CN104712085A - Large-area wear-resistant concrete ground construction method - Google Patents

Abstract

The invention provides a large-area wear-resistant concrete ground construction method. The method includes the steps of pouring scheme determining, base layer processing, steel formwork supporting, concrete pouring construction, wear-resistant material construction and joint cutting. The method is convenient to use, and the flatness, cleanliness and wear-resistant and dustproof performance of a large-area wear-resistant concrete ground can be effectively improved.

Description

A kind of large area abrasion-resistant concrete ground construction

Technical field

The present invention relates to concrete ground construction field, particularly relate to a kind of large area abrasion-resistant concrete ground construction.

Background technology

Along with socioeconomic develop rapidly, the large spaces such as megastore, supermarket, garage, industrial premises, warehouse, large area building, facility get more and more, its planeness to ground, cleanliness factor, the wear-resisting performance requirement such as dust-proof are more and more higher, meanwhile the various wear-resisting curing materials of flooring with difference in functionality feature gets more and more, and how high standard, the high-quality large area concrete wear-resisting floor that completes are constructed into one of management and control emphasis into this type of engineering.As unit in charge of construction, to grasp and the advanced construction technology of skilled application Large Area Wear-resisting Concrete Ground also becomes the strong chip of in construction market keen competition one.The application of the plant equipment of advanced person, reasonably technique, effective quality control method are then become the emphasis that construction of Large Area Wear-resisting technique will consider.

Summary of the invention

Object of the present invention in order to improve planeness, cleanliness factor, the wear-resisting anti-dust performance of large area abrasion-resistant concrete ground, and provides a kind of large area abrasion-resistant concrete ground construction.

The present invention for achieving the above object, provides a kind of large area abrasion-resistant concrete ground construction, and the step comprised has the determination of pouring plan, base treatment, punching block supporting, concrete pouring construction, high-abrasive material construction, joint-cutting;

(1) determination of pouring plan:

Require and technical know how according to design drawing, in conjunction with the actual conditions that scene possesses, the indwelling position of planning concrete subregion block placement precedence diagram and partition seam, according to separate unit mechanical efficiency and concreting speed, will laterally every two across as a construction subregion, use laser concrete leveling instrument construction technology, do not need sequence placing, pouring construction is carried out in Using Free Partition; Again according to partition seam drawing indwelling requirement, must not be greater than 6m, frame column spacing is 10.7m, 11m, using center line between frame column as partition seam, and joint-cutting process after carrying out after concreting completes and reaches desired strength;

(2) base treatment:

Before flooring construction, remove the facility material on flooring; Flooring absolute altitude is checked, known the real situation, cuts protuberance that absolute altitude do not meet the demands and unrestrained concrete, mortar are rejected; Cleaning wall, post root affect the position that surface layer is built; To wearing flooring, ground hole carries out shutoff or add and accurate fixed sleeving; Dabbing process is unified to cast-in-situ concrete flooring plate, guarantees the combination of surface layer and basic unit; Cleaning is unified to construction area;

(3) punching block supporting:

Determine absolute altitude and position line: selection reference absolute altitude anchor point, the position of selection guarantees that sight line is penetrating, broad view, easily protects, and has obvious mark after completing, and divides figure, post, wall are released partition seam position line, in conjunction with Work sectors division figure according to partition seam;

Template is processed: surface layer is the thick pea gravel concreten wear-resistant coat of 5cm, ∠ 30 × 30 × 4 angle steel is selected to make the iron expand tube bolt of template and diameter 6mm, angle steel width is less than concreting thickness, be less than 1cm, angle steel processing before will to its straight degree carry out inspections adjust, guarantee angle steel template shaping after straight degree, and then ensure the straight degree of concrete partition boundaries, unify punching to the angle steel chosen, punching diameter is greater than iron expand tube diameter of bolt 2mm, and spacing is 1.5m;

Angle steel formwork erection meter: the position line good according to measuring, arranges guide pile, and according to position line and guide pile arrangement angle steel, use timber wedge to carry out preliminary bracing reinforcement, and carry out preliminary levelling, Pass line adjustment; According to the bolt hole position on angle steel, jewel hole on flooring, and the angle steel utilizing bolt to carry out is fixing, the final absolute altitude of angle steel is regulated by upper and lower two nuts, reinforce, and the straight degree of repetition measurement angle steel template and absolute altitude, guarantee overlapping of partition seam center line and formwork erection line, avoid the cold joint seeing the first after-pouring of block on shaping ground; Use mortar by closely knit for the gap filling between angle steel and flooring, utilize filled with mortar cavity;

(4) reinforced mesh fabrication and installation:

Flooring is the thick armored concrete wear-resistant coat of 5cm, reinforced mesh makes according to partition seam size burst, install after, pulp sweeping complete until formwork erection completes, it is shaping for subsequent use that reinforced mesh shifts to an earlier date colligation, and divide heap to put neatly along construction area, step into the installation of row mesh sheet along with concreting progress shifts to an earlier date two;

(5) concrete pouring construction:

Preparation before building: lay concrete pump pipe; Debugging laser leveling machine, and according to building 1 rice noodles, generating laser, receiver are debugged, set up, prepares and check facility; Use hand held receiver to check flooring absolute altitude, absolute altitude is introduced laser leveling machine, adjusts the reference point (± 0.000m) on evener;

Concrete distributing and leveling of vibrating: adopt commercial concrete, strength grade is the pea gravel concreten of C30, slump 140 ± 20mm, start to build after preparation is ready, build order and carry out cloth along the pump line laid, Manual, concrete is just put down to than flooring absolute altitude height 1-2 ㎝, concrete height is determined according to concrete slump, concrete in the effective boundary of works area of laser leveling machine leveling head is known the real situation, then vibrated by disposable the completing of laser concrete leveling machine, compacting, leveling work, to the position, blind area that laser leveling machine exists, such as corner, post root, the sleeve pipe position of outstanding flooring, by manually vibrating, leveling, compacting, requirement concrete is smooth, its planeness is at ± 3mm, do not reveal stone, surface is without open fire, there is sufficient slurry, in laser leveling machine work progress, to check timely the concrete of leveling of vibrating, to guarantee that the flatness error of concrete pavement meets the demands, elevation control,

(6) high-abrasive material construction:

Spreading diamond dust: when concrete surface water mark disappears, when trampling concrete, during the footprint that concrete surface leaves, concrete enters initial set, and it is dark that trace is about 5mm, now carries out the spreading work of high-abrasive material diamond dust, before diamond dust construction, mid-term sessions constructor should wear flat rubber overshoes and enter, later stage sessions should be worn waterproof papery footwear and enter, the first spreading construction in the sidelines such as wall, post, door and template, spreading amount is 2/3 of whole consumption for the first time, diamond dust spreading adopts spreader to carry out, regulate the load of spreader in advance, high-abrasive material consumption is 5-7kg/ ㎡, absorb after certain moisture content until high-abrasive material, mill with hand held finisher disk and disperse and starch with substrate concrete to combine, and carry slurry, want evenly in period dispersion process, treat first time spreading is dispersed carry slurry after, levelness is weighed with guiding ruler or straight floating rule, and adjustment first time spreading injustice place, carry out second time spreading, consumption is 1/3 of whole consumption, spreading direction should be vertical with first time, after second time spreading, mill with hand held finisher, carry slurry, and scrape smooth to large dough figurine work darby, use driving-type finisher floating immediately, troweling: driving-type finisher is levelling, troweling, and repeat driving-type finisher gate knife operation at least twice, should carry out to staggered in length and breadth during the operation of finisher gate knife, uniform sequential, prevent material from assembling, position, corner trowel artificial treatment, after the operation of driving-type finisher gate knife, it is more in disorder that surface layer smears line as still existed, smearing line for elimination finally adopts thin steel trowel to carry out in order to surface layer, artificial press polish in the same way, complete modification operation,

Wear-resisting floor maintenance and finished product protection: wear-resisting floor adopts the method for watering to carry out maintenance, and keep surface wettability, curing time must not be less than 7 days, under normal temperature condition, and wear-resisting floor surface construction completes form removal after 24 hours, must not damage flooring edge;

(7) joint-cutting:

Carry out joint-cutting process according to concrete situation after completion, in case irregular be full of cracks, cutting seam is spaced apart 6m, the unified snap the line of cutting, and neatly straight to guarantee cutting seam, depth of cut answers more than 1/5 of flooring thickness, cutting mode: dry type is cut; Clipping time: cut when not chip after surface finish; Depth of cut: 20 ~ 30mm; Certificate between cutting: 4 ~ 6m, divides figure according to partition seam; Post limit is cut: post limit adopts rhombus cutting, every length of side 1.5m.

The invention has the beneficial effects as follows: a kind of large area abrasion-resistant concrete ground construction of the present invention is easy to use, effectively can improve the planeness of large area abrasion-resistant concrete ground, cleanliness factor, wear-resisting anti-dust performance.

Detailed description of the invention

Be described in detail below with reference to embodiments of the invention.

A kind of large area abrasion-resistant concrete ground construction, the step comprised has the determination of pouring plan, base treatment, punching block supporting, concrete pouring construction, high-abrasive material construction, joint-cutting;

(1) determination of pouring plan:

Require and technical know how according to design drawing, in conjunction with the actual conditions that scene possesses, the indwelling position of planning concrete subregion block placement precedence diagram and partition seam, according to separate unit mechanical efficiency and concreting speed, will laterally every two across as a construction subregion, use laser concrete leveling instrument construction technology, do not need sequence placing, pouring construction is carried out in Using Free Partition; Again according to partition seam drawing indwelling requirement, must not be greater than 6m, frame column spacing is 10.7m, 11m, using center line between frame column as partition seam, and joint-cutting process after carrying out after concreting completes and reaches desired strength;

(2) base treatment:

Before flooring construction, remove the facility material on flooring; Flooring absolute altitude is checked, known the real situation, cuts protuberance that absolute altitude do not meet the demands and unrestrained concrete, mortar are rejected; Cleaning wall, post root affect the position that surface layer is built; To wearing flooring, ground hole carries out shutoff or add and accurate fixed sleeving; Dabbing process is unified to cast-in-situ concrete flooring plate, guarantees the combination of surface layer and basic unit; Cleaning is unified to construction area;

(3) punching block supporting:

Determine absolute altitude and position line: selection reference absolute altitude anchor point, the position of selection guarantees that sight line is penetrating, broad view, easily protects, and has obvious mark after completing, and divides figure, post, wall are released partition seam position line, in conjunction with Work sectors division figure according to partition seam;

Template is processed: surface layer is the thick pea gravel concreten wear-resistant coat of 5cm, ∠ 30 × 30 × 4 angle steel is selected to make the iron expand tube bolt of template and diameter 6mm, angle steel width is less than concreting thickness, be less than 1cm, angle steel processing before will to its straight degree carry out inspections adjust, guarantee angle steel template shaping after straight degree, and then ensure the straight degree of concrete partition boundaries, unify punching to the angle steel chosen, punching diameter is greater than iron expand tube diameter of bolt 2mm, and spacing is 1.5m;

Angle steel formwork erection meter: the position line good according to measuring, arranges guide pile, and according to position line and guide pile arrangement angle steel, use timber wedge to carry out preliminary bracing reinforcement, and carry out preliminary levelling, Pass line adjustment; According to the bolt hole position on angle steel, jewel hole on flooring, and the angle steel utilizing bolt to carry out is fixing, the final absolute altitude of angle steel is regulated by upper and lower two nuts, reinforce, and the straight degree of repetition measurement angle steel template and absolute altitude, guarantee overlapping of partition seam center line and formwork erection line, avoid the cold joint seeing the first after-pouring of block on shaping ground; Use mortar by closely knit for the gap filling between angle steel and flooring, utilize filled with mortar cavity;

(4) reinforced mesh fabrication and installation:

Flooring is the thick armored concrete wear-resistant coat of 5cm, reinforced mesh makes according to partition seam size burst, install after, pulp sweeping complete until formwork erection completes, it is shaping for subsequent use that reinforced mesh shifts to an earlier date colligation, and divide heap to put neatly along construction area, step into the installation of row mesh sheet along with concreting progress shifts to an earlier date two;

(5) concrete pouring construction:

Preparation before building: lay concrete pump pipe; Debugging laser leveling machine, and according to building 1 rice noodles, generating laser, receiver are debugged, set up, prepares and check facility; Use hand held receiver to check flooring absolute altitude, absolute altitude is introduced laser leveling machine, adjusts the reference point (± 0.000m) on evener;

Concrete distributing and leveling of vibrating: adopt commercial concrete, strength grade is the pea gravel concreten of C30, slump 140 ± 20mm, start to build after preparation is ready, build order and carry out cloth along the pump line laid, Manual, concrete is just put down to than flooring absolute altitude height 1-2 ㎝, concrete height is determined according to concrete slump, concrete in the effective boundary of works area of laser leveling machine leveling head is known the real situation, then vibrated by disposable the completing of laser concrete leveling machine, compacting, leveling work, to the position, blind area that laser leveling machine exists, such as corner, post root, the sleeve pipe position of outstanding flooring, by manually vibrating, leveling, compacting, requirement concrete is smooth, its planeness is at ± 3mm, do not reveal stone, surface is without open fire, there is sufficient slurry, in laser leveling machine work progress, to check timely the concrete of leveling of vibrating, to guarantee that the flatness error of concrete pavement meets the demands, elevation control,

(6) high-abrasive material construction:

Spreading diamond dust: when concrete surface water mark disappears, when trampling concrete, during the footprint that concrete surface leaves, concrete enters initial set, and it is dark that trace is about 5mm, now carries out the spreading work of high-abrasive material diamond dust, before diamond dust construction, mid-term sessions constructor should wear flat rubber overshoes and enter, later stage sessions should be worn waterproof papery footwear and enter, the first spreading construction in the sidelines such as wall, post, door and template, spreading amount is 2/3 of whole consumption for the first time, diamond dust spreading adopts spreader to carry out, regulate the load of spreader in advance, high-abrasive material consumption is 5-7kg/ ㎡, absorb after certain moisture content until high-abrasive material, mill with hand held finisher disk and disperse and starch with substrate concrete to combine, and carry slurry, want evenly in period dispersion process, treat first time spreading is dispersed carry slurry after, levelness is weighed with guiding ruler or straight floating rule, and adjustment first time spreading injustice place, carry out second time spreading, consumption is 1/3 of whole consumption, spreading direction should be vertical with first time, after second time spreading, mill with hand held finisher, carry slurry, and scrape smooth to large dough figurine work darby, use driving-type finisher floating immediately, troweling: driving-type finisher is levelling, troweling, and repeat driving-type finisher gate knife operation at least twice, should carry out to staggered in length and breadth during the operation of finisher gate knife, uniform sequential, prevent material from assembling, position, corner trowel artificial treatment, after the operation of driving-type finisher gate knife, it is more in disorder that surface layer smears line as still existed, smearing line for elimination finally adopts thin steel trowel to carry out in order to surface layer, artificial press polish in the same way, complete modification operation,

Wear-resisting floor maintenance and finished product protection: wear-resisting floor adopts the method for watering to carry out maintenance, and keep surface wettability, curing time must not be less than 7 days, under normal temperature condition, and wear-resisting floor surface construction completes form removal after 24 hours, must not damage flooring edge;

(7) joint-cutting:

Carry out joint-cutting process according to concrete situation after completion, in case irregular be full of cracks, cutting seam is spaced apart 6m, the unified snap the line of cutting, and neatly straight to guarantee cutting seam, depth of cut answers more than 1/5 of flooring thickness, cutting mode: dry type is cut; Clipping time: cut when not chip after surface finish; Depth of cut: 20 ~ 30mm; Certificate between cutting: 4 ~ 6m, divides figure according to partition seam; Post limit is cut: post limit adopts rhombus cutting, every length of side 1.5m.

Claims (1)

1. a large area abrasion-resistant concrete ground construction, is characterized in that, the step comprised has the determination of pouring plan, base treatment, punching block supporting, concrete pouring construction, high-abrasive material construction, joint-cutting;

(1) determination of pouring plan:

Require and technical know how according to design drawing, in conjunction with the actual conditions that scene possesses, the indwelling position of planning concrete subregion block placement precedence diagram and partition seam, according to separate unit mechanical efficiency and concreting speed, will laterally every two across as a construction subregion, use laser concrete leveling instrument construction technology, do not need sequence placing, pouring construction is carried out in Using Free Partition; Again according to partition seam drawing indwelling requirement, must not be greater than 6m, frame column spacing is 10.7m, 11m, using center line between frame column as partition seam, and joint-cutting process after carrying out after concreting completes and reaches desired strength;

(2) base treatment:

Before flooring construction, remove the facility material on flooring; Flooring absolute altitude is checked, known the real situation, cuts protuberance that absolute altitude do not meet the demands and unrestrained concrete, mortar are rejected; Cleaning wall, post root affect the position that surface layer is built; To wearing flooring, ground hole carries out shutoff or add and accurate fixed sleeving; Dabbing process is unified to cast-in-situ concrete flooring plate, guarantees the combination of surface layer and basic unit; Cleaning is unified to construction area;

(3) punching block supporting:

Determine absolute altitude and position line: selection reference absolute altitude anchor point, the position of selection guarantees that sight line is penetrating, broad view, easily protects, and has obvious mark after completing, and divides figure, post, wall are released partition seam position line, in conjunction with Work sectors division figure according to partition seam;

Template is processed: surface layer is the thick pea gravel concreten wear-resistant coat of 5cm, ∠ 30 × 30 × 4 angle steel is selected to make the iron expand tube bolt of template and diameter 6mm, angle steel width is less than concreting thickness, be less than 1cm, angle steel processing before will to its straight degree carry out inspections adjust, guarantee angle steel template shaping after straight degree, and then ensure the straight degree of concrete partition boundaries, unify punching to the angle steel chosen, punching diameter is greater than iron expand tube diameter of bolt 2mm, and spacing is 1.5m;

Angle steel formwork erection meter: the position line good according to measuring, arranges guide pile, and according to position line and guide pile arrangement angle steel, use timber wedge to carry out preliminary bracing reinforcement, and carry out preliminary levelling, Pass line adjustment; According to the bolt hole position on angle steel, jewel hole on flooring, and the angle steel utilizing bolt to carry out is fixing, the final absolute altitude of angle steel is regulated by upper and lower two nuts, reinforce, and the straight degree of repetition measurement angle steel template and absolute altitude, guarantee overlapping of partition seam center line and formwork erection line, avoid the cold joint seeing the first after-pouring of block on shaping ground; Use mortar by closely knit for the gap filling between angle steel and flooring, utilize filled with mortar cavity;

(4) reinforced mesh fabrication and installation:

Flooring is the thick armored concrete wear-resistant coat of 5cm, reinforced mesh makes according to partition seam size burst, install after, pulp sweeping complete until formwork erection completes, it is shaping for subsequent use that reinforced mesh shifts to an earlier date colligation, and divide heap to put neatly along construction area, step into the installation of row mesh sheet along with concreting progress shifts to an earlier date two;

(5) concrete pouring construction:

Preparation before building: lay concrete pump pipe; Debugging laser leveling machine, and according to building 1 rice noodles, generating laser, receiver are debugged, set up, prepares and check facility; Use hand held receiver to check flooring absolute altitude, absolute altitude is introduced laser leveling machine, adjusts the reference point (± 0.000m) on evener;

Concrete distributing and leveling of vibrating: adopt commercial concrete, strength grade is the pea gravel concreten of C30, slump 140 ± 20mm, start to build after preparation is ready, build order and carry out cloth along the pump line laid, Manual, concrete is just put down to than flooring absolute altitude height 1-2 ㎝, concrete height is determined according to concrete slump, concrete in the effective boundary of works area of laser leveling machine leveling head is known the real situation, then vibrated by disposable the completing of laser concrete leveling machine, compacting, leveling work, to the position, blind area that laser leveling machine exists, such as corner, post root, the sleeve pipe position of outstanding flooring, by manually vibrating, leveling, compacting, requirement concrete is smooth, its planeness is at ± 3mm, do not reveal stone, surface is without open fire, there is sufficient slurry, in laser leveling machine work progress, to check timely the concrete of leveling of vibrating, to guarantee that the flatness error of concrete pavement meets the demands, elevation control,

(6) high-abrasive material construction:

Spreading diamond dust: when concrete surface water mark disappears, when trampling concrete, during the footprint that concrete surface leaves, concrete enters initial set, and it is dark that trace is about 5mm, now carries out the spreading work of high-abrasive material diamond dust, before diamond dust construction, mid-term sessions constructor should wear flat rubber overshoes and enter, later stage sessions should be worn waterproof papery footwear and enter, the first spreading construction in the sidelines such as wall, post, door and template, spreading amount is 2/3 of whole consumption for the first time, diamond dust spreading adopts spreader to carry out, regulate the load of spreader in advance, high-abrasive material consumption is 5-7kg/ ㎡, absorb after certain moisture content until high-abrasive material, mill with hand held finisher disk and disperse and starch with substrate concrete to combine, and carry slurry, want evenly in period dispersion process, treat first time spreading is dispersed carry slurry after, levelness is weighed with guiding ruler or straight floating rule, and adjustment first time spreading injustice place, carry out second time spreading, consumption is 1/3 of whole consumption, spreading direction should be vertical with first time, after second time spreading, mill with hand held finisher, carry slurry, and scrape smooth to large dough figurine work darby, use driving-type finisher floating immediately, troweling: driving-type finisher is levelling, troweling, and repeat driving-type finisher gate knife operation at least twice, should carry out to staggered in length and breadth during the operation of finisher gate knife, uniform sequential, prevent material from assembling, position, corner trowel artificial treatment, after the operation of driving-type finisher gate knife, it is more in disorder that surface layer smears line as still existed, smearing line for elimination finally adopts thin steel trowel to carry out in order to surface layer, artificial press polish in the same way, complete modification operation,

Wear-resisting floor maintenance and finished product protection: wear-resisting floor adopts the method for watering to carry out maintenance, and keep surface wettability, curing time must not be less than 7 days, under normal temperature condition, and wear-resisting floor surface construction completes form removal after 24 hours, must not damage flooring edge;

(7) joint-cutting:

Carry out joint-cutting process according to concrete situation after completion, in case irregular be full of cracks, cutting seam is spaced apart 6m, the unified snap the line of cutting, and neatly straight to guarantee cutting seam, depth of cut answers more than 1/5 of flooring thickness, cutting mode: dry type is cut; Clipping time: cut when not chip after surface finish; Depth of cut: 20 ~ 30mm; Certificate between cutting: 4 ~ 6m, divides figure according to partition seam; Post limit is cut: post limit adopts rhombus cutting, every length of side 1.5m.