CN211228348U

CN211228348U - Combined sheet pile structure with drainage channel

Info

Publication number: CN211228348U
Application number: CN201921074930.6U
Authority: CN
Inventors: 唐云; 卢永昌; 麦宇雄; 覃杰; 刘堃; 刘洋; 黄伟; 陈波
Original assignee: CCCC FHDI Engineering Co Ltd
Current assignee: CCCC FHDI Engineering Co Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-08-11
Anticipated expiration: 2029-07-10

Abstract

The utility model relates to a combined sheet pile structure with a drainage channel, which comprises a sheet pile wall, a breast wall, an anchorage structure or a bracing pile arranged on the sea side, wherein the front edge of the structure is the sheet pile wall, a cast-in-place reinforced concrete breast wall is arranged above the sheet pile wall, the anchorage structure is arranged on the rear side of the land side of the sheet pile wall or the bracing pile is arranged on the sea side, a drainage seam is arranged between the top of the sheet pile wall and the bottom of the breast wall, a reverse filtering structure is arranged behind the drainage seam, the residual water head at the rear part of the sheet pile wall can be effectively discharged through the drainage seam, the residual water pressure borne by the sheet pile wall is greatly reduced, the problems that the drainage holes of the traditional sheet pile wharf arranged on the breast wall or the sheet pile wall are poor in drainage effect and easy to block by marine attached organisms due to small aperture and large space are solved, therefore, the steel or concrete consumption of the components such as the sheet pile wall, the anchoring structure, the pull rod, the inclined strut pile and the like can be saved, and the economic benefit is remarkable.

Description

Combined sheet pile structure with drainage channel

Technical Field

The utility model relates to a harbour and pier, dock and shore protection (seawall) field, concretely relates to combination sheet pile structure with drainage channel.

Background

For a conventional sheet pile wharf or a revetment (sea wall) adopting a sheet pile structure, in order to timely remove residual water head behind a sheet pile wall, drain holes are usually arranged in the sheet pile wall or a breast wall, wherein the hole diameter is 5-15cm, and the distance is 2-5 m. The drainage holes are small in hole diameter and large in distance, the drainage effect is poor, and the drainage holes are easy to be blocked by adhesion of marine organisms, so that the drainage effect is poorer, the residual water pressure required to be considered during structural design is greatly increased, the consumption of steel or concrete of members such as a sheet pile wall, an anchoring structure (or an inclined strut pile), a pull rod and the like is increased, and the engineering cost of a wharf or a revetment (seawall) is increased. Therefore, it is urgently needed to develop a novel sheet pile structure which can solve the above problems and has a reliable and efficient drainage channel.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to the shortcoming that current pier or revetment (sea wall) conventional wall body drainage structures who adopts sheet pile structure exist, provide one kind can be fast, effectively get rid of remaining flood peak behind the sheet pile wall to the difficult novel drainage structures who is blockked up by marine periphyton, and easy to carry out, do not increase the engineering investment, make its drainage behind the fully applicable sheet pile wall that can fully be applicable to.

In order to solve the above technical problem, the utility model discloses a realize through following technical scheme:

the utility model provides a combination sheet pile structure with drainage channel, sets up the bearing diagonal stake including sheet pile wall, breast wall, anchorage structure or sea side, and the structure forward position is sheet pile wall, sheet pile wall top is cast-in-place reinforced concrete breast wall, sheet pile wall land side rear sets up anchorage structure or sea side and sets up bearing diagonal stake, its characterized in that: and a drainage seam is arranged between the top of the sheet pile wall and the bottom of the breast wall, and a reverse filtering structure is arranged behind the drainage seam.

Preferably, the sheet pile wall is a combined sheet pile formed by main piles and auxiliary piles, the main piles have stress and soil-retaining functions, steel pipe piles, H-shaped steel or other types of pile foundations can be adopted, the auxiliary piles are arranged between adjacent main piles and only have soil-retaining functions, and Z-shaped steel sheet piles, U-shaped steel sheet piles or other types of sheet piles can be adopted.

Preferably, a cast-in-place reinforced concrete breast wall is arranged above the sheet pile wall, and a drainage seam is arranged between the top of the auxiliary pile of the sheet pile wall and the breast wall; the height of the drainage seam can be 5-30cm, and the length of a single drainage seam along the front line of the structure can be 30-200cm according to the size of the auxiliary pile.

Preferably, an inverted filter structure is arranged behind the drainage seam, the inverted filter structure can be a broken stone inverted filter bag or a mixed inverted filter structure consisting of block stones, two pieces of stones, broken stones, geotextile and the like, and the length of the inverted filter structure along the front edge line direction of the structure is not less than that of the drainage seam.

Preferably, the back of the sheet pile wall is undisturbed foundation soil or backfill, and the backfill can be sand, broken stone, rock block, plain fill, building spoil or other backfill.

Preferably, the anchorage structure can be an anchorage sheet pile, an anchorage wall or an anchorage pile, the anchorage sheet pile can be a steel sheet pile, a steel pipe combined sheet pile, a prefabricated concrete sheet pile or a cast-in-place diaphragm wall, the anchorage wall can be a cast-in-place concrete wall or a prefabricated installation concrete wall, the anchorage pile can be a steel pipe pile or a concrete pile, and the sheet pile wall and the rear anchorage structure are connected into a whole through a pull rod; the inclined strut pile can be a steel pipe pile or a concrete pile, and the inclined strut pile and the sheet pile wall are connected into a whole through the breast wall.

Implement the utility model relates to a combination sheet pile structure with drainage channel has following beneficial effect:

compared with the prior art, the utility model discloses an innovative design has solved sheet pile pier or the conventional wash port drainage effect of shore protection poor, and easily by the problem of marine adhesion thing jam, has effectively reduced remaining water pressure behind the wall to saved the steel or the concrete use amount of components such as sheet pile wall, anchoring structure (or bracing stake), pull rod, had higher spreading value and economic benefits.

Drawings

The present invention will be further explained with reference to the accompanying drawings;

FIG. 1 is a schematic cross-sectional view of the structure of this patent;

FIG. 2 is a partial elevational view of the first embodiment of the present invention;

FIG. 3 is a partial elevational view of the second embodiment of the present invention;

in the figure, 1 is a main pile, 2 is an auxiliary pile, 3 is a breast wall, 4 is a drainage seam, 5 is a reversed filter structure, 6 is an anchorage structure, 7 is a pull rod, 8 is backfill, 9 is foundation soil, 10 is a wharf or revetment top surface, 11 is a surface layer structure, and 12 is a mud surface in front of the wall.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-3: a combined sheet pile structure with a drainage channel comprises a main pile 1, an auxiliary pile 2, a breast wall 3, a drainage seam 4, a reversed filter structure 5, an anchorage structure 6, a pull rod 7, backfill 8, foundation soil 9, a wharf or revetment top surface 10, a surface layer structure 11 and a mud surface 12 in front of a wall.

The utility model provides a combination sheet pile structure with drainage channel, the structure forward position is sheet pile wall, the sheet pile wall is the combination sheet pile that king pile and auxiliary pile constitute, and sheet pile wall top is cast-in-place reinforced concrete breast wall, and sheet pile wall land side rear sets up anchorage structure or sea side sets up the bearing diagonal stake, and the pull rod will sheet pile wall with anchorage structural connection is whole or the breast wall will sheet pile wall with the bearing diagonal stake is connected as whole, sheet pile wall auxiliary pile top with be provided with the drainage seam between the breast wall bottom for get rid of remaining flood peak behind the sheet pile wall, the drainage seam rear is provided with the back filter structure.

The sheet pile wall is a combined sheet pile of a main pile and an auxiliary pile; the main pile plays a role in bearing and retaining soil, and can adopt a steel pipe pile, H-shaped steel or other types of pile foundations; the auxiliary piles are arranged between the adjacent main piles, only play a role of soil retaining, and can adopt Z-shaped steel sheet piles, U-shaped steel sheet piles or other types of sheet piles.

The cast-in-place reinforced concrete breast wall is arranged above the sheet pile wall, a drainage seam is arranged between the top of an auxiliary pile of the sheet pile wall and the breast wall, the drainage seam can be formed by enabling the elevation of the top of the auxiliary pile to be 5-30cm lower than the bottom elevation of the breast wall when an auxiliary pile is driven, or the top of the auxiliary pile can be partially cut off after the auxiliary pile is driven to form a groove, the top surface of the groove is 5-30cm lower than the bottom surface of the breast wall to form a drainage seam, the rest parts on the two sides of the groove still extend into the breast wall, and the length of a single drainage seam along the front edge line direction of the structure can be usually set to be 30-200cm according to the size of the.

An inverted filter structure is arranged behind the drainage seam; the inverted filter structure can be a broken stone inverted filter bag or a mixed inverted filter structure consisting of block stones, two pieces of stones, broken stones, geotextile and the like.

The anchorage structure can be an anchorage sheet pile, an anchorage wall or an anchorage pile, the anchorage sheet pile can be a steel sheet pile, a steel pipe combined sheet pile, a prefabricated concrete sheet pile or a cast-in-place diaphragm wall, the anchorage wall can be a cast-in-place concrete wall or a prefabricated installation concrete wall, and the anchorage pile can be a steel pipe pile or a concrete pile; the sheet pile wall and the rear anchorage structure are connected into a whole through a pull rod; the inclined strut pile can be a steel pipe pile or a concrete pile; the breast wall connects the inclined supporting pile and the sheet pile wall into a whole.

The embodiments of the present invention have been described above with reference to the accompanying drawings, which are only preferred embodiments of the present invention, but not limiting the scope of the present invention, i.e. all equivalent variations and modifications made according to the scope of the present invention should still fall within the scope of the present invention.

Claims

1. The utility model provides a combination sheet pile structure with drainage channel, sets up the bearing diagonal stake including sheet pile wall, breast wall, anchorage structure or sea side, and the structure forward position is sheet pile wall, sheet pile wall top is cast-in-place reinforced concrete breast wall, sheet pile wall land side rear sets up anchorage structure or sea side and sets up bearing diagonal stake, its characterized in that: and a drainage seam is arranged between the top of the sheet pile wall and the bottom of the breast wall, and a reverse filtering structure is arranged behind the drainage seam.

2. A composite sheet pile structure with a drainage passage according to claim 1, wherein: the sheet pile wall is a combined sheet pile formed by main piles and auxiliary piles, the main piles play a role in stress and soil retaining, steel pipe piles and H-shaped steel are adopted, the auxiliary piles are arranged between adjacent main piles and only play a role in soil retaining, and Z-shaped steel sheet piles and U-shaped steel sheet piles are adopted.

3. A composite sheet pile structure with a drainage passage according to claim 2, wherein: the height of the drainage seam is 5-30cm, and the length of the single drainage seam along the front edge line direction of the structure is set to be 30-200cm according to the size of the auxiliary pile.

4. A composite sheet pile structure with a drainage passage according to claim 1, wherein: the drainage seam rear sets up the inverted filter structure, and the inverted filter structure is the rubble package of straining.

5. A composite sheet pile structure with a drainage passage according to claim 1, wherein: the back of the sheet pile wall is undisturbed foundation soil or backfill, and the backfill is sand, crushed stone, rock block, plain filling soil or building waste soil.

6. A composite sheet pile structure with a drainage passage according to claim 1, wherein: the anchoring structure is an anchoring sheet pile, an anchoring wall or an anchoring pile, the anchoring sheet pile is a steel sheet pile, a steel pipe combined sheet pile, a prefabricated concrete sheet pile or a cast-in-place diaphragm wall, the anchoring wall is a cast-in-place concrete wall or a prefabricated installation concrete wall, the anchoring pile is a steel pipe pile or a concrete pile, the sheet pile wall and the anchoring structure are connected into a whole through a pull rod, the diagonal bracing pile is a steel pipe pile or a concrete pile, and the breast wall connects the diagonal bracing pile and the sheet pile wall into a whole.