CN103482042B - A kind of deep water comb shape slideway cross beam construction method of installation - Google Patents
A kind of deep water comb shape slideway cross beam construction method of installation Download PDFInfo
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- CN103482042B CN103482042B CN201310431689.9A CN201310431689A CN103482042B CN 103482042 B CN103482042 B CN 103482042B CN 201310431689 A CN201310431689 A CN 201310431689A CN 103482042 B CN103482042 B CN 103482042B
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Abstract
The invention discloses a kind of, roll in advance assembled and under water installation deep water comb shape slideway cross beam construction method of installation of being integrated prefabricated based on short segment coupling.It solve conventional construction method and need the long-time work drowned of diver, construction risk is larger; Slideway cross beam is owing to being subject to stormy waves and water currents simultaneously, absolute altitude and axis contraposition are difficult to control, a difficult problem for the high precision installation requirement that slideway cross beam gets on the right track cannot be met, the present invention is to the prefabricated line style of slideway cross beam, pre-splicing wiring type and install line style implementation dynamic regulation, the accumulation of error is not produced in the construction overall process of beam section, make beam section size accurate, line style is accurate; There is the advantages such as high in technological content, batch production, do mechanization operation degree are high, environmental protection; The combination of advanced computer technology, dynamo-electric manufacturing technology and arine railway construction technique can also be promoted.
Description
Technical field
The present invention relates to arine railway technical field of construction, refer to particularly a kind of based on short segment coupling prefabricated, roll in advance assembled and under water high precision install deep water comb shape slideway cross beam construction method of installation.
Background technology
Lasting vigorous along with water transport market, the increase of ship structure yardstick, the track groups number of comb type side slipway increases thereupon, and slideway underwater penetration is also deepened thereupon, and this has higher requirement to the setting accuracy that slideway cross beam gets on the right track.
In the prior art, the technique of installation traditional construction under water of horizontal comb arine railway cross beam be after adopting crane ship cross beam to be hung transportation pontoon mobile crane ship to desired location, slip cross beam is sunk under the water, dived beneath the water by diver and feel the position on mounting hole and stake top, commander's crane ship moves ship, by the planimetric position of crowbar adjustment beam, slideway cross beam is made to be located in the assigned address on pile cover top.Conventional construction method needs the long-time work drowned of diver, and after cross beam is in place, crane ship can leave, and construction risk is comparatively large, and energy consumption is high; Slideway cross beam is owing to being subject to stormy waves and water currents simultaneously, and absolute altitude and axis contraposition are difficult to control, and cannot meet the high precision installation requirement that slideway cross beam gets on the right track.
Therefore, need improve prior art.
Summary of the invention
Object of the present invention is exactly the deficiency that will solve above-mentioned background technology, provide a kind of based on short segment coupling prefabricated, roll in advance assembled and under water high precision install deep water comb shape slideway cross beam construction method of installation.
Technical scheme of the present invention is: a kind of deep water comb shape slideway cross beam construction method of installation, and it is characterized in that, it comprises the following steps:
1), the short segment matching method of slideway cross beam is prefabricated:
A, on precast pedestal, first build the first cross beam beam section, after its concrete strength reaches designing requirement, first cross beam beam section is moved on coupling pedestal, using the first cross beam beam section as matching beam section, the second cross beam beam section, as the end mould of the second cross beam beam section to be built, is built at precast pedestal in the front end of the first cross beam beam section;
B, after the second cross beam beam section concrete intensity reaches requirement, first cross beam beam section handling is walked and carried out pre-splicing dress, second cross beam beam section is transferred to coupling pedestal, and using the front end of the second cross beam beam section as waiting the end mould of building next cross beam beam section, with this all beam section that circulated;
2), the pre-assembling construction of the rolling of slideway cross beam:
A, on pre-assembled pedestal according to 3 Pin slideway cross beam beam sections head and the tail docking mode assembled;
B, in slideway cross beam beam section, lay track, be fixed after orbit adjusting puts in place, and in track termination spraying mark;
C, remove the slideway cross beam that front 2 Pin have spliced, by last 1 Pin slideway cross beam beam section reach, roll pre-assembled follow-up beam section and track thereof;
D, according to above-mentioned steps 2) in a, b, c, until complete the assembled in advance of all beam sections, and complete in time track end leader know spraying;
3), the installation under water of slideway cross beam:
A, slideway cross beam Primary Location are in pile cover top;
The slope of b, adjustment slideway cross beam;
C, the measurement interorbital axis of slideway cross beam and height variation, and the three-dimensional attitude of slideway cross beam is adjusted.
In such scheme:
Described precast pedestal is provided with cross beam beam section template, described cross beam beam section template comprises the fixed end mould surrounding cross beam beam section requisite space to be built, outer side mold, bed die, connection beam side form and internal mold, described fixed end mould is arranged on longitudinal front end of requisite space, described outer side mold is arranged on the both lateral sides of requisite space, the outside of outer side mold is provided with outer side mold support, described bed die is arranged on the bottom of requisite space, described connection beam side form is arranged on longitudinal tail end of requisite space, described internal mold is for supporting the inwall of requisite space, internal mold is supported by internal mould supporter, described coupling pedestal is used for placing has built cross beam beam section.
Be provided with track below described precast pedestal and coupling pedestal, described track is provided with bottom die trolley, and described bottom die trolley supports and mobile bed die.
Described precast pedestal and coupling pedestal are supported by adjustable for height support system.
Step 1) in, be coated with separant between described second cross beam beam section and the first cross beam beam section.
Step 2) in, be provided with track above the described slideway cross beam spliced, the termination of described track is provided with mark.
Step 3) in, the installation process under water of described slideway cross beam is:
1), by the guide piece on the measurement tower on the GPS position fixing system be arranged on crane barge, cross beam suspension bracket and the sight line radius stay on support boat, location hawser and slideway cross beam to realize the tentatively in place of slideway cross beam;
2), slideway cross beam complete tentatively in place after, crane barge breaks off relations and also lifting steel rope is shelved on measurement tower top end temporarily;
3) slope of slideway cross beam, is adjusted according to the two shaft inclination sensors be arranged on slideway cross beam;
4), by the underwater survey equipment being arranged on slideway cross beam suspension bracket side-lower measure the intersegmental axis of slideway cross beam beam and height variation in real time, and the three-dimensional attitude of slideway cross beam is adjusted;
5), after slideway cross beam completes accurate location, build node concrete under water in time and slideway cross beam and pile cover are linked together.
Described slideway cross beam carries out installation location by slideway cross beam suspender; Described slideway cross beam suspender comprises slideway cross beam suspension bracket, and described slideway cross beam suspension bracket is provided with measurement tower, and described slideway cross beam suspension bracket lower end is provided with positioner and underwater survey equipment.
Described two shaft inclination sensors are connected with slideway cross beam suspension bracket.
The present invention has the following advantages:
1) the present invention carries out dynamic regulation to the prefabricated line style of slideway cross beam, pre-splicing wiring type and installation line style, and do not produce the accumulation of error in the construction overall process of beam section, make beam section size accurate, line style is accurate;
2) the present invention has the advantages such as high in technological content, batch production, do mechanization operation degree are high, environmental protection, less on ambient environment impact.
3) the present invention is applied in the construction of deep water arine railway, the smooth enforcement of slideway engineering can not only be ensured, but also the combination of advanced computer technology, dynamo-electric manufacturing technology and arine railway construction technique can be promoted, make China's arine railway construction collect close property, operation laxity to mechanization, factory operation transition by traditional work.
Accompanying drawing explanation
Fig. 1-Fig. 8 is the short segment matching method prefabricated construction step schematic diagram of middle slideway cross beam of the present invention;
Fig. 9 is middle slideway cross beam short segment matching method prefabricated construction unit layout schematic diagram of the present invention;
Figure 10 is that the pre-assembled constructing device facade of middle slideway cross beam of the present invention rolling arranges schematic diagram;
Figure 11 is that the facade of installation construction device under water of middle slideway cross beam of the present invention arranges schematic diagram.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The described in the invention construction method sliding into cross beam is a kind of, roll in advance assembled and under water construction method of installation prefabricated based on short segment coupling, and it comprises the following steps:
1), the short segment matching method of slideway cross beam is prefabricated:
A, on precast pedestal, first build the first cross beam beam section, after its concrete strength reaches designing requirement, first cross beam beam section is moved on coupling pedestal, using the first cross beam beam section as matching beam section, the front end of the first cross beam beam section is as the end mould of the second cross beam beam section to be built, the second cross beam beam section is built at precast pedestal, wherein, be coated with separant between second cross beam beam section and the first cross beam beam section, the second cross beam beam section and the first cross beam beam section separate by separant.
B, after the second cross beam beam section concrete intensity reaches requirement, first cross beam beam section handling is walked and carried out pre-splicing dress, second cross beam beam section is transferred to coupling pedestal, and using the front end of the second cross beam beam section as waiting the end mould of building next cross beam beam section, with this all beam section that circulated;
2), the pre-assembling construction of the rolling of slideway cross beam:
A, on pre-assembled pedestal according to 3 Pin slideway cross beam beam sections head and the tail docking mode assembled;
B, in slideway cross beam beam section, lay track, be fixed after orbit adjusting puts in place, and in track termination spraying mark;
C, remove the slideway cross beam that front 2 Pin have spliced, by last 1 Pin slideway cross beam beam section reach, roll pre-assembled follow-up beam section and track thereof;
D, according to above-mentioned steps 2) in a, b, c, until complete the assembled in advance of all beam sections, and complete in time track end leader know spraying;
3), the installation under water of slideway cross beam:
A, slideway cross beam Primary Location are in pile cover top;
The slope of b, adjustment slideway cross beam;
C, the measurement interorbital axis of slideway cross beam and height variation, and the three-dimensional attitude of slideway cross beam is adjusted.
Step 1) in:
As shown in Fig. 1-Fig. 9, precast pedestal is provided with cross beam beam section template, cross beam beam section template comprises the fixed end mould 1.1 surrounding cross beam beam section 1.3 requisite space to be built, outer side mold 1.2, bed die 1.8, connection beam side form 1.10 and internal mold 1.9, fixed end mould 1.1 is arranged on longitudinal front end of requisite space, outer side mold 1.2 is arranged on the both lateral sides of requisite space, the outside of outer side mold 1.2 is provided with outer side mold support 1.5, bed die 1.8 is arranged on the bottom of requisite space, connection beam side form 1.10 is arranged on longitudinal tail end of requisite space, internal mold 1.9 is for supporting the inwall of requisite space, internal mold 1.9 is supported by internal mould supporter 1.11, coupling pedestal is provided with for placing the space of building cross beam beam section 1.4.Below precast pedestal and coupling pedestal, be provided with track 1.7, track 1.7 is provided with bottom die trolley 1.6, bottom die trolley 1.6 is used for supporting and mobile bed die 1.8, and then supports the mobile cross beam beam section being arranged on bed die 1.8
The control step of the short segment matching method prefabricated construction of slideway cross beam is specially:
1), until on precast pedestal after the cross beam beam section 1.3 of building has been built, maintenance (as shown in Figure 1) is carried out to it;
2), remove the outer side mold 1.2 of cross beam beam section 1.3, connection beam side form 1.10, removes the cross beam beam section 1.4 of having built, and gauntry crane hangs away internal mold 1.9 and internal mould supporter 1.11 (as shown in Figure 2);
3), by cross beam beam section 1.3 separate with fixed end mould 1.1, and remove certain distance, meanwhile, cross beam beam section 1.4 hangs away to deposit in by use gantry crane stores up district's (as shown in Figure 3);
4), with gantry crane the bed die 1.8 of cross beam beam section 1.3 is hung fixed end mould 1.1 place, prop up and adjust the elevation (as shown in Figure 4) of bed die 1.8;
5), cross beam beam section 1.3 is moved to matching beam fragment position, and its planimetric position of accurate adjustment and elevation, then install and locate outer side mold 1.2 and the connection beam side form 1.10 of next cross beam beam section to be poured, and each template is interfixed (as shown in Figure 5);
6), by the framework of steel reinforcement 1.12 of next cross beam beam section to be poured hang in template, and it is positioned (as shown in Figure 6);
7), gantry crane is used to lift up into internal mold 1.9, by fixing (as shown in Figure 7) between itself and bed die 1.8 and fixed end mould 1.1;
8) cement concrete of next cross beam beam section to be poured, is built.So carry out prefabricated (as shown in Figure 8) that such circulation just can complete all beam sections.
Wherein bed die 1.8 needs because of the prefabricated construction of cross beam beam section, and precast pedestal is all provided with corresponding adjustable for height support system to the bottom of coupling pedestal, can adjust the absolute altitude of cross beam beam section.In addition, the position of fixed end mould 1.1 is fixing, during each model sheetinstallat, measures and checks its planimetric position, levelness and squareness.During initial beam precast, two ends all need to hold mould, and the end mould of other beam sections is the end face of fixed end mould and coupling cross beam beam section.
As shown in Figure 10, the pre-assembling construction of rolling of slideway cross beam, mate by Pin according to the mode of slideway cross beam by 3 Pin head and the tail docking, after it refers to that to be matched section of slideway cross beam 2.2 reaches the lifting intensity of 75% of code requirement, adopt two 70t gauntrys crane 2.3, with professional suspender slideway cross beam 2.2 hung carry out rolling toward pre-assembled pedestal 2.1 assembled in advance.
In this step: by column track need be installed above the slideway cross beam 2.2 spliced, and by orbit adjusting in the deviation range of design permission, be fixed again, after track installation, every row track termination is identified, and collects the three-dimensional coordinate of marking point and the elevation data of precast pedestal.
As shown in figure 11, in the construction technique under water of slideway cross beam, slideway cross beam 3.1 carries out installation location by slideway cross beam suspender; Slideway cross beam suspender comprises slideway cross beam suspension bracket 3.2, and slideway cross beam suspension bracket 3.2 is provided with measures tower 3.3, and slideway cross beam suspension bracket 3.2 lower end is provided with positioner 3.4 and underwater survey equipment 3.5, and Specific construction step is:
1), by the guide piece on the measurement tower 3.3 on the GPS position fixing system be arranged on crane barge, cross beam suspension bracket 3.2 and the sight line radius stay on support boat, location hawser and slideway cross beam 3.1 to realize the tentatively in place of slideway cross beam, in the work progress preliminary in place of slideway cross beam, by diver's auxiliary slide channel cross beam Primary Location in pile cover top;
2), slideway cross beam 3.1 complete tentatively in place after, crane barge breaks off relations and also lifting steel rope is shelved on measurement tower 3.3 top temporarily;
3) slope of slideway cross beam 3.1 is adjusted according to the two shaft inclination sensors 3.6 be arranged on slideway cross beam 3.1.
4) the intersegmental axis of beam and height variation is measured in real time by the underwater survey equipment 3.5 being arranged on slideway cross beam suspension bracket 3.2 side-lower, the related data measuring gained is input to the accurate adjustment level controlling system of slideway cross beam, then by positioner 3.4 to realize the adjustment of the three-dimensional attitude of slideway cross beam.
5), after slideway cross beam 3.1 completes accurate location, build node concrete under water in time and slideway cross beam 3.1 and pile cover are linked together.
In this step, two shaft inclination sensors 3.6 are arranged on slideway cross beam by sensor frock, and are connected with slideway cross beam suspension bracket 3.2, can with slideway cross beam suspension bracket 3.2 synchronous hoisting, easy disassembly, recycle, increase operating efficiency.
Described sight line radius stay is arranged on support boat, as the positioning datum that slideway cross beam is tentatively in place.
The construction technique under water of slideway cross beam of the present invention, specifically refers to that slideway cross beam is measured tower realize Primary Location through guide piece, inverse plummet observation.Slideway cross beam complete tentatively in place after, crane ship breaks off relations and also lifting steel rope is shelved on cross beam suspension bracket top temporarily.First, the slope of slideway cross beam is adjusted according to the two shaft inclination sensors be arranged on slideway cross beam, then the intersegmental axis of beam and height variation is measured in real time by the underwater survey equipment being arranged on slideway cross beam suspension bracket side-lower, the related data measuring gained is input to the accurate adjustment level controlling system of slideway cross beam, to realize the adjustment of the three-dimensional attitude of slideway cross beam.
Illustrated deep water comb shape slideway cross beam construction method of installation is the short segment matching method pre-assembling construction of rolling that is prefabricated, slideway cross beam of set slideway cross beam and three kinds of construction technologies of installation under water of slideway cross beam, it solve conventional construction method and need the long-time work drowned of diver, construction risk is larger; Slideway cross beam is owing to being subject to stormy waves and water currents simultaneously, absolute altitude and axis contraposition are difficult to control, a difficult problem for the high precision installation requirement that slideway cross beam gets on the right track cannot be met, the present invention is to the prefabricated line style of slideway cross beam, pre-splicing wiring type and install line style implementation dynamic regulation, the accumulation of error is not produced in the construction overall process of beam section, make beam section size accurate, line style is accurate; There is the advantages such as high in technological content, batch production, do mechanization operation degree are high, environmental protection; The combination of advanced computer technology, dynamo-electric manufacturing technology and arine railway construction technique can also be promoted.
Claims (9)
1. a deep water comb shape slideway cross beam construction method of installation, it is characterized in that, it comprises the following steps:
1), the short segment matching method of slideway cross beam is prefabricated:
A, on precast pedestal, first build the first cross beam beam section, after its concrete strength reaches designing requirement, first cross beam beam section is moved on coupling pedestal, using the first cross beam beam section as matching beam section, the second cross beam beam section, as the end mould of the second cross beam beam section to be built, is built at precast pedestal in the front end of the first cross beam beam section;
B, after the second cross beam beam section concrete intensity reaches requirement, first cross beam beam section handling is walked and carried out pre-splicing dress, second cross beam beam section is transferred to coupling pedestal, and using the front end of the second cross beam beam section as waiting the end mould of building next cross beam beam section, with this all beam section that circulated;
2), the pre-assembling construction of the rolling of slideway cross beam:
A, on pre-assembled pedestal according to 3 Pin slideway cross beam beam sections head and the tail docking mode assembled;
B, in slideway cross beam beam section, lay track, be fixed after orbit adjusting puts in place, and in track termination spraying mark;
C, remove the slideway cross beam that front 2 Pin have spliced, by last 1 Pin slideway cross beam beam section reach, roll pre-assembled follow-up beam section and track thereof;
D, according to above-mentioned steps 2) in a, b, c, until complete the assembled in advance of all beam sections, and complete in time track end leader know spraying;
3), the installation under water of slideway cross beam:
A, slideway cross beam Primary Location are in pile cover top;
The slope of b, adjustment slideway cross beam;
C, the measurement interorbital axis of slideway cross beam and height variation, and the three-dimensional attitude of slideway cross beam is adjusted.
2. deep water comb shape slideway cross beam construction method of installation according to claim 1, it is characterized in that: described precast pedestal is provided with cross beam beam section template, described cross beam beam section template comprises the fixed end mould surrounding cross beam beam section requisite space to be built, outer side mold, bed die, connection beam side form and internal mold, described fixed end mould is arranged on longitudinal front end of requisite space, described outer side mold is arranged on the both lateral sides of requisite space, the outside of outer side mold is provided with outer side mold support, described bed die is arranged on the bottom of requisite space, described connection beam side form is arranged on longitudinal tail end of requisite space, described internal mold is for supporting the inwall of requisite space, internal mold is supported by internal mould supporter, described coupling pedestal is used for placing has built cross beam beam section.
3. deep water comb shape slideway cross beam construction method of installation according to claim 1, is characterized in that: be provided with track below described precast pedestal and coupling pedestal, described track is provided with bottom die trolley, and described bottom die trolley supports and mobile bed die.
4. deep water comb shape slideway cross beam construction method of installation according to claim 3, is characterized in that: described precast pedestal and coupling pedestal are supported by adjustable for height support system.
5. deep water comb shape slideway cross beam construction method of installation according to claim 1, is characterized in that: step 1) in, be coated with separant between described second cross beam beam section and the first cross beam beam section.
6. deep water comb shape slideway cross beam construction method of installation according to claim 1, is characterized in that: step 2) in, be provided with track by column above the described slideway cross beam spliced, the termination of described track is provided with mark.
7. deep water comb shape slideway cross beam construction method of installation according to claim 1, is characterized in that: step 3) in, the installation process under water of described slideway cross beam is:
1), by the guide piece on the measurement tower on the GPS position fixing system be arranged on crane barge, cross beam suspension bracket and the sight line radius stay on support boat, location hawser and slideway cross beam to realize the tentatively in place of slideway cross beam;
2), slideway cross beam complete tentatively in place after, crane barge breaks off relations and also lifting steel rope is shelved on measurement tower top end temporarily;
3) slope of slideway cross beam, is adjusted according to the two shaft inclination sensors be arranged on slideway cross beam;
4), by the underwater survey equipment being arranged on slideway cross beam suspension bracket side-lower measure the intersegmental axis of slideway cross beam beam and height variation in real time, and the three-dimensional attitude of slideway cross beam is adjusted;
5), after slideway cross beam completes accurate location, build node concrete under water in time and slideway cross beam and pile cover are linked together.
8. deep water comb shape slideway cross beam construction method of installation according to claim 7, is characterized in that: described slideway cross beam carries out installation location by slideway cross beam suspender; Described slideway cross beam suspender comprises slideway cross beam suspension bracket, and described slideway cross beam suspension bracket is provided with measurement tower, and described slideway cross beam suspension bracket lower end is provided with positioner and underwater survey equipment.
9. deep water comb shape slideway cross beam construction method of installation according to claim 7, is characterized in that: described two shaft inclination sensors are connected with slideway cross beam suspension bracket.
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| CN103879527B (en) * | 2014-03-19 | 2016-04-20 | 中交第二航务工程局有限公司 | A kind of comb slideway cross beam deep water high precision installs linear control method |
| CN107285207B (en) * | 2017-06-26 | 2018-07-31 | 中国能源建设集团安徽电力建设第一工程有限公司 | A kind of hoist controlling system based on wireless tilt angle sensor |
| CN107336799B (en) * | 2017-06-30 | 2019-03-22 | 广船国际有限公司 | A kind of cabin storage system foundation beam installation method |
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