CN101598547B - Method for measuring mounting inclination angle of one-side-inclined structure - Google Patents
Method for measuring mounting inclination angle of one-side-inclined structure Download PDFInfo
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- CN101598547B CN101598547B CN2009101581468A CN200910158146A CN101598547B CN 101598547 B CN101598547 B CN 101598547B CN 2009101581468 A CN2009101581468 A CN 2009101581468A CN 200910158146 A CN200910158146 A CN 200910158146A CN 101598547 B CN101598547 B CN 101598547B
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Abstract
The invention relates to a method for measuring the mounting inclination angle of a one-side-inclined structure, which comprises the following steps: on the one-side-inclined structure with a wider inclined plane, drawing a measurement auxiliary line by using the structural center line and designing an included angle according to plotting paper, and marking out the auxiliary line with a red triangle; on the one-side-inclined structure with a lathy structure and a smaller inclined plane, welding an auxiliary measuring steel plate close to the top of the structure or the interface part, drawing a measurement auxiliary line, and marking out the auxiliary line with a red triangle; according to the measurement auxiliary line drawn on the inclined plane of the structure, calculating the actual distance between the auxiliary line and a basic cross center line, and projecting a measuring point on the ground; projecting a measuring point of the central axial line in a structural perpendicularity direction on the ground by a measuring line in the structural perpendicularity direction according to the basic cross center line; and using two theodolites to perform bidirectional measurement and control, wherein the perpendicularity is measured and controlled on one side, while the inclination angle is measured and controlled on the other side, and the theodolites are erected on the ground projection points to adjust the structure so that the measurement auxiliary lines are superposed with the cross curves of the bidirectional theodolites. The method can effectively reduce the deviation and improve the accuracy of the inclination angle.
Description
Technical field
The present invention relates to the installation method of construction work medium dip structure, particularly a kind of method for measuring mounting inclination angle of one-side-inclined structure.
Background technology
The dip plane broad is arranged, the single hop or the multistage one-side-inclined structure of form such as the elongated and dip plane of structure is less, structure is installed on the concrete foundation, structure becomes the unidirectional inclination elevation angle with the level ground, the structure installation accuracy is had relatively high expectations, its main difficult point is that the structure inclination elevation angle can't utilize version directly to measure when mounted, in one-side-inclined structure is installed in the past, the transits that adopt are controlled its verticality more, the general method control angle that adopts messenger wire to weigh down is detected at the pitch angle, this kind method is subjected to such environmental effects bigger, the angle of inclination is difficult to control, and deviate is bigger.
Summary of the invention
The present invention is for solving the unmanageable defective of mounting inclination angle of one-side-inclined structure in the prior art, a kind of method for measuring mounting inclination angle of one-side-inclined structure that can effectively reduce deviation, improve the pitch angle precision being provided.
Realize the foregoing invention purpose by the following technical solutions: a kind of method for measuring mounting inclination angle of one-side-inclined structure, carry out according to the following steps:
(1) one-side-inclined structure of dip plane broad utilizes the structure centre line according to the drawing design angle measurement boost line of drawing, and marks with red triangle is clear; Or the one-side-inclined structure that structure is elongated and the dip plane is less, near structural top or interface welding subsidiary steel plate, the measurement boost line of drawing, and mark with red triangle is clear;
(2) according to the measurement boost line of on the structure dip plane, drawing, calculate the actual range of this measurement boost line and basic cross centre line, draw the throwing measurement point on the ground;
(3) the verticality orientation measurement line of structure is according to basic cross centre line, and the central axis of this direction is drawn the throwing measurement point on the ground;
(4) with the control of two transit bidirectional measurements, a side is measured control verticality is installed, and opposite side is measured the control structure pitch angle, and the transit frame stands in ground and draws on the cultellation, adjusts structure in the installation process and makes and measure boost line and two-way transit cross curve coincides.
Compared with prior art, the inventive method construction is simple, easy to operate, can effectively control the verticality of one-side-inclined structure installation and the deviation at the inclination elevation angle, guarantee the precision that the structure mounting inclination angle is measured, increase work efficiency, other composed structures or multidirectional incline structure are measured control can use for reference use.
Description of drawings
Fig. 1 is the one-side-inclined structure synoptic diagram.
Fig. 2 measures boost line for the one-side-inclined structure of dip plane broad synoptic diagram is set.
Fig. 3 measures boost line for the one-side-inclined structure that structure is elongated and the dip plane is less synoptic diagram is set.
Fig. 4 draws throwing measurement point synoptic diagram for ground.
Fig. 5 is that the one-side-inclined structure of dip plane broad is measured the control synoptic diagram.
Fig. 6 is that the one-side-inclined structure that structure is elongated and the dip plane is less is measured the control synoptic diagram.
Among the figure: the one-side-inclined structure 1 of dip plane broad, the one-side-inclined structure 2 that structure is elongated and the dip plane is less, the one-sided inclination elevation angle 3, concrete foundation 4 is measured boost line 5, red triangle 6, structure centre line 7, design angle 8, subsidiary steel plate 9 draws and throws measurement point 10, computed range 11, basis cross central axis 12, transit 13, transit 14.
Embodiment:
Below in conjunction with drawings and Examples in detail the present invention is described in detail.
Referring to Fig. 1, in the present embodiment, structure is a steel construction, and the one-side-inclined structure that one-side-inclined structure 1, structure are elongated and the dip plane is less 2 of dip plane broad is arranged, and one-side-inclined structure is bearing on the concrete foundation 4, becomes the one-sided inclination elevation angle 3 with the level ground.
Present embodiment carries out according to the following steps:
(1) to the one-side-inclined structure 1 of dip plane broad, before structure is installed, being fit to the position according to design angle 8 and structure centre line 7 on structural plane draws to the top from the bottom and measures boost line 5, measure boost line 5 perpendicular to the level ground, after measurement boost line 5 is drawn, adopt red triangle 6 clear marking, as shown in Figure 2.
(2) to the less one-side-inclined structure 2 of slim-lined construction and dip plane, adopt welding subsidiary steel plate 9 to draw and measure boost line 5, subsidiary steel plate 9 welds on the center line that should try one's best near structural top or interface, the steel plate specification can be set to about 300mm, steel plate welding finish the back according to the one-sided inclination elevation angle 3 and structure centre line 7 on subsidiary steel plate 9 perpendicular to the level ground measurement boost line 5 of drawing, and adopt red triangle 6 clear marking, as shown in Figure 3.
(3) calculate computed range 11 according to the measurement boost line 5 that structurally is provided with apart from basic cross central axis 12, adopt transit to draw on the ground according to computed range 11 and basic cross central axis 12 and throw measurement point 10, draw to throw and to guarantee to measure intervisibility when measurement point 10 draws throwing, clear, draw 10 settings of throwing measurement point and should not be less than 2 points, and it is provided with the position will consider upright operating space and the visuality of subsequent handling surveying instrument frame by the working-yard physical condition, as shown in Figure 4.
(4) slotted line of structure verticality direction adopts transit that the central axis of this direction is drawn throwing measurement point 10 on the ground according to basic cross central axis 12, draw to throw and to guarantee to measure intervisibility when measurement point 10 draws throwing, clear, draw 10 settings of throwing measurement point and should not be less than 2 points, and it is provided with the position will consider upright operating space and the visuality of subsequent handling surveying instrument frame by the working-yard physical condition, as shown in Figure 4.
(5) adopt two transit bidirectional measurements to control the installation of one-side-inclined structures simultaneously, transit 13 is measured the control structure inclination elevation angle, transit 14 is measured control structure verticality is installed, 13 in transit stands in the ground of measuring boost line 5 sides and draws on the throwing measurement point 10,14 in transit stands in the ground of central axis and draws on the throwing measurement point, the upright good back of transit frame is adopted another to draw and is thrown the observed ray that measurement point 10 is adjusted transit, while observing theodolite 13 when structure is installed, 14, and adjust structure structural measurement boost line 5 and structure centre line 7 are coincided with the cross curve of transit 13 and transit 14 respectively, to reach the control requirement is installed, as 5, shown in 6.
Claims (1)
1. method for measuring mounting inclination angle of one-side-inclined structure, carry out according to the following steps:
(1) one-side-inclined structure of dip plane broad utilizes the structure centre line according to the drawing design angle measurement boost line of drawing, and marks with red triangle is clear; Or the one-side-inclined structure that structure is elongated and the dip plane is less, near structural top or interface welding subsidiary steel plate, the measurement boost line of drawing, and mark with red triangle is clear;
(2) according to the measurement boost line of on the structure dip plane, drawing, calculate the actual range of this measurement boost line and basic cross centre line, draw the throwing measurement point on the ground;
(3) the verticality orientation measurement line of structure is according to basic cross centre line, and the central axis of this direction is drawn the throwing measurement point on the ground;
(4) with the control of two transit bidirectional measurements, a side is measured control verticality is installed, and opposite side is measured the control structure pitch angle, and the transit frame stands in ground and draws on the cultellation, adjusts structure in the installation process and makes and measure boost line and two-way transit cross curve coincides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101581468A CN101598547B (en) | 2009-07-13 | 2009-07-13 | Method for measuring mounting inclination angle of one-side-inclined structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101581468A CN101598547B (en) | 2009-07-13 | 2009-07-13 | Method for measuring mounting inclination angle of one-side-inclined structure |
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| Publication Number | Publication Date |
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| CN101598547A CN101598547A (en) | 2009-12-09 |
| CN101598547B true CN101598547B (en) | 2011-02-16 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915567B (en) * | 2010-07-30 | 2012-07-25 | 陕西建工集团机械施工有限公司 | Method for measuring and positioning inclined structure of high-rise building |
| CN102486372A (en) * | 2010-12-06 | 2012-06-06 | 上海宝钢工业检测公司 | Theodolite-based large-scale spherical tank pillar verticality on-line accurate measurement method |
| CN103453886A (en) * | 2013-07-30 | 2013-12-18 | 贵州中建建筑科研设计院有限公司 | Method for measuring perpendicularity of untouchable measuring point of existing building |
| CN104280020A (en) * | 2014-10-25 | 2015-01-14 | 中国二十二冶集团有限公司 | Method for measuring perpendicularity of vertical building |
| CN105865418B (en) * | 2016-05-27 | 2018-04-06 | 厦门精图信息技术有限公司 | A kind of intelligent building inclination detection prior-warning device and detection method |
| CN109140044B (en) * | 2018-08-06 | 2021-04-20 | 华业钢构核电装备有限公司 | Construction method of four-way ventilation air cooling pipeline |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2125816U (en) * | 1992-04-14 | 1992-12-23 | 罗光志 | Sag gauge |
| CN2295987Y (en) * | 1997-06-27 | 1998-10-28 | 吴建奇 | Vertical and horizontal instrument for constructioning |
| CN2738204Y (en) * | 2005-03-10 | 2005-11-02 | 高国伟 | Tilt angle measuring apparatus |
-
2009
- 2009-07-13 CN CN2009101581468A patent/CN101598547B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2125816U (en) * | 1992-04-14 | 1992-12-23 | 罗光志 | Sag gauge |
| CN2295987Y (en) * | 1997-06-27 | 1998-10-28 | 吴建奇 | Vertical and horizontal instrument for constructioning |
| CN2738204Y (en) * | 2005-03-10 | 2005-11-02 | 高国伟 | Tilt angle measuring apparatus |
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| CN101598547A (en) | 2009-12-09 |
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Effective date of registration: 20190801 Address after: 063000 No. 16 Happy Road, Fengrun District, Tangshan City, Hebei Province Patentee after: China MCC 22 Group Corp., Ltd. Address before: 064000 Hebei province Fengrun District No. 16 Tangshan City road of happiness Patentee before: MCC Jingtang Construction Co., Ltd. |
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