CN106436784A - Laying-off method for high-speed railway steel box tied arch bridge foundation pile control network - Google Patents
Laying-off method for high-speed railway steel box tied arch bridge foundation pile control network Download PDFInfo
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- CN106436784A CN106436784A CN201610834352.6A CN201610834352A CN106436784A CN 106436784 A CN106436784 A CN 106436784A CN 201610834352 A CN201610834352 A CN 201610834352A CN 106436784 A CN106436784 A CN 106436784A
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- control point
- cpiii control
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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Abstract
The embodiment of the invention discloses a laying-off method for a high-speed railway steel box tied arch bridge foundation pile control network, and relates to the high-speed railway measurement technology. Laying-off errors can be effectively reduced. The laying-off method includes the steps that temporary transition CP III control points are set on the inner side of a large-span bridge; fixed CP III control points are set on the outer side of the large-span bridge; and measurement is conducted on the basis of the set temporary transition CP III control points and the fixed CP III control points, so that location information of the CP III control points is obtained. The laying-off method is suitable for arranging and measuring the high-speed railway steel box tied arch bridge foundation pile control network.
Description
Technical field
The present invention relates to high-speed railway e measurement technology, more particularly, to a kind of high-speed railway (high ferro) steel box tied arch bridge beam base
Stake controls net (CP III) setting out method.
Background technology
High ferro technology is the important research achievement of China's autonomous innovation, the frontline technology being related to, and is conducive to lifting China
The manufacture level of high-end technology equipment, thus, accelerate high ferro networking and there is great reality and far-reaching significance.
As primary trace version, non-fragment orbit is used widely in high ferro project, and how in no tiny fragments of stone, coal, etc. rail
Lay High Speed Rail Projects measurement plane in road and control net, become a study hotspot.
At present, High Speed Rail Projects measurement plane controls net point three-level on the basis of framework controls net (CP0) to lay, and first
Horizontal control network (CP I) based on level, predominantly exploration, construction, operation maintenance provide coordinate basis；The second level is circuit control
Net (CP II) processed, predominantly surveys and construction provides and controls benchmark；The third level is rail control network (CP III), predominantly rail
Road laying and operation maintenance provide and control benchmark.Wherein, high-speed railway part CPIII control point is arranged on bridge, on bridge
Every 60m about, a point is respectively set on the anti-collision wall of upper and lower row both sides, roadbed is also in the electrified rod base of upper and lower row both sides
Upper every more than 100 meters set a point.But due to but bridge can with temperature change produce expand with heat and contract with cold, the CPIII on bridge
Point is all laid on the anti-collision wall of track both sides, and anti-collision wall can deform with bridge, therefore drives CPIII point to move, makes
Obtain maximum away from CPIII point coordinates change at the girder extensible seam at bridge hold-down support end, error is larger to lead to survey to set, and measurement is smart
Degree can not be effectively guaranteed.
Content of the invention
In view of this, the embodiment of the present invention provides a kind of high-speed railway steel box tied arch bridge beam foundation pile control net to survey the side of setting
Method, can effectively reduce survey and set error.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
On the one hand, the embodiment of the present invention provides a kind of high-speed railway steel box tied arch bridge beam foundation pile control net setting out method,
Including：
Interim transition CP III control point is set inside Longspan Bridge；
Fixing CP III control point is set outside Longspan Bridge；
Interim transition CP III control point based on setting and fixing CP III control point measure, and obtain CP III
Control dot position information；
Described interim transition CP III control point is set inside Longspan Bridge includes：
At the twin fixed guide-vane seat end of Longspan Bridge left end two inner side, it is respectively provided with a CP III control point and the
Two CP III control point；
In the both sides of the center of Longspan Bridge, it is respectively provided with the 3rd CP III control point and the 4th CP III control
Point processed；
On the bridge floor of 20 meters of the Longspan Bridge in distance the first CP III control point, total powerstation is set；
The described fixation CP III control point that arranges outside Longspan Bridge includes：
At 64 meters of the outside at the twin fixed guide-vane seat end of Longspan Bridge left end, it is being respectively provided with the 5th CP III control
System point and the 6th CP III control point；
At the simply supported beam hold-down support end of Longspan Bridge right-hand member, it is respectively provided with the 7th CP III control point and the 8th
CP III control point.
In conjunction with a first aspect, in the first embodiment of first aspect, methods described also includes：
At a corresponding CP III control point or the 2nd CP III control points layout above at twin fixed guide-vane seat end, if
Put CP III control point, to adjust the CP III control point position of spanning both sides, be allowed to meet and lay specification net form rule
Require.
In conjunction with a first aspect, in the second embodiment of first aspect, being transitioning through long-span bridge using 8 points of methods
Beam carries out CP III measurement.
High-speed railway steel box tied arch bridge beam foundation pile control net setting out method provided in an embodiment of the present invention, including：Big
Interim transition CP III control point is set inside span bridge；Fixing CP III control point is set outside Longspan Bridge；Base
Measure in the interim transition CP III control point of setting and fixing CP III control point, obtain CP III control point position
Information；Described interim transition CP III control point is set inside Longspan Bridge includes：Inside Longspan Bridge left end two
Twin fixed guide-vane seat end at, be respectively provided with a CP III control point and the 2nd CP III control point；In Longspan Bridge
The both sides of center, are respectively provided with the 3rd CP III control point and the 4th CP III control point；In distance the CP III
On the bridge floor of the Longspan Bridge that 20 meters of control point, total powerstation is set；Described setting outside Longspan Bridge fixes CP III
Control point includes：At 64 meters of the outside at the twin fixed guide-vane seat end of Longspan Bridge left end, it is respectively provided with the 5th CP
III control point and the 6th CP III control point；At the simply supported beam hold-down support end of Longspan Bridge right-hand member, it is respectively provided with
Seven CP III control point and the 8th CP III control point, can effectively reduce survey and set error.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is embodiment of the present invention high-speed railway steel box tied arch bridge beam foundation pile control net setting out method schematic flow sheet；
Fig. 2 is that the present embodiment across steel case tied arch CP III control point arranges schematic diagram；
Fig. 3 utilizes end bay point measurement updaue main span CP III to control point coordinates schematic diagram for the present embodiment.
Specific embodiment
Below in conjunction with the accompanying drawings the embodiment of the present invention is described in detail.
It will be appreciated that described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of not making creative work all its
Its embodiment, broadly falls into the scope of protection of the invention.
Fig. 1 is embodiment of the present invention high-speed railway steel box tied arch bridge beam foundation pile control net setting out method schematic flow sheet.
Referring to Fig. 1, this flow process includes：
Step 101, arranges interim transition CP III control point inside Longspan Bridge；
In the present embodiment, 4 interim transition CP III control point are arranged on steel bridge, to guarantee the CP III control being formed
Point net form rule, sets station with accurate adjustment non-fragment orbit using stable CP III control point on simply supported beam.
Fig. 2 is that the present embodiment across steel case tied arch CP III control point arranges schematic diagram.Referring to Fig. 2, in figure, unit is
Rice, 01 is CP III control point, and 02 is Setting Station of Total Station Instrument position, and 03 is bridge floor, and 04 is twin fixed guide-vane seat end, and 05 is solid for simply supported beam
Determine bearing end, 140m is main span single span length, 32m is single span freely-supported beam length.
As an alternative embodiment, interim transition CP III control point is set inside Longspan Bridge and includes：
A11, at the twin fixed guide-vane seat end of Longspan Bridge left end two inner side, be respectively provided with a CP III control point with
And the 2nd CP III control point；
A12, in the both sides of the center of Longspan Bridge, is respectively provided with the 3rd CP III control point and the 4th CP
III control point；
A13, on the bridge floor of 20 meters of the Longspan Bridge in distance the first CP III control point, arranges total powerstation.
Step 102, arranges fixing CP III control point outside Longspan Bridge；
In the present embodiment, CP III control point dot spacing is generally 50-60m and is advisable, and continuous beam of growing up could be arranged to
70m, is longer than the Loads of Long-span Bridges of 70m, can arrange transition point in spanning, and the purpose of setting transition point is to ensure that Whole network adjustment
Ride comfort.
In the present embodiment, as an alternative embodiment, fixing CP III control point is set outside Longspan Bridge and includes：
A21, at 64 meters of the outside at the twin fixed guide-vane seat end of Longspan Bridge left end, is respectively provided with the 5th CP
III control point and the 6th CP III control point；
A22, at the simply supported beam hold-down support end of Longspan Bridge right-hand member, be respectively provided with the 7th CP III control point and
8th CP III control point.
In the present embodiment, as an alternative embodiment, for guaranteeing the effectiveness at the CP III control point arranging, the method is also
Including：
At a corresponding CP III control point or the 2nd CP III control points layout above at twin fixed guide-vane seat end, if
Put CP III control point, to adjust the CP III control point position of spanning both sides, be allowed to meet and lay specification net form rule
Require, even if the CP III control point (a CP III control point is to the 8th CP III control point) of the spanning both sides of setting meets
Lay specification net form rule to require.
Step 103, the interim transition CP III control point based on setting and fixing CP III control point measure, and obtain
Control dot position information to CP III.
In the present embodiment, for avoiding the impact of wind shake, mobile load and temperature load measurement process, CP III control point survey set or
Select operation in the case that cloudy temperature constant is calm during measurement as far as possible, or, in the case of the night temperature difference, wind speed are all less
Measure operation, with guarantee survey set during stability of instrument it is ensured that fieldwork observation data meet Whole network adjustment calculate related
Technical requirements.
In the present embodiment, as an alternative embodiment, cross over existing railway or highway in bridge, intensive condition of driving a vehicle
Under, for reduce bridge resonance to measurement implementation process impact, can reduce as far as possible foot rest height or on foot rest counterweight, instrument simultaneously
It is as stable to guarantee instrument and equipment near bridge pad position as possible when device sets up.
In the present embodiment, as another alternative embodiment, for increasing the observation frequency, improve accuracy of observation, CP III measures
8 points of methods of Shi Caiyong are transitioning through Longspan Bridge.With regard to carrying out CP III measurement, obtaining CP III control dot position information is
Known technology, here omits detailed description.
Fig. 3 utilizes end bay point measurement updaue main span CP III to control point coordinates schematic diagram for the present embodiment.Referring to Fig. 3, adopt
It is transitioning through Loads of Long-span Bridges with 8 points of methods and carries out measurement of correlation, the relevant parameter of measurement is as shown in Figure 3.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (3)
1. a kind of high-speed railway steel box tied arch bridge beam foundation pile control net setting out method is it is characterised in that include：
Interim transition CPIII control point is set inside Longspan Bridge；
Fixing CPIII control point is set outside Longspan Bridge；
Interim transition CPIII control point based on setting and fixing CPIII control point measure, and obtain CPIII control point
Positional information；
Described interim transition CPIII control point is set inside Longspan Bridge includes：
At the twin fixed guide-vane seat end of Longspan Bridge left end two inner side, it is respectively provided with a CPIII control point and second
CPIII control point；
In the both sides of the center of Longspan Bridge, it is respectively provided with the 3rd CPIII control point and the 4th CPIII control point；
On the bridge floor of 20 meters of the Longspan Bridge in distance the first CPIII control point, total powerstation is set；
The described fixation CPIII control point that arranges outside Longspan Bridge includes：
At 64 meters of the outside at the twin fixed guide-vane seat end of Longspan Bridge left end, it is respectively provided with the 5th CPIII control point
And the 6th CPIII control point；
At the simply supported beam hold-down support end of Longspan Bridge right-hand member, it is respectively provided with the 7th CPIII control point and the 8th CPIII
Control point.
2. method according to claim 1 is it is characterised in that methods described also includes：
At a corresponding CPIII control point or the 2nd CPIII control points layout above at twin fixed guide-vane seat end, setting
CPIII control point, to adjust the CPIII control point position of spanning both sides, is allowed to meet and lays the rule requirement of specification net form.
3. method according to claim 1 is carried out it is characterised in that being transitioning through Longspan Bridge using 8 points of methods
CPIII measures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610834352.6A CN106436784A (en) | 2016-09-20 | 2016-09-20 | Laying-off method for high-speed railway steel box tied arch bridge foundation pile control network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610834352.6A CN106436784A (en) | 2016-09-20 | 2016-09-20 | Laying-off method for high-speed railway steel box tied arch bridge foundation pile control network |
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| CN106436784A true CN106436784A (en) | 2017-02-22 |
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| CN201610834352.6A Pending CN106436784A (en) | 2016-09-20 | 2016-09-20 | Laying-off method for high-speed railway steel box tied arch bridge foundation pile control network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004997A (en) * | 2019-05-10 | 2019-07-12 | 四川中亿创新重型装备有限公司 | A kind of ballast heap carrier static test mobile device and method |
| CN110162862A (en) * | 2019-05-15 | 2019-08-23 | 东南大学 | A kind of determination method of Loads of Long-span Bridges wind and temperature load co-design value |
| CN110777636A (en) * | 2019-10-21 | 2020-02-11 | 中铁第四勘察设计院集团有限公司 | Method for laying CP III control points on railway cable-stayed bridge and railway cable-stayed bridge |
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| JP4001806B2 (en) * | 2002-12-06 | 2007-10-31 | 財団法人鉄道総合技術研究所 | Identification method and apparatus for non-contact measurement of vibration characteristics of structure |
| CN101899845A (en) * | 2010-04-07 | 2010-12-01 | 西南交通大学 | High-speed railway settlement monitoring technology |
| CN102296497A (en) * | 2011-06-15 | 2011-12-28 | 中铁四局集团有限公司 | Accurate adjustment construction method of turnout plate of CRTS II-type plate-type turnout non-ballast track |
| CN103306172A (en) * | 2013-06-07 | 2013-09-18 | 西南交通大学 | Method for building track control CP III network in simple point form |
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2016
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| JP4001806B2 (en) * | 2002-12-06 | 2007-10-31 | 財団法人鉄道総合技術研究所 | Identification method and apparatus for non-contact measurement of vibration characteristics of structure |
| CN101899845A (en) * | 2010-04-07 | 2010-12-01 | 西南交通大学 | High-speed railway settlement monitoring technology |
| CN102296497A (en) * | 2011-06-15 | 2011-12-28 | 中铁四局集团有限公司 | Accurate adjustment construction method of turnout plate of CRTS II-type plate-type turnout non-ballast track |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004997A (en) * | 2019-05-10 | 2019-07-12 | 四川中亿创新重型装备有限公司 | A kind of ballast heap carrier static test mobile device and method |
| CN110162862A (en) * | 2019-05-15 | 2019-08-23 | 东南大学 | A kind of determination method of Loads of Long-span Bridges wind and temperature load co-design value |
| CN110777636A (en) * | 2019-10-21 | 2020-02-11 | 中铁第四勘察设计院集团有限公司 | Method for laying CP III control points on railway cable-stayed bridge and railway cable-stayed bridge |
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Application publication date: 20170222 |
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