CN108489440B - Device for monitoring dynamic horizontal displacement of vertical rod of high formwork support frame and application method of device - Google Patents
Device for monitoring dynamic horizontal displacement of vertical rod of high formwork support frame and application method of device Download PDFInfo
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- CN108489440B CN108489440B CN201810554112.XA CN201810554112A CN108489440B CN 108489440 B CN108489440 B CN 108489440B CN 201810554112 A CN201810554112 A CN 201810554112A CN 108489440 B CN108489440 B CN 108489440B
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 60
- 238000009415 formwork Methods 0.000 title claims abstract description 54
- 238000012544 monitoring process Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000002023 wood Substances 0.000 claims description 8
- 238000012806 monitoring device Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 9
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to the field of building construction high formwork monitoring, in particular to a device for monitoring dynamic horizontal displacement of a vertical rod of a high formwork support frame and a use method thereof. The high formwork vertical rod in the concrete pouring process is monitored in real time, potential safety hazards are eliminated, and the safety of construction workers is guaranteed.
Description
Technical Field
The invention relates to the field of high formwork monitoring in building construction, in particular to a device for monitoring dynamic horizontal displacement of a vertical rod of a high formwork support frame and a use method thereof.
Background
With the development of building technology, the cast-in-place concrete structure construction method is widely applied to the high formwork support frame in building engineering. In the construction process of concrete pouring, deformation of the vertical rod of the high formwork support frame caused by bearing concrete load, construction load, wind load, settlement of the vertical rod foundation and the like is not easy to monitor. The product for real-time monitoring of the high formwork support frame upright rod in the construction process is lacking in the current market, and although few self-built monitoring exists, the technical precision is not enough to meet the monitoring and early warning requirements. The stability of the high formwork support frame is lack of real-time monitoring in the construction process, and the high formwork support frame is easy to bear too large or deform to induce the stability failure of the frame body, so that safety accidents such as local collapse or integral overturning of the high formwork occur. Therefore, the horizontal displacement of the vertical rod of the high formwork support frame is monitored in real time in the concrete pouring process, potential safety hazards are eliminated in time, and the quality of site safety supervision is improved.
Disclosure of Invention
The invention aims to provide a device for monitoring dynamic horizontal displacement of a vertical rod of a high formwork support frame and a use method thereof, which are used for monitoring the vertical rod of the high formwork support frame in real time in the concrete pouring process, eliminating potential safety hazards and ensuring the safety of construction workers.
The technical scheme of the invention is as follows: the utility model provides a high formwork support frame pole setting dynamic horizontal displacement monitoring devices, is including being used for arranging the monitored pole setting of high formwork support frame in its center and the temporary scaffold frame that does not take place to be connected with high formwork support frame, be provided with contact type horizontal displacement sensor on the adjacent two horizon bars of the monitoring point height correspondence on the temporary scaffold frame with being monitored the pole setting respectively, contact type horizontal displacement sensor's end is through the monitoring position horizontal connection of wire stay cord and being monitored the pole setting.
Further, the temporary scaffold body comprises four vertically arranged scaffold upright posts, and a plurality of horizontal rods are arranged between two adjacent scaffold upright posts at intervals from bottom to top.
Further, the lower extreme of interim scaffold frame is provided with rigid conjoined base, and four scaffold frame risers on the interim scaffold frame are fixed on four right angles of rigid conjoined base correspondingly.
Further, the rigid conjoined base is of a 'back' type structure and is formed by welding C-shaped channel steel, and four right angles of the rigid conjoined base are respectively provided with adjustable screw feet.
Further, the longitudinal and transverse spacing of the scaffold upright posts on the temporary scaffold is equal to the longitudinal and transverse spacing of the upright posts on the high formwork support frame.
Further, diagonal braces for reinforcement are respectively arranged on the longitudinal and transverse vertical faces of the temporary scaffold, or/and diagonal braces are arranged in the horizontal plane where the horizontal rods on the temporary scaffold are located, or/and ground contact throwing braces supported on the ground are also arranged on the vertical rods of the temporary scaffold, and one end of each ground contact throwing brace and two ends of each diagonal brace are respectively connected with the vertical rods through fasteners.
Further, the contact type horizontal displacement sensors are respectively fixed on the corresponding horizontal rods through bearings capable of horizontally turning 180 degrees.
Further, an alarm circuit for alarming when the monitored displacement direction and displacement reach a preset threshold value is arranged on the contact type horizontal displacement sensor.
The application method of the dynamic horizontal displacement monitoring device for the high formwork upright rod comprises the following steps:
1) Setting up a temporary scaffold, placing a vertical rod to be monitored on a high formwork support frame in the center of the temporary scaffold, and enabling the temporary scaffold not to be connected with the high formwork support frame;
2) Fixing the contact type horizontal displacement sensor on two adjacent horizontal rods on the temporary scaffold by a bearing, wherein the two horizontal rods and the monitored part of the monitored upright rod have the same horizontal height;
3) The tail end of the contact type horizontal displacement sensor is horizontally connected with a monitoring point on the monitored upright rod through a steel wire stay cord.
Further, if the foundation condition is good, directly placing the scaffold upright rod on the foundation, and placing a wood block below the bottom of the scaffold upright rod; if the foundation condition is poor, placing the bottom of the scaffold upright on the rigid conjoined base, and placing a wood block below the bottom of the scaffold upright.
Compared with the prior art, the invention has the following advantages: the vertical rod of the high formwork support frame in the concrete pouring process is monitored in real time, a threshold value is set for alarming in time, potential safety hazards are eliminated, and the safety of construction workers is guaranteed.
Drawings
FIG. 1 is a plan view of a high formwork support frame of the present invention;
FIG. 2 is an elevation view of a high formwork support stand of the present invention;
FIG. 3 is a channel steel rigid conjoined foundation of the present invention;
FIG. 4 is a schematic view of a temporary scaffold of the present invention;
in the figure: 1-standing a pole; 2-horizontal bars; 3-a monitored upright; 4-temporary scaffold; 41-horizontal bars; 42-scaffold uprights; 43-diagonal bracing; 44-a fastener; 45-ground contact throwing support; a 5-contact horizontal displacement sensor; 6-rigid conjoined base.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Referring to fig. 1 to 4
A high formwork support frame vertical rod dynamic horizontal displacement monitoring device is provided, wherein an applied high formwork support frame system consists of a plurality of vertical rods 1 and horizontal rods 2. The device comprises a temporary scaffold 4 which is used for placing a monitored vertical rod 3 of a high formwork support frame in the center of the temporary scaffold and is not connected with the high formwork support frame, wherein two adjacent horizontal rods 41 which are corresponding to the height of a monitoring point on the monitored vertical rod on the temporary scaffold are respectively provided with a contact type horizontal displacement sensor 5, and the tail end of the contact type horizontal displacement sensor is horizontally connected with the monitoring part of the monitored vertical rod through a steel wire stay rope. The displacement change value of the monitoring point of the monitored vertical rod and the fixed point of the contact type horizontal displacement sensor is monitored through the contact type horizontal displacement sensor, and the deflection value of the monitoring point of the monitored vertical rod in the longitudinal and transverse directions of the high formwork support frame is obtained through formula conversion.
In this embodiment, the temporary scaffold is not connected with the high formwork support frame, so as to ensure that the displacement deformation of the high formwork support frame caused by construction load and concrete dead weight in the concrete pouring process is not conducted to the temporary scaffold.
In this embodiment, the temporary scaffold body includes four vertically arranged scaffold uprights 42, and a plurality of horizontal rods 41 are arranged between two adjacent scaffold uprights from bottom to top at intervals.
In this embodiment, the lower end of the temporary scaffold is provided with a rigid conjoined base 6, and four scaffold uprights on the temporary scaffold are correspondingly fixed on four right angles of the rigid conjoined base. Four vertical rods of the temporary scaffold are fixed through the rigid conjoined base, so that the influence of foundation settlement is reduced. And the rigid conjoined base is also provided with a level bubble, so that whether the base maintains a stable horizontal plane or not is convenient to observe, and the accuracy of the measuring device is improved.
The rigid conjoined base can be used to select whether to match or not according to the actual scaffold foundation condition. If the foundation condition is good, the lower end of the scaffold upright rod can be directly placed on the foundation, and a wood block is placed at the lower end of the scaffold upright rod; if the foundation condition is worse, when the temporary scaffold possibly generates uneven settlement, the lower end of the scaffold upright rod can be placed on the rigid conjoined base, and a wood block is placed at the lower end of the scaffold upright rod, so that the influence of foundation settlement is reduced.
In this embodiment, the rigid conjoined base is in a 'back' type structure and is formed by welding steel materials, so that the rigidity and the structural stability of the rigid conjoined base are ensured. Four right angles of the rigid conjoined base are respectively provided with an adjustable screw foot, so that the stability of the rigid conjoined base is ensured.
In this embodiment, the vertical and horizontal intervals of the scaffold upright posts on the temporary scaffold are equal to the vertical and horizontal intervals of the upright posts on the high formwork support frame.
In this embodiment, the temporary scaffold is set up according to the height of the site, and diagonal braces 43 for reinforcement are respectively arranged on the longitudinal and transverse vertical surfaces of the temporary scaffold, or/and diagonal braces are arranged in the horizontal plane where the horizontal rod on the temporary scaffold is located, so as to increase the rigidity of the temporary scaffold; or/and the scaffold upright post is also provided with a ground contact throwing support 45 supported on the ground so as to reduce horizontal displacement deformation of the temporary scaffold under the action of wind load. Each component guarantees the stability of the temporary scaffold in the monitoring process. The two ends of the ground contact throwing support and the inclined support are respectively connected with the vertical rods through fasteners 44, so that the connection strength is ensured.
In this embodiment, the contact type horizontal displacement sensors are respectively fixed on the corresponding horizontal rods by bearings capable of steering by 180 degrees horizontally, and the contact type horizontal displacement sensors take the position of the monitored deflection of the monitored upright rod as the height of the monitoring point.
In this embodiment, the contact type horizontal displacement sensor can dynamically monitor the displacement data of the monitored vertical rod of the high formwork support frame, and an alarm circuit for alarming when the monitored displacement direction and displacement reach a preset threshold value is arranged on the contact type horizontal displacement sensor.
Working principle: the ground position of the monitored upright rod of the high formwork support frame is taken as a coordinate origin to establish a rectangular coordinate system, and displacement change values of a monitoring point of the monitored upright rod and a bearing fixed point of the contact type horizontal displacement sensor are measured through the contact type horizontal displacement sensorAccording to the solution equation set->The displacement of the monitored upright rod of the high formwork support frame in the horizontal plane can be calculated>Wherein->The linear distance from the two horizontal displacement sensors to the upright rod measuring point is the horizontal plane. When the contact type horizontal displacement sensor dynamically monitors that the displacement direction and the displacement amount of the monitored vertical rod reach a preset threshold value, the device gives an alarm, a constructor can immediately stop construction, the potential safety hazard of the high formwork support frame is checked, the high formwork support frame is reinforced, the construction can be continued after the potential hazard is relieved, and therefore the safety of the high formwork support frame in the concrete pouring construction process is guaranteed.
The application method of the dynamic horizontal displacement monitoring device for the high formwork upright rod comprises the following steps:
1) Setting up a temporary scaffold, placing a vertical rod to be monitored on a high formwork support frame in the center of the temporary scaffold, and enabling the temporary scaffold not to be connected with the high formwork support frame;
2) Fixing the contact type horizontal displacement sensor on two adjacent horizontal rods on the temporary scaffold by a bearing, wherein the two horizontal rods and the monitored part of the monitored upright rod have the same horizontal height;
3) The tail end of the contact type horizontal displacement sensor is horizontally connected with a monitoring point on the monitored upright rod through a steel wire stay cord.
In the embodiment, a rigid conjoined base is selectively arranged according to the condition of a temporary scaffold foundation, if the foundation condition is good, a scaffold upright rod is directly placed on the foundation, and a wood block is placed below the bottom of the scaffold upright rod; if the foundation condition is poor, placing the bottom of the scaffold upright on the rigid conjoined base, and placing a wood block below the bottom of the scaffold upright.
The foregoing is only illustrative of the preferred embodiments of the present invention, and it will be apparent to those skilled in the art from this disclosure that, while maintaining the spirit and scope of the invention, various changes, modifications and variations can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The device is characterized by comprising a temporary scaffold which is used for placing a monitored upright rod of a high formwork support frame in the center of the temporary scaffold and is not connected with the high formwork support frame, wherein two adjacent horizontal rods which correspond to the height of a monitoring point on the monitored upright rod on the temporary scaffold are respectively provided with a contact type horizontal displacement sensor, and the tail end of the contact type horizontal displacement sensor is horizontally connected with the monitoring part of the monitored upright rod through a steel wire stay rope; the temporary scaffold body comprises four vertically arranged scaffold upright posts, and a plurality of horizontal rods are arranged between two adjacent scaffold upright posts at intervals from bottom to top; the lower end of the temporary scaffold is provided with a rigid conjoined base, and four scaffold upright rods on the temporary scaffold are correspondingly fixed on four right angles of the rigid conjoined base; the contact type horizontal displacement sensor is formed by fixing bearings capable of horizontally turning 180 degrees on corresponding horizontal rods respectively; the contact type horizontal displacement sensor is provided with an alarm circuit for alarming when the monitored displacement direction and displacement reach a preset threshold value; taking the ground position of the monitored upright rod of the high formwork support frame as a seatThe standard origin establishes a rectangular coordinate system, and the displacement change value of the monitoring point of the monitored upright rod and the bearing fixed point of the contact type horizontal displacement sensor is measured by the contact type horizontal displacement sensorAccording to the solution equation set->The displacement of the monitored upright rod of the high formwork support frame in the horizontal plane can be calculatedWherein->The linear distance from the two horizontal displacement sensors to the upright rod measuring point is the horizontal plane.
2. The device for monitoring the dynamic horizontal displacement of the vertical rod of the high formwork support frame according to claim 1, wherein the rigid conjoined base is of a 'back' type structure and is formed by welding C-shaped channel steel, and four right angles of the rigid conjoined base are respectively provided with an adjustable screw foot.
3. The device for monitoring the dynamic horizontal displacement of the vertical rods of the high formwork support according to claim 1 or 2, wherein the vertical and horizontal spacing of the vertical rods of the scaffold on the temporary scaffold is equal to the vertical and horizontal spacing of the vertical rods on the high formwork support.
4. The device for monitoring the dynamic horizontal displacement of the vertical rod of the high formwork support frame according to claim 1 or 2, wherein diagonal braces for reinforcement are respectively arranged on the longitudinal vertical surface and the transverse vertical surface of the temporary scaffold, or/and diagonal braces are arranged in a horizontal plane where horizontal rods on the temporary scaffold are located, or/and a ground-contact throwing support supported on the ground is also arranged on the vertical rod of the scaffold, and one end part of the ground-contact throwing support and two ends of the diagonal braces are respectively connected with the vertical rod through fasteners.
5. The application method of the high formwork support frame upright rod dynamic horizontal displacement monitoring device is characterized by comprising the following steps:
1) Setting up a temporary scaffold, placing a vertical rod to be monitored on a high formwork support frame in the center of the temporary scaffold, and enabling the temporary scaffold not to be connected with the high formwork support frame;
2) Fixing the contact type horizontal displacement sensor on two adjacent horizontal rods on the temporary scaffold by a bearing, wherein the two horizontal rods and the monitored part of the monitored upright rod have the same horizontal height;
3) The tail end of the contact type horizontal displacement sensor is horizontally connected with a monitoring point on the monitored upright rod through a steel wire stay cord.
6. The method of claim 5, wherein if the foundation condition is good, the scaffold upright is directly placed on the foundation, and a wood block is placed under the bottom of the scaffold upright; if the foundation condition is poor, placing the bottom of the scaffold upright on the rigid conjoined base, and placing a wood block below the bottom of the scaffold upright.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810554112.XA CN108489440B (en) | 2018-06-01 | 2018-06-01 | Device for monitoring dynamic horizontal displacement of vertical rod of high formwork support frame and application method of device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810554112.XA CN108489440B (en) | 2018-06-01 | 2018-06-01 | Device for monitoring dynamic horizontal displacement of vertical rod of high formwork support frame and application method of device |
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| CN108489440A CN108489440A (en) | 2018-09-04 |
| CN108489440B true CN108489440B (en) | 2023-11-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3994428A4 (en) * | 2019-07-05 | 2023-08-02 | Ronald Chun Yu Lam | Force and inclination monitoring system with self-position recognition |
| CN110425982A (en) * | 2019-07-25 | 2019-11-08 | 中国十七冶集团有限公司 | Long-span space horizontal displacement monitoring method for early warning |
| CN112227681A (en) * | 2020-09-30 | 2021-01-15 | 中铁七局集团有限公司 | Novel socket key groove type formwork support, formwork system and building method thereof |
| CN113530216A (en) * | 2021-07-01 | 2021-10-22 | 广西建工集团控股有限公司 | Large-span ultrahigh formwork-erecting real-time dynamic monitoring construction method |
| CN114485335B (en) * | 2022-04-03 | 2022-06-24 | 南通安恒智能科技发展有限公司 | Building engineering scaffold displacement measurement system and measurement method |
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| CN102494650A (en) * | 2011-11-29 | 2012-06-13 | 航天科工深圳（集团）有限公司 | Pole tower displacement monitoring system and monitoring method thereof |
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|---|---|---|---|---|
| CN101178395A (en) * | 2007-12-05 | 2008-05-14 | 中国科学院武汉岩土力学研究所 | Non-contact type rock three-way shrinkage test device and test method |
| CN205156894U (en) * | 2015-11-24 | 2016-04-13 | 常州工程职业技术学院 | Case roof beam scene displacement sensor fixed bolster for loading test |
| CN205388469U (en) * | 2016-02-04 | 2016-07-20 | 交通运输部公路科学研究所 | U shaped steel yieldable support connects displacement measurement device |
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Effective date of registration: 20230717 Address after: 363105 Longhai Economic Development Zone, Zhangzhou City, Fujian Province Applicant after: XIAMEN UNIVERSITY TAN KAH KEE College Applicant after: ZHONGJI WULIAN TECHNOLOGY (SHENZHEN) CO.,LTD. Address before: 363105 Zhangzhou campus of Xiamen University, economic and Technological Development Zone, Longhai City, Zhangzhou City, Fujian Province Applicant before: XIAMEN UNIVERSITY TAN KAH KEE College |
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