CN106320677A - Instrument for measuring stability bearing capacity of bowl buckle type steel pipe support - Google Patents
Instrument for measuring stability bearing capacity of bowl buckle type steel pipe support Download PDFInfo
- Publication number
- CN106320677A CN106320677A CN201610825709.4A CN201610825709A CN106320677A CN 106320677 A CN106320677 A CN 106320677A CN 201610825709 A CN201610825709 A CN 201610825709A CN 106320677 A CN106320677 A CN 106320677A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- instrument
- support
- stupefied
- bearing capacity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 238000009826 distribution Methods 0.000 claims abstract description 27
- 239000013307 optical fiber Substances 0.000 claims abstract description 8
- 239000002023 wood Substances 0.000 claims description 24
- 239000000835 fiber Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 230000002411 adverse Effects 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/02—Scaffolds primarily resting on the ground composed essentially of members elongated in one dimension only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention provides an instrument for measuring the stability bearing capacity of a bowl buckle type steel pipe support. The instrument comprises a support, and multiple deformation sensors are arranged outside vertical steel pipes in a sleeving mode and connected to a data displayer; a first wooden keel and a second wooden keel are laid on the top of the support, a loading plate is arranged on the second wooden keel, first distribution beams are arranged on the loading plate, a second distribution beam is perpendicularly installed on the first distribution beams, the upper surface of the second distribution beam is provided with a hydraulic jack, and the upper surface of the hydraulic jack is connected with a reaction beam through a pressure gauge; the nodes of the support are each bonded with a strain gauge through a structural adhesive, temperature sensors are installed in the strain gauges and connected with a debugging instrument through shield cables, and an optical fiber bonded to the support is connected with a distributed optical fiber sensor. The instrument can monitor strain changes of a building in an adverse environment for a long term, continuously measure strain and environment parameters and measure the stability bearing capacity of the bowl buckle type steel pipe support.
Description
Technical field
The present invention relates to Mechanical Behavior Analysis equipment technical field, be specifically related to a kind of for measuring bowl fastening type steel pipe support
The instrument instrument of stability bearing capacity.
Background technology
Along with the high speed development of building trade, the application of formwork-support system is more and more frequently with universal, wherein, and bowl button
Formula steel pipe support is widely applied in elevated bridge and subway etc. are constructed.But, the use of bowl fastening type steel pipe support and
Calculating is substantially with reference to specification " construction bowl fastening type steel pipe scaffold technical specification of security ".But bowl fastening type steel pipe support is originally
The engineering accident of body occurs often, brings loss greatly to the country and people.Trace it to its cause, mainly due to design theory
The aspect reasons such as imperfection, component fittings quality problem, construction quality problem or managerial carelessness cause, current part
Module carrier system related specifications and theory are queried by expert and scholar;At the safety of supporting structure to be guaranteed, we
Also need to design a set of instrument that can measure bowl fastening type steel pipe support stability bearing capacity.
Summary of the invention
(1) solve the technical problem that
For the deficiencies in the prior art, the invention provides a kind of instrument measuring bowl fastening type steel pipe support stability bearing capacity
Device, solves the weight not knowing to stack thing and causes the problems such as life danger.
(2) technical scheme
For realizing object above, the present invention is achieved by the following technical programs:
A kind of instrument for measuring bowl fastening type steel pipe support stability bearing capacity, including support, described support is by multiple steel
Pipe is constituted, and is cased with multiple changing sensor outside described vertical steel pipe;Multiple changing sensors are connected on data display equipment, institute
State cradle top be equipped with first wood stupefied, first wood stupefied on be provided with second wood stupefied, second wood the stupefied load plate that is provided with, load plate
It is provided with the first distribution beam normal thereto, the first distribution beam is vertically installed with the second distribution beam, the upper table of the second distribution beam
Face is provided with hydraulic jack, and hydraulic jack is connected with electric oil pump by oil pipe, and hydraulic jack upper surface passes through piezometer
Be connected with reaction beam, vertical rod at support node and horizon bar be all bonded with strain gauge by structure glue, strain gauge built with
Temperature sensor, temperature sensor is connected with adjusting instrument by shielded cable, optical fiber bonding on support and distribution type fiber-optic
Sensor is connected.
Described changing sensor is by wireless connection data display.
Described changing sensor is provided with three equidistant distributions on every steel pipe.
Described first wood is stupefied and the second wood stupefied is mutually perpendicular to, and the second wood is stupefied is designed with several, second wooden stupefied adjacent it
Between spacing be 100mm.
Described fiber lengths is 80000mm, and is distributed on vertical rod and horizon bar, accounts for support body total rod member quantity
50%.
(3) beneficial effect
Embodiments provide a kind of instrument for measuring bowl fastening type steel pipe support stability bearing capacity.Possess following
Beneficial effect: 1, test value can be modified by temperature sensor, and there is the highest accuracy and sensitivity, data stabilization,
Transmitted data signal by shielded cable special, can for a long time the strain variation of building be monitored under rugged environment;
2, distributed fiberoptic sensor measurement is the technology using the one-dimensional of optical fiber to measure, and obtains tested simultaneously
The spatial distribution state of amount and time dependent information, join strain, the environment along fiber distribution on whole fiber lengths
Number carries out continuous print measurement.
3, on the vertical light pipe of support, it is provided with changing sensor simultaneously, is seen by multiple changing sensor stress deformation situations
Arriving, when receiving the most energetically, steel pipe produces how many many aximal deformation values, it is ensured that steel pipe support stability bearing capacity.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 present configuration schematic diagram;
Fig. 2 is the structural representation that in the present invention, piezometer is installed.
Support 1, steel pipe 101, stupefied 2, second wood of the first wood is stupefied 3, load plate the 4, first distribution beam the 5, second distribution beam 6, liquid
Pressure jack 7, piezometer 8, reaction beam 9, strain gauge 10, temperature sensor 11, optical fiber 12, shielded cable 13, oil pipe 14, debugging
Instrument 15, electric oil pump 16, distributed fiberoptic sensor 17, changing sensor 18, data display equipment 19
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
A kind of instrument for measuring bowl fastening type steel pipe support stability bearing capacity, including support 1, described support is by multiple steel
Pipe 101 is constituted, and is cased with multiple changing sensor 18 outside described vertical steel pipe;Multiple changing sensors 18 are connected to data and show
On device 19, described changing sensor 18 is by wireless connection data display 19, and described changing sensor 18 is at every
Steel pipe is provided with three equidistant distributions;Described support 1 top is equipped with the first wood stupefied 2, and the first wood stupefied 2 is provided with the second wood
Stupefied 3, the second wood stupefied 3 is provided with load plate 4, and load plate 4 is provided with the first distribution beam 5 normal thereto, and the first distribution beam 5 is hung down
Directly being provided with the second distribution beam 6, the upper surface of the second distribution beam 6 is provided with hydraulic jack 7, and hydraulic jack 7 is by oil pipe 14
Being connected with electric oil pump 16, hydraulic jack 7 upper surface is connected with reaction beam 9 by piezometer 8, the vertical rod at support 1 node
All being bonded with strain gauge 10 by structure glue with on horizon bar, strain gauge 10 is built with temperature sensor 11, temperature sensor 11
Being connected with adjusting instrument 15 by shielded cable 13, optical fiber 12 bonding on support 1 is connected with distributed fiberoptic sensor 17, light
Fine 12 a length of 80000mm, and be distributed on vertical rod and horizon bar, accounting for the 50% of the total rod member quantity of support body 1, support 1 uses
φ 48 × 3.5mm steel pipe is set up, and the centrage of support 1 is positioned at the centre of reaction beam 9, and support 1 is by vertical rod and horizon bar group
Becoming, the distance between adjacent two vertical rods is 900mm, and the first wood stupefied 2 and the second wood stupefied 3 are mutually perpendicular to, and if the second wood stupefied 3 be designed with
Dry, the second wood stupefied 3 adjacent between spacing be 100mm.
4, operation principle: start electric oil pump 16, by oil pipe 14, hydraulic jack 7 is operated, hydraulic jack
The power of top 7 applying are evenly distributed on support 1 by Loading Plate 4, and vertical rod at support 1 node and parallel bar are provided with
Adaptability to changes 10, second node of the second vertical rod, first and third, five nodes of the 3rd vertical rod and the 5th joint of the 5th vertical rod
Point is provided with temperature sensor 11 in being mounted on adaptability to changes 10, and adaptability to changes 10, shielded cable 13 transmit data signal, distribution
Formula Fibre Optical Sensor 17 is the technology using the one-dimensional of optical fiber 12 to measure, and obtains measured spatial distribution shape simultaneously
State and time dependent information, carry out continuous print survey to strain, the ambient parameter along fiber distribution on whole fiber lengths
Amount, by constantly continuing to increase power on support 1, and observes the deformation after applying power on Fibre Optical Sensor 17, so that it is determined that
The ultimate load of support 1;On the vertical light pipe of support, it is provided with changing sensor, by multiple changing sensor stress deformations simultaneously
Situation is seen, when receiving the most energetically, steel pipe produces how many many aximal deformation values, it is ensured that steel pipe support stability bearing capacity.
Above example only in order to technical scheme to be described, is not intended to limit;Although with reference to previous embodiment
The present invention is described in detail, it will be understood by those within the art that: it still can be to aforementioned each enforcement
Technical scheme described in example is modified, or wherein portion of techniques feature is carried out equivalent;And these amendment or
Replace, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (5)
1. for measuring an instrument for bowl fastening type steel pipe support stability bearing capacity, including support, it is characterised in that: described support
It is made up of multiple steel pipes, outside described vertical steel pipe, is cased with multiple changing sensor;Multiple changing sensors are connected to data and show
Showing on device, it is stupefied that described cradle top is equipped with the first wood, and it is stupefied to be provided with the second wood on the first wood is stupefied, and the second wood stupefied is provided with load
Plate, load plate is provided with the first distribution beam normal thereto, and the first distribution beam is vertically installed with the second distribution beam, the second distribution
The upper surface of beam is provided with hydraulic jack, and hydraulic jack is connected with electric oil pump by oil pipe, and hydraulic jack upper surface leads to
Excess pressure meter is connected with reaction beam, and vertical rod at support node and horizon bar are all bonded with strain gauge by structure glue, strain
Counting built with temperature sensor, temperature sensor is connected with adjusting instrument by shielded cable, optical fiber bonding on support with divide
Cloth Fibre Optical Sensor is connected.
2. the instrument for measuring bowl fastening type steel pipe support stability bearing capacity as claimed in claim 1, it is characterised in that described
Changing sensor by wireless connection data display.
3. the instrument for measuring bowl fastening type steel pipe support stability bearing capacity as claimed in claim 1, it is characterised in that described
Changing sensor on every steel pipe, be provided with three equidistant distributions.
4. the instrument for measuring bowl fastening type steel pipe support stability bearing capacity as claimed in claim 1, it is characterised in that described
First wood is stupefied and the second wood stupefied is mutually perpendicular to, and the second wood is stupefied is designed with several, second wooden stupefied adjacent between spacing be
100mm。
5. the instrument for measuring bowl fastening type steel pipe support stability bearing capacity as claimed in claim 1, it is characterised in that described
Fiber lengths is 80000mm, and is distributed on vertical rod and horizon bar, accounts for the 50% of support body total rod member quantity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610825709.4A CN106320677A (en) | 2016-09-14 | 2016-09-14 | Instrument for measuring stability bearing capacity of bowl buckle type steel pipe support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610825709.4A CN106320677A (en) | 2016-09-14 | 2016-09-14 | Instrument for measuring stability bearing capacity of bowl buckle type steel pipe support |
Publications (1)
Publication Number | Publication Date |
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CN106320677A true CN106320677A (en) | 2017-01-11 |
Family
ID=57787937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610825709.4A Pending CN106320677A (en) | 2016-09-14 | 2016-09-14 | Instrument for measuring stability bearing capacity of bowl buckle type steel pipe support |
Country Status (1)
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CN (1) | CN106320677A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107563057A (en) * | 2017-08-31 | 2018-01-09 | 苏交科集团股份有限公司 | Design and evaluation method for bearing capacity of bowl buckle bearing support |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060213279A1 (en) * | 2005-03-25 | 2006-09-28 | Yong-Kyu Choi | Apparatus and method for measuring supporting force of large diameter ferroconcrete piles |
CN102182311A (en) * | 2011-03-28 | 2011-09-14 | 刘群 | Method for increasing wall connecting piece and improving and determining bearing capacity of support frame |
CN102322134A (en) * | 2011-06-14 | 2012-01-18 | 刘群 | Method for determining difference in bearing capacities of fastener-type full space support frame and full space scaffold |
CN206128585U (en) * | 2016-09-14 | 2017-04-26 | 安徽省建筑科学研究设计院 | A instrument for measuring bowl is detained a formula steel pipe support and is stabilized bearing capacity |
-
2016
- 2016-09-14 CN CN201610825709.4A patent/CN106320677A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060213279A1 (en) * | 2005-03-25 | 2006-09-28 | Yong-Kyu Choi | Apparatus and method for measuring supporting force of large diameter ferroconcrete piles |
CN102182311A (en) * | 2011-03-28 | 2011-09-14 | 刘群 | Method for increasing wall connecting piece and improving and determining bearing capacity of support frame |
CN102322134A (en) * | 2011-06-14 | 2012-01-18 | 刘群 | Method for determining difference in bearing capacities of fastener-type full space support frame and full space scaffold |
CN206128585U (en) * | 2016-09-14 | 2017-04-26 | 安徽省建筑科学研究设计院 | A instrument for measuring bowl is detained a formula steel pipe support and is stabilized bearing capacity |
Non-Patent Citations (4)
Title |
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吴志新等: "碗扣式支撑体系施工过程监测及结果分析", 《安徽建筑大学学报》 * |
吴志新等: "碗扣式钢管支架承载力试验结果分析", 《安徽建筑大学学报》 * |
水博等: "无线通信技术的脚手架安全监测***初探", 《中国建筑金属结构》 * |
许崇甲等: "分布式光纤传感技术在深基坑支护体系-支撑轴力监测中的应用研究", 《中国水运(下半月)》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107563057A (en) * | 2017-08-31 | 2018-01-09 | 苏交科集团股份有限公司 | Design and evaluation method for bearing capacity of bowl buckle bearing support |
CN107563057B (en) * | 2017-08-31 | 2020-09-04 | 苏交科集团股份有限公司 | Design and evaluation method for bearing capacity of bowl buckle bearing support |
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Application publication date: 20170111 |
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