CN110056189A - A method of control mass concrete construction is monitored using Internet of Things - Google Patents
A method of control mass concrete construction is monitored using Internet of Things Download PDFInfo
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- CN110056189A CN110056189A CN201910346994.5A CN201910346994A CN110056189A CN 110056189 A CN110056189 A CN 110056189A CN 201910346994 A CN201910346994 A CN 201910346994A CN 110056189 A CN110056189 A CN 110056189A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/246—Safety or protective measures preventing damage to building parts or finishing work during construction specially adapted for curing concrete in situ, e.g. by covering it with protective sheets
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
A method of control mass concrete construction is monitored using Internet of Things, using Internet of Things intelligent wireless Concrete Temperature Monitor System, record the internal and external temperature of the collected casting of concrete in mass process of sensor in real time automatically by way of wireless transmission, and storage and intellectual analysis are carried out to long-range real-time data collection by background server, automatically generate historical data table and temperature curve trend graph, solid data foundation is provided for technology analysis, and controls concrete temperature by adjusting cooling water pipe water temperature and water velocity and casting method.The present invention has the characteristics that construction efficiency height, process safety, short time limit, cost reduce, energy conservation and environmental protection and construction quality are easily guaranteed that.
Description
Technical field
The present invention relates to a kind of methods for monitoring control mass concrete construction using Internet of Things.
Background technique
The quality of main material of the concrete as large scale structure, construction quality has biggish shadow to construction quality
Ring, for the generation for reducing mass concrete temperature stress and desciccation crack, need to concrete transport, pour and maintenance waited
It carries out in real time, effectively, being accurately monitored and controlled in journey.And technology of Internet of things is the important composition portion of generation information technology
Point, and the important development stage in " informationization " epoch, it is considered to be world information industry develops after computer, internet
Third wave.Meanwhile the appearance of BIM accelerates technology of Internet of things and is applied in construction, and technology of Internet of things is applied to soil
Wood engineering construction is of great significance for the development of construction industry.
Summary of the invention
In order to make up above-mentioned deficiency, the present invention relocates one phase of engineering Comprehensive Medical Building engineering as specifically using hospital, Jinjiang City
Enforcement place provides a kind of method for monitoring control mass concrete construction using Internet of Things, it uses Internet of Things intelligent wireless
Concrete Temperature Monitor System, the record collected mass concrete of sensor pours in real time automatically by way of wireless transmission
The internal and external temperature of process is built, and storage and intellectual analysis are carried out to long-range real-time data collection by background server, it is automatic raw
At historical data table and temperature curve trend graph, solid data foundation is provided for technology analysis, and by adjusting cooling water pipe
Water temperature and water velocity and casting method control concrete temperature, it is not only effectively reduced fugitive dust and noise, but also significant
Improve the management level and operating efficiency of various aspects；The present invention provides data for the ratio of mud selection in concrete mix
Analysis, to obtain more excellent match ratio, effectively improves large volume concrete structural internal soundness.
Therefore, the present invention has construction efficiency height, process safety, short time limit, cost reduction, energy conservation and environmental protection and engineering matter
The characteristics of amount is easily guaranteed that.
In order to achieve the above object, the present invention takes following particular technique measure: a kind of big using Internet of Things monitoring control
Volume concrete construction method, which is characterized in that this method specifically includes the following steps:
First, preparation of construction, preparation of construction includes material preparation, technique preparation, construction arrangement；
Wherein, material prepares specifically: engineering structure concrete is all made of commerical ready-mixed concrete, preferential to select qualification height, society's letter
Praise, technical strength it is strong, and ready-mixed concrete supplier of its factory site distance field haul distance within 15 kilometers, to meet construction
The needs of on-site concrete continuous placing；
Wherein, technique preparation specifically: according to the specific requirement of mix-design principle and engineering, in conjunction with similar engineering experience and
Heavy construction practice proposes requirement of the engineering for raw material and mix-design, and selects most reasonable mix by trial
Solidifying soil match ratio；Construction before be directed to Mass Concrete Construction Technology process and work progress points for attention, to operator into
The comprehensive careful safe practice of row is told somebody what one's real intentions are；
Wherein, construction arranges specifically: ensures concrete construction quality；Fully consider structure design characteristic, rationalization arranges
Construction；In conjunction with spot plane deployment scenarios, reasonable arrangement pump line arrangement and traffic organization；
Massive Concrete top plate uses disposable continuous placing mode, to avoid cold seam is generated, it is ensured that construction quality；Weight
Point carries out temperature control to the component of single concreting amount；
Second, BIM model and optimization are created, it includes:
1. creating the three-dimensional digitalization model of live general arrangement, including Office Area, living area, template area, road using software of siping tea
The information such as road, reinforcing steel processing shed, tower crane, construction elevator, placing of material and main structure；By construction unit project leader, set
Count unit project leader, surveying unit project leader, supervising engineer, unit in charge of construction person in charge of the technology aspect, project manager and
The related personnel such as Project Technical responsible person discuss the reasonability of the three-dimensional digitalization model of live general arrangement jointly, and to model
Shortcoming optimizes, and starts arrangement scene to reach rear unit in charge of construction without demur, each side；
2. creating casting of concrete in mass three-dimensional animation model, arrangement, set aside pre-embedded hole including reinforcing bar using revit software
Hole, spray pipe network and concrete pour the information such as sequence；
Third, environment on-line intelligence monitoring system, it is that linkage spray system, social publicity screen, command centre are detected by environment
System composition；
Wherein, environment detecting linkage spray system can the 7 overall situation critical datas such as PM value to construction site carry out real-time monitoring,
Display, acquisition and real-time automatic statistical analysis, if environmental data be more than early warning value will automatic alarm and automatically starting spray etc.
Press dirt equipment；And store, show dust from construction sites data and video image, the opening and closing record of interlocking equipment passes through network for retrospect
It is uploaded to possession supervisory organ, meets possession policy requirements；
Wherein, social publicity screen, it can promote building site civilized construction image and social public trust, receive, shows dust from construction sites number
According to average value；
Wherein, command center system, it includes the system integration, display screen, server, its energy centralized displaying fugitive dust software harnesses is flat
Platform and dregs vehicle intelligent cleaning control platform, can live preview system front end picture, understand field condition convenient for intuitive, so as to
In Real-Time Scheduling and emergency command；
4th, mixing plant Internet of Things framework, mixing plant is specifically included by material storing system, material weighing system, material conveying
System, stirring system, powder stocking system, powder delivery system, powder metering system, water and additive metering system and control
System, it is managed the transport of concrete mixer truck using Radio Frequency Identification Technology, and is collected with stirring station control system
At；
Step 1, test block self-desiccation temperature-humidity monitoring, specifically:
1, prepare concrete test block one, concrete test block two, concrete test block three, pvc pipe, mold,
Wherein, the ratio of mud of concrete test block one is respectively 0.5, and the ratio of mud of concrete test block two is respectively 0.41, concrete
The ratio of mud of test block three is respectively 0.31；
Wherein, pvc pipe both ends open is smooth, and length, outer diameter and wall thickness are respectively 100mm, 20mm and 2mm；
Wherein, mold is the cube plastics that inside dimension side length is 150mm；
It 2, is implantation at the center of cube concrete sample of 150mm by pvc pipe implantation side length when concrete sample initial set
Depth is 75mm, then smoothes out the surface slurry on concrete sample, and block pvc pipe upper port with long pipeline transmitter,
Demoulding is carried out after surface covering thin film moisturizing standard specimen 1d, and package three is sealed to concrete sample with preservative film immediately
Layer, preservative film intersection is sealed with hinge, to form concrete test block one, concrete test block two, concrete test block three；
Due to concrete sample surface approximation waterproof state, therefore it is believed that the interior humidity variation of concrete sample is imitated by self-desiccation substantially
It should cause；
3, shown by the experiment of concrete test block one, concrete test block two, concrete test block three: three kinds of Different Water-Cement Ratio are mixed
Solidifying soil test block, the ratio of mud is lower, and duration moisture-saturated phase is shorter, and self-desiccation phenomenon is more obvious, inside concrete sample
When slow desiccation, slowly shrinking will occur in concrete sample, this has parsed mass concrete engineering and has deducted temperature components
The long-term unstable mechanism of unstressed meter deformation measured value, therefore draw a conclusion are as follows: comprehensively consider in the reasonable scope other each
The higher concrete of the ratio of mud is selected after factor as far as possible；
Step 2, scaffold installation, specifically: every 2 step 3 of frame body is across one company's wall point of setting, in every floor mark of frame column
A high position installs even wall anchor ear；All satisfactions hold out against jail or add horizontal hoop with structural column with building surrounding wall column binds round firm water
The end of flat bar should all be connect with structure, enhance the rigidity of entire support system；Under any circumstance, the top of high carriage must
Horizontal geotextile must be set；
Step 3, template installation, it includes shear wall formwork program, Liang Zhimo program, plate formwork program,
Wherein, shear wall formwork program specifically includes unwrapping wire positioning → template installation built-in fitting → installation one side template in place → peace
Another side template and support → adjustment template position → fastening are through walls in place for dress support → insertion through-wall bolt and casing → installation
Bolt → fixation support → inspection corrects → connects adjacent forms → is inspected for acceptance；
Wherein, Liang Zhimo program, which specifically includes, sets up full hall frame → pilot measurement absolute altitude → laying lumps of wood → installation bed die → installation curb girder
Mould → inspect for acceptance；
Wherein, plate formwork program, which specifically includes, sets up full hall frame → pilot measurement absolute altitude → laying lumps of wood → laying template → inspection and tests
It receives；
Step 4, reinforcing bar binding, it includes that shear force wall reinforcing steel bar binds program, beam steel bar colligation program, slab muscle binding program,
Wherein, shear force wall reinforcing steel bar binding program specifically include binding sleeper reinforcing bar → binding concealed beam reinforcing bar → vertical shear wall main reinforcement →
Binding horizontal force muscle → inspect for acceptance；
Wherein, beam steel bar colligation program specifically include the picture beam stirrup position line → putting stirrup → wear beam stress muscle → binding stirrup →
It inspects for acceptance；
Wherein, slab muscle binding program specifically include drawing board main reinforcement and the distributing reinforcement position line → putting main reinforcement → put distributing reinforcement →
Binding plate muscle → pad cushion block of concrete bar protective layer or limiting card → is inspected for acceptance；
Step 5, circulating water cooling piping network installation, specifically: after the completion of wall, roof steel bar binding, pacify between reinforced mesh
Cooling cooling water circulation pipe network is filled, cooling cooling water circulation pipe network is connect using DN50 coating steel pipe silk, and the one of coating steel pipe
Pipe end enters as circulation water inlet, cooling water from circulation water inlet, and another pipe end of coating steel pipe is cold as circulating water outlet
But water is flowed out from circulating water outlet, and after concreting, reinforced mesh and coating steel pipe can be wrapped up by concrete；
3 temperature measuring points are arranged in step 6, temperature measuring point arrangement, AC axis wall, and according to the long average branch of wall, middle part pillar arranges 5
Temperature measuring point；2500mm thickness reversed beam sets 4 temperature measuring points, and 4 temperature measuring points are arranged in 1300 slabs；
Vertical reinforcement and building frame reinforcing bar realized by binding and fixed, each temperature measuring point according to concrete to pour thickness preparatory
Vertically embedded sensor probe, the vertical spacing of sensor probe are arranged by the spacing no more than 600mm for layering, and sensor is visited
The line and vertical reinforcement of head are realized by binding to be fixed, and each connecting line does not knot winding, leads to vertical reinforcement in parallel and upwards
Upper end and connect with wireless collection device, wireless collection device is installed on the top of vertical reinforcement, and each sensor probe hangs down
It is straight downwards and not touch vertical reinforcement, so that the concrete after pouring be enable sufficiently to wrap up sensor probe, each sensor
Connector difference label corresponds to the embedding depth of each sensor probe；
Wherein, wireless collection device is installed specifically: wireless collection device is mounted on the height and position from base surface 1m, wirelessly
The port of collector is numbered respectively, the buried depth of the sensor probe of each port connection is recorded according to number, different buries
The sensor probe for setting depth can correspond to the different temperature of inside concrete；
The frequency acquisition of wireless collection device is to be set as 3~30 minutes, and after wireless collection device is opened, wireless collection device can be by thermometric
Data are sent to concentrator by wireless transmission；
Wherein, the installation of concentrator specifically: concentrator is connected with the mains and antenna according to site contour situation is placed on signal
Stable position, and place upwards, it is ensured that the data transfer signals for receiving each live wireless collection device can be covered, to mixed
After the completion of solidifying soil pours, opening concentrator can start to monitor the temperature of concrete；
Step 7, casting concrete；
Step 8, prevention of mass concrete temperature monitor and control, including thermometric monitoring data are collected and thermometric detection data arranges inquiry,
Wherein, thermometric monitoring data are collected specifically: construction site thermometric point data was at interval of test one in 3~30 minutes or so
Secondary, after concreting, wireless collection device collects temperature by the sensor being embedded in concrete, is sent to concentration
Device, concentrator are sent to internet cloud using GPRS signal and store, whole temperature datas that instant recording is monitored, and automatic
The historical data of generation monitors table；
Wherein, thermometric detection data arranges inquiry specifically: graphically according to live temperature measurement data table platform of internet of things
Directviewing description temperature variations can become to the heating, cooling of mass concrete according to temperature logs tendency chart is automatically generated
Gesture provide science data query foundation, at any time inquire mass concrete in table temperature difference whether control 25 DEG C of ranges it
It is interior, to examine Temperature Controlling of Mass Concrete measure whether effective, and the automatic alarm when temperature reaches warning value；When temperature reaches
When to warning value, the temperature for reducing cooling circulating water can be used and improve water velocity, to take away inside concrete heat；
Step 9, the intelligent spray maintenance of concrete, specifically: before template is not installed, in board bottom face and shear wall two sides DN25
Pvc pipe a set of water pipe spray pipe network curing system is installed；After concreting is completed, wall and board bottom template are not removed, is adopted
Wet curing is opened with spray head shower head, keeps metope and top plate end template to remain wet, while reaching maintenance and wetting
The purpose that template is contacted with concrete surface；Concrete roof face builds three skins using film covering showering curing or in roof perimeter
Solid machine-made brick discharges water after masonry mortar has intensity and carries out water storing conservation, water-storage depth 50mm；
Spray interval time should also be according to being adjusted round the clock, and general day temperature is high, and humidity is low, corresponding to spray interval time certainly
It is dynamic to shorten；Evening temperature is low, and humidity is high, and corresponding spray interval time automatically prolongs；
Under conditions of not using hot water to conserve, when temperature is lower than 5 DEG C, sprinkling curing system does not start, and prevents from freezing；In temperature
When higher than 40 DEG C cumulative times are more than 15min, sprinkling curing system force start is to adjust temperature；When humidity is greater than 90%, spray
Leaching curing system does not start；
Step 10, prevention of mass concrete maintenance measure are removed, specifically: concrete is detected in mass concrete temperature monitoring system
When temperature is dropped by less than 2 DEG C/h, the surface temperature of concrete and environment maximum temperature difference less than 20 DEG C, concrete curing material is removed
Material, rear stage need to only carry out water seasoning.
The building frame reinforcing bar includes shear force wall reinforcing steel bar, beam steel, slab muscle.
The present invention is in strict accordance with " concrete structure engineering construction quality accident specification " GB50204-2015, " concrete knot
Structure design specification " GB50010-2010, " mass concrete engineering job specfication " GB50496-2012, " computer product is opened
Fat file works out guide " GB8567-88, " electric system real-time data communication application layer protocol " DL476-92, " computer software
Development specifications " GB8566-88, " remote terminal unit general technical specifications " GB/T13729-92, " mass concrete temperature observing and controlling skill
Art specification " GBT51028-2015 standard execute.
The beneficial effects of the present invention are, it have construction efficiency height, process safety, short time limit, cost reduction, energy conservation and environmental protection with
And construction quality the characteristics of being easily guaranteed that.
The present invention is further explained with reference to the accompanying drawings and examples.
Detailed description of the invention
Fig. 1 is construction process block diagram of the present invention;
Fig. 2 is concrete test block inside relative humiture change curve in the present invention；
Fig. 3 is the circulating water cooling piping network installation schematic diagram of top plate in the present invention;
Fig. 4 is that temperature measuring point buries structural schematic diagram in the present invention.
In Fig. 2: the 1- first stage, 2- second stage, 3- relative humidity %, 4- temperature/DEG C, the examination of 5- age/d, 6- concrete
Block one, 7- concrete test block two, 8- concrete test block three, 9- ambient humidity, 10- environment temperature.
In Fig. 3: A1- recycles water inlet, A2- coating steel pipe, A3- circulating water outlet.
In Fig. 4: B1- vertical reinforcement, B2- wireless collection device, B3- sensor probe, B4- building frame reinforcing bar.
Specific embodiment
The present invention relocates one phase of engineering Comprehensive Medical Building engineering as specific implementation place using hospital, Jinjiang City, provides as follows
Specific embodiment.
As shown in Figure 1, a kind of method for monitoring control mass concrete construction using Internet of Things, which is characterized in that should
Method specifically includes the following steps:
Step 1, test block self-desiccation temperature-humidity monitoring, specifically:
1, prepare concrete test block 1, concrete test block 27, concrete test block 38, pvc pipe, mold,
Wherein, the ratio of mud of concrete test block 1 is respectively 0.5, and the ratio of mud of concrete test block 27 is respectively 0.41, coagulation
The ratio of mud of native test block 38 is respectively 0.31；
Wherein, pvc pipe both ends open is smooth, and length, outer diameter and wall thickness are respectively 100mm, 20mm and 2mm；
Wherein, mold is the cube plastics that inside dimension side length is 150mm；
It 2, is implantation at the center of cube concrete sample of 150mm by pvc pipe implantation side length when concrete sample initial set
Depth is 75mm, then smoothes out the surface slurry on concrete sample, and block pvc pipe upper port with long pipeline transmitter,
Demoulding is carried out after surface covering thin film moisturizing standard specimen 1d, and package three is sealed to concrete sample with preservative film immediately
Layer, preservative film intersection is sealed with hinge, to form concrete test block 1, concrete test block 27, concrete test block
38；Due to concrete sample surface approximation waterproof state, therefore it is believed that the interior humidity of concrete sample changes substantially by doing certainly
Dry effect causes；
3, shown by the experiment of concrete test block 1, concrete test block 27, concrete test block 38: the three of Different Water-Cement Ratio
Kind concrete test block, the ratio of mud is lower, and duration moisture-saturated phase is shorter, and self-desiccation phenomenon is more obvious, and works as concrete sample
When internal slow desiccation, slowly shrinking will occur in concrete sample, this has parsed mass concrete engineering and has deducted temperature
The long-term unstable mechanism of unstressed meter deformation measured value of component, therefore draw a conclusion are as follows: it is comprehensively considered in the reasonable scope
The higher concrete of the ratio of mud is selected after its each factor as far as possible；
Step 2, scaffold installation, specifically: every 2 step 3 of frame body is across one company's wall point of setting, in every floor mark of frame column
A high position installs even wall anchor ear；All satisfactions hold out against jail or add horizontal hoop with structural column with building surrounding wall column binds round firm water
The end of flat bar should all be connect with structure, enhance the rigidity of entire support system；Under any circumstance, the top of high carriage must
Horizontal geotextile must be set；
Step 3, template installation, it includes shear wall formwork program, Liang Zhimo program, plate formwork program,
Wherein, shear wall formwork program specifically includes unwrapping wire positioning → template installation built-in fitting → installation one side template in place → peace
Another side template and support → adjustment template position → fastening are through walls in place for dress support → insertion through-wall bolt and casing → installation
Bolt → fixation support → inspection corrects → connects adjacent forms → is inspected for acceptance；
Wherein, Liang Zhimo program, which specifically includes, sets up full hall frame → pilot measurement absolute altitude → laying lumps of wood → installation bed die → installation curb girder
Mould → inspect for acceptance；
Wherein, plate formwork program, which specifically includes, sets up full hall frame → pilot measurement absolute altitude → laying lumps of wood → laying template → inspection and tests
It receives；
Step 4, reinforcing bar binding, it includes that shear force wall reinforcing steel bar binds program, beam steel bar colligation program, slab muscle binding program,
Wherein, shear force wall reinforcing steel bar binding program specifically include binding sleeper reinforcing bar → binding concealed beam reinforcing bar → vertical shear wall main reinforcement →
Binding horizontal force muscle → inspect for acceptance；
Wherein, beam steel bar colligation program specifically include the picture beam stirrup position line → putting stirrup → wear beam stress muscle → binding stirrup →
It inspects for acceptance；
Wherein, slab muscle binding program specifically include drawing board main reinforcement and the distributing reinforcement position line → putting main reinforcement → put distributing reinforcement →
Binding plate muscle → pad cushion block of concrete bar protective layer or limiting card → is inspected for acceptance；
Step 5, circulating water cooling piping network installation, as shown in figure 3, specifically: after the completion of wall, roof steel bar binding, in reinforcing bar
Cooling cooling water circulation pipe network is installed between mesh sheet, cooling cooling water circulation pipe network is connect using DN50 coating steel pipe A2,
A pipe end of coating steel pipe A2 enters as circulation water inlet A1, cooling water from circulation water inlet A1, and coating steel pipe A2's is another
As circulating water outlet A3, cooling water flows out pipe end from circulating water outlet A3, after concreting, reinforced mesh and galvanized steel
Pipe A2 can be wrapped up by concrete；
3 temperature measuring points are arranged in step 6, temperature measuring point arrangement, AC axis wall, and according to the long average branch of wall, middle part pillar arranges 5
Temperature measuring point；2500mm thickness reversed beam sets 4 temperature measuring points, and 4 temperature measuring points are arranged in 1300 slabs；
As shown in figure 4, vertical reinforcement and building frame reinforcing bar B4 realize by binding and fix that each temperature measuring point is according to concrete
It pours thickness and is layered vertically embedded sensor probe B3 in advance, the vertical spacing of sensor probe B3 is by the spacing no more than 600mm
It is arranged, the line of sensor probe B3 and vertical reinforcement B1 are realized by binding and fixed, and each connecting line does not knot winding, in parallel
And lead to the upper end of vertical reinforcement B1 upwards and connect with wireless collection device B2, wireless collection device B2 is installed on vertical reinforcement
The top of B1, each sensor probe B3 touches vertical reinforcement B1 vertically downward and not, to make the concrete after pouring
Sensor probe B3 can be sufficiently wrapped up, each sensor connector difference label corresponds to the embedding depth of each sensor probe B3
Degree；
Wherein, wireless collection device B2 is installed specifically: wireless collection device B2 is mounted on the height and position from base surface 1m,
The port of wireless collection device B2 is numbered respectively, and the buried depth of the sensor probe B3 of each port connection is recorded according to number,
The sensor probe B3 of different buried depths can correspond to the different temperature of inside concrete；
The frequency acquisition of wireless collection device B2 is to be set as 3~30 minutes, after wireless collection device B2 is opened, wireless collection device B2 energy
Temperature measurement data is sent to concentrator by wireless transmission；
Wherein, the installation of concentrator specifically: concentrator is connected with the mains and antenna according to site contour situation is placed on signal
Stable position, and place upwards, it is ensured that the data transfer signals for receiving live each wireless collection device B2 can be covered, to
After the completion of concreting, opening concentrator can start to monitor the temperature of concrete；
Step 7, casting concrete；
Step 8, prevention of mass concrete temperature monitor and control, including thermometric monitoring data are collected and thermometric detection data arranges inquiry,
Wherein, thermometric monitoring data are collected specifically: construction site thermometric point data was at interval of test one in 3~30 minutes or so
Secondary, after concreting, wireless collection device B2 collects temperature by the sensor being embedded in concrete, is sent to concentration
Device, concentrator are sent to internet cloud using GPRS signal and store, whole temperature datas that instant recording is monitored, and automatic
The historical data of generation monitors table；
Wherein, thermometric detection data arranges inquiry specifically: graphically according to live temperature measurement data table platform of internet of things
Directviewing description temperature variations can become to the heating, cooling of mass concrete according to temperature logs tendency chart is automatically generated
Gesture provide science data query foundation, at any time inquire mass concrete in table temperature difference whether control 25 DEG C of ranges it
It is interior, to examine Temperature Controlling of Mass Concrete measure whether effective, and the automatic alarm when temperature reaches warning value；When temperature reaches
When to warning value, the temperature for reducing cooling circulating water can be used and improve water velocity, to take away inside concrete heat；
Step 9, the intelligent spray maintenance of concrete, specifically: before template is not installed, in board bottom face and shear wall two sides DN25
Pvc pipe a set of water pipe spray pipe network curing system is installed；After concreting is completed, wall and board bottom template are not removed, is adopted
Wet curing is opened with spray head shower head, keeps metope and top plate end template to remain wet, while reaching maintenance and wetting
The purpose that template is contacted with concrete surface；Concrete roof face builds three skins using film covering showering curing or in roof perimeter
Solid machine-made brick discharges water after masonry mortar has intensity and carries out water storing conservation, water-storage depth 50mm；
Spray interval time should also be according to being adjusted round the clock, and general day temperature is high, and humidity is low, corresponding to spray interval time certainly
It is dynamic to shorten；Evening temperature is low, and humidity is high, and corresponding spray interval time automatically prolongs；
Under conditions of not using hot water to conserve, when temperature is lower than 5 DEG C, sprinkling curing system does not start, and prevents from freezing；In temperature
When higher than 40 DEG C cumulative times are more than 15min, sprinkling curing system force start is to adjust temperature；When humidity is greater than 90%, spray
Leaching curing system does not start；
Step 10, prevention of mass concrete maintenance measure are removed, specifically: concrete is detected in mass concrete temperature monitoring system
When temperature is dropped by less than 2 DEG C/h, the surface temperature of concrete and environment maximum temperature difference less than 20 DEG C, concrete curing material is removed
Material, rear stage need to only carry out water seasoning.
Claims (1)
1. a kind of method for monitoring control mass concrete construction using Internet of Things, which is characterized in that this method specifically includes
Following steps:
Step 1, test block self-desiccation temperature-humidity monitoring, specifically:
1), prepare concrete test block one (6), concrete test block two (7), concrete test block three (8), pvc pipe, mold,
Wherein, the ratio of mud of concrete test block one (6) is respectively 0.5, and the ratio of mud of concrete test block two (7) is respectively 0.41,
The ratio of mud of concrete test block three (8) is respectively 0.31；
Wherein, pvc pipe both ends open is smooth, and length, outer diameter and wall thickness are respectively 100mm, 20mm and 2mm；
Wherein, mold is the cube plastics that inside dimension side length is 150mm；
It 2) is, to be planted at the center of cube concrete sample of 150mm by pvc pipe implantation side length when concrete sample initial set
Entering depth is 75mm, then smoothes out the surface slurry on concrete sample, and block pvc pipe upper port with long pipeline transmitter,
Demoulding is carried out after surface covers thin film moisturizing standard specimen 1d, and package is sealed to concrete sample with preservative film immediately
Three layers, preservative film intersection is sealed with hinge, to form concrete test block one (6), concrete test block two (7), coagulation
Native test block three (8)；Due to concrete sample surface approximation waterproof state, therefore it is believed that the interior humidity of concrete sample changes base
This is caused by self-desiccation effect；
3), shown by the experiment of concrete test block one (6), concrete test block two (7), concrete test block three (8): different water ashes
Three kinds of concrete test blocks of ratio, the ratio of mud is lower, and duration moisture-saturated phase is shorter, and self-desiccation phenomenon is more obvious, and works as coagulation
Inside native test specimen when slow desiccation, slowly shrinking will occur in concrete sample, this has parsed mass concrete engineering button
It except the long-term unstable mechanism of unstressed meter deformation measured value of temperature components, therefore draws a conclusion are as follows: integrate in the reasonable scope
The higher concrete of the ratio of mud is selected as far as possible after considering other each factors；
Step 2, scaffold installation, specifically: every 2 step 3 of frame body is across one company's wall point of setting, in every floor mark of frame column
A high position installs even wall anchor ear；All satisfactions hold out against jail or add horizontal hoop with structural column with building surrounding wall column binds round firm water
The end of flat bar should all be connect with structure, enhance the rigidity of entire support system；Under any circumstance, the top of high carriage must
Horizontal geotextile must be set；
Step 3, template installation, it includes shear wall formwork program, Liang Zhimo program, plate formwork program,
Wherein, shear wall formwork program specifically includes unwrapping wire positioning → template installation built-in fitting → installation one side template in place → peace
Another side template and support → adjustment template position → fastening are through walls in place for dress support → insertion through-wall bolt and casing → installation
Bolt → fixation support → inspection corrects → connects adjacent forms → is inspected for acceptance；
Wherein, Liang Zhimo program, which specifically includes, sets up full hall frame → pilot measurement absolute altitude → laying lumps of wood → installation bed die → installation curb girder
Mould → inspect for acceptance；
Wherein, plate formwork program, which specifically includes, sets up full hall frame → pilot measurement absolute altitude → laying lumps of wood → laying template → inspection and tests
It receives；
Step 4, reinforcing bar binding, it includes that shear force wall reinforcing steel bar binds program, beam steel bar colligation program, slab muscle binding program,
Wherein, shear force wall reinforcing steel bar binding program specifically include binding sleeper reinforcing bar → binding concealed beam reinforcing bar → vertical shear wall main reinforcement →
Binding horizontal force muscle → inspect for acceptance；
Wherein, beam steel bar colligation program specifically include the picture beam stirrup position line → putting stirrup → wear beam stress muscle → binding stirrup →
It inspects for acceptance；
Wherein, slab muscle binding program specifically include drawing board main reinforcement and the distributing reinforcement position line → putting main reinforcement → put distributing reinforcement →
Binding plate muscle → pad cushion block of concrete bar protective layer or limiting card → is inspected for acceptance；
Step 5, circulating water cooling piping network installation, specifically: after the completion of wall, roof steel bar binding, pacify between reinforced mesh
Cooling cooling water circulation pipe network is filled, cooling cooling water circulation pipe network is connect using DN50 coating steel pipe (A2) silk, coating steel pipe
(A2) a pipe end enters as circulation water inlet (A1), cooling water from circulation water inlet (A1), coating steel pipe (A2) it is another
As circulating water outlet (A3), cooling water flows out pipe end from circulating water outlet (A3), after concreting, reinforced mesh and plating
Zinc steel pipe (A2) can be wrapped up by concrete；
3 temperature measuring points are arranged in step 6, temperature measuring point arrangement, AC axis wall, and according to the long average branch of wall, middle part pillar arranges 5
Temperature measuring point；2500mm thickness reversed beam sets 4 temperature measuring points, and 4 temperature measuring points are arranged in 1300 slabs；
Vertical reinforcement and building frame reinforcing bar (B4) are realized by binding to be fixed, and each temperature measuring point pours thickness according to concrete
Vertically embedded sensor probe (B3), the vertical spacing of sensor probe (B3) is pressed the spacing no more than 600mm and is carried out for layering in advance
Arrangement, the line of sensor probe (B3) and vertical reinforcement (B1) realized by binding and fixed, and each connecting line does not knot winding, in parallel
And lead to the upper end of vertical reinforcement (B1) upwards and connect with wireless collection device (B2), wireless collection device (B2) is installed on perpendicular
To the top of reinforcing bar (B1), each sensor probe (B3) touches vertical reinforcement (B1) vertically downward and not, to make to pour
Concrete after building can be wrapped up sufficiently sensor probe (B3), and each sensor connector difference label corresponds to each sensor probe
(B3) embedding depth；
Wherein, wireless collection device (B2) is installed specifically: wireless collection device (B2) is mounted on to the height and position from base surface 1m
, the port of wireless collection device (B2) numbers respectively, records the sensor probe (B3) of each port connection according to number
The sensor probe (B3) of buried depth, different buried depths can correspond to the different temperature of inside concrete；
The frequency acquisition of wireless collection device (B2) is to be set as 3~30 minutes, after wireless collection device (B2) is opened, wireless collection device
(B2) temperature measurement data can be sent to concentrator by wireless transmission；
Wherein, the installation of concentrator specifically: concentrator is connected with the mains and antenna according to site contour situation is placed on signal
Stable position, and place upwards, it is ensured that the data transfer signals for receiving each live wireless collection device (B2) can be covered,
After the completion of concreting, opening concentrator can start to monitor the temperature of concrete；
Step 7, casting concrete；
Step 8, prevention of mass concrete temperature monitor and control, including thermometric monitoring data are collected and thermometric detection data arranges inquiry,
Wherein, thermometric monitoring data are collected specifically: construction site thermometric point data was at interval of test one in 3~30 minutes or so
Secondary, after concreting, wireless collection device (B2) collects temperature by the sensor being embedded in concrete, is sent to collection
Middle device, concentrator are sent to internet cloud using GPRS signal and store, whole temperature datas that instant recording is monitored, and from
The dynamic historical data generated monitors table；
Wherein, thermometric detection data arranges inquiry specifically: graphically according to live temperature measurement data table platform of internet of things
Directviewing description temperature variations can become to the heating, cooling of mass concrete according to temperature logs tendency chart is automatically generated
Gesture provide science data query foundation, at any time inquire mass concrete in table temperature difference whether control 25 DEG C of ranges it
It is interior, to examine Temperature Controlling of Mass Concrete measure whether effective, and the automatic alarm when temperature reaches warning value；When temperature reaches
When to warning value, the temperature for reducing cooling circulating water can be used and improve water velocity, to take away inside concrete heat；
Step 9, the intelligent spray maintenance of concrete, specifically: before template is not installed, in board bottom face and shear wall two sides DN25
Pvc pipe a set of water pipe spray pipe network curing system is installed；After concreting is completed, wall and board bottom template are not removed, is adopted
Wet curing is opened with spray head shower head, keeps metope and top plate end template to remain wet, while reaching maintenance and wetting
The purpose that template is contacted with concrete surface；Concrete roof face builds three skins using film covering showering curing or in roof perimeter
Solid machine-made brick discharges water after masonry mortar has intensity and carries out water storing conservation, water-storage depth 50mm；
Spray interval time should also be according to being adjusted round the clock, and general day temperature is high, and humidity is low, corresponding to spray interval time certainly
It is dynamic to shorten；Evening temperature is low, and humidity is high, and corresponding spray interval time automatically prolongs；
Under conditions of not using hot water to conserve, when temperature is lower than 5 DEG C, sprinkling curing system does not start, and prevents from freezing；In temperature
When higher than 40 DEG C cumulative times are more than 15min, sprinkling curing system force start is to adjust temperature；When humidity is greater than 90%, spray
Leaching curing system does not start；
Step 10, prevention of mass concrete maintenance measure are removed, specifically: concrete is detected in mass concrete temperature monitoring system
When temperature is dropped by less than 2 DEG C/h, the surface temperature of concrete and environment maximum temperature difference less than 20 DEG C, concrete curing material is removed
Material, rear stage need to only carry out water seasoning.
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| CN111060521A (en) * | 2019-12-31 | 2020-04-24 | 中国水利水电第十四工程局有限公司 | Method for detecting quantity and area of bubbles on surface of precast concrete T beam |
| CN112663975A (en) * | 2020-12-11 | 2021-04-16 | 中电建路桥集团有限公司 | Intelligent maintenance system and maintenance method for mass concrete |
| CN116214689A (en) * | 2022-12-15 | 2023-06-06 | 中电建路桥集团有限公司 | Intelligent monitoring system and method for precast beam piece maintenance based on different time effects |
| WO2023169403A1 (en) * | 2022-03-07 | 2023-09-14 | The University Of Tokyo | Material monitoring system and uses thereof |
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| CN111060521A (en) * | 2019-12-31 | 2020-04-24 | 中国水利水电第十四工程局有限公司 | Method for detecting quantity and area of bubbles on surface of precast concrete T beam |
| CN111060521B (en) * | 2019-12-31 | 2024-01-02 | 中国水利水电第十四工程局有限公司 | Method for detecting quantity and area of air bubbles on surface of precast concrete T beam |
| CN112663975A (en) * | 2020-12-11 | 2021-04-16 | 中电建路桥集团有限公司 | Intelligent maintenance system and maintenance method for mass concrete |
| WO2023169403A1 (en) * | 2022-03-07 | 2023-09-14 | The University Of Tokyo | Material monitoring system and uses thereof |
| CN116214689A (en) * | 2022-12-15 | 2023-06-06 | 中电建路桥集团有限公司 | Intelligent monitoring system and method for precast beam piece maintenance based on different time effects |
| CN116214689B (en) * | 2022-12-15 | 2023-12-08 | 中电建路桥集团有限公司 | Intelligent monitoring system and method for precast beam piece maintenance based on different time effects |
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