CN103882815A - Transformation method for orthotropic steel bridge deck - Google Patents
Transformation method for orthotropic steel bridge deck Download PDFInfo
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- CN103882815A CN103882815A CN201410150176.5A CN201410150176A CN103882815A CN 103882815 A CN103882815 A CN 103882815A CN 201410150176 A CN201410150176 A CN 201410150176A CN 103882815 A CN103882815 A CN 103882815A
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Abstract
The invention relates to a transformation method for an orthotropic steel bridge deck. According to the technical scheme, the transformation method for the orthotropic steel bridge deck includes the following steps that a measuring scheme of a main control point of a whole bridge of an old bridge structure is formulated, and therefore the whole line form of the old bridge structure is obtained; secondly, a measuring scheme of control points of all segments of the old bridge structure is formulated, and main control sizes of all the segments of the old bridge structure are obtained; thirdly, a position scheme of existing holes, existing splice plates and existing support plates is formulated according to the types and sizes of existing holes, newly-formed holes and/or construction site assembled and drilled holes which need to be used in matching and connecting a novel structure and the old structure; fourthly, the precast orthotropic steel bridge deck is connected with the old bridge structure through angle steel bolts. According to the transformation method for the orthotropic steel bridge deck, a measuring control method of a system is used for effectively obtaining the deformation characteristics of the old bridge structure, the practical line form of the oil bridge structure is simulated, so that a manufacture line form of the newly-manufactured structure is determined, matching and installing of the new structure and the old structure are achieved, the difficulty in installing and erecting on a construction site is lowered, and installation efficiency is improved.
Description
Technical field
The present invention relates to a kind of remodeling method of orthotropic steel bridge deck, belong to railroad bridge design and construction technical field.
Background technology
At present, a lot of built bridges of China exist various infringement defects to some extent, how these bridges are reinforced and to be transformed, and have been a very huge and important engineering.And the transformation of the old bridge of China at present and reinforcing technique pay attention to the aspects such as the method for transforming and reinforce, bridge bearing design, calculating to study more, and it is less to the measurement control research of old bridging shape, this,, by coupling new, old structure is connected and brings difficulty, increases building site difficulty and the workload of setting up is installed.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of modification scheme of orthotropic steel bridge deck and old bridge system is measured to control method, Matching installation new to realize, old structure, and carrying out smoothly of setting up installed in assurance building site.
The remodeling method of orthotropic steel bridge deck, comprises the following steps:
A, formulate the measurement scheme of old bridge construction full-bridge major control point, thereby draw the integral linear of old bridge construction;
B, formulate the measurement scheme at each sections control point of old bridge construction, thereby draw the major control size of the each sections of old bridge construction;
The type and size of C, existing hole, new drilling and/or the building site drilling that need use while connecting for new, old structure coupling, in-site measurement is formulated the location schemes in each hole on old bridge construction crossbeam and longeron;
Together with D, prefabricated orthotropic steel bridge deck (DP) pass through angle steel bolt with old bridge construction.
The remodeling method of described orthotropic steel bridge deck, the measurement control point of the old bridge construction full-bridge integral linear described in steps A selects the intersection point of bridge center line and bridge center line two side girder axis and each sections crossbeam center line as control point, measures the D coordinates value at each control point.
The remodeling method of described orthotropic steel bridge deck, when each control point, sets up coordinate system with crossbeam place plane on the old bridge construction crossbeam of in-site measurement, and along crossbeam axis alignment two-sided measurement from bridge, scene provides the distance of each control point apart from bridge center line.
The remodeling method of described orthotropic steel bridge deck, the linear measurement control point of the each sections of old bridge construction described in step B, in selected segment, in the intersection point of bridge center line two side girder axis and Nodes crossbeam center line, sections, 6 Along ents of bridge center line two side girder axis, as control point, are measured the D coordinates value at each control point.
The remodeling method of described orthotropic steel bridge deck, on the each sections longeron of the old bridge construction of in-site measurement when each control point, set up coordinate system with longeron place plane, along longeron axis from end floor beam to intermediate transverse girder orientation measurement, scene provides the distance of each control point apart from control point on end floor beam.
The remodeling method of described orthotropic steel bridge deck, on the old bridge construction crossbeam of in-site measurement when each hole, on crossbeam end face, along crossbeam axis alignment two-sided measurement from bridge, scene provides the distance of each pitch-row bridge center line described in step C.
The remodeling method of described orthotropic steel bridge deck, on the each sections longeron of the old bridge construction of in-site measurement when each hole, on longeron end face, along longeron axis from end floor beam to intermediate transverse girder orientation measurement, scene provides the distance of each pitch-row end floor beam center line described in step C.Utilize the on-the-spot measured value providing to carry out setting-out and draw position and the quantity in each hole on old bridge construction crossbeam and longeron.
The remodeling method of described orthotropic steel bridge deck, described in step D, prefabricated orthotropic steel bridge deck is by laterally point 7 bridge floor plates of every section of orthotropic steel bridge deck, the interplate building site of bridge floor connects except bridge deck are for being welded to connect, all the other positions are bolt and connect, and every section of orthotropic steel bridge deck is established 1 butt crossbeam, 5 intermediate transverse girders and 8 longerons.
The remodeling method of described orthotropic steel bridge deck, together with the end floor beam of the orthotropic steel bridge deck of transformation, longeron pass through angle steel bolt with crossbeam, the longeron of old bridge construction respectively.
The invention has the beneficial effects as follows, by adopting the measurement control method of system, can effectively obtain the deformation behaviour of old bridge construction, and the reality that simulates old bridge construction is linear, thereby the manufacture of determining new system structure is linear, realize Matching installation new, old structure, reduce building site the difficulty of setting up is installed, improve installation effectiveness.
Accompanying drawing explanation
Fig. 1 is the measurement scheme figure of old bridge construction full-bridge major control point;
Fig. 2 is the measurement scheme figure of old bridge construction sections major control point, is also the enlarged drawing that in Fig. 1, dotted line is irised out part a simultaneously;
Fig. 3 is the profile of orthotropic steel bridge deck improvement project;
In figure:
DP, prefabricated orthotropic steel bridge deck;
EG, prefabricated bridge floor end floor beam;
A, b, c, d, e, f, g, the bridge floor plate of prefabricated orthotropic steel bridge deck;
0,1,2 ... I, I+1, old bridge construction crossbeam;
A, B, C, D, by angle steel bolt new, old bridge construction longeron together;
P, P1, P2 measures control point.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the invention is further illustrated, the basic innovative point of deck pavement reconstruction is to replace original concrete bridge deck with the orthotropic steel bridge deck of new system.Because old bridge construction is after operation for many years, can there is various deformation, as the side sway of the member such as crossbeam, longeron, camber, length and spacing variation etc., therefore need conscientiously to study the feature of the old bridge construction being connected with new system orthotropic steel bridge deck, formulate and accurately effectively measure control method, linear to obtain the reality of old bridge construction, thus determine the linear and manufacture technology scheme of the manufacture of orthotropic steel bridge deck of new system, guarantee that coupling new, old structure connects.
1, the remodeling method of orthotropic steel bridge deck, its feature comprises the following steps:
A, formulate the measurement scheme of old bridge construction full-bridge major control point, thereby draw the integral linear of old bridge construction;
As shown in Figure 1, measure control point P select bridge center line and bridge center line two side girder A axis and each sections crossbeam 0,1,2 ... the intersection point of I center line, as control point, is measured the D coordinates value of each control point P.
B, formulate the measurement scheme at each sections control point of old bridge construction, thereby draw the major control size of the each sections of old bridge construction;
As shown in Figure 2, the measurement control point that the each sections of old bridge construction is linear, in selected segment, in the intersection point P1 of bridge center line two side girder A～D axis and Nodes crossbeam I, I+1 center line, sections, 6 Along ent P2 of bridge center line two side girder A～D axis, as control point, measure the D coordinates value at each control point.
The type and size of C, existing hole, new drilling and/or the building site drilling that need use while connecting for new, old structure coupling, formulate the location schemes in each hole on old bridge construction crossbeam and longeron;
On the old bridge construction crossbeam of in-site measurement, when each hole, on crossbeam end face, along crossbeam axis alignment two-sided measurement from bridge, scene provides the distance of each pitch-row bridge center line.On the each sections longeron of the old bridge construction of in-site measurement, when each hole, on longeron end face, along longeron axis from end floor beam to intermediate transverse girder orientation measurement, scene provides the distance of each pitch-row end floor beam center line.Utilize the on-the-spot measured value providing to carry out setting-out and draw position and the quantity in each hole on old bridge construction crossbeam and longeron.
Together with D, prefabricated orthotropic steel bridge deck DP pass through angle steel bolt with old bridge construction.
As shown in Figure 3, every section of orthotropic steel bridge deck is laterally divided 7 bridge floor plate a, b, c, d, e, f, g by described prefabricated orthotropic steel bridge deck DP, the interplate building site of bridge floor connects except bridge deck are for being welded to connect, all the other positions are bolt and connect, and every section of orthotropic steel bridge deck DP establishes 1 butt crossbeam, 5 intermediate transverse girders and 8 longerons.
Together with end floor beam EG, the longeron A～D of the orthotropic steel bridge deck DP of transformation passes through angle steel bolt with crossbeam I, the longeron A～D of old bridge construction respectively.
Claims (9)
1. the remodeling method of orthotropic steel bridge deck, its feature comprises the following steps:
A, formulate the measurement scheme of old bridge construction full-bridge major control point, thereby draw the integral linear of old bridge construction;
B, formulate the measurement scheme at each sections control point of old bridge construction, thereby draw the major control size of the each sections of old bridge construction;
The type and size of C, existing hole, new drilling and/or the building site drilling that need use while connecting for new, old structure coupling, in-site measurement is formulated the location schemes in each hole on old bridge construction crossbeam and longeron;
Together with D, prefabricated orthotropic steel bridge deck (DP) pass through angle steel bolt with old bridge construction.
2. the remodeling method of orthotropic steel bridge deck according to claim 1, it is characterized in that: measurement control point (P) the selection bridge center line of the old bridge construction full-bridge integral linear described in steps A and bridge center line two side girders (A) axis and each sections crossbeam (0,1,2 ... I) intersection point of center line, as control point, is measured the D coordinates value of each control point (P).
3. the remodeling method of orthotropic steel bridge deck according to claim 2, it is characterized in that: on the old bridge construction crossbeam of in-site measurement when each control point, set up coordinate system with crossbeam place plane, along crossbeam axis alignment two-sided measurement from bridge, scene provides the distance of each control point apart from bridge center line.
4. the remodeling method of orthotropic steel bridge deck according to claim 1, it is characterized in that: the linear measurement control point of the each sections of old bridge construction described in step B, in selected segment, in the intersection point (P1) of bridge center line two side girders (A～D) axis and Nodes crossbeam (I, I+1) center line, sections, 6 Along ents (P2) of bridge center line two side girders (A～D) axis, as control point, are measured the D coordinates value at each control point.
5. the remodeling method of orthotropic steel bridge deck according to claim 4, it is characterized in that: on the each sections longeron of the old bridge construction of in-site measurement when each control point, set up coordinate system with longeron place plane, along longeron axis from end floor beam to intermediate transverse girder orientation measurement, scene provides the distance of each control point apart from control point on end floor beam.
6. the remodeling method of orthotropic steel bridge deck according to claim 1, it is characterized in that: described in step C on the old bridge construction crossbeam of in-site measurement when each hole, on crossbeam end face, along crossbeam axis alignment two-sided measurement from bridge, scene provides the distance of each pitch-row bridge center line.
7. the remodeling method of orthotropic steel bridge deck according to claim 1, it is characterized in that: described in step C on the each sections longeron of the old bridge construction of in-site measurement when each hole, on longeron end face, along longeron axis from end floor beam to intermediate transverse girder orientation measurement, scene provides the distance of each pitch-row end floor beam center line.Utilize the on-the-spot measured value providing to carry out setting-out and draw position and the quantity in each hole on old bridge construction crossbeam and longeron.
8. the remodeling method of orthotropic steel bridge deck according to claim 1, it is characterized in that: described in step D, prefabricated orthotropic steel bridge deck (DP) is by laterally points of 7 bridge floor plates (a, b, c, d, e, f, g) of every section of orthotropic steel bridge deck, the interplate building site of bridge floor connects except bridge deck are for being welded to connect, all the other positions are bolt and connect, and every section of orthotropic steel bridge deck (DP) is established 1 butt crossbeam, 5 intermediate transverse girders and 8 longerons.
9. the remodeling method of orthotropic steel bridge deck according to claim 8, is characterized in that: the end floor beam (EG) of the orthotropic steel bridge deck (DP) of transformation, longeron (A～D) respectively with the crossbeam (I) of old bridge construction, longeron (A～D) by together with angle steel bolt.
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| CN201410150176.5A CN103882815B (en) | 2014-04-15 | 2014-04-15 | The remodeling method of orthotropic steel bridge deck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755449A (en) * | 2017-11-28 | 2018-11-06 | 江苏中铁山桥重工有限公司 | A kind of manufacturing method of novel Steel Bridge Deck for bridge deck renewal |
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| US5651154A (en) * | 1995-11-13 | 1997-07-29 | Reynolds Metals Company | Modular bridge deck system consisting of hollow extruded aluminum elements |
| CN2880899Y (en) * | 2006-03-31 | 2007-03-21 | 中山市公路钢结构制造有限公司 | U-type steel bridge panel of assembling type steel bridge |
| CN101012636A (en) * | 2007-02-15 | 2007-08-08 | 四川省交通厅公路规划勘察设计研究院 | Steel concrete combined bridge front panel |
| JP2011042985A (en) * | 2009-08-21 | 2011-03-03 | Ihi Infrastructure Systems Co Ltd | Steel floor slab reinforcing construction method and steel concrete composite panel used for the same |
| CN102154967A (en) * | 2011-01-26 | 2011-08-17 | 中交第二公路工程局有限公司 | Construction technology of asphalt concrete pavements of long and large longitudinal slopes in mountainous areas, ultra-high road sections and bridge floors |
| CN102877411A (en) * | 2012-10-16 | 2013-01-16 | 湖南大学 | Assembled-type aluminum alloy bridge deck slab-steel girder combined structure |
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2014
- 2014-04-15 CN CN201410150176.5A patent/CN103882815B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5651154A (en) * | 1995-11-13 | 1997-07-29 | Reynolds Metals Company | Modular bridge deck system consisting of hollow extruded aluminum elements |
| CN2880899Y (en) * | 2006-03-31 | 2007-03-21 | 中山市公路钢结构制造有限公司 | U-type steel bridge panel of assembling type steel bridge |
| CN101012636A (en) * | 2007-02-15 | 2007-08-08 | 四川省交通厅公路规划勘察设计研究院 | Steel concrete combined bridge front panel |
| JP2011042985A (en) * | 2009-08-21 | 2011-03-03 | Ihi Infrastructure Systems Co Ltd | Steel floor slab reinforcing construction method and steel concrete composite panel used for the same |
| CN102154967A (en) * | 2011-01-26 | 2011-08-17 | 中交第二公路工程局有限公司 | Construction technology of asphalt concrete pavements of long and large longitudinal slopes in mountainous areas, ultra-high road sections and bridge floors |
| CN102877411A (en) * | 2012-10-16 | 2013-01-16 | 湖南大学 | Assembled-type aluminum alloy bridge deck slab-steel girder combined structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755449A (en) * | 2017-11-28 | 2018-11-06 | 江苏中铁山桥重工有限公司 | A kind of manufacturing method of novel Steel Bridge Deck for bridge deck renewal |
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