Small high and steep gully slag blocking structure
Through the slag-blocking structure combined with concrete retaining wall and passive protective net and combined with drainage components, the problem of small high-steep ditch blocking is solved, effective slag-blocking and drainage effect is achieved, and building safety and maintenance convenience are improved.
Patent Information
- Application Number
- CN202422589401.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-10-25
AI Technical Summary
For small high-steep ditches, the existing barrier structure is difficult to effectively protect the impact of water flow and mudslides, especially when the ditches are small and high and steep, the traditional barrier measures are poor in effect or require a higher height to be effective, and it is difficult to take into account both barrier and drainage.
A slag-blocking structure is adopted that combines a concrete retaining wall and a passive protective net. The concrete retaining wall is equipped with drainage holes and reserved notches, combined with drainage components, including drainage steel pipes and culverts, to form an effective slag-blocking and drainage system, and to enhance stability through anchor bars and connect them to the mountain.
It improves the safety of buildings downstream of the ditch, simplifies the facility structure, is easy to operate and maintain, can effectively block and quickly discharge water flow and stones, reduces accumulation and reduces maintenance difficulty.
Smart Images
Figure CN223240575U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to a slope protection project, and in particular to a small high-steep gully slag retaining structure. Background Art
[0002] In infrastructure construction projects, it is common to encounter gullies above one side of a building. The collected water flow formed by such gullies during rainy periods will impact downstream buildings. When there are deposits in the gully, the collected water flow will also carry the accumulated mud and rocks in the gully, which has a stronger impact and destructive power. This is especially harmful to road projects where vehicles and pedestrians frequently pass through. In this case, it is necessary to build water retaining and debris blocking facilities to prevent the collected water flow or mud and rock flow from impacting the lowered buildings. However, when such gullies are small and steep, the excavation of the building foundation can easily cause the entire gully and the outlet to be located above the building. After the water flow or rolling rocks from above reach the gully mouth, they will not fall along the slope due to inertia, but will fly over. In this case, the effect of building blocking measures along the edge of the building is relatively poor, or the blocking structure must be of a high height to be effective. Utility Model Content
[0003] In a first aspect, an embodiment of the present application provides a small-scale high-steep gully slag retaining structure, which can improve the safety of buildings downstream of the gully, has a relatively simple facility structure, and is easy to operate and maintain.
[0004] The first aspect of the embodiment of the present application provides a small-scale high-steep gully debris retaining structure comprising: a slag retaining structure, the slag retaining structure being laterally arranged at the gully mouth where a natural gully and an artificial slope meet, and the slag retaining structure being located on the upstream side of a building, the slag retaining structure comprising a concrete retaining wall and a passive protective net, the concrete retaining wall having a plurality of drainage holes formed therethrough on its wall surface, a plurality of anchor bars being provided between the concrete retaining wall and a foundation, the passive protective net being fixedly arranged on the top of the concrete retaining wall, and the passive protective net being connected to the mountain through anchor bars on at least one side along its length direction;
[0005] A drainage component is located on the downstream side of the slag retaining structure, and the drainage component can converge and discharge the water on the downstream side of the slag retaining structure.
[0006] In addition, the small high-steep gully slag retaining structure provided in the embodiments of the present application may also have the following additional technical features:
[0007] In an optional scheme, the drainage component has a first drainage path extending along the width direction of the natural gully; the drainage component includes a drainage steel pipe, a sump and a drainage ditch; the length direction of the drainage steel pipe extends at least partially along the length direction of the natural gully, the inlet end of the drainage steel pipe is provided with a baffle, the outlet end of the drainage steel pipe is connected to the sump, the drainage ditch is provided on both sides of the sump, and the length direction of the drainage ditch extends along the width direction of the natural gully and forms the first drainage path.
[0008] In an optional scheme, the drainage component also has a second drainage path extending along the length direction of the natural gully; the drainage component includes a drainage culvert, which is located at the bottom of the building, and one end of the drainage culvert is connected to the sump, and the other end is located on the downstream side of the building. The length direction of the drainage culvert extends along the length direction of the natural gully and forms the second drainage path.
[0009] In an optional solution, the slag retaining structure also includes a steel mesh grille, and a reserved gap is provided through the wall surface of the concrete retaining wall. The reserved gap is located in the middle of the concrete retaining wall and close to the passive protective net. The steel mesh grille is movably connected to the concrete retaining wall and can open or cover the reserved gap; the opening position of the drainage hole is lower than the bottom of the reserved gap.
[0010] In an optional solution, the height of the concrete retaining wall above the upstream terrain is not less than 2m, the cross-sectional shape of the concrete retaining wall is a right-angled trapezoid, and the top width of the concrete retaining wall is 0.5 to 1m, the length and depth of the reserved gap are not less than 1m, and the diameter of the drainage hole is not less than 10cm.
[0011] In an optional solution, the concrete retaining wall is provided with a rotating shaft reserved hole and a pin reserved hole at the position of the reserved notch, and the steel mesh grille is movably connected to the concrete retaining wall through a rotating shaft arranged in the rotating shaft reserved hole. There are multiple pin reserved holes, and pins are arranged in the pin reserved holes to limit the steel mesh grille.
[0012] In an optional solution, the slag retaining structure further includes a plurality of columns, the plurality of columns are arranged at intervals along the length direction of the concrete retaining wall, and part of the passive protection net is arranged between two adjacent columns.
[0013] A second aspect of the present application provides a construction method for a small-sized high-steep gully slag retaining structure, the construction method being used to construct the small-sized high-steep gully slag retaining structure in the first aspect of the present application, the construction method comprising the following steps:
[0014] 1) Carry out excavation according to structural design requirements, including building foundations, drainage ditch foundations, sump foundations, and drainage culvert foundations;
[0015] 2) At a location no less than 5m above the intersection of the natural gully bottom and the artificial slope, excavate the foundation and set up a concrete retaining wall. The foundation of the concrete retaining wall shall be anchored with anchor bars;
[0016] 3) Install the passive protection net. The passive protection net within the concrete retaining wall is anchored to the top of the retaining wall with rivets. Anchor bars are set at the connection points with the mountain on both sides for anchoring. Zippers are set on the columns of the passive protection net to connect with the mountain.
[0017] 4) Process the grille, install it in the reserved notch of the concrete retaining wall, and install pins to fix it;
[0018] 5) Install the drainage steel pipe and anchor it to the slope with anchor piers. Use steel plates to form a water retaining plate at the inlet of the drainage steel pipe, with the top higher than the drainage steel pipe and the bottom closed to the ground. Install multiple dowels on the back side of the water retaining plate to improve its stability against water pressure. Use concrete or mortar to fill and seal the gap at the bottom of the steel plate.
[0019] 6) Construct drainage culverts, buildings, drainage ditches and collection pits.
[0020] In an optional solution, step 2) further includes: pre-embedding columns of a passive protective net on the top of the concrete retaining wall and connecting the passive protective net to the columns; reserving reserved gaps and drainage holes in the concrete retaining wall, and reserving rotating shaft reserved holes and pin reserved holes above and below both sides of the reserved gap.
[0021] The beneficial effects of the embodiments of the present application are:
[0022] This small high-steep gully slag blocking structure forms a protective structure through the cooperation of concrete retaining walls and passive protective nets, and is set above the artificial slope to increase the blocking effect. At the same time, the concrete retaining wall is used to block the bottom slag pile where the soil pressure is the largest. The concrete retaining wall is provided with reserved gaps and drainage holes, which can not only drain water, but also use the reserved gaps to facilitate manual transportation during cleaning.
[0023] It should be understood that the foregoing general description and the following detailed description are merely illustrative and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 Schematic diagram of the plan layout of the small high-steep gully slag retaining structure provided for this application;
[0025] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure of a small high-steep gully slag retaining structure;
[0026] Figure 3 The overall structural diagram of the slag retaining structure provided for this application;
[0027] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure of the slag retaining structure;
[0028] Figure 5 Schematic diagram of the installation structure of the steel mesh grille provided for this application.
[0029] Figure 1: slag retaining structure 1, concrete retaining wall 10, passive protection net 11, drainage hole 12, anchor bar 13, steel mesh grille 14, reserved gap 15, rotating shaft reserved hole 16, pin reserved hole 17, rotating shaft 18, pin 19, column 110, natural gully 2, artificial slope 3, building 4, drainage assembly 5, drainage steel pipe 51, sump 52, drainage ditch 53, baffle 54, drainage culvert 55.
[0030] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application. DETAILED DESCRIPTION
[0031] In order to better understand the technical solution of the present application, the embodiments of the present application are described in detail below with reference to the accompanying drawings.
[0032] It should be clear that the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.
[0033] The terms used in the embodiments of the present application are for the purpose of describing specific embodiments only and are not intended to limit the present application. The singular forms "a", "an", "the" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise.
[0034] It should be understood that the term "and / or" as used herein is merely a description of the relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A exists alone, A and B exist simultaneously, or B exists alone. Furthermore, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.
[0035] It should be noted that the directional words such as "upper", "lower", "left", and "right" described in the embodiments of the present application are described based on the angles shown in the accompanying drawings and should not be understood as limiting the embodiments of the present application. In addition, in the context, it should be understood that when it is mentioned that an element is connected to another element "on" or "under", it can not only be directly connected to the other element "on" or "under", but also be indirectly connected to the other element "on" or "under" through an intermediate element.
[0036] like Figure 1-5 As shown, the first aspect of the embodiment of the present application provides a small-scale high-steep gully debris retaining structure, which includes a slag retaining structure 1 and a drainage component 5. The slag retaining structure 1 is arranged horizontally at the gully mouth where the natural gully 2 and the artificial slope 3 intersect, and the slag retaining structure 1 is located on the upstream side of the building 4. The slag retaining structure 1 includes a concrete retaining wall 10 and a passive protective net 11. The wall surface of the concrete retaining wall 10 is penetrated by a plurality of drainage holes 12. A plurality of anchor bars 13 are arranged between the concrete retaining wall 10 and the foundation, which can enhance its overall stability and impact resistance. The passive protective net 11 is fixedly arranged on the top of the concrete retaining wall 10, and at least one side of the passive protective net 11 along the length direction is connected to the mountain through the anchor bars 13. The passive protective net 11 and the retaining wall together form a gully debris retaining and drainage structure. The drainage component 5 is located on the downstream side of the slag retaining structure 1, and the drainage component 5 can converge and discharge the water on the downstream side of the slag retaining structure 1.
[0037] It should be noted that although the water volume of small high and steep gullies is not large, the water flow rate is fast, and the stones carried by them are very easy to roll and jump on the slope, which increases the difficulty of blocking. If an ordinary protective net is used for protection, the slag will soon accumulate in the protective net, thereby damaging the protective net. Therefore, the small high and steep gully slag blocking structure in this embodiment forms a protective structure by cooperating with a concrete retaining wall 10 and a passive protective net 11, and is set above the artificial slope 3, thereby increasing the blocking effect. At the same time, the concrete retaining wall 10 is used to block the bottom slag pile where the soil pressure is the largest. The concrete retaining wall 10 is provided with drainage holes 12 to facilitate drainage.
[0038] like Figure 1-2 As shown, in a specific embodiment, the drainage component 5 has a first drainage path extending along the width direction of the natural gully 2; the drainage component 5 includes a drainage steel pipe 51, a sump 52 and a drainage ditch 53; the length direction of the drainage steel pipe 51 extends at least partially along the length direction of the natural gully 2, the inlet end of the drainage steel pipe 51 is provided with a baffle 54, the outlet end of the drainage steel pipe 51 is connected to the sump 52, the drainage ditch 53 is provided on both sides of the sump 52, and the length direction of the drainage ditch 53 extends along the width direction of the natural gully 2 and forms a first drainage path.
[0039] Specifically, in this embodiment, the inlet of the steel drainage pipe 51 is located below the concrete retaining wall 10, maintaining a distance of approximately 2 meters. A baffle 54 is formed at the inlet using steel plates, with its top protruding above the top of the steel drainage pipe 51 and its bottom sealed to the ground. Rebars are installed on the backside of the baffle 54 to enhance its stability against water pressure, and the gaps at the bottom of the steel plate are filled and sealed with concrete or mortar. The function of the baffle 54 is to collect water that passes through the concrete retaining wall 10 and drain it from the steel drainage pipe 51 to the sump 52 below, preventing water splashing.
[0040] like Figure 1-2 As shown, in a specific embodiment, the drainage component 5 also has a second drainage path extending along the length of the natural gully 2; the drainage component 5 includes a drainage culvert 55, which is located at the bottom of the building 4, and one end of the drainage culvert 55 is connected to the sump 52, and the other end is located on the downstream side of the building 4. The length of the drainage culvert 55 extends along the length of the natural gully 2 and forms a second drainage path. The first drainage path and the second drainage path can quickly and effectively drain the water downstream of the slag retaining structure 1. Generally speaking, when the building 4 is a road, a drainage culvert 55 can be set up, and when it is other buildings 4, the setting of the drainage culvert 55 can be eliminated.
[0041] like Figure 3-5 As shown, in a specific embodiment, the slag retaining structure 1 further includes a steel mesh grille 14. A reserved gap 15 is provided through the wall of the concrete retaining wall 10. The reserved gap 15 is located in the middle of the concrete retaining wall 10 and adjacent to the passive protection net 11. The steel mesh grille 14 is movably connected to the concrete retaining wall 10 and can open or cover the reserved gap 15. The drainage hole 12 is located below the bottom of the reserved gap 15. Generally, the height of the concrete retaining wall 10 above the upstream terrain is no less than 2 meters. The cross-section of the concrete retaining wall 10 is a right-angled trapezoid with a top width of 0.5 to 1 meter. The length and depth of the reserved gap 15 are no less than 1 meter, and the diameter of the drainage hole 12 is no less than 10 cm. Furthermore, the slag retaining structure 1 further includes a plurality of columns 110 spaced apart along the length of the concrete retaining wall 10. Part of the passive protection net 11 is disposed between adjacent columns 110.
[0042] like Figure 4-5As shown, in a specific embodiment, the concrete retaining wall 10 is provided with a rotating shaft reserved hole 16 and a latch 19 reserved hole 17 at the position of the reserved notch 15, and the steel mesh grille 14 is movably connected to the concrete retaining wall 10 through a rotating shaft 18 arranged in the rotating shaft reserved hole 16, and the number of the latch 19 reserved holes 17 is multiple, and a latch 19 that can limit the steel mesh grille 14 is arranged in the latch 19 reserved hole 17.
[0043] Specifically, the steel mesh grille 14 can be flipped upward at the location of the reserved notch 15. The steel mesh grille 14 is welded from section steel and rebar, with the rebar spacing of 5 cm. A transversely rotatable shaft 18 is provided at the top of the steel mesh grille 14, which inserts into the reserved holes in the concrete on both sides to enable rotation. One or more pins 19 are provided at the bottom to secure the grille. After a period of operation, the pins 19 can be removed, and the slag can be manually cleaned through the reserved notch 15. The slag can then be directly drained into the sump 52 via the drainage pipe 51 for disposal. Larger rocks are broken down to facilitate slag removal.
[0044] A second aspect of the present application provides a construction method for a small-sized high-steep gully slag retaining structure. The construction method is used to construct the small-sized high-steep gully slag retaining structure in the first aspect of the present application. The construction method includes the following steps:
[0045] 1) Excavation is carried out according to the structural design requirements, including the foundation of the building 4, the foundation of the drainage ditch 53, the foundation of the sump 52, and the foundation of the drainage culvert 55;
[0046] 2) At a location no less than 5 m above the intersection of the bottom of the natural gully 2 and the artificial slope 3, a foundation is excavated to establish a concrete retaining wall 10, and the foundation of the concrete retaining wall 10 is anchored with anchor bars 13; columns 110 for the passive protection net 11 are embedded on the top of the concrete retaining wall 10, and a reserved gap 15 and a drainage hole 12 are reserved in the concrete retaining wall 10. A rotation shaft reserved hole 16 and a hole 17 for a latch 19 are reserved above and below both sides of the reserved gap 15, respectively;
[0047] 3) Install the passive protection net 11. The passive protection net 11 within the concrete retaining wall 10 is anchored to the top of the retaining wall with rivets. Anchor bars 13 are set at the connection points with the mountain on both sides for anchoring. The columns 110 of the passive protection net 11 are equipped with zippers to connect with the mountain.
[0048] 4) Process the grille, install it in the reserved notch 15 of the concrete retaining wall 10, and install the pin 19 to fix it;
[0049] 5) Install the drainage steel pipe 51 and anchor it to the slope using anchor piers. Use steel plates to form a water retaining plate at the inlet of the drainage steel pipe 51, with the top protruding from the drainage steel pipe 51 and the bottom sealed from the ground. Install multiple reinforcing bars on the backwater side of the water retaining plate to improve its stability against water pressure. Fill and seal the gaps at the bottom of the steel plate with concrete or mortar.
[0050] 6) Construct drainage culvert, building 4, drainage ditch 53 and collection pit 52.
[0051] The above are merely preferred embodiments of the present application and are not intended to limit the present application. Those skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.
Claims
1. A small high-steep gully slag blocking structure, characterized in that: include: A slag retaining structure, the slag retaining structure being laterally arranged at the gully mouth where a natural gully and an artificial slope meet, and the slag retaining structure being located upstream of the building, the slag retaining structure comprising a concrete retaining wall and a passive protective net, the concrete retaining wall having a plurality of drainage holes formed therethrough, a plurality of anchor bars being provided between the concrete retaining wall and the foundation, the passive protective net being fixedly arranged on the top of the concrete retaining wall, and the passive protective net being connected to the mountain via anchor bars on at least one side along its length; A drainage component is located on the downstream side of the slag retaining structure, and the drainage component can converge and discharge the water on the downstream side of the slag retaining structure.
2. The small high-steep gully slag retaining structure according to claim 1, characterized in that: The drainage component has a first drainage path extending along the width direction of the natural gully; the drainage component includes a drainage steel pipe, a sump and a drainage ditch; the length direction of the drainage steel pipe extends at least partially along the length direction of the natural gully, the inlet end of the drainage steel pipe is provided with a baffle, the outlet end of the drainage steel pipe is connected to the sump, the drainage ditch is provided on both sides of the sump, and the length direction of the drainage ditch extends along the width direction of the natural gully and forms the first drainage path.
3. The small high-steep gully slag retaining structure according to claim 2, characterized in that: The drainage component also has a second drainage path extending along the length direction of the natural gully; the drainage component includes a drainage culvert, which is located at the bottom of the building, and one end of the drainage culvert is connected to the sump, and the other end is located on the downstream side of the building. The length direction of the drainage culvert extends along the length direction of the natural gully and forms the second drainage path.
4. The small high-steep gully slag retaining structure according to any one of claims 1 to 3, characterized in that: The slag retaining structure also includes a steel mesh grille, and a reserved gap is set through the wall of the concrete retaining wall. The reserved gap is located in the middle of the concrete retaining wall and close to the passive protection net. The steel mesh grille is movably connected to the concrete retaining wall and can open or cover the reserved gap; the opening position of the drainage hole is lower than the bottom of the reserved gap.
5. The small high-steep gully slag retaining structure according to claim 4, characterized in that: The height of the concrete retaining wall above the upstream terrain is not less than 2m, the cross-sectional shape of the concrete retaining wall is trapezoidal, and the top width of the concrete retaining wall is 0.5 to 1m. The length and depth of the reserved gap are not less than 1m, and the diameter of the drainage hole is not less than 10cm.
6. The small high-steep gully slag retaining structure according to claim 4, characterized in that: The concrete retaining wall is provided with a rotating shaft reserved hole and a pin reserved hole at the position of the reserved notch. The steel mesh grille is movably connected to the concrete retaining wall via a rotating shaft arranged in the rotating shaft reserved hole. There are multiple pin reserved holes, and pins are arranged in the pin reserved holes to limit the steel mesh grille.
7. The small high-steep gully slag retaining structure according to any one of claims 1-3 or 5-6, characterized in that: The slag retaining structure further includes a plurality of columns, which are arranged at intervals along the length direction of the concrete retaining wall, and part of the passive protection net is arranged between two adjacent columns.