CN102071612A - Method for constructing arched uneven pavement slab - Google Patents

Method for constructing arched uneven pavement slab Download PDF

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Publication number
CN102071612A
CN102071612A CN 201010579222 CN201010579222A CN102071612A CN 102071612 A CN102071612 A CN 102071612A CN 201010579222 CN201010579222 CN 201010579222 CN 201010579222 A CN201010579222 A CN 201010579222A CN 102071612 A CN102071612 A CN 102071612A
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China
Prior art keywords
fetal membrane
prefabricated
template
arch
panel
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CN 201010579222
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Chinese (zh)
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CN102071612B (en
Inventor
熊选爱
陈宝琦
周春泽
张宏斌
郭宏坤
王瑛
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First Engineering Co Ltd of CTCE Group
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First Engineering Co Ltd of CTCE Group
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Priority to CN 201010579222 priority Critical patent/CN102071612B/en
Publication of CN102071612A publication Critical patent/CN102071612A/en
Application granted granted Critical
Publication of CN102071612B publication Critical patent/CN102071612B/en
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Abstract

The invention discloses a method for constructing an arched uneven pavement slab. The method comprises the following steps of: 1) determining an arched uneven line shape; 2) manufacturing a tire film template; 3) selecting and leveling a prefabrication yard; 4) erecting a mould and setting uneven control points; 5) casting a tire film according to the uneven control points; 6) casting the arched uneven pavement slab in a turning way according to the tire film; and 7) mounting an arched uneven prefabricated part according to a road spectrum. The manufacturing steps of the manufactured uneven pavement slab are reduced, the construction period of a project is reduced, the requirement of arched unevenness is met and the accuracy of detection of a powered vehicle is improved.

Description

Arch rough road panel construction method
Technical field:
The present invention relates to a kind of pavement construction method, the job practices of the arch of more specifically saying so rough road panel.
Background technology
The arch roughness pavement is the requirement of road pavement in some special occasions, such as, vapour farming peace proving ground arch rough road length overall 600m, every 50m is one group, totally 12 groups, is made up of 3 types arch out-of-flatness prefabricated units.This project will be composed according to the road, and prefabricated fetal membrane turns over the system road slab again, the absolute altitude at the spectrum control point of satisfying the need, line style, the control technology of the seam level that is in a leading position at home.Along with the continuous maturation of domestic automobile skid pad and market to improving constantly that performance of motor vehicle requires, the arch rough road will adopt in each skid pad.Up to now, Shang Weiyou crosses about the technical data of arch rough road panel construction method open.
Summary of the invention
The invention provides a kind of arch rough road panel construction method, rough road panel production process reduces, and has shortened the duration of a project, has satisfied the requirement of arch irregularity degree simultaneously, has improved the accuracy of the detection of power vehicle.
Technical scheme of the present invention is as follows:
Arch rough road panel construction method includes following steps:
What 1), the arch out-of-flatness was linear determines
Provide the discrepancy in elevation of quadrangle angle point and datum according to design, use mapping software 2 to 3 curves of employing and design the continuous arcuate in shape of the longitudinal and transverse section in a group in advance, designing the discrepancy in elevation of making quadrangle angle point and datum on the continuous arch figure of shaping, encrypting the moulding of the continuous arch of control in constructing at the scene with this;
2), fetal membrane template construct
Determine the arcuate in shape that plate stitches according to the arch out-of-flatness plan of refinement, each plate is made and is made a typified form, and template adopts the bamboo offset plate by processing;
3), prefabricated place selection, smooth
High-intensity sclerosis place should be selected in prefabricated place, and place compressive strength is not less than C40, does not produce failure by rupture to guarantee it in whole prefabricated process, and the planeness in prefabricated place guarantees that less than 3mm each plate slit die plate does not produce dislocation in repeated use;
4), formwork erection, laying out-of-flatness control point
A, formwork erection
1) emits the logical line of both sides bulkhead formwork erection, the position that cooperates invar tape to make the both sides side form in prefabricated place with total powerstation according to the data of calculating;
2) concreting absolute altitude control: build measurement on the place in template, calculate the back mark with level gauge.To guarantee in the Template Location reinforcing process that the template linearity is directly suitable, and it is vertical that template is wanted, and bigger error occurs for preventing template top, and whether will detect template with the level guiding ruler in the formwork erection process vertical, in time correct, until meeting the design specifications requirement for the template that tilts;
3) the prefabricated construction technology of turning over mould again of fetal membrane is adopted in the construction of rough road, on the plate size basis that pre-designed fetal membrane arch line style and control design provide, putting in order of the on-the-spot size setting-out of all fetal membrane prefabricated components and control point all will become mirrored state with the rough road panel in later stage;
B, laying out-of-flatness control point
On four angle points of plate, make the level height peak, do horizontal plane with peak, calculate other control point discrepancy in elevation of horizontal plane therewith, add that according to the design altitude of network point the discrepancy in elevation processes the Height control reinforcing bar, on network point, arrange steel mesh reinforcement, the Height control reinforcing bar is welded on the steel mesh reinforcement, and welding is wanted firmly, prevent concreting and the process of vibrating in reinforcing bar come off.In time check after Height control reinforcing bar welding finishes, in time adjust until adhering to specification for underproof control point, the Height control reinforcing bar adopts to paint and is the visible marking through checking qualified back;
5), build fetal membrane according to the out-of-flatness control point
A, fetal membrane adopt the C40 concrete, forbid during concreting concrete directly is poured on the steel mesh reinforcement, prevent that concrete impact force from coming off the blastic deformation of Height control reinforcing bar;
B, in the grid that does not have the Height control reinforcing bar, vibrate when vibrating;
C, water/binder ratio add that according to concrete construction weather the principle of moulding moulding easily determines;
D, the concrete vibrating back that finishes is carried out preliminary moulding to concrete surface according to the out-of-flatness control point, should note the absolute altitude at each control point during preliminary moulding, the phenomenon (Deviation Control is in 1cm) of on the low side or superelevation must not occur.Treat that concrete carries out the final typing in fetal membrane surface when no longer flowing not initial set, reply determines that according to the arch out-of-flatness plan after the refinement curve between per two control points is linear when finally finalize the design in the fetal membrane surface, in time fill out for the place of on the low side or superelevation and to dig concrete, guarantee that the linear circle between each control point is suitable;
In time receive light, health after e, fetal membrane molding surface are finished, adopt plastic sheeting to cover during health, the fetal membrane surface flatness is impaired but plastic sheeting must not contact concrete surface;
6), turn over according to fetal membrane and water arch out-of-flatness panel
A, fetal membrane intensity can be carried out the prefabricated of arch rough road panel after reaching design strength after testing;
B, template adopt the machine-shaping of bamboo offset plate, and the template height is 440mm, and promptly fetal membrane datum thickness adds top panel datum thickness, should note template end face size and height during formwork reinforcement;
C, being provided with according to design drawing of steel mesh reinforcement processed, fixing, reinforcing bar adopts ф 12 and ф 8, the end face of panel is irregular arcuate surface, its thickness of concrete cover of designing requirement is that the upper strata is not less than 3mm and is not more than 5cm, the top mat of end face adopts field machining on fetal membrane, fixing operational method, promptly go out corresponding reinforcing bar by artificial according to the arch of on-the-spot fetal membrane is linear, to note the surface of fetal membrane is protected during the processing reinforcing bar, prevent that the surface is destroyed and cause the concrete slab rough surface, after the steel mesh reinforcement completion of processing steel mesh reinforcement is lifted away from the fetal membrane surface, the method that adopts waxing and release agent to combine is handled the fetal membrane surface, breaks away from smoothly to guarantee panel and fetal membrane;
7), arch out-of-flatness prefabricated component is installed according to the road spectrum
It is prefabricated when panel is prefabricated according to road spectrum order, every prefabricatedly finish one and promptly it is numbered, treat that the prefabricated component health installs according to numbering to after date, tiling one deck 2cm thick M10 mortar in bottom surface during installation, when paving, mortar should guarantee smoothly to guarantee that the prefabricated component bottom surface contacts fully with mortar, otherwise prefabricated component should be hung the mortar face mortar that according to circumstances paves again, plate stitched wide 1cm when panel was installed, every 50m establishes the seam that rises together, the wide 2cm of seam rises, after the panel installation plate is stitched employing and pour into the M10 cement mortar earlier, adopt the polyurethane road to use the calking joint filling then to the panel end face to from panel end face 3cm place.
Compared with the prior art, beneficial effect of the present invention:
The rough road panel production process that the present invention makes reduces, and has shortened the duration of a project, has satisfied the requirement of arch irregularity degree simultaneously, has improved the accuracy of the detection of power vehicle.
The specific embodiment
Arch rough road panel construction method includes following steps:
What 1), the arch out-of-flatness was linear determines
Provide the discrepancy in elevation of 0.5m * 1m quadrangle angle point and datum according to design, use mapping software 2 to 3 curves of employing and design the continuous arcuate in shape of the longitudinal and transverse section in a group in advance, designing the discrepancy in elevation of making 0.5m * 0.5m quadrangle angle point and datum on the continuous arch figure of shaping, encrypting the moulding of the continuous arch of control in constructing at the scene with this;
2), fetal membrane template construct
Determine the arcuate in shape that plate stitches according to the arch out-of-flatness plan of refinement, each plate is made and is made a typified form, and template adopts the bamboo offset plate by processing;
3), prefabricated place selection, smooth
High-intensity sclerosis place should be selected in prefabricated place, and place compressive strength is not less than C40, does not produce failure by rupture to guarantee it in whole prefabricated process, and the planeness in prefabricated place guarantees that less than 3mm each plate slit die plate does not produce dislocation in repeated use;
4), formwork erection, laying out-of-flatness control point
A, formwork erection
1) emits the logical line of both sides bulkhead formwork erection, the position that cooperates invar tape to make the both sides side form in prefabricated place with total powerstation according to the data of calculating;
2) concreting absolute altitude control: build measurement on the place in template, calculate the back mark with level gauge.To guarantee in the Template Location reinforcing process that the template linearity is directly suitable, and it is vertical that template is wanted, and bigger error occurs for preventing template top, and whether will detect template with the level guiding ruler in the formwork erection process vertical, in time correct, until meeting the design specifications requirement for the template that tilts;
3) the prefabricated construction technology of turning over mould again of fetal membrane is adopted in the construction of rough road, on the plate size basis that pre-designed fetal membrane arch line style and control design provide, putting in order of the on-the-spot size setting-out of all fetal membrane prefabricated components and control point all will become mirrored state with the rough road panel in later stage;
B, laying out-of-flatness control point
On four angle points of plate, make the level height peak, do horizontal plane with peak, calculate other control point discrepancy in elevation of horizontal plane therewith, add that according to the design altitude of network point the discrepancy in elevation processes the Height control reinforcing bar, on network point, arrange steel mesh reinforcement, the Height control reinforcing bar is welded on the steel mesh reinforcement, and welding is wanted firmly, prevent concreting and the process of vibrating in reinforcing bar come off.In time check after Height control reinforcing bar welding finishes, in time adjust until adhering to specification for underproof control point, the Height control reinforcing bar adopts to paint and is the visible marking through checking qualified back;
5), build fetal membrane according to the out-of-flatness control point
A, fetal membrane adopt the C40 concrete, forbid during concreting concrete directly is poured on the steel mesh reinforcement, prevent that concrete impact force from coming off the blastic deformation of Height control reinforcing bar;
B, in the grid that does not have the Height control reinforcing bar, vibrate when vibrating;
C, water/binder ratio add that according to concrete construction weather the principle of moulding moulding easily determines;
D, the concrete vibrating back that finishes is carried out preliminary moulding to concrete surface according to the out-of-flatness control point, should note the absolute altitude at each control point during preliminary moulding, the phenomenon (Deviation Control is in 1cm) of on the low side or superelevation must not occur.Treat that concrete carries out the final typing in fetal membrane surface when no longer flowing not initial set, reply determines that according to the arch out-of-flatness plan after the refinement curve between per two control points is linear when finally finalize the design in the fetal membrane surface, in time fill out for the place of on the low side or superelevation and to dig concrete, guarantee that the linear circle between each control point is suitable;
In time receive light, health after e, fetal membrane molding surface are finished, adopt plastic sheeting to cover during health, the fetal membrane surface flatness is impaired but plastic sheeting must not contact concrete surface;
6), turn over according to fetal membrane and water arch out-of-flatness panel
A, fetal membrane intensity can be carried out the prefabricated of arch rough road panel after reaching design strength after testing;
B, template adopt the machine-shaping of bamboo offset plate, and the template height is 440mm, and promptly fetal membrane datum thickness adds top panel datum thickness, should note template end face size and height during formwork reinforcement;
C, being provided with according to design drawing of steel mesh reinforcement processed, fixing, reinforcing bar adopts ф 12 and ф 8, the end face of panel is irregular arcuate surface, its thickness of concrete cover of designing requirement is that the upper strata is not less than 3mm and is not more than 5cm, the top mat of end face adopts field machining on fetal membrane, fixing operational method, promptly go out corresponding reinforcing bar by artificial according to the arch of on-the-spot fetal membrane is linear, to note the surface of fetal membrane is protected during the processing reinforcing bar, prevent that the surface is destroyed and cause the concrete slab rough surface, after the steel mesh reinforcement completion of processing steel mesh reinforcement is lifted away from the fetal membrane surface, the method that adopts waxing and release agent to combine is handled the fetal membrane surface, breaks away from smoothly to guarantee panel and fetal membrane;
7), arch out-of-flatness prefabricated component is installed according to the road spectrum
It is prefabricated when panel is prefabricated according to road spectrum order, every prefabricatedly finish one and promptly it is numbered, treat that the prefabricated component health installs according to numbering to after date, tiling one deck 2cm thick M10 mortar in bottom surface during installation, when paving, mortar should guarantee smoothly to guarantee that the prefabricated component bottom surface contacts fully with mortar, otherwise prefabricated component should be hung the mortar face mortar that according to circumstances paves again, plate stitched wide 1cm when panel was installed, every 50m establishes the seam that rises together, the wide 2cm of seam rises, after the panel installation plate is stitched employing and pour into the M10 cement mortar earlier, adopt the polyurethane road to use the calking joint filling then to the panel end face to from panel end face 3cm place.

Claims (1)

1. arch rough road panel construction method is characterized in that, includes following steps:
What 1), the arch out-of-flatness was linear determines
Provide the discrepancy in elevation of quadrangle angle point and datum according to design, use mapping software 2 to 3 curves of employing and design the continuous arcuate in shape of the longitudinal and transverse section in a group in advance, designing the discrepancy in elevation of making quadrangle angle point and datum on the continuous arch figure of shaping, encrypting the moulding of the continuous arch of control in constructing at the scene with this;
2), fetal membrane template construct
Determine the arcuate in shape that plate stitches according to the arch out-of-flatness plan of refinement, each plate is made and is made a typified form, and template adopts the bamboo offset plate by processing;
3), prefabricated place selection, smooth
High-intensity sclerosis place should be selected in prefabricated place, and place compressive strength is not less than C40, does not produce failure by rupture to guarantee it in whole prefabricated process, and the planeness in prefabricated place guarantees that less than 3mm each plate slit die plate does not produce dislocation in repeated use;
4), formwork erection, laying out-of-flatness control point
A, formwork erection
1) emits the logical line of both sides bulkhead formwork erection, the position that cooperates invar tape to make the both sides side form in prefabricated place with total powerstation according to the data of calculating;
2) concreting absolute altitude control: build measurement on the place in template, calculate the back mark with level gauge.To guarantee in the Template Location reinforcing process that the template linearity is directly suitable, and it is vertical that template is wanted, and bigger error occurs for preventing template top, and whether will detect template with the level guiding ruler in the formwork erection process vertical, in time correct, until meeting the design specifications requirement for the template that tilts;
3) the prefabricated construction technology of turning over mould again of fetal membrane is adopted in the construction of rough road, on the plate size basis that pre-designed fetal membrane arch line style and control design provide, putting in order of the on-the-spot size setting-out of all fetal membrane prefabricated components and control point all will become mirrored state with the rough road panel in later stage;
B, laying out-of-flatness control point
On four angle points of plate, make the level height peak, do horizontal plane with peak, calculate other control point discrepancy in elevation of horizontal plane therewith, add that according to the design altitude of network point the discrepancy in elevation processes the Height control reinforcing bar, on network point, arrange steel mesh reinforcement, the Height control reinforcing bar is welded on the steel mesh reinforcement, and welding is wanted firmly, prevent concreting and the process of vibrating in reinforcing bar come off.In time check after Height control reinforcing bar welding finishes, in time adjust until adhering to specification for underproof control point, the Height control reinforcing bar adopts to paint and is the visible marking through checking qualified back;
5), build fetal membrane according to the out-of-flatness control point
A, fetal membrane adopt the C40 concrete, forbid during concreting concrete directly is poured on the steel mesh reinforcement, prevent that concrete impact force from coming off the blastic deformation of Height control reinforcing bar;
B, in the grid that does not have the Height control reinforcing bar, vibrate when vibrating;
C, water/binder ratio add that according to concrete construction weather the principle of moulding moulding easily determines;
D, the concrete vibrating back that finishes is carried out preliminary moulding to concrete surface according to the out-of-flatness control point, should note the absolute altitude at each control point during preliminary moulding, the phenomenon (Deviation Control is in 1cm) of on the low side or superelevation must not occur.Treat that concrete carries out the final typing in fetal membrane surface when no longer flowing not initial set, reply determines that according to the arch out-of-flatness plan after the refinement curve between per two control points is linear when finally finalize the design in the fetal membrane surface, in time fill out for the place of on the low side or superelevation and to dig concrete, guarantee that the linear circle between each control point is suitable;
In time receive light, health after e, fetal membrane molding surface are finished, adopt plastic sheeting to cover during health, the fetal membrane surface flatness is impaired but plastic sheeting must not contact concrete surface;
6), turn over according to fetal membrane and water arch out-of-flatness panel
A, fetal membrane intensity can be carried out the prefabricated of arch rough road panel after reaching design strength after testing;
B, template adopt the machine-shaping of bamboo offset plate, and the template height is 440mm, and promptly fetal membrane datum thickness adds top panel datum thickness, should note template end face size and height during formwork reinforcement;
C, being provided with according to design drawing of steel mesh reinforcement processed, fixing, reinforcing bar adopts ф 12 and ф 8, the end face of panel is irregular arcuate surface, its thickness of concrete cover of designing requirement is that the upper strata is not less than 3mm and is not more than 5cm, the top mat of end face adopts field machining on fetal membrane, fixing operational method, promptly go out corresponding reinforcing bar by artificial according to the arch of on-the-spot fetal membrane is linear, to note the surface of fetal membrane is protected during the processing reinforcing bar, prevent that the surface is destroyed and cause the concrete slab rough surface, after the steel mesh reinforcement completion of processing steel mesh reinforcement is lifted away from the fetal membrane surface, the method that adopts waxing and release agent to combine is handled the fetal membrane surface, breaks away from smoothly to guarantee panel and fetal membrane;
7), arch out-of-flatness prefabricated component is installed according to the road spectrum
It is prefabricated when panel is prefabricated according to road spectrum order, every prefabricatedly finish one and promptly it is numbered, treat that the prefabricated component health installs according to numbering to after date, tiling one deck 2cm thick M10 mortar in bottom surface during installation, when paving, mortar should guarantee smoothly to guarantee that the prefabricated component bottom surface contacts fully with mortar, otherwise prefabricated component should be hung the mortar face mortar that according to circumstances paves again, plate stitched wide 1cm when panel was installed, every 50m establishes the seam that rises together, the wide 2cm of seam rises, after the panel installation plate is stitched employing and pour into the M10 cement mortar earlier, adopt the polyurethane road to use the calking joint filling then to the panel end face to from panel end face 3cm place.
CN 201010579222 2010-12-08 2010-12-08 Method for constructing arched uneven pavement slab Active CN102071612B (en)

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CN102071612B CN102071612B (en) 2013-01-30

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102691243A (en) * 2012-06-05 2012-09-26 中铁四局集团第一工程有限公司 Construction method for high-precision wavy pavement for automobile test
CN105648870A (en) * 2015-09-30 2016-06-08 中交公局第五工程有限公司 Construction method for washboard road of test field
CN108487016A (en) * 2018-03-05 2018-09-04 中交公局第五工程有限公司 The irregular accurate elevation concrete pavement construction method in test site

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1181207A (en) * 1997-09-01 1999-03-26 Nippon Hodo Co Ltd Precast concrete panel, its manufacture, and method for executing the same
US20050220539A1 (en) * 2004-04-01 2005-10-06 Yee Alfred A Precast concrete slab system and method therefor
JP2006117478A (en) * 2004-10-22 2006-05-11 Kagawa Industry Support Foundation Method of solidifying coal ash and solidified body
CN101748674A (en) * 2008-12-03 2010-06-23 上海通用汽车有限公司 Road construction method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1181207A (en) * 1997-09-01 1999-03-26 Nippon Hodo Co Ltd Precast concrete panel, its manufacture, and method for executing the same
US20050220539A1 (en) * 2004-04-01 2005-10-06 Yee Alfred A Precast concrete slab system and method therefor
JP2006117478A (en) * 2004-10-22 2006-05-11 Kagawa Industry Support Foundation Method of solidifying coal ash and solidified body
CN101748674A (en) * 2008-12-03 2010-06-23 上海通用汽车有限公司 Road construction method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102691243A (en) * 2012-06-05 2012-09-26 中铁四局集团第一工程有限公司 Construction method for high-precision wavy pavement for automobile test
CN102691243B (en) * 2012-06-05 2015-03-04 中铁四局集团第一工程有限公司 Construction method for high-precision wavy pavement for automobile test
CN105648870A (en) * 2015-09-30 2016-06-08 中交公局第五工程有限公司 Construction method for washboard road of test field
CN105648870B (en) * 2015-09-30 2017-11-03 中交第一公路工程局有限公司 The construction method on skid pad washboard road
CN108487016A (en) * 2018-03-05 2018-09-04 中交公局第五工程有限公司 The irregular accurate elevation concrete pavement construction method in test site

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