CN221399092U - Precast pile plate type retaining structure - Google Patents

Abstract

The utility model discloses a precast pile plate type retaining structure. The support structure is characterized in that the prefabricated middle wall pile, the prefabricated end wall pile, the prefabricated middle rib pile, the prefabricated end rib pile and the prefabricated retaining plate are connected through the first spigot-and-socket tooth, the second spigot-and-socket tooth, the first spigot-and-socket groove and the second spigot-and-socket groove to form a support structure system with good integral bending resistance. The pile plate type retaining structure is prefabricated in a factory, is not influenced by the field construction environment, and is uniform and controllable in product quality and rapid and convenient to install. The flexible application of the supporting structure along the longitudinal, transverse and vertical expansion can be realized through the connection of the first spigot-and-socket, the second spigot-and-socket and the connection of the first spigot-and-socket and the second spigot-and-socket and the welding of the pre-buried pile splicing steel plates. Through increasing the design of prefabricated middle rib sheet pile, prefabricated tip rib sheet pile, very big increase whole bending resistance, extended the application scope of this type of fender structure.

Description

Precast pile plate type retaining structure

Technical Field

The utility model relates to the technical field of retaining wall support, foundation pit support and the like related to rock-soil support.

Background

With the development of engineering construction, various types of retaining structures are widely used. Pile-plate type retaining structures are often used in slope treatment and soil foundation retaining wall treatment. Most of the current pile plate type retaining structures are cast-in-situ pile foundations or prefabricated round piles or rectangular piles in design and construction. The defects of pile plate type retaining walls in practical application are also increasingly prominent: firstly, when the current pile plate type retaining structure adopts a cast-in-situ pile foundation, the construction speed is low, the period is long, and the quality is difficult to guarantee; secondly, most pile foundations of the current pile plate type retaining structure are single-row piles, and because the bending moment of inertia of the single-row piles is small, accidents of integral overturning occur occasionally, and when a plurality of rows of piles are adopted, the construction cost is high, and the effect is not obvious; and in some special cases, when an anchor rod or an anchor cable is not arranged under the condition behind the retaining structure, the height of the retaining structure can be severely restricted, so that the applicability of the retaining structure is greatly reduced.

The pile plate type retaining structure has no foundation slab, the excavation of the foundation of the retaining structure can be avoided during construction, a large amount of earthworks can be obviously reduced, and the advantages are outstanding. How to overcome the defect of poor bending resistance of the structure and expand the application range of the structure is a problem to be solved urgently at present.

Disclosure of utility model

Based on the research on the defects of the current pile plate type retaining structure, the precast pile plate type retaining structure which has stable quality, convenient construction and obviously enhanced bending resistance is provided, and the application range of the precast pile plate type retaining structure can be greatly increased.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

A precast pile plate type retaining structure is characterized in that a first spigot-and-socket tooth, a second spigot-and-socket tooth, a first spigot-and-socket groove and a second spigot-and-socket groove are used for connecting a precast middle wall pile, a precast end wall pile, a precast middle rib pile, a precast end rib pile and a precast retaining plate to form a retaining structure system with good integral bending resistance.

Further, the prefabricated middle wall piles are respectively provided with one socket slot on two sides in a through length mode, and the back faces of the prefabricated middle wall piles are provided with one socket tooth; the inner side of the prefabricated end wall pile is provided with one socket slot one by one, and the back is provided with one socket tooth one by one.

Further, two ends of the prefabricated middle rib sheet pile are respectively provided with a second socket through length; the prefabricated end rib sheet pile is provided with socket teeth at one end in a through length mode.

Further, pile connecting steel plates or pile tips are pre-buried at the pile two ends of the prefabricated middle wall pile, the prefabricated end wall pile, the prefabricated middle rib pile and the prefabricated end rib pile.

Further, the vertical extension of the pile body can be realized through the pre-buried pile extension steel plate in the middle of the prefabrication, prefabrication end wall pile, prefabrication middle rib sheet pile and prefabrication end rib sheet pile.

Further, two sides of the prefabricated soil retaining plate are provided with two spigot-and-socket teeth respectively.

Further, the prefabricated middle wall pile and the prefabricated end wall pile are connected with the prefabricated middle rib pile socket II through the socket tooth I, the prefabricated end rib pile is connected with the prefabricated middle rib pile socket II through the socket tooth I, and the gaps in the connecting sockets can be fixedly connected by grouting or are connected in a hinging mode without grouting.

Further, the outer side of the spigot-and-socket tooth I and the inner side of the spigot-and-socket groove II are wrapped by steel plates.

Further, the prefabricated soil retaining plates can be reserved with water drain holes, and horizontal gaps among the plates can be plugged by waterproof mortar.

The beneficial effects of the utility model are as follows:

1. The pile plate type retaining structure is transported to the site after the factory is manufactured, the components do not need to be manufactured on the construction site, the quality of the structure is not influenced by the site construction environment, the quality of products is controllable, and the construction period is greatly shortened.

2. The pile plate type retaining structure is all in modularized design and assembled, so that the construction is convenient, and the structural adaptability is expanded.

3. The pile plate type retaining structure increases the design of the spliced rib sheet piles, greatly increases the overall bending resistance, expands the application range of the retaining structure, can be higher in structure, and can be reasonably applied under the working condition that an anchor rod or an anchor cable cannot be arranged.

4. The pile plate type retaining structure is applicable to a plurality of scenes, the longitudinal wall surface can be lengthened in multiple spans, the transverse rib plates can be enlarged as required, the vertical rib plates can be spliced and heightened, and the combination is flexible.

5. The pile plate type retaining structure is convenient to detach, and the prefabricated wall pile (comprising the prefabricated middle wall pile and the prefabricated end wall pile) is connected with the connecting gap of the socket II of the prefabricated rib pile and the connecting gap of the socket II of the prefabricated middle rib pile and the socket II of the prefabricated end rib pile, and can be connected in a hinging mode when grouting is not carried out, and can be plugged and recycled.

Drawings

FIG. 1 is a plan view of a precast pile plate type retaining structure of the present utility model.

Fig. 2 is a front elevation view of the precast pile plate type retaining structure of the present utility model.

FIG. 3 is a side elevation view of the precast pile panel type retaining structure of the present utility model.

FIG. 4 is a cross-sectional view of a prefabricated end wall pile of the prefabricated pile panel retaining structure of the present utility model.

FIG. 5 is a cross-sectional view of a prefabricated middle wall pile of the prefabricated pile plate type retaining structure of the utility model.

FIG. 6 is a cross-sectional view of a precast end rib pile of the precast pile plank retaining structure of the present utility model.

FIG. 7 is a cross-sectional view of a prefabricated middle rib plate pile of the prefabricated pile plate type retaining structure of the present utility model.

FIG. 8 is a cross-sectional view of a prefabricated soil guard plate of the precast pile plate type retaining structure of the present utility model.

In the figure: 1-prefabricated end wall pile, 2-prefabricated middle wall pile, 3-prefabricated end rib pile, 4-prefabricated middle rib pile, 5-prefabricated soil retaining plate, 6-pre-buried pile splicing steel plate, 7-prefabricated pile tip, 8-socket I, 9-socket I, 10-socket II and 11-socket II.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The structures, proportions, sizes, etc. shown in the drawings attached to the present specification are used only in conjunction with the disclosure of the present specification, and any structural modification, change in proportion, or adjustment of size should still fall within the scope of the disclosure of the present utility model without affecting the efficacy and achievement of the present utility model. Meanwhile, the terms such as "longitudinal" and "vertical" are used in the present specification for convenience of description, and are not intended to limit the scope of the present utility model, but rather to be construed as the scope of the present utility model without any substantial modification of the technical content.

As shown in fig. 1 to 4, the pile plate type retaining structure is positioned by a prefabricated middle wall pile 2 carrying a prefabricated pile tip 7 in advance through static pressure or a mode of driving foundation soil. The prefabricated middle wall pile 2 can be vertically lengthened through the pre-buried pile extension steel plate 6. The prefabricated middle wall pile 2 can be longitudinally arranged at a plurality of positions along the wall surface, and the distance between the prefabricated middle wall piles 2 meets the distance requirement for arranging the prefabricated soil retaining plates 5.

As shown in fig. 1-4, the pile plate type retaining structure is used for sealing the end of the wall surface by the prefabricated end wall pile 1 carrying the prefabricated pile tip 7. Similarly, the prefabricated end wall pile 1 can be vertically lengthened through the embedded pile extension steel plate 6, and the distance between the prefabricated end wall pile 1 and the adjacent prefabricated middle wall pile 2 meets the distance requirement for arranging the prefabricated soil retaining plate 5.

As shown in fig. 1-4, the pile plate type retaining structure is formed by sleeving a socket II of a prefabricated middle rib pile 4 carrying a prefabricated pile tip 7 with a socket tooth I of a prefabricated end wall pile 1 or a socket tooth I of a prefabricated middle wall pile 2 and then static pressure or driving foundation soil. Similarly, the prefabricated middle rib sheet pile 4 can be vertically lengthened through the pre-buried pile extension steel plate 6.

As shown in fig. 1-4, the pile plate type retaining structure is formed by carrying a spigot-and-socket two-phase bearing tooth of a prefabricated end rib pile 3 with a prefabricated pile tip 7 and a spigot-and-socket two-phase bearing socket of a prefabricated middle rib pile 4 and then static-pressure or driving foundation soil. Similarly, the prefabricated end rib sheet pile 3 can be vertically lengthened through the embedded pile extension steel plate 6.

As shown in fig. 1 to 4, the prefabricated middle wall pile 2 and the prefabricated end wall pile 1 of the pile plate type retaining structure can be connected in a grouting consolidation or non-grouting hinging mode through the connection gap between the socket tooth I and the socket groove II of the prefabricated middle rib pile and the connection gap between the prefabricated end rib pile 3 and the socket groove II of the prefabricated middle rib pile 4.

As shown in fig. 1 to 4, the prefabricated retaining plate 5 of the pile plate type retaining structure is hoisted and installed in a first socket slot between the prefabricated end wall pile 1 and the prefabricated middle wall pile 2 or a first socket slot between two prefabricated middle wall piles 2. And gradually installing the foundation pit or the side slope from top to bottom along with the excavation of earthwork.

As shown in figures 1-4, the prefabricated soil retaining plates 5 of the pile plate type retaining structure can be reserved with water drain holes, and horizontal gaps among the plates can be blocked by waterproof mortar.

The above embodiments are merely advantageous, characteristic and basic principle of the present utility model, it should be understood that the present utility model is not limited to the above embodiments, and that new variations and modifications may be made without departing from the scope of the present utility model.

The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.

Claims (6)

1. A precast pile plate type retaining structure is characterized in that: the prefabricated middle wall pile, the prefabricated end wall pile, the prefabricated middle rib sheet pile, the prefabricated end rib sheet pile and the prefabricated retaining plate are connected through the first spigot-and-socket tooth, the second spigot-and-socket tooth and the first spigot-and-socket groove.

2. A precast pile plate type retaining structure according to claim 1, characterized in that: the prefabricated middle wall pile, the prefabricated end wall pile, the prefabricated middle rib sheet pile and the prefabricated end rib sheet pile can realize vertical extension of the pile body through the embedded pile extension steel plate.

3. A precast pile plate type retaining structure according to claim 1, characterized in that: the prefabricated middle wall pile, the prefabricated end wall pile, the prefabricated middle rib pile and the prefabricated end rib pile are connected through the socket tooth I and the socket groove II.

4. A precast pile plate type retaining structure according to claim 1, characterized in that: the prefabricated middle wall pile, the prefabricated end wall pile and the prefabricated soil retaining plate can be connected through the socket tooth II and the socket groove I.

5. A precast pile plate type retaining structure according to claim 1, characterized in that: the outer side of the spigot-and-socket joint and the inner side of the spigot-and-socket joint are wrapped by steel plates.

6. A precast pile plate type retaining structure according to claim 1, characterized in that: the prefabricated soil retaining plates are reserved with water drain holes, and horizontal gaps among the plates are plugged by waterproof mortar.