CN107576436B - Concrete stress monitoring device and method - Google Patents
Concrete stress monitoring device and method Download PDFInfo
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- CN107576436B CN107576436B CN201710821483.5A CN201710821483A CN107576436B CN 107576436 B CN107576436 B CN 107576436B CN 201710821483 A CN201710821483 A CN 201710821483A CN 107576436 B CN107576436 B CN 107576436B
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Abstract
The present invention provides a kind of concrete stress monitoring device and methods, belong to the realm of building construction, concrete stress monitoring device, including monitor for stress and data transmission device, monitor for stress and connect with data transmission device signal.Concrete stress monitoring method, including pre-buried step: the monitor for stress in above-mentioned concrete stress monitoring device is embedded into concrete；Processing step: the data in the data sink in above-mentioned concrete stress monitoring device are extracted, and arrange according to the sequencing of data, table is made.This concrete stress monitoring device and method, by being monitored simultaneously to concrete stress and pressure, so as to obtain the stress of concrete lift from zero to pressure again to the process of drawing, so as to draw out the stress time history plot of concrete lift.
Description
Technical field
The present invention relates to the realm of building construction, in particular to a kind of concrete stress monitoring device and method.
Background technique
There is a hardening process from soft to hard after concreting, along with fever, elasticity modulus and intensity with age
Phase improves, creeping becomes smaller with age, generates autogenous volumetric deformation etc., these factors act under when concrete lift stress have
One from zero to pressure again to the process of drawing, it is possible to create the tensile stress in crack is related with whole process.
It is by being embedded in concrete and its basic rock mass mostly for the stress of large volume concrete structural, strain regime
In instrument be monitored.There are many flush type stress monitoring instruments, such as unstressed meter, pressure cell, reinforcing rib meter, anchor stress
Meter, anchor dynamometer etc..These instruments can be manufactured using different principles, they have the different scope of application.But it is existing
Monitoring device in technology can not obtain compression and tensile stress in course of hardening simultaneously, to influence whether to supervise
Survey the precision of result.
Summary of the invention
The present invention provides a kind of concrete stress monitoring devices, it is intended to solve concrete stress monitoring dress in the prior art
Set the existing above problem.
The present invention also provides a kind of concrete stress monitoring methods, it is intended to solve concrete stress in the prior art and monitor
The above problem existing for method.
The present invention is implemented as follows:
A kind of concrete stress monitoring device, for monitoring the stress variation in course of hardening, including stress prison
It surveys device and data transmission device, the monitor for stress is connected with the data transmission device signal；
The monitor for stress includes pulling force monitoring part, pressure monitoring part and data transmission wires, the pulling force prison
Survey part and data transmission wires electrical connection, the pressure monitoring part and data transmission wires electrical connection, the data
Transfer wire and data transmission device electrical connection；
The pulling force monitoring part is connected with the pressure monitoring part, has accommodation space, institute on the monitor for stress
State the inside that data transmission wires are at least partially arranged at the accommodation space.
In preferred embodiments of the present invention, the pulling force monitoring part and the pressure monitoring part are detachably connected, described
Pulling force monitoring part is set as multiple, and the pressure monitoring part is set as multiple, multiple pulling force monitoring parts and multiple pressures
Power monitors alternate intervals setting between part.
In preferred embodiments of the present invention, multiple pulling force monitoring parts and multiple pressure monitoring parts are in the appearance
Spatial peripheral of receiving is distributed in a ring.
It further include data sink in preferred embodiments of the present invention, the data sink and the data
The connection of transmitting device signal.
In preferred embodiments of the present invention, there is wireless signal transmitting device, the nothing on the data transmission device
Line sender unit is used to emit the signal in the data transmission device.
It further include signal analysis device in preferred embodiments of the present invention, the signal analysis device is for analyzing institute
State received signal in data sink.
In preferred embodiments of the present invention, the signal analysis device is computer or mobile phone.
A kind of concrete stress monitoring method, walks for monitoring the stress variation in course of hardening, including as follows
It is rapid:
Pre-buried step: the monitor for stress in above-mentioned concrete stress monitoring device is embedded into concrete
In；
Processing step: the data in the data sink in above-mentioned concrete stress monitoring device are extracted
Come, is arranged according to the sequencing of data, table is made.
Further include following steps in preferred embodiments of the present invention:
It terminates step: the data in the data sink in above-mentioned concrete stress monitoring device is extracted
Come, according to the sequencing of time, in the progress of stress at any time, when gradually tending towards stability, that is, terminates monitoring.
Further include following steps in preferred embodiments of the present invention:
Analytical procedure: analyzing table obtained in processing step, obtains maximum stress and minimum stress numerical value.
The beneficial effects of the present invention are: concrete stress monitoring device and method that the present invention obtains by above-mentioned design,
By being monitored simultaneously to concrete stress and pressure, so as to obtain the stress of concrete lift from zero to pressure again to
The process of drawing, so as to draw out the stress time history plot of concrete lift.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram for the first concrete stress monitoring device that embodiment of the present invention provides；
Fig. 2 is the cross-sectional view of the structure for the first concrete stress monitoring device that embodiment of the present invention provides；
Fig. 3 is the structural schematic diagram for second of concrete stress monitoring device that embodiment of the present invention provides；
Fig. 4 is the cross-sectional view of the structure for second of concrete stress monitoring device that embodiment of the present invention provides；
Fig. 5 is the structural schematic diagram for the third concrete stress monitoring device that embodiment of the present invention provides；
Fig. 6 is the connection schematic diagram for the concrete stress monitoring device that embodiment of the present invention provides.
Icon: 100- concrete stress monitoring device；110- monitor for stress；111- pulling force monitors part；112- is accommodated
Space；113- pressure monitoring part；120- data transmission wires；130- data transmission device；140- data sink；150- letter
Number analytical equipment.
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.Based on the embodiment in the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this
Invent the range of protection.
In the description of the present invention, it is to be understood that, indicating position or the term of positional relationship are based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than the equipment of indication or suggestion meaning
Or element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be on or below second feature
Directly contacted including the first and second features, also may include the first and second features be not direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature second spy
Right above sign and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature it
Under, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of first feature horizontal height
Less than second feature.
Embodiment one
A kind of concrete stress monitoring device 100 is present embodiments provided, Fig. 1 and Fig. 2, this concrete stress are please referred to
Monitoring device 100 includes monitor for stress 110 and data transmission device 130, monitor for stress 110 and data transmission device
The connection of 130 signals.
Monitor for stress 110 includes pulling force monitoring part 111, pressure monitoring part 113 and data transmission wires 120, is drawn
Power monitors part 111 and data transmission wires 120 are electrically connected, and pressure monitoring part 113 and data transmission wires 120 are electrically connected, data
Transfer wire 120 and data transmission device 130 are electrically connected.
Data transmission wires 120 are set as multiple, quantity and pulling force the monitoring part 111 and pressure of data transmission wires 120
It is identical to monitor the sum of quantity of part 113, shielded layer is arranged in data transmission wires 120, shielded layer is for preventing data from transmitting
Electric current interferes with each other between conducting wire 120.
It include multiple signal incoming ends and multiple signal output ends, signal incoming end and signal on data transmission device 130
Output end number is identical, and signal input part and signal output end connect one to one, and signal input part is passed with corresponding data respectively
Transporting line 120 is electrically connected.
In the present embodiment, pulling force monitoring part 111 is diaphragm type tensiometer, and pressure monitoring part 113 is diaphragm-type pressure gauge,
Due to diaphragm type tensiometer and diaphragm-type pressure gauge small volume, so as to adapt to a variety of different environment, use scope
It is relatively wide.
In the present embodiment, the surface of diaphragm type tensiometer and the surface of diaphragm-type pressure gauge are coated with epoxy resin, use
Surface uniform force in the surface and diaphragm-type pressure gauge for guaranteeing diaphragm type tensiometer.
Pulling force monitors part 111 and pressure monitoring part 113 connects, and has accommodation space 112, number on monitor for stress 110
The inside of accommodation space 112 is at least partially arranged at according to transfer wire 120.
Fig. 3 and Fig. 4 are please referred to, in the present embodiment, pulling force monitoring part 111 and pressure monitoring part 113 are detachably connected, and are drawn
Power monitoring part 111 is set as multiple, and pressure monitoring part 113 is set as multiple, multiple pulling force monitoring parts 111 and multiple pressure monitorings
Alternate intervals are arranged between part 113.So that the numerical error that pulling force monitoring part 111 and pressure monitoring part 113 measure
It is smaller.
Certainly, in other examples, pulling force monitoring part 111 and pressure monitoring part 113 can also be disposed as one,
Only need while having pulling force monitoring part 111 and pressure monitoring part 113, and pulling force monitoring part 111 and pressure monitoring part
113 connections.
Fig. 3 and Fig. 4 are please referred to, in the present embodiment, multiple pulling force monitoring parts 111 and multiple pressure monitoring parts 113 are holding
It receives and is distributed around space 112 in a ring.So as to realize the measurement of pulling force and pressure in multiple directions, the essence of measurement is improved
Degree.
Certainly, in other examples, pulling force monitoring part 111 and pressure monitoring part 113 can also be using flat at one
Either other aligning methods are spaced apart in face, it is only necessary to deposit simultaneously between pulling force monitoring part 111 and pressure monitoring part 113
And at the same time monitoring.
Referring to Fig. 5, in the present embodiment, concrete stress monitoring device 100 further includes data sink 140, number
It is connected according to reception device 140 with 130 signal of data transmission device.
In the present embodiment, data sink 140 is computer or mobile phone.Certainly, in other examples, number
According to reception device 140 or other devices, it is only necessary to can receive the signal transmitted in data transmission device 130 i.e.
It can.
Referring to Fig. 5, in the present embodiment, there is wireless signal transmitting device, wireless signal on data transmission device 130
Generating device is used to emit the signal in data transmission device 130.So as to realize long-range monitoring.
Certainly, in other examples, data transmission device 130 can also using other modes such as 2G, 3G, 4G into
Row signal transmission, it is only necessary to which signal can be transferred to data receiver dress by data transmission device 130 from monitor for stress 110
It sets in 140.
Referring to Fig. 5, in the present embodiment, concrete stress monitoring device 100 further includes signal analysis device 150, letter
Number analytical equipment 150 is for analyzing received signal in data sink 140.
In the present embodiment, signal analysis device 150 is that computer in other examples, can also use certainly
The either artificial mode of mobile phone carries out signal analysis, it is only necessary to can carry out to the signal obtained in monitor for stress 110
Analysis.
The working principle of concrete stress monitoring device 100 provided in this embodiment is at work, to utilize pulling force
Part 111 and pressure monitoring part 113 are monitored, the pulling force and pressure that concrete receives in hardening process can be measured simultaneously, and
Since pulling force monitoring part 111 and pressure monitoring part 113 are disposed as multiple, multiple pulling force monitoring parts 111 and multiple pressure monitorings
Part 113 is alternatively arranged, and can measure the stress in a region in multiple directions, improves sample collection, reduces error, and data
Signal is passed to data sink 140 by transmitting device 130, this process can use wireless network either 2G, 3G, 4G etc.
Signal transmission so as to realize the long-range reception of data, and utilizes the data received, can draw using the time as abscissa
Power or pressure are ordinate, a chart are drawn, so as to obtain pulling force and pressure of the concrete in hardening process
Variation, drawing icon can use the progress of the software on computer or handset device, so as to realize the real-time of data
Monitoring, real-time update.
Embodiment two
The method for present embodiments providing a kind of monitoring of concrete stress, referring to Fig. 6, firstly, be pre-buried step, it will be real
The concrete stress monitoring device 100 provided in example one is applied to be embedded into concrete.
The data transmission wires 120 in concrete monitoring device are stretched out concrete and are used for and data transmission device 130 at this time
Connection.
Then monitor for stress 110 and data transmission device 130 in concrete monitoring device is kept to connect.
Then it is processing step, the data receiver in the concrete stress monitoring device 100 provided in embodiment one is filled
The data set in 140 extract, and arrange according to the sequencing of data, using the time as X-axis, to answer masterpiece in concrete
For Y-axis, to draw icon.
In the present embodiment, further include terminating step, the data in monitor for stress 110 that embodiment one provides are connect
Data in receiving apparatus 140 extract, and are gradually tended towards stability according to the sequencing of test specimen in stress with the progress of test specimen
When, that is, terminate monitoring.
Further include analytical procedure, table obtained in processing step is analyzed, obtains maximum stress and minimum stress
Numerical value.
Finally include check and correction step, concrete stress monitoring device 100 is carried out to remove error by the method for calibration.
The method of concrete stress monitoring provided in this embodiment has the beneficial effect that, mixed by what is provided in embodiment one
Solidifying soil stress monitoring device 100 can make pulling force and pressure in concrete carry out while monitor, and due to volume compared with
Small, applicability with higher, the scope of application is wider, since conducting wire is when through electric streaming data, will cause data
There is a certain error, and removes error by the method for calibration, and the precision of monitoring can be improved, and will be counted by wireless signal
It is transferred in data sink 140 according to the signal in transmitting device 130, may be implemented remotely to monitor, improve working efficiency.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of concrete stress monitoring device, for monitoring the stress variation in course of hardening, which is characterized in that packet
Monitor for stress and data transmission device are included, the monitor for stress is connected with the data transmission device signal；
The monitor for stress includes that pulling force monitoring part, pressure monitoring part and data transmission wires, the pulling force monitor part
It is electrically connected with the data transmission wires, the pressure monitoring part and data transmission wires electrical connection, the data transmission
Conducting wire and data transmission device electrical connection；
The pulling force monitoring part is connected with the pressure monitoring part, has accommodation space, the number on the monitor for stress
The inside of the accommodation space is at least partially arranged at according to transfer wire；
The pulling force monitoring part and the pressure monitoring part are detachably connected, and the pulling force monitoring part is set as multiple, the pressure
Power monitoring part is set as multiple, alternate intervals setting between multiple pulling force monitoring parts and multiple pressure monitoring parts；
Multiple pulling force monitoring parts and multiple pressure monitoring parts are distributed in a ring around the accommodation space.
2. concrete stress monitoring device according to claim 1, which is characterized in that it further include data sink, institute
Data sink is stated to connect with the data transmission device signal.
3. concrete stress monitoring device according to claim 2, which is characterized in that have on the data transmission device
Wireless signal transmitting device, the wireless signal transmitting device are used to emit the signal in the data transmission device.
4. concrete stress monitoring device according to claim 3, which is characterized in that it further include signal analysis device, institute
Signal analysis device is stated for analyzing received signal in the data sink.
5. concrete stress monitoring device according to claim 4, which is characterized in that the signal analysis device is to calculate
Machine or mobile phone.
6. a kind of concrete stress monitoring method, for monitoring the stress variation in course of hardening, which is characterized in that packet
Include following steps:
Pre-buried step: by the stress monitoring in concrete stress monitoring device described in any one of claim 2-5
Device is embedded into concrete；
Processing step: by the data receiver in concrete stress monitoring device described in any one of claim 2-5
Data in device extract, and arrange according to the sequencing of data, table is made.
7. concrete stress monitoring method according to claim 6, which is characterized in that further include following steps:
Terminate step: by the data receiver in concrete stress monitoring device described in any one of claim 2-5
Data in device extract, according to the sequencing of time, in the progress of stress at any time, and when gradually tending towards stability,
Terminate monitoring.
8. concrete stress monitoring method according to claim 6, which is characterized in that further include following steps:
Analytical procedure: analyzing table obtained in processing step, obtains maximum stress and minimum stress numerical value.
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| CN112556891B (en) * | 2020-11-20 | 2021-08-17 | 中国水利水电科学研究院 | Concrete whole life period internal stress state monitoring device based on film type sensor |
| CN113237588B (en) * | 2021-04-21 | 2022-05-17 | 中国科学院武汉岩土力学研究所 | Support axial force monitoring method and system considering concrete shrinkage and creep influence |
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| CN1227530C (en) * | 2002-09-16 | 2005-11-16 | 欧进萍 | Clever concrete sensor component |
| CN2655237Y (en) * | 2003-11-19 | 2004-11-10 | 吴思刚 | Intelligent cement concrete sensor |
| CN201181268Y (en) * | 2008-03-04 | 2009-01-14 | 东南大学 | Concrete durability test instrument |
| JP2014088687A (en) * | 2012-10-29 | 2014-05-15 | Yokoyama Kiso Koji:Kk | Method for creating pile body |
| JP6316643B2 (en) * | 2014-04-22 | 2018-04-25 | ジェイアール東日本コンサルタンツ株式会社 | Anchor structure |
| CN204422109U (en) * | 2015-03-13 | 2015-06-24 | 中国电建集团昆明勘测设计研究院有限公司 | Device for monitoring concrete stress |
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