stirring pile body becomes homodisperse in pile formula stirring stake processing area and arranges, sets up the rear orientation land side in wall type stirring stake processing area.
7. The sheet pile shore-connected high pile wharf structure suitable for the deep soft peat soil foundation according to claim 1, wherein: high pile platform includes pile foundation structure and pier superstructure, the pile foundation structure pierces through the soft base of peat matter soil to in the better holding power layer in the income peat matter soil below, pier superstructure erects in pile foundation structure top, and with the smooth-going connection of shop front.
8. The sheet pile shore-connected high pile wharf structure suitable for the deep soft peat soil foundation according to claim 7, wherein: the pile foundation structure includes at least a pair of fork stake and a plurality of straight stake, the slope of fork stake pierces through the soft base of peat matter soil to in the better holding power layer in peat matter soil below, straight stake pierces through the soft base of peat matter soil perpendicularly to in the better holding power layer in peat matter soil below.
9. The sheet pile shore-connected high pile wharf structure suitable for the deep soft peat soil foundation according to claim 7, wherein: pier superstructure adopts quadrature concrete beam slab structural style, including cap beam, longeron, crossbeam, panel, longeron and crossbeam become vertically and horizontally staggered and set up structural at the pile foundation, the panel level erects on longeron and crossbeam, the cap beam sets up at sheet pile structure top, is connected with crossbeam and panel.
10. The sheet pile shore-connected high pile wharf structure suitable for the deep soft peat soil foundation according to claim 1, wherein: high stake platform below is harbor basin excavation line, and harbor basin excavation line is the downhill path form towards the sea side, and the slope is the nature stability slope in the regional excavation slope of original state peat soil, spouts a treatment area excavation slope can adopt 1 at high pressure soon: 2.5-1: 5.
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| CN113585168A (en) * | 2021-08-20 | 2021-11-02 | 中交第四航务工程勘察设计院有限公司 | Sheet pile shore-connection type high-pile wharf structure suitable for deep peat soil soft foundation and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113585168A (en) * | 2021-08-20 | 2021-11-02 | 中交第四航务工程勘察设计院有限公司 | Sheet pile shore-connection type high-pile wharf structure suitable for deep peat soil soft foundation and construction method |
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