CN103076010A - Fabrication method of forced centering observation pillar for precision engineering measurement and observation pillar - Google Patents
Fabrication method of forced centering observation pillar for precision engineering measurement and observation pillar Download PDFInfo
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- CN103076010A CN103076010A CN2013100298158A CN201310029815A CN103076010A CN 103076010 A CN103076010 A CN 103076010A CN 2013100298158 A CN2013100298158 A CN 2013100298158A CN 201310029815 A CN201310029815 A CN 201310029815A CN 103076010 A CN103076010 A CN 103076010A
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- forced centering
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Abstract
The invention discloses a fabrication method of a forced centering observation pillar for precision engineering measurement and the observation pillar. The fabrication method comprises the steps that a pile hole is dug manually and downward to a bed rock; a steel reinforcement cage is placed in the pile hole in a hanging manner; the bottom of the steel reinforcement cage is placed on the bed rock; the height-set steel reinforcement cage is reserved above the ground surface; an underground concrete pile is poured in the pile hole; after the underground concrete pile is solidified, a formwork is erected and an overground concrete column is poured on the steel reinforcement cage reserved above the ground surface; a forced centering bolt is embedded in the center of the top end of poured concrete; the diameter of the forced centering bolt is required to be matched with a bolt hole at the bottom of an instrument base; a forced centering disk is embedded at the top end of the concrete embedded with the forced centering bolt; and the forced centering bolt penetrates through the center of the forced centering disk. According to the fabrication method of the forced centering observation pillar for the precision engineering measurement and the observation pillar, the technology is simple; the fabrication and embedding method is simple; the pillar is easy to fabricate, and convenient to use, and is not damaged easily; an observation error can be reduced; the observation accuracy is reliable; and specified requirements of standards are met.
Description
Technical field
The present invention relates to a kind of forced centering observation pier of precise engineering survey.Particularly relate to a kind of forced centering for precise engineering survey and observe method for making and the observation pier of pier.
Background technology
Various survey marks in precise engineering survey are construction or the reference mark that installs and measures the control net, the reference point of deformation observation and observation station.As precise engineering control network work progress in, angle measurement, the measuring accuracy of surveying the limit can adopt the instrument of corresponding precision and laying structure reasonably to control net and be guaranteed.But, when observation, need to guarantee that centre and position, reference mark are positioned on the same perpendicular line, in the rotating detection process, normally the tripod in routine sets up instrument, utilize optical centering device or plumb bob centering, be difficult to guarantee that centre aims at center, position, reference mark fully, make measuring accuracy not reach the precision of regulation.For this reason, now, widespread use forced centering observation pier in precise engineering survey, but the method for making to this observation pier does not have detailed data to look in real work, and precise engineering survey is brought very large inconvenience.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of and can reduce observational error, raising accuracy of observation, method for making and the observation pier of the easy forced centering observation pier that is used for precise engineering survey that is easy to make.
The technical solution adopted in the present invention is: a kind of making embedding method of observing pier for the forced centering of precise engineering survey comprises the steps:
1) pile hole excavated by manual work digs downwards to basement rock;
2) install reinforcing cage in the stake hole, described steel reinforcement cage bottom will be put to basement rock, leaves the steel reinforcement cage of setting height more than ground surface;
3) in the stake hole, build the buried concrete stake;
4) treat that the buried concrete stake is solidified after, the part steel reinforcement cage of reserving more than the ground surface is carried out formwork builds the ground concrete post;
The embedding forced centering bolt in center, concrete top of 5) building in step 4), the diameter of described forced centering bolt need the bolt hole coupling with the instrument base bottom;
6) at the embedding forced centering disk in the concrete top of embedding forced centering bolt, the center of described this forced centering disk of forced centering bolt-through.
The described ground concrete post of step 4) include the chassis that is positioned on the ground surface and perpendicular to the chassis and with the integrated concrete column in chassis.
Be fixedly installed bench mark on the described chassis.
To adopt circular bubble with the upper surface horizontalization of forced centering disk during embedding forced centering disk in the step 6).
The periphery of described ground concrete post is provided with four rhizosphere fender piles.
A kind of employing is used for the forced centering of precise engineering survey and observes the forced centering of the making embedding method making of pier observe pier, include steel reinforcement cage, wrap up the lower part of described steel reinforcement cage and be fixedly installed on the bottom with this steel reinforcement cage being used for of being combined as a whole and be the buried concrete stake in the stake hole of basement rock, the upper part of described steel reinforcement cage is positioned on the ground surface, and be enclosed with and be both the ground concrete post that is positioned on the ground surface, and described steel reinforcement cage is combined as a whole with described ground concrete post and is fixedly connected with, the center that is positioned at the ground concrete post on steel reinforcement cage top is fixedly installed the forced centering bolt, and be covered with the forced centering disk, the upper end of described forced centering bolt run through this forced centering disk be centered close to this forced centering disk above.
The bottom of described steel reinforcement cage contacts with the bottom basement rock of described foundation ditch.
Described ground concrete post include the chassis that is positioned on the ground surface and perpendicular to the center on chassis and with the integrated concrete column in chassis.
Be fixedly installed bench mark on the described chassis.
Periphery on the described chassis is provided with four rhizosphere fender piles.
Forced centering for precise engineering survey of the present invention is observed method for making and the observation pier of pier, simple process is easy to make, and has an embedding method of making easy, not fragile, easy to use, can reduce observational error, accuracy of observation is reliable, satisfies the regulation and stipulation requirement.Directly instrument or prism are rotatably coupled to flatten on the thoughts of returning home bolt on observation pier top when the present invention uses and get final product, reduced the error of centralization, improved accuracy of observation.
Description of drawings
Fig. 1 is the schematic diagram that adopts the forced centering observation pier that is used for precise engineering survey that method of the present invention produces;
Fig. 2 is the partial top view of Fig. 1.
Among the figure
1: steel reinforcement cage 2: the buried concrete stake
3: ground concrete post 31: chassis
32: concrete column 4: the forced centering bolt
5: forced centering disk 6: basement rock
7: bench mark 8: fender post
9: foundation ditch
Embodiment
Observe the method for making of pier and observation pier make a detailed description below in conjunction with embodiment and accompanying drawing to the forced centering for precise engineering survey of the present invention.
The making embedding method of the forced centering observation pier for precise engineering survey of the present invention comprises the steps: as shown in Figure 1 and Figure 2
1) pile hole excavated by manual work 9, dig downwards to basement rock 6; In pile hole excavated by manual work 9 processes, to control a hole 9 verticality, check loosened soil in a stake hole quality, the cleaning stake hole 9, get rid of the ponding in the hole 9.
2) the 9 interior install reinforcing cages 1 to the stake hole, described steel reinforcement cage 1 bottom will be put to basement rock 6, leaves the steel steel reinforcement cage 1 of setting height more than ground surface, and the present embodiment leaves the steel reinforcement cage 1 of 1200mm height more than ground surface;
3) in stake hole 9, build buried concrete stake 2;
4) treat that buried concrete stake 2 is solidified after, the part steel reinforcement cage 1 of reserving more than the ground surface is carried out formwork builds ground concrete post 3; Described ground concrete post 3 include the chassis 31 that is positioned on the ground surface and perpendicular to chassis 31 and with chassis 31 integrated concrete columns 32.Be fixedly installed bench mark 7 on 31 on the described chassis.
The embedding forced centering bolt 4 in center, concrete top of 5) building in step 4), the diameter of described forced centering bolt 4 need the bolt hole coupling with the instrument base bottom;
6) at the embedding forced centering disk 5 in the concrete top of embedding forced centering bolt 4, described forced centering bolt 4 runs through the center of this forced centering disk 5; When embedding forced centering disk 5, to adopt circular bubble with the upper surface horizontalization of forced centering disk 5.
The periphery of described ground concrete post is provided with four rhizosphere fender piles 8.
Such as Fig. 1, shown in Figure 2, the forced centering observation pier that adopts the forced centering for precise engineering survey of the present invention to observe the making embedding method of pier make, include the steel reinforcement cage 1 for perpendicular positioning, wrap the lower part of described steel reinforcement cage 1 and be fixedly installed on the bottom with this steel reinforcement cage 1 being used for of being combined as a whole by the mode of building and be the buried concrete stake 2 in the stake hole 9 of basement rock 6, described buried concrete stake 2 will be satisfied when being fixedly installed the buried concrete stake 2 that is wrapped in steel reinforcement cage 1 in foundation ditch 9, guarantee that the bottom of described steel reinforcement cage 1 contacts with 9 basement rock 6 in the end of described foundation ditch.The upper part of described steel reinforcement cage 1 is positioned on the ground surface, and be enclosed with and be both the ground concrete post 3 that is positioned on the ground surface, and described steel reinforcement cage 1 is combined as a whole with described ground concrete post 3 and is fixedly connected with, the center that is positioned at the ground concrete post 3 on steel reinforcement cage 1 top is fixedly installed forced centering bolt 4, and be covered with forced centering disk 5, the upper end of described forced centering bolt 4 run through this forced centering disk 5 be centered close to this forced centering disk 5 above.
The upper part of described steel reinforcement cage 1 is positioned on the ground surface, and the present embodiment is the steel reinforcement cage that leaves the 1200mm height at ground surface.The mode of building by formwork on the described steel reinforcement cage 1 is enclosed with and is both the ground concrete post 3 that is positioned on the ground surface, and described steel reinforcement cage 1 is combined as a whole with described ground concrete post 3 and is fixedly connected with, the ground concrete post 3 of building include the chassis 31 that is positioned on the ground surface and perpendicular to the center on chassis 31 and with chassis 31 integrated concrete columns 32.Be fixedly installed bench mark 7 on 31 on the described chassis, described bench mark 7 can be a steel column that is fixed on the chassis on 31.The center that is positioned at the ground concrete post 3 on steel reinforcement cage 1 top is fixedly installed forced centering bolt 4, and is covered with forced centering disk 5, the upper end of described forced centering bolt 4 run through this forced centering disk 5 be centered close to this forced centering disk 5 above.When being set, to adopt by forced centering disk 5 circular bubble with the upper surface horizontalization of forced centering disk 5.
In order to protect the forced centering observation pier for precise engineering survey of the present invention, 31 periphery is provided with four rhizosphere fender piles 8 on described chassis.As can be on the chassis 31 four arms of angle respectively establish a fender post 8.
Claims (10)
1. a making embedding method that is used for the forced centering observation pier of precise engineering survey is characterized in that, comprises the steps:
1) pile hole excavated by manual work (9) digs downwards to basement rock (6);
2) to the interior install reinforcing cage in stake hole (9) (1), described steel reinforcement cage (1) bottom will be put to basement rock (6), leaves the steel reinforcement cage (1) of setting height more than ground surface;
3) in stake hole (9), build buried concrete stake (2);
4) treat that buried concrete stake (2) is solidified after, the part steel reinforcement cage (1) of reserving more than the ground surface is carried out formwork builds ground concrete post (3);
The embedding forced centering bolt in center, concrete top (4) of 5) building in step 4), the diameter of described forced centering bolt (4) need the bolt hole coupling with the instrument base bottom;
6) at the embedding forced centering disk in the concrete top of embedding forced centering bolt (4) (5), described forced centering bolt (4) runs through the center of this forced centering disk (5).
2. the making embedding method of the forced centering observation pier for precise engineering survey according to claim 1, it is characterized in that, the described ground concrete post of step 4) (3) include the chassis (31) that is positioned on the ground surface and perpendicular to chassis (31) and with the integrated concrete column in chassis (31) (32).
3. the making embedding method of observing pier for the forced centering of precise engineering survey according to claim 2 is characterized in that, is fixedly installed bench mark (7) on the described chassis on (31).
4. the making embedding method of the forced centering observation pier for precise engineering survey according to claim 1 is characterized in that, will adopt circular bubble with the upper surface horizontalization of forced centering disk (5) during embedding forced centering disk (5) in the step 6).
5. the making embedding method of observing pier for the forced centering of precise engineering survey according to claim 1 is characterized in that, the periphery of described ground concrete post (3) is provided with four rhizosphere fender piles (8).
6. a forced centering that adopts the forced centering for precise engineering survey claimed in claim 1 to observe the making embedding method of pier make is observed pier, it is characterized in that, include steel reinforcement cage (1), wrap up the lower part of described steel reinforcement cage (1) and be fixedly installed on the bottom with this steel reinforcement cage (1) being used for of being combined as a whole and be the buried concrete stake (2) in the stake hole (9) of basement rock (6), the upper part of described steel reinforcement cage (1) is positioned on the ground surface, and be enclosed with and be both the ground concrete post (3) that is positioned on the ground surface, and described steel reinforcement cage (1) is combined as a whole with described ground concrete post (3) and is fixedly connected with, the center that is positioned at the ground concrete post (3) on steel reinforcement cage (1) top is fixedly installed forced centering bolt (4), and be covered with forced centering disk (5), the upper end of described forced centering bolt (4) run through this forced centering disk (5) be centered close to this forced centering disk (5) above.
7. forced centering observation pier according to claim 6 is characterized in that, the bottom of described steel reinforcement cage (1) contacts with the bottom basement rock (6) of described foundation ditch (9).
8. the forced centering for precise engineering survey according to claim 6 is observed pier, it is characterized in that, described ground concrete post (3) include the chassis (31) that is positioned on the ground surface and perpendicular to the center of chassis (31) and with the integrated concrete column in chassis (31) (32).
9. the forced centering observation pier for precise engineering survey according to claim 8 is characterized in that, is fixedly installed bench mark (7) on the described chassis on (31).
10. the forced centering observation pier for precise engineering survey according to claim 8 is characterized in that, the periphery of (31) is provided with four rhizosphere fender piles (8) on the described chassis.
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| CN2013100298158A CN103076010A (en) | 2013-01-25 | 2013-01-25 | Fabrication method of forced centering observation pillar for precision engineering measurement and observation pillar |
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| CN2013100298158A CN103076010A (en) | 2013-01-25 | 2013-01-25 | Fabrication method of forced centering observation pillar for precision engineering measurement and observation pillar |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403996A (en) * | 2016-08-29 | 2017-02-15 | 中冶天工集团天津有限公司 | Production method of forced centering observation mark stake for precision engineering measurement |
| CN107130627A (en) * | 2017-06-04 | 2017-09-05 | 安徽数地空间信息科技有限公司 | A kind of construction method of the observation pier based on GNSS system for monitoring displacement |
| CN109736296A (en) * | 2019-01-04 | 2019-05-10 | 武汉船用机械有限责任公司 | The installation method of pre-buried benchmark and the setting method of workshop benchmark |
| CN109944272A (en) * | 2019-04-12 | 2019-06-28 | 中铁七局集团有限公司 | A kind of subway work multifunctional measuring architecture of base station |
| CN110295634A (en) * | 2019-08-15 | 2019-10-01 | 中国电建集团贵州电力设计研究院有限公司 | A kind of GNSS monitoring device and its construction method convenient for field installation |
| CN112900474A (en) * | 2021-01-26 | 2021-06-04 | 山东电力工程咨询院有限公司 | Beidou reference station observation pier construction method and observation pier |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403996A (en) * | 2016-08-29 | 2017-02-15 | 中冶天工集团天津有限公司 | Production method of forced centering observation mark stake for precision engineering measurement |
| CN107130627A (en) * | 2017-06-04 | 2017-09-05 | 安徽数地空间信息科技有限公司 | A kind of construction method of the observation pier based on GNSS system for monitoring displacement |
| CN109736296A (en) * | 2019-01-04 | 2019-05-10 | 武汉船用机械有限责任公司 | The installation method of pre-buried benchmark and the setting method of workshop benchmark |
| CN109944272A (en) * | 2019-04-12 | 2019-06-28 | 中铁七局集团有限公司 | A kind of subway work multifunctional measuring architecture of base station |
| CN110295634A (en) * | 2019-08-15 | 2019-10-01 | 中国电建集团贵州电力设计研究院有限公司 | A kind of GNSS monitoring device and its construction method convenient for field installation |
| CN110295634B (en) * | 2019-08-15 | 2024-04-02 | 中国电建集团贵州电力设计研究院有限公司 | GNSS monitoring device convenient for field installation and construction method thereof |
| CN112900474A (en) * | 2021-01-26 | 2021-06-04 | 山东电力工程咨询院有限公司 | Beidou reference station observation pier construction method and observation pier |
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Application publication date: 20130501 |