CN106595802A - Method of monitoring of underground water outside deep foundation pit, warning and automatic recharge construction - Google Patents
Method of monitoring of underground water outside deep foundation pit, warning and automatic recharge construction Download PDFInfo
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- CN106595802A CN106595802A CN201610980354.6A CN201610980354A CN106595802A CN 106595802 A CN106595802 A CN 106595802A CN 201610980354 A CN201610980354 A CN 201610980354A CN 106595802 A CN106595802 A CN 106595802A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 169
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title abstract description 11
- 238000001556 precipitation Methods 0.000 claims abstract description 19
- 239000003673 groundwater Substances 0.000 claims description 32
- 238000012806 monitoring device Methods 0.000 claims description 20
- 238000004062 sedimentation Methods 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 13
- 235000020681 well water Nutrition 0.000 claims description 5
- 239000002349 well water Substances 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 239000013589 supplement Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 241000876443 Varanus salvator Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/02—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention belongs to the technical field of recharge construction of underground water outside a deep foundation pit, and specifically relates to a method of monitoring of underground water outside deep foundation pit, warning and automatic recharge construction, solving the problem that the recharging effect of the underground water outside a deep foundation pit is bad and the recharging quality cannot guaranteed. The method includes the steps: digging a plurality of precipitation wells in a foundation pit; and collecting the underground water extracted by each precipitation well, and storing the underground water in a recharge water tank, wherein when the water level descends to a warning water level, the recharge water tank injects water in a recharge well; and when the underground water level achieves the normal water level, the recharging is over. The method utilizes the technique being able to recharge water tank to automatically supplement water, automatically monitoring the water level, warning and automatically starting and closing recharging, and realizes intelligentization and automation of the whole system including water for recharging, water level monitoring and recharging, thus guaranteeing timeliness and quality of recharging. The method of monitoring of underground water outside deep foundation pit, warning and automatic recharge construction does not participation of personnel, thus greatly reducing investment of labor and saving large amount of labor cost.
Description
Technical field
The invention belongs to the technical field that groundwater recharge is constructed on the outside of deep basal pit, and in particular to a kind of deep basal pit outside ground
Lower water monitoring, warning and automatic recharge construction method.
Background technology
Deep-foundation pit engineering in building engineering construction is more and more, particularly in the area that level of ground water is higher, need to carry out
The precipitation of foundation ditch inner side subsoil water, with convenient construction.In order to reduce foundation ditch inner side precipitation to foundation ditch outer periphery building, construct
The sedimentation and deformation of thing affects, and the subsoil water on the outside of foundation ditch need to be carried out to supplement recharge.Groundwater recharge applies on the outside of current foundation ditch
Work method is mainly manual observation level of ground water situation, and manually carries out recharge according to the decline situation of water level, needs to spend big
The man power and material of amount, and the situation of change of water level is grasped not in time, it is inaccurate；Recharge cannot be in time carried out in recharge,
The recharge water yield cannot carry out precise control, be also easy to produce recharge not in time, the phenomenon such as excess recharge, recharge is of low quality；Recharge is used
City tap-water being adopted water, water consumption is big, it is impossible to meet water-saving requirement more.
The content of the invention
The present invention is for poor, the problem that recharge quality cannot ensure that solves groundwater recharge effect on the outside of deep basal pit, there is provided
Groundwater monitoring on the outside of a kind of deep basal pit, report to the police and recharge construction method automatically.
The present invention adopts the following technical scheme that realization：
Groundwater monitoring, warning and automatic recharge construction method on the outside of deep basal pit, step is as follows：
1）, foundation ditch inner side beat some dewatering wells, the groundwater abstraction of immersible pump I, immersible pump I and three-level precipitation are set in each dewatering well
Pond connects, and immersible pump II is provided with three-level sedimentation tank,
2）, water table measure region be configured to lower water level observation well, water table measure region is foundation pit waterproof curtain outside
1-3m in the range of,
3）, level of ground water observation well in automatic water level monitoring device, automatic water level monitoring device and water level display phase are set
Connection, while automatic water level monitoring device is also associated with alarm,
4）, foundation ditch outer, dewatering well and inverted well centre position recharge water tank is set, in recharge water tank inlet and three-level sedimentation tank
Immersible pump II connect, recharge water outlet of water tank is connected by pipeline with some inverted wells, closes on the pipe of recharge water outlet of water tank
Arrange on road in pipeline pump, recharge water tank and liquid level sensor be set,
5）, immersible pump I subsoil water that each dewatering well is extracted is collected, import three-level sedimentation tank precipitation, immersible pump II will
Water after precipitation is stored in recharge water tank, and three-level sedimentation tank also sets another branch road connection city planting ductwork and greening construction is used
Water,
6）, when water level decreasing reaches warning line in the water level observation well of underground, automatic water level monitoring device output signal at once
To alarm, alarm starts A.C. contactor control pipeline pump valve and opens, and pipeline pump operation gives inverted well water filling；It is local
Water level is reached after ordinary water level in lower water level observation well, and automatic water level monitoring device outputs signal to alarm, and alarm starts
A.C. contactor control pipeline pump valve is closed, and recharge terminates,
7）, when liquid level attains to a high place in recharge water tank, liquid level sensor output signal, dewatering well collect subsoil water Jing three-levels
Water is entered city planting ductwork and greening construction water by precipitation.
Described dewatering well is on the inside of foundation ditch away from side slope 1～2m suitable for reading.
Described automatic water level monitoring device is fluid level transmitter.
Groundwater monitoring, warning and automatic recharge construction method on the outside of described deep basal pit, based on underground on the outside of deep basal pit
Water monitoring, warning and automatic recharge system are completed.
Hinge structure of the present invention has the advantages that：
1）The water source of the subsoil water as groundwater recharge on the outside of deep basal pit of precipitation extraction in deep basal pit is employed, finishes to adopt
City tap-water carries out the history of groundwater recharge, has saved great lot of water resources.
2）Employ automatic monitoring, the alarm technique of level of ground water, it is ensured that the promptness of water level monitoring, accuracy, and
Realize and alarm, whole process is not required to personnel's participation, reduces the input of manpower, facilitates the management of recharge ageing.
3）Intelligent Automatic Control technology is employed, overall process is realized automatic recharge, is automatically stopped, without the need for personnel's ginseng
With with SEA LEVEL VARIATION close ties, it is ensured that it is the timely of recharge, quality, controllable.
4）Whole process all employs recharge water tank automatic water supplement, and water level is monitored, reported to the police automatically, recharge automatic,
Closing technology, realization know clearly from recharge water, water level monitoring, recharge whole system intelligent, full-automation, it is ensured that recharge
Ageing and quality；Participate in without the need for personnel, greatly reduce the input of manpower, saved substantial amounts of labour cost.
Description of the drawings
Fig. 1 is present system schematic diagram
In figure：1- dewatering wells, 2- inverted wells, 3- levels of ground water observation well, 4- automatic water level monitoring devices, 5- recharge water tanks, 6-
Immersible pump I, 7- three-level sedimentation tanks, 8- immersible pumps II, 9- pipeline pumps, 10- liquid level sensors, 11- connection city planting ductworks and green
Change construction water, 12- A.C. contactors, 13- electric cabinets.
Specific embodiment
The specific embodiment of the present invention is described further with reference to accompanying drawing.
Groundwater monitoring, warning and automatic recharge construction method on the outside of deep basal pit, step is as follows：
1）, foundation ditch inner side beat some dewatering wells, the groundwater abstraction of immersible pump I, immersible pump I and three-level precipitation are set in each dewatering well
Pond connects, and immersible pump II is provided with three-level sedimentation tank,
2）, water table measure region be configured to lower water level observation well, water table measure region is foundation pit waterproof curtain outside
1-3m in the range of,
3）, level of ground water observation well in automatic water level monitoring device, automatic water level monitoring device and water level display phase are set
Connection, while automatic water level monitoring device is also associated with alarm,
4）, foundation ditch outer, dewatering well and inverted well centre position recharge water tank is set, in recharge water tank inlet and three-level sedimentation tank
Immersible pump II connect, recharge water outlet of water tank is connected by pipeline with some inverted wells, closes on the pipe of recharge water outlet of water tank
Arrange on road in pipeline pump, recharge water tank and liquid level sensor be set,
5）, immersible pump I subsoil water that each dewatering well is extracted is collected, import three-level sedimentation tank precipitation, immersible pump II will
Water after precipitation is stored in recharge water tank, and three-level sedimentation tank also sets another branch road connection city planting ductwork and greening construction is used
Water,
6）, when water level decreasing reaches warning line in the water level observation well of underground, automatic water level monitoring device output signal at once
To alarm, alarm starts A.C. contactor control pipeline pump valve and opens, and pipeline pump operation gives inverted well water filling；It is local
Water level is reached after ordinary water level in lower water level observation well, and automatic water level monitoring device outputs signal to alarm, and alarm starts
A.C. contactor control pipeline pump valve is closed, and recharge terminates,
7）, when liquid level attains to a high place in recharge water tank, liquid level sensor output signal, dewatering well collect subsoil water Jing three-levels
Water is entered city planting ductwork and greening construction water by precipitation.
Described dewatering well is on the inside of foundation ditch away from side slope 1～2m suitable for reading.
Described automatic water level monitoring device is fluid level transmitter.
Groundwater monitoring, warning and automatic recharge construction method on the outside of described deep basal pit, based on underground on the outside of deep basal pit
Water monitoring, warning and automatic recharge system are completed.Groundwater monitoring, warning and automatic recharge system include some on the outside of deep basal pit
Dewatering well, water level observation well, some inverted wells, recharge water tank and control section, described each dewatering well is arranged in foundation ditch
Side, is provided with the immersible pump I for groundwater abstraction in dewatering well, immersible pump I is connected with three-level sedimentation tank, in three-level sedimentation tank
Immersible pump II is provided with, described water level observation well is arranged in the range of the 1-3m on the outside of foundation pit waterproof curtain, water level observation well
Water level automatic detection device is inside provided with, described recharge water tank has water inlet and outlet, in water inlet and three-level sedimentation tank
Immersible pump II connect, outlet is connected with each inverted well, and water outlet arranges pipeline pump, and described control section includes water level
Automatic water level monitoring device in observation well, water level automatic detection device signal output part connects the signal input part of alarm,
The signal output part of alarm connects the signal input part of A.C. contactor, the signal output part connecting pipe pump of A.C. contactor
Control end.Three-level sedimentation tank is additionally provided with branch road connection city planting ductwork and greening construction water.Control section also includes
The liquid level controller arranged in recharge water tank, the signal output part control three-level sedimentation tank of liquid level controller and city planting ductwork and
Greening construction water connects the unlatching and cut-out of branch road.
Embodiment 1：
1）Recharge is installed with water tank
Two recharge water tanks are arranged at the construction field (site), water tank is connected with the three-level sedimentation tank of precipitation system, in three-level precipitation
Immersible pump is set in pond, liquid level controller is set in water tank, the automatic immersible pump moisturizing when water is required supplementation with water tank,
Water is used with guarantee recharge.The other end of water tank is connected with recharge pipeline, and sets electromagnetic switch valve.
2）Level monitor is installed in inspection well
After the completion of observation well construction, water monitor is installed in inspection well, and sets ordinary water level and warning line, monitor
Device is connected with water level alarm.
3）Recharge Pipe installing
When ground water recharging well, water-level observation well construction are completed, after recharge is with water tank installation, recharge pipeline and portion are carried out
Divide the installation of automatic recharge equipment.
4）Equipment is integrally debugged
After inverted well, inspection well, pipeline, water tank, automatic recharge equipment construction installation, whole equipment is debugged,
To ensure the normal operation of recharge system.
5）Water table measure and installation of reporting to the police
The water level monitor of observation of groundwater levels well is connected with water level alarm, when level of ground water drops to alert locations,
Water level monitor feeds water signal transmission level alarm, and alarm starts to report to the police.
6）Automatic recharge system figure
When level of ground water reaches alarming value, recharge system starts to start, and carries out the automatic recharge of subsoil water.Water level in inspection well
When reaching warning line, water level monitor outputs signal to alarm, and alarm starts A.C. contactor, connects electromagnetic switch valve
Power supply, controlled valve is opened, and gives inverted well water filling.After water level reaches ordinary water level in inspection well, water level monitor output letter
Number start A.C. contactor to alarm, alarm, cut off electromagnetic switch valve power supply, controlled valve is closed, and recharge terminates.
Claims (4)
1. groundwater monitoring on the outside of a kind of deep basal pit, report to the police and recharge construction method automatically, it is characterised in that step is as follows：
1）, foundation ditch inner side beat some dewatering wells, the groundwater abstraction of immersible pump I, immersible pump I and three-level precipitation are set in each dewatering well
Pond connects, and immersible pump II is provided with three-level sedimentation tank,
2）, water table measure region be configured to lower water level observation well, water table measure region is foundation pit waterproof curtain outside
1-3m in the range of,
3）, level of ground water observation well in automatic water level monitoring device, automatic water level monitoring device and water level display phase are set
Connection, while automatic water level monitoring device is also associated with alarm,
4）, foundation ditch outer, dewatering well and inverted well centre position recharge water tank is set, in recharge water tank inlet and three-level sedimentation tank
Immersible pump II connect, recharge water outlet of water tank is connected by pipeline with some inverted wells, closes on the pipe of recharge water outlet of water tank
Arrange on road in pipeline pump, recharge water tank and liquid level sensor be set,
5）, immersible pump I subsoil water that each dewatering well is extracted is collected, import three-level sedimentation tank precipitation, immersible pump II will
Water after precipitation is stored in recharge water tank, and three-level sedimentation tank also sets another branch road connection city planting ductwork and greening construction is used
Water,
6）, when water level decreasing reaches warning line in the water level observation well of underground, automatic water level monitoring device output signal at once
To alarm, alarm starts A.C. contactor control pipeline pump valve and opens, and pipeline pump operation gives inverted well water filling；It is local
Water level is reached after ordinary water level in lower water level observation well, and automatic water level monitoring device outputs signal to alarm, and alarm starts
A.C. contactor control pipeline pump valve is closed, and recharge terminates,
7）, when liquid level attains to a high place in recharge water tank, liquid level sensor output signal, dewatering well collect subsoil water Jing three-levels
Water is entered city planting ductwork and greening construction water by precipitation.
2. groundwater monitoring on the outside of deep basal pit according to claim 1, report to the police and recharge construction method automatically, its feature exists
In described dewatering well on the inside of foundation ditch away from side slope 1～2m suitable for reading.
3. groundwater monitoring on the outside of deep basal pit according to claim 1, report to the police and recharge construction method automatically, its feature exists
In automatic water level monitoring device be fluid level transmitter.
4. groundwater monitoring on the outside of deep basal pit according to claim 1, report to the police and recharge construction method automatically, its feature exists
Complete in groundwater monitoring on the outside of deep basal pit, warning and automatic recharge system is based on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610980354.6A CN106595802A (en) | 2016-11-08 | 2016-11-08 | Method of monitoring of underground water outside deep foundation pit, warning and automatic recharge construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610980354.6A CN106595802A (en) | 2016-11-08 | 2016-11-08 | Method of monitoring of underground water outside deep foundation pit, warning and automatic recharge construction |
Publications (1)
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| CN106595802A true CN106595802A (en) | 2017-04-26 |
Family
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| CN201610980354.6A Pending CN106595802A (en) | 2016-11-08 | 2016-11-08 | Method of monitoring of underground water outside deep foundation pit, warning and automatic recharge construction |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700505A (en) * | 2017-09-12 | 2018-02-16 | 上海建工建集团有限公司 | Deep foundation pit precipitation, purification, recharge integral system and control method |
| CN107989055A (en) * | 2017-11-01 | 2018-05-04 | 中国核工业第二二建设有限公司 | A kind of intelligence control system and control method for architectural engineering deep-well precipitation |
| CN109056767A (en) * | 2018-08-14 | 2018-12-21 | 中铁十二局集团有限公司 | A kind of rich water powder land floor precipitation and recharge construction method |
| CN110377085A (en) * | 2019-08-23 | 2019-10-25 | 北京市政路桥股份有限公司 | Automatic control device for recharge |
| CN110424429A (en) * | 2019-07-24 | 2019-11-08 | 武汉武建机械施工有限公司 | Dewatering well pump drainage automatic control system |
| CN112227394A (en) * | 2020-10-20 | 2021-01-15 | 贵州建工集团第一建筑工程有限责任公司 | Foundation pit water burst drainage recharge construction method |
| CN113123827A (en) * | 2021-03-10 | 2021-07-16 | 中煤科工集团沈阳设计研究院有限公司 | Internal circulation system for dewatering water-containing layer of strip mine |
| CN114059569A (en) * | 2021-10-29 | 2022-02-18 | 上海长凯岩土工程有限公司 | Positive and negative circulation gravel pack control system of dewatering well |
| CN114486683A (en) * | 2022-02-16 | 2022-05-13 | 上海工程技术大学 | Test device for simulating pumping in foundation pit and recharging underground water outside foundation pit |
| CN114594802A (en) * | 2022-03-02 | 2022-06-07 | 中建八局发展建设有限公司 | A deep foundation pit automatic precipitation and recharge operation system and control method |
| CN114809123A (en) * | 2022-04-02 | 2022-07-29 | 中能建路桥工程有限公司 | Multi-stage support foundation pit monitoring method |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700505A (en) * | 2017-09-12 | 2018-02-16 | 上海建工建集团有限公司 | Deep foundation pit precipitation, purification, recharge integral system and control method |
| CN107989055B (en) * | 2017-11-01 | 2024-03-15 | 中国核工业第二二建设有限公司 | Intelligent control system and control method for deep well precipitation of constructional engineering |
| CN107989055A (en) * | 2017-11-01 | 2018-05-04 | 中国核工业第二二建设有限公司 | A kind of intelligence control system and control method for architectural engineering deep-well precipitation |
| CN109056767A (en) * | 2018-08-14 | 2018-12-21 | 中铁十二局集团有限公司 | A kind of rich water powder land floor precipitation and recharge construction method |
| CN110424429A (en) * | 2019-07-24 | 2019-11-08 | 武汉武建机械施工有限公司 | Dewatering well pump drainage automatic control system |
| CN110377085A (en) * | 2019-08-23 | 2019-10-25 | 北京市政路桥股份有限公司 | Automatic control device for recharge |
| CN110377085B (en) * | 2019-08-23 | 2024-04-16 | 北京市政路桥股份有限公司 | Recharging automation control device |
| CN112227394A (en) * | 2020-10-20 | 2021-01-15 | 贵州建工集团第一建筑工程有限责任公司 | Foundation pit water burst drainage recharge construction method |
| CN113123827A (en) * | 2021-03-10 | 2021-07-16 | 中煤科工集团沈阳设计研究院有限公司 | Internal circulation system for dewatering water-containing layer of strip mine |
| CN114059569A (en) * | 2021-10-29 | 2022-02-18 | 上海长凯岩土工程有限公司 | Positive and negative circulation gravel pack control system of dewatering well |
| CN114486683B (en) * | 2022-02-16 | 2023-07-21 | 上海工程技术大学 | A test device for simulating pumping in foundation pits and recharging groundwater outside foundation pits |
| CN114486683A (en) * | 2022-02-16 | 2022-05-13 | 上海工程技术大学 | Test device for simulating pumping in foundation pit and recharging underground water outside foundation pit |
| CN114594802A (en) * | 2022-03-02 | 2022-06-07 | 中建八局发展建设有限公司 | A deep foundation pit automatic precipitation and recharge operation system and control method |
| CN114809123A (en) * | 2022-04-02 | 2022-07-29 | 中能建路桥工程有限公司 | Multi-stage support foundation pit monitoring method |
| CN114809123B (en) * | 2022-04-02 | 2024-05-24 | 中能建路桥工程有限公司 | Multistage support foundation pit monitoring method |
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Application publication date: 20170426 |
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