CN103376064A - Building foundation ditch or side slope deformation monitoring method and building foundation ditch or side slope deformation monitoring reflection device - Google Patents
Building foundation ditch or side slope deformation monitoring method and building foundation ditch or side slope deformation monitoring reflection device Download PDFInfo
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- CN103376064A CN103376064A CN2012101163581A CN201210116358A CN103376064A CN 103376064 A CN103376064 A CN 103376064A CN 2012101163581 A CN2012101163581 A CN 2012101163581A CN 201210116358 A CN201210116358 A CN 201210116358A CN 103376064 A CN103376064 A CN 103376064A
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- side slope
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Abstract
The invention discloses a building foundation ditch or side slope deformation monitoring method and a building foundation ditch or side slope deformation monitoring reflection device. According to the building foundation ditch or side slope deformation monitoring method and the building foundation ditch or side slope deformation monitoring reflection device, when a total station instrument is used for monitoring building foundation ditch or side slope deformation, bolts or reinforcing steel bars are buried in advance at the position of each monitoring point of a monitored side slope or a monitored building foundation ditch, then the monitoring reflection device with aluminum-foil paper, sliver paper or a thin aluminum plate as the reflection face is fixed on each bolt or each reinforcing steel bar, a cross-curve-shaped reflection center is manufactured in each aluminum-foil paper or each thin aluminum plate serving as the reflection face, and then the total station instrument is used for reading data of the cross-curve-shaped reflection centers on the reflection faces of the monitoring reflection devices, so that the building foundation ditch side slope deformation or the foundation ditch deformation can be monitored through the total station instrument. The device has the advantages of being safe and reliable in use, convenient to use, simple in structure, easy to manufacture, low in manufacturing cost and use cost, high in monitoring accuracy and working efficiency and the like, and can be used in monitoring programs of the deformation on the side slope, a building and the like.
Description
Technical field
The present invention relates to monitoring method and the monitoring reflection unit of a kind of building foundation pit or slope deforming, belong to building foundation pit technology for deformation monitoring field.
Background technology
At present, when monitoring for the distortion of building foundation pit or side slope in the prior art, its conventional watchdog routine is, to survey first nail and be fixed on the beams of concrete of Slope body or slope retaining system, then in each monitoring, by manually centering rod being stood in the cross point position of surveying screw top section, and with centering rod centering, when the measurement bubble of centering rod is placed in the middle, reads again the data of centering rod top prism central point by total powerstation, thereby reach the monitoring purpose.This employing total powerstation of the prior art carries out the monitoring method of building foundation pit or slope deforming by surveying nail and centering rod and prism, exist following major defect:
1, because every of each measurement all needs manually-operated, and its measurement progress is slow, and because there is personal error in the artificial origin in the measurement point data;
2, at present city foundation ditch safe class major part is 1 grade, and foundation depth is generally greater than 10m, some in addition reach more than 30 meters, and the layout of the monitoring points position generally is positioned at the edge of side slope and foundation ditch, the each measurement all needs artificial climbing, increase climbing personnel's danger;
3, because the structure of surveying nail, centering rod and prism more complicated all, cost of manufacture is all higher, thereby the expense of monitoring is higher.
Because the monitoring mode of existing building foundation pit distortion exists above-mentioned shortcoming, still can not satisfy the needs of use.
Summary of the invention
The object of the invention is to: provide a kind of simple in structure, cost of use is lower and the monitoring method of easy to use, safe and reliable, that monitoring accuracy is higher building foundation pit or slope deforming and monitoring reflection unit, to overcome the deficiencies in the prior art.
The present invention is achieved in that the monitoring method of a kind of building foundation pit of the present invention or slope deforming is, the method comprises the distortion of adopting total powerstation monitoring building foundation pit or side slope, when adopting the distortion of total powerstation monitoring building foundation pit or side slope, bolt or reinforcing bar on pre-buried at the place, each monitoring point of monitored side slope or building foundation pit in advance, then on each bolt or reinforcing bar, fix one and adopt aluminium-foil paper, masking foil or thin aluminum sheet are as the monitoring reflection unit of reflecting surface, on as the aluminium film of reflecting surface or aluminium sheet, all be manufactured with the nemaline reflection kernel of cross, then adopt total powerstation to read the nemaline reflection kernel data of cross on the monitoring reflection unit reflecting surface, can monitor the side slope of building foundation pit or the distortion of foundation ditch by total powerstation like this.
Being used for of the present invention a kind of building foundation pit of said method or the monitoring reflection unit of slope deforming is: this monitoring reflection unit comprises base plate and reflecting plate, base plate and reflecting plate connect into L shaped shape, be provided with bolt mounting holes at base plate, be pasted with aluminium-foil paper, masking foil or thin aluminum sheet as reflecting surface at reflecting plate, and in the center position portrayal as aluminium-foil paper, masking foil or the thin aluminum sheet of reflecting surface the nemaline reflection kernel of cross arranged.
The angle of the angle between the bottom surface of above-mentioned base plate and the reflecting surface of reflecting plate is 60 °～80 °.
The center line of the center line of the bolt mounting holes of above-mentioned base plate and the nemaline reflection kernel of cross on the reflecting surface is on same plane perpendicular to the base plate bottom surface, and the central point of the center line of bolt mounting holes and the nemaline reflection kernel of cross intersects.
On said reflection plate, reflecting surface around be provided with leg-of-mutton surveyor's beacon line.
Above-mentioned base plate and reflecting plate are aluminium sheet, iron plate, plank or plastic plate structure.
Owing to adopted technique scheme, the present invention is by the reflecting surface that will monitor reflection unit and corresponding being used of total powerstation of monitoring usefulness, because the present invention is fixed on the monitoring reflection unit on the monitored point, therefore be not vulnerable to artificial impact, thereby can effectively reduce the personal error in the slope monitoring process, improve the monitoring precision, adopt monitoring reflection unit of the present invention, can greatly accelerate the cloth spot speed of monitoring point, thus can be more early the deformation data that collects side slope or foundation ditch.After adopting the present invention to layout, cooperate again existing Lycra high precision total station to carry out precise monitoring to the distortion of building foundation pit efficiently, and when monitoring, the control point be need not manually again to put, can directly avoid the danger of the monitor staff on side slope.So, the present invention compared with prior art, the present invention not only has the safety used, convenient and reliable advantage, but also have simple in structure, make easily and the advantage such as cost is low, cost of use is low, monitoring accuracy is high, work efficiency is high.The present invention can use in the deformation monitoring projects such as slope monitoring, buildings monitoring.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is that the A of Fig. 1 is to structural representation.
Description of reference numerals: 1-base plate, 1.1-bolt mounting holes, 2-reflecting plate, 2.1-reflecting surface, 2.2-reflection kernel, 2.3-surveyor's beacon line, the angle between the bottom surface of α-base plate and the reflecting surface of reflecting plate.
Embodiment
Below, the present invention is further illustrated in conjunction with the accompanying drawings and embodiments.
Embodiments of the invention: when adopting the distortion of traditional total powerstation monitoring building foundation pit or side slope, can adopt the monitoring method of a kind of building foundation pit of the present invention or slope deforming, namely when adopting the distortion of total powerstation monitoring building foundation pit or side slope, bolt or reinforcing bar on pre-buried at the place, each monitoring point of monitored side slope or building foundation pit in advance, then on each bolt or reinforcing bar, fix one and adopt aluminium-foil paper, masking foil or thin aluminum sheet are as the monitoring reflection unit of reflecting surface, on as the aluminium film of reflecting surface or aluminium sheet, all be manufactured with the nemaline reflection kernel of cross, then adopt total powerstation to read the nemaline reflection kernel data of cross on the monitoring reflection unit reflecting surface, can monitor the side slope of building foundation pit or the distortion of foundation ditch by total powerstation like this.
Be used for the structural representation of monitoring reflection unit of of the present invention a kind of building foundation pit of said method or slope deforming such as figure and shown in Figure 2, this monitoring reflection unit comprises base plate 1 and reflecting plate 2, its base plate 1 and reflecting plate 2 can adopt aluminium sheet, iron plate, plank or plastic plate are made, during making, base plate 1 and reflecting plate 2 are made as one and are made into L shaped shape (as shown in Figure 1), produce a bolt mounting holes 1.1 at base plate 1, paste reflecting surface 2.1 at reflecting plate 2, reflecting surface 2.1 can adopt aluminium-foil paper, masking foil or thin aluminum sheet are made, when adopting aluminium sheet to make reflecting plate 2, the surface of this aluminium sheet can be directly as reflecting surface 2.1, simultaneously at the aluminium-foil paper as reflecting surface 2.1, the center position of masking foil or thin aluminum sheet depicts a nemaline reflection kernel 2.2 of cross; During making, can be according to the needs that use, the angle of the angle α between the reflecting surface 2.1 of the bottom surface of base plate 1 and reflecting plate 2 is made as 60 °～80 °; In order to use and to regulate convenient, the center line of the bolt mounting holes 1.1 of base plate 1 and the center line of the nemaline reflection kernel 2.2 of cross on the reflecting surface 2.1 all can be produced on the same plane perpendicular to base plate 1 bottom surface, and the center line of bolt mounting holes 1.1 and the central point of the nemaline reflection kernel 2.2 of cross are intersected, even the center line of bolt mounting holes 1.1 passes the central point of the nemaline reflection kernel 2.2 of cross; Convenient in order to use, can be on reflecting plate 2, reflecting surface 2.1 around produce respectively a leg-of-mutton surveyor's beacon line 2.3(as shown in Figure 2).
When using monitoring reflection unit of the present invention, when on the bolt that base plate 1 is fixed on by bolt mounting holes 1.1 on the monitoring point, in monitor procedure, because the impact of some uncertain factors such as site operation, base plate 1 can rotate along the center of circle of bolt mounting holes 1.1, but because the center line of the bolt mounting holes 1.1 of base plate 1 and the center line of the nemaline reflection kernel 2.2 of cross on the reflecting surface 2.1 all are produced on the same plane perpendicular to base plate 1 bottom surface, and the central point of the nemaline reflection kernel 2.2 of the center line of bolt mounting holes 1.1 and cross intersects, and the nemaline reflection kernel of cross 2.2 target aiming point during for monitoring, so no matter bearing in use rotates to any one direction, can not produce any impact to Monitoring Data.When using monitoring reflection unit of the present invention, when monitored monitoring point and the position between the total powerstation are far away, if when not seeing the nemaline reflection kernel 2.2 of cross on the reflecting surface 2.1, can aim at reflection kernel 2.2 by the leg-of-mutton surveyor's beacon line 2.3 on the reflecting plate 2, around the reflecting surface 2.1.
Claims (6)
1. the monitoring method of a building foundation pit or slope deforming, comprise the distortion of adopting total powerstation monitoring building foundation pit or side slope, it is characterized in that: when adopting the distortion of total powerstation monitoring building foundation pit or side slope, bolt or reinforcing bar on pre-buried at the place, each monitoring point of monitored side slope or building foundation pit in advance, then on each bolt or reinforcing bar, fix one and adopt aluminium-foil paper, masking foil or thin aluminum sheet are as the monitoring reflection unit of reflecting surface, on as the aluminium film of reflecting surface or aluminium sheet, all be manufactured with the nemaline reflection kernel of cross, then adopt total powerstation to read the nemaline reflection kernel data of cross on the monitoring reflection unit reflecting surface, can monitor the side slope of building foundation pit or the distortion of foundation ditch by total powerstation like this.
2. the monitoring reflection unit of a building foundation pit or slope deforming, it is characterized in that: this monitoring reflection unit comprises base plate (1) and reflecting plate (2), base plate (1) and reflecting plate (2) connect into L shaped shape, be provided with bolt mounting holes (1.1) at base plate (1), be pasted with aluminium-foil paper, masking foil or thin aluminum sheet as reflecting surface (2.1) at reflecting plate (2), and in the center position portrayal as aluminium-foil paper, masking foil or the thin aluminum sheet of reflecting surface (2.1) the nemaline reflection kernel of cross (2.2) arranged.
3. the monitoring reflection unit of building foundation pit according to claim 2 or slope deforming, it is characterized in that: the angle of the angle (α) between the reflecting surface (2.1) of the bottom surface of base plate (1) and reflecting plate (2) is 60 °～80 °.
4. the monitoring reflection unit of building foundation pit according to claim 2 or slope deforming, it is characterized in that: the center line of the bolt mounting holes (1.1) of base plate (1) and the center line of the nemaline reflection kernel of cross (2.2) on the reflecting surface (2.1) are on same plane perpendicular to base plate (1) bottom surface, and the central point of the center line of bolt mounting holes (1.1) and the nemaline reflection kernel of cross (2.2) intersects.
5. the monitoring reflection unit of building foundation pit according to claim 2 or slope deforming is characterized in that: be provided with leg-of-mutton surveyor's beacon line (2.3) around, the reflecting surface (2.1) upper at reflecting plate (2).
6. the monitoring reflection unit of building foundation pit according to claim 2 or slope deforming is characterized in that: base plate (1) and reflecting plate (2) are aluminium sheet, iron plate, plank or plastic plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101163581A CN103376064A (en) | 2012-04-20 | 2012-04-20 | Building foundation ditch or side slope deformation monitoring method and building foundation ditch or side slope deformation monitoring reflection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101163581A CN103376064A (en) | 2012-04-20 | 2012-04-20 | Building foundation ditch or side slope deformation monitoring method and building foundation ditch or side slope deformation monitoring reflection device |
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| CN103376064A true CN103376064A (en) | 2013-10-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644850A (en) * | 2013-12-20 | 2014-03-19 | 招商局重庆交通科研设计院有限公司 | Soil slope surface displacement monitoring and safety early warning method |
| CN104179203A (en) * | 2014-07-22 | 2014-12-03 | 青岛理工大学 | Method for monitoring soil nail reinforcement for deep foundation pit |
| CN104358264A (en) * | 2014-11-13 | 2015-02-18 | 中国电建集团铁路建设有限公司 | Device for measuring tilting and deformation of foundation pit enclosure structure |
| CN109029320A (en) * | 2018-08-07 | 2018-12-18 | 安徽恒信建设工程管理有限公司 | A kind of foundation pit displacement automatic monitoring system |
| WO2021017871A1 (en) * | 2019-07-31 | 2021-02-04 | 青岛理工大学 | Micro steel pipe pile body displacement monitoring device and method |
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| CN102409703A (en) * | 2011-08-17 | 2012-04-11 | 北京交通大学 | Monitoring method for horizontal displacement of foundation pit pile top and monitoring device thereof |
| CN202533045U (en) * | 2012-04-20 | 2012-11-14 | 贵州中建建筑科研设计院有限公司 | Monitoring and reflecting device for building foundation pit or slope deformation |
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| JP2001304924A (en) * | 2000-04-27 | 2001-10-31 | Reideikku:Kk | Slope-collapse measuring apparatus and strain- distribution measuring method |
| CN201059959Y (en) * | 2007-07-05 | 2008-05-14 | 中国科学院武汉岩土力学研究所 | All-station instrument and photogrammetric survey deformation monitoring dual-purpose target |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644850A (en) * | 2013-12-20 | 2014-03-19 | 招商局重庆交通科研设计院有限公司 | Soil slope surface displacement monitoring and safety early warning method |
| CN104179203A (en) * | 2014-07-22 | 2014-12-03 | 青岛理工大学 | Method for monitoring soil nail reinforcement for deep foundation pit |
| CN104179203B (en) * | 2014-07-22 | 2016-08-17 | 青岛理工大学 | The monitoring method that deep foundation ditch soil nailed is reinforced |
| CN104358264A (en) * | 2014-11-13 | 2015-02-18 | 中国电建集团铁路建设有限公司 | Device for measuring tilting and deformation of foundation pit enclosure structure |
| CN109029320A (en) * | 2018-08-07 | 2018-12-18 | 安徽恒信建设工程管理有限公司 | A kind of foundation pit displacement automatic monitoring system |
| CN109029320B (en) * | 2018-08-07 | 2020-08-18 | 安徽恒信建设工程管理有限公司 | Foundation pit displacement automatic monitoring system |
| WO2021017871A1 (en) * | 2019-07-31 | 2021-02-04 | 青岛理工大学 | Micro steel pipe pile body displacement monitoring device and method |
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Application publication date: 20131030 |