CN209837092U - Precast panel structure system before row's stake retaining wall stake - Google Patents

Abstract

The utility model relates to a precast panel structure system before campshed retaining wall stake, including prefabricated panel and cast-in-place concrete layer, cast-in-place concrete layer is located between prefabricated panel and the campshed, and cast-in-place concrete layer forms before whole being fixed in the campshed with prefabricated panel, is equipped with the reinforcing bar net among the cast-in-place concrete layer, and before the reinforcing bar net was fixed in the campshed through campshed bar and stock, prefabricated panel was fixed in the reinforcing bar net through pre-buried connecting reinforcement on the net, and prefabricated panel is assembled from bottom to top and is fixed in the reinforcing bar net. The utility model discloses a precast panel structure system before the stake, the campshed can hide behind the panel perfectly, presents better view effect, adopts precast concrete panel and cast-in-place concrete layer to combine to overcome the problem of cast-in-place concrete panel fracture, unevenness effectively, has solved the easy corrosion's of precast panel fixed reinforcement problem simultaneously, and structural component is simple, construction convenience, safe and reliable, expense economy, and the facilitate promotion is used.

Description

Precast panel structure system before row's stake retaining wall stake

Technical Field

The utility model belongs to the technical field of ground slope retaining engineering, especially, relate to a precast panel structure system before row's stake retaining wall stake.

Background

The row piles generally refer to foundation pit supporting structures arranged and formed in a certain arrangement mode, have the functions of retaining soil, intercepting water and preventing seepage, and are mostly temporary supporting structures. With the development of railways, highways, municipal roads and urban rail transit, retaining walls are often required to be arranged in extremely narrow places or between dense building groups and facilities, and the traditional gravity retaining walls, cantilever type retaining walls or buttress type retaining walls are limited in application range because the sections are large or construction can be carried out after special foundation pit supporting is required. The advantages of flexible arrangement form of the row piles, small construction site, capability of omitting foundation pit support and the like are utilized, and the row pile structure is used as a permanent retaining wall, which is undoubtedly a good choice.

However, if the row pile retaining wall adopts a cast-in-place concrete panel, the cast-in-place concrete panel is easy to crack and unsmooth, and the landscape effect is poor. Therefore, with the increasing emphasis on landscape problems in urban construction in China, it is necessary to provide an economical and attractive front panel structure of the row pile retaining wall pile, which improves the overall construction quality, to improve the defects of the existing row pile retaining wall.

Disclosure of Invention

Problem to prior art exists, the utility model provides a prefabricated panel structure system before row's stake retaining wall stake that prefabricated panel and cast in situ reinforced concrete combined together, through prefabricated panel structure system before row's stake retaining wall stake, row's stake can be more perfectly hide behind the panel, and row's stake barricade can present better view effect, and has improved whole construction quality.

The utility model discloses a realize like this, a precast panel structure system before campshed retaining wall stake, including prefabricated panel and cast-in-place concrete layer, cast-in-place concrete layer is located between prefabricated panel and the campshed, and cast-in-place concrete layer forms before whole being fixed in the campshed with prefabricated panel, be equipped with the reinforcing bar net among the cast-in-place concrete layer, before the reinforcing bar net is fixed in the campshed through campshed bar planting bar and stock, prefabricated panel is fixed in on the reinforcing bar net through pre-buried connecting reinforcement.

In the above technical solution, preferably, the prefabricated panel is formed by assembling a plurality of prefabricated panel units.

In the above technical solution, it is further preferable that four side surfaces of each prefabricated panel unit are mutually engaged structures, the engaged structures are mutually matched bosses and grooves, two adjacent prefabricated panel units are mutually limited by the engaged structures, and a sponge strip is arranged between the two prefabricated panel units.

In the above technical solution, it is further preferable that the left and right sides of each prefabricated panel unit are provided with a first drainage hole.

In the above technical solution, it is further preferable that the anchor rods are located in a soil layer between the row piles, a second drainage hole is formed between the row piles, the second drainage hole is vertically staggered with the anchor rods, a PVC drainage pipe is embedded in the second drainage hole, two layers of permeable geotextile are wrapped around the PVC drainage pipe, and the PVC drainage pipe penetrates through the cast-in-place concrete layer and is connected with the first drainage hole reserved in the prefabricated panel.

In the above technical scheme, preferably, the bottom of the prefabricated panel is provided with a base, the base is made of cast-in-place reinforced concrete, and the bottom of the prefabricated panel is embedded in the base.

In the above technical scheme, preferably, the joints of the reinforcing mesh and the embedded connecting bars, the anchor rods and the row pile planting bars are all provided with transverse and vertical reinforcing steel bars.

In the above technical scheme, preferably, the row pile planting bars are located at the center of the row pile.

The utility model has the advantages and positive effects that:

the utility model discloses a precast panel structure system before campshed retaining wall pile adopts precast concrete panel and cast-in-place concrete layer to combine, has effectively overcome cast-in-place concrete panel fracture, the problem of unevenness, has solved the easy corrosion of precast panel fixed reinforcement simultaneously; the row piles can be perfectly hidden behind the panel, and the row pile retaining wall can present a better landscape effect; the utility model discloses the structural component is simple, construction convenience, safe and reliable, expense economy, convenient to popularize and use.

Drawings

Fig. 1 is a schematic sectional structure view of a prefabricated panel structure system in front of a row pile retaining wall pile according to an embodiment of the present invention;

fig. 2 is a front view of a prefabricated panel unit provided by an embodiment of the present invention;

fig. 3 is a cross-sectional view of a prefabricated panel unit provided by an embodiment of the present invention;

fig. 4 is the anchor rod, the row of pile bar planting and the outlet location sketch map that the embodiment of the utility model provides.

In the figure:

1-prefabricated panel 2-anchor rod

3-piling bar planting 4-piling bar

5-reinforcing mesh 6-cast-in-place concrete layer

7-occlusion structure 7-1-boss

7-2-groove 8-embedded connecting steel bar

9-sponge strip 10-base

11-prefabricated panel reinforcing steel bar 12-water drainage hole one

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for the purpose of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 4, the embodiment provides a precast panel structure system before a row pile retaining wall pile, including a precast panel 1 and a cast-in-place concrete layer 6, where the cast-in-place concrete layer 6 is located between the precast panel 1 and the row pile 4, the cast-in-place concrete layer 6 and the precast panel 1 are integrally fixed in front of the row pile 4, a reinforcing mesh 5 is disposed in the cast-in-place concrete layer 6, the reinforcing mesh 5 is fixed in front of the row pile 4 through a row pile planting bar 3 and an anchor rod 2, and the precast panel 1 is fixed on the reinforcing mesh 5 through a pre-buried connecting bar 8.

The prefabricated panel 1 is formed by assembling a plurality of prefabricated panel units.

The prefabricated panel units are characterized in that the four side surfaces of each prefabricated panel unit are provided with mutual occlusion structures 7, each occlusion structure 7 is a boss 7-1 and a groove 7-2 which are matched with each other, every two adjacent prefabricated panel units are limited by the occlusion structures 7, and a sponge strip 9 is arranged between the two prefabricated panel units to prevent concrete from overflowing from a plate gap between the prefabricated panel units in the process of pouring the cast-in-place strip on the inner side.

And the left side and the right side of each prefabricated panel unit are respectively provided with a first drainage hole 12.

The anchor rod 2 is located in a soil layer between row piles 4, a second water outlet is arranged between the row piles 4, the second water outlet and the anchor rod 2 are staggered up and down, a PVC water drain pipe is embedded in the second water outlet, two layers of permeable geotextile are wrapped outside the PVC water drain pipe, and the PVC water drain pipe penetrates through a cast-in-place concrete layer 6 and is connected with a first water outlet 12 reserved on a prefabricated panel.

The bottom of the prefabricated panel 1 is provided with a base 10, the base 10 is made of cast-in-place reinforced concrete, and the bottom of the prefabricated panel 1 is embedded in the base 10.

And transverse and vertical reinforcing steel bars are arranged at the joints of the reinforcing mesh 5, the embedded connecting steel bars 8, the anchor rods 2 and the row pile planting bars 3. The reinforcing mesh 5 is connected with the pre-embedded connecting reinforcing steel bars 8 of the prefabricated panel forwards and is connected with the row pile planting reinforcing steel bars 3 and the anchor rods 2 backwards,

the row pile planting bar 3 is positioned at the center of the row pile 4.

The utility model discloses carry out according to following step during the construction:

firstly, prefabricating the reinforced concrete prefabricated panel 1 according to the requirement, wherein the construction prefabrication comprises an occlusion structure 7, a first drainage hole 12, pre-embedded connecting steel bars 8 and prefabricated panel steel bars 11, and the size of the panel is determined according to factors such as the pile spacing of a row pile retaining wall and the like.

Secondly, carrying out site leveling, foundation digging and reinforced concrete pouring before the pile arrangement, and carrying out construction of the panel base 10.

Thirdly, drilling, planting bars and grouting at the center of the row piles 4, constructing the row pile planting bars 3, determining the horizontal spacing of the row pile planting bars according to the spacing of the row pile retaining wall piles, and reasonably selecting the vertical spacing according to factors such as the size of a panel.

Fourthly, drilling, anchor rod implantation and grouting are carried out among the piles in rows 4, construction of the anchor rod 2 is carried out, the horizontal distance of the anchor rod is determined according to the distance between the piles in the rows of piles and the retaining wall, the vertical distance is reasonably selected according to factors such as the size of a panel, and the length and the inclination angle of the anchor rod are determined according to geological conditions.

Fifthly, manufacturing a reinforcing mesh 5 and fixing the reinforcing mesh on the anchor rod 2 and the row pile planting bars 3, wherein transverse and vertical reinforcing steel bars are arranged at the joints of the reinforcing mesh, the anchor rod and the row pile planting bars.

And sixthly, drilling a second water outlet, embedding a PVC water outlet pipe, and wrapping two layers of permeable geotextile outside the PVC water outlet pipe.

Seventhly, assemble prefabricated panel 1 from bottom to top to be fixed in the reinforcing bar net 5 with prefabricated panel through pre-buried connecting reinforcement 8 on, reinforcing bar net 5 sets up horizontal and vertical reinforcing bar with pre-buried connecting reinforcement 8 junction, and during the prefabricated panel assembly process, sponge strip 9 is pasted to seam crossing, prevents that inboard cast in situ concrete from overflowing from prefabricated panel board gap.

And eighthly, pouring concrete between the prefabricated panel 1 and the row piles 4, pouring once when each prefabricated panel is assembled into one layer, and vibrating the prefabricated panels tightly.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced, without departing from the scope of the technical solutions of the present invention.

Claims (8)

1. The utility model provides a precast panel structure system before campshed retaining wall stake which characterized in that: including prefabricated panel (1) and cast-in-place concrete layer (6), cast-in-place concrete layer (6) are located between prefabricated panel (1) and campshed (4), and cast-in-place concrete layer (6) and prefabricated panel (1) form whole before being fixed in campshed (4), be equipped with reinforcing bar net (5) in cast-in-place concrete layer (6), reinforcing bar net (5) are fixed in before campshed (4) through campshed bar planting (3) and stock (2), prefabricated panel (1) is fixed in on reinforcing bar net (5) through pre-buried connecting reinforcement (8).

2. The prefabricated panel structure system before row pile retaining wall pile of claim 1, characterized in that: the prefabricated panel (1) is formed by assembling a plurality of prefabricated panel units.

3. The prefabricated panel structure system before row pile retaining wall pile of claim 2, characterized in that: four side surfaces of each prefabricated panel unit are provided with mutual meshing structures (7), each meshing structure (7) is a boss (7-1) and a groove (7-2) which are matched with each other, every two adjacent prefabricated panel units are limited mutually through the meshing structures (7), and a sponge strip (9) is arranged between every two prefabricated panel units.

4. The precast panel structure system before row pile retaining wall pile of claim 2 or 3, wherein: and the left side and the right side of each prefabricated panel unit are respectively provided with a first drainage hole (12).

5. The prefabricated panel structure system before row pile retaining wall pile of claim 4, characterized in that: the anchor rod (2) is located in a soil layer between the row piles (4), a second water outlet is arranged between the row piles (4), the second water outlet and the anchor rod (2) are staggered from top to bottom, a PVC water drain pipe is buried in the second water outlet, meanwhile, two layers of permeable geotextile are wrapped outside the PVC water drain pipe, and the PVC water drain pipe penetrates through a cast-in-place concrete layer (6) and is connected with a first water outlet (12) reserved on the prefabricated panel.

6. The prefabricated panel structure system before row pile retaining wall pile of claim 1, characterized in that: the prefabricated panel (1) bottom is equipped with base (10), the base adopts cast in situ reinforced concrete to make, and prefabricated panel (1) bottom inlays in base (10).

7. The prefabricated panel structure system before row pile retaining wall pile of claim 1, characterized in that: and transverse and vertical reinforcing steel bars are arranged at the joints of the reinforcing mesh (5) and the embedded connecting steel bars (8), the anchor rods (2) and the row pile planting bars (3).

8. The prefabricated panel structure system before row pile retaining wall pile of claim 1, characterized in that: the row pile planting bars (3) are positioned at the center of the row piles (4).