CN112064446A - Curb mechanical operation construction method - Google Patents
Curb mechanical operation construction method Download PDFInfo
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- CN112064446A CN112064446A CN202010747141.5A CN202010747141A CN112064446A CN 112064446 A CN112064446 A CN 112064446A CN 202010747141 A CN202010747141 A CN 202010747141A CN 112064446 A CN112064446 A CN 112064446A
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- kerbstone
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/221—Kerbs or like edging members, e.g. flush kerbs, shoulder retaining means ; Joint members, connecting or load-transfer means specially for kerbs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
- B28D1/24—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising with cutting discs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The invention discloses a curb mechanized operation construction method, which comprises the following steps: the method comprises the following steps: construction preparation, which ensures continuous and effective construction; step two: measuring and lofting; step three: grooving for the kerbstones; step four: installing a curb and cleaning a field; step five: and (4) curing and protecting finished products, namely covering the finished products by using a plastic film for protecting and curing, wherein the curing period of the kerbstone is not less than 3d, and collision is strictly prevented in the period. According to the curb mechanical operation construction method, the traditional construction method is reformed and innovated, the grooving depth is ensured through a longitudinal slope control system, the clamping piece is improved to control the width of the adjacent block seam, the construction is simplified by using advanced instruments and equipment, the construction flatness of the curb is ensured, the filling is ensured to be full and full by using small tools, the construction quality is effectively improved, and the construction cost is saved; has obvious economic benefit and social benefit and very wide application prospect.
Description
Technical Field
The invention relates to the technical field of municipal road construction, in particular to a curb mechanized operation construction method.
Background
The curb installation is the indispensable construction link in the town road construction, the curb construction has the status of lifting the weight in the town road work progress, along with the gradual implementation of national municipal works, the curb construction will have more and more town road project implementation, and curb construction work will also be more onerous, along with the rapid development of china's infrastructure, will have more and more town road construction project implementation, and curb construction work will also be more onerous.
Through comparative analysis, in traditional curb work progress, there are many uncontrollable factors, like:
(1) during grooving construction, errors exist in the elevation of the roadbed base layer, and the grooving machine cannot guarantee the grooving depth;
(2) the adjacent block clamping plate is easy to fall off, and the seam width of the adjacent block cannot be effectively ensured;
(3) the leveling instrument has high elevation control operation frequency, and is easy to generate errors to cause rework;
(4) the width of the seam between adjacent blocks is small, and the filling is full and full during construction.
Therefore, the elimination of uncontrollable factors during construction is particularly important for the quality of curb construction, and a mechanical curb operation construction method is provided so as to solve the problems.
Disclosure of Invention
The invention aims to provide a mechanical operation construction method for a curb, which aims to solve the problem that a plurality of uncontrollable factors exist in the conventional curb construction process proposed by the background technology, such as: during grooving construction, errors exist in the elevation of the roadbed base layer, and the grooving machine cannot guarantee the grooving depth; the adjacent block clamping plate is easy to fall off, and the seam width of the adjacent block cannot be effectively ensured; the leveling instrument has high elevation control operation frequency, and is easy to generate errors to cause rework; the width of the adjacent block is small, and the filling can not be ensured to be full and full in the construction process.
In order to achieve the purpose, the invention provides the following technical scheme: a curb mechanized operation construction method comprises the following steps:
the method comprises the following steps: construction preparation, which ensures continuous and effective construction;
step two: measuring and lofting;
step three: grooving for the kerbstones;
step four: installing a curb and cleaning a field;
step five: and (4) curing and protecting finished products, namely covering the finished products by using a plastic film for protecting and curing, wherein the curing period of the kerbstone is not less than 3d, and the period is strictly collision-proof.
Preferably, the construction preparation in the first step includes the following steps:
step 1: the kerbstone is inspected, the kerbstone is inspected to be flat, obvious concave-convex phenomenon, obvious saw blade traces and eight edges and corners cannot be subjected to pit defect, edge collapse and corner defect, cracks cannot exist in the kerbstone, color spots or color lines which obviously affect the appearance cannot be generated, obvious color difference is guaranteed not to exist, the coordination of the whole color is guaranteed, and the situations of dyeing, electrolysis and the like cannot exist in the stone texture;
step 2: the kerbstone is transported, and the kerbstone is guaranteed not to collide and is lightly taken and placed in the transportation process, so that the kerbstone is prevented from being damaged;
and step 3: equipment instrument preparation.
Preferably, the step two of lofting measurement refers to sequentially measuring the boundary of the road surface after checking that the center line of the road is correct, lofting the sideline of the road, and determining the side pile to control the direction and the elevation.
Preferably, a steel strand can be pulled between the side piles of the straight line segment to serve as a pilot rope, and the pile distance is 10 m; the side piles are encrypted according to the design radius of the curve bend and the cross road section, the pile distance is 5m, the pile distance at the intersection is 1-5m, and the size of the curve arc is ensured.
Preferably, the kerb grooving comprises the following steps:
and 4, step 4: after the side pile lofting is finished, measuring the top elevation of the curb stone, drilling a steel chisel support, hanging a steel strand and adjusting the elevation of the steel strand according to the elevation value to be used as a longitudinal slope base line;
and 5: and a control system of the longitudinal slope of the cutter head of the kerbstone grooving machine is utilized to enable the sensor control arm to move along the top surface of the steel wire, so that the grooving depth of the kerbstone is ensured.
Preferably, in the step 5, the grooving depth is accurately controlled by the cutter head longitudinal slope control system through an elastic adjustable control arm.
Preferably, the step four curb installation comprises the following steps:
step 6: cleaning the foundation and keeping the foundation moist;
and 7: the mounting of the curb, the thickness of the bedding mortar is 3cm, and the curb and the pavement are not allowed to be polluted;
and 8: installing the curb according to the paying-off position, and monitoring the flatness and the top elevation of the curb in real time by using a laser leveling instrument during installation;
and step 9: the kerbstone is smoothly built, the adjacent granite kerbstone seams are controlled by self-made splints with the thickness of 5mm, the adjacent concrete kerbstone seams are controlled by self-made splints with the thickness of 8mm, the seam widths of the adjacent kerbstones are uniform, and the kerbstones and the road surface have no seam and no water leakage;
step 10: the number of the kerbstones at each section of the intersection is calculated in advance, the kerbstone adjusting blocks are formed by mechanical cutting, the kerbstones are smoothly connected with openings and structures when being installed, the lines are straight, and the curves are smooth and attractive;
step 11: after the kerbstone is installed, the backfill soil for tamping the compact auxiliary road or the back of the central belt is backfilled in time.
Preferably, in the step 7, mortar of the mortar cushion layer is strictly mixed according to the mixing ratio provided by a laboratory, the mortar adopts fine sand, and the cushion layer adopts concrete; 1:3 cement mortar bedding proportion is controlled, a platform scale is arranged on site, and gravel and water are respectively measured by standard barrels according to the weight of each bag of cement and the weight of gravel water.
Preferably, the working method of the laser swinger in the step 8 is as follows:
a: and installing a laser swinger, and setting a gradient according to design requirements. The photoelectric scanned lines are at the same height under the condition of leveling of the instrument.
And B, after the laser leveling instrument works, standing on the top surface of the curb by using a tower ruler for detection, and determining the smoothness of the installation of the curb according to the elevation of laser scanning.
And C, when the measured data is smaller than the allowable error of the installation of the curb, the installation quality meets the acceptance standard of the relevant curb, otherwise, the curb is adjusted until the curb meets the standard requirement.
Preferably, after the kerbstones in the fourth step are installed, the laser leveling instrument is used for detecting the kerbstones one by one, the kerbstones are adjusted to be straight, smooth and flat, the plane and top elevations of the kerbstones are detected, and the adjustment is carried out when the plane and top elevations exceed the standard allowable error;
simultaneously, jointing the kerbs by adopting a joint filling material meeting the design requirement after the straightness and smoothness of the kerbs are qualified, removing soil and sundries in the kerbs before jointing, wetting the kerbs by using water, filling the kerbs by using the material meeting the design requirement, tightly filling the joints, leveling the joints, pressing the joints into a concave shape by using a curved surface press, enabling the joints of the adjacent kerbs to be uniform and tight, and enabling the kerbs to have no gap with the road surface and no water leakage;
meanwhile, the kerbstone pointing adopts a self-made duckbill pressure gun to perform joint filling construction: the injection port is inserted into gaps of adjacent blocks of the kerbstone, and the kerbstone gap filler is injected from bottom to top, so that the surface of the kerbstone cannot be polluted in the injection process, and the uniform and dense filling of the gaps of the kerbstone is ensured.
Compared with the prior art, the invention has the beneficial effects that: this curb mechanized operation construction method has apparent improvement and promotion to curb construction quality, to the problem that appears in the curb construction: the problems of slotting depth, seam width control, installation straightness, jointing construction and the like are analyzed and summarized, a traditional construction method is reformed and innovated, and the construction quality is effectively improved and the construction cost is saved by adopting measures of ensuring the slotting depth through a longitudinal slope control system, improving clamping pieces to control the seam width of adjacent blocks, simplifying construction by utilizing advanced instruments and equipment to ensure the construction straightness of kerbs, ensuring full and full jointing by utilizing small tools and the like. The method has remarkable economic benefit and social benefit and has very wide application prospect;
1. the steel strand control elevation is used as a walking base line of the grooving machine, and a longitudinal slope control system of a cutter head of the curb grooving machine is used for ensuring the grooving depth and linearity to be smooth;
2. the width of a seam between adjacent kerbs is controlled by self-making small buckling sheet tools, so that the slab staggering between adjacent blocks is ensured to be uniform;
3. monitoring the elevation of the top of the kerbstone in real time by using a laser leveling instrument, and ensuring the smoothness of the installation of the kerbstone;
4. and the self-made duckbilled pressure gun is utilized to ensure that gaps between adjacent kerbs are filled uniformly and fully.
Drawings
FIG. 1 is a schematic view of the construction process of the present invention;
FIG. 2 is a schematic diagram of a longitudinal slope control system retrofit of the present invention;
FIG. 3 is a schematic view of the operation of the laser swinger of the present invention;
FIG. 4 is a schematic view of a kerb seam width control elevation of the present invention;
FIG. 5 is a schematic view of the caulking elevation of the pressure gun of the present invention 1;
FIG. 6 is a schematic elevational view of the pressure gun caulking of the present invention 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a curb mechanized operation construction method comprises the following steps: the method comprises the following steps: construction preparation, which ensures continuous and effective construction; step two: measuring and lofting; step three: grooving for the kerbstones; step four: installing a curb and cleaning a field; step five: and (4) curing and protecting finished products, namely covering the finished products by using a plastic film for protecting and curing, wherein the curing period of the kerbstone is not less than 3d, and collision is strictly prevented in the period.
Further, the construction preparation in the first step comprises the following steps: step 1: the kerbstone is inspected, the kerbstone is inspected to be flat, obvious concave-convex phenomenon, obvious saw blade traces and eight edges and corners cannot be subjected to pit defect, edge collapse and corner defect, cracks cannot exist in the kerbstone, color spots or color lines which obviously affect the appearance cannot be generated, obvious color difference is guaranteed not to exist, the coordination of the whole color is guaranteed, and the situations of dyeing, electrolysis and the like cannot exist in the stone texture; step 2: the kerbstone is transported, and the kerbstone is guaranteed not to collide and is lightly taken and placed in the transportation process, so that the kerbstone is prevented from being damaged; and step 3: the equipment instrument prepares, mainly carry out the curb groover, fork truck, the transport vechicle, the laser is swept the spirit level, the preparation of spirit level, prepare curb and cement mortar simultaneously, before the installation, use small-size fork truck to transport the installation site interval and put things in good order, along with using along with the transportation, the installation back, remaining curb in time transports appointed place, cover and establish safe suggestion sign with green net, the machining tolerance requirement of curb is as following table 1 simultaneously.
TABLE 1 machine-tooled Stone curb tolerance
Furthermore, the step two of measuring lofting refers to that after the center line of the road is checked to be correct, the boundary of the road surface is measured in sequence, the border line lofting of the road is carried out, and a border pile is determined to control the direction and the elevation.
Further, a steel strand can be pulled between the side piles of the straight line segment to serve as a pilot rope, and the pile distance is 10 m; the side piles are encrypted according to the design radius of the curve bend and the cross road section, the pile distance is 5m, the pile distance at the intersection is 1-5m, and the size of the curve arc is ensured.
The invention further provides a kerb grooving method, which comprises the following steps: and 4, step 4: after the side pile lofting is finished, measuring the top elevation of the curb stone, drilling a steel chisel support, hanging a steel strand and adjusting the elevation of the steel strand according to the elevation value to be used as a longitudinal slope base line; and 5: and a control system of the longitudinal slope of the cutter head of the kerbstone grooving machine is utilized to enable the sensor control arm to move along the top surface of the steel wire, so that the grooving depth of the kerbstone is ensured.
Further, in the invention, in step 5, the grooving depth is accurately controlled by the cutter head longitudinal slope control system by using an elastic adjustable control arm, as shown in fig. 2.
The grooving process comprises the following steps: the main principle is that two engines are arranged in a grooving machine as a main power system, a front engine controls the grooving machine to travel, a rear engine controls a cutter disc of the grooving machine to rotate, the cutter disc is driven by the engine to synchronously reciprocate and oppositely move, so that a roadbed base layer is cut and crushed, the cutter disc rapidly rotates and reciprocates in opposite directions in a groove body, and the effect of trimming the groove wall is achieved; the front engine drives the grooving machine to move according to the side line of the roadbed, and a regular slotted hole with a rectangular section can be formed.
The mounting process comprises the following steps: the mounting process is to mount the curb in the constructed slot hole. Cement mortar stirred according to the design mixing proportion is spread at the bottom of the groove, the spreading thickness is 3cm, then the kerbstone is sequentially installed in the groove body according to the designed elevation at the top, the back is poured after the smoothness of the kerbstone is adjusted, and the installation can be completed after the pointing treatment.
The invention further comprises the following steps of installing the curb in the fourth step: step 6: cleaning the foundation and keeping the foundation moist; and 7: the mounting of the curb, the thickness of the bedding mortar is 3cm, and the curb and the pavement are not allowed to be polluted; and 8: installing the curb according to the paying-off position, and monitoring the flatness and the top elevation of the curb in real time by using a laser leveling instrument during installation; and step 9: the kerbstone is smoothly built, the adjacent granite kerbstone seams are controlled by self-made splints with the thickness of 5mm, the adjacent concrete kerbstone seams are controlled by self-made splints with the thickness of 8mm, the seam widths of the adjacent kerbstones are uniform, and the kerbstones and the road surface have no seam and no water leakage; step 10: the number of the kerbstones at each section of the intersection is calculated in advance, the kerbstone adjusting blocks are formed by mechanical cutting, the kerbstones are smoothly connected with openings and structures when being installed, the lines are straight, and the curves are smooth and attractive; step 11: after the kerbstone is installed, timely backfilling and ramming dense auxiliary roads or backfill soil with a back in the center; the use method of the self-made small buckle sheet tool comprises the following steps: the self-control buckle thin slice gadget adopts adjustable device control buckle thin slice thickness, can control the seam width between the adjacent piece according to the curb stone control of different materials, and the baffle is established on upper portion, avoids buckle thin slice to drop in the work progress. During construction, the thickness of the clamping plate is determined according to the material of the kerbstone and adjusted to the thickness meeting the construction requirement, then the buckle thin sheet is placed on the first kerbstone, the second kerbstone is abutted against the clamping plate, the second kerbstone is fixed after the levelness and the straightness of the kerbstone meet the requirement, the small tool for the buckle thin sheet is taken out immediately, the installation of the adjacent blocks is completed, and the concrete operation is as shown in figure 3.
Further, in the step 7, mortar of a mortar cushion layer is mixed strictly according to the mixing ratio provided by a laboratory, the mortar adopts fine sand, and the cushion layer adopts concrete; 1:3 cement mortar bedding proportion is controlled, a platform scale is arranged on site, and gravel and water are respectively measured by standard barrels according to the weight of each bag of cement and the weight of gravel water.
The invention further provides a working method of the laser swinger in the step 8, which comprises the following steps: a: and installing a laser swinger, and setting a gradient according to design requirements. The photoelectric scanned lines are at the same height under the condition of leveling of the instrument. And B, after the laser leveling instrument works, standing on the top surface of the curb by using a tower ruler for detection, and determining the smoothness of the installation of the curb according to the elevation of laser scanning. And C, when the measured data is smaller than the mounting allowable error of the curb, the mounting quality meets the relevant curb acceptance standard, otherwise, the curb is adjusted until the curb meets the standard requirement, and the operation of the laser leveling instrument is shown in figure 3.
Further, after the kerbstones are installed in the fourth step, the laser planometer is used for detecting the kerbstones one by one, the kerbstones are adjusted to be straight, smooth and flat, the elevation of the plane and the top of the kerbstones are detected, and when the elevation of the plane and the top of the kerbstones exceeds a standard allowable error, the adjustment is carried out, wherein the allowable deviation of the installation of the kerbstones in the construction method is as shown in the following table 2.
TABLE 2 curb installation tolerance
Meanwhile, as shown in the figures 5 and 6, after the straightness of the curb is qualified, jointing is carried out by adopting a joint filling material meeting the design requirement, soil and sundries in the curb joint are removed completely before jointing, the curb joint is wetted by water, then the curb joint is filled and compacted by using the material meeting the design requirement and then is hooked flat, and a curved surface presser is used for pressing the curb joint into a concave shape, so that the gap between adjacent curbs is uniform and compact, and the curb and the road surface have no gap and are watertight;
meanwhile, the kerbstone pointing adopts a self-made duckbill pressure gun to perform joint filling construction: the injection port is inserted into gaps of adjacent blocks of the kerbstone, and the kerbstone gap filler is injected from bottom to top, so that the surface of the kerbstone cannot be polluted in the injection process, and the uniform and dense filling of the gaps of the kerbstone is ensured.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. A curb mechanized operation construction method is characterized in that: the construction method comprises the following steps:
the method comprises the following steps: construction preparation, which ensures continuous and effective construction;
step two: measuring and lofting;
step three: grooving for the kerbstones;
step four: installing a curb and cleaning a field;
step five: and (4) curing and protecting finished products, namely covering the finished products by using a plastic film for protecting and curing, wherein the curing period of the kerbstone is not less than 3d, and the period is strictly collision-proof.
2. The kerbstone mechanical operation construction method according to claim 1, characterized in that: the construction preparation in the first step comprises the following steps:
step 1: the kerbstone is inspected, the kerbstone is inspected to be flat, obvious concave-convex phenomenon, obvious saw blade traces and eight edges and corners cannot be subjected to pit defect, edge collapse and corner defect, cracks cannot exist in the kerbstone, color spots or color lines which obviously affect the appearance cannot be generated, obvious color difference is guaranteed not to exist, the coordination of the whole color is guaranteed, and the situations of dyeing, electrolysis and the like cannot exist in the stone texture;
step 2: the kerbstone is transported, and the kerbstone is guaranteed not to collide and is lightly taken and placed in the transportation process, so that the kerbstone is prevented from being damaged;
and step 3: equipment instrument preparation.
3. The kerbstone mechanical operation construction method according to claim 1, characterized in that: and the step two of measuring lofting refers to sequentially measuring the boundary of the road surface after checking that the center line of the road is correct, lofting the sideline of the road, and determining an edge pile to control the direction and the elevation.
4. A kerbstone mechanized operation construction method according to claim 3, characterized in that: a steel strand can be pulled between the side piles of the straight line segment to be used as a pilot rope, and the pile distance is 10 m; the side piles are encrypted according to the design radius of the curve bend and the cross road section, the pile distance is 5m, the pile distance at the intersection is 1-5m, and the size of the curve arc is ensured.
5. The kerbstone mechanical operation construction method according to claim 1, characterized in that: the kerb grooving comprises the following steps:
and 4, step 4: after the side pile lofting is finished, measuring the top elevation of the curb stone, drilling a steel chisel support, hanging a steel strand and adjusting the elevation of the steel strand according to the elevation value to be used as a longitudinal slope base line;
and 5: and a control system of the longitudinal slope of the cutter head of the kerbstone grooving machine is utilized to enable the sensor control arm to move along the top surface of the steel wire, so that the grooving depth of the kerbstone is ensured.
6. The kerbstone mechanical operation construction method according to claim 5, characterized in that: and in the step 5, the cutter head longitudinal slope control system adopts an elastic adjustable control arm to accurately control the slotting depth.
7. The kerbstone mechanical operation construction method according to claim 1, characterized in that: the step four curb installation comprises the following steps:
step 6: cleaning the foundation and keeping the foundation moist;
and 7: the mounting of the curb, the thickness of the bedding mortar is 3cm, and the curb and the pavement are not allowed to be polluted;
and 8: installing the curb according to the paying-off position, and monitoring the flatness and the top elevation of the curb in real time by using a laser leveling instrument during installation;
and step 9: the kerbstone is smoothly built, the adjacent granite kerbstone seams are controlled by self-made splints with the thickness of 5mm, the adjacent concrete kerbstone seams are controlled by self-made splints with the thickness of 8mm, the seam widths of the adjacent kerbstones are uniform, and the kerbstones and the road surface have no seam and no water leakage;
step 10: the number of the kerbstones at each section of the intersection is calculated in advance, the kerbstone adjusting blocks are formed by mechanical cutting, the kerbstones are smoothly connected with openings and structures when being installed, the lines are straight, and the curves are smooth and attractive;
step 11: after the kerbstone is installed, the backfill soil for tamping the compact auxiliary road or the back of the central belt is backfilled in time.
8. The kerbstone mechanized operation construction method of claim 7, wherein: in the step 7, mortar of the mortar cushion layer is mixed strictly according to the mixing ratio provided by a laboratory, the mortar adopts fine sand, and the cushion layer adopts concrete; 1:3 cement mortar bedding proportion is controlled, a platform scale is arranged on site, and gravel and water are respectively measured by standard barrels according to the weight of each bag of cement and the weight of gravel water.
9. The kerbstone mechanical operation construction method according to claim 1, characterized in that: the working method of the laser swinger in the step 8 comprises the following steps:
a: and installing a laser swinger, and setting a gradient according to design requirements. The photoelectric scanned lines are at the same height under the condition of leveling of the instrument.
And B, after the laser leveling instrument works, standing on the top surface of the curb by using a tower ruler for detection, and determining the smoothness of the installation of the curb according to the elevation of laser scanning.
And C, when the measured data is smaller than the allowable error of the installation of the curb, the installation quality meets the acceptance standard of the relevant curb, otherwise, the curb is adjusted until the curb meets the standard requirement.
10. The kerbstone mechanical operation construction method according to claim 1, characterized in that: after the kerbstone in the fourth step is installed, detecting the kerbstones one by using a laser leveling instrument, adjusting the kerbstones to be straight, smooth and flat, detecting the plane and top elevations of the kerbstones, and adjusting when the plane and top elevations exceed the standard allowable error;
simultaneously, jointing the kerbs by adopting a joint filling material meeting the design requirement after the straightness and smoothness of the kerbs are qualified, removing soil and sundries in the kerbs before jointing, wetting the kerbs by using water, filling the kerbs by using the material meeting the design requirement, tightly filling the joints, leveling the joints, pressing the joints into a concave shape by using a curved surface press, enabling the joints of the adjacent kerbs to be uniform and tight, and enabling the kerbs to have no gap with the road surface and no water leakage;
meanwhile, the kerbstone pointing adopts a self-made duckbill pressure gun to perform joint filling construction: the injection port is inserted into gaps of adjacent blocks of the kerbstone, and the kerbstone gap filler is injected from bottom to top, so that the surface of the kerbstone cannot be polluted in the injection process, and the uniform and dense filling of the gaps of the kerbstone is ensured.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878152A (en) * | 2021-03-12 | 2021-06-01 | 中国一冶集团有限公司 | Multifunctional control device |
| CN113215919A (en) * | 2021-06-08 | 2021-08-06 | 中国二十二冶集团有限公司 | Border gap filling device |
| CN113322757A (en) * | 2021-05-19 | 2021-08-31 | 中国十七冶集团有限公司 | Construction method for ensuring installation quality of kerbstone |
| CN114934554A (en) * | 2022-05-31 | 2022-08-23 | 西安市第二市政工程公司 | Grooving process of ditcher |
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| CN112878152A (en) * | 2021-03-12 | 2021-06-01 | 中国一冶集团有限公司 | Multifunctional control device |
| CN112878152B (en) * | 2021-03-12 | 2023-10-24 | 中国一冶集团有限公司 | Multifunctional control device |
| CN113322757A (en) * | 2021-05-19 | 2021-08-31 | 中国十七冶集团有限公司 | Construction method for ensuring installation quality of kerbstone |
| CN113322757B (en) * | 2021-05-19 | 2022-05-13 | 中国十七冶集团有限公司 | Construction method for ensuring installation quality of kerbstone |
| CN113215919A (en) * | 2021-06-08 | 2021-08-06 | 中国二十二冶集团有限公司 | Border gap filling device |
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