Prefabricated side ditch structure

Abstract

The utility model discloses a prefabricated side ditch structure which is structurally characterized in that the prefabricated side ditch structure comprises a prefabricated side ditch body, the prefabricated side ditch body comprises a ditch bottom and ditch walls, the number of the ditch walls is two, and the two ditch walls are symmetrically connected to the two sides of the ditch bottom and extend in the length direction of the ditch bottom; a hole structure is reserved in the ditch wall, close to the crushing table, of the two ditch walls, a drainage blind ditch is arranged below the ditch bottom, and the drainage blind ditch extends in the length direction of the ditch bottom. The side ditch structure can effectively solve the problems that side ditch construction cannot be normally carried out in the southern flood season and rainy season, the situation that a broken falling platform is scoured and emptied, consequently, the side wall of the inner side of the side ditch in the later period is prone to damage, the roadbed structure is prone to being affected by the high underground water level, and the later maintenance cost is high.

Description

Technical Field

[0001] The utility model relates to the field of road engineering, in particular to a prefabricated side ditch structure. Background Art

[0002] The southern region has abundant rainfall, a long rainy season, and a distinct flood season, which requires that the construction of the road cutting ditch be completed quickly and a drainage system be formed in time to ensure the quality of the project construction. Since the slopes and the broken platform are mainly soil, they are not resistant to scouring, and it is easy to hollow out the broken platform and the foot of the slope, resulting in the inability to drain the rainwater in time. The rainwater in the pits of the broken platform inside the ditch cannot be dissipated and discharged in time, and is easily washed away; and the high groundwater level is also easy to affect the roadbed structure. Therefore, it is necessary to ensure the quality and quantity during the flood season, and to complete the ditch construction efficiently and quickly. At the same time, it is also necessary to take into account the smooth drainage at the broken platform position, so as not to affect the use function of the ditch. On this basis, it is necessary to isolate the adverse effects of groundwater to effectively ensure the quality and safety of later operation.

[0003] The main construction process of traditional road cutting ditches is: ditch position setting, pit excavation, pit compaction and finishing, formwork, ditch body concrete pouring, ditch body maintenance and expansion joint treatment. This series of construction process cycles is too long, and the concrete ditch body curing takes about 14 to 21 days to reach the required design strength. At the same time, in the scenario where the total length of the road cutting ditch is too long, the time required for formwork, concrete pouring and curing has a time continuity limit, so it cannot be normally met during the flood season, which affects the quality of the ditch body and the normal progress of the next process. Utility Model Content

[0004] The utility model aims to provide a prefabricated ditch structure in rainy areas, which effectively solves the problem that the ditch construction cannot be carried out normally during the flood season and rainy season in the south, and effectively alleviates the problem that the debris platform is eroded and hollowed out, resulting in the inner side wall of the ditch being easily damaged in the later period, and the high groundwater level easily affects the roadbed structure and the high maintenance cost in the later period.

[0005] The purpose of the utility model is achieved through the following technical solutions:

[0006] A prefabricated ditch structure, whose structural features are: comprising a prefabricated ditch body, the prefabricated ditch body comprising a ditch bottom and a ditch wall, the ditch walls being provided with two, the two ditch walls being symmetrically connected on both sides of the ditch bottom and extending along the length direction of the ditch bottom; a hole structure is reserved on one of the two ditch walls close to the crushing platform, a drainage blind ditch is provided below the ditch bottom, and the drainage blind ditch is extended along the length direction of the ditch bottom.

[0007] Furthermore, the hole structure is located at a height position on the ditch wall close to at least two-thirds of the distance from the ditch bottom, which can ensure that the water flowing in the ditch is not easy to flow back and facilitate the construction of drainage pipes on site.

[0008] Furthermore, the diameter of the hole structure is 6 to 10 cm.

[0009] Furthermore, a drainage pipe is provided in the hole structure, and an end of the drainage pipe is buried in the debris platform.

[0010] Furthermore, the hole structure is configured to be non-horizontal, and the height of the outer side of the hole structure is slightly higher than the height of the inner side of the hole structure.

[0011] Furthermore, the height of the end of the drain pipe is slightly higher than the height of the hole structure.

[0012] Furthermore, the length of the drainage pipe is ≥80cm, the drainage pipes are arranged at intervals in the length direction of the ditch bottom, the distance between two adjacent drainage pipes is greater than or equal to 3m, and the circumference and ends of the drainage pipes are wrapped with geotextiles.

[0013] Furthermore, the drainage blind ditch is covered with geotextile, and a drainage pipe is arranged in the drainage blind ditch.

[0014] Furthermore, the prefabricated side ditch body is formed by splicing prefabricated blocks of the same size, and a hole structure is reserved on the part of the prefabricated blocks spliced ​​into the ditch wall for installing a drainage pipe.

[0015] Furthermore, the prefabricated blocks are C20 concrete prefabricated blocks with dimensions of 19 cm in length × 19 cm in width × 9 cm in thickness. 1 cm thick M7.5 cement mortar is used for masonry between the prefabricated blocks, and the prefabricated blocks are spliced ​​with staggered overlap.

[0016] The beneficial effects of the utility model are:

[0017] The prefabricated side ditch structure of the utility model is suitable for rainy areas, and can effectively solve the problem of limited normal construction of the side ditch during the flood season, alleviate the scouring and hollowing of the debris platform, and avoid damage to the inner side wall of the side ditch. The drainage blind ditch can effectively prevent groundwater from affecting the roadbed structure, and provide a drainage path for infiltration after the debris platform is scoured and hollowed out, effectively ensuring overall control. At the same time, the prefabricated side ditch structure has obvious advantages in economy, construction convenience, construction period and later maintenance management. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a cross-sectional view of the prefabricated side ditch structure of the utility model.

[0019] Figure 2It is a schematic diagram of the prefabricated block splicing method of the utility model.

[0020] Figure 3 yes Figure 2 AA section view.

[0021] Figure 4 yes Figure 2 BB cross-sectional view.

[0022] Figure 5 It is a structural schematic diagram of a single prefabricated block of the utility model.

[0023] In the figure: 1- ditch bottom; 2- ditch wall; 3- hole structure; 4- drainage blind ditch; 5- drain pipe; 6- drainage pipe; 7- earth shoulder; 8- debris platform; 9- slope; 10- cement mortar. DETAILED DESCRIPTION

[0024] The following is a specific embodiment of the present invention, which will be further described in conjunction with the accompanying drawings.

[0025] A prefabricated gutter structure, such as Figure 1 As shown, it includes a prefabricated side ditch body, which includes a ditch bottom 1 and a ditch wall 2. There are two ditch walls 2, which are symmetrically connected to both sides of the ditch bottom 1 and extend along the length direction of the ditch bottom 1; one of the two ditch walls 2 near the crushing platform 8 is reserved with a hole structure 3, and the hole structure 3 is used to install a drain pipe 5. A drainage blind ditch 4 is provided below the ditch bottom 1, and the drainage blind ditch 4 is extended along the length direction of the ditch bottom 1.

[0026] Combination Figure 2 The height position of the hole structure 3 on the ditch wall 2 is located at least two-thirds of the distance from the ditch bottom 1 on the ditch wall 2, which can ensure that the regular water in the ditch is not easy to flow back, and can facilitate the construction of the drainage pipe on site. The diameter of the hole structure 3 is 6 to 10 cm. In order to solve the problems that the broken platform 8 is easily eroded and hollowed out, resulting in damage to the side ditch 9 and poor drainage, a drainage pipe 5 is penetrated in the hole structure 3. The length of the drainage pipe 5 is ≥80 cm, and the drainage pipe 5 is arranged at intervals in the length direction of the ditch bottom 1. The spacing between two adjacent drainage pipes 5 is greater than or equal to 3m, and the diameter of the drainage pipe 5 is preferably 8 cm. After the prefabricated blocks are assembled to complete the ditch bottom 1 and ditch wall 2 structures, the drainage pipe 5 is inserted into the reserved hole structure 3, and the pores are filled with mortar. The end of the drainage pipe 5 is buried in the broken platform 8, and the height of the end of the drainage pipe 5 is slightly higher than the height of the hole structure 3, which is convenient for timely drainage. The pipe wall of the drainage pipe 5 is provided with flower holes, and the pipe periphery and end portions are wrapped with geotextile to prevent sediment loss and blockage of the drainage pipe 5 .

[0027] The drainage blind ditch 4 is wrapped with geotextile, and a drainage pipe 6 is arranged inside the drainage blind ditch 4, which can effectively prevent groundwater from affecting the roadbed structure and provide a drainage path for infiltration after the debris platform 8 is eroded and hollowed out, effectively ensuring overall control.

[0028] Combination Figure 2 , Figure 3 , Figure 4 In order to prefabricate the prefabricated side ditch body in large quantities and save the number of templates, the prefabricated side ditch body is spliced ​​with prefabricated blocks of the same size, and a hole structure is reserved on the part of the prefabricated blocks spliced ​​in the ditch wall for installing the drainage pipe 5, which is convenient for the subsequent construction of the drainage pipe 5. Figure 5 The prefabricated blocks are C20 concrete prefabricated blocks with the dimensions of 19cm long × 19cm wide × 9cm thick. The prefabricated blocks are built with 1cm thick M7.5 cement mortar, and the prefabricated blocks are spliced ​​with staggered overlap. The prefabricated blocks of the same size are spliced ​​together, which makes it convenient to produce large quantities of the side ditch body, and the time and cost can be controlled. Since all aspects of the prefabrication site can well meet the prefabrication of the side ditch body, the curing of the prefabricated side ditch body can also be completed in the prefabrication site, and the relevant testing procedures can be completed at the same time, saving manpower and material resources.

[0029] The prefabricated side ditch structure of the utility model is suitable for rainy areas, and can effectively solve the problem of limited normal construction of the side ditch during the flood season, alleviate the scouring and hollowing of the debris platform, and avoid damage to the inner side wall of the side ditch. The drainage blind ditch can effectively prevent groundwater from affecting the roadbed structure, and provide a drainage path for infiltration after the debris platform is scoured and hollowed out, effectively ensuring overall control. At the same time, the prefabricated side ditch structure has obvious advantages in economy, construction convenience, construction period and later maintenance management.

Claims

1. A prefabricated ditch structure, characterized in that: It comprises a prefabricated side ditch body, wherein the prefabricated side ditch body comprises a ditch bottom and a ditch wall, wherein the ditch walls are two, and the two ditch walls are symmetrically connected to the two sides of the ditch bottom and extend along the length direction of the ditch bottom; A hole structure is reserved on one of the two ditch walls close to the crushing platform, and a drainage blind ditch is provided below the ditch bottom, and the drainage blind ditch is extended along the length direction of the ditch bottom.

2. The prefabricated gutter structure according to claim 1, characterized in that: The height position of the hole structure on the groove wall is located close to at least two-thirds of the distance from the groove bottom on the groove wall.

3. The prefabricated gutter structure according to claim 1, characterized in that: The diameter of the hole structure is 6 to 10 cm.

4. The prefabricated gutter structure according to claim 1, characterized in that: A drainage pipe is passed through the hole structure, and the end of the drainage pipe is buried in the debris platform.

5. The prefabricated gutter structure according to claim 4, characterized in that: The hole structure is arranged to be non-horizontal, and the height of the outer side of the hole structure is slightly higher than the height of the inner side of the hole structure.

6. The prefabricated gutter structure according to claim 4, characterized in that: The height of the end of the drain pipe is slightly higher than the height of the hole structure.

7. The prefabricated gutter structure according to claim 4, characterized in that: The length of the drainage pipe is ≥80cm, the drainage pipes are arranged at intervals in the length direction of the ditch bottom, the distance between two adjacent drainage pipes is greater than or equal to 3m, and the pipe circumference and ends of the drainage pipe are wrapped with geotextile.

8. The prefabricated gutter structure according to claim 1, characterized in that: The drainage blind ditch is covered with geotextile, and a drainage pipe is arranged in the drainage blind ditch.

9. The prefabricated side ditch structure according to any one of claims 1 to 8, characterized in that: The prefabricated side ditch body is formed by splicing prefabricated blocks of the same size, and a hole structure is reserved on the part of the prefabricated blocks spliced ​​in the ditch wall for installing a drainage pipe.

10. The prefabricated gutter structure according to claim 9, characterized in that: The prefabricated blocks are C20 concrete prefabricated blocks with dimensions of 19 cm in length×19 cm in width×9 cm in thickness. The prefabricated blocks are laid with 1 cm thick M7.5 cement mortar, and the prefabricated blocks are spliced ​​with staggered overlap.

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