CN116677211A - Construction method for accurately paying off building facades - Google Patents
Construction method for accurately paying off building facades Download PDFInfo
- Publication number
- CN116677211A CN116677211A CN202310660705.5A CN202310660705A CN116677211A CN 116677211 A CN116677211 A CN 116677211A CN 202310660705 A CN202310660705 A CN 202310660705A CN 116677211 A CN116677211 A CN 116677211A
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- building
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- theodolite
- measuring
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000005259 measurement Methods 0.000 claims description 9
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
- G01C1/02—Theodolites
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a construction method for accurately paying off a building elevation, and relates to the technical field of building construction. The construction method for accurately paying off the building facade is characterized by comprising the following steps of: the specific operation is as follows: step one: determining an instrument frame setting point, point O, at the leftmost (or rightmost) side of the building from the building LOA length; step two: building lengths LAC and LA 'C' measured by drawings; step three: erecting a theodolite at a point O; step four: and measuring the angle AOC by using a theodolite. The construction method for accurately paying off the building facade solves the problem of how to accurately loft the building facade by replacing the building facade with the theodolite under the condition of no total station or GPS measuring instrument to a certain extent, and can accurately loft curves and various complex lines on the facade through a large amount of lofting.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method for accurately paying off a building elevation.
Background
The measuring paying-off is an important link in engineering construction, although the existing design drawing has accurate positioning dimensions on modeling decoration and the like on the outer facade of a building, a measurer can utilize a total station or GPS to rapidly pay-off control points, but the paying-off instrument is inconvenient in paying-off by placing a prism or a mobile station by the measurer, a plurality of special modeling curves and the like can be accurately positioned by needing a large amount of paying-off operation, the difficulty of measuring paying-off is greatly increased, the total station and the GPS can carry out lofting only by needing accurate coordinate control points, and no coordinate control points exist under a plurality of special construction environments, so that the measuring lofting cannot be carried out smoothly.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a construction method for accurately paying off a building facade, which solves the problems that although the existing design drawing has accurate positioning size on modeling decoration and the like on the building facade, a measurer can rapidly pay off a control point by using a total station or a GPS, but paying off is carried out by using the paying off instrument through placing a prism or a mobile station by using the measurer, so that the paying off can be accurately positioned by a large number of paying off operations such as special modeling curves and the like, the difficulty of measuring paying off is greatly increased, the total station and the GPS can be used for lofting only by accurate coordinate control points, and the measuring lofting cannot be carried out smoothly under the special construction environment without the coordinate control points.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the construction method for accurately paying off the building facade comprises the following specific operations:
step one: determining an instrument frame setting point, namely a point O, on the leftmost side or the rightmost side of the building, which is far away from the LOA of the building;
step two: building lengths LAC and LA 'C' measured by drawings;
step three: erecting a theodolite at a point O;
step four: measuring the angle AOC by using a theodolite;
step five: measuring the length of LAB through a drawing, and calculating the horizontal included angle AOB between the measuring point B and the building;
step six: horizontal laser projection is carried out on the building after the theodolite is leveled, the positive zero distance and the negative zero distance between the point A ' and the window or the distance are measured, and the length of LA ' C ' is calculated by combining with a drawing
Step seven: measurement of the angle A ' OC ' by theodolite '
Step seven: the length of LA ' B ' is measured through a drawing, and the horizontal included angle A ' OB ' between the measuring point B ' and the building is calculated;
step eight: measuring and lofting the angle AOB and the angle A 'OB' through a theodolite, and projecting the angle AOB and the angle A 'OB' on a building elevation by using a laser line with the through length;
step nine: and (5) carrying out point lofting on the building elevation through the projected laser line.
Preferably, the points a, B, C, O, a ', B ', and C ' are all opposite points, and may be modified according to the site reasons in actual operation, for example, when determining the point a, it is not necessary to specifically determine that the OA is perpendicular to the building only for the leftmost side or the rightmost side of the building, and the points a ', C, and C ' are all opposite points, but not absolute points.
(III) beneficial effects
The invention provides a construction method for accurately paying off a building elevation. The beneficial effects are as follows:
according to the construction method for accurately paying off the building facade, the problem of how to accurately loft the building facade by replacing the building facade with the theodolite under the condition that a total station or a GPS measuring instrument is not provided is solved to a certain extent, and curve lofting and lofting of various complex lines can be accurately performed on the facade through a large amount of lofting, so that the operation is simple, and the instrument measurement with higher difficulty is not needed; time is saved, a large amount of angle calculation work can be replaced by a computer, and angle lofting is only needed during measurement; the practicality is strong, and the angle can be calculated by combining drawing known data with field measurement data, and a specific coordinate control point is not needed.
Drawings
FIG. 1 is a schematic view of the horizontal angles of a paying-off method for accurately lofting a building facade according to the present invention;
fig. 2 is a schematic diagram of vertical angles of a paying-off method for accurately lofting a building facade according to the present invention.
In the figure: the point O is an instrument frame setting point, the point A is a point on the leftmost (or leftmost) wall of the building, the point B is a projection point in the vertical direction of the line to be measured, and the point C is a point on the rightmost (or leftmost) wall of the building; the point A ' is a point on the vertical surface of the building where the horizontal laser line is projected after the instrument erection is completed, the point B ' is a projection point in the horizontal direction where the line is required to be measured and the point C ' is a point on the roof edge of the building.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the present invention provides a technical solution: the construction method for accurately paying off the building facade comprises the following specific operations:
step one: determining an instrument frame setting point, namely a point O, on the leftmost side or the rightmost side of the building, which is far away from the LOA of the building;
step two: building lengths LAC and LA 'C' measured by drawings;
step three: erecting a theodolite at a point O;
step four: measuring the angle AOC by using a theodolite;
step five: measuring the length of LAB through a drawing, and calculating the horizontal included angle AOB between the measuring point B and the building;
step six: horizontal laser projection is carried out on the building after the theodolite is leveled, the positive zero distance and the negative zero distance between the point A ' and the window or the distance are measured, and the length of LA ' C ' is calculated by combining with a drawing
Step seven: measurement of the angle A ' OC ' by theodolite '
Step seven: the length of LA ' B ' is measured through a drawing, and the horizontal included angle A ' OB ' between the measuring point B ' and the building is calculated;
step eight: measuring and lofting the angle AOB and the angle A 'OB' through a theodolite, and projecting the angle AOB and the angle A 'OB' on a building elevation by using a laser line with the through length;
step nine: and (5) carrying out point lofting on the building elevation through the projected laser line.
The points A, B, C, O, A ', B ', C ' are all opposite points, and can be modified according to site reasons in actual operation, for example, when the point A is determined, the point A is not required to be specified to be the leftmost side or the rightmost side of a building, the OA is only required to be controlled to be perpendicular to the building, and the points A ', C and C ' are all opposite points and are not absolute points.
Computer book
The specific calculation steps of the calculation book content of the angle AOB and the angle A 'OB' need to refer to a first diagram and a second diagram, and the calculation content is as follows:
horizontal included angle AOB calculation:
LAB, LAC, and AOC are known
Because tan +.aoc=lac/LOA
So loa=lac/tan +.aoc
Because tan. Angle AOB=LAB/LOA
So tan. Angle AOB = LAB/(LAC/tan. Angle AOC)
Deriving +.AOB=arctan (LAB/(LAC/tan. Sub. AOC))
Similarly, calculating a vertical included angle A 'OB':
known as LA ' B ', LA ' C ' '
Because tan +.a ' OC ' =la ' C '/LOA '
So LOA ' =la ' C '/tan +.a ' OC '
Because tan +.a ' OB ' =la ' B '/LOA '
Therefore tan +.a 'OB' =la 'B'/(LA 'C'/tan +.a 'OC')
To obtain +.A 'OB' =arctan (LA 'B'/(LA 'C'/tan. Sub.A 'OC')).
In summary, the construction method for accurately paying off the building facade solves the problem of how to accurately loft the building facade by using the theodolite instead of the theodolite under the condition of no total station or GPS measuring instrument to a certain extent, and can accurately loft curves and various complex lines on the facade through a large amount of lofting, and has simple operation and no need of high-difficulty instrument measurement; time is saved, a large amount of angle calculation work can be replaced by a computer, and angle lofting is only needed during measurement; the practicality is strong, and the angle can be calculated by combining drawing known data with field measurement data, and a specific coordinate control point is not needed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The construction method for accurately paying off the building facade is characterized by comprising the following steps of: the specific operation is as follows:
step one: determining an instrument frame setting point, namely a point O, on the leftmost side or the rightmost side of the building, which is far away from the LOA of the building;
step two: building lengths LAC and LA 'C' measured by drawings;
step three: erecting a theodolite at a point O;
step four: measuring the angle AOC by using a theodolite;
step five: measuring the length of LAB through a drawing, and calculating the horizontal included angle AOB between the measuring point B and the building;
step six: horizontal laser projection is carried out on the building after the theodolite is leveled, the positive zero distance and the negative zero distance between the point A ' and the window or the distance are measured, and the length of LA ' C ' is calculated by combining with a drawing
Step seven: measurement of the angle A ' OC ' by theodolite '
Step seven: the length of LA ' B ' is measured through a drawing, and the horizontal included angle A ' OB ' between the measuring point B ' and the building is calculated;
step eight: measuring and lofting the angle AOB and the angle A 'OB' through a theodolite, and projecting the angle AOB and the angle A 'OB' on a building elevation by using a laser line with the through length;
step nine: and (5) carrying out point lofting on the building elevation through the projected laser line.
2. The construction method for accurately paying off a building facade according to claim 1, wherein the construction method comprises the following steps: the points A, B, C, O, A ', B ', C ' are all opposite points, and can be modified according to site reasons in actual operation, for example, when the point A is determined, the point A is not required to be specified to be the leftmost side or the rightmost side of a building, the OA is only required to be controlled to be perpendicular to the building, and the points A ', C and C ' are all opposite points and are not absolute points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310660705.5A CN116677211B (en) | 2023-06-06 | Construction method for accurately paying off building facades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310660705.5A CN116677211B (en) | 2023-06-06 | Construction method for accurately paying off building facades |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116677211A true CN116677211A (en) | 2023-09-01 |
| CN116677211B CN116677211B (en) | 2024-06-21 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120323534A1 (en) * | 2011-06-15 | 2012-12-20 | Kent Kahle | Method of placing a total station in a building |
| CN103256906A (en) * | 2013-04-10 | 2013-08-21 | 北京林业大学 | Precise calculation method for electronic theodolite stumpage timber volume |
| RU2509288C1 (en) * | 2012-10-08 | 2014-03-10 | Федеральное государственное бюджетное учреждение "ВЫСОКОГОРНЫЙ ГЕОФИЗИЧЕСКИЙ ИНСТИТУТ" (ФГБУ ВГИ) | Method for remote determination of gradient of slope at control points of avalanche site using laser range finder |
| CN211740219U (en) * | 2020-03-28 | 2020-10-23 | 山西四建集团有限公司 | Pay-off device for measuring fan-shaped structure by matching CAD software with theodolite |
| CN111982088A (en) * | 2020-07-30 | 2020-11-24 | 上海市机电设计研究院有限公司 | Method for measuring perpendicularity of precast concrete tower barrel |
| CN114353763A (en) * | 2021-11-23 | 2022-04-15 | 国网浙江省电力有限公司台州供电公司 | Overhead transmission conductor sag observation method based on total station |
| CN114856221A (en) * | 2022-04-25 | 2022-08-05 | 中建科工集团武汉有限公司 | Construction method for controlling and measuring building |
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120323534A1 (en) * | 2011-06-15 | 2012-12-20 | Kent Kahle | Method of placing a total station in a building |
| RU2509288C1 (en) * | 2012-10-08 | 2014-03-10 | Федеральное государственное бюджетное учреждение "ВЫСОКОГОРНЫЙ ГЕОФИЗИЧЕСКИЙ ИНСТИТУТ" (ФГБУ ВГИ) | Method for remote determination of gradient of slope at control points of avalanche site using laser range finder |
| CN103256906A (en) * | 2013-04-10 | 2013-08-21 | 北京林业大学 | Precise calculation method for electronic theodolite stumpage timber volume |
| CN211740219U (en) * | 2020-03-28 | 2020-10-23 | 山西四建集团有限公司 | Pay-off device for measuring fan-shaped structure by matching CAD software with theodolite |
| CN111982088A (en) * | 2020-07-30 | 2020-11-24 | 上海市机电设计研究院有限公司 | Method for measuring perpendicularity of precast concrete tower barrel |
| CN114353763A (en) * | 2021-11-23 | 2022-04-15 | 国网浙江省电力有限公司台州供电公司 | Overhead transmission conductor sag observation method based on total station |
| CN114856221A (en) * | 2022-04-25 | 2022-08-05 | 中建科工集团武汉有限公司 | Construction method for controlling and measuring building |
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