CN111220117A - Dynamic monitoring method and device for deformation of formwork support - Google Patents
Dynamic monitoring method and device for deformation of formwork support Download PDFInfo
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- CN111220117A CN111220117A CN201911397329.5A CN201911397329A CN111220117A CN 111220117 A CN111220117 A CN 111220117A CN 201911397329 A CN201911397329 A CN 201911397329A CN 111220117 A CN111220117 A CN 111220117A
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- monitoring
- formwork support
- deformation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a dynamic monitoring method for deformation of a formwork support, which comprises the steps of selecting a reference beam which is supported and fixed on a foundation in the formwork support as a reference point; according to 3X 3m2Scale grid, arranging test points in the formwork support; arranging monitoring equipment at the test point; the monitoring equipment collects the displacement of the test point in real time and transmits the collected data to the monitoring platform. The invention can feed back the deformation of the high formwork support in real time and effectively prevent the dynamic instability of the high formwork support.
Description
Technical Field
The invention relates to a deformation monitoring technology of a formwork support.
Background
The formwork support is widely applied to construction engineering activities such as large-scale member overhanging structures of house buildings, bridges and the like, but because the stress condition of the foundation deformation formwork support and the defects in the concrete pouring process exist, collapse accidents can occur, and property and casualties are caused.
The main components of the formwork support comprise supporting points, supports (steel pipes and rod pieces) and moulds (wood formworks and steel formworks), and the main construction sequence of the formwork support comprises steel bar binding, concrete pouring, dismantling and the like.
The deformation monitoring of the traditional high formwork support body mainly adopts an optical measuring instrument to perform manual monitoring, the interval time is long, the range is limited (the observation path is blocked by the support body), the safety of monitoring personnel is not guaranteed, and the early warning effect is difficult to achieve timely and effectively.
Disclosure of Invention
The invention aims to solve the technical problem of providing a dynamic monitoring method for deformation of a high formwork support, which can feed back the deformation of the high formwork support in real time and effectively prevent the dynamic instability of the high formwork support.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a dynamic monitoring method for deformation of a formwork support frame comprises the following steps:
(1) selecting a reference beam supported and fixed on a foundation in a formwork support as a reference point;
(2) according to 3X 3m2Scale grid, arranging test points in the formwork support;
(3) arranging monitoring equipment at the test point;
(4) the monitoring equipment collects the displacement of the test point in real time and transmits the collected data to the monitoring platform.
Further, the monitoring platform can display data collected in real time.
Further, the monitoring platform can store the data collected by the monitoring equipment.
Further, the monitoring platform can set an early warning value, and when the displacement collected by the monitoring equipment is close to or reaches the early warning value, an early warning is sent out.
Furthermore, the monitoring platform can set an alarm value, and when the displacement collected by the monitoring equipment is close to or reaches the alarm value, an alarm is given out.
In the whole stress process of the formwork support, various reasons of ground settlement, mandril instability, fastener failure and integral overturn mainly exist, influence factors are very many and complicated, the core of the dynamic deformation detection method of the formwork support is to monitor the deformation of the casting and tamping formwork, and the theoretical basis is that the final result of any stress-strain change is reflected on the deformation of the formwork.
Meanwhile, the invention also provides a dynamic monitoring device for deformation of the formwork support, and the dynamic monitoring device can be used for realizing the dynamic monitoring deviceAccording to the monitoring method, the dynamic monitoring device comprises a monitoring platform, monitoring equipment, a reference point and a test point, wherein the reference point selects a support point of a reference beam on the formwork support; the test point is 3 x 3m2The grid is arranged on the formwork support, the monitoring device is arranged at the position of the test point and used for measuring the distance change between the test point and the reference point, and the monitoring device is connected to the monitoring platform in a wired or wireless mode and sends the monitored distance data to the monitoring platform.
The invention has the beneficial effects that: the dynamic monitoring method of the invention collects the deformation condition of the formwork support in the construction process through the displacement sensor and transmits the data to the computer platform in real time, and the problem of the deformation value is found in time through setting the early warning value and the alarm value, thereby ensuring the safe construction of the formwork support. According to the dynamic monitoring method for deformation of the formwork support, data are transmitted to the computer platform through real-time monitoring of the displacement sensor, the early warning value is set, when the displacement value reaches the early warning value, an alarm signal is sent to remind people of casualties and collapse accidents in time, and therefore the accidents of casualties and collapse are avoided.
Drawings
Fig. 1 is a layout diagram of the overall structure of the present invention.
Reference numbers in the figures: monitoring platform 1, monitoring facilities 2, benchmark 3, test point 4, benchmark roof beam 5, high formwork 100.
Detailed Description
In order to facilitate a better understanding of the technical solutions of the present invention for those skilled in the art, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, and it should be noted that the detailed description is only for illustrative purposes and should not be construed as limiting the present invention.
As shown in fig. 1, the invention provides a dynamic monitoring device for deformation of a formwork support, which is established on a high formwork support 100 and comprises a monitoring platform 1, monitoring equipment 2, a reference point 3 and a test point 4, wherein the reference point 3 selects a support point of a reference beam 5 on the formwork support; the test point 4 is 3 x 3m2The grid is arranged on the formwork support 100, the monitoring device 2 is arranged at the test point location,the monitoring device 2 may employ a distance meter or a laser distance measuring device for measuring a distance change between the test point 4 and the reference point 3, which is connected to the monitoring platform 1 in a wired or wireless manner and transmits the monitored distance data to the monitoring platform 1.
In actual use, the following method is adopted for operation:
(1) selecting a reference beam supported and fixed on a foundation in a formwork support as a reference point;
(2) according to 3X 3m2Scale grid, arranging test points in the formwork support;
(3) arranging monitoring equipment at the test point;
(4) the monitoring equipment collects the displacement of the test point in real time and transmits the collected data to the monitoring platform.
When the monitoring equipment sends data to the monitoring platform, the monitoring platform can display and store the data acquired in real time.
And setting an early warning value in the monitoring platform, and sending out an early warning when the displacement acquired by the monitoring equipment is close to or reaches the early warning value.
And setting an alarm value in the monitoring platform, and giving an alarm when the displacement acquired by the monitoring equipment is close to or reaches the alarm value.
Claims (6)
1. A dynamic monitoring method for deformation of a formwork support frame is characterized by comprising the following steps:
(1) selecting a reference beam supported and fixed on a foundation in a formwork support as a reference point;
(2) according to 3X 3m2Scale grid, arranging test points in the formwork support;
(3) arranging monitoring equipment at the test point;
(4) the monitoring equipment collects the displacement of the test point in real time and transmits the collected data to the monitoring platform.
2. The method as claimed in claim 1, wherein the monitoring platform is capable of displaying data collected in real time.
3. The method as claimed in claim 1, wherein the monitoring platform is capable of storing data collected by the monitoring device.
4. The dynamic monitoring method for the deformation of the formwork support frame as claimed in claim 1, wherein the monitoring platform can set an early warning value, and when the displacement collected by the monitoring equipment approaches or reaches the early warning value, an early warning is given out.
5. The dynamic monitoring method for the deformation of the formwork support frame as claimed in claim 1, wherein the monitoring platform can set an alarm value, and when the displacement collected by the monitoring equipment approaches or reaches the alarm value, an alarm is given.
6. A dynamic monitoring device for deformation of a formwork support is characterized by comprising a monitoring platform, monitoring equipment, a reference point and a test point, wherein the reference point selects a support point of a reference beam on the formwork support; the test point is 3 x 3m2The grid is arranged on the formwork support, the monitoring device is arranged at the position of the test point and used for measuring the distance change between the test point and the reference point, and the monitoring device is connected to the monitoring platform in a wired or wireless mode and sends the monitored distance data to the monitoring platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397329.5A CN111220117A (en) | 2019-12-30 | 2019-12-30 | Dynamic monitoring method and device for deformation of formwork support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397329.5A CN111220117A (en) | 2019-12-30 | 2019-12-30 | Dynamic monitoring method and device for deformation of formwork support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111220117A true CN111220117A (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911397329.5A Pending CN111220117A (en) | 2019-12-30 | 2019-12-30 | Dynamic monitoring method and device for deformation of formwork support |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855268A (en) * | 2021-01-15 | 2021-05-28 | 北京市市政四建设工程有限责任公司 | Underground excavation subway station concrete unilateral die carrier deformation monitoring device |
| CN113218442A (en) * | 2021-03-26 | 2021-08-06 | 浙江瑞邦科特检测有限公司 | Automatic monitoring construction method for high and large formwork support |
| CN113865489A (en) * | 2021-09-28 | 2021-12-31 | 吉林大学 | Laser-based high formwork erecting rod displacement monitoring device and early warning method |
| CN113916141A (en) * | 2021-09-15 | 2022-01-11 | 中铁四局集团有限公司 | Die carrier deformation measuring device based on machine vision |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840092A (en) * | 2017-03-31 | 2017-06-13 | 广东质安建设工程技术有限公司 | The method that high-supported formwork is monitored using laser range finder |
-
2019
- 2019-12-30 CN CN201911397329.5A patent/CN111220117A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840092A (en) * | 2017-03-31 | 2017-06-13 | 广东质安建设工程技术有限公司 | The method that high-supported formwork is monitored using laser range finder |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855268A (en) * | 2021-01-15 | 2021-05-28 | 北京市市政四建设工程有限责任公司 | Underground excavation subway station concrete unilateral die carrier deformation monitoring device |
| CN113218442A (en) * | 2021-03-26 | 2021-08-06 | 浙江瑞邦科特检测有限公司 | Automatic monitoring construction method for high and large formwork support |
| CN113916141A (en) * | 2021-09-15 | 2022-01-11 | 中铁四局集团有限公司 | Die carrier deformation measuring device based on machine vision |
| CN113916141B (en) * | 2021-09-15 | 2023-04-07 | 中铁四局集团有限公司 | Die carrier deformation measuring device based on machine vision |
| CN113865489A (en) * | 2021-09-28 | 2021-12-31 | 吉林大学 | Laser-based high formwork erecting rod displacement monitoring device and early warning method |
| CN113865489B (en) * | 2021-09-28 | 2024-03-12 | 吉林大学 | High formwork upright rod displacement monitoring device and early warning method based on laser |
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Application publication date: 20200602 |