CN114319390A - Novel design of deep drain hole for heat exchange of side (slide) slope in seasonal frozen soil area - Google Patents
Novel design of deep drain hole for heat exchange of side (slide) slope in seasonal frozen soil area Download PDFInfo
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- CN114319390A CN114319390A CN202210062008.5A CN202210062008A CN114319390A CN 114319390 A CN114319390 A CN 114319390A CN 202210062008 A CN202210062008 A CN 202210062008A CN 114319390 A CN114319390 A CN 114319390A
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- 239000002689 soil Substances 0.000 title claims abstract description 57
- 230000001932 seasonal effect Effects 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000005553 drilling Methods 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002679 ablation Methods 0.000 abstract description 2
- 238000002791 soaking Methods 0.000 abstract 1
- 238000012806 monitoring device Methods 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009933 burial Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
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Abstract
The invention provides a novel design of a deep drainage hole for heat exchange of a side (slide) slope of a seasonal frozen soil area, which comprises a heating rod with a corner and a drainage hole; the deep drain hole and the hot rod are combined, and 2, 3, 4 heating rods and other combinations can be arranged on one drain hole according to the thickness of the side (slide) slope body, the distribution of the underground water line, the buried depth and the length of the deep drain hole and the like so as to ensure smooth drainage of the drain hole. According to the invention, the frozen soil around the drain pipe of the side (slide) slope ablation area is heated by the hot rod in the seasonal frozen soil area, so that the frozen soil is uniformly melted and underground water in the slope is drained, the drain hole is ensured to stably and effectively drain water all year round, and the phenomenon that the frozen soil side (slide) slope is unevenly and naturally melted or frozen due to temperature change to cause deep drainage blockage is prevented; the underground water is prevented from soaking the side slope body, so that the stability of the side slope is reduced.
Description
Technical Field
The invention relates to a novel design of a deep drainage hole for heat exchange of a side (landslide) slope in a seasonal frozen soil area, which is suitable for the field of protection design of the side (landslide) slope in seasonal frozen soil in a cold area.
Background
In the disease control engineering of the side slope (landslide) in the cold region, seasonal frozen soil often exists on the side slope (landslide), and due to the special physical properties of the seasonal frozen soil, groundwater in the side slope (landslide) is not timely discharged in the seasonal frozen soil region, so that the instability probability of the side slope (landslide) is increased. In cold seasons, the side (slide) slope soil body and the drain pipe are frozen, and underground water cannot be discharged; in warm seasons, sunlight directly irradiates the surface of the side (slide) slope, so that the shallow soil and the deep soil of the side (slide) slope are heated unevenly, and the condition that the deep frozen soil is not influenced or is slightly influenced when the shallow frozen soil is heated and ablated is caused. These conditions make it difficult to keep the deep drainage holes on the side (landslide) slopes of the seasonal frozen soil region in a drainage working state all the year round. The failure of ground water to drain out of the slope in time is also one of the main causes of instability of the side (slide) slope in the seasonal frozen soil area.
Disclosure of Invention
The invention aims to solve the drainage problem of the side (slide) slope in the seasonal frozen soil area, and aims to solve the problem that the deep frozen soil in the side (slide) slope is not uniformly ablated in warm seasons; in cold seasons, the engineering technical problems that drainage pipes are frozen, side (slide) slope soil bodies are frozen and the like influence the drainage of underground water are solved, a novel seasonal frozen soil area side (slide) slope heat exchange deep drainage hole is designed, the soil body is heated by utilizing the principle of a heating rod, the water after the side (slide) slope frozen soil is ablated is drained out of the soil body by combining the deep drainage hole, and the normal work of the deep drainage hole is ensured.
The design of the deep drainage hole for heat exchange of the side (slide) slope of the seasonal frozen soil area comprises a heating rod with a corner, a temperature monitoring device and a deep drainage system; the deep drain hole and the hot bar are combined, according to the conditions of the thickness of a side (slide) slope body, the distribution of an underground water line, the burial depth and the length of the deep drain hole and the like, in order to ensure that the drain hole can smoothly drain water, one drain hole can be provided with various combinations of 2, 3, 4 heating bars and the like, and the distance d between each group of heating bars and the drain hole is determined according to the geological condition. The temperature monitoring device is used for monitoring the temperature of soil around the deep drain hole and controlling the temperature control switch; the heating rod with the corner is used for heating soil around the drain pipe; the deep drainage holes drain the water melted by the heated frozen soil out of the side slope body.
In order to prevent deep soil from being taken out during drainage, the drainage pipe is a steel perforated pipe, a pipe body is provided with quincunx-shaped arranged filter holes, a layer of permeable geotextile is wrapped outside the steel perforated pipe, and a plastic blind pipe with the diameter of 75mm is placed in the pipe.
Because seasonal frozen soil region is generally in high latitude area, solar energy resources are abundant, for the make full use of energy, heating device includes the battery and the solar panel who is connected with the battery, the battery utilizes solar panel to charge.
The design of the deep drainage hole for heat exchange on the side (slide) slope of the seasonal frozen soil area provided by the invention comprises the following steps:
s1: determining a water level line: measuring the water level line of the slope body before construction, and determining the depth and the distribution condition of the water level line of the slope body;
s2: paying off and positioning: determining the positions and drilling angles of the hot rod and the deep drainage hole on the side (slide) slope, and measuring and marking the positions and drilling angles on the side (slide) slope;
s3: drilling deep drain holes: drilling holes at the positions of the side (slide) slope measuring marks, wherein the hole diameter of the deep drainage hole is 90mm, and the included angle between the drilling hole and the horizontal plane is between 100 and 150 degrees, so that drainage is facilitated;
s4: placing a deep drainage hole: clearing soil in a deep drainage hole, placing a steel perforated pipe, then placing a plastic blind pipe in the steel perforated pipe, fixing an orifice steel pipe after the drainage blind pipe is placed, arranging temperature sensors outside the drainage pipe, and arranging drainage pipes at intervals of 3-5 meters (one drainage pipe is arranged in front of and behind the drainage pipe with the interval of less than 5 meters);
s5: drilling a hot rod: drilling holes at the positions of the side (slide) slope measurement marks, wherein the hole diameter of the drilled hole of the hot rod is 100mm, and the included angle of the drilled hole is consistent with that of the drilled holes of the same group of drain holes, so that the reflux circulation of the heating medium is facilitated, the placement of the hot rod and the sleeve thereof is finished after the drilling of the hot rod is finished, and the sleeve of the drilled hole can be pulled out to prevent hole collapse;
s6: placing a hot bar: clearing soil in the hot rod hole, placing a hot rod sleeve and a hot rod, grouting and sealing the hot rod hole after the placement of the hot rod is finished, wrapping and fixing the hot rod at a heating section outside a side (slide) slope by plain concrete, connecting plain concrete blocks with the side (slide) slope by using phi 25 ribbed steel bars, and only reserving a part of the hot rod connected with a power supply;
s7: temperature monitoring: monitoring the temperature of the soil around the drain pipe, and starting heating when the temperature monitored by the temperature sensor reaches or is lower than a preset value of 0 ℃; and when all the temperature sensors monitor that the temperature reaches or exceeds a preset value of 5 ℃, stopping heating.
Drawings
FIG. 1 is a schematic diagram of the on-site layout of a drainage system
FIG. 2 is a plan view of a site layout of a drainage system
FIG. 3 is a schematic view of the combination of a drain hole and a heating rod
FIG. 4 is a schematic view of a heating rod sleeve
FIG. 5 is a view showing the structure of a deep drainage hole
FIG. 6 is a schematic view of a heating system
As shown in the figure: (1) the device comprises a metal connector of a hot rod sleeve and a hot rod, (2) a movable corner of the hot rod sleeve, (3) the hot rod sleeve, (4) a drainage steel flower tube, (5) a plastic drainage pipe, (6) a heating rod combination, (7) a deep drainage hole, (8) an open drainage channel, (9) a solar panel, (10) a storage battery, (11) a temperature control switch (12) a temperature monitoring device, and d is the distance between the drainage hole and the hot rod.
Detailed description of the invention
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The invention is used for an ablation area of a side (slide) slope of a seasonally frozen soil area by combining all the drawings, and the specific implementation steps are as follows:
s1: determining a water level line: measuring the water level line of the slope body before construction, and determining the depth and the distribution condition of the water level line of the slope body;
s2: paying off and positioning: determining the positions and drilling angles of the hot rod and the deep drainage hole on the side (slide) slope, and measuring and marking the positions and drilling angles on the side (slide) slope;
s3: drilling deep drain holes: drilling holes at the positions of the side (slide) slope measuring marks, wherein the hole diameter of the deep drainage hole is 90mm, and the included angle between the drilling hole and the horizontal plane is between 100 and 150 degrees, so that drainage is facilitated;
s4: placing a deep drainage hole: clearing soil in a deep drainage hole, placing a steel perforated pipe, then placing a plastic blind pipe in the steel perforated pipe, fixing an orifice steel pipe after the drainage blind pipe is placed, arranging temperature sensors outside the drainage pipe, and arranging drainage pipes at intervals of 3-5 meters (one drainage pipe is arranged in front of and behind the drainage pipe with the interval of less than 5 meters);
s5: drilling a hot rod: drilling holes at the positions of the side (slide) slope measurement marks, wherein the hole diameter of the drilled hole of the hot rod is 100mm, and the included angle of the drilled hole is consistent with that of the drilled holes of the same group of drain holes, so that the reflux circulation of the heating medium is facilitated, the placement of the hot rod and the sleeve thereof is finished after the drilling of the hot rod is finished, and the sleeve of the drilled hole can be pulled out to prevent hole collapse;
s6: placing a hot bar: clearing soil in the hot rod hole, placing a hot rod sleeve and a hot rod, grouting and sealing the hot rod hole after the placement of the hot rod is finished, wrapping and fixing the hot rod at a heating section outside a side (slide) slope by plain concrete, connecting plain concrete blocks with the side (slide) slope by using phi 25 ribbed steel bars, and only reserving a part of the hot rod connected with a power supply;
s7: temperature monitoring: monitoring the temperature of the soil around the drain pipe, and starting heating when the temperature monitored by the temperature sensor reaches or is lower than a preset value of 0 ℃; and when all the temperature sensors monitor that the temperature reaches or exceeds a preset value of 5 ℃, stopping heating.
Examples
As shown in figure 1, when the temperature is reduced in cold seasons, the side slope soil body is frozen from the shallow soil and then gradually frozen to the deep soil. Therefore, the drain hole opening section will freeze first, resulting in the failure of smooth drainage of groundwater in the deep zone of the side slope. When the temperature detected by the temperature monitoring device (12) is reduced to 0 ℃, the hot bar (6) is automatically opened to heat the soil around the deep drain hole (7) and prevent the deep drain hole (7) from being frozen and blocked.
When the temperature rises, the heating rod combination (6) can stop heating when the temperatures monitored by all the temperature sensors of the single drain hole (7) are 5 ℃ or above, otherwise, the heating operation is continued.
As shown in fig. 2 and 3, 1 drain hole (7) can be arranged at the position where the buried depth of the heat rod and the drain pipe is deeper and the water level line is deeper, and 3 or 4 heating rod combinations (6) can be arranged; 1 drain hole (7) can be arranged at the part where the buried depth of the hot rod and the drain pipe is shallow and the water level line is shallow, and 1 or 2 heating rod combinations (6) are arranged; aiming at the parts with larger soil porosity and better drainage condition, constructors at special positions can increase or reduce the number of hot rod combinations (6) by self, and the arrangement of the hot rods can be reduced by considering cost control; conversely, the number of the heating rod combinations (6) can be increased for smooth drainage.
As shown in fig. 6, a solar panel (9) collects solar energy to generate electricity, a battery (10) stores electricity, and a temperature-controlled switch (11) controls the heating rod assembly (6). If the sunshine condition is not good, the power is insufficient, and the storage battery can be used for supplying energy.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. A novel design of a deep drainage hole for heat exchange of a side (slide) slope in a seasonal frozen soil area is characterized by comprising a heating rod with a movable corner; deep layer drain holes.
2. The design of the novel deep drainage hole for heat exchange on the side (landslide) slope of the seasonal frozen soil area according to claim 1, wherein the movable corner can be freely adjusted according to the angle of the exposed slope surface.
3. The new seasonal frozen soil zone side (landslide) slope heat exchange deep drain hole design as claimed in claim 2, wherein the heat rod sleeve is replaced by a rigid plastic sleeve at the corner.
4. The design of the deep drainage hole for heat exchange in the side (landslide) slope of the seasonal frozen soil area according to claim 1, wherein the deep drainage hole uses a steel perforated pipe for drainage, the diameter of the steel perforated pipe is 80mm, the diameter of the steel perforated pipe is 5mm, the steel perforated pipe is arranged in a quincunx shape, and the steel perforated pipe can support the soil around the hole.
5. The novel deep drainage hole design for heat exchange on the side (landslide) slope of the seasonal frozen soil area according to claim 4, wherein the temperature sensors are arranged outside the steel perforated pipe at intervals of 3-5 m, and only one drainage pipe is required to be arranged at the head and the tail when the length of the drainage pipe is less than 5 m.
6. The novel design of deep drain hole of heat exchange in seasonal frozen soil zone side (landslide) slope according to claim 4, wherein a plastic drainage blind pipe is arranged in the steel drain pipe, the diameter of the plastic drainage blind pipe is 75mm, and the problem that soil is entrained to enter the drain pipe and drain out of the slope body during drainage, so that the drain hole is sunk and blocked is avoided.
7. The utility model provides a design of deep wash port of novel seasonal frozen soil district limit (landslide) slope heat exchange which characterized in that includes following step:
s1: determining a water level line: measuring the water level line of the slope body before construction, and determining the depth and the distribution condition of the water level line of the slope body;
s2: paying off and positioning: determining the positions and drilling angles of the hot rod and the deep drainage hole on the side (slide) slope, and measuring and marking the positions and drilling angles on the side (slide) slope;
s3: drilling deep drain holes: drilling holes at the positions of the side (slide) slope measuring marks, wherein the hole diameter of the deep drainage hole is 90mm, and the included angle between the drilling hole and the horizontal plane is between 100 and 150 degrees, so that drainage is facilitated;
s4: placing a deep drainage hole: clearing soil in a deep drainage hole, placing a steel perforated pipe, then placing a plastic blind pipe in the steel perforated pipe, fixing an orifice steel pipe after the drainage blind pipe is placed, arranging temperature sensors outside the drainage pipe, and arranging drainage pipes at intervals of 3-5 meters (one drainage pipe is arranged in front of and behind the drainage pipe with the interval of less than 5 meters);
s5: drilling a hot rod: drilling holes at the positions of the side (slide) slope measurement marks, wherein the hole diameter of the drilled hole of the hot rod is 100mm, and the included angle of the drilled hole is consistent with that of the drilled holes of the same group of drain holes, so that the reflux circulation of the heating medium is facilitated, the placement of the hot rod and the sleeve thereof is finished after the drilling of the hot rod is finished, and the sleeve of the drilled hole can be pulled out to prevent hole collapse;
s6: placing a hot bar: clearing soil in the hot rod hole, placing a hot rod sleeve and a hot rod, grouting and sealing the hot rod hole after the placement of the hot rod is finished, wrapping and fixing the hot rod at a heating section outside a side (slide) slope by plain concrete, connecting plain concrete blocks with the side (slide) slope by using phi 25 ribbed steel bars, and only reserving a part of the hot rod connected with a power supply;
s7: temperature monitoring: monitoring the temperature of the soil around the drain pipe, and starting heating when the temperature monitored by the temperature sensor reaches or is lower than a preset value of 0 ℃; and when all the temperature sensors monitor that the temperature reaches or exceeds a preset value of 5 ℃, stopping heating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210062008.5A CN114319390A (en) | 2022-01-19 | 2022-01-19 | Novel design of deep drain hole for heat exchange of side (slide) slope in seasonal frozen soil area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210062008.5A CN114319390A (en) | 2022-01-19 | 2022-01-19 | Novel design of deep drain hole for heat exchange of side (slide) slope in seasonal frozen soil area |
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| CN114319390A true CN114319390A (en) | 2022-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071338A (en) * | 2023-06-14 | 2023-11-17 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Novel water guide geotextile application method for high-speed railway drainage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102869136A (en) * | 2011-07-06 | 2013-01-09 | 苏州泰升电热设备有限公司 | Transformable heating tube |
| CN204199312U (en) * | 2014-10-13 | 2015-03-11 | 中铁建设集团有限公司 | The bright arranging device of foundation ditch underground water in winter |
| CN204608750U (en) * | 2015-04-13 | 2015-09-02 | 深圳市工勘岩土集团有限公司 | Durable gutter |
| CN107447746A (en) * | 2017-09-11 | 2017-12-08 | 中圣科技(江苏)有限公司 | A kind of heating system and installation method for preventing and treating seasonal frozen ground subgrade frost heave disaster |
| CN214366116U (en) * | 2021-02-07 | 2021-10-08 | 中铁二院工程集团有限责任公司 | Railway tunnel active anti-freezing system in seasonally frozen soil area |
-
2022
- 2022-01-19 CN CN202210062008.5A patent/CN114319390A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102869136A (en) * | 2011-07-06 | 2013-01-09 | 苏州泰升电热设备有限公司 | Transformable heating tube |
| CN204199312U (en) * | 2014-10-13 | 2015-03-11 | 中铁建设集团有限公司 | The bright arranging device of foundation ditch underground water in winter |
| CN204608750U (en) * | 2015-04-13 | 2015-09-02 | 深圳市工勘岩土集团有限公司 | Durable gutter |
| CN107447746A (en) * | 2017-09-11 | 2017-12-08 | 中圣科技(江苏)有限公司 | A kind of heating system and installation method for preventing and treating seasonal frozen ground subgrade frost heave disaster |
| CN214366116U (en) * | 2021-02-07 | 2021-10-08 | 中铁二院工程集团有限责任公司 | Railway tunnel active anti-freezing system in seasonally frozen soil area |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071338A (en) * | 2023-06-14 | 2023-11-17 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Novel water guide geotextile application method for high-speed railway drainage |
| CN117071338B (en) * | 2023-06-14 | 2024-04-19 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Novel water guide geotextile application method for high-speed railway drainage |
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