CN109214099A - A kind of arch rib steel pipe location Calculation and construction method - Google Patents
A kind of arch rib steel pipe location Calculation and construction method Download PDFInfo
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- CN109214099A CN109214099A CN201811098199.0A CN201811098199A CN109214099A CN 109214099 A CN109214099 A CN 109214099A CN 201811098199 A CN201811098199 A CN 201811098199A CN 109214099 A CN109214099 A CN 109214099A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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Abstract
The invention discloses a kind of arch rib steel pipe location Calculation and construction methods, the seat calibration method and making software for calculating limit plate at each moulding bed are derived first, limit plate is made according to arch rib tilt angle, accurate adjustment limit Board position and welding and moulding bed, mark limit plate and arch rib steel pipe control point coordinates, single rib-lifting section is lifted according to control point position, the errorless rear next segment lifting construction of progress of single rib-lifting section positioning is checked, until completing arch rib installation.Using this location Calculation and construction method, conventional vertical is replaced with into vertical cross-section control in the oblique section of arch rib, compared to the difficulty that the control of former arch rib measuring point reduces measurement construction, the installation site of arch rib steel pipe can accurately be controlled by improving arch rib installation accuracy, substantially reduce the heavy-duty machineries such as loop wheel machine uses the time, the accurate adjustment construction operation for significantly reducing arch rib, reduces the security risk of construction, and accurately joining the two sections of a bridge, etc for arch rib and guaranteeing that design is linear plays a supportive role.
Description
Technical field
The invention belongs to technical field of bridge construction, and in particular to a kind of arch rib steel pipe location Calculation and construction method.
Background technique
The required precision of arch rib penstock installation is high, and lifting tonnage is big, is first will using main method when jig frame assembling construction
On rib-hoisting to moulding bed, after then measuring segment tail end section position progress coarse position, then it is gradually fine-tuning to design position.
This method needs survey crew repeatedly to measure arch rib measuring point, and especially circular arch measuring point is difficult to control, and working efficiency is low, and lifting is made
The industry time is long, and danger coefficient is larger, and is often difficult to reach the ideal effect of accurate adjustment.
Summary of the invention
In order to overcome in the prior art arch rib penstock installation be difficult to control, the technologies such as activity duration length, danger coefficient height it is scarce
Fall into, the present invention provides a kind of arch rib steel pipe location Calculation and construction method, pass through calculation method and write software to measuring point into
Row optimization, carries out accurate adjustment construction on moulding bed before lifting in advance, and that greatly shortens the heavy-duty machineries such as loop wheel machine uses the time, significantly
The accurate adjustment construction operation for reducing arch rib, reduces the security risk of construction, accurately joins the two sections of a bridge, etc for arch rib and guarantees to design linear branch
Support effect, solves above-mentioned technical problem.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of arch rib steel pipe location Calculation and construction method,
Including following construction procedure:
Step 1: the seat calibration method and making software for calculating limit plate at each moulding bed are derived, determines dumbbell shape arch rib correlometer
Calculate parameter, establishment arch rib steel pipe vertical section coordinate points B(1,2,3,4) and the calculating of vertical cross-section coordinate points S1, S2, K1, K2
Method works out the software of above-mentioned calculation method, calculates each arch rib steel pipe segment and is fixed on the coordinate B in moulding bed section and for multiple
Traditional measuring point coordinate S, K of core precision, export calculated result count the relevant control point coordinate of each segment to excel；
Step 2: limit plate, accurate adjustment limit Board position and welding and moulding bed are made according to arch rib tilt angle, according to step
Arch rib relevant parameter and calculated result in one determine the position of limit plate needed for arch rib, and according to corresponding tilt angle system
Make limit plate, it is tangent at the B of control point that guarantee is installed rear position margining plate and arch rib；
Step 3: label limit plate and arch rib steel pipe control point coordinates, arch rib steel pipe carry out determining corresponding B point position when preassembling
And significant label is made, respective markers are made at control point on adjusting accurate limit plate, intend the rib-lifting section both ends of lifting
Moulding bed on be both needed to by step 1 and step 2 installation limit plate；
Step 4: lifting single rib-lifting section according to control point position, is adjusted, will be encircleed according to the point position B when lifting arch rib steel pipe
The design position of as arch rib steel pipe after fin steel tube B1 point disposes mark point on corresponding limit plate 1, B2, B3, B4 similarly adjusts；
Step 5: the errorless rear next segment lifting construction of progress of single rib-lifting section positioning is checked, until completing arch rib installation, use
Conventional method measuring point S, K check arch rib steel pipe position, and arch rib steel pipe is then welded and fixed in error range and carries out next segment
Construction, if being more than error, it is only necessary to which fine tuning can reach required precision.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can achieve following has
Beneficial effect:
1, in arch rib steel pipe location Calculation and construction method of the present invention, the measurement of limit plate measuring point is convenient, by conventional vertical
Vertical cross-section control is replaced in the oblique section of arch rib, compared to the difficulty that the control of former arch rib measuring point reduces measurement construction, is mentioned
High arch rib installation accuracy；
2, the present invention has the foundation accurately calculated as construction operation, when greatly reducing lifting operation compared with traditional technology
Between, construction risk is reduced, construction speed is accelerated.
Detailed description of the invention
Specific embodiments of the present invention are further described in detail with reference to the accompanying drawing, in which:
Fig. 1 is that arch rib steel pipe coordinate calculates schematic diagram；
Fig. 2 is arch rib penstock installation schematic diagram；
Fig. 3 is B point coordinate software for calculation interface in a kind of arch rib steel pipe location Calculation and construction method of the present invention；
Fig. 4 is traditional measuring point S, K point coordinate software for calculation interface.
Specific embodiment
A kind of arch rib steel pipe location Calculation and construction method, the calculating and construction method the following steps are included:
Step 1: deriving the coordinate and making software for calculating limit plate at each moulding bed, as shown in Figure 1, being arch rib steel pipe coordinate
Calculate schematic diagram；
A, dumbbell shape arch rib relevant calculation parameter is determined；
B, work out arch rib steel pipe vertical section coordinate points B(1,2,3,4) and the calculating side of vertical cross-section coordinate points S1, S2, K1, K2
Method；
C, the software of above-mentioned calculation method is worked out；
D, calculate each arch rib steel pipe segment be fixed on the coordinate B in moulding bed section and traditional measuring point coordinate S for checking precision,
K is as shown in Figure 3 and Figure 4 B point coordinate software for calculation interface and traditional measuring point S, K point coordinate software for calculation interface；
E, export calculated result counts the relevant control point coordinate of each segment to excel；
S2: limit plate, the accurate position for adjusting limit plate and welding and moulding bed are made according to arch rib tilt angle, according to step S1
Middle arch rib relevant parameter and calculated result determine the position of limit plate needed for arch rib, and make according to corresponding tilt angle
Limit plate, it is tangent at the B of control point that guarantee is installed rear position margining plate and arch rib；
S3: label limit plate and arch rib steel pipe control point coordinates determine the corresponding point position B and make when arch rib steel pipe carries out preassembling
Significant label out, respective markers are made at control point on adjusting accurate limit plate, intend the tire at the rib-lifting section both ends of lifting
It is both needed on frame by installing limit plate described in S1, S2；
S4: lifting single rib-lifting section according to control point position, is adjusted when lifting arch rib steel pipe according to the point position B, by arch rib steel
The design position of as arch rib steel pipe after pipe B1 point disposes mark point on corresponding limit plate, B2, B3, B4 similarly adjusts, such as Fig. 2 institute
Show, is arch rib penstock installation schematic diagram；
S5: the errorless rear next segment lifting construction of progress of single rib-lifting section positioning is checked, until arch rib installation is completed, with tradition
Method measuring point S, K check arch rib steel pipe position, and arch rib steel pipe is then welded and fixed in error range and carries out next segmental construction；
If being more than error, need to only finely tune can reach required precision.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (1)
1. a kind of arch rib steel pipe location Calculation and construction method, it is characterised in that: the calculating and construction method the following steps are included:
S1: the coordinate and making software for calculating limit plate at each moulding bed are derived；
A, dumbbell shape arch rib relevant calculation parameter is determined；
B, work out arch rib steel pipe vertical section coordinate points B(1,2,3,4) and the calculating side of vertical cross-section coordinate points S1, S2, K1, K2
Method；
C, the software of above-mentioned calculation method is worked out；
D, calculate each arch rib steel pipe segment be fixed on the coordinate B in moulding bed section and traditional measuring point coordinate S for checking precision,
K；
E, export calculated result counts the relevant control point coordinate of each segment to excel；
S2: limit plate, the accurate position for adjusting limit plate and welding and moulding bed are made according to arch rib tilt angle, according to step S1
Middle arch rib relevant parameter and calculated result determine the position of limit plate needed for arch rib, and make according to corresponding tilt angle
Limit plate, it is tangent at the B of control point that guarantee is installed rear position margining plate and arch rib；
S3: label limit plate and arch rib steel pipe control point coordinates determine the corresponding point position B and make when arch rib steel pipe carries out preassembling
Significant label out, respective markers are made at control point on adjusting accurate limit plate, intend the tire at the rib-lifting section both ends of lifting
It is both needed on frame by installing limit plate described in S1, S2；
S4: lifting single rib-lifting section according to control point position, is adjusted when lifting arch rib steel pipe according to the point position B, by arch rib steel
The design position of as arch rib steel pipe after pipe B1 point disposes mark point on corresponding limit plate, B2, B3, B4 similarly adjusts；
S5: the errorless rear next segment lifting construction of progress of single rib-lifting section positioning is checked, until arch rib installation is completed, with tradition
Method measuring point S, K check arch rib steel pipe position, and arch rib steel pipe is then welded and fixed in error range and carries out next segmental construction；
If being more than error, need to only finely tune can reach required precision.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811098199.0A CN109214099B (en) | 2018-09-20 | 2018-09-20 | Arch rib steel pipe positioning and construction method |
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| CN201811098199.0A CN109214099B (en) | 2018-09-20 | 2018-09-20 | Arch rib steel pipe positioning and construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130226A (en) * | 2019-05-08 | 2019-08-16 | 中铁六局集团有限公司 | The construction method of the positioning of bowstring arch bridge rib-hoisting and absolute altitude control |
| CN112211106A (en) * | 2020-10-29 | 2021-01-12 | 中铁四局集团第一工程有限公司 | Method for installing prefabricated bent cap of viaduct |
| CN114438899A (en) * | 2022-02-28 | 2022-05-06 | 中铁大桥科学研究院有限公司 | Linear control method of hexagonal basket arch |
| CN115233549A (en) * | 2022-07-01 | 2022-10-25 | 广东省水利水电第三工程局有限公司 | Arch rib positioning construction method based on measuring robot |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130226A (en) * | 2019-05-08 | 2019-08-16 | 中铁六局集团有限公司 | The construction method of the positioning of bowstring arch bridge rib-hoisting and absolute altitude control |
| CN112211106A (en) * | 2020-10-29 | 2021-01-12 | 中铁四局集团第一工程有限公司 | Method for installing prefabricated bent cap of viaduct |
| CN114438899A (en) * | 2022-02-28 | 2022-05-06 | 中铁大桥科学研究院有限公司 | Linear control method of hexagonal basket arch |
| CN115233549A (en) * | 2022-07-01 | 2022-10-25 | 广东省水利水电第三工程局有限公司 | Arch rib positioning construction method based on measuring robot |
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