CN106498975A - Wet type paper machine room anchor bolt installation method - Google Patents

Wet type paper machine room anchor bolt installation method Download PDF

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Publication number
CN106498975A
CN106498975A CN201610929159.0A CN201610929159A CN106498975A CN 106498975 A CN106498975 A CN 106498975A CN 201610929159 A CN201610929159 A CN 201610929159A CN 106498975 A CN106498975 A CN 106498975A
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China
Prior art keywords
bolt
installation
steel
square steel
concrete
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CN201610929159.0A
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Chinese (zh)
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CN106498975B (en
Inventor
昌克毅
王俊芳
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五冶集团上海有限公司
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/44Foundations for machines, engines or ordnance
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02Handling of bulk concrete specially for foundation or hydraulic engineering purposes

Abstract

A kind of wet type paper machine room anchor bolt installation method, it is characterised in that comprise the following steps:A, preparation of construction, b, unwrapping wire positioning, c, bolt are installed, d, installation bolt fixed disk, e, lay bolt and envelope mould, f, the correction of bolt and inspection and g, pour concrete.The wet type paper machine room anchor bolt installation method of the present invention is conducive to the advantage for controlling bolt precision, easy construction and reduction construction cost.

Description

Wet type paper machine room anchor bolt installation method
Technical field
The present invention relates to a kind of equipment Foundations foundation bolt, specifically, is a kind of wet type paper machine room anchor bolt peace Dress method.
Background technology
900,000 t paper pulp of Beihai Fisheries Base Guangxi Province Stora Enso Oyj paper industry, 900,000 t paper and board production engineering K025 bid section are mainly wrapped Include wet type joint paper machine room, pulpboard storehouse, between warehouse for finished product and steam turbine.Structure is mainly frame structure or Box linear programming, room Face is steel construction.There are substantial amounts of built-in fitting, embedded part to have steel plate embedded part, angle steel to bury on the post of workshop structure and equipment Foundations, beam, plate Part and corrosion resistant plate embedded part, the in addition bolt of layer Steel Structure and installation equipment, the specially pre-buried spiral shell of workshop steel construction Bolt is installed, the pre-buried installation of paper machine equipment anchor bolt.
Wet type combines paper machine room for typical industrial premises, workshop total length 540m, the most a width of 81.8m of width, building sides Product 7.4 ten thousand m2,1-9 lines be slurrying workshop, 9-60 lines be BM paper machine rooms, 60-73 lines be finishing department, the main cloth of ± 0.00m Production corollary equipment basis and groove tank basis is put ,+7.5m platforms are mechanical floor in workshop, and east side is fore side, and west side is transmission Side.Paper machine basis from 17-57 line lengths to arrangement, the most wide 11.1m of equipment Foundations width, basic elevation of top be+7.4m, foundation length For 360m.
Built-in fitting specification species is more, from the specification of 100mm × 100mm to 400mm × 2500mm, thickness of slab be 10mm, The sheet materials such as 12mm, 14mm, 16mm, 20mm, 25mm, 30mm, embedded quantity reach more than ten thousand blocks, and installation bolt quantity is reached more than 5000 Root.
This engineering built-in fitting and bolt installation number are more, and installation accuracy has high demands, and horizontal displacement deviation installed by paper machine bolt For ± 4mm, vertical direction absolute altitude 0, -5mm, it is -5 ,+10mm to basic forming requirements, is the difficult point of this engineering installation of embedded parts, If a series of problems, such as bolt position is inaccurate, error transfinites, delays installation period will be caused using known bolt installation method.
Therefore known wet type paper machine room anchor bolt installation form there are problems that above-mentioned a variety of inconvenience and.
Content of the invention
The purpose of the present invention, is to propose a kind of safe and reliable wet type paper machine room anchor bolt installation method.
For achieving the above object, technical solution of the invention is:
A kind of wet type paper machine room anchor bolt installation method, it is characterised in that comprise the following steps:
A, preparation of construction, including lower step:
1)Construction 7.5m highly locate two concrete platforms as bolt installation fixed Combination frame basis, respectively at equipment transmission side with The pre-buried some ironwares in equipment operation side, for being welded and fixed combined bay, embedded iron parts spacing is horizontal 1100mm, longitudinal direction 2000m;
2)Prefabricated some cantilever fixed Combination framves, cantilever fixed Combination frame include horizontally disposed channel-section steel, and its one end is fixing end, The other end is bolt installation end, and fixing end is provided with two spaced square steel, and square steel is vertical with channel-section steel to be welded admittedly, bolt installation end Two spaced square steel are provided with, square steel is vertical with channel-section steel to be welded admittedly, and each vertical an angle is welded admittedly in the inner side of two square steel Steel;The spacing distance of two square steel of fixing end with accordingly pre-buried concrete ironware apart from identical, to make one end and the embedded iron of square steel Part welds the fixation for reaching cantilever fixed Combination frame on concrete platform admittedly;
3)Prefabricated some complete across fixed Combination framves, entirely across fixed Combination frame include horizontally disposed channel-section steel, its two end is fixing end, The inner side of two fixing ends is bolt installation position, wherein:Fixing end is provided with two spaced square steel, and square steel is vertical with channel-section steel Gu weldering, bolt installation position are provided with two spaced square steel, square steel is vertical with channel-section steel to be welded admittedly, and the inner side in two square steel Each vertical piece angle steel of weldering admittedly;The spacing distance of two square steel of fixing end with accordingly pre-buried concrete ironware apart from identical, so as to the side of making Admittedly weld with pre-buried concrete ironware and reach full fixation of across the fixed Combination frame on two concrete platforms in one end of steel;
4)If prefabricated bolt stem fixed disk, bolt fixed disk is mutually perpendicular to into groined type arrangement by two square steel and two angle steel, Two bolts hole are respectively bored in the middle part of two square steel;
B, unwrapping wire positioning
Surveying setting-out:Throw in for a construction section by between each two expansion joint at the control point that is highly located according to 7.5m on concrete platform One zero line, used as the installation reference line of bolt, zero line is thrown on longitudinal square steel, and carries out repetition measurement every other day;
C, bolt are installed
Bolt is installed, and paper machine bolt is embedded on two paper machine concrete crossbeams, and the difference according to the big beam span of two paper machine concretes is adopted Following two installation forms:Including lower step:
1)Installed using cantilever fixed Combination frame when the big beam span of paper machine concrete is more than 12m, using prefabricated cantilever fixed Combination frame, The fixation for reaching cantilever fixed Combination frame on concrete platform is welded admittedly in one end and pre-buried concrete ironware for making square steel;
2)Installed using complete across fixed Combination frame when the big beam span of paper machine concrete is less than or equal to 12m, using prefabricated complete across fixed group Frame is closed, the one end and pre-buried concrete ironware for making square steel is welded admittedly and reach full fixation of across the fixed Combination frame on concrete platform;
Wherein:Cantilever fixed Combination frame is installed identical across the technical measures of fixed Combination frame with complete:Weld square steel column first, stand Pillar height 500mm, is determined and is ejected channel-section steel with level gauge measurement+7.72m absolute altitudes on column and install baseline;Mounting groove molten steel is put down Support, channel-section steel and square steel column firm welding;Determine and eject square steel installation reference line with theodolite on channel-section steel by shown position; Installation bolt installation position square steel, it is ensured that supporting welding is firm;Angle steel on the inside of welding square steel, is pressed on vertical angle steel with level gauge Diagram ejects the installation reference line of horizontal corner steel;Finally according to the accurate weld horizontal angle steel of datum line, to control bolt fixed disk Absolute altitude accurate;
D, installation bolt fixed disk
Bolt fixed disk is different due to pitch of bolts, size, size, and bolt fixed disk specification species is more, answers compares figure first Whether numbering, size and the scale that paper goes through bolt fixed disk be clear and correct, sends special messenger to get and be transported to scene;Handle Keeping is responsible for by scene after transferring formality;Must sit in the right seat during installation, and notice that installation direction is correct and positive and negative installs standard Really errorless;
E, placement bolt and envelope mould
When laying bolt and envelope mould, cantilever fixed Combination frame Method for Installation is adopted when span is more than 12m;When span is less than or equal to Using complete across fixed Combination frame Method for Installation during 12m, wherein cantilever fixed Combination frame Method for Installation is easily bent deformation shadow because of cantilever end Installation accuracy is rung, is needed the angle steel for increasing L63 × 5mm to make diagonal brace, is increased the rigidity of cantilever fixed Combination frame, reduce cantilever and fix Combined bay flexural deformation;On the inside of paper machine foundation beam, side form is not closed, re-closed inner side side form after bolt placement is in place;Bolt is just Behind position in addition to measurement installation site is basic accurately, the perpendicularity for guaranteeing bolt is also needed, meets the intensive place of reinforcing bar and need to move process, Guarantee that bolt there are enough adjustment spaces;During closing side form, split bolt should avoid bolt position;
F, the correction of bolt and inspection
The correction of bolt draws a bolts centrage according to the zero line on square steel with 4mm diameter wires with when checking, and uses stringing Device is tightened, calibration one by one bolt centerline and absolute altitude, notes taking the method for shimming on nut to be adjusted, and is corrected Complete carry out test oneself centrage and absolute altitude, and form clerking data and hand over equipment installation company repetition measurement, repetition measurement result meets and requires Hou Jiao supervisors carry out an acceptance inspection, and sign and pour order after acceptance(check);
G, pour concrete
Bolt silk mouth is protected with adhesive tape before pouring concrete;Concrete is taken layering, is symmetrically poured;When setting up casting platform and fixation Combined bay can not link together and should separate;Vibrate concrete when forbid vibrating spear to brush up against bolt;Pour and complete to clear up bolt in time And the concrete in template;Before initial set, arrange workman to carry out dabbing to concrete grouting surface.
The wet type paper machine room anchor bolt installation method of the present invention can also adopt following technical measures come further Realize.
Aforesaid method, wherein described complete across fixed Combination frame are set up with 18# I-steel and 20# channel-section steels, complete across fixation Paper placing machine centrage and bolt installation center line are surveyed on combined bay crossbeam, is easy to bolt that control is installed.
Aforesaid method, closely knit with foam encasement parcel to the parts of 300mm below screw thread at the top of wherein described bolt, treat that concrete is applied Foam encasement is removed after work is complete, forms a secondary adjustment when space is easy to bolt to position between concrete and bolt.
Aforesaid method, wherein described bolt install horizontal displacement tolerance ± 4mm.
Aforesaid method, wherein described bolt install vertical distribution 0~-5mm of tolerance.
Aforesaid method, dead size -5~+10mm of tolerance in wherein described two paper machine concrete crossbeam.
After using above-mentioned technical proposal, the wet type paper machine room anchor bolt installation method of the present invention has advantages below:
1st, prefabricated cantilever fixed Combination frame, complete across fixed Combination frame, bolt fixed disk apparatus structure are simple, easy to make;
2nd, first the basis of fixed Combination frame installed by construction 7.5m concretes platform as bolt, can conveniently install guarantee precision and save again Construction cost;
3rd, closely knit, dismounting foam encasement after concrete has been constructed is wrapped up with foam encasement to the parts of 300mm below screw thread at the top of bolt, A secondary adjustment when space is easy to bolt to position is formed between concrete and bolt.
Description of the drawings
Cantilever fixed Combination frame structural representations of the Fig. 1 for the embodiment of the present invention;
Cantilever fixed Combination frame use state schematic diagrams of the Fig. 2 for the embodiment of the present invention;
Complete across fixed Combination frame structural representations of the Fig. 3 for the embodiment of the present invention;
Complete across fixed Combination frame use state schematic diagrams of the Fig. 4 for the embodiment of the present invention;
Bolt fixed disk structural representations of the Fig. 5 for the embodiment of the present invention;
Fig. 6 is the P positions enlarged drawing in Fig. 2 and Fig. 4;
Bolt fixed disk use state schematic diagrams of the Fig. 7 for the embodiment of the present invention.
In figure:1 concrete platform, 2 square steel, 3 channel-section steels, 4 angle steel, 5 bolts, 6 foam encasements, 7 paper machine concrete crossbeams, 8 paper machine centrages, 9 bolts hole.
Specific embodiment
With reference to embodiments and its accompanying drawing to the present invention illustrate further.
Embodiment 1
Wet type paper machine room anchor bolt installation method construction technology process of the present invention:
Preparation of construction → unwrapping wire positioning → fixed Combination frame fabrication and installation → bolt fixed disk installation → foundation bolt is installed, adjustment Review with fixation → basis beam side installation → concrete placings → anchor bolt and join.
The wet type paper machine room anchor bolt installation method of the present invention, comprises the following steps:
A, preparation of construction, comprise the following steps:
1)Construction 7.5m highly locate two concrete platforms as bolt installation fixed Combination frame basis, respectively at equipment transmission side with The pre-buried some concrete ironwares in equipment operation side, for being welded and fixed combined bay, concrete platform spacing is horizontal 1100mm, longitudinal direction 2000m;
Cantilever fixed Combination frame structural representations of the Fig. 1 for the embodiment of the present invention.
2)Prefabricated some cantilever fixed Combination framves, cantilever fixed Combination frame include horizontally disposed channel-section steel 3, and its one end is solid Fixed end, the other end is bolt installation end, and fixing end is provided with two spaced square steel 2, the weldering admittedly vertical with channel-section steel 3 of square steel 2, spiral shell Bolt installation end is provided with two spaced square steel 2, and square steel 2 is vertical with channel-section steel 3 to be welded admittedly, and each vertical in the inner side of two square steel 2 A straight piece angle steel 4 of weldering admittedly;The spacing distance of two square steel 2 of fixing end with accordingly pre-buried concrete ironware apart from identical, to make square steel 2 One end weld admittedly the fixation for reaching cantilever fixed Combination frame on concrete platform with pre-buried concrete ironware;
Complete across fixed Combination frame structural representations of the Fig. 3 for the embodiment of the present invention.
3)Prefabricated some complete across fixed Combination framves, entirely across fixed Combination frame include horizontally disposed channel-section steel 3, its two end is solid Fixed end, the inner side of two fixing ends is bolt installation position, wherein:Fixing end is provided with two spaced square steel 2, square steel 2 with Channel-section steel 3 vertical solid weld, bolt installation position is provided with two spaced square steel 2, the weldering admittedly vertical with channel-section steel 3 of square steel 2, and two The inner side of root square steel 2 is each vertically to weld an angle steel 4 admittedly;The spacing distance of two square steel 2 of fixing end and accordingly pre-buried concrete ironware away from From identical, complete across fixed Combination frame consolidating on two concrete platforms is reached to make one end of square steel 2 and pre-buried concrete ironware weld admittedly Fixed.
Bolt fixed disk structural representations of the Fig. 5 for the embodiment of the present invention.
4)If prefabricated bolt stem fixed disk, bolt fixed disk is mutually perpendicular to into groined type by two square steel 2 and two angle steel 4 Arrangement, respectively bores two bolts hole 9 in the middle part of two square steel.
B, unwrapping wire positioning
Surveying setting-out:Throw in for a construction section by between each two expansion joint at the control point that is highly located according to 7.5m on concrete platform One zero line, used as the installation reference line of bolt, zero line is thrown on longitudinal square steel, and carries out repetition measurement every other day.
C, bolt are installed
Bolt is installed, and paper machine bolt is embedded on two paper machine concrete crossbeams, and the difference according to the big beam span of two paper machine concretes is adopted Following two installation forms:Including lower step:
1)Installed using cantilever fixed Combination frame when the big beam span of paper machine concrete is more than 12m, using prefabricated cantilever fixed Combination frame, The fixation for reaching cantilever fixed Combination frame on concrete platform is welded admittedly in one end and pre-buried concrete ironware for making square steel 2.
Cantilever fixed Combination frame use state schematic diagrams of the Fig. 2 for the embodiment of the present invention.
2)Installed using complete across fixed Combination frame when the big beam span of paper machine concrete is less than or equal to 12m, using prefabricated complete across solid Determine combined bay, the one end and pre-buried concrete ironware for making square steel 2 is welded admittedly and reach full fixation of across the fixed Combination frame on concrete platform.
Wherein:Cantilever fixed Combination frame is installed identical across the technical measures of fixed Combination frame with complete:Welding square steel 2 first stands Post, the high 500mm of column are determined and are ejected channel-section steel 3 with level gauge measurement+7.72m absolute altitudes on column and install baseline;Channel-section steel is installed Horizontal brace, channel-section steel 3 and 2 column firm welding of square steel;Determine and eject square steel installation with theodolite on channel-section steel by shown position Datum line;Installation bolt installation position square steel 2, it is ensured that supporting welding is firm;Welding 2 inner side angle steel 4 of square steel, with level gauge perpendicular The installation reference line of horizontal corner steel is ejected on angle steel by diagram;Finally according to the accurate weld horizontal angle steel of datum line, to control The absolute altitude of bolt fixed disk is accurate.
Complete across fixed Combination frame use state schematic diagrams of the Fig. 4 for the embodiment of the present invention.Complete across the fixed Combination frame is used 18# I-steel and 20# channel-section steels are set up, and on complete across fixed Combination frame crossbeam survey paper placing machine centrage and bolt installation center line, It is easy to bolt that control is installed.
D, installation bolt fixed disk
Bolt fixed disk is different due to pitch of bolts, size, size, and bolt fixed disk specification species is more, answers compares figure first Whether numbering, size and the scale that paper goes through bolt fixed disk be clear and correct, sends special messenger to get and be transported to scene;Handle Keeping is responsible for by scene after transferring formality;Must sit in the right seat during installation, and notice that installation direction is correct and positive and negative installs standard Really errorless.
Fig. 6 is the P positions enlarged drawing in Fig. 2 and Fig. 4.
Bolt fixed disk use state schematic diagrams of the Fig. 7 for the embodiment of the present invention.
E, placement bolt and envelope mould
When laying bolt and envelope mould, cantilever fixed Combination frame Method for Installation is adopted when span is more than 12m;When span is less than or equal to Using complete across fixed Combination frame Method for Installation during 12m, wherein cantilever fixed Combination frame Method for Installation is easily bent deformation shadow because of cantilever end Installation accuracy is rung, is needed the angle steel for increasing L63 × 5mm to make diagonal brace, is increased the rigidity of cantilever fixed Combination frame, reduce cantilever and fix Combined bay flexural deformation;On the inside of paper machine foundation beam, side form is not closed, re-closed inner side side form after bolt placement is in place;Bolt is just Behind position in addition to measurement installation site is basic accurately, the perpendicularity for guaranteeing bolt is also needed, meets the intensive place of reinforcing bar and need to move process, Guarantee that bolt there are enough adjustment spaces;During closing side form, split bolt should avoid bolt position;To screw thread at the top of the bolt Following 300mm parts foam encasement wraps up closely knit, dismounting foam encasement after concrete has been constructed, and forms a sky between concrete and bolt Between be easy to bolt position when secondary adjustment.
F, the correction of bolt and inspection
The correction of bolt draws a bolts centrage according to the zero line on square steel with 4mm diameter wires with when checking, and uses stringing Device is tightened, calibration one by one bolt centerline and absolute altitude, notes taking the method for shimming on nut to be adjusted, and is corrected Complete carry out test oneself centrage and absolute altitude, and form clerking data and hand over equipment installation company repetition measurement, repetition measurement result meets and requires Hou Jiao supervisors carry out an acceptance inspection, and sign and pour order after acceptance(check).
G, pour concrete
Bolt silk mouth is protected with adhesive tape before pouring concrete;Concrete is taken layering, is symmetrically poured;When setting up casting platform and fixation Combined bay can not link together and should separate;Vibrate concrete when forbid vibrating spear to brush up against bolt;Pour and complete to clear up bolt in time And the concrete in template;Before initial set, arrange workman to carry out dabbing to concrete grouting surface.
Wet type paper machine room anchor bolt installation method construction material such as table 1 of the present invention.
1 wet type paper machine room anchor bolt installation method construction material of table
Sequence number Title material Specification Unit Quantity
1 Built-in fitting 200 × 200 × 12,6 Φ 12, La=200 Block 720(It is embedded in 7.5m platforms)
2 Channel-section steel 22# m 2160
3 Square steel 120×60×4 m 1800
4 Angle steel L75×6 m 2800
5 Fixed disk Group 420
Control accuracy such as table 2 installed by wet type paper machine room anchor bolt of the present invention.
Control accuracy installed by 2 wet type paper machine room anchor bolt of table
Project Tolerance(mm) The method of inspection
Horizontal displacement installed by bolt ±4 Accurate total powerstation
Vertical distribution installed by bolt 0~-5mm Precision level
Dead size in foundation beam - 5~+10mm Accurate total powerstation
The present invention has substantive distinguishing features and significant technological progress, the wet type paper machine room anchor bolt installation method of the present invention Comparison with conventional construction technique:
Conventional construction technique is:1st, frame column is first constructed to paper machine foundation beam bottom;2nd, foundation beam support is set up, after carrying out precompressed Shop fixtures mould;The 3rd, ironware is installed in order to be welded and fixed frame on bed die, is welded with ironware as fixed mount column using L75 × 6 angle steel Connect firmly.
The wet type paper machine room anchor bolt installation method of the present invention is had the advantage that with conventional construction technics comparing:
1st, be conducive to controlling bolt precision:Common process is settled by formwork bracing system and deformation is affected, this technique and template Support system is kept completely separate, and is easily controlled bolt installation accuracy.
2nd, easy construction:, because column is in template, construction space is narrow and small, operating difficultiess for common process;Simultaneously to bolt In place bring limitation;This technique has larger operating surface, to the installation of bolt, correction, repairs and all brings larger convenience.
3rd, reduce construction cost:Save about 2160 meters of L75x6 angle steel;2.160 × 6.905 × 2500=37287 units, save 530 × 300=159000 of artificial 530 work day units, reduce by 19.6 ten thousand yuan of construction cost altogether, substantially increase construction efficiency.In advance About 20 days durations.
The wet type paper machine room anchor bolt of the present invention, with advanced and practicality, has not only saved duration but also drop Low construction cost, has very well to the installation of the bolt for being similar to paper machine room engineering foundation bolt or being similar to safe required precision Reference.
The wet type paper machine room anchor bolt installation method of the present invention of the present invention is in Beihai Fisheries Base Guangxi Province Stora Enso Oyj 900,000 Use in ton slurry, 900,000 tons of paper and board production engineering, effect is significant.
Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology people of technical field Member, without departing from the spirit and scope of the present invention, can also make various conversion or change.Therefore, all equivalents Technical scheme also should belong to scope of the invention, should be limited by each claim.

Claims (6)

1. a kind of wet type paper machine room anchor bolt installation method, it is characterised in that comprise the following steps:
A, preparation of construction, including lower step:
1)Construction 7.5m highly locate two concrete platforms as bolt installation fixed Combination frame basis, respectively at equipment transmission side with The pre-buried some ironwares in equipment operation side, for being welded and fixed combined bay, embedded iron parts spacing is horizontal 1100mm, longitudinal direction 2000m;
2)Prefabricated some cantilever fixed Combination framves, cantilever fixed Combination frame include horizontally disposed channel-section steel(3), its one end is to fix End, the other end are bolt installation end, and fixing end is provided with two spaced square steel(2), square steel(2)With channel-section steel(3)Vertical solid Weldering, bolt installation end are provided with two spaced square steel(2), square steel(2)With channel-section steel(3)Vertical solid weldering, and in two square steel (2)Inner side each vertical weld admittedly an angle steel(4);Two square steel of fixing end(2)Spacing distance and accordingly pre-buried concrete ironware away from From identical, to make square steel(2)One end and embedded iron parts weld admittedly the fixation for reaching cantilever fixed Combination frame on concrete platform;
3)Prefabricated some complete across fixed Combination framves, entirely across fixed Combination frame include horizontally disposed channel-section steel(3), its two end is fixation End, the inner side of two fixing ends is bolt installation position, wherein:Fixing end is provided with two spaced square steel(2), square steel(2) With channel-section steel(3)Vertical solid weldering, bolt installation position is provided with two spaced square steel(2), square steel(2)With channel-section steel(3)Vertically Gu weldering, and in two square steel(2)Inner side each vertical weld admittedly an angle steel(4);Two square steel of fixing end(2)Spacing distance with Corresponding embedded iron parts apart from identical, to make square steel(2)One end and embedded iron parts weld admittedly and reach complete across fixed Combination frame two Fixation on individual concrete platform;
4)If prefabricated bolt stem fixed disk, bolt fixed disk is by two square steel(2)With two angle steel(4)It is mutually perpendicular to into groined type Arrangement, respectively bores two bolts hole in the middle part of two square steel(9);
B, unwrapping wire positioning
Surveying setting-out:Throw in for a construction section by between each two expansion joint at the control point that is highly located according to 7.5m on concrete platform One zero line, used as the installation reference line of bolt, zero line is thrown on longitudinal square steel, and carries out repetition measurement every other day;
C, bolt are installed
Bolt is installed, and paper machine bolt is embedded on two paper machine concrete crossbeams, and the difference according to the big beam span of two paper machine concretes is adopted Following two installation forms:Including lower step:
1)Installed using cantilever fixed Combination frame when the big beam span of paper machine concrete is more than 12m, using prefabricated cantilever fixed Combination frame, Make square steel(2)One end and embedded iron parts weld admittedly the fixation for reaching cantilever fixed Combination frame on concrete platform;
2)Installed using complete across fixed Combination frame when the big beam span of paper machine concrete is less than or equal to 12m, using prefabricated complete across fixed group Frame is closed, square steel is made(2)One end and embedded iron parts weld admittedly and reach full fixation of across the fixed Combination frame on concrete platform;
Wherein:Cantilever fixed Combination frame is installed identical across the technical measures of fixed Combination frame with complete:Square steel is welded first(2)Vertical Post, the high 500mm of column are determined and are ejected channel-section steel with level gauge measurement+7.72m absolute altitudes on column(3)Baseline is installed;Mounting groove Molten steel is supported, channel-section steel(3)With square steel(2)Column firm welding;Determined by shown position and the side of ejection on channel-section steel with theodolite Steel installation reference line;Installation bolt installation position square steel(2), it is ensured that supporting welding is firm;Welding square steel(2)Inner side angle steel(4), Eject the installation reference line of horizontal corner steel with level gauge on vertical angle steel by diagram;Finally according to the accurate weld horizontal of datum line Angle steel is accurate with the absolute altitude for controlling bolt fixed disk;
D, installation bolt fixed disk
Bolt fixed disk is different due to pitch of bolts, size, size, and bolt fixed disk specification species is more, answers compares figure first Whether numbering, size and the scale that paper goes through bolt fixed disk be clear and correct, sends special messenger to get and be transported to scene;Handle Keeping is responsible for by scene after transferring formality;Must sit in the right seat during installation, and notice that installation direction is correct and positive and negative installs standard Really errorless;
E, placement bolt and envelope mould
When laying bolt and envelope mould, cantilever fixed Combination frame Method for Installation is adopted when span is more than 12m;When span is less than or equal to Using complete across fixed Combination frame Method for Installation during 12m, wherein cantilever fixed Combination frame Method for Installation is easily bent deformation shadow because of cantilever end Installation accuracy is rung, is needed the angle steel for increasing L63 × 5mm to make diagonal brace, is increased the rigidity of cantilever fixed Combination frame, reduce cantilever and fix Combined bay flexural deformation;On the inside of paper machine foundation beam, side form is not closed, re-closed inner side side form after bolt placement is in place;Bolt is just Behind position in addition to measurement installation site is basic accurately, the perpendicularity for guaranteeing bolt is also needed, meets the intensive place of reinforcing bar and need to move process, Guarantee that bolt there are enough adjustment spaces;During closing side form, split bolt should avoid bolt position;
F, the correction of bolt and inspection
The correction of bolt draws a bolts centrage according to the zero line on square steel with 4mm diameter wires with when checking, and uses stringing Device is tightened, calibration one by one bolt centerline and absolute altitude, notes taking the method for shimming on nut to be adjusted, and is corrected Complete carry out test oneself centrage and absolute altitude, and form clerking data and hand over equipment installation company repetition measurement, repetition measurement result meets and requires Hou Jiao supervisors carry out an acceptance inspection, and sign and pour order after acceptance(check);
G, pour concrete
Bolt silk mouth is protected with adhesive tape before pouring concrete;Concrete is taken layering, is symmetrically poured;When setting up casting platform and fixation Combined bay can not link together and should separate;Vibrate concrete when forbid vibrating spear to brush up against bolt;Pour and complete to clear up bolt in time And the concrete in template;Before initial set, arrange workman to carry out dabbing to concrete grouting surface.
2. wet type paper machine room anchor bolt installation method as claimed in claim 1, it is characterised in that described complete across fixed group Close frame to be set up with 18# I-steel and 20# channel-section steels, survey on complete across fixed Combination frame crossbeam in paper placing machine centrage and bolt installation Heart line, is easy to bolt to install control.
3. wet type paper machine room anchor bolt installation method as claimed in claim 1, it is characterised in that at the top of the bolt extremely The parts of 300mm below screw thread foam encasement wraps up closely knit, dismounting foam encasement after concrete has been constructed, and forms one between concrete and bolt Secondary adjustment when individual space is easy to bolt to position.
4. wet type paper machine room anchor bolt installation method as claimed in claim 1, it is characterised in that water installed by the bolt Prosposition moves tolerance ± 4mm.
5. wet type paper machine room anchor bolt installation method as claimed in claim 1, it is characterised in that the bolt is installed and hung down Straight absolute altitude 0~-5mm of tolerance.
6. wet type paper machine room anchor bolt installation method as claimed in claim 1, it is characterised in that the two paper machine concrete - 5~+10mm of dead size tolerance in crossbeam.
CN201610929159.0A 2016-10-31 2016-10-31 Wet type paper machine room anchor bolt installation method Active CN106498975B (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN107401179A (en) * 2017-08-14 2017-11-28 马鞍山钢铁建设集团有限公司 A kind of paper machine room paper machine crossbeam pre-embedded bolt installation method

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JPS6055125A (en) * 1983-08-31 1985-03-30 Toshiba Eng Constr Co Ltd Setter for foundation bolt for installing apparatus
CN101806069A (en) * 2010-04-16 2010-08-18 天津二十冶建设有限公司 Integrated fixation and installation method for bolt
JP2012144929A (en) * 2011-01-13 2012-08-02 Nec Computertechno Ltd Structure for adjusting fixing position of device for anchor and method for adjusting fixing position of device for anchor
CN103352476A (en) * 2013-07-22 2013-10-16 陕西建工集团第十一建筑工程有限公司 Large-scale bolt high-precision pre-burying construction method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6055125A (en) * 1983-08-31 1985-03-30 Toshiba Eng Constr Co Ltd Setter for foundation bolt for installing apparatus
CN101806069A (en) * 2010-04-16 2010-08-18 天津二十冶建设有限公司 Integrated fixation and installation method for bolt
JP2012144929A (en) * 2011-01-13 2012-08-02 Nec Computertechno Ltd Structure for adjusting fixing position of device for anchor and method for adjusting fixing position of device for anchor
CN103352476A (en) * 2013-07-22 2013-10-16 陕西建工集团第十一建筑工程有限公司 Large-scale bolt high-precision pre-burying construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107401179A (en) * 2017-08-14 2017-11-28 马鞍山钢铁建设集团有限公司 A kind of paper machine room paper machine crossbeam pre-embedded bolt installation method

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