Cement stabilized macadam base for expressway
By introducing a channel design with crossbeams and longitudinal beams into the cement-stabilized crushed stone base course of highways, the problem of rainwater drainage was solved, the drainage and heat dissipation performance of the base course was enhanced, and the safety and stability of the road were improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-26
- Publication Date
- 2026-03-27
AI Technical Summary
The existing cement-stabilized crushed stone base course of highways cannot quickly drain rainwater, causing water accumulation that affects drivers' visibility and increases the risk of traffic accidents.
A base structure including an upper base structure and a lower base structure was designed. The crossbeams and longitudinal beams are equipped with channels and holes. Rainwater is quickly discharged through the inlet channel, support columns and outlet channel. The overall strength and drainage effect are enhanced by combining the grid frame and cement board.
It enables rapid drainage of rainwater, reduces the impact of water accumulation, improves the drainage and heat dissipation performance of the base layer, reduces the effect of thermal expansion and contraction, and improves road safety.
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Figure CN224047842U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the base layer technical field, especially a highway cement stabilized macadam base layer. BACKGROUND
[0002] As one of the important base layers of the highway, the cement stabilized macadam base layer technology plays a key role in guaranteeing the road structure strength, durability and overall performance, by adding an appropriate amount of cement in the macadam, realizing the hydraulic hardening reaction of Portland cement, and enhancing the overall structural performance of the base layer.
[0003] Chinese patent authorization announcement number: CN220685645U provides a kind of cement stabilized macadam base layer, the scheme " relates to municipal engineering technical field, including super-thick upper base layer, super-thick lower base layer and cement slurry, cement slurry is located between super-thick upper base layer and super-thick lower base layer, super-thick upper base layer is located at the bottom of cement slurry, several T-shaped reinforcing bars are embedded in super-thick upper base layer, several T-shaped reinforcing bars are arranged in grid shape in order, steel mesh is embedded in the inside of cement slurry, the top of T-shaped reinforcing bar passes through the mesh hole of steel mesh. By embedding several T-shaped reinforcing bars in super-thick upper base layer, and making the top of T-shaped reinforcing bar protrude, it can extend into super-thick lower base layer and cement slurry to enhance the tightness of the contact of the three, so that the stability of the three when forming an integral whole is improved, the inside of cement slurry is embedded with steel mesh, which can further enhance the stability of the structure of cement slurry, so that the connection effect of cement slurry between super-thick upper base layer and super-thick lower base layer is better. "
[0004] The above-mentioned base layer mainly innovates the strength of the base layer, although the strength of the base layer is strengthened, but rainwater on the base layer cannot be quickly removed, and the highway constructed in the rainy season area will be often affected by rainwater. Rainwater on the highway cannot be quickly removed and will form water accumulation, which will affect the driver's vision and easily lead to traffic accidents.
[0005] Based on this, the utility model discloses a kind of highway cement stabilized macadam base layer to solve above-mentioned problem UTILITY MODEL CONTENT
[0006] In view of the above or the problem that rainwater on the highway cannot be quickly removed in prior art, the utility model is proposed.
[0007] Therefore, the purpose of the utility model is to provide a kind of highway cement stabilized macadam base layer.
[0008] To solve the above technical problems, the utility model provides the following technical scheme: including upper base layer mechanism and the lower base layer mechanism below upper base layer mechanism, the lower end of the upper base layer mechanism is provided with beam mechanism, the upper end of the lower base layer mechanism is provided with longitudinal beam mechanism;
[0009] The cross beam mechanism comprises a cross beam body, a support hole column is arranged at the lower end of the cross beam body, a water inlet groove is formed in the inside of the support hole column, and a top groove is arranged at the upper end of the cross beam body.
[0010] The lower base layer mechanism comprises a lower base layer body, and a water leakage groove is formed in the inside of the lower base layer body.
[0011] The longitudinal beam mechanism comprises a longitudinal beam body, a water outlet groove is formed in the inside of the longitudinal beam body, and a butt joint groove is formed at the upper end of the longitudinal beam body.
[0012] As a preferred scheme of the highway cement stabilized macadam base, the upper cement plate is arranged at the lower end of the upper base layer mechanism, and the net rack is arranged at the lower end of the upper cement plate.
[0013] As a preferred scheme of the highway cement stabilized macadam base, the lower cement plate is arranged at the lower end of the net rack, and the lower cement plate is arranged at the upper end of the lower base layer mechanism.
[0014] As a preferred scheme of the highway cement stabilized macadam base, the upper base layer mechanism comprises an upper base layer body, and front and rear sealing plates are arranged at the lower end of the upper base layer body.
[0015] As a preferred scheme of the highway cement stabilized macadam base, the upper limiting block is arranged at the upper end of the cross beam body, and the support hole column is arranged in the butt joint groove.
[0016] As a preferred scheme of the highway cement stabilized macadam base, the side sealing plate is arranged at the upper end of the lower base layer body, and a vertical groove is formed in the inside of the water leakage groove.
[0017] As a preferred scheme of the highway cement stabilized macadam base, the lower limiting block is arranged at the lower end of the longitudinal beam body, and a bottom groove is formed at the lower end of the longitudinal beam body.
[0018] The highway cement stabilized macadam base has the advantages that the longitudinal beam body is fixed at the upper end of the lower base layer body, the cross beam body is fixed at the lower end of the upper base layer body, the upper base layer body and the lower base layer body are combined, the support hole column supports between the two base layers, when rainwater penetrates into the upper base layer, the rainwater enters the inside of the cross beam body through the water inlet groove and the top groove, then is drained to the longitudinal beam body through the support hole column, and finally is discharged from the base layer system through the water leakage groove and the water outlet groove, so that the drainage effect of the base layer is improved, and the drainage channel is used for heat dissipation in sunny days, so that the thermal expansion and cold contraction effect of the base layer structure is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.
[0020] Figure 1 It is a schematic diagram of the overall structure of a cement stabilized macadam base of a highway.
[0021] Figure 2 It is a schematic diagram of the explosion structure of a cement stabilized macadam base of a highway.
[0022] Figure 3 It is a schematic diagram of the side section structure of a cement stabilized macadam base of a highway.
[0023] Figure 4 It is a schematic diagram of the cross beam mechanism combination structure of a cement stabilized macadam base of a highway.
[0024] Figure 5 It is a schematic diagram of the cross beam mechanism structure of a cement stabilized macadam base of a highway.
[0025] Figure 6 It is a schematic diagram of the lower base mechanism structure of a cement stabilized macadam base of a highway.
[0026] Figure 7 It is a schematic diagram of the longitudinal beam mechanism structure of a cement stabilized macadam base of a highway.
[0027] Legend: 1, upper base mechanism; 2, cross beam mechanism; 3, lower base mechanism; 4, longitudinal beam mechanism; 5, upper cement plate; 6, net rack; 7, lower cement plate; 11, upper base body; 12, front and rear sealing plate; 21, cross beam body; 22, water inlet groove; 23, top groove; 24, support hole column; 25, upper limiting block; 31, lower base body; 32, water leakage groove; 33, side sealing plate; 34, vertical groove; 41, longitudinal beam body; 42, water outlet groove; 43, butt joint groove; 44, bottom groove; 45, lower limiting block. DETAILED DESCRIPTION
[0028] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.
[0029] Many specific details are set forth in the following description in order to provide a thorough understanding of the present application. However, the present application can be practiced according to other embodiments that can not be described in detail herein, and the present application is not limited to the embodiments described herein. In other instances, well-known structures and functions have not been described in detail in order to avoid obscuring the present application.
[0030] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent or alternative to other embodiments.
[0031] Embodiment 1, refer to Figures 1 to 7 As the first embodiment of the present application, the embodiment provides a highway cement stabilized macadam base, which can realize the effect of quickly removing rainwater, and has the advantages of
[0032] Specifically, it comprises an upper base layer mechanism 1 and a lower base layer mechanism 3 below the upper base layer mechanism 1, and the lower end of the upper base layer mechanism 1 is provided with a cross beam mechanism 2, and the upper end of the lower base layer mechanism 3 is provided with a longitudinal beam mechanism 4.
[0033] The cross beam mechanism 2 comprises a cross beam main body 21, the lower end of the cross beam main body 21 is provided with a support hole column 24, the inside of the cross beam main body 21 is provided with a water inlet groove 22, and the upper end is provided with a top groove 23.
[0034] The lower base layer mechanism 3 comprises a lower base layer main body 31, and the inside of the lower base layer main body 31 is provided with a water leakage groove 32.
[0035] The longitudinal beam mechanism 4 comprises a longitudinal beam main body 41, the inside of the longitudinal beam main body 41 is provided with a water outlet groove 42, and the upper end of the longitudinal beam main body 41 is provided with a butt joint groove 43.
[0036] Further, the lower end surface of the upper base layer mechanism 1 is embedded with a plurality of cross beam mechanisms 2, the upper end of the lower base layer mechanism 3 is embedded with a plurality of longitudinal beam mechanisms 4, the lower ends of the plurality of cross beam main bodies 21 are uniformly distributed with support hole columns 24 at a predetermined interval, the inside of the plurality of cross beam main bodies 21 is provided with water inlet grooves 22 at the middle position, the plurality of water inlet grooves 22 are connected with the holes on the plurality of support hole columns 24 respectively, the upper end surface of the plurality of cross beam main bodies 21 is provided with top grooves 23, the plurality of top grooves 23 are connected with the plurality of water inlet grooves 22 respectively, three water leakage grooves 32 are provided at the lower side position in the inside of the lower base layer main body 31, the three water leakage grooves 32 penetrate through the two sides of the lower layer main body, the lower side position in the inside of the plurality of longitudinal beam main bodies 41 is provided with water outlet grooves 42, the plurality of water outlet grooves 42 penetrate through the front end and the rear end of the longitudinal beam main body 41, and the upper end surface of the plurality of longitudinal beam main bodies 41 is uniformly distributed with butt joint grooves 43 at a predetermined interval.
[0037] Specifically, the upper end of the cross beam body 21 is provided with an upper limiting block 25, and the support hole column 24 is arranged inside the butt joint groove 43.
[0038] Further, the front side and the rear side of the upper end surface of the plurality of cross beam bodies 21 are fixedly provided with upper limiting blocks 25, and the plurality of support hole columns 24 are respectively embedded in the plurality of butt joint grooves 43.
[0039] Specifically, the upper end of the lower base layer body 31 is provided with a side sealing plate 33, and the inside of the water leakage groove 32 is provided with a vertical groove 34.
[0040] Further, the two sides of the upper end surface of the lower base layer body 31 are fixedly provided with side sealing plates 33, and the inside of the three water leakage grooves 32 is provided with a vertical groove 34.
[0041] Specifically, the lower end of the longitudinal beam body 41 is provided with a lower limiting block 45, and the lower end of the longitudinal beam body 41 is provided with a bottom groove 44.
[0042] Further, the front side and the rear side of the lower end surface of the plurality of longitudinal beam bodies 41 are fixedly provided with lower limiting blocks 45, the lower end surface of the plurality of longitudinal beam bodies 41 is provided with a bottom groove 44, and the plurality of bottom grooves 44 are respectively connected with the plurality of water outlet grooves 42.
[0043] In use, first lay the lower base layer mechanism 3, open the water leakage groove 32 on the lower base layer body 31, then bury the longitudinal beam mechanism 4 on the upper end of the lower base layer mechanism 3, and set the lower limiting block 45 at the lower end of the longitudinal beam body 41 to increase the stability of the longitudinal beam body 41 inside the lower base layer body 31, and set the butt joint groove 43 at the upper end of the longitudinal beam body 41, place the cross beam mechanism 2 above the longitudinal beam mechanism 4, put the support hole column 24 below the cross beam body 21 into the butt joint groove 43, then lay the upper base layer mechanism 1 above the cross beam body 21, set the upper limiting block 25 on the cross beam body 21 to increase the stability of the cross beam body 21 on the upper base layer body 11, and through the laying of the upper base layer body 11 and the lower base layer body 31 on the two sides and the front and rear positions, the unconnected positions form front and rear and side sealing plates 33, forming overall connection, water penetrates the upper base layer mechanism 1 to the position of the cross beam body 21, water passes through the top groove 23 on the cross beam body 21 to the water inlet groove 22 position, then passes through the hole connected below the water inlet groove 22, and then flows into the longitudinal beam body 41 through the support hole column 24, and finally is discharged from the water outlet groove 42, and in sunny weather, the drainage channel has no water discharge, which can be used for heat dissipation to reduce the influence of thermal expansion and cold contraction on the roadbed.
[0044] In summary, water passes through the top groove 23 and the water inlet groove 22 on the cross beam body 21, flows to the support hole column 24, enters the water outlet groove 42 of the longitudinal beam body 41, and then is discharged from the water outlet groove 42 to the ground, accelerating the drainage of water on the highway, and the drainage channel can be used for heat dissipation in high temperature to reduce the influence of thermal expansion and cold contraction.
[0045] Embodiment 2, reference Figures 1 to 3 , the utility model discloses a second embodiment, this embodiment provides a highway cement stabilized macadam base, which comprises a lower base layer mechanism 3, a longitudinal beam mechanism 4 is arranged on the lower base layer mechanism 3, a horizontal beam mechanism 2 is arranged on the longitudinal beam mechanism 4, and an upper base layer mechanism 1 is arranged on the horizontal beam mechanism 2.
[0046] Specifically, the upper cement plate 5 is arranged at the lower end of the upper base layer mechanism 1, and the net rack 6 is arranged at the lower end of the upper cement plate 5.
[0047] Further, the upper cement plate 5 is arranged between the upper base layer mechanism 1 and the net rack 6.
[0048] Specifically, the lower cement plate 7 is arranged at the lower end of the net rack 6, and the lower cement plate 7 is arranged at the upper end of the lower base layer mechanism 3.
[0049] Further, the lower cement plate 7 is arranged between the net rack 6 and the lower base layer mechanism 3.
[0050] Specifically, the upper base layer mechanism 1 comprises an upper base layer body 11, and the front and rear sealing plates 12 are arranged at the lower end of the upper base layer body 11.
[0051] Further, the front and rear sealing plates 12 are fixedly arranged at the front side and the rear side of the lower end surface of the upper base layer body 11.
[0052] In use, first, the lower base layer mechanism 3 is laid, then the longitudinal beam mechanism 4 is installed, then the lower cement plate 7 is laid, then the net rack 6 is placed to lay the upper cement plate, then the horizontal beam mechanism 2 is placed to lay the upper base layer mechanism 1, and the upper base layer body 11 and the lower base layer body 31 are not connected at the periphery to form the front and rear sealing plates 12, and the support column 24 of the horizontal beam body 21 penetrates the upper cement plate 5, the net rack 6 and the lower cement plate 7.
[0053] In summary, the upper base layer mechanism 1 and the lower base layer mechanism 3 form the main body, the lower cement plate 7 and the upper cement plate 5 are arranged between the two base layer mechanisms, and the net rack 6 is arranged between the two cement plates, so that the strength of the base layer is higher, and the front and rear sealing plates 12 below the upper base layer body 11 are arranged to control the outer end, thereby improving the integrity.
[0054] It should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model and are not limited, and although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the utility model, and they should be covered in the scope of claims of the utility model.
Claims
1. A highway cement stabilized macadam base, comprising an upper base layer mechanism (1) and a lower base layer mechanism (3) below the upper base layer mechanism (1), characterized in that: The upper base layer mechanism (1) is provided with a cross beam mechanism (2) at the lower end, and the lower base layer mechanism (3) is provided with a longitudinal beam mechanism (4) at the upper end. The cross beam mechanism (2) comprises a cross beam body (21), which is provided with a support column (24) at the lower end, an inner water inlet groove (22) is arranged in the support column (24), and a top groove (23) is arranged at the upper end. The lower base layer mechanism (3) comprises a lower base layer body (31), and a water leakage groove (32) is arranged in the lower base layer body (31). The longitudinal beam mechanism (4) comprises a longitudinal beam body (41), and a water outlet groove (42) is arranged in the longitudinal beam body (41).
2. The highway cement stabilized macadam base as claimed in claim 1, characterized in that: The upper base layer mechanism (1) is provided with an upper cement plate (5) at the lower end, and the upper cement plate (5) is provided with a net rack (6) at the lower end.
3. A cement treated aggregate base for a highway as claimed in claim 2, wherein: The net rack (6) is provided with a lower cement plate (7) at the lower end, and the lower cement plate (7) is arranged at the upper end of the lower base layer mechanism (3).
4. The highway cement stabilized macadam base as claimed in claim 3, characterized in that: The upper base layer mechanism (1) comprises an upper base layer body (11), and the upper base layer body (11) is provided with front and rear sealing plates (12) at the lower end.
5. A cement treated aggregate base for a highway as claimed in claim 4 wherein: The cross beam body (21) is provided with an upper limiting block (25) at the upper end, and the support column (24) is arranged in the butt joint groove (43).
6. A cement treated aggregate base for a highway as claimed in claim 5 wherein: The lower base layer body (31) is provided with a side sealing plate (33) at the upper end, and a vertical groove (34) is arranged in the water leakage groove (32).
7. A cement treated aggregate base for a highway as claimed in claim 6 wherein: The longitudinal beam body (41) is provided with a lower limiting block (45) at the lower end, and a bottom groove (44) is arranged at the lower end of the longitudinal beam body (41).
Citation Information
Patent Citations
Cement stabilized macadam base
CN220685645U