CN111337000B - Rotating curved surface building construction measurement lofting method - Google Patents
Rotating curved surface building construction measurement lofting method Download PDFInfo
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- CN111337000B CN111337000B CN202010280141.9A CN202010280141A CN111337000B CN 111337000 B CN111337000 B CN 111337000B CN 202010280141 A CN202010280141 A CN 202010280141A CN 111337000 B CN111337000 B CN 111337000B
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- lofting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
- G01C15/006—Detectors therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/02—Means for marking measuring points
- G01C15/06—Surveyors' staffs; Movable markers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/10—Plumb lines
- G01C15/105—Optical plumbing
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to a rotating curved surface building construction measurement lofting method, which comprises a laser plummet measurement lofting technology, a computer drawing technology and an electronic total station measurement lofting technology, and is characterized in that a laser plummet is used for carrying out floor-to-floor vertical transmission on plane coordinates in a building, and data are transmitted to a computer; calculating and drawing angles between different construction floors and a reference floor by using a computer, converting and determining coordinates of a permanent control point on the construction floor, determining a known control point of the construction floor and feeding back the control point to the electronic total station; the electronic total station is used for measuring and lofting construction floors, the control axis is marked, detail lofting is completed through the control axis, the problem that lofting of curved surface buildings is difficult is solved, construction is convenient, labor and time are saved, measurement accuracy is high, and construction progress is accelerated.
Description
Technical Field
The invention relates to the technical field of civil engineering construction measurement lofting, in particular to a rotary curved surface building construction measurement lofting method.
Background
With the development of engineering construction, the level of engineering construction is increasing year by year. In order to show the originality and perfect conception of the architectural style, the rotary curved surface building is produced by continuous innovation and change in the aspects of planar layout, form composition, artistic treatment, technique application and the like of the building. The measurement lofting is a foundation of construction, the traditional super high-rise measurement lofting mainly utilizes a measurement hole to conduct known point vertical conduction, form a control net and conduct detail lofting, and the measurement lofting directly used for the rotating curved surface building has the following defects:
1) because the floors rotate, the axis coordinate point data of each layer of lofting drawing needs to be recalculated, and the workload is large;
2) the total station needs to be replaced with coordinate data again every time of lofting, and the operation time is long;
3) the position of each layer of the measuring hole is different, the control point is constantly changed, and the error is large.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention solves the technical problem of providing a rotating curved surface building construction measurement lofting method, which realizes the rotating curved surface building construction measurement lofting by setting a permanent control point and comprehensively utilizing a laser plummet measurement lofting technology, a computer drawing technology and an electronic total station measurement lofting technology, can solve the problem of difficult lofting of a curved surface building, is convenient to construct, saves labor, time and labor, has high measurement precision and accelerates the construction progress.
In order to achieve the purpose, the invention adopts the following technical scheme:
a rotating surface building construction survey lofting method comprises a laser plummet survey lofting technology, a computer drawing technology and an electronic total station survey lofting technology, and comprises a coordinate lofting method and an angle lofting method, and is characterized in that the laser plummet is used for carrying out floor-to-floor vertical transmission on plane coordinates in a building, and data are transmitted to a computer; calculating and drawing angles between different construction floors and a reference floor by using a computer, converting and determining coordinates of a permanent control point on the construction floor, determining a known control point of the construction floor and feeding back the control point to the electronic total station; the construction floor measurement lofting method comprises the following steps of applying an electronic total station to measure and loft a construction floor, marking a control axis, and completing detail lofting through the control axis:
1) establishing a plant area control network according to the municipal control network;
2) building control coordinate system is established according to the factory control network;
3) setting a permanent control point in a building control coordinate system according to a construction drawing;
4) measuring the plane coordinates in the building by using a laser plummet, and transmitting data to a computer;
5) calculating and drawing an angle between a construction floor and a reference floor by using a computer, converting and determining coordinates of a permanent control point on the construction floor, determining a known control point of the construction floor and feeding back the control point to the electronic total station;
6) building a floor coordinate system and lofting axis control points by using a total station and applying a rear intersection method through known control points of a construction floor;
7) connecting the axis control points which finish lofting to form a construction floor control network, and finishing detail lofting through the construction floor control network;
8) and repeating the steps 4) -7) to finish the measurement lofting of the whole building.
The permanent coordinate point is set according to the factory control network and the construction requirement and the building structure form, and the measurement and the setting requirements must be met.
The plane coordinate data of the permanent coordinate points on different construction floors are different.
The building standard floor coordinate system changes according to the change of the rotation angle of the floor.
And setting positions and quantity of the lofting points according to construction requirements.
Compared with the prior art, the invention has the beneficial effects that:
1) the standard layer lofting drawing and the coordinate data of the axis control point are unchanged, so that the workload of drawing calculation can be reduced;
2) the data of the measurement set point is unchanged, and the coordinate data does not need to be changed again for the total station after one-time input, so that the measurement lofting time is reduced, and the construction progress is accelerated;
3) the control point is vertically conducted and is directly transmitted from the permanent control point every time, so that the intermediate transmission process is reduced, and the precision is high.
Drawings
FIG. 1 is a schematic illustration of the angle of rotation of a building according to the present invention;
FIG. 2 is a lofting view of a standard floor of a building of the present invention;
fig. 3 is a graph of coordinate point data generated by floor rotation for the permanent coordinate point B, C, D of the present invention.
In the figure: A. b, C, D permanent control points A1, B1, C1, D1 known coordinate points N-abscissa E-ordinate
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1-3, the rotary curved surface building construction survey lofting method related by the invention comprises a laser plummet survey lofting technology, a computer drawing technology and an electronic total station survey lofting technology (including a coordinate lofting method and an angle lofting method), wherein a laser plummet is used for measuring the plane coordinates in a building, and data are transmitted to a computer; calculating and drawing angles between different construction floors and a reference floor by using a computer, converting and determining coordinates of a permanent control point on the construction floor, determining a known control point of the construction floor and feeding back the control point to the electronic total station; the construction floor measurement lofting method comprises the following steps of applying an electronic total station to measure and loft a construction floor, marking a control axis, and completing detail lofting through the control axis:
1) establishing a plant area control network according to the municipal control network;
2) building control coordinate system is established according to the factory control network;
3) a, B, C, D is set as a permanent control point in a building control coordinate system according to a construction drawing;
4) using a laser plummet to guide the permanent control point A, B, C, D plane position to the construction floor;
5) drawing and calculating A, B, C, D coordinates A1, B1, C1 and D1 of the permanent control point in the construction floor control coordinate system through computer drawing software according to the floor rotation angle;
6) establishing a coordinate system through coordinate point data of known control points A1, B1, C1 and D1 of a construction floor, and measuring a horizontal (N) vertical (E) coordinate intersection point (a measuring point) in a lofting coordinate system by using an electronic total station;
7) connecting the axis control points which finish lofting to form a construction floor control network, and finishing detail lofting through the construction floor control network;
8) and repeating the steps 4) -7) to finish the measurement lofting of the whole building.
Claims (3)
1. A rotating surface building construction survey lofting method comprises a laser plummet survey lofting technology, a computer drawing technology and an electronic total station survey lofting technology, wherein the electronic total station survey lofting technology comprises a coordinate lofting method and an angle lofting method, and is characterized in that the laser plummet is used for carrying out inter-floor vertical transmission on plane coordinates in a building, and data are transmitted to a computer; calculating and drawing angles between different construction floors and a reference floor by using a computer, converting and determining coordinates of a permanent control point on the construction floor, determining a known control point of the construction floor and feeding back the control point to the electronic total station; the construction floor measurement lofting method comprises the following steps of applying an electronic total station to measure and loft a construction floor, marking a control axis, and completing detail lofting through the control axis:
1) establishing a plant area control network according to the municipal control network;
2) building control coordinate system is established according to the factory control network;
3) setting a permanent control point in a building control coordinate system according to a construction drawing;
4) measuring the plane coordinates in the building by using a laser plummet, and transmitting data to a computer;
5) calculating and drawing an angle between a construction floor and a reference floor by using a computer, converting and determining coordinates of a permanent control point on the construction floor, determining a known control point of the construction floor and feeding back the control point to the electronic total station;
6) building a floor coordinate system and lofting axis control points by using a total station and applying a rear intersection method through known control points of a construction floor;
7) connecting the axis control points which finish lofting to form a construction floor control network, and finishing detail lofting through the construction floor control network;
8) and repeating the steps 4) -7) to finish the measurement lofting of the whole building.
2. The rotating surface building construction measurement lofting method according to claim 1, wherein the permanent coordinate points are set according to construction requirements and building structure forms according to a factory control network.
3. The method of claim 1, wherein the permanent coordinate points have different plane coordinate data at different construction floors.
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| CN202010280141.9A CN111337000B (en) | 2020-04-10 | 2020-04-10 | Rotating curved surface building construction measurement lofting method |
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| CN202010280141.9A CN111337000B (en) | 2020-04-10 | 2020-04-10 | Rotating curved surface building construction measurement lofting method |
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| CN111337000A CN111337000A (en) | 2020-06-26 |
| CN111337000B true CN111337000B (en) | 2021-11-30 |
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