CN107023043A - A kind of deep foundation pit supporting construction monitoring and pre-alarming method - Google Patents
A kind of deep foundation pit supporting construction monitoring and pre-alarming method Download PDFInfo
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- CN107023043A CN107023043A CN201710384352.5A CN201710384352A CN107023043A CN 107023043 A CN107023043 A CN 107023043A CN 201710384352 A CN201710384352 A CN 201710384352A CN 107023043 A CN107023043 A CN 107023043A
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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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Abstract
The invention discloses a kind of deep foundation pit supporting construction monitoring and pre-alarming method, comprise the following steps：Step 1: the arrangement of pattern foundation pit supporting structure monitoring；Step 2：The monitoring of pattern foundation pit supporting structure；Step 3：Early warning；Internal force of support structure slight change and the change of soil layer character can be understood in time using monitoring and pre-alarming method of the present invention, observation information is fed back in time, preparation is made in advance to the harm Adjacent Buildings being likely to occur, deep basal pit safety, the dangerous situation of road safety, takes remedy and reinforcement measure in time.
Description
Technical field
The invention belongs to building field, and in particular to a kind of deep foundation pit supporting construction monitoring and pre-alarming method.
Background technology
Foundation Pit Support Design is often difficult to theoretically find quantitative analysis, Forecasting Methodology, especially under complex environment
Deep foundation pit support.It is exactly that the design insurance coefficient of slope retaining is determined big again in design, can also be because of digging in construction
The change of native order, the horizontal support of supporting construction stays the temporal change set, the factor such as uncertainty of soil layer and weather
The problem of causing unexpected.
The content of the invention
The technical problem to be solved in the present invention is：A kind of deep foundation pit supporting construction monitoring and pre-alarming method is provided, this hair is used
The bright monitoring and pre-alarming method can understand Internal force of support structure slight change and the change of soil layer character in time, and feedback is seen in time
Measurement information, makes preparation, in time in advance to the harm Adjacent Buildings being likely to occur, deep basal pit safety, the dangerous situation of road safety
Take and remedy and reinforcement measure.
The technical scheme that the present invention solves technical problem is as follows：
A kind of deep foundation pit supporting construction monitoring and pre-alarming method of the present invention, comprises the following steps：
Step one：The arrangement of pattern foundation pit supporting structure monitoring；
1. settlement observation datum mark and horizontal displacement observation datum mark are arranged：Settlement observation datum mark is used as horizontal position simultaneously
Move observation datum mark be arranged on foundation ditch to the coverage of surrounding environment outside, no less than 2, line flag is entered with red paint；
2. foundation ditch top and Adjacent Buildings settlement monitoring are arranged and horizontal displacement monitoring arrangement：It is specific according to job site
Situation determines the number of Excavation Settlement monitoring point and position and buried, while the building wall in foundation ditch coverage
On be also provided with Building's Subsidence Survey point；Excavation Settlement monitoring point is simultaneously as Foundation Pit monitoring point, while in foundation ditch
Constructure ground horizontal displacement monitoring point is set at the ground of the building in coverage；Each monitoring point is carried out with red paint
Mark；
3. water table measure arrangement：Determine that downcomer well location is put according to job site concrete condition, pass through the machine drill that drills
Hole, drilling depth reaches after requirement to be installed by concrete prefabricated pipe；
4. soil body vertical misalignment amount monitoring is arranged：Set multiple in the support pile of foundation ditch according to job site concrete condition
Inclinometer pipe, the steel reinforcement cage colligation of each inclinometer pipe and foundation pit supporting construction is buried, and colligation spacing is not preferably greater than 1.5m；Inclinometer pipe ttom of pipe
Preferably maintain an equal level or slightly below steel reinforcement cage bottom with steel reinforcement cage bottom；Good, seamless, joint jail should be docked on inclinometer pipe between down tube
Gu fixed and sealing；Inclinometer pipe lays rear levelling direction in place, makes to survey grooves perpendicular to monitoring surface a pair in pipe, i.e., parallel to position
Move direction；Top cover behind direction is adjusted, keeps clean, unobstructed and straight inside inclinometer pipe；
5. vertically and horizontally stress monitoring arrangement at pit earthwork excavation：Enclosed on the steel-pipe pile of foundation pit enclosure by parallel to foundation ditch
The direction welding stress meter of shield, is drawn and numbered by cable, measure initial value；
Step 2：The monitoring of pattern foundation pit supporting structure；According to foundation pit construction progress and the situation of change of monitoring object, regular prison is taken
Survey and the method for tracking and monitoring is monitored to above-mentioned each object, and form is made in Monitoring Data：Entered by precision level
Building before row foundation ditch top and the settlement monitoring of Adjacent Buildings, excavation of foundation pit around reply foundation ditch measures initial value, base
Hole excavate during, according to project progress and need to arrange for monitoring frequency carry out foundation ditch at the top of and Adjacent Buildings settlement monitoring；
Water table measure when more than engineering allowed band, is stood by being directly monitored to level of ground water height in precipitation pipe well
Take dewatering measure；The monitoring of soil body vertical misalignment amount is carried out by inclinometer, measure before excavation of foundation pit every inclinometer pipe at the beginning of
Initial value, after being measured after earth excavation according to monitoring frequency, draws deviation；Vertically and horizontally stress monitoring at pit earthwork excavation
It is monitored by the value of the stressometer on steel-pipe pile；Foundation ditch top and Adjacent Buildings horizontal displacement monitoring pass through in foundation ditch
Excavate and a survey station platform is set outside scope, be monitored by total powerstation using method of deflection angle；
Step 3：Early warning；On the premise of current specifications requirement is met, the 85% of each monitoring object design load is taken to be used as in advance
Alert value；When monitor value exceedes early warning value, early warning is sent.
Further, during 1. settlement observation datum mark and horizontal displacement observation datum mark are arranged in the step one, in base
To setting a standby settlement observation datum mark outside the coverage of surrounding environment when hole is excavated, while also serving as stand by margin position
Move observation datum mark.
Further, 2. foundation ditch top and Adjacent Buildings settlement monitoring are arranged and horizontal displacement monitoring in the step one
Arrange, each monitoring point of foundation ditch top layout arranges that each monitoring point is away from foundation ditch side 0.1m~0.2m, with top with spacing 15m~20m
Reinforcing bar embedment anchor face 10cm of the portion with "+" mark and reserved 6cm, are then carried out pouring protection with concrete, it is ensured that final reinforcing bar
Head exposes 1cm.
Further, 3. water table measure arrangement in the step one, the aperture of the precipitation pipe well is 300mm, eventually
The depth in hole is 5m or so below excavation of foundation pit depth design absolute altitude.
Further, 4. the monitoring of soil body vertical misalignment amount is arranged in the step one, and the inclinometer pipe is with 30m~40m's
Spacing is set, tube top 10cm~50cm above ground level of each inclinometer pipe.
Further, 5. vertically and horizontally stress monitoring arrangement at pit earthwork excavation in the step one, the stressometer with
Spacing 20m~30m spacing is laid.
Further, when in the step 2 to the settlement monitoring of foundation ditch top and Adjacent Buildings, using closed-loop path
Method, reduces measurement error.
Further, when being monitored in the step 2 to level of ground water, when level of ground water exceedes excavation of foundation pit face
During 0.5m~1m, dewatering measure is taken to precipitation pipe well immediately.
After deep foundation pit supporting construction monitoring and pre-alarming method of the present invention is applied in work progress, branch can be understood in time
The slight change of protection structure internal force and the change of soil layer character, feed back observation information in time, to the harm surrounding buildingses being likely to occur
Thing, deep basal pit safety, the dangerous situation of road safety make preparation in advance, take remedy and reinforcement measure in time, it is to avoid because not having
Take measures to cause other all kinds of accidents such as foundation pit collapse in time, practicality is very strong.
Brief description of the drawings
Floor map when Fig. 1 is foundation pit construction of the present invention；
Elevational schematic view when Fig. 2 is foundation pit construction of the present invention；
In figure：1. the inclinometer pipe 6. of 4. stressometer of settlement observation datum mark 2. settlement monitoring basic point, 3. precipitation pipe well 5.
The building of foundation ditch 7..
Embodiment
In order to preferably explain the present invention, come below in conjunction with the accompanying drawings with specific embodiment in the present invention is furture elucidated
Hold, but present disclosure is not limited only to following examples.
As shown in Figure 1 to Figure 2, a kind of deep foundation pit supporting construction monitoring and pre-alarming method, comprises the following steps：
Step one：The arrangement of pattern foundation pit supporting structure monitoring；
1. settlement observation datum mark 1 and horizontal displacement observation datum mark are arranged：Settlement observation datum mark 1 is used as level simultaneously
Displacement observation datum mark be arranged on foundation ditch 6 to the coverage of surrounding environment outside, no less than 2, line flag is entered with red paint；
2. foundation ditch top and Adjacent Buildings settlement monitoring are arranged and horizontal displacement monitoring arrangement：It is specific according to job site
Situation determines the number of Excavation Settlement monitoring point 2 and position and buried, while the building 7 in the coverage of foundation ditch 6
Building's Subsidence Survey point is also provided with metope；Excavation Settlement monitoring point 1 simultaneously as Foundation Pit monitoring point, while
Constructure ground horizontal displacement monitoring point is set at the ground of the building 7 in the coverage of foundation ditch 6；Each monitoring point reddish oil
Paint into line flag；
3. water table measure arrangement：The position of precipitation pipe well 3 is determined according to job site concrete condition, passes through the machine drill that drills
Hole, drilling depth reaches after requirement to be installed by concrete prefabricated pipe；
4. soil body vertical misalignment amount monitoring is arranged：Set many in the support pile of foundation ditch 6 according to job site concrete condition
Individual inclinometer pipe 5, the steel reinforcement cage colligation of each inclinometer pipe 5 and foundation pit supporting construction is buried, and colligation spacing is not preferably greater than 1.5m；Inclinometer pipe
5 ttom of pipe preferably maintain an equal level or slightly below steel reinforcement cage bottom with steel reinforcement cage bottom；It should be docked between down tube on inclinometer pipe 5 well, it is seamless, connect
It is fixedly secured and seals at head；Inclinometer pipe 5 lay it is in place after levelling direction, make to survey for a pair in pipe grooves perpendicular to monitoring surface, i.e.,
Parallel to direction of displacement；Top cover behind direction is adjusted, keeps clean, unobstructed and straight inside inclinometer pipe 5；
5. vertically and horizontally stress monitoring arrangement at pit earthwork excavation：Enclosed on the steel-pipe pile of foundation pit enclosure by parallel to foundation ditch
The direction welding stress meter 4 of shield, is drawn and numbered by cable, while measuring initial value；
Step 2：The monitoring of pattern foundation pit supporting structure；According to foundation pit construction progress and the situation of change of monitoring object, regular prison is taken
Survey and the method for tracking and monitoring is monitored to above-mentioned each object, and form is made in Monitoring Data；Entered by precision level
Row foundation ditch top and the settlement monitoring of Adjacent Buildings, the building before foundation ditch 6 is excavated around reply foundation ditch measure initial value, base
Hole 6 excavate during, according to project progress and need to arrange for monitoring frequency carry out foundation ditch at the top of and Adjacent Buildings settlement monitoring；
Water table measure when more than engineering allowed band, is stood by being directly monitored to level of ground water height in precipitation pipe well 3
Take dewatering measure；The monitoring of soil body vertical misalignment amount is carried out by inclinometer, and every inclinometer pipe 5 is measured before the excavation of foundation ditch 6
Initial value, after being measured after earth excavation according to monitoring frequency, draws deviation；Vertically and horizontally stress is supervised at pit earthwork excavation
Survey is monitored by the value of the stressometer 4 on steel-pipe pile,；At the top of foundation ditch and Adjacent Buildings horizontal displacement monitoring by
One survey station platform is set outside excavation of foundation pit scope, is monitored by total powerstation using method of deflection angle；
Generally, to the monitoring cycle 7 day 1 time of displacement, if tilt displacement amount >=60mm, it should carry out every 2 days 1 time
Encryption monitor and report client；
Step 3：Early warning；On the premise of current specifications requirement is met, the 85% of each monitoring object design load is taken to be used as in advance
Alert value；When monitor value exceedes early warning value, early warning is sent.
Generally, required according to related specifications, the continuous 3d of support pile horizontal displacement is no more than 3mm/d；Displacement total amount
Less than 3 ‰~the 5 ‰ of cutting depth, when pile lateral displacement speed once reaches that 3mm/d, or maximum displacement reach that excavation is deep
Degree 3 ‰ when, alarmed immediately to client；Surrounding road sinking speed is no more than 3mm/d, and sedimentation total amount is less than 15mm；Room
Room relative settlement is no more than 1/1000, otherwise alarms immediately；Stand column pile relative settlement is less than 10mm, and speed is less than 0.5mm/d；It is right
Need to take emergent arrange when inhering architecture bond structure crack width is more than 3mm or surrounding pavement crack width is more than 15mm
Apply；Stress, axle power take the 80% of design load as alarming value.
During 1. settlement observation datum mark and horizontal displacement observation datum mark are arranged in step one described in the present embodiment, in base
To setting a standby settlement observation datum mark outside the coverage of surrounding environment when hole 6 is excavated, while also serving as stand by margin
Displacement observation datum mark.
2. foundation ditch top and Adjacent Buildings settlement monitoring are arranged and horizontal displacement prison in step one described in the present embodiment
Survey and arrange, each monitoring point of the top layout of foundation ditch 6 is arranged with spacing 15m~20m, each monitoring point away from foundation ditch side 0.1m~0.2m,
With the reinforcing bar embedment anchor face 10cm and reserved 6cm of top tape "+" mark, then carried out pouring protection with concrete, it is ensured that final
Steel bar end exposes 1cm.
3. water table measure arrangement in step one described in the present embodiment, the aperture of the precipitation pipe well 3 is 300mm,
The depth in whole hole is 5m or so below excavation of foundation pit depth design absolute altitude.So design can be in excavation of foundation pit, by good time
Precipitation ensures that underground water will not be impacted to foundation ditch.
4. the monitoring of soil body vertical misalignment amount is arranged in the step one, and the inclinometer pipe 5 is set with 30m~40m spacing,
Tube top 10cm~50cm above ground level of each inclinometer pipe.
5. vertically and horizontally stress monitoring arrangement at pit earthwork excavation in the step one, the stressometer 4 with spacing 20m~
30m spacing is laid.
When in the step 2 to the settlement monitoring of foundation ditch top and Adjacent Buildings, using closed-loop process, reduction is surveyed
Measure error.
When being monitored in the step 2 to level of ground water, when level of ground water exceedes excavation of foundation pit face 0.5m~1m,
Dewatering measure is taken to precipitation pipe well 3 immediately.
Claims (8)
1. a kind of deep foundation pit supporting construction monitoring and pre-alarming method, comprises the following steps：
Step one：The arrangement of pattern foundation pit supporting structure monitoring；
1. settlement observation datum mark and horizontal displacement observation datum mark are arranged：Settlement observation datum mark is seen as horizontal displacement simultaneously
Survey datum mark be arranged on foundation ditch to the coverage of surrounding environment outside, no less than 2, line flag is entered with red paint；
2. foundation ditch top and Adjacent Buildings settlement monitoring are arranged and horizontal displacement monitoring arrangement：According to job site concrete condition
Determine the number of Excavation Settlement monitoring point and position and buried, while on the building wall in foundation ditch coverage
Building's Subsidence Survey point is set；Excavation Settlement monitoring point is simultaneously as Foundation Pit monitoring point, while in foundation ditch influence
In the range of building ground at set constructure ground horizontal displacement monitoring point；Each monitoring point red paint enters rower
Will；
3. water table measure arrangement：Determine that downcomer well location is put according to job site concrete condition, drilled by drilling machine, bored
Hole depth reaches after requirement to be installed by concrete prefabricated pipe；
4. soil body vertical misalignment amount monitoring is arranged：Multiple deviational surveys are set in the support pile of foundation ditch according to job site concrete condition
Pipe, the steel reinforcement cage colligation of each inclinometer pipe and foundation pit supporting construction is buried, and colligation spacing is not preferably greater than 1.5m；Inclinometer pipe ttom of pipe preferably with
Steel reinforcement cage bottom maintains an equal level or slightly below steel reinforcement cage bottom；It should be docked between down tube on inclinometer pipe well, seamless, joint is firmly solid
Fixed and sealing；Inclinometer pipe lays rear levelling direction in place, makes to survey grooves perpendicular to monitoring surface a pair in pipe, i.e., parallel to displacement side
To；Top cover behind direction is adjusted, keeps clean, unobstructed and straight inside inclinometer pipe；
5. vertically and horizontally stress monitoring arrangement at pit earthwork excavation：Pressed on the steel-pipe pile of foundation pit enclosure parallel to foundation pit enclosure
Direction welding stress meter, is drawn and numbered by cable, measure initial value；
Step 2：The monitoring of pattern foundation pit supporting structure；According to foundation pit construction progress and the situation of change of monitoring object, take periodic monitoring and
The method of tracking and monitoring is monitored to above-mentioned each object, and Monitoring Data is made into form；Base is carried out by precision level
Building before hole top and the settlement monitoring of Adjacent Buildings, excavation of foundation pit around reply foundation ditch measures initial value, and foundation ditch is opened
During digging, according to project progress and need to arrange for monitoring frequency carry out foundation ditch at the top of and Adjacent Buildings settlement monitoring；Underground
Water level monitoring when more than engineering allowed band, is adopted immediately by being directly monitored to level of ground water height in precipitation pipe well
Take dewatering measure；The monitoring of soil body vertical misalignment amount is carried out by inclinometer, and the initial value of every inclinometer pipe is measured before excavation of foundation pit,
After being measured after earth excavation according to monitoring frequency, deviation is drawn；Vertically and horizontally stress monitoring passes through at pit earthwork excavation
The value of stressometer on steel-pipe pile is monitored；Foundation ditch top and Adjacent Buildings horizontal displacement monitoring pass through in excavation of foundation pit
One survey station platform is set outside scope, is monitored by total powerstation using method of deflection angle；
Step 3：Early warning；On the premise of current specifications requirement is met, the 85% of each monitoring object design load is taken as early warning
Value；When monitor value exceedes early warning value, early warning is sent.
2. a kind of deep foundation pit supporting construction monitoring and pre-alarming method according to claim 1, it is characterised in that：In the step one
1. during settlement observation datum mark and horizontal displacement observation datum mark are arranged, in excavation of foundation pit to the coverage of surrounding environment outside
One standby settlement observation datum mark is set, while also serving as stand by margin displacement observation datum mark.
3. a kind of deep foundation pit supporting construction monitoring and pre-alarming method according to claim 1, it is characterised in that：In the step one
2. at the top of foundation ditch and Adjacent Buildings settlement monitoring is arranged and horizontal displacement monitoring arrangement, each monitoring point of foundation ditch top layout with
Spacing 15m~20m arrangements, each monitoring point is away from foundation ditch side 0.1m~0.2m, with the reinforcing bar embedment anchor face 10cm of top tape "+" mark
And reserved 6cm, then carried out pouring protection with concrete, it is ensured that final steel bar end exposes 1cm.
4. a kind of deep foundation pit supporting construction monitoring and pre-alarming method according to claim 1, it is characterised in that：In the step one
3. water table measure arrangement, the aperture of the precipitation pipe well is 300mm, and the depth in whole hole is excavation of foundation pit depth design absolute altitude
Following 5m or so.
5. a kind of deep foundation pit supporting construction monitoring and pre-alarming method according to claim 1, it is characterised in that：In the step one
4. soil body vertical misalignment amount monitoring is arranged, and the inclinometer pipe is set with 30m~40m spacing, and the tube top of each inclinometer pipe is higher by ground
Face 10cm~50cm.
6. a kind of deep foundation pit supporting construction monitoring and pre-alarming method according to claim 1, it is characterised in that：In the step one
5. vertically and horizontally stress monitoring arrangement at pit earthwork excavation, the stressometer is laid with spacing 20m~30m spacing.
7. a kind of deep foundation pit supporting construction monitoring and pre-alarming method according to claim 1, it is characterised in that：In the step 2
To at the top of foundation ditch and Adjacent Buildings settlement monitoring when, using closed-loop process, reduce measurement error.
8. a kind of deep foundation pit supporting construction monitoring and pre-alarming method according to claim 1, it is characterised in that：In the step 2
When being monitored to level of ground water, when level of ground water exceedes excavation of foundation pit face 0.5m~1m, drop is taken to precipitation pipe well immediately
Water measure.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316364A (en) * | 2018-01-26 | 2018-07-24 | 山东大学 | The monitoring method of pattern foundation pit supporting structure pile driving construction effect under a kind of overhead high iron wire |
| CN108343097A (en) * | 2018-01-26 | 2018-07-31 | 山东大学 | A kind of monitoring method of foundation pit rotary churning pile to overhead high-speed rail construction effect |
| CN108842746A (en) * | 2018-06-29 | 2018-11-20 | 重庆水利电力职业技术学院 | A kind of method of architectural engineering pit monitoring |
| CN108842819A (en) * | 2018-09-07 | 2018-11-20 | 中国能源建设集团安徽电力建设第工程有限公司 | A kind of urban track traffic cable run method for tunnel construction |
| CN108867718A (en) * | 2018-07-06 | 2018-11-23 | 中铁六局集团有限公司 | Subway station deep basal pit deeply mixing cement-soil pile monitors construction |
| CN108952683A (en) * | 2018-08-31 | 2018-12-07 | 重庆五诶科技有限公司 | Multi-parameter detects terminal in hole |
| CN112554247A (en) * | 2020-12-09 | 2021-03-26 | 中铁二十局集团第六工程有限公司 | Foundation pit monitoring system |
| CN115162426A (en) * | 2022-07-12 | 2022-10-11 | 中国二十冶集团有限公司 | Monitoring method for foundation pit enclosure deformation |
| CN115387409A (en) * | 2022-09-22 | 2022-11-25 | 中国建筑土木建设有限公司 | Deep foundation pit automatic integrated safety monitoring early warning system and method |
| CN115992535A (en) * | 2023-02-17 | 2023-04-21 | 中国十七冶集团有限公司 | Deep foundation pit deformation and settlement alarm device |
| CN117822607A (en) * | 2024-03-06 | 2024-04-05 | 吉林省华兴工程建设集团有限公司 | Deep foundation pit supporting structure is built in room |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316364A (en) * | 2018-01-26 | 2018-07-24 | 山东大学 | The monitoring method of pattern foundation pit supporting structure pile driving construction effect under a kind of overhead high iron wire |
| CN108343097A (en) * | 2018-01-26 | 2018-07-31 | 山东大学 | A kind of monitoring method of foundation pit rotary churning pile to overhead high-speed rail construction effect |
| CN108343097B (en) * | 2018-01-26 | 2019-10-18 | 山东大学 | A kind of monitoring method of foundation pit rotary churning pile to overhead high-speed rail construction effect |
| CN108316364B (en) * | 2018-01-26 | 2019-10-18 | 山东大学 | The monitoring method of pattern foundation pit supporting structure pile driving construction effect under a kind of overhead high iron wire |
| CN108842746A (en) * | 2018-06-29 | 2018-11-20 | 重庆水利电力职业技术学院 | A kind of method of architectural engineering pit monitoring |
| CN108867718A (en) * | 2018-07-06 | 2018-11-23 | 中铁六局集团有限公司 | Subway station deep basal pit deeply mixing cement-soil pile monitors construction |
| CN108952683B (en) * | 2018-08-31 | 2021-11-19 | 重庆五诶科技有限公司 | In-hole multi-parameter detection terminal |
| CN108952683A (en) * | 2018-08-31 | 2018-12-07 | 重庆五诶科技有限公司 | Multi-parameter detects terminal in hole |
| CN108842819B (en) * | 2018-09-07 | 2020-06-16 | 中国能源建设集团安徽电力建设第一工程有限公司 | Urban rail transit cable line tunnel construction method |
| CN108842819A (en) * | 2018-09-07 | 2018-11-20 | 中国能源建设集团安徽电力建设第工程有限公司 | A kind of urban track traffic cable run method for tunnel construction |
| CN112554247A (en) * | 2020-12-09 | 2021-03-26 | 中铁二十局集团第六工程有限公司 | Foundation pit monitoring system |
| CN115162426A (en) * | 2022-07-12 | 2022-10-11 | 中国二十冶集团有限公司 | Monitoring method for foundation pit enclosure deformation |
| CN115387409A (en) * | 2022-09-22 | 2022-11-25 | 中国建筑土木建设有限公司 | Deep foundation pit automatic integrated safety monitoring early warning system and method |
| CN115992535A (en) * | 2023-02-17 | 2023-04-21 | 中国十七冶集团有限公司 | Deep foundation pit deformation and settlement alarm device |
| CN117822607A (en) * | 2024-03-06 | 2024-04-05 | 吉林省华兴工程建设集团有限公司 | Deep foundation pit supporting structure is built in room |
| CN117822607B (en) * | 2024-03-06 | 2024-05-14 | 吉林省华兴工程建设集团有限公司 | Deep foundation pit supporting structure is built in room |
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