Highway slope roadbed structure based on foam light soil

Abstract

The utility model provides an expressway slope roadbed structure based on foam light soil, which comprises a vertical plate, an anchor rod is arranged on one side of the vertical plate, and the vertical plate is connected with a foundation of an expressway through the anchor rod; the supporting frame is formed by mutually inserting and connecting L-shaped supports, the L-shaped supports are mutually inserted and connected into a row to form a single-row structure, and the single-row structure is mutually lapped to form a layered supporting layer; the supporting frame is formed by mutually overlapping layered supporting layers, and one side of the supporting frame is lapped on the vertical plate; the outer protection plate is connected with the side, away from the vertical plate, of the supporting frame, and the area between the outer protection plate and the vertical plate is filled with foam light materials. According to the utility model, the supporting frame is constructed through the L-shaped supports, and the supporting frame is filled with the foam light material to form an integral structure, so that the overall structural strength in the highway slope roadbed is enhanced, and the requirement of supporting the foundation and reducing the bearing capacity of the foundation is met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to highway slope subgrade technical field especially relates to a highway slope subgrade structure based on foamed lightweight soil. BACKGROUND

[0002] The subgrade slope of highway can be influenced by climate condition, geological structure and external force destruction and other factors, and problems such as collapse or crack appear.If such problems cannot be solved in time and effectively, not only the damage of highway subgrade is caused further, but also the cracking and depression of highway pavement are caused, which seriously influence driving experience and driving safety.

[0003] Therefore, the highway slope subgrade structure with great structural strength needs to be constructed, foamed lightweight soil is a new lightweight building material containing a large number of closed pores, which is formed by the full foaming of foaming agent by mechanical method through the foaming system of bubble machine, the uniform mixing of foam and cement paste, and the in-situ construction or mold forming through the pumping system of foaming machine and natural curing, and the material structure is light, which can reduce the load of highway slope subgrade structure on foundation and delay the development of settlement, but the structural strength of foamed lightweight soil is insufficient after pouring and forming, and the need of highway slope subgrade to structural strength cannot be met. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a highway slope subgrade structure based on foamed lightweight soil, which aims at solving the problem that the strength of foamed lightweight soil can reduce the overall load and reduce the need of foundation bearing, but the structural strength is insufficient after pouring and forming, and the need of highway slope subgrade to structural strength cannot be met.

[0005] The utility model is realized in this way, a highway slope subgrade structure based on foamed lightweight soil, comprising:

[0006] The vertical plate is connected to the foundation of highway through anchor rod on one side;

[0007] The support frame is formed by the mutual plug-in connection of L-shaped supports, the L-shaped supports are mutually plugged in a row to form a single-row structure, and the single-row structures are mutually overlapped to form a layered support layer; the support frame is formed by the mutual superposition of the layered support layers, and one side of the support frame is overlapped on the vertical plate;

[0008] The outer guard plate is connected to the side of the support frame away from the vertical plate, and the area between the outer guard plate and the vertical plate is filled with foamed lightweight material.

[0009] Preferably, the side of the support frame away from the vertical plate is a stepped structure.

[0010] Preferably, the L-shaped support is composed of a horizontal plate and a vertical plate which are connected perpendicularly, and the horizontal plate is provided with a lap plate on the side away from the vertical plate, and the horizontal plate and the vertical plate are provided with a lap slot at the vertical connection.

[0011] Preferably, the L-shaped support is composed of a horizontal plate and a vertical plate which are connected perpendicularly, and the horizontal plate is provided with a lap plate on the side away from the vertical plate, and the horizontal plate and the vertical plate are provided with a lap slot at the vertical connection.

[0012] Preferably, the vertical plate is provided with a lap table on the side away from the foundation, and the L-shaped support close to the vertical plate is connected to the lap table through the lap plate.

[0013] Preferably, the horizontal plate is provided with a slot and a block on different end surfaces, and a plurality of L-shaped supports are connected to form a single row structure through the slot and the block.

[0014] Preferably, the horizontal plate and the vertical plate are provided with a material guide hole, and the material guide hole accommodates the foam light material during the filling process.

[0015] Compared with the prior art, the application has the following beneficial effects:

[0016] The highway slope roadbed structure based on foam light soil provided by the utility model constructs a support frame through L-shaped supports, fills the support frame with foam light material to form an integral structure, the support frame inside the vertical plate and the outer guard plate can enhance the overall structural strength of the highway slope roadbed, and the foam light material can reduce the overall load of the roadbed, so that the need for supporting the foundation with the overall structural strength of the highway slope roadbed is met, the need for bearing capacity of the foundation is reduced, and the rate of road surface settlement is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the vertical plate and the L-shaped support of the highway slope roadbed structure based on foam light soil provided by the utility model.

[0018] Figure 2 It is a structure schematic view of the L-shaped support and the lap table of the highway slope roadbed structure based on foam light soil provided by the utility model.

[0019] Figure 3 It is a structure schematic view of the block of the highway slope roadbed structure based on foam light soil provided by the utility model.

[0020] Figure 4 It is a structure schematic view of the highway slope roadbed structure based on foam light soil provided by the utility model.

[0021] Figure 5 is a structural schematic diagram of a highway slope subgrade structure based on foam light soil.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 100, vertical plate; 110, lapping table; 120, anchor rod; 200, L-shaped support; 210, lapping groove; 220, lapping plate; 230, limiting angle groove; 240, limiting plate; 250, material guide hole; 261, insertion slot; 262, insertion block; 300, foam light material; 400, outer protective plate; 500, pavement structure. DETAILED DESCRIPTION

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the description and claims of this application as well as the above discussion of the related art are intended to be illustrative only and not restrictive. The use of the alternative "comprising" and "having" has the same meaning in the context of this application. The use of any of the terms "first", "second", and the like does not imply any particular order but is used for naming purposes only.

[0025] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all directed to the same embodiment, or to a single alternative embodiment.

[0026] The utility model embodiment provides a kind of highway slope subgrade structure based on foam light soil, as shown in Figures 1-5 The highway slope subgrade structure based on foam light soil includes:

[0027] Vertical plate 100, one side of the vertical plate 100 is provided with anchor rod 120, the vertical plate 100 is connected to the foundation by anchor rod 120, the vertical plate 100 is mainly arranged in the vertical arrangement mode on one side of the foundation, and the foundation is supported, and the anchor rod 120 is embedded in the foundation by the prior art mode such as concrete pouring;

[0028] L-shaped support 200, the vertical plate 100 is provided with a lap table 110 away from the foundation side, one end of the L-shaped support 200 is lapped on the lap table 110, and the other side of the L-shaped support 200 away from the lap table 110 is also provided with a lap groove 210, which is used as a continuous lap for other L-shaped supports 200;

[0029] The number of layers of the lap table 110 is not less than one group. If several groups of L-shaped supports 200 are built to form a layer of support, a layer of support is continuously built on the basis of a layer of support, until the height of the support layer maintains a certain height with the foundation.

[0030] The outer protective plate 400 is prefabricated by a mold in advance, connected with the multi-layer support layer to form, and the foamed lightweight material 300 is injected into the area where the multi-layer support layer is located after the connection of the outer protective plate 400 is completed; the connecting piece adopts a metal component in the prior art, mainly providing external support for the injected foamed lightweight material 300, and accelerating the formation and solidification of the foamed lightweight material 300;

[0031] In the present application, the L-shaped support 200 forms a layered support layer structure by building, the L-shaped support 200 is also provided with a limiting angle groove 230 and a limiting plate 240, and the support layers are connected to form a multi-layer superimposed support frame structure through the cooperation of the limiting angle groove 230 and the limiting plate 240; during the lapping process, the outermost support frame adopts a stepped structure; the highway slope subgrade structure based on foamed lightweight soil adopts segmented construction, and the existing formwork is used to support the area between the outer protective plate 400 and the vertical plate 100 at both ends during the filling of the foamed lightweight material 300, and the formwork is removed after the pouring is completed;

[0032] The bolt fixed connection is adopted between the lap table 110 and the L-shaped support 200, and the bolt fixed connection can also be used between different L-shaped supports 200 to improve the connection strength. After the support frame lapping is completed, the foamed lightweight material 300 is filled into the support frame to form an integral structure. The foamed lightweight material 300 fills and wraps the area between the vertical plate 100 and the outer protective plate 400 during the filling process. The support frame inside the vertical plate 100 and the outer protective plate 400 enhances the overall structural strength of the highway slope subgrade. The foamed lightweight material 300 reduces the overall load of the subgrade, meets the need of supporting the foundation while reducing the bearing capacity of the foundation, reduces the rate of road surface settlement, and improves the protection of the road surface.

[0033] As a preferred embodiment in the present embodiment, the L-shaped support 200 is composed of a horizontal plate and a vertical plate connected perpendicularly, the horizontal plate is provided with a lap plate 220 away from the vertical plate, and the horizontal plate and the vertical plate are provided with a lap groove 210 at the perpendicular connection.

[0034] The limiting plate 240 is arranged on one side of the vertical plate, and the limiting angle groove 230 is arranged on the end of the horizontal plate away from the vertical plate;

[0035] The horizontal plate and the vertical plate are both provided with material guiding holes 250 for accommodating the foam lightweight material 300 passing through during filling.

[0036] In the present application, the L-shaped support 200 is first overlapped with the overlapping table 110 on the vertical plate 100, and multiple groups of L-shaped supports 200 can be simultaneously overlapped on the overlapping table 110.

[0037] After the support frame is overlapped, the outer protective plate 400 is arranged obliquely and connected to the support frame, and the foam lightweight material 300 is injected from the gap between the outer protective plate 400 and the vertical plate 100 to form a slope structure.

[0038] It should be noted that, for the foregoing embodiments, in order to simply describe, they are all expressed as a series of action combinations, but those skilled in the art should know that the present application is not limited by the described action sequence, because according to the present application, certain steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the present application.

[0039] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope of the present application.

Claims

1. A highway side slope embankment structure based on foamed lightweight soil, characterized by, Include: The vertical plate is provided with an anchor rod on one side, and the vertical plate is connected to the foundation of the highway through the anchor rod; The support frame is formed by inserting and connecting L-shaped supports, the L-shaped supports are inserted and connected in a row to form a single-row structure, and the single-row structures are overlapped to form a layered support layer; the support frame is formed by stacking the layered support layers, and the support frame is overlapped on the vertical plate on one side; The outer cover plate is connected to the side of the support frame away from the vertical plate, and the area between the outer cover plate and the vertical plate is filled with foam lightweight material.

2. A highway embankment structure based on foamed lightweight soil according to claim 1, characterized in that, The side of the support frame away from the vertical plate is a stepped structure.

3. A highway embankment structure based on foamed lightweight soil according to claim 2, characterized in that, The L-shaped support is composed of a horizontal plate and a vertical plate connected perpendicularly, the horizontal plate is provided with a lap plate on the side away from the vertical plate, and the horizontal plate and the vertical plate are provided with a lap groove at the perpendicular connection.

4. A highway embankment structure based on foam light soil according to claim 3, characterized in that, The L-shaped support is also provided with a limiting plate and a limiting angle groove, the limiting plate is arranged on one side of the vertical plate, and the limiting angle groove is arranged at one end of the horizontal plate away from the vertical plate; when the multiple support layers are stacked, the limiting plate of the support layer in the upper layer is inserted into the limiting angle groove of the support layer in the lower layer.

5. A highway embankment structure based on foamed lightweight soil according to claim 4, characterized in that, The side of the vertical plate away from the foundation is provided with a lap table, and the L-shaped support close to the vertical plate is connected to the lap table through the lap plate.

6. A highway embankment structure based on foam light soil according to claim 5, characterized in that, Different end faces of the horizontal plate are provided with a slot and a plug, and multiple groups of L-shaped supports are inserted and connected in a row to form a single-row structure through the slot and the plug.

7. A highway embankment structure based on foamed lightweight soil according to claim 6, characterized in that, The horizontal plate and the vertical plate are both provided with a material guiding hole, which accommodates the foam lightweight material passing through during the filling process.

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