Collapsible loess rammed earth cushion
By introducing buffer springs, fixed blocks and multi-layer structures into the collapsible loess rammed earth pad, the problems of single structure and low strength of the existing rammed earth pad are solved, and the effects of improving tensile performance, enhancing water absorption function and extending service life are achieved.
Patent Information
- Application Number
- CN202422866865.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-25
AI Technical Summary
The existing collapsible loess rammed earth pad has a simple structure, low strength, poor tensile strength, weak water absorption function, easy deformation and breakage, and a small compacted area.
A structure including an upper pad, a buffer spring, a lower pad, a fixed block and a rammed earth pad body was designed. The rammed earth pad body consists of a vertical grid layer, a wear-resistant layer, a tensile layer, a non-woven fabric layer and a plastic wire layer. The buffer spring reduces vibration and deviation, the fixed block and the connecting bolt facilitate fixed connection, the wear-resistant layer improves wear resistance, the tensile layer enhances tensile performance, the non-woven fabric layer improves water absorption, and the plastic wire layer accelerates water filtration.
It improves the structural strength and tensile properties of the rammed earth mat, enhances the water absorption function, extends the service life, prevents small particles from being carried away by water flow, and ensures the stability of the rammed area.
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Figure CN223446133U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to collapsible loess ramming pad technical field, specifically is a collapsible loess ramming pad. BACKGROUND
[0002] Collapsible loess refers to under the action of overburden stress, or under the action of self-weight stress and additional stress, the soil structure is destroyed and the soil is deformed significantly after immersion, which belongs to special soil, some miscellaneous fill also has collapsibility, collapsible loess is a kind of special soil, its soil quality is relatively uniform, structure is loose, pore development, when not being wetted by water, generally high strength, small compressibility, when being wetted by water under certain pressure, soil structure will be quickly destroyed, produce large additional subsidence, strength rapidly reduces, when engineering construction is carried out on collapsible loess foundation, the damage caused by additional settlement due to foundation collapsibility must be considered, suitable foundation treatment method is selected, to avoid or eliminate the damage caused by small amount of collapsibility, collapsible loess foundation needs to be rammed by rammer when building.
[0003] But it still has some shortcomings, for example: the collapsible loess ramming pad structure is relatively single at present, the structural strength is low, the tensile property is poor, it is easy to stretch excessively and break, the functionality is relatively low, it is easy to deform under tensile state, even break, cannot play the role of reinforcement, the ramming area of ground is small, and the water absorption function is not strong.
[0004] To solve the above problems, a collapsible loess ramming pad is provided in the application. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a collapsible loess ramming pad to solve the problem of single structure and poor water absorption function in the prior art proposed in the background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: a collapsible loess ramming pad, including upper pad, the both sides outer surfaces of the lower end of upper pad are all fixedly installed with buffer spring, the lower end outer surface of buffer spring is fixedly installed with lower pad, the both sides outer surfaces of the lower end of lower pad are all fixedly installed with fixed block.
[0007] Preferably, one side of the fixed block is detachably connected with a connecting bolt, and the inner side outer surface of the fixed block is detachably installed with a ramming pad body.
[0008] Preferably, the rammed earth pad body comprises a vertical grid layer, a wear-resistant layer, a tensile layer, a non-woven fabric layer, a plastic filament layer and a rammed earth pad base layer, the lower end outer surface of the vertical grid layer is fixedly installed with the wear-resistant layer, the lower end outer surface of the wear-resistant layer is fixedly installed with the tensile layer, the lower end outer surface of the tensile layer is fixedly installed with the non-woven fabric layer, the lower end outer surface of the non-woven fabric layer is fixedly installed with the plastic filament layer, and the lower end outer surface of the plastic filament layer is fixedly installed with the rammed earth pad base layer.
[0009] Preferably, the two sides of the upper pad plate and the two sides of the lower pad plate are in parallel, and the number of the buffer springs is multiple groups.
[0010] Preferably, the fixing blocks are in L-shaped structure, and the number of the fixing blocks is two groups.
[0011] Preferably, one side of the connecting bolt is detachably connected with one side of the rammed earth pad body through the inner cavity of the fixing block, and the rammed earth pad body is located at the lower end of the lower pad plate.
[0012] Preferably, the vertical grid layer is located at the lower end of the lower pad plate.
[0013] Compared with the prior art, the rammed earth pad has the advantages that:
[0014] The upper pad plate, the buffer spring and the lower pad plate are used in cooperation, so that the rammed earth pad can be hammered by the rammer, the efficiency of vibration can be reduced, and the deviation can be reduced; the fixing block and the connecting bolt are arranged, so that the rammed earth pad can be fixedly connected, thereby facilitating the dismounting and replacement of the rammed earth pad; the rammed earth pad body is placed on the inner side of the fixing block, and then the rammed earth pad body and the fixing block are fixedly connected through the connecting bolt, so that the rammed earth pad is stably connected to the lower end of the lower pad plate.
[0015] The wear-resistant layer improves the wear resistance of the surface of the rammed earth pad, prolongs the service life of the rammed earth pad, the non-woven fabric layer improves the water absorption of loess, prevents small particle substances from being carried away by water flow, the tensile layer improves the tensile property of the rammed earth pad, and the plastic filament layer enables the water in the lower layer to be rapidly filtered to the upper layer, so that the lower layer does not form a new silt layer to affect the bottom protection effect. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the rammed earth pad for collapsible loess according to the utility model;
[0017] Figure 2 It is a connecting and splitting structure schematic view of the rammed earth pad for collapsible loess according to the utility model;
[0018] Figure 3The utility model provides a collapsible loess rammed earth pad fixed connection structure schematic drawing.
[0019] Figure 4 The utility model provides a collapsible loess rammed earth pad layered structure schematic drawing.
[0020] In the drawing: 1, upper pad plate; 2, buffer spring; 3, lower pad plate; 4, fixed block; 5, connecting bolt; 6, rammed earth pad body; 601, vertical grating layer; 602, wear-resistant layer; 603, tensile layer; 604, non-woven fabric layer; 605, plastic silk layer; 606, rammed earth pad base layer. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0022] Please refer to Figures 1-3 The utility model provides a collapsible loess rammed earth pad, including upper pad plate 1, the both sides outer surface of upper pad plate 1 lower end are all fixedly installed with buffer spring 2, the lower end outer surface of buffer spring 2 is fixedly installed with lower pad plate 3, the both sides outer surface of lower pad plate 3 lower end are all fixedly installed with fixed block 4, one side of fixed block 4 is detachably connected with connecting bolt 5, the inner side outer surface of fixed block 4 is detachably installed with rammed earth pad body 6, through the cooperation of the use of the upper pad plate 1 of setting, buffer spring 2 and lower pad plate 3, rammed earth pad body 6 is hammered to the rammer, under the action of buffer spring 2, the efficiency of vibration can be reduced, and the effect of deviation can also be reduced, the both sides of upper pad plate 1 and the both sides of lower pad plate 3 are respectively in parallel state, the number of buffer spring 2 is multiple groups, fixed block 4 is set to L type, the number of fixed block 4 is two groups, one side of connecting bolt 5 penetrates the inner chamber of fixed block 4 and is detachably connected with one side of rammed earth pad body 6, rammed earth pad body 6 is located at the lower end of lower pad plate 3, through setting fixed block 4 and connecting bolt 5, rammed earth pad is fixedly connected, so that rammed earth pad is disassembled and replaced, first, rammed earth pad body 6 is placed in the inner side of fixed block 4, then rammed earth pad body 6 and fixed block 4 are fixedly connected through connecting bolt 5, so that rammed earth pad is stably connected with the lower end of lower pad plate 3.
[0023] In the embodiment, as Figure 4As shown, the rammed earth pad body 6 includes a vertical grid layer 601, a wear-resistant layer 602, a tensile layer 603, a non-woven fabric layer 604, a plastic wire layer 605 and a rammed earth pad base layer 606, the lower end outer surface of the vertical grid layer 601 is fixedly installed with the wear-resistant layer 602, the lower end outer surface of the wear-resistant layer 602 is fixedly installed with the tensile layer 603, the lower end outer surface of the tensile layer 603 is fixedly installed with the non-woven fabric layer 604, the lower end outer surface of the non-woven fabric layer 604 is fixedly installed with the plastic wire layer 605, and the lower end outer surface of the plastic wire layer 605 is fixedly installed with the rammed earth pad base layer 606, and the vertical grid layer 601 is located at the lower end of the lower base plate 3, the wear-resistant layer 602 is arranged, the wear resistance of the surface of the rammed earth pad is improved, the service life of the rammed earth pad is prolonged, the non-woven fabric layer 604 is arranged, the water absorption of loess can be improved, and small particle substances can be prevented from being taken away by water flow, the tensile layer 603 is arranged, the tensile property of the rammed earth pad is improved, and the plastic wire layer 605 is arranged, water in the lower layer can be rapidly inverted to the upper layer, so that the lower layer will not form a new silt layer to affect the bottom protection effect.
[0024] Working principle:
[0025] The upper pad 1, the buffer spring 2 and the lower base plate 3 are used in cooperation, so that the rammer is convenient for hammering the rammed earth pad body 6, the buffer spring 2 can reduce the efficiency of vibration and also can reduce the effect of deviation, the fixed block 4 and the connecting bolt 5 are arranged, so that the rammed earth pad is conveniently fixed and connected, thereby facilitating disassembly and replacement of the rammed earth pad, the rammed earth pad body 6 is placed in the inner side of the fixed block 4, then the rammed earth pad body 6 and the fixed block 4 are fixedly connected through the connecting bolt 5, so that the rammed earth pad is stably connected to the lower end of the lower base plate 3, the wear-resistant layer 602 is arranged, the wear resistance of the surface of the rammed earth pad is improved, the service life of the rammed earth pad is prolonged, the non-woven fabric layer 604 is arranged, the water absorption of loess can be improved, and small particle substances can be prevented from being taken away by water flow, the tensile layer 603 is arranged, the tensile property of the rammed earth pad is improved, and the plastic wire layer 605 is arranged, water in the lower layer can be rapidly inverted to the upper layer, so that the lower layer will not form a new silt layer to affect the bottom protection effect.
[0026] Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
Claims
1. A collapsible loess rammed earth pad, comprising an upper pad (1), characterized in that: Buffer springs (2) are fixedly mounted on both sides of the outer surface of the lower end of the upper pad (1), a lower pad (3) is fixedly mounted on the outer surface of the lower end of the buffer spring (2), and fixed blocks (4) are fixedly mounted on both sides of the outer surface of the lower end of the lower pad (3).
2. The collapsible loess rammed earth pad according to claim 1, characterized in that: A connecting bolt (5) is detachably connected to one side of the fixing block (4), and a rammed earth pad body (6) is detachably mounted on the inner and outer surfaces of the fixing block (4).
3. The collapsible loess rammed earth pad according to claim 2, characterized in that: The rammed earth pad body (6) comprises a vertical grid layer (601), a wear-resistant layer (602), a tensile layer (603), a non-woven fabric layer (604), a plastic filament layer (605) and a rammed earth pad base layer (606); the wear-resistant layer (602) is fixedly mounted on the outer surface of the lower end of the vertical grid layer (601); the tensile layer (603) is fixedly mounted on the outer surface of the lower end of the wear-resistant layer (602); the non-woven fabric layer (604) is fixedly mounted on the outer surface of the lower end of the non-woven fabric layer (604); and the rammed earth pad base layer (606) is fixedly mounted on the outer surface of the lower end of the plastic filament layer (605).
4. The collapsible loess rammed earth pad according to claim 1, characterized in that: The two sides of the upper pad (1) and the two sides of the lower pad (3) are respectively in a parallel state, and the buffer springs (2) are provided in multiple groups.
5. The collapsible loess rammed earth pad according to claim 2, characterized in that: The fixing blocks (4) are arranged in an L-shape, and the number of the fixing blocks (4) is two groups.
6. The collapsible loess rammed earth pad according to claim 2, characterized in that: One side of the connecting bolt (5) passes through the inner cavity of the fixing block (4) and is detachably connected to one side of the rammed earth pad body (6), and the rammed earth pad body (6) is located at the lower end of the lower pad (3).
7. The collapsible loess rammed earth pad according to claim 3, characterized in that: The vertical grid layer (601) is located at the lower end of the lower pad (3).