CN203066091U - Monitoring system of foundation pit dewatering and pumping test - Google Patents

Monitoring system of foundation pit dewatering and pumping test Download PDF

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Publication number
CN203066091U
CN203066091U CN 201220617097 CN201220617097U CN203066091U CN 203066091 U CN203066091 U CN 203066091U CN 201220617097 CN201220617097 CN 201220617097 CN 201220617097 U CN201220617097 U CN 201220617097U CN 203066091 U CN203066091 U CN 203066091U
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monitoring system
foundation pit
monitoring
data
automatic
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瞿成松
徐丹
张国强
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Shanghai Changkai Geotechnical Engineering Co Ltd
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Shanghai Changkai Geotechnical Engineering Co Ltd
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Abstract

The utility model relates to a monitoring system used for monitoring and controlling underground construction foundation pit dewatering and a pumping test, and aims to provide the monitoring system of the foundation pit dewatering and the pumping test,wherein the monitoring system of the foundation pit dewatering and the pumping test can carry out real-time tracking monitoring and control on the foundation pit dewatering and the pumping test, traces and checks the foundation pit dewatering and the pumping test timely, controls possible risks in advance, guarantees excavation safety of a foundation pit and enables ground water data information to be immediate and accurate. The monitoring system comprises an automatic monitoring data acquisition device, a data automatic acquisition device, a data display device and a network uploading device. The automatic monitoring data acquisition device is connected with the data automatic acquisition device. The data automatic acquisition device is respectively connected with the data display device and the network uploading device. The monitoring system of the foundation pit dewatering and the pumping test can carry out teal-time monitoring, timely alarming and quick reaction on multiple parameters of the foundation pit, greatly improves safety of foundation pit engineer operation and accuracy of test, and guarantees that monitoring integration is in normal operation on the condition of unattended operation.

Description

Foundation pit dewatering and pumping test monitoring system
Technical field
The utility model relates to the automation fields of numeric control technique, specifically, relates to a kind of for monitoring and control underground construction foundation pit dewatering and pumping test monitoring system.
Background technology
Underground engineering construction mainly is excavation of foundation pit, in digging process, because phreatic existence has serious security threat to excavation of foundation pit.Particularly deep big foundation pit all will reduce phreatic water level earlier by water pump before the excavation, carries out foundation pit dewatering.The strict pumping test of doing before the foundation pit dewatering and during the prospecting is wanted the strict water level of controlling artesian water in test and the foundation pit dewatering process, precipitation is excessive or precipitation is not in place all may cause major hidden danger.The excessive meeting of precipitation has a strong impact on surrounding environment and causes surface settlement, the precipitation excavation of foundation pit safety that then influences not in place.Special in a large amount of ultra-deep foundation pit digging processs, foundation pit dewatering and pumping test water level, the water yield and settlement Control seem particularly important.
The utility model content
The purpose of this utility model provides a kind of foundation pit dewatering and pumping test monitoring system; can carry out real-time tracking monitoring and control to foundation pit dewatering and pumping test; foundation pit dewatering and pumping test are carried out the real-time tracking detection; contingent risk is controlled in advance, guaranteed that excavation of foundation pit safety and ground water number it is believed that breath is correct immediately.
The purpose of this utility model is achieved in that
A kind of foundation pit dewatering and pumping test monitoring system, comprise: automatic monitoring data collecting device, automatic data collection equipment, data display equipment and network uploading device, described automatic monitoring data collecting device is connected with automatic data collection equipment, and described automatic data collection equipment is connected with the network uploading device with data display equipment respectively.
The automatic monitoring data collecting device transfers to automatic data collection equipment with each parameter of foundation ditch that collects, and automatic data collection equipment shows it at data display equipment, and online transmission automatically.
Further, described automatic monitoring data collecting device comprises: flow meter, be located on the water pipe, and be used for acquisition testing point water yield parameter; The water level meter is located in the foundation ditch observation well, is used for temperature parameter and the phreatic pressure parameter of acquisition testing point; Soil body settlement gauge is located at ground and each strata division place, is used for the sedimentation parameter of acquisition testing point; Automatic data collection equipment is connected by the frequency-dependent signal line with flow meter, water level meter and soil body settlement gauge respectively, and described water yield parameter, temperature parameter, pressure parameter, sedimentation parameter transfer to described automatic data collection equipment by the frequency-dependent signal line.
Wherein, described observation well comprises the observation well observation well outer with being arranged in foundation ditch that is arranged in the foundation ditch.
Described flow is counted electromagnetism fluid flowmeter or ultrasonic flowmeter; Described water level is counted pore pressure gauge or level sensor; Described data display equipment is computer display or LED display; Described network uploading device is main frame.
Further, described water level meter comprises a data register, a temperature pick up, a pressure sensor and a battery, is installed in the waterproof outer cover.Battery can use long battery in application life, and waterproof outer cover is the more options stainless steel as required, and the water level meter is placed in the waterproof outer cover, and volume is little and difficultly corroded by external environment condition, and is non-maintaining.The user can be according to demand be arranged on the reading duration interval of described water level meter between 0.5 second to 99 hours.
The utility model is owing to adopted technique scheme, compare with conventional art and to have following beneficial effect: the utility model foundation pit dewatering and pumping test monitoring system are by the design of automatic monitoring data collecting device, automatic data collection equipment, data display equipment and network uploading device, realize the detection of each parameter of foundation ditch and the automation of maintenance, need not manual measurement; And data monitored is preserved automatically, and can show at display device, reaches real-time and visual; Owing to monitor automatically, data have successional characteristics simultaneously.Thereby, the utility model foundation pit dewatering and pumping test monitoring system can accomplish the multi-parameter of foundation ditch is monitored in real time, in time reports to the police, reacted rapidly, improved the safety of base pit engineering operation and the accuracy of test greatly, and can guarantee that monitoring is integrated in normally operation under the unattended situation.
Description of drawings
By following embodiments of the invention and description taken together with the accompanying drawings, other advantage of the present invention and feature are shown, this embodiment provides with the form of example, but is not limited to this, wherein:
Fig. 1 is the system architecture schematic diagram of an embodiment of the utility model foundation pit dewatering and pumping test monitoring system.
The specific embodiment
Foundation pit dewatering as shown in Figure 1 and pumping test monitoring system, comprise: automatic monitoring data collecting device 1, automatic data collection equipment 2, data display equipment 3 and network uploading device 4, automatic monitoring data collecting device 1 is connected with automatic data collection equipment 2, and automatic data collection equipment 2 is connected with network uploading device 4 with data display equipment 3 respectively.
Automatic monitoring data collecting device 1 transfers to automatic data collection equipment 2 with each parameter of foundation ditch that collects, and automatic data collection equipment 2 shows it, and transmits automatically by network equipment for surfing the net 4 at data display equipment 3.
Further, automatic monitoring data collecting device 1 comprises: flow meter 11, be located on the water pipe, and be used for acquisition testing point water yield parameter; Water level meter 12 is located in the foundation ditch observation well, is used for temperature parameter and the phreatic pressure parameter of acquisition testing point; Soil body settlement gauge 13 is located at ground and each strata division place, is used for the sedimentation parameter of acquisition testing point; Automatic data collection equipment 2 is connected by the frequency-dependent signal line with flow meter 11, water level meter 12 and soil body settlement gauge 13 respectively, and measured water yield parameter, pressure parameter, sedimentation parameter transfer to described automatic data collection equipment 2 by the frequency-dependent signal line.
Wherein, described observation well comprises the observation well observation well outer with being arranged in foundation ditch that is arranged in the foundation ditch.
Flow meter 11 is electromagnetism fluid flowmeter or ultrasonic flowmeter; Water level meter 12 is pore pressure gauge or level sensor; Data display equipment 2 can be computer display or LED display; Network uploading device 4 is main frame.
In the present embodiment, described water level meter 12 monitoring automatically adopts the wireless remote mode to monitor the groundwater level situation in real time, 3001 type Levelogger Junior water level meters comprise a data register, temperature pick up, pressure sensor and the battery in 5 year life-span, it is little to be installed in a volume, non-maintaining, in the stainless steel waterproof outer cover that discharges water.Principal character is a permanent memory, can store 32000 groups of temperature and waterlevel data.The user can carry out linear reading by select time at interval between 0.5 second to 99 hours.Precision is 0.1%FS.The water level meter with
Figure BDA00002434819300031
Gold software and annex compatibility, simultaneously also with the SDI-12 protocol-compliant, SDI-12 is a kind of interface mode of standard, it provides linking number to adopt and the method for the sensor of intelligence.SDI-12 has occupied serial data interface, and the baud rate of use is 1200 baud.Can with
Figure BDA00002434819300032
The Gold data transmission unit carries out communication, also can with
Figure BDA00002434819300033
Automatic measurement system is integrated.
Described soil body settlement gauge 13 automatic monitorings also adopt the wireless remote mode to monitor the settlement monitoring on ground in real time.Surface settlement monitoring automatically is made up of soil body settlement gauge, detection and control terminal, system server and monitoring of software.Detection and control terminal mainly comprises signal picker, wireless data transfer module (GPRS), electric power system and equipment cabinets.System server and monitoring of software receive the data of far-end settlement monitoring point in real time and show in real time the result, carry out the sedimentation situation that WEB browses the monitoring point according to later demand software is scalable for the multi-user.Soil body settlement gauge is buried installation underground being fixed on observation well G9 with cement, is used for small vertical displacement between measuring transducer and the fluid reservoir.Select for use soil body settlement gauge technical specification to be: range 0.1-5m, piezoelectric transducer, precision ± 0.1%F.S, minimum resolution reaches 0.025%F.S, thermal drift ± 0.1%F.S/ ℃, fluid reservoir is PVC and ABS, de aerated water anti-icing fluid, ventilation cable I RC-41A (P), IRC-390, CFO-3STD, CFO-9RF.The GPRS wireless communication module adopts DTCL-GPRS/CDMA DTU wireless data transmission terminal.Utilize mobile phone GPRS network or cdma network platform to realize the transparent transmission of data message.Support is selected according to the multiple mode of operation of domain name and visit center, IP address, supports serial ports software upgrading and remote maintenance.GPRS/CDMA utilizes existing GSM/CDMA net to carry out real-time Data Transmission, realizes getting online without being tethered to a cable wireless access.GPRS/CDMA allows to transmit and receive data under end-to-end packet transfer mode, guarantees to be stabilized in the transmission speed about 23KBPS when high-speed motion.Software systems realize browsing data and operation in the web client; The data issuing web site, the data externally issue on Internet with gathering realizes data storage, inquiry, engineering management, field data is collected, is shown and control, realizes engineering, authority, data release management.

Claims (8)

1. a foundation pit dewatering and pumping test monitoring system, it is characterized in that, comprise: automatic monitoring data collecting device, automatic data collection equipment, data display equipment and network uploading device, described automatic monitoring data collecting device is connected with automatic data collection equipment, and described automatic data collection equipment is connected with the network uploading device with data display equipment respectively; Wherein,
Described automatic monitoring data collecting device comprises: flow meter, be located on the water pipe, and be used for acquisition testing point water yield parameter; The water level meter is located in the foundation ditch observation well, is used for temperature parameter and the phreatic pressure parameter of acquisition testing point; Soil body settlement gauge is located at ground and each strata division place, is used for the sedimentation parameter of acquisition testing point; Automatic data collection equipment is connected by the frequency-dependent signal line with flow meter, water level meter and soil body settlement gauge respectively, and described water yield parameter, temperature parameter, pressure parameter, sedimentation parameter transfer to described automatic data collection equipment by the frequency-dependent signal line.
2. monitoring system as claimed in claim 1 is characterized in that: described observation well comprises and is arranged in the observation well in the foundation ditch and is arranged in the outer observation well of foundation ditch.
3. monitoring system as claimed in claim 1, it is characterized in that: described flow is counted electromagnetism fluid flowmeter or ultrasonic flowmeter.
4. monitoring system as claimed in claim 1, it is characterized in that: described water level is counted pore pressure gauge or level sensor.
5. monitoring system as claimed in claim 1, it is characterized in that: described water level meter comprises a data register, a temperature pick up, a pressure sensor and a battery, is installed in the waterproof outer cover.
6. monitoring system as claimed in claim 5, it is characterized in that: the reading duration interval of described water level meter is between 0.5 second to 99 hours.
7. monitoring system as claimed in claim 1, it is characterized in that: described data display equipment is computer display or LED display.
8. monitoring system as claimed in claim 1, it is characterized in that: described network uploading device is main frame.
CN 201220617097 2012-11-20 2012-11-20 Monitoring system of foundation pit dewatering and pumping test Expired - Lifetime CN203066091U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103603330A (en) * 2013-11-08 2014-02-26 河海大学 Method for using total station instrument to measure horizontal displacement of deep soil
CN104895038A (en) * 2015-06-11 2015-09-09 同济大学 System and method for monitoring long-term performance of slope segment foundation pit discharge decompression anti-floating technology
CN105201000A (en) * 2015-09-28 2015-12-30 中国十七冶集团有限公司 Wide foundation pit precipitation method capable of remotely monitoring
CN106245662A (en) * 2016-09-07 2016-12-21 上海隧道工程有限公司 Monitoring system and monitoring method thereof for foundation ditch well-points dewatering
CN107245994A (en) * 2017-06-27 2017-10-13 中铁第四勘察设计院集团有限公司 It is a kind of based on pre-judging method of the deep foundation pit precipitation to high ferro roadbed safety effects
CN108118725A (en) * 2017-12-04 2018-06-05 上海交通大学 The experimental rig and method of base pit dewatering in equivalent material simulating artesian aquifer
CN108170174A (en) * 2017-12-27 2018-06-15 山东大学 A kind of Pumping Test for Steady Flow temperature survey and volume control device and method
CN108825225A (en) * 2018-06-14 2018-11-16 贵州省地质矿产勘查开发局111地质大队 Joint type water level and water temperature measuring device
CN110068365A (en) * 2019-05-21 2019-07-30 中铁七局集团有限公司 For the water level subsidence monitoring system and method for being saturated soft loess formation
CN113756318A (en) * 2021-09-28 2021-12-07 北京住总集团有限责任公司 Dynamic monitoring system and method for drainage process of ultra-large deep foundation pit

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103603330A (en) * 2013-11-08 2014-02-26 河海大学 Method for using total station instrument to measure horizontal displacement of deep soil
CN104895038A (en) * 2015-06-11 2015-09-09 同济大学 System and method for monitoring long-term performance of slope segment foundation pit discharge decompression anti-floating technology
CN105201000A (en) * 2015-09-28 2015-12-30 中国十七冶集团有限公司 Wide foundation pit precipitation method capable of remotely monitoring
CN106245662A (en) * 2016-09-07 2016-12-21 上海隧道工程有限公司 Monitoring system and monitoring method thereof for foundation ditch well-points dewatering
CN107245994B (en) * 2017-06-27 2019-07-09 中铁第四勘察设计院集团有限公司 It is a kind of based on deep foundation pit precipitation to the pre-judging method of high-speed rail roadbed safety effects
CN107245994A (en) * 2017-06-27 2017-10-13 中铁第四勘察设计院集团有限公司 It is a kind of based on pre-judging method of the deep foundation pit precipitation to high ferro roadbed safety effects
CN108118725A (en) * 2017-12-04 2018-06-05 上海交通大学 The experimental rig and method of base pit dewatering in equivalent material simulating artesian aquifer
CN108118725B (en) * 2017-12-04 2019-06-07 上海交通大学 The experimental rig and method of base pit dewatering in equivalent material simulating artesian aquifer
CN108170174A (en) * 2017-12-27 2018-06-15 山东大学 A kind of Pumping Test for Steady Flow temperature survey and volume control device and method
CN108825225A (en) * 2018-06-14 2018-11-16 贵州省地质矿产勘查开发局111地质大队 Joint type water level and water temperature measuring device
CN110068365A (en) * 2019-05-21 2019-07-30 中铁七局集团有限公司 For the water level subsidence monitoring system and method for being saturated soft loess formation
CN113756318A (en) * 2021-09-28 2021-12-07 北京住总集团有限责任公司 Dynamic monitoring system and method for drainage process of ultra-large deep foundation pit
CN113756318B (en) * 2021-09-28 2022-11-18 北京住总集团有限责任公司 Dynamic monitoring system and method for drainage process of ultra-large deep foundation pit

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