CN112144569A - Prefabricated base of assembled retaining wall and assembled retaining wall - Google Patents

Abstract

The invention belongs to the field of concrete prefabricated parts and discloses a prefabricated base of an assembled retaining wall and the assembled retaining wall, wherein the prefabricated base comprises a bottom plate, side plates and rib plates, the bottom plate is arranged on the bottom plate, and two ends of the bottom plate extend out of the side plates; the floor includes interconnect's horizontal part and vertical portion, and the horizontal part setting is at the middle part of bottom plate, and vertical portion sets up the middle part at the curb plate, and the both sides that lie in vertical portion on the curb plate are pre-buried respectively to be used for with the connecting piece of prefabricated fender apron assembly. The base and the retaining plate are prefabricated in a factory, the prefabricated base and the prefabricated retaining plate with different specifications are designed in a standardized manner, and field assembly construction is carried out, so that the requirements of different retaining wall projects are met, the quality can be ensured, the field construction is convenient and rapid, compared with a sheet-rock concrete retaining wall or a reinforced concrete retaining wall which is piled on the field, the construction is not influenced by weather conditions, the construction is rapid, and the construction management is convenient.

Description

Prefabricated base of assembled retaining wall and assembled retaining wall

Technical Field

The invention relates to the field of concrete prefabricated parts, in particular to a prefabricated base of an assembled retaining wall and the assembled retaining wall.

Background

At present, the gravity retaining wall is generally adopted for residential area preparation, slope protection of various roads and mountains and bank protection of riverways; the gravity type retaining wall bears the action of soil pressure by relying on the self weight of the wall body, and has the advantages of simple structural form, easy material taking and simple and convenient construction.

The gravity type retaining wall is mostly constructed by adopting engineering materials such as grouted rubbles, rubble concrete, concrete and the like, has larger sectional area, more material consumption and large damage range to the surrounding environment, and needs to be subjected to on-site formwork erection and pouring when the rubble concrete or concrete structure is adopted, so the construction period is longer; the problems of slope surface peeling, slump and even shallow layer landslide are easily caused in rainy season.

Disclosure of Invention

The invention aims to provide a prefabricated base of an assembled retaining wall and the assembled retaining wall.

The technical scheme provided by the invention is as follows:

in one aspect, there is provided a prefabricated base for an assembled retaining wall, comprising:

a bottom plate, a plurality of first connecting plates,

the side plates are arranged on the bottom plate, and two ends of the bottom plate extend out of the side plates;

the rib plate comprises a horizontal part and a vertical part which are connected with each other, the horizontal part is arranged in the middle of the bottom plate, the vertical part is arranged in the middle of the side plate, and connecting pieces used for being assembled with the prefabricated retaining plate are embedded in two sides of the vertical part on the side plate respectively.

In the scheme, the rib plates are arranged between the bottom plate and the side plates, so that the strength of the bottom plate and the side plates can be improved, and the prefabricated base is not easily damaged when being used as a supporting stress structure of the retaining wall to bear the soil pressure transmitted from the prefabricated retaining plate; the horizontal part of the rib plate is arranged in the middle of the bottom plate, and the vertical part of the rib plate is arranged in the middle of the side plate, so that the prefabricated soil retaining plates assembled on the two sides of the rib plate are symmetrically arranged relative to the rib plate, and the stress of the side plate on the two sides of the rib plate is balanced, and the side plate is prevented from being damaged due to unbalanced stress; the curb plate is located the pre-buried connecting piece in both sides of vertical portion to the assembly of prefabricated base and prefabricated fender apron improves assembled efficiency of construction.

Further preferably, the connecting plate further comprises a connecting plate, a connecting sleeve is pre-embedded in one end of the connecting plate, a dowel bar is pre-embedded in one end of the bottom plate, and the dowel bar is inserted into the connecting sleeve and fixedly connected with the connecting sleeve so as to connect the connecting plate with the bottom plate.

In this scheme, the bottom plate adopts split type structure, when calculating according to the atress and require the bottom plate overlength, can adopt the dowel bar of reserving on the bottom plate to pass through reliable connection such as sleeve or bolt and become integrative structure at the job site to avoid the bottom plate overlength and be unfavorable for prefabricated base's production, transportation and construction.

Further preferably, pre-buried connecting piece has a plurality ofly on the curb plate, and a plurality ofly the connecting piece sets up respectively the both sides of vertical portion and follow the direction of height interval of curb plate sets up.

In this scheme, along the pre-buried a plurality of connecting pieces of direction of height, can improve the joint strength of prefabricated fender native board and prefabricated base on the curb plate.

Further preferably, the thickness of one end of the horizontal portion close to the vertical portion is greater than that of the other end of the horizontal portion, and the thickness of one end of the vertical portion close to the horizontal portion is greater than that of the other end of the vertical portion.

In this scheme, the thickness that lies in curb plate and bottom plate junction on the floor is greater than the thickness of the other parts of floor, can improve the intensity of curb plate and bottom plate junction.

Further preferably, the thickness of the connecting part of the bottom plate and the side plate is larger than the thickness of the two ends of the bottom plate.

In this scheme, the thickness of the junction of bottom plate and curb plate is greater than the thickness at bottom plate both ends to further improve the intensity of bottom plate and curb plate junction.

Further preferably, one end of the vertical part, which is far away from the horizontal part, is provided with a guardrail hole for inserting a retaining wall guardrail;

and/or; the side plate is characterized by further comprising a first decoration layer, wherein the first decoration layer is arranged on one surface, far away from the rib plate, of the side plate and integrally formed with the side plate.

In this scheme, the shaping is pour with prefabricated base body an organic whole to the decorative layer, and is pleasing to the eye firm, is difficult for droing, and can select multiple view scheme to harmonious unified with surrounding natural environment.

On the other hand, the assembled retaining wall comprises prefabricated retaining plates, fasteners and at least two prefabricated bases of the assembled retaining wall, through holes are formed in two ends of each prefabricated retaining plate respectively, the fasteners penetrate through the through holes and are fixedly connected with the connecting pieces on the side plates, one end of each prefabricated retaining plate is fixed to one prefabricated base, and the other end of each prefabricated retaining plate is fixed to the other prefabricated base.

The assembled retaining wall in this scheme simple structure, pleasing to the eye firm, through standardized design, the different specification components of mill's prefabrication carry out on-the-spot assembly ization construction, satisfy the needs of different retaining wall projects, and it is not only reliable in quality, and on-the-spot construction convenient and fast has effectively shortened construction period moreover.

Further preferably, the prefabricated soil retaining plate comprises a bottom soil retaining plate, a middle soil retaining plate and a top soil retaining plate which are sequentially spliced, and the bottom soil retaining plate, the middle soil retaining plate and the top soil retaining plate are spliced through tongue-and-groove structures respectively.

Further preferably, the safety protection device further comprises a safety protection fence, wherein a safety protection fence hole is formed in the top end of the top layer soil blocking plate, and the safety protection fence is inserted into the safety protection fence hole in the top layer soil blocking plate and the safety protection fence hole in the vertical part.

Further preferably, a drain hole is reserved on the bottom layer soil retaining plate;

and/or; and a second decorative layer is arranged on the surface of the prefabricated soil retaining plate, and the second decorative layer and the prefabricated soil retaining plate are integrally formed.

The invention has the technical effects that: base and retaining wall are prefabricated at the mill, through standardized design, the prefabricated base of different specifications of mill prefabrication and prefabricated retaining wall, carry out on-the-spot prefabricated construction, satisfy the demand of different retaining wall engineering, not only can the quality of assurance, and site operation convenient and fast, construction period has effectively been shortened, compare with the sheet stone concrete retaining wall or the reinforced concrete retaining wall of on-the-spot piling up, not only do not receive the influence of weather conditions during the construction, the construction is swift, construction management is convenient, and is pleasing to the eye firm.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

FIG. 1 is a schematic structural view of one embodiment of a prefabricated base for an assembled retaining wall of the present invention;

FIG. 2 is a schematic view of the prefabricated base of FIG. 1 from another perspective;

FIG. 3 is a schematic structural view of another embodiment of a prefabricated base for an assembled retaining wall according to the present invention;

FIG. 4 is a schematic view of the prefabricated base of FIG. 3 from another perspective;

FIG. 5 is a back side view of the prefabricated soil guard of the present invention;

FIG. 6 is a schematic front view of the prefabricated soil guard of the present invention;

FIG. 7 is a schematic front view of the assembled retaining wall of the present invention;

fig. 8 is a back side structure view of the fabricated retaining wall of the present invention.

The reference numbers illustrate:

1. prefabricating a base; 11. a base plate; 12. a side plate; 131. a horizontal portion; 132. a vertical portion; 14. a connecting member; 15. a connecting plate; 16. a connecting sleeve; 17. inserting ribs; 18. a first decorative layer; 2. prefabricating a soil retaining plate; 21. a bottom layer earth-retaining plate; 211. a drain hole; 22. a middle layer soil retaining plate; 23. a top layer earth-retaining plate; 201. a through hole; 3. a guardrail hole; 4. protecting the fence; 5. and a second decorative layer.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

The present invention provides a concrete embodiment of a prefabricated base for an assembled retaining wall, as shown in fig. 1, 2, 7 and 8, comprising a bottom plate 11, side plates 12 and ribs, wherein the side plates 12 are disposed on the bottom plate 11, and both ends of the bottom plate 11 extend to the outside of the side plates 12; the floor includes a horizontal portion 131 and a vertical portion 132 which are connected to each other, the horizontal portion 131 is disposed at the middle of the bottom plate 11, the vertical portion 132 is disposed at the middle of the side plate 12, and the connecting members 14 for assembling with the prefabricated retaining plate 2 of the retaining wall are pre-buried at both sides of the vertical portion 132 on the side plate 12, respectively.

Specifically, as shown in fig. 1 and 2, prefabricated base 1 includes bottom plate 11, curb plate 12 and floor, bottom plate 11 places and plays the effect of supporting the retaining wall on ground, curb plate 12 sets up perpendicularly on bottom plate 11, pre-buried on curb plate 12 has connecting piece 14, connecting piece 14 can be the nut, the sleeve isotructure of threaded, through pre-buried connecting piece 14 on curb plate 12, during on-the-spot assembly retaining wall, only need twist the bolt and can fix prefabricated retaining wall 2 on curb plate 12, improve the assembly efficiency of retaining wall. A plurality of nuts are pre-embedded in the side plate 12, the plurality of nuts are respectively arranged on two sides of the vertical part 132 of the rib plate and are arranged along the height direction of the side plate 12 at intervals, and the prefabricated soil retaining plate 2 is fixed on the prefabricated base 1 through the matching of the plurality of pre-embedded nuts and the bolts along the height direction. Nuts are embedded in two sides of the vertical portion 132 respectively, and two sides of the vertical portion 132 can be fixedly connected with one prefabricated soil retaining plate 2 respectively so as to splice two adjacent prefabricated soil retaining plates 2.

Prefabricated base 1 bears the soil pressure who comes from prefabricated retaining plate 2 transmission as the main support stress structure of retaining wall, through set up the floor between bottom plate 11 and curb plate 12, can strengthen the joint strength of bottom plate 11 and curb plate 12 to make the security and the stability that the retaining wall satisfies the requirement.

Preferably, as shown in fig. 2, the thickness of one end of the horizontal portion 131 close to the vertical portion 132 is greater than that of the other end of the horizontal portion 131, and the thickness of one end of the vertical portion 132 close to the horizontal portion 131 is greater than that of the other end of the vertical portion 132, so as to improve the strength of the connection between the side plate 12 and the bottom plate 11. Further, the thickness of the joint of the bottom plate 11 and the side plate 12 is greater than the thickness of the two ends of the bottom plate 11, so as to further improve the strength of the joint of the bottom plate 11 and the side plate 12.

The bottom plate 11 of this embodiment, curb plate 12 and floor are at the prefabricated integrated into one piece of mill, through standardized design, the prefabricated base 1 of the different specifications of mill prefabrication, and carry out the prefabricated construction with prefabricated retaining wall board 2 at the job site, satisfy the demand of different retaining wall engineering, not only can the quality of assurance, and site operation convenient and fast, construction period has effectively been shortened, compare with the slabstone concrete retaining wall or the reinforced concrete retaining wall of on-the-spot piling up, not only do not receive the influence of weather conditions during the construction, the construction is swift, construction management is convenient, and beautifully firm.

In one embodiment, as shown in fig. 3 and 4, the prefabricated base 1 further includes a connecting plate 15, a connecting sleeve 16 is embedded in one end of the connecting plate 15, a dowel 17 is reserved in one end of the bottom plate 11, and the dowel 17 is inserted into the connecting sleeve 16 to be fixedly connected with the connecting sleeve 16 through grouting so as to fixedly connect the connecting plate 15 and the bottom plate 11. In the embodiment, the bottom plate 11 of the prefabricated base 1 is prefabricated in a split mode, namely the connecting plate 15 is additionally spliced on the bottom plate 11 of the standard prefabricated base to increase the length of the bottom plate 11, and the connecting plate 15 is connected with the bottom plate 11 effectively to form an integral structure through the dowel bars 17 and the connecting sleeves 16 in a grouting mode or through bolt connection and the like during splicing, so that the stress requirement is met. When the bottom plate 11 required by stress calculation is too long, the split prefabricated base structure of the embodiment can be adopted, so that the production, transportation and construction of the prefabricated base 1 are facilitated, the bottom plate 11 is split, reserved steel bars are reliably connected into an integral structure through sleeves or bolts and the like, and the engineering structure requirement is met.

The dowel bars 17 are inserted into the connecting sleeves 16, and the connecting plates 15 are fixedly connected with the bottom plate 11 through grouting fixation. Or the connection part of the bottom plate 11 and the connecting plate 15 is embedded with a steel plate and the reserved hand hole is connected through a bolt, so that the connecting plate 15 is fixedly connected with the bottom plate 11.

In one embodiment, as shown in fig. 2 and 3, as shown, one end of the vertical part 132, which is away from the horizontal part 131, is provided with a fence hole 3 for inserting a guard rail of a retaining wall; the guardrail holes 3 are formed in the top ends of the vertical portions 132 in advance, so that the guardrail 4 can be directly inserted into the guardrail holes 3 when the guardrail 4 is installed, on-site drilling is not needed, and the assembling efficiency is improved.

As shown in figure 1, the side plate 12 is further provided with a first decoration layer 18 on the side far away from the rib plate, and the first decoration layer 18, the side plate 12, the bottom plate 11 and the rib plate are formed in a one-time pouring mode, so that the decorative plate is attractive and firm, and can be harmonious and uniform with the surrounding natural environment.

The present invention also provides a concrete embodiment of an assembled retaining wall, as shown in fig. 1 to 8, comprising prefabricated retaining plates 2, fasteners and at least two prefabricated bases 1 of the above embodiments, wherein both ends of the prefabricated retaining plates 2 are respectively provided with through holes 201, the fasteners pass through the through holes 201 and are fixedly connected with the connecting pieces 14 on the side plates 12, one end of the prefabricated retaining plate 2 is fixed on one prefabricated base 1, and the other end of the prefabricated retaining plate 2 is fixed on the other prefabricated base 1.

As shown in fig. 5, both ends of the prefabricated soil guard plate 2 are respectively provided with a plurality of through holes 201 along the height direction of the prefabricated soil guard plate 2, and the plurality of through holes 201 are provided in one-to-one correspondence with the plurality of connectors 14 on the side plate 12. The fastening piece can be a bolt, the connecting piece 14 can be a nut or a sleeve with threads, the fastening piece penetrates through the through hole 201 and is fixedly connected with the connecting piece 14 pre-embedded on the side plate 12, and the prefabricated retaining plate 2 can be fixed on the two prefabricated bases 1 to be assembled to form the retaining wall.

As shown in fig. 5 and 6, the prefabricated soil guard plate 2 includes a bottom soil guard plate 21, a middle soil guard plate 22 and a top soil guard plate 23 which are sequentially spliced, and the bottom soil guard plate 21, the middle soil guard plate 22 and the top soil guard plate 23 are respectively spliced through a tongue-and-groove structure. The top of the bottom layer soil retaining plate 21 is provided with a tongue-and-groove structure, the top and the bottom of the middle layer soil retaining plate 22 are respectively provided with a tongue-and-groove structure, the top of the top layer soil retaining plate 23 is provided with a tongue-and-groove structure, and the multiple layers of soil retaining plates are spliced through the tongue-and-groove structures, so that the water seepage path can be prolonged, and the waterproof effect at the spliced part is improved. Prefabricated earth guard plate 2 can form for the concatenation of multilayer earth guard plate structures such as two-layer, three-layer to reduce prefabricated earth guard plate 2's weight, conveniently prefabricated earth guard plate 2's transportation and hoist and mount, in addition, still can adjust the number of piles of earth guard plate according to actual demand, with the height of adjusting the retaining wall.

As shown in fig. 7 and 8, the prefabricated retaining wall further includes guard rails 4, the top end of the top layer retaining plate 23 is provided with guard rail holes 3, and the guard rails 4 are inserted into the guard rail holes 3 of the top layer retaining plate 23 and the vertical parts 132.

Preferably, as shown in fig. 5 and 7, a drain hole 211 is reserved on the bottom soil guard plate 21 to facilitate water drainage and avoid water accumulation. The surface of prefabricated fender breast board 2 is equipped with second decorative layer 5, and second decorative layer 5 pours the shaping with prefabricated fender breast board 2 an organic whole, and is pleasing to the eye firm, and can select multiple view scheme to can be harmonious unified with surrounding natural environment.

The prefabricated base 1 and the prefabricated soil retaining plate 2 are prefabricated in a factory, and during construction, only on-site assembly is needed, so that the construction is convenient and fast, the construction period is effectively shortened, and the quality can be guaranteed.

The prefabricated retaining wall can be effectively connected into a whole through the prefabricated construction, the prefabricated retaining plate 2 is a component bearing back soil pressure, and the prefabricated base 1 is used as a supporting stress structure of the prefabricated retaining wall to bear the soil pressure transmitted by the prefabricated retaining plate 2; and selecting the prefabricated bases 1 and the prefabricated retaining plates 2 with different specifications according to design calculation so as to meet the safety and stability required by the retaining wall. Meanwhile, the requirements of different engineering heights and lateral soil pressures are met by standardized design, factory prefabrication of components with different specifications and field assembly construction, so that economic benefits and feasibility of comprehensive popularization are realized.

The construction steps of the assembled retaining wall in this embodiment are:

cushion layer construction: excavating a groove of a prefabricated base foundation to complete foundation earthwork construction; paving basic broken stones and cushion concrete or directly paving factory precast slabs;

and (3) mounting a prefabricated base: when the cushion layer construction is finished and the design requirement is met, starting to hoist the prefabricated base;

and (3) mounting the prefabricated retaining plate: after the prefabricated bases on the two adjacent sides are installed in place, hoisting the lower-layer prefabricated retaining plate and connecting and fixing the lower-layer prefabricated retaining plate by using bolts; then hoisting the middle layer retaining plate and the top layer retaining plate in sequence, and connecting and fixing;

repeating the steps, and installing all projects;

blocking mortar: after the installation of the interval is finished, pre-buried bolt holes in the prefabricated earth retaining plate and mortar plugging of construction joints between the prefabricated earth retaining plate and the prefabricated base piece can be carried out;

construction of a permeable layer and backfilling; and after the mortar is blocked, carrying out construction operation of permeable macadam and layered compaction backfilling.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A prefabricated base for an assembled retaining wall, comprising:

a bottom plate, a plurality of first connecting plates,

the side plates are arranged on the bottom plate, and two ends of the bottom plate extend out of the side plates;

the rib plate comprises a horizontal part and a vertical part which are connected with each other, the horizontal part is arranged in the middle of the bottom plate, the vertical part is arranged in the middle of the side plate, and connecting pieces used for being assembled with the prefabricated retaining plate are embedded in two sides of the vertical part on the side plate respectively.

2. The prefabricated foundation of an assembled retaining wall as claimed in claim 1, further comprising a connecting plate, wherein a connecting sleeve is embedded in one end of the connecting plate, and a dowel is embedded in one end of the bottom plate, and the dowel is inserted into the connecting sleeve and fixedly connected with the connecting sleeve to connect the connecting plate and the bottom plate.

3. The precast foundation bed of an assembled retaining wall according to claim 1, wherein the side plate has a plurality of connectors embedded therein, and the plurality of connectors are respectively disposed at both sides of the vertical portion and spaced apart in a height direction of the side plate.

4. A prefabricated base for an assembled retaining wall according to any one of claims 1 to 3, wherein the thickness of one end of the horizontal portion adjacent to the vertical portion is greater than that of the other end of the horizontal portion, and the thickness of one end of the vertical portion adjacent to the horizontal portion is greater than that of the other end of the vertical portion.

5. A prefabricated foundation for an assembled retaining wall according to any one of claims 1 to 3, wherein the thickness of the bottom plate at the junction with the side plates is greater than the thickness of the two ends of the bottom plate.

6. A prefabricated foundation for a fabricated retaining wall according to any one of claims 1 to 3,

one end of the vertical part, which is far away from the horizontal part, is provided with a guardrail hole for inserting a protective fence of a retaining wall;

and/or; the side plate is characterized by further comprising a first decoration layer, wherein the first decoration layer is arranged on one surface, far away from the rib plate, of the side plate and integrally formed with the side plate.

7. An assembled retaining wall comprising at least two prefabricated bases of the assembled retaining wall of claims 1-6, and prefabricated retaining plates, through holes being provided at both ends of the prefabricated retaining plates, respectively, and fasteners passing through the through holes and fixedly connected to the connectors on the side plates for fixing one end of the prefabricated retaining plate to one of the prefabricated bases and the other end of the prefabricated retaining plate to the other prefabricated base.

8. An assembled retaining wall as claimed in claim 7, wherein the prefabricated retaining wall comprises a bottom retaining plate, a middle retaining plate and a top retaining plate which are sequentially spliced, and the bottom retaining plate, the middle retaining plate and the top retaining plate are spliced by a tongue-and-groove structure respectively.

9. An assembled retaining wall as claimed in claim 8, further comprising a guard rail, wherein the top end of the top retaining plate is provided with a guard rail hole, and the guard rail is inserted into the guard rail holes on the top retaining plate and the vertical part.

10. A fabricated retaining wall according to claim 8,

a drain hole is reserved on the bottom layer soil retaining plate;

and/or; and a second decorative layer is arranged on the surface of the prefabricated soil retaining plate, and the second decorative layer and the prefabricated soil retaining plate are integrally formed.

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