CN103047940B - Utilize method and the device of laser radio stadia surveying mass concrete invert cubic deformation - Google Patents
Utilize method and the device of laser radio stadia surveying mass concrete invert cubic deformation Download PDFInfo
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- CN103047940B CN103047940B CN201210546879.0A CN201210546879A CN103047940B CN 103047940 B CN103047940 B CN 103047940B CN 201210546879 A CN201210546879 A CN 201210546879A CN 103047940 B CN103047940 B CN 103047940B
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Abstract
The invention discloses a kind of method utilizing laser radio stadia surveying mass concrete invert to build rear cubic deformation, mainly comprise the steps that after described concrete floor has been built and reached initial set, a laser range finder being connected with computer and a laser-bounce plate are set up in respectively the relative position of described concrete floor dual-side；Open described laser range finder and make the laser that described laser range finder is launched be irradiated on described laser-bounce plate, generating the distance signal between described laser range finder and described laser-bounce plate, and by described distance signal transmission to described computer；When described concrete floor expands with contraction distortion, the distance signal generation respective change generated between described laser range finder and described laser-bounce plate, obtain the change in volume of described concrete floor by measuring and recording described distance signal。Laser range finder is utilized to measure the deformation of concrete floor with laser-bounce plate。
Description
Technical field
The present invention relates to the measuring method of a kind of mass concrete invert cubic deformation, especially a kind of method utilizing laser radio stadia surveying mass concrete invert cubic deformation and device。
Background technology
Mass concrete invert can cause rising and the volumetric expansion of baseplate temp due to the release of hydration heat of cement after building, and after hydration heat of cement rate of release slows down, can cause that temperature declines cause base plate volume contraction due to backplate surface heat radiation again。The expansion of concrete floor is subjected to the constraint of foundation soil and pile foundation with contraction, it is impossible to freely occur, but the restrained deformation size of base plate is difficult to by calculating acquisition by foundation soil and pile foundation, so the early hydration thermal deformation of base plate is difficult to by calculating acquisition。Therefore the present invention provides a kind of method the actual heat of hydration deformation measuring mass concrete invert, such that it is able to utilize actual measurement to measure anti-foundation soil and the pile foundation effect of contraction power to base plate released of the deformation arrived, and this actual cubic deformation measured can be also used for calculating the stress produced on the contact surface between two pieces of base plates due to expansion or shrinkage。
Summary of the invention
The technical problem to be solved is to provide a kind of method and device utilizing laser radio stadia surveying mass concrete invert to cause cubic deformation due to early water heat-transformation。
For realizing above-mentioned technique effect, the invention discloses a kind of method utilizing laser radio stadia surveying mass concrete invert to build rear cubic deformation, described method mainly comprises the steps that
After described concrete floor has been built and has been reached initial set, one laser range finder being connected with computer and a laser-bounce plate are set up in respectively the relative position of described concrete floor dual-side, described laser range finder is placed in advance in a galvanized steel plain sheet box, described galvanized steel plain sheet box is fixed on by hinge the top of one first three-legged support, and described galvanized steel plain sheet box is set up on described concrete floor by described first three-legged support, before described galvanized steel plain sheet box, plural number through hole is offered with side；
Open described laser range finder and the laser that makes described laser range finder launch is irradiated on described laser-bounce plate by the through hole before described galvanized steel plain sheet box, generate the distance signal between described laser range finder and described laser-bounce plate, and by described distance signal by the through hole transmission of described galvanized steel plain sheet box side to described computer；
When described concrete floor expands with contraction distortion, the distance signal generation respective change generated between described laser range finder and described laser-bounce plate, obtain the change in volume of described concrete floor by measuring and recording described distance signal；
Utilize anti-foundation soil and the pile foundation effect of contraction power to described concrete floor released of described change in volume, utilize described change in volume to calculate the stress produced on the contact surface due to expansion or shrinkage between two pieces of described concrete floors。
Described method is further improved by, and described laser-bounce plate is fixed by welding on one second three-legged support and is set up on described concrete floor。
Described method is further improved by, and the foot at described first three-legged support and described second three-legged support is welded with nut, described first three-legged support and described second three-legged support is fixed on described concrete floor by screw。
The invention also discloses a kind of device utilizing laser radio stadia surveying mass concrete invert to build rear cubic deformation, described device includes a laser range finder and a laser-bounce plate, described laser range finder and described laser-bounce plate are set up in the relative position of described concrete floor dual-side respectively after concrete floor has been built and reached initial set, described laser range finder is placed in a galvanized steel plain sheet box in advance, described galvanized steel plain sheet box is fixed on the top of one first three-legged support by hinge, described galvanized steel plain sheet box is set up on described concrete floor by described first three-legged support, offer plural number through hole with side before described galvanized steel plain sheet box, the laser that described laser range finder is launched is irradiated on described laser-bounce plate by the through hole before described galvanized steel plain sheet box, described laser range finder is connected by through hole and a Computer Wireless Communication of described galvanized steel plain sheet box side。
Described device is further improved by, and described laser range finder is connected with described Computer Wireless Communication in the scope of 500 meters。
Described device is further improved by, and described laser-bounce plate is the galvanized steel plain sheet of a 20cm*20cm, is set up on described concrete floor by being welded on one second three-legged support。
Described device is further improved by, and the foot of described first three-legged support and described second three-legged support is welded with nut, is screwed on described concrete floor。
Due to the fact that and have employed above technical scheme, make it have following providing the benefit that: laser range finder and laser-bounce plate are set up in respectively the relative position of concrete floor dual-side, laser range finder is together subjected to displacement deformation with the expansion of concrete floor with shrinking with laser-bounce plate, distance between laser range finder and laser-bounce plate that synchro measure is obtained by laser range finder, i.e. distance between concrete floor dual-side, transmission, to computer, generates concrete floor cubic deformation curve in computer。
Accompanying drawing explanation
Fig. 1 is that the present invention utilizes laser radio stadia surveying mass concrete invert to build the schematic diagram of device of rear cubic deformation。
Fig. 2 is the cubic deformation curve of the concrete floor that in the present invention, an examples measure arrives。
Detailed description of the invention
For the benefit of further appreciating that present configuration, below in conjunction with specific embodiment, the invention will be further described。
Consult shown in Fig. 1, the device 1 that laser radio stadia surveying mass concrete invert builds rear cubic deformation that utilizes of the present invention is mainly made up of a laser range finder 11 and a laser-bounce plate 12, wherein, laser range finder 11 is placed in a galvanized steel plain sheet box 13, the sidewall of galvanized steel plain sheet box 13 offers plural number through hole 14, laser range finder launches the laser 110 of 11 by the through hole 14 on front side of galvanized steel plain sheet box 13 to emission, galvanized steel plain sheet box 11 is fixed on the top of a three-legged support 15 by hinge, laser-bounce plate 12 is the galvanized steel plain sheet of a 20cm*20cm, it is welded in the top of a three-legged support 15, two three-legged supports 15 are individually fixed in the relative position of concrete floor 10 dual-side in use, wherein, the foot of three-legged support 15 is welded with nut, it is screwed on concrete floor 10, thus laser range finder 11 and laser-bounce plate 12 being set up in respectively the relative position of concrete floor 10 dual-side。The signal of communication 111 of laser range finder 11 is spread out of by the through hole 14 of side, carries out radio communication with computer 16 in the scope of 500 meters。The laser 110 that laser range finder 11 is launched is irradiated on laser-bounce plate 12, generate the distance signal between laser radio diastimeter 11 and laser-bounce plate 12, this distance signal is exactly the distance signal that concrete floor 10 connects between side, and by this distance signal transmission to computer 16, when concrete floor 10 expands with contraction distortion, this distance signal generation respective change produced between laser range finder 11 and laser-bounce plate 12, the change in volume curve of concrete floor 10 is obtained, as shown in Figure 2 by measuring and recording this distance signal。
The present invention utilizes the Specific construction content of the method that laser radio stadia surveying mass concrete invert builds rear cubic deformation as follows:
(1) choose laser range finder 11, adjust the communication of laser range finder 11 and computer 16 so that laser range finder 11 can carry out radio communication with computer 16 in the scope of 500 meters；
(2) galvanized steel plain sheet is used to process a cubic container box; i.e. galvanized steel plain sheet box 13; laser range finder 11 is placed in galvanized steel plain sheet box 13; galvanized steel plain sheet box 13 can be protected laser range finder 11 not irradiated by sunlight and water pouring with rainwater; before galvanized steel plain sheet box 13, offer plural number through hole 14 with side simultaneously; the laser 110 that laser range finder 11 is launched can be spread out of by the through hole 14 that pass through above, and the wireless signal 111 that laser range finder 11 is launched can pass through the through hole 14 of side and spread out of；
(3) two three-legged supports 15 of steel bar meter using diameter to be 18mm, the foot of three-legged support 15 is welded with nut so that three-legged support 15 can be screwed on concrete floor 10；
(4) galvanized steel plain sheet box 13 is fixed on the top of a three-legged support 15 with hinge, at the galvanized steel plain sheet of one 20cm*20cm of welded top of another three-legged support 15, as laser-bounce plate 12；
(5) after Rectangular Concrete base plate 10 has been built and reached initial set, immediately two three-legged supports 15 are fixed on the relative position of concrete floor 10 dual-side, and in galvanized steel plain sheet box 13, load laser range finder 11, open laser range finder 11 and make the laser 110 that laser range finder 11 is launched can be irradiated on the laser-bounce plate 12 of opposite three-legged support 15, and generate the distance signal between laser range finder 11 and laser-bounce plate 12, distance signal between this distance signal i.e. concrete floor 10 dual-side, by this distance signal transmission to computer 16；
(6) computer 16 receives this distance signal that laser range finder 11 is launched, automatically the record of production is recorded, when concrete floor 10 expands with contraction distortion, concrete floor 10 drives three-legged support 15 to deform together, distance between two three-legged supports 15 changes accordingly, this distance signal generation respective change generated between laser range finder and laser-bounce plate, just can obtain the change in volume of concrete floor 10 by measuring the distance signal between recording laser diastimeter 11 and laser-bounce plate 12。
(7) operation duration 28 days is measured, the cubic deformation of 28 days after building of measuring concrete floor 10。
Above in association with accompanying drawing embodiment, the present invention being described in detail, the present invention can be made many variations example by those skilled in the art according to the above description。Thus, some details in embodiment should not constitute limitation of the invention, the present invention by the scope that defines using appended claims as protection scope of the present invention。
Claims (7)
1. the method utilizing laser radio stadia surveying mass concrete invert cubic deformation, it is characterised in that described method includes following sequence step:
After described concrete floor has been built and has been reached initial set, one laser range finder being connected with computer and a laser-bounce plate are set up in respectively the relative position of described concrete floor dual-side, described laser range finder is placed in advance in a galvanized steel plain sheet box, described galvanized steel plain sheet box is fixed on by hinge the top of one first three-legged support, and described galvanized steel plain sheet box is set up on described concrete floor by described first three-legged support, before described galvanized steel plain sheet box, plural number through hole is offered with side；
Open described laser range finder and the laser that makes described laser range finder launch is irradiated on described laser-bounce plate by the through hole before described galvanized steel plain sheet box, generate the distance signal between described laser range finder and described laser-bounce plate, and by described distance signal by the through hole transmission of described galvanized steel plain sheet box side to described computer；
When described concrete floor expands with contraction distortion, the distance signal generation respective change generated between described laser range finder and described laser-bounce plate, obtain the change in volume of described concrete floor by measuring and recording described distance signal；
Utilize anti-foundation soil and the pile foundation effect of contraction power to described concrete floor released of described change in volume, utilize described change in volume to calculate the stress produced on the contact surface due to expansion or shrinkage between two pieces of described concrete floors。
2. the method for claim 1, it is characterised in that: described laser-bounce plate is fixed by welding on one second three-legged support and is set up on described concrete floor。
3. method as claimed in claim 2, it is characterised in that: the foot at described first three-legged support and described second three-legged support is welded with nut, described first three-legged support and described second three-legged support is fixed on described concrete floor by screw。
4. the device utilizing laser radio stadia surveying mass concrete invert cubic deformation, it is characterized in that: described device includes a laser range finder and a laser-bounce plate, described laser range finder and described laser-bounce plate are set up in the relative position of described concrete floor dual-side respectively after concrete floor has been built and reached initial set, described laser range finder is placed in a galvanized steel plain sheet box in advance, described galvanized steel plain sheet box is fixed on the top of one first three-legged support by hinge, described galvanized steel plain sheet box is set up on described concrete floor by described first three-legged support, offer plural number through hole with side before described galvanized steel plain sheet box, the laser that described laser range finder is launched is irradiated on described laser-bounce plate by the through hole before described galvanized steel plain sheet box, described laser range finder is connected by through hole and a Computer Wireless Communication of described galvanized steel plain sheet box side。
5. device as claimed in claim 4, it is characterised in that: described laser range finder is connected with described Computer Wireless Communication in the scope of 500 meters。
6. device as claimed in claim 4, it is characterised in that: described laser-bounce plate is the galvanized steel plain sheet of a 20cm*20cm, is set up on described concrete floor by being welded on one second three-legged support。
7. device as claimed in claim 6, it is characterised in that: the foot of described first three-legged support and described second three-legged support is welded with nut, is screwed on described concrete floor。
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Families Citing this family (13)
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| CN103604409B (en) * | 2013-12-03 | 2017-02-01 | 中国建筑第八工程局有限公司 | Newly-poured concrete floor slab overall shrinkage constraint deformation measuring method |
| CN103604387B (en) * | 2013-12-11 | 2016-01-20 | 中国建筑第八工程局有限公司 | Young concrete body of wall overall hydration heat constrained displacement measuring method |
| CN103630084B (en) * | 2013-12-11 | 2017-01-11 | 中国建筑第八工程局有限公司 | Integral constrained deformation measuring method under concrete frame structure seasonal temperature difference action |
| CN104534986A (en) * | 2014-12-22 | 2015-04-22 | 华北水利水电大学 | Material yard material measuring system based on laser measurement technology |
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| CN105277440B (en) * | 2015-11-20 | 2018-06-29 | 王旭明 | A kind of air-conditioning heating tube pressure resistance detection device |
| CN106403834B (en) * | 2016-09-26 | 2019-12-13 | 中国建筑第八工程局有限公司 | cast-in-place concrete deformation measuring system and measuring method thereof |
| CN107037440B (en) * | 2017-06-22 | 2023-11-24 | 内蒙古公路工程咨询监理有限责任公司 | Laser range finder for traffic engineering quality detection |
| CN108872300A (en) * | 2018-09-21 | 2018-11-23 | 华北水利水电大学 | A kind of full laser type material thermal expansion coefficient measuring quickly and automatically device |
| CN111889920B (en) * | 2020-07-28 | 2022-07-05 | 中车大连电力牵引研发中心有限公司 | Wireless closed-loop control method and device for inhibiting welding deformation of medium plate based on laser and storage medium |
| CN113029032B (en) * | 2021-03-26 | 2022-04-01 | 中南大学 | High-precision surface shape measuring method and device based on spectrum confocal |
| CN114086559A (en) * | 2021-10-11 | 2022-02-25 | 保利长大工程有限公司 | Laser ranging system, steel shell concrete speed regulation system and speed regulation method |
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