CN103835205A - Construction method for road edge stone sliding mode - Google Patents
Construction method for road edge stone sliding mode Download PDFInfo
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- CN103835205A CN103835205A CN201210484045.1A CN201210484045A CN103835205A CN 103835205 A CN103835205 A CN 103835205A CN 201210484045 A CN201210484045 A CN 201210484045A CN 103835205 A CN103835205 A CN 103835205A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides a construction method for a road edge stone sliding mode. According to the construction method, a road camber cross slope of a road is 2% and a road edge stone cross slope of the road is 3%. The construction method is characterized by comprising the following steps: a, providing a road edge stone base layer; b, carrying out road edge stone side line setting-out; c, putting a road edge stone sliding mode machine in place; d, mixing concrete and transporting; e, paving; f, paving mortar on the top face of the concrete; g, carrying out artificial smoothing processing; h, curing; and i, cutting lines and filling the lines. The construction method for the road edge stone sliding mode has the advantages that a traditional complicated procedure of pre-fabricating, mounting and transporting road edge stones is saved, the road edge stones are simple to manufacture, the line shape is smooth and beautiful, few joints are formed, the color and luster are the same, the service life of the road edge stones is greatly prolonged, and the maintenance cost is reduced.
Description
Technical field
The present invention relates to a kind of curb construction method of highway, specifically, is a kind of curb slding form operation method.
Background technology
Aspect Highway Construction Machinery, the curb construction equipment of concrete road is worked out multiple advanced person's slip-form machine equipment abroad.Domestic construction of the highway technique lays particular emphasis on first prefabricated curb more, and then curb is installed, and engineering time of causing highway to be built is long, road evenness is poor, cost is high.
Therefore the method for first prefabricated rear installation of known curb exists above-mentioned all inconvenience and problem.
Summary of the invention
Object of the present invention, is to propose a kind of traditional curb construction method of overturning, and adopts automatic slip-form machine can keep the curb slding form operation method of stable shaped curb without shuttering supporting along the cast-in-place formation of the automatic sliding formwork of wire rope of unwrapping wire.
For achieving the above object, technical solution of the present invention is:
A kind of curb slding form operation method, the crown slope of highway is 2%(roadbed center and the ratio of the high difference in shoulder with horizontal range between the two), curb horizontal wall inscription is 3%(curb inner side and the ratio of the discrepancy in elevation of outer ledge with both horizontal widths), it is characterized in that comprising the following steps:
A, curb basic unit provide
When curb basic unit is earth shoulder, press drawing and guarantee the curb making groove dimensions degree of depth, and smooth compacting is carried out in side and bottom surface, degree of compaction should meet designing requirement, planeness deviation is less than 20mm, or when curb basic unit is sub-surface, slot by figure paper size, and check whether curb compactness of subbase meets designing requirement;
B, the setting-out of curb sideline
Curb straightway carries out sideline setting-out according to checking Hou road center line, after setting-out, on roadbed side slope, erects 1 reinforcing bar vertical rod every 20～25m, fixes steel wire criterion in reinforcing bar vertical rod, draws steel wire criterion to position, and adopts level gauge to measure criterion absolute altitude; To reinforcing bar, vertical rod is encrypted measurement setting-out to curb curved section, and adjacent reinforcing bar vertical rod Separation control is at 5～10m;
C, curb slip-form machine are in place
One curb slip-form machine is provided, according to construction lofting result, curb slip-form machine position is set, set the translational speed of curb slip-form machine, the accuracy of detecting sensor to absolute altitude and linear response, and control device and sensor avoid drenching with rain, being exposed to the sun as far as possible, obvious curb slip-form machine recoil simulator and warning mark are set;
D, concrete mixing and transportation
Concrete strength label meets designing requirement, adopts P.O42.5 cement, and coarse aggregate adopts the rubble that is not more than 16.5mm, fines adopts medium sand, and between grain fineness number modulus 1.8～2.4, sand coarse aggregate ratio is not more than 45%, concrete water-cement ratio is not more than 0.55, between slump 140～200mm; Solidifying native mix is controlled within 3 hours with being transported to pave;
E, pave
Make curb slip-form machine along the steel wire criterion arranging in step b, by controlling slip-form machine height, linearity and levelness sensor-based system, can keep stable shaped curb according to curb is linear without shuttering supporting with the cast-in-place formation of the automatic sliding formwork of absolute altitude; Moistening in the surface watering of the steady crushed rock base course of water before paving; Strict skew and the torsion of controlling curb in paving process, slip-form machine is rectified a deviation, entangled and turn round operation, and constructor is under unified command, and the position of each switch is accurate, and conform to selected control method, low carry out by the method that Design of Construction Organization is predetermined; The inlet amount of concrete, mortar feed hopper should guarantee the continuity paving, and conforms to the frequency of vibrating; Operating speed, once selected, keep stable, reduces and shuts down the number of starts as far as possible, to guarantee spreading quality; In paving process, note longitudinal trend of curb, the off normal pointer of direction sensor is answered contraposition, and sensor should be paid close attention in the crossing that operating radius is less, prevents that sensor disengaging from going offline; According to concrete supply situation and the spreading quality control speed that paves be≤2Km/h;
F, top of concrete mortar laying
Curb slip-form machine is the thick mortar of uniform spreading 2mm on curb, guarantees the construction workability of mortar, and a small amount of sliding agent of admixture, to eliminate the bubble of concrete surface; The stirring mortar of not timing in the time that top of concrete mortar laying is constructed is in case mortar sinking;
G, the processing of artificial light face
After curb moulding 6～10m, curb is carried out to light face with shaping jig, eliminate the vestige that machine stays;
H, maintenance
Cover the curb of moulding with overburdens such as gunnysacks, heat, in conjunction with curb drying regime, moistening overburden is to assist maintenance, and curing time is 7 days;
I, joint-cutting and joint filling
For preventing curb fracture, to curb every 12～20m length the expansion joint (E.J.) with 18～22mm width of cutting machine cutting, and with cystosepiment and asphalt joint filler joint filling, after maintenance is expired, slot joint filling in time.
Curb slding form operation method of the present invention can also be further achieved by the following technical measures.
Aforesaid method, in wherein said step b, also comprises the crossing setting-out of curb small radius, in conjunction with CAD graphics software and the drawing coordinate measuring and calculating center of circle of circular arc and the angle of bend, distance, to assist total powerstation setting-out;
Aforesaid method, in wherein said step c, the slip-form machine with hydraulic system after hydraulic system pass the test, give again in place.
Aforesaid method, in wherein said step e, also comprise by design and the definite concrete mix of test room and carry out 100m length test section examination paving, checking is according to the compactness of concrete mix making curb and moulding situation, intensity of test block is greater than 30MPa, as do not meet quality acceptance standard, adjust match ratio, whether the curb that checks moulding after adjustment in paving process subsides, need to reduce water/binder ratio if subside, should reduce in time the reinforcement of concrete water yield until do not subside, to meet design and quality acceptance standard, when construction, use the match ratio of empirical tests.
Aforesaid method, in wherein said step f, the fine sand in mortar: cement: the ratio of water is 2:1:0.5.
Aforesaid method, in wherein said step c, curb slip-form machine is the HT360/j type slip-form machine of being manufactured by Lulong, Qinhuangdao Hua Tong Engineering Machinery Plant.
Aforesaid method, in wherein said step c, curb slip-form machine is the full-automatic border stone slip-form machine of GZD type of being manufactured by Lulong County, Qinhuangdao Jia Cheng machine making factory.
Aforesaid method, in wherein said step I, asphalt joint filler must carry out the cementation of fissures in the situation that slot is dry, sticks, does not closely seep water with concrete slotted wall; The influx height of asphalt joint filler winter will be slightly lower than end face; Heat should constantly stir while filling with pointing heating, to set point of temperature; When the cementation of fissures, should note keeping the clean and tidy of curb, first some French chalk of spreading on joint-cutting both sides, treat to clean totally after the cementation of fissures.
Adopt after technique scheme, curb slding form operation method of the present invention has the following advantages:
1, save the loaded down with trivial details operation that tradition is prefabricated, install and transport curb, curb is made simple and clear, linear more smooth, attractive in appearance, seam is few, and color and luster is consistent;
2, greatly increase the application life of curb, reduce maintenance costs;
3, reduce engineering cost.
Accompanying drawing explanation
Fig. 1 is screed wire rope absolute altitude schematic diagram of the present invention;
Fig. 2 is curb slding form operation schematic diagram of the present invention.
In figure: 1 roadbed, 2 roadbed center lines, 3 curbs, 4 absolute altitudes that pave, 5 curb draining horizontal wall inscriptions, 6 wire rope, 7 expansion joint (E.J.)s, the dynamical system of 8 curb slip-form machines, 9 concrete feed hoppers, 10 mortar feed hoppers.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Embodiment 1
Curb slding form operation method of the present invention, is characterized in that comprising the following steps:
A, curb basic unit provide
Curb basic unit is earth shoulder, guarantees the curb making groove dimensions degree of depth, and smooth compacting is carried out in side and bottom surface by drawing, and degree of compaction should be greater than designing requirement, and planeness deviation is less than 20mm.
B, the setting-out of curb sideline
Curb straightway carries out sideline setting-out according to checking Hou road center line, after setting-out, on roadbed side slope, erects 1 reinforcing bar vertical rod every 25m, fixes steel wire criterion in reinforcing bar vertical rod, draws steel wire criterion to position, and adopts level gauge to measure criterion absolute altitude; To reinforcing bar, vertical rod is encrypted measurement setting-out to curb curved section, and adjacent reinforcing bar vertical rod Separation control is at 10m; Also comprise the crossing setting-out of curb small radius, in conjunction with CAD graphics software and the drawing coordinate measuring and calculating center of circle of circular arc and the angle of bend, distance, to assist total powerstation setting-out.
C, curb slip-form machine are in place
HT360/j type curb slip-form machine is provided, according to construction lofting result, curb slip-form machine position is set, set the translational speed 1.5Km/h of curb slip-form machine, the accuracy of detecting sensor to absolute altitude and linear response, and control device and sensor avoid drenching with rain, being exposed to the sun as far as possible, obvious curb slip-form machine recoil simulator and warning mark are set; The slip-form machine with hydraulic system after hydraulic system pass the test, give again in place.Curb slip-form machine is the HT360/j type slip-form machine of being manufactured by Lulong, Qinhuangdao Hua Tong Engineering Machinery Plant.
D, concrete mixing and transportation
Concrete strength label meets designing requirement, adopts P.O42.5 cement, the rubble of maximum size of coarse aggregate 15mm, and fines adopts medium sand, and between grain fineness number modulus 1.8～2.4, sand coarse aggregate ratio is 40% left and right, and concrete water-cement ratio is 0.5, and slump is 160mm; Solidifying native mix is controlled within 3 hours with being transported to pave;
E, pave
Make curb slip-form machine along the steel wire criterion arranging in step b, by controlling slip-form machine height, linearity and levelness sensor-based system, can keep stable shaped curb according to curb is linear without shuttering supporting with the cast-in-place formation of the automatic sliding formwork of absolute altitude; Moistening in the surface watering of the steady crushed rock base course of water before paving; Strict skew and the torsion of controlling curb in paving process, slip-form machine is rectified a deviation, entangled and turn round operation, and constructor is under unified command, and the position of each switch is accurate, and conform to selected control method, low carry out by the method that Design of Construction Organization is predetermined; The inlet amount of concrete, mortar feed hopper should guarantee the continuity paving, and conforms to the frequency of vibrating; Also comprise by design and the definite concrete mix of test room and carry out 100m length test section examination paving, checking is according to the compactness of concrete mix making curb and moulding situation, intensity of test block is greater than 30MPa, as do not meet quality acceptance standard, adjust match ratio, whether the curb that checks moulding after adjustment in paving process subsides, need to reduce water/binder ratio if subside, should reduce in time the reinforcement of concrete water yield until do not subside, to meet design and quality acceptance standard, when construction, use the match ratio of empirical tests.Operating speed, once selected, keep stable, reduces and shuts down the number of starts as far as possible, to guarantee spreading quality; In paving process, note longitudinal trend of curb, the off normal pointer of direction sensor is answered contraposition, and sensor should be paid close attention in the crossing that operating radius is less, prevents that sensor disengaging from going offline; Be 1.5Km/h according to concrete supply situation and the spreading quality control speed of paving.
F, top of concrete mortar laying
Curb slip-form machine is the thick mortar of uniform spreading 2mm on curb, guarantees the construction workability of mortar, and a small amount of sliding agent of admixture, to eliminate the bubble of concrete surface; The stirring mortar of not timing in the time that top of concrete mortar laying is constructed is in case mortar sinking; Fine sand in mortar: cement: the ratio of water is 2:1:0.5.
G, the processing of artificial light face
After curb moulding 10m, curb is carried out to light face with shaping jig, eliminate the vestige that machine stays;
H, maintenance
Cover the curb of moulding with overburdens such as gunnysacks, heat, in conjunction with curb drying regime, moistening overburden is to assist maintenance, and curing time is 7 days;
I, joint-cutting and joint filling
For preventing curb fracture, to curb every 20m length the expansion joint (E.J.) with a 18mm width of cutting machine cutting, and in the situation that slot is dry, carry out the cementation of fissures with cystosepiment joint filling bound bitumen joint sealing material, stick, closely do not seep water with concrete slotted wall; The influx height of asphalt joint filler winter will be slightly lower than end face; Heat should constantly stir while filling with pointing heating, to set point of temperature; When the cementation of fissures, should note keeping the clean and tidy of curb, first some French chalk of spreading on joint-cutting both sides, treat to clean totally after the cementation of fissures.
Except curb ground mass layer in step a is sub-surface; slot by figure paper size; and check whether curb compactness of subbase meets designing requirement and curb slip-form machine is that outside the full-automatic border stone slip-form machine of GZD type of being manufactured by Lulong County, Qinhuangdao Jia Cheng machine making factory, all the other are with embodiment 1.Adopt full-automatic border stone slip-form machine to make construction sequence more smooth, curb laying quality is higher.
Curb slding form operation method of the present invention is also applicable to curb stone and road kerb construction.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (7)
1. a curb slding form operation method, the crown slope of highway is 2%, curb horizontal wall inscription is 3%, it is characterized in that comprising the following steps:
A, curb basic unit provide
When curb basic unit is earth shoulder, press drawing and guarantee the curb making groove dimensions degree of depth, and smooth compacting is carried out in side and bottom surface, degree of compaction should be greater than designing requirement, planeness deviation is less than 20mm, or when curb basic unit is sub-surface, slot by figure paper size, and check whether curb compactness of subbase meets designing requirement;
B, the setting-out of curb sideline
Curb straightway carries out sideline setting-out according to checking Hou road center line, after setting-out, on roadbed side slope, erects 1 reinforcing bar vertical rod every 20～25m, fixes steel wire criterion in reinforcing bar vertical rod, draws steel wire criterion to position, and adopts level gauge to measure criterion absolute altitude; To reinforcing bar, vertical rod is encrypted measurement setting-out to curb curved section, and adjacent reinforcing bar vertical rod Separation control is at 5～10m;
C, curb slip-form machine are in place
One curb slip-form machine is provided, according to construction lofting result, curb slip-form machine position is set, set the translational speed of curb slip-form machine, the accuracy of detecting sensor to absolute altitude and linear response, and control device and sensor avoid drenching with rain, being exposed to the sun as far as possible, obvious curb slip-form machine recoil simulator and warning mark are set;
D, concrete mixing and transportation
Concrete strength label meets designing requirement, adopts P.O42.5 cement, and coarse aggregate adopts the rubble that is not more than 16.5mm, fines adopts medium sand, and between grain fineness number modulus 1.8～2.4, sand coarse aggregate ratio is not more than 45%, concrete water-cement ratio is not more than 0.55, between slump 140～200mm; Solidifying native mix is controlled within 3 hours with being transported to pave;
E, pave
Make curb slip-form machine along the steel wire criterion arranging in step b, by controlling slip-form machine height, linearity and levelness sensor-based system, can keep stable shaped curb according to curb is linear without shuttering supporting with the cast-in-place formation of the automatic sliding formwork of absolute altitude; Moistening in the surface watering of the steady crushed rock base course of water before paving; Strict skew and the torsion of controlling curb in paving process, slip-form machine is rectified a deviation, entangled and turn round operation, and constructor is under unified command, and the position of each switch is accurate, and conform to selected control method, low carry out by the method that Design of Construction Organization is predetermined; The inlet amount of concrete, mortar feed hopper should guarantee the continuity paving, and conforms to the frequency of vibrating; Operating speed, once selected, keep stable, reduces and shuts down the number of starts as far as possible, to guarantee spreading quality; In paving process, note longitudinal trend of curb, the off normal pointer of direction sensor is answered contraposition, and sensor should be paid close attention in the crossing that operating radius is less, prevents that sensor disengaging from going offline; According to concrete supply situation and the spreading quality control speed that paves be≤2Km/h;
F, top of concrete mortar laying
Curb slip-form machine is the thick mortar of uniform spreading 2mm on curb, guarantees the construction workability of mortar, and a small amount of sliding agent of admixture, to eliminate the bubble of concrete surface; The stirring mortar of not timing in the time that top of concrete mortar laying is constructed is in case mortar sinking;
G, the processing of artificial light face
After curb moulding 6～10m, curb is carried out to light face with shaping jig, eliminate the vestige that machine stays;
H, maintenance
Cover the curb of moulding with overburdens such as gunnysacks, heat, in conjunction with curb drying regime, moistening overburden is to assist maintenance, and curing time is 7 days;
I, joint-cutting and joint filling
For preventing curb fracture, to curb every 12～20m length the expansion joint (E.J.) with 18～22mm width of cutting machine cutting, and with cystosepiment and asphalt joint filler joint filling, after maintenance is expired, slot joint filling in time.
2. curb slding form operation method as claimed in claim 1, it is characterized in that, in described step b, also comprise the crossing setting-out of curb small radius, in conjunction with CAD graphics software and the drawing coordinate measuring and calculating center of circle of circular arc and the angle of bend, distance, to assist total powerstation setting-out;
Curb slding form operation method as claimed in claim 1, is characterized in that, in described step c, the slip-form machine with hydraulic system after hydraulic system pass the test, give again in place.
3. curb slding form operation method as claimed in claim 1, is characterized in that, in described step c, curb slip-form machine is the HT360/j type slip-form machine of being manufactured by Lulong, Qinhuangdao Hua Tong Engineering Machinery Plant.
4. curb slding form operation method as claimed in claim 1, is characterized in that, in described step c, curb slip-form machine is the full-automatic border stone slip-form machine of GZD type of being manufactured by Lulong County, Qinhuangdao Jia Cheng machine making factory.
5. curb slding form operation method as claimed in claim 1, it is characterized in that, in described step e, also comprise by design and the definite concrete mix of test room and carry out 100m length test section examination paving, checking is according to the compactness of concrete mix making curb and moulding situation, intensity of test block is greater than 30MPa, as do not meet quality acceptance standard, adjust match ratio, whether the curb that checks moulding after adjustment in paving process subsides, need to reduce water/binder ratio if subside, should reduce in time the reinforcement of concrete water yield until do not subside, to meet design and quality acceptance standard, when construction, use the match ratio of empirical tests.
6. curb slding form operation method as claimed in claim 1, is characterized in that, in described step f, and the fine sand in mortar: cement: the ratio of water is 2:1:0.5.
7. curb slding form operation method as claimed in claim 1, is characterized in that, described asphalt joint filler must carry out the cementation of fissures in the situation that slot is dry, sticks, does not closely seep water with concrete slotted wall; The influx height of asphalt joint filler winter will be slightly lower than end face; Heat should constantly stir while filling with pointing heating, to set point of temperature; When the cementation of fissures, should note keeping the clean and tidy of curb, first some French chalk of spreading on joint-cutting both sides, treat to clean totally after the cementation of fissures.
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| CN201210484045.1A CN103835205A (en) | 2012-11-26 | 2012-11-26 | Construction method for road edge stone sliding mode |
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| CN201210484045.1A CN103835205A (en) | 2012-11-26 | 2012-11-26 | Construction method for road edge stone sliding mode |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064163A (en) * | 2015-03-19 | 2015-11-18 | 南通大学 | Cement stabilization macadam base layer ultrahigh reverse slope section one-time molding construction method |
| CN108301293A (en) * | 2018-02-06 | 2018-07-20 | 广州市佑安土木工程有限公司 | A kind of construction method of road surface steady layer of water and appurtenant work |
| CN108316076A (en) * | 2018-01-23 | 2018-07-24 | 刘全 | A kind of closely knit making construction method of highway earth shoulder sliding formwork pressure |
| CN111119003A (en) * | 2019-12-26 | 2020-05-08 | 中铁二十三局集团第一工程有限公司 | Cast-in-place curb construction method |
| CN112030680A (en) * | 2020-07-15 | 2020-12-04 | 中交第一航务工程局有限公司 | Curb slip form construction process |
| CN115125801A (en) * | 2022-06-24 | 2022-09-30 | 保利长大工程有限公司 | Construction process of shoulder sand-free macroporous concrete slip form |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064163A (en) * | 2015-03-19 | 2015-11-18 | 南通大学 | Cement stabilization macadam base layer ultrahigh reverse slope section one-time molding construction method |
| CN108316076A (en) * | 2018-01-23 | 2018-07-24 | 刘全 | A kind of closely knit making construction method of highway earth shoulder sliding formwork pressure |
| CN108301293A (en) * | 2018-02-06 | 2018-07-20 | 广州市佑安土木工程有限公司 | A kind of construction method of road surface steady layer of water and appurtenant work |
| CN108301293B (en) * | 2018-02-06 | 2020-07-03 | 广州市佑安土木工程有限公司 | Construction method of road surface water stabilization layer and auxiliary engineering |
| CN111119003A (en) * | 2019-12-26 | 2020-05-08 | 中铁二十三局集团第一工程有限公司 | Cast-in-place curb construction method |
| CN112030680A (en) * | 2020-07-15 | 2020-12-04 | 中交第一航务工程局有限公司 | Curb slip form construction process |
| CN115125801A (en) * | 2022-06-24 | 2022-09-30 | 保利长大工程有限公司 | Construction process of shoulder sand-free macroporous concrete slip form |
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Application publication date: 20140604 |