Long simply-supported unloading plate buttress type retaining wall structure

Abstract

The utility model relates to the technical field of slope support engineering, and discloses a long simply-supported unloading plate buttress type retaining wall structure which comprises a vertical plate and an unloading plate, a bearing platform is formed at the bottom of the vertical plate in a pouring mode, a supporting bottom plate is arranged on the lower portion of a gear end face in an outward protruding mode, and a plurality of supporting beams are arranged in the middle of the gear end face in an outward protruding mode. Every two adjacent supporting beams are connected with a lengthened unloading plate. According to the composite structure of the unloading plate and the buttress, a long simply-supported unloading plate is additionally arranged on the basis of a traditional buttress type retaining wall, the unloading plate is used for dispersing the lateral pressure of a soil body, reducing the stress of a vertical plate and reducing the structural size, and the unloading plate is installed in a simply-supported mode to form horizontal support and enhance the overall stability; the stability of the unloading plate and the shear capacity are improved through the supporting beams, the bearing platform is arranged at the bottom of the vertical plate, the structure is simple, construction is convenient, the foundation bearing capacity of the retaining wall is improved, and the anti-overturning and anti-sliding stability of the whole retaining wall structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of slope support engineering, in particular to long simple support unloading board supporting wall structure. BACKGROUND

[0002] Supporting wall is a kind of shoulder retaining wall, it is a kind of retaining wall form that precast retaining wall plate is welded on steel plate embedded in foundation concrete, then fills soil in it, compared with other forms of retaining wall, supporting wall has the advantages of saving land space, shortening construction period, beautifying urban environment, easy construction etc.

[0003] But due to the low bearing capacity of foundation soil itself, the friction between foundation and retaining wall structure is weak, which often leads to insufficient anti-sliding and anti-toppling capacity of supporting wall, especially under the influence of heavy rain, the pressure at the bottom of retaining wall increases, and the strength of soil decreases, which further reduces the safety factor of retaining wall structure, and instability and damage often occur. UTILITY MODEL CONTENT

[0004] The utility model aims at providing long simple support unloading board supporting wall structure, to solve the problem of instability and damage of retaining wall structure in the prior art.

[0005] The utility model is realized in this way, long simple support unloading board supporting wall structure, including vertical plate and unloading board, the bottom of vertical plate is formed with load-bearing platform, one side of vertical plate is filled with backfill material, one side of vertical plate has retaining end face towards backfill material, the lower part of retaining end face is outwardly convex with support bottom plate, the middle part of retaining end face has a plurality of support beams outwardly convex, a plurality of support beams are sequentially and spacedly arranged along the length direction of retaining end face, the adjacent support beams are connected with lengthened unloading board, one end of unloading board is fixedly connected on retaining end face, the other end of unloading board is inserted in backfill material, unloading board and support bottom plate are sequentially and spacedly arranged.

[0006] Further, one end of unloading board away from retaining end face is connected with pull rod, pull rod is connected with the top of vertical plate, so that unloading board, pull rod and vertical plate form triangular support structure.

[0007] Further, a plurality of connecting columns are connected between support beam and support bottom plate, a plurality of connecting columns are sequentially and spacedly arranged along the direction of support bottom plate away from retaining end face.

[0008] Further, the other side of vertical plate away from retaining end face is provided with supporting plate, supporting plate is oppositely arranged with support beam, and supporting plate and support beam are integrated structure.

[0009] Further, the buttress plate is arranged vertically, and the bottom of the buttress plate is fixed on the top of the load-bearing table.

[0010] Further, a plurality of anchor rods are arranged on the upper portion of the retaining end face, and the plurality of anchor rods are arranged in sequence and at intervals along the length direction of the vertical plate.

[0011] Further, one end of the anchor rod is connected with an anchor top block, the anchor top block is located in the backfill or the existing slope soil body, the other end of the anchor rod is connected with an anchoring block, the anchoring block is abutted on the vertical plate and is arranged in opposite direction away from the retaining end face.

[0012] Further, the anchoring block is fixed on the buttress plate.

[0013] Further, the cross-sectional length of the unloading plate is greater than the cross-sectional length of the support bottom plate.

[0014] Further, a gravel filter layer is laid on the support bottom plate, and a drainage hole is arranged in the vertical plate in an inclined manner, and the drainage hole is in communication with the gravel filter layer.

[0015] Compared with the prior art ， The long simply-supported unloading plate buttress type retaining wall structure has the advantages that: the composite structure of the unloading plate and the buttress is additionally provided with a long simply-supported unloading plate on the basis of the traditional buttress type retaining wall, the unloading plate disperses the lateral pressure of the soil body, reduces the stress of the vertical plate, reduces the structural size, the unloading plate is simply-supported and installed, horizontal support is formed, and the overall stability is enhanced; the support beam is used to increase the stability of the unloading plate and improve the shear capacity, the bottom of the vertical plate is provided with a load-bearing table, the structure is simple and convenient to construct, the foundation bearing capacity of the retaining wall is improved, and the anti-overturning and anti-sliding stability of the entire retaining wall structure is improved; the support bottom plate is arranged to disperse the load, improve the stability of the unloading plate and improve the shear capacity, and the problem that the retaining wall structure is prone to instability and damage is solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a sectional structure schematic view of the long simply-supported unloading plate buttress type retaining wall structure.

[0017] In the drawing: the vertical plate 10, the unloading plate 20, the load-bearing table 30, the support bottom plate 40, the support beam 50, the buttress plate 60, the connecting column 70, the backfill 80, the retaining end face 11, the anchor rod 12, the anchor top block 13, the anchoring block 14, the drainage hole 15 and the tie rod 21. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0019] The implementation of the utility model will be described in detail in combination with specific examples.

[0020] The same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components; in the description of the utility model, it should be understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationships in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the utility model, for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0021] Referring to Figure 1 The preferred embodiment provided by the utility model is shown in the drawings.

[0022] The long simple support unloading plate retaining wall structure comprises a vertical plate 10 and an unloading plate 20, a bearing platform 30 is formed at the bottom of the vertical plate 10, the vertical plate 10 is filled with backfill 80 on one side, the vertical plate 10 has a retaining end face 11 facing the backfill 80 on one side, a support bottom plate 40 is protruded outward at the lower part of the retaining end face 11, a plurality of support beams 50 are protruded outward at the middle part of the retaining end face 11, the plurality of support beams 50 are arranged in sequence and at intervals along the length direction of the retaining end face 11, the adjacent support beams 50 are connected with the lengthened unloading plate 20, one end of the unloading plate 20 is fixedly connected to the retaining end face 11, the other end of the unloading plate 20 is inserted into the backfill 80, and the unloading plate 20 and the support bottom plate 40 are arranged in an upper and lower relative interval.

[0023] The long simply-supported unloading plate retaining wall structure provided in the above adds a long simply-supported unloading plate 20 to the traditional retaining wall structure, disperses the earth side pressure through the unloading plate 20, reduces the stress of the vertical plate 10, reduces the structural size, and forms horizontal support through the simply-supported installation of the unloading plate 20, thereby enhancing the overall stability; the support beam 50 increases the stability and shear capacity of the unloading plate 20, the bottom of the vertical plate 10 is provided with a bearing platform 30, the structure is simple and convenient to construct, the foundation bearing capacity of the retaining wall is improved, and the overall stability against overturning and sliding of the retaining wall structure is improved; the support bottom plate 40 is further provided to disperse the load, improve the stability and shear capacity of the unloading plate 20, and solve the problem of instability and damage of the retaining wall structure.

[0024] The vertical plate 10, the unloading plate 20, the bearing platform 30, the support bottom plate 40 and the support beam 50 are all reinforced concrete structures, the unloading plate 20 is simply-supported (one end is fixed to the vertical plate 10 and the other end is embedded in the backfill 80), wherein the unloading plate 20 is fixedly connected with the retaining wall vertical plate 10 and extends into the backfill 80, so as to reduce the pressure of the backfill 80 on the vertical plate 10 and improve the stability of the retaining wall structure.

[0025] In the embodiment, the unloading plate 20 is connected with a pull rod 21 at the end away from the retaining wall end face 11, the pull rod 21 is connected with the top of the vertical plate 10, so that the unloading plate 20, the pull rod 21 and the vertical plate 10 form a triangular support structure. In this way, the stability of the unloading plate 20 can be increased through the pull rod 21, so as to prevent the unloading plate 20 from being unstable or the shear capacity being reduced due to the length process.

[0026] In the embodiment, the support beam 50 and the support bottom plate 40 are connected through a plurality of connecting columns 70, the plurality of connecting columns 70 are arranged in sequence and at intervals along the direction of the support bottom plate 40 away from the retaining wall end face 11. In this way, the stability of the unloading plate 20 structure can be increased through the plurality of connecting columns 70, so as to improve the length adaptation range of the unloading plate 20.

[0027] In the embodiment, a retaining wall plate 60 is arranged on the other side of the vertical plate 10 away from the retaining wall end face 11, the retaining wall plate 60 is arranged opposite to the support beam 50, and the retaining wall plate 60 and the support beam 50 are an integrated structure.

[0028] The retaining wall plate 60 and the unloading plate 20 cooperate with each other, the retaining wall plate 60 serves as a lateral support of the vertical plate 10 and forms a three-dimensional force system with the unloading plate 20, optimizes the load transmission path, and reduces the bending moment and shear stress; the retaining wall plate 60 is arranged at a key position of the vertical plate 10 and is used to enhance the overall rigidity and stability of the structure.

[0029] In the embodiment, the supporting wall plate 60 is arranged vertically, and the bottom of the supporting wall plate 60 is fixed on the top of the bearing table 30. In this way, the land occupation of the supporting wall plate 60 can be reduced, and the stability of the structure of the unloading plate 20 and the standing plate 10 can be improved.

[0030] In the embodiment, a plurality of anchor rods 12 are arranged on the upper part of the retaining end face 11, and the plurality of anchor rods 12 are arranged in sequence and at intervals along the length direction of the standing plate 10; one end of the anchor rod 12 is connected with an anchor top block 13, and the anchor top block 13 is located in the backfill 80 or the existing slope soil body; the other end of the anchor rod 12 is connected with an anchoring block 14, and the anchoring block 14 is abutted on the standing plate 10 and arranged away from the retaining end face 11.

[0031] The anchor rod 12 is arranged in the backfill 80 or the existing slope soil body, and forms a stable support system together with the standing plate 10 and the unloading plate 20, so that the anti-sliding stability coefficient is improved.

[0032] Through the arrangement of the unloading plate 20, the transmission path of the gravity of the soil body is changed, and the soil pressure borne by the retaining wall body is effectively reduced; meanwhile, the pulling effect of the anchor rod 12 further improves the stability of the structure, and forms a stable support system together with the standing plate 10 and the unloading plate 20, so that the anti-sliding stability coefficient is improved.

[0033] In the embodiment, the anchoring block 14 is fixed on the supporting wall plate 60. In this way, the supporting wall plate 60 can be used to improve the anti-sliding stability coefficient in cooperation with the anchor rod 12.

[0034] In the embodiment, the cross-sectional length of the unloading plate 20 is greater than the cross-sectional length of the supporting bottom plate 40. In this way, the longer the length of the unloading plate 20 is, the smaller the pressure of the backfill 80 on the standing plate 10 is, and the more beneficial to the stability of the retaining wall structure.

[0035] In the embodiment, a gravel anti-filtration layer is laid on the supporting bottom plate 40, and a drainage hole 15 is arranged in the standing plate 10 in an inclined manner, and the drainage hole 15 is in communication with the gravel anti-filtration layer.

[0036] Through the drainage system formed by the gravel anti-filtration layer and the drainage hole 15, the water in the standing plate 10 can be timely drained by the drainage system, so that the deformation or instability of the standing plate 10 caused by water accumulation can be prevented.

[0037] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A long and short braced unloading board buttressed retaining wall structure, characterized by, The utility model provides a kind of retaining wall, including vertical plate and unloading board, the bottom of the vertical plate is formed with load-bearing platform, one side of the vertical plate is filled with backfill, one side of the vertical plate has the blocking end face towards backfill, the lower part of the blocking end face is outwardly convex with support base plate, the middle part of the blocking end face has outwardly convex with multiple support beams, multiple support beams are sequentially spaced along the length direction of blocking end face, adjacent support beam is connected with lengthened unloading board, one end of the unloading board is fixedly connected on blocking end face, the other end of the unloading board is inserted in backfill, the unloading board and support base plate are arranged in upper and lower spaced apart.

2. The long, simply supported, unloading slab buttressed retaining wall structure according to claim 1, wherein The end of the unloading board away from the blocking end face is connected with pull rod, the pull rod is connected with the top of vertical plate, so that the unloading board and pull rod and vertical plate form triangular support structure.

3. The long, simply supported, unloading slab buttressed retaining wall structure according to claim 2, wherein The support beam and support base plate are connected by multiple connecting columns, multiple connecting columns are sequentially spaced along the direction of support base plate away from blocking end face.

4. The long, simply supported, unloading slab buttressed retaining wall structure according to claim 1, wherein The other side of the vertical plate away from the blocking end face is provided with supporting wall, the supporting wall is arranged opposite to support beam, and the supporting wall and support beam are integrated structure.

5. The long, simply supported, unloading slab buttressed retaining wall structure according to claim 4, wherein The supporting wall is vertically arranged, and the bottom of the supporting wall is fixed on the top of load-bearing platform.

6. The long, simply supported, unloading slab buttressed retaining wall structure according to claim 4, wherein The upper part of the blocking end face is provided with multiple anchor rods, multiple anchor rods are sequentially spaced along the length direction of vertical plate.

7. The long, simply supported, unloading slab buttressed retaining wall structure according to claim 6, wherein One end of the anchor rod is connected with anchor top block, the anchor top block is located in backfill or existing slope soil body, the other end of the anchor rod is connected with anchor block, the anchor block is abutted on vertical plate, and is arranged opposite away from blocking end face.

8. The long, simply supported, unloading slab buttressed retaining wall structure according to claim 7, wherein The anchor block is fixed on supporting wall.

9. The long, simply supported, unloading slab buttressed retaining wall structure according to any one of claims 1 to 8, wherein The cross-sectional length of the unloading board is greater than the cross-sectional length of support base plate.

10. The long, simply supported, unloading slab buttressed retaining wall structure according to any one of claims 1 to 8, wherein The support base plate is paved with gravel filter layer, and the vertical plate is provided with inclined drainage hole, and the drainage hole is communicated with gravel filter layer.

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