CN112343065B - Maintenance method for red bed mudstone block filler high-fill side slope - Google Patents
Maintenance method for red bed mudstone block filler high-fill side slope Download PDFInfo
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- CN112343065B CN112343065B CN202011055707.4A CN202011055707A CN112343065B CN 112343065 B CN112343065 B CN 112343065B CN 202011055707 A CN202011055707 A CN 202011055707A CN 112343065 B CN112343065 B CN 112343065B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention belongs to the technical field of slope nursing, and discloses a method for maintaining a red bed mudstone block filler high-fill slope, which aims to solve the problem that the time spent on detecting items such as material strength, structural stress strain and the like in the slope maintenance process is long. The maintenance method comprises the following steps: (1) detecting the levelness of the horizontal gathering pipe and comparing the levelness with the initial levelness of the horizontal gathering pipe; (2) and when the horizontal degree change of the horizontal convergent pipe exceeds a set value, detecting the curvature of the vertical convergent pipe and comparing the detected curvature with the initial curvature of the vertical convergent pipe, wherein if the initial curvature change exceeds the set value, the risk of collapse of the area is high, and reinforcement treatment is needed.
Description
Technical Field
The invention belongs to the technical field of slope nursing, and particularly relates to a method for maintaining a red bed mudstone block filler high-fill slope.
Background
The red layer mudstone is a land-phase debris (basin, river and lake environment) sedimentary stratum taking red as a main color tone in appearance, the color is mostly red, purple red or brownish red, the red layer mudstone is generally formed by red conglomerate, sandstone, glutenite, siltstone, sandy shale, argillaceous edges and the like in an alternating mode, fresh water limestone, gypsum, rock salt and the like are also better, most of the red layer mudstone is cemented, and the other part of the red layer mudstone is cemented by gypsum, calcareous and siliceous, and fillers or cements contained in the red layer mudstone are mainly ferric oxide, particularly hematite, so the red layer mudstone is red. The Sichuan basin region, Panzhihua region and Wenchang region are two regions with most concentrated red layer mudstone development, and the Sichuan basin region is almost a red layer exposed region except the regions of Chengdu plain, Huafu mountain and the like. However, the red layer mudstone has the advantages of easy particle breakage, low strength, easy disintegration and softening after meeting water, most uniaxial compressive strength less than 30MPa, and different engineering mechanical properties on the surface. Therefore, stability to red bed mudstone block fill highwall is an important factor in highwall safety.
In the prior art, the maintenance of the side slope is generally to detect the items such as material strength, structural stress strain and the like of retaining and reinforcing projects such as anchor rods, anti-slide piles, retaining walls and the like. However, it takes a long time for the items of material strength, structural stress strain detection, etc.
Disclosure of Invention
The invention provides a method for maintaining a red mud rock mass filling high-fill side slope, aiming at solving the problem that the time spent for detecting items such as material strength, structural stress strain and the like in the side slope maintenance process is long.
In order to solve the technical problem, the technical scheme adopted by the invention is as follows:
a maintenance method of a red bed mudstone block filler high-fill side slope is characterized by comprising a side slope soil body formed by backfilling red bed mudstone block fillers, an anchor rod group is arranged in the side slope soil body, one end of the anchor rod group is anchored in the primary side slope soil body, the other end of the anchor rod group is fixed on a drainage frame which is buried in the side slope soil body and consists of a horizontal drainage pipe group and a vertical drainage pipe group, the horizontal drainage pipe group and the vertical drainage pipe group are mutually connected, each horizontal drainage pipe group comprises a plurality of horizontal drainage pipes, each vertical drainage pipe group comprises a plurality of vertical drainage pipes, a plurality of drain holes are arranged on the upper semicircle of the horizontal drain pipe, a plurality of drain holes are arranged on the vertical drain pipe, the horizontal drain pipe and the vertical drain pipe are both stainless steel pipes or steel pipes coated with corrosion-resistant layers, and the anchor rod group is connected to the vertical drain pipe; at least one horizontal drainage pipe in the horizontal drainage pipe group extends into the primary side slope soil body, each horizontal drainage pipe in the horizontal drainage pipe group extends out of the outer surface of the side slope soil body and is connected with a horizontal gathering pipe, vertical gathering pipes are arranged along the surface of the side slope soil body and connected among the horizontal gathering pipes of each layer, and the horizontal drainage pipe, the horizontal gathering pipe and the vertical gathering pipes extending out of the side slope soil body form a planting space for placing planting bags; the maintenance method comprises the following steps:
(1) detecting the levelness of the horizontal gathering pipe and comparing the levelness with the initial levelness of the horizontal gathering pipe;
(2) when the horizontal degree change of the horizontal convergent pipe exceeds a set value, the curvature of the vertical convergent pipe is detected and compared with the initial curvature of the vertical convergent pipe, and if the curvature change of the vertical convergent pipe exceeds the set value, the risk that the area collapses is high, and reinforcement treatment is needed.
In some embodiments, when the change of the horizontal degree of the horizontal converging pipe exceeds a set value, and the change of the curvature of the vertical converging pipe does not exceed the set value, the observation and the treatment are continued, and the maintenance and inspection period is shortened.
In some embodiments, the horizontal converging tube and the vertical converging tube are provided with a plurality of water seepage holes.
In some embodiments, the anchor rod group is formed by connecting three anchor rods with each other to form a tripod shape, and the junction points of the three anchor rods in the anchor rod group are connected with the vertical drain pipe.
In some embodiments, adjacent sets of anchor rods are connected at different elevations to the vertical drain pipe.
In some embodiments, the horizontal drains of the same set of horizontal drains are connected to each other via a connecting rod, and the vertical drains of the same set of vertical drains are connected to each other via a connecting rod.
In some embodiments, the horizontal drainage pipes of each group are obliquely arranged, so that the horizontal drainage pipes of the same group are arranged in a Z shape, and the horizontal drainage pipes of the adjacent horizontal drainage pipe groups on the upper layer and the lower layer are staggered.
In some embodiments, the vertical drains of each group are arranged at an angle such that the vertical drains of the same group are arranged in a "Z" pattern.
In some embodiments, the bottom of the red mudstone filler high-fill side slope is provided with drainage ditches, the number of the drainage ditches is the same as that of the vertical drainage pipe groups, and the bottom of the vertical drainage pipe in each vertical drainage pipe group corresponds to the drainage ditch.
Compared with the prior art, the invention has the following beneficial effects:
the maintenance method of the red bed mudstone block filler high fill side slope comprises the following steps that firstly, the red bed mudstone block filler high fill side slope of the invention fully utilizes a drainage frame consisting of a horizontal drainage pipe group and a vertical drainage pipe group for drainage, on one hand, compared with the existing mode of arranging a drainage ditch at the bottom of the side slope soil body, the method can timely drain redundant rainwater in the red bed mudstone block, and the water flow drained by the horizontal drainage pipe can gradually drain the water flow in the side slope soil body to a planting bag on the side slope surface through a horizontal gathering pipe and a vertical gathering pipe, so that vegetation in the planting bag is irrigated, and the redundant water flow can be quickly drained along the vertical gathering pipe, so that the problem of collapse of the side slope soil body formed by the red bed mudstone block filler due to excessive water amount is solved; on the other hand, the invention integrates the slope frame and the drainage pipeline in the prior art, and the drainage frame and the anchor rod form an integral structure, thereby ensuring the stability of the ecological slope filled with the red layer mud rock mass too filler.
In addition, the horizontal drainage pipe, the horizontal gathering pipe and the vertical gathering pipe are fully utilized to be used as placing spaces of the planting bags, compared with the existing mode of adopting a large amount of pouring, the method can shorten the construction period and reduce the construction cost, and is particularly suitable for side slopes which are formed by red mudstone blocks and easy to collapse.
The maintenance method can detect the side slope by directly detecting the levelness of the horizontal convergent pipe on the outer side of the side slope soil body and the curvature of the vertical convergent pipe, has the characteristic of convenient detection and maintenance compared with the existing modes of detecting strength, stress strain and the like, and can improve the efficiency of detection and maintenance.
Drawings
FIG. 1 is a schematic top view of a horizontal drainage pipe assembly according to the present invention, i.e., a schematic structure of a horizontal drainage pipe assembly laid on a slope soil body;
FIG. 2 is a schematic side view of an upright drainage pipe assembly of the present invention, namely a schematic side view of the upright drainage pipe assembly erected on a slope soil body;
FIG. 3 is a schematic structural view of a cross-sectional view of the maintenance method of the red bed mudstone block filler high fill side slope of the invention;
the labels in the figure are: 1. the device comprises a horizontal drainage pipe group, 11 horizontal drainage pipes, 2 vertical drainage pipe groups, 21 vertical drainage pipes, 3 drainage holes, 4 connecting rods, 5 primary side slope soil bodies, 6 side slope soil bodies, 7 anchor rod groups, 8 horizontal gathering pipes, 9 vertical gathering pipes, 10 drainage ditches.
Detailed Description
The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
With reference to the attached drawings, the maintenance method of the red mud rock block filling high-fill side slope comprises the steps of utilizing red mud rock blocks to carry out backfilled side slope soil bodies 6, arranging anchor rod groups 7 in the side slope soil bodies 6, anchoring one ends of the anchor rod groups 7 in primary side slope soil bodies 5, fixing the other ends of the anchor rod groups 7 on a drainage framework which is embedded in the side slope soil bodies 6 and is composed of horizontal drainage pipe groups 1 and vertical drainage pipe groups 2, connecting the horizontal drainage pipe groups 1 and the vertical drainage pipe groups 2 with each other, enabling each horizontal drainage pipe group 1 to comprise a plurality of horizontal drainage pipes 11, enabling each vertical drainage pipe group 2 to comprise a plurality of vertical drainage pipes 21, enabling a plurality of drainage holes 3 to be formed in the upper semi-circle of the horizontal drainage pipes 11, enabling a plurality of drainage holes 3 to be formed in the vertical drainage pipes 21, enabling the horizontal drainage pipes 11 and the vertical drainage pipes 22 to be stainless steel pipes or steel pipes coated with corrosion-resistant layers, the anchor rod group 7 is connected to a vertical drain pipe 21; at least one horizontal drainage pipe 11 in the horizontal drainage pipe group 1 extends into the original side slope soil body 5, each horizontal drainage pipe 11 in the horizontal drainage pipe group 1 extends out of the outer surface of the side slope soil body 6 and is connected with a horizontal gathering pipe 8, vertical gathering pipes 9 are arranged between each layer of horizontal gathering pipes 8 along the surface of the side slope soil body 6, the horizontal drainage pipes 11 extending out of the side slope soil body 6, the horizontal gathering pipes 8 and the vertical gathering pipes 9 form a planting space for placing planting bags, and therefore the horizontal drainage pipes, the horizontal gathering pipes and the vertical gathering pipes are fully utilized to serve as supporting members of the planting bags.
During construction, firstly, a layer of horizontal drainage pipe group 1 is erected at the bottom, then, an upright drainage pipe 2 is erected, the upright drainage pipe group 2 and the horizontal drainage pipe group 1 are fixedly connected, then, one end of an anchor rod group 7 is anchored in a primary side slope soil body 5, each anchor rod group 7 and an upright drainage pipe 21 are fixedly connected, then, red layer mud rock block filling is used for backfilling, the tamping is carried out on the pipe group after the height of one end is backfilled, a layer of horizontal drainage pipe group 1 is paved again, the horizontal drainage pipe group 1 and the upright drainage pipe group 2 are fixedly connected, and the process is circulated until the backfilling of a side slope soil body 6 is completed.
The invention relates to a slope soil maintenance method based on the above, which comprises the following steps:
(1) detecting the levelness of the horizontal gathering pipe and comparing the levelness with the initial levelness of the horizontal gathering pipe;
(2) when the horizontal degree change of the horizontal convergent pipe exceeds a set value, the curvature of the vertical convergent pipe is detected and compared with the initial curvature of the vertical convergent pipe, and if the curvature change of the vertical convergent pipe exceeds the set value, the risk that the area collapses is high, and reinforcement treatment is needed.
In some embodiments, when the change of the horizontal degree of the horizontal converging pipe exceeds a set value, and the change of the curvature of the vertical converging pipe does not exceed the set value, the observation and the treatment are continued, and the maintenance and inspection period is shortened.
The maintenance method can detect the side slope by directly detecting the levelness of the horizontal convergent pipe on the outer side of the side slope soil body and the curvature of the vertical convergent pipe, has the characteristic of convenient detection and maintenance compared with the existing modes of detecting strength, stress strain and the like, and can improve the efficiency of detection and maintenance.
In the maintenance process, firstly, levelness detection is carried out on the horizontal converging pipes of each layer, if the levelness change of the horizontal converging pipe of a certain layer exceeds a set value, curvature detection is carried out on the vertical converging pipe corresponding to the horizontal converging pipe of the layer, then according to whether the change of the bent section of the vertical converging pipe exceeds the set value or not, if the change exceeds the set value, the risk of collapse of the area is high, and reinforcement treatment is needed.
In some embodiments, when the levelness of the horizontal converging pipe and the curvature of the vertical converging pipe both exceed a set value, before reinforcement is performed, the distance between the horizontal drainage pipes of the layer (or the upper and lower layers) can be detected, and compared with the original distance between the horizontal drainage pipes, if the distance between two horizontal drainage pipes is increased to exceed the set value, the two horizontal drainage pipes are weak stress points, and reinforcement processing is required; and if the distance between two horizontal drainage pipes is reduced and exceeds the set value, detecting the distance between the adjacent horizontal drainage pipes until an area in which the distance between the two horizontal drainage pipes is increased and exceeds the set value is found.
In some embodiments, the horizontal converging tube 8 and the vertical converging tube 9 are provided with a plurality of water seepage holes 3, and the water seepage holes are formed in the horizontal converging tube and the vertical converging tube, so that water flow in the side slope soil body 6 can be timely led out to irrigate the planting bag, and excessive water flow can be discharged through the vertical converging tube 9, so that the problem of softening and disintegration of the side slope soil body filled with the red layer shale blocks due to excessive internal water can be prevented, meanwhile, moisture in the red layer shale blocks can be fully utilized to irrigate, and the utilization rate of resources is improved.
In some embodiments, the anchor rod group 7 is formed by connecting three anchor rods with each other to form a tripod shape, the junction points of the three anchor rods in the anchor rod group are connected with the vertical drain pipe 21, and the anchor rod group is connected with the vertical drain pipe 21 to form the tripod shape and is anchored in the primary side slope soil body 5, so that the vertical drain pipe, the anchor rod group and the primary side slope soil body 5 can form a stable integral structure, and the strength and the stability of the side slope soil body 6 formed by backfilling red layer mudstone blocks are improved.
In some embodiments, adjacent anchor sets 7 are connected to the vertical drain pipe 21 at different elevations. Therefore, the vertical drain pipe 21 can be connected with the original side slope soil body 5 at different height positions, and the overall stability of the side slope soil body 6 is further improved.
In some embodiments, the horizontal drains 11 of the same horizontal drain stack 1 are connected to each other via a connecting rod 4, and the vertical drains 21 of the same vertical drain stack 2 are connected to each other via a connecting rod. Thereby improving the overall strength and stability of the drainage frame.
In some embodiments, the horizontal drainage pipes 11 of each group are arranged obliquely, so that the horizontal drainage pipes 11 of the same group are arranged in a "Z" shape, and the horizontal drainage pipes 11 of the adjacent horizontal drainage pipe groups 1 on the upper layer and the lower layer are staggered. In some embodiments, the vertical drainage pipes 21 of each group are arranged obliquely, so that the vertical drainage pipes 21 of the same group are arranged in a Z shape.
According to the invention, each horizontal drainage pipe in the horizontal drainage pipe group in the same layer is arranged in a Z shape, each vertical drainage pipe in the vertical drainage pipe group in the same group is also arranged in a Z shape, so that two adjacent horizontal drainage pipes are mutually inclined, and two adjacent vertical drainage pipes are mutually inclined, so that a red mud rock block area between the two horizontal drainage pipes (the two vertical drainage pipes) is in a ladder shape, and when a red mud rock block in a certain area has a larger slip tendency, the horizontal drainage pipes distributed in a Z shape can play a certain role in blocking and adjusting, thereby improving the overall strength of the side slope.
In some embodiments, the side slope soil 6 is provided with drainage ditches 10 at the bottom, the number of the drainage ditches 10 is the same as that of the vertical drainage pipe groups 2, and the bottom of the vertical drainage pipe 21 in each vertical drainage pipe group 2 corresponds to the drainage ditch 10. For example, 5 vertical drainage pipes are included in one vertical drainage pipe group, and 10 vertical drainage pipe groups are sequentially arranged along the length direction of the slope, so that 5 vertical drainage pipes of each group share one drainage ditch, and different drainage ditches are used by the vertical drainage pipe groups of different groups.
The number of the drainage pipes in the vertical drainage pipe group and the horizontal drainage pipe group can be determined according to the size of the side slope. In general, the vertical drainage pipes in the same group are spaced by 1-2m, and the horizontal drainage pipes in the same layer are spaced by 1-2 m. Of course, when the present invention is arranged, local climate conditions can be referred to, and if the area is full of rain, the distance between the drainage pipes can be properly reduced, which can be understood and appreciated by those skilled in the art, and will not be described herein.
According to the red layer mudstone block filler high-fill side slope, on one hand, a drainage frame consisting of the horizontal drainage pipe group and the vertical drainage pipe group is fully utilized for drainage, compared with the existing mode that the drainage ditch is arranged at the bottom of a side slope soil body, redundant rainwater in the red layer mudstone block can be timely drained, and the water drained through the horizontal drainage pipe can gradually drain the water in the side slope soil body to the planting bag on the surface of the side slope through the horizontal gathering pipe and the vertical gathering pipe, so that vegetation in the planting bag is irrigated, and redundant water can be quickly drained along the vertical gathering pipe, and the problem that the side slope soil body formed by the red layer mudstone block filler sinks due to excessive water is solved; on the other hand, the invention integrates the slope frame and the drainage pipeline in the prior art, and the drainage frame and the anchor rod form an integral structure, thereby ensuring the stability of the ecological slope filled with the red layer mud rock mass too filler.
In addition, the horizontal drainage pipe, the horizontal gathering pipe and the vertical gathering pipe are fully utilized to be used as placing spaces of the planting bags, compared with the existing mode of adopting a large amount of pouring, the method can shorten the construction period and reduce the construction cost, and is particularly suitable for side slopes which are formed by red mudstone blocks and easy to collapse.
While the invention has been described in terms of what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Those skilled in the art can make various changes, modifications and equivalent arrangements, which are equivalent to the embodiments of the present invention, without departing from the spirit and scope of the present invention, and which may be made by utilizing the techniques disclosed above; meanwhile, any changes, modifications and variations of the above-described embodiments, which are equivalent to those of the technical spirit of the present invention, are within the scope of the technical solution of the present invention.
Claims (9)
1. A maintenance method of a red bed mudstone block filler high-fill side slope is characterized by comprising a side slope soil body formed by backfilling red bed mudstone block fillers, an anchor rod group is arranged in the side slope soil body, one end of the anchor rod group is anchored in the primary side slope soil body, the other end of the anchor rod group is fixed on a drainage frame which is buried in the side slope soil body and consists of a horizontal drainage pipe group and a vertical drainage pipe group, the horizontal drainage pipe group and the vertical drainage pipe group are mutually connected, each horizontal drainage pipe group comprises a plurality of horizontal drainage pipes, each vertical drainage pipe group comprises a plurality of vertical drainage pipes, a plurality of drain holes are arranged on the upper semicircle of the horizontal drain pipe, a plurality of drain holes are arranged on the vertical drain pipe, the horizontal drain pipe and the vertical drain pipe are both stainless steel pipes or steel pipes coated with corrosion-resistant layers, and the anchor rod group is connected to the vertical drain pipe; at least one horizontal drainage pipe in the horizontal drainage pipe group extends into the primary side slope soil body, each horizontal drainage pipe in the horizontal drainage pipe group extends out of the outer surface of the side slope soil body and is connected with a horizontal gathering pipe, vertical gathering pipes are arranged along the surface of the side slope soil body and connected among the horizontal gathering pipes of each layer, and the horizontal drainage pipe, the horizontal gathering pipe and the vertical gathering pipes extending out of the side slope soil body form a planting space for placing planting bags; the maintenance method comprises the following steps:
(1) detecting the levelness of the horizontal gathering pipe and comparing the levelness with the initial levelness of the horizontal gathering pipe;
(2) when the horizontal degree change of the horizontal convergent pipe exceeds a set value, the curvature of the vertical convergent pipe is detected and compared with the initial curvature of the vertical convergent pipe, and if the curvature change of the vertical convergent pipe exceeds the set value, the risk that the area collapses is high, and reinforcement treatment is needed.
2. The method for maintaining a red mud rock mass filled high-fill slope according to claim 1, wherein in the step (2), when the change of the horizontal degree of the horizontal convergence pipe exceeds a set value and the change of the curvature of the vertical convergence pipe does not exceed the set value, no reinforcement treatment is needed, and continuous observation and the period of maintenance inspection are needed to be shortened.
3. The method for maintaining the red mud rock mass filling high-fill slope according to claim 1, wherein a plurality of water seepage holes are formed on the horizontal converging pipe and the vertical converging pipe.
4. The method for maintaining the red mud rock mass filling high-fill side slope according to claim 1, wherein the anchor rod group is formed by connecting three anchor rods with each other to form a tripod shape, and the joint points of the three anchor rods in the anchor rod group are connected with an upright drain pipe.
5. The method for maintaining the red bed mudstone block filler high fill slope as claimed in claim 4, wherein the adjacent anchor rod sets are connected to the vertical drain pipes at different heights.
6. The method for maintaining a red mud rock mass filling high fill side slope according to claim 1, wherein the horizontal drainage pipes of the same horizontal drainage pipe group are connected to each other through connecting rods, and the vertical drainage pipes of the same vertical drainage pipe group are connected to each other through connecting rods.
7. The method for maintaining the red mud rock mass filling high-fill slope according to claim 6, wherein the horizontal drainage pipes of each group are obliquely arranged so that the horizontal drainage pipes of the same group are arranged in a Z shape, and the horizontal drainage pipes of the adjacent horizontal drainage pipe groups of the upper and lower layers are staggered.
8. The method for maintaining the red mud rock mass filling high-fill slope according to claim 6, wherein the vertical drainage pipes of each group are arranged in an inclined manner, so that the vertical drainage pipes of the same group are arranged in a Z shape.
9. The method for maintaining the red mud rock mass filling high fill side slope according to claim 1, wherein drainage ditches are arranged at the bottom of the side slope soil body, the number of the drainage ditches is the same as that of the vertical drainage pipe groups, and the bottom of the vertical drainage pipe in each vertical drainage pipe group corresponds to the drainage ditch.
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