Cement stabilized macadam abutment back backfilling structure

Abstract

The utility model provides a cement stabilized macadam abutment back backfilling structure, and relates to the field of backfilling structures, the cement stabilized macadam abutment back backfilling structure comprises a bridge abutment, a step and a plurality of spacing boards, the bridge abutment is arranged on one side of the step, and a macadam layer, a gravel layer, a coarse sand layer, a fine sand layer and a pavement layer are arranged between the bridge abutment and the step from bottom to top; the partition plate sequentially penetrates through the fine sand layer, the coarse sand layer, the gravel layer and the gravel layer from top to bottom, a drainage layer is arranged between the pavement layer and the fine sand layer, and transverse plates which are arranged in a left-right staggered mode are arranged on the partition plate; the gravel layer, the gravel layer, the coarse sand layer and the fine sand layer are separated through the partition plates, the strength of the backfill structure can be enhanced, sedimentation and collapse of the road surface are prevented, the drainage layer is additionally arranged, and it can be guaranteed that rainwater of the road surface layer can be rapidly drained out through the drainage layer.

Description

Technical Field

[0001] The present application relates to the field of backfill structures, and in particular to a cement-stabilized gravel platform backfill structure. Background Art

[0002] With the continuous advancement of transportation infrastructure construction, technical problems in road construction are becoming increasingly prominent. In particular, the technical difficulty and complexity of the construction of the back-end roadbed, where structures such as bridges and culverts meet the roadbed, has become a key factor restricting the quality of road projects. Traditional backfill materials and construction processes often fail to meet design requirements, resulting in prominent settlement and deformation problems of the back-end roadbed, which seriously affects the safety and service life of the road. Therefore, the back-end roadbed of the structure needs to be optimized and improved. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a cement-stabilized gravel platform backfill structure, which can solve the above-mentioned technical problems.

[0004] An embodiment of the present application provides a cement-stabilized gravel platform backfill structure, including an abutment, a step, and a plurality of partition plates, wherein the abutment is arranged on one side of the step, and a gravel layer, a sand and gravel layer, a coarse sand layer, a fine sand layer, and a road surface layer are arranged from bottom to top between the abutment and the step, and the partition plates pass through the fine sand layer, the coarse sand layer, the sand and gravel layer, and the gravel layer in sequence from top to bottom, a drainage layer is arranged between the road surface layer and the fine sand layer, and horizontal plates staggered left and right are arranged on the partition plates.

[0005] Preferably, the length of the transverse board is at least 20 cm.

[0006] Preferably, a drainage pipe is provided inside the drainage layer, and the drainage pipe is made of a corrosion-resistant and high-pressure resistant material.

[0007] Preferably, connecting pieces are provided between the gravel layer and the sand and gravel layer, between the sand and gravel layer and the coarse sand layer, and between the coarse sand layer and the fine sand layer, and the connecting pieces are arranged in a "}" shape.

[0008] Preferably, the connecting piece is made of metal material, and the outer surface of the connecting piece is granular.

[0009] Preferably, the outer surface of the transverse plate is granular and the transverse plate is made of metal.

[0010] Beneficial effects of the utility model:

[0011] The utility model provides a cement-stabilized gravel platform backfill structure, including an abutment, a step, and a plurality of partition plates, wherein the abutment is arranged at one side of the step, and a gravel layer, a sand and gravel layer, a coarse sand layer, a fine sand layer, and a road surface layer are arranged between the abutment and the step from bottom to top, and the partition plates pass through the fine sand layer, the coarse sand layer, the sand and gravel layer, and the gravel layer in sequence from top to bottom, a drainage layer is arranged between the road surface layer and the fine sand layer, and horizontal plates staggered left and right are arranged on the partition plates. The utility model separates the gravel layer, the sand and gravel layer, the coarse sand layer, and the fine sand layer through a plurality of partition plates, thereby enhancing the strength of the backfill structure, preventing the settlement and collapse of the road surface, and increasing the drainage layer, thereby ensuring that rainwater in the road surface layer can be quickly discharged through the drainage layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] The reference numerals are:

[0015] 1. Abutment; 2. Steps; 3. Partition plates; 4. Gravel layer; 5. Sand and gravel layer; 6. Coarse sand layer; 7. Fine sand layer; 8. Pavement layer; 9. Drainage layer; 10. Cross plate; 11. Drainage pipes; 12. Connectors. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0018] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0019] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0020] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0021] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0022] like Figure 1 As shown, a cement-stabilized gravel platform backfill structure includes an abutment 1, a step 2, and a plurality of partitions 3. The abutment 1 is arranged on one side of the step 2, and a gravel layer 4, a sand and gravel layer 5, a coarse sand layer 6, a fine sand layer 7, and a road surface layer 8 are arranged between the abutment 1 and the step 2 from bottom to top. The partition 3 passes through the fine sand layer 7, the coarse sand layer 6, the sand and gravel layer 5, and the gravel layer 4 in sequence from top to bottom. A drainage layer 9 is arranged between the road surface layer 8 and the fine sand layer 7, and horizontal plates 10 staggered on the left and right are arranged on the partition 3. The utility model separates the gravel layer 4, the sand and gravel layer 5, the coarse sand layer 6, and the fine sand layer 7 through a plurality of partitions 3, which can enhance the strength of the backfill structure and prevent the settlement and collapse of the road surface. In addition, the drainage layer 9 is added to ensure that rainwater in the road surface layer 8 can be quickly discharged through the drainage layer 9.

[0023] like Figure 1As shown, in this embodiment, the length of the transverse board 10 is at least 20 cm. Specifically, a transverse board 10 of a suitable length can be selected according to demand. The transverse board 10 of the utility model can enhance the strength of the partition board 3.

[0024] like Figure 1 As shown, in this embodiment, a drainage pipe 11 is arranged inside the drainage layer 9. The drainage pipe 11 is made of corrosion-resistant and high-pressure resistant material. The drainage pipe 11 of the utility model can be used to quickly drain rainwater from vehicles on the road surface to prevent rainwater from accumulating on the vehicles on the road surface.

[0025] like Figure 1 As shown, in this embodiment, connecting members 12 are arranged between the gravel layer 4 and the sand and gravel layer 5, between the sand and gravel layer 5 and the coarse sand layer 6, and between the coarse sand layer 6 and the fine sand layer 7. The connecting members 12 are arranged in an "}" shape. The connecting members 12 of the utility model can enhance the connection force between the gravel layer 4, the sand and gravel layer 5, the coarse sand layer 6, and the fine sand layer 7.

[0026] like Figure 1 As shown, in this embodiment, in order to enhance the friction force of the connecting member 12, the connecting member 12 is made of metal material, and the outer surface of the connecting member 12 is granular.

[0027] like Figure 1 As shown, in this embodiment, in order to enhance the friction force of the transverse plate 10, the outer surface of the transverse plate 10 is arranged in a granular shape, and the transverse plate 10 is made of metal material.

[0028] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cement-stabilized gravel platform backfill structure, characterized in that: It includes a bridge abutment, steps, and multiple partitions. The abutment is arranged on one side of the steps. A crushed stone layer, a sand and gravel layer, a coarse sand layer, a fine sand layer, and a road surface layer are arranged between the abutment and the steps from bottom to top. The partition passes through the fine sand layer, the coarse sand layer, the sand and gravel layer, and the crushed stone layer in sequence from top to bottom. A drainage layer is arranged between the road surface layer and the fine sand layer. The partition is provided with horizontal plates staggered left and right.

2. A cement-stabilized gravel platform backfill structure according to claim 1, characterized in that: The length of the transverse board is at least 20 cm.

3. The cement-stabilized crushed stone platform backfill structure according to claim 1 is characterized by: A drainage pipe is arranged inside the drainage layer, and the drainage pipe is made of corrosion-resistant and high-pressure-resistant material.

4. The cement-stabilized crushed stone platform backfill structure according to claim 1 is characterized by: Connectors are arranged between the gravel layer and the sand and gravel layer, between the sand and gravel layer and the coarse sand layer, and between the coarse sand layer and the fine sand layer, and the connectors are arranged in a "}" shape.

5. The cement-stabilized crushed stone platform backfill structure according to claim 4 is characterized by: The connecting piece is made of metal material, and the outer surface of the connecting piece is arranged in a granular shape.

6. The cement-stabilized crushed stone platform backfill structure according to claim 1, characterized in that: The outer surface of the horizontal plate is granular, and the horizontal plate is made of metal material.

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