CN110930045A - Visual analysis method for construction progress and quality of mass concrete - Google Patents
Visual analysis method for construction progress and quality of mass concrete Download PDFInfo
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Abstract
The invention belongs to the field of hydraulic engineering concrete construction progress and quality control, and discloses a visual analysis method for mass concrete construction progress and quality, which solves the problem of influence on construction quality uncertainty caused by manual control of field operating personnel during concrete construction time in the traditional scheme. The method comprises the following steps: a. automatically monitoring the running state of the cable crane and the flat bin crane in real time; b. matching the feeding point of the cable machine with the receiving position of the bin noodle belt, and analyzing the concrete construction progress by taking the strip as a unit in combination with the judgment of the leveling direction of the bin leveling machine; c. analyzing the billet layer covering time of the strip area according to the real-time space state information of the bunkers, and acquiring the billet layer covering time and the concrete exposure time of the strip area; d. and (3) performing visual analysis on the concrete construction progress and the blank layer covering time by using a computer three-dimensional graphic technology, and performing graded early warning on the conditions of pouring delay, blank layer covering time overtime and exposure time overtime.
Description
Technical Field
The invention belongs to the field of concrete construction progress and quality control of hydraulic engineering, and particularly relates to a visual analysis method for mass concrete construction progress and quality.
Background
The concrete pouring link is an important link in concrete construction of hydraulic engineering and is responsible for controlling the pouring quality of large-volume concrete. The mass concrete of the hydraulic engineering is transported to a pouring construction part after being produced by a mixing plant and enters a construction link in a warehouse. Construction is generally completed through the processes of leveling by a leveling machine and then vibrating. If the concrete unit is constructed in different slabs, a problem of controlling the slab coverage time may occur. The control of the construction time of the concrete and the control of the coverage time of the blank layer of the construction unit are important measures for controlling the internal temperature of the concrete, preventing the concrete from cracking in the construction period and simultaneously performing fine control on the progress and the quality.
The traditional hydraulic engineering large-volume unit concrete construction time control is usually manually controlled by field operators and is relatively extensive; the temperature change and the solidification condition of the concrete after entering the warehouse are related to factors such as the surrounding environment, the time and the like; therefore, the traditional method has uncertain influence on the construction quality of mass concrete.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a visual analysis method for the construction progress and quality of mass concrete is provided, and the problem that the construction quality uncertainty is influenced due to the fact that the construction time of the concrete is manually controlled by field operating personnel in the traditional scheme is solved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the visual analysis method for the construction progress and the quality of the mass concrete comprises the following steps:
a. automatically monitoring the running state of the cable crane and the flat bin crane in real time;
b. matching the feeding point of the cable machine with the receiving position of the bin noodle belt, and analyzing the concrete construction progress by taking the strip as a unit in combination with the judgment of the leveling direction of the bin leveling machine;
c. analyzing the billet layer covering time of the strip area according to the real-time space state information of the bunkers, and acquiring the billet layer covering time and the concrete exposure time of the strip area;
d. and (3) performing visual analysis on the concrete construction progress and the blank layer covering time by using a computer three-dimensional graphic technology, and performing graded early warning on the conditions of pouring delay, blank layer covering time overtime and exposure time overtime.
As a further optimization, the method further comprises:
a0. before concrete production, scheduling information configuration is carried out through a computer client or a mobile client, and the method comprises the following steps: the device comprises a cable machine device l, a leveling machine device p, a bin face position omega and a construction strip S.
As a further optimization, in the step b, the matching of the cable machine blanking point-bin noodle belt receiving position is combined with the judgment of the leveling direction of the leveling machine, and the concrete construction progress is analyzed by taking the strip as a unit, which specifically comprises the following steps:
transporting concrete to a warehouse surface planning construction strip S through a cable crane, entering a blanking link, and monitoring the blanking point position D (x) of the cable crane in real timelt,ylt,zlt) Planned boundary B (x) with bin surface strip Ss1,ys1,xs2,ys2,xs3,ys3,xs4,ys4,xs5,ys5,…xsm,ysm) (ii) a Wherein x issm,ysmRespectively the abscissa and the ordinate of the mth coordinate point on the planning boundary B;
when the unloading action state of the cable crane is monitored, the time T is recordedj1Simultaneously matching the concrete cable crane blanking point with the strip, and analyzing whether the cable crane blanking point D is contained in the strip S;
calculating the leveling boundary B of the leveling machine according to the real-time position of the monitoring leveling machinek(xk1,yk1,xk2,yk2,xk3,yk3,xk4,yk4,xk5,yk5,…xkc,ykc) Wherein x iskc,ykcAre respectively BkThe abscissa and the ordinate of the c coordinate point;
and judging the boundary point B' (x) of the pushing boundary of the leveling machine in the strip Ss1’,ys1’,xs2’,ys2’,xs3’,ys3’,xs4’,ys4’,xs5,ys5’,…,xsm’,ysm') boundary point B' is the pushing boundary B of the bin flattening machinekIntersection with the planned boundary B of the bin face strip S; wherein x issm’,ysm'are respectively the abscissa and ordinate of the mth coordinate point on the boundary point B';
calculating a flattening area:
analysis of the area within the band:
as a further optimization, in step c, the analyzing the slab layer covering time of the strip area according to the real-time space state information of the bunkers to obtain the slab layer covering time and the concrete exposure time of the strip area specifically includes:
calculating the strip coverage time:
when the q blank layer strip S is flattenedq,pWhen ≧ LMs, recording the leveling time T of the leveling machines,q1Wherein M isSIs the area of the strip S, L is a self-defined dimensionless parameter;
when the q +1 green layer strip S flattens the area Mq+1,pWhen ≧ LMs, recording the leveling time T of the leveling machines,q+1；
Then, the blank layer covers time TS＝Ts,q+1-Ts,q1；
And simultaneously calculating the concrete exposure time of the q +1 billet layer strip S in the non-leveling area:
recording the operation space position and time T of the leveling machine in real time, and then recording the concrete exposure time of the uncovered area B-B
TB-B’＝T-Ts,q1。
As a further optimization, in the step d, the visualization analysis is based on a computer three-dimensional graph technology to perform concrete construction image face drawing and analysis from the whole bin and the strip.
As a further optimization, in step d, the step of performing graded early warning on pouring delay, overtime of blank layer covering time and overtime of exposure time specifically includes:
(1) combined with casting progress MsSchedule MjAnd average area of bands MtPouring progress analysis early warning is carried out:
Ms-Mj≥0Mtin normal state, no early warning is performed;
0Mt≥Ms-Mj≥-0.2*Mtyellow early warning;
-0.2*Mt≥Ms-Mj≥-1*Mtorange early warning;
-1*Mt≥Mj-Msred early warning;
(2) knotComposite strip blank layer covering time TSAnd planned blanket coverage time Ts’And (3) carrying out early warning of the blank layer covering time:
TS-ts 'is less than or equal to 0 Ts', and in a normal state, early warning is not performed;
TS-ts 'is more than or equal to 0.2 Ts', and blue warning is carried out;
TS-ts 'is more than or equal to 0.4 Ts', and yellow early warning is carried out;
TS-ts 'is more than or equal to 0.6 Ts', and orange early warning is carried out;
TS-ts 'is more than or equal to 0.8 Ts', and red early warning is carried out;
(3) concrete exposure time T of combined uncovered areaB-B’And planning the blank layer coverage time Ts' to perform exposure time early warning:
TB-B’the-Ts' is less than or equal to 0, and no early warning is given in a normal state;
TB-B’-Ts 'is more than or equal to 0.2 Ts', and yellow early warning is carried out;
TB-B’-Ts 'is more than or equal to 0.4 Ts', orange early warning;
TB-B’-Ts 'is more than or equal to 0.6 Ts', and a red early warning is given.
The invention has the beneficial effects that:
in the concrete pouring process, the working states of the cable crane and the bin flattening machine are monitored in real time by adopting a fine and intelligent means, the construction progress of the concrete for the bin surface construction and the blank layer covering time are analyzed in real time, meanwhile, the construction progress is compared with the planned construction progress, and the construction progress lag and the blank layer covering time condition are analyzed and early-warned in a grading manner, so that the risk of quality accidents is reduced.
Drawings
Fig. 1 is a flow chart of a visual analysis method for the construction progress and quality of mass concrete.
Detailed Description
The invention aims to provide a visual analysis method for the construction progress and quality of mass concrete, and solves the problem that the construction quality uncertainty is influenced by manual control of field operators in the concrete construction time in the traditional scheme. The invention analyzes and judges the concrete pouring progress in the bin by monitoring the running states of the cable crane and the flat bin crane in real time, compares the concrete pouring progress plan with the blank layer covering control index, analyzes and pre-warns the pouring delay and blank layer covering overtime conditions, and avoids the occurrence of construction quality accidents caused by concrete covering overtime.
In particular implementation, as shown in fig. 1, the visual analysis method for the construction progress and quality of the mass concrete comprises the following means:
1. automatically monitoring the running state of the cable crane and the flat bin crane in real time;
before concrete production, firstly, scheduling information configuration is carried out: and the scheduling information configuration is carried out through a computer client or a mobile client, and comprises cable equipment l, leveling machine equipment p, a bin face position omega and a construction strip S. In the concrete pouring process, if the scheduling information changes, scheduling personnel update in time.
During concrete construction, the time-space position of the cable crane and the horizontal bunker crane is monitored through related hardware equipment (such as GPS positioning), and therefore the corresponding operation state is obtained.
2. Matching the feeding point of the cable machine with the receiving position of the bin noodle belt, and analyzing the concrete construction progress by taking the strip as a unit in combination with the judgment of the leveling direction of the bin leveling machine;
transporting concrete to a warehouse surface planning construction strip S through a cable crane, entering a blanking link, and monitoring the blanking point position D (x) of the cable crane in real timelt,ylt,zlt) Planned boundary B (x) with bin surface strip Ss1,ys1,xs2,ys2,xs3,ys3,xs4,ys4,xs5,ys5,…xsm,ysm) (ii) a Wherein x issm,ysmRespectively the abscissa and the ordinate of the mth coordinate point on the planning boundary B;
when the unloading action state of the cable crane is monitored, the time T is recordedj1Simultaneously matching the concrete cable crane blanking point with the strip, and analyzing whether the cable crane blanking point D is contained in the strip S; the common judging methods include an area and judging method, an included angle and judging method, an injection line method and the like, and the invention is not redundant any moreThe above-mentioned processes are described.
Calculating the leveling boundary B of the leveling machine according to the real-time position of the monitoring leveling machinek(xk1,yk1,xk2,yk2,xk3,yk3,xk4,yk4,xk5,yk5,…xkc,ykc) Wherein x iskc,ykcAre respectively BkThe abscissa and the ordinate of the c coordinate point;
and judging the boundary point B' (x) of the pushing boundary of the leveling machine in the strip Ss1’,ys1’,xs2’,ys2’,xs3’,ys3’,xs4’,ys4’,xs5,ys5’,…,xsm’,ysm') boundary point B' is the pushing boundary B of the bin flattening machinekIntersection with the planned boundary B of the bin face strip S; wherein x issm’,ysm'are respectively the abscissa and ordinate of the mth coordinate point on the boundary point B';
calculating a flattening area:
analysis of the area within the band:
3. analyzing the billet layer covering time of the strip area according to the real-time space state information of the bunkers, and acquiring the billet layer covering time and the concrete exposure time of the strip area;
calculating the strip coverage time:
when the q blank layer strip S is flattenedq,pWhen ≧ LMs, recording the leveling time T of the leveling machines,q1Wherein M isSIs the area of the strip S, L is a self-defined dimensionless parameter, and can take 0.95;
when the q +1 green layer strip S flattens the area Mq+1,pWhen ≧ LMs, recording the leveling time T of the leveling machines,q+1；
Then, the blank layer covers time TS＝Ts,q+1-Ts,q1；
And simultaneously calculating the concrete exposure time of the q +1 billet layer strip S in the non-leveling area:
recording the operation space position and time T of the leveling machine in real time, and then recording the concrete exposure time of the uncovered area B-B
TB-B’＝T-Ts,q1。
4. And (3) performing visual analysis on the concrete construction progress and the blank layer covering time by using a computer three-dimensional graphic technology, and performing graded early warning on the conditions of pouring delay, blank layer covering time overtime and exposure time overtime.
In the step, concrete construction image and face drawing and analysis are carried out from the whole bin and the strips based on a computer three-dimensional graphic technology.
The step early warning of pouring delay, overtime of blank layer covering time and overtime of exposure time specifically comprises the following steps:
(1) combined with casting progress MsSchedule MjAnd average area of bands MtPouring progress analysis early warning is carried out:
Ms-Mj≥0Mtin normal state, no early warning is performed;
0Mt≥Ms-Mj≥-0.2*Mtyellow early warning;
-0.2*Mt≥Ms-Mj≥-1*Mtorange early warning;
-1*Mt≥Mj-Msred early warning;
(2) bond strip blank cover time TSAnd planning the blank layer covering time Ts' to perform blank layer covering time early warning:
TS-ts 'is less than or equal to 0 Ts', and in a normal state, early warning is not performed;
TS-ts 'is more than or equal to 0.2 Ts', and blue warning is carried out;
TS-ts 'is more than or equal to 0.4 Ts', and yellow early warning is carried out;
TS-ts 'is not less than 0.6 Ts', orange early warning；
TS-Ts 'is more than or equal to 0.8 Ts', and red early warning is carried out;
(3) concrete exposure time T of combined uncovered areaB-B’And planning the blank layer coverage time Ts' to perform exposure time early warning:
TB-B’the-Ts' is less than or equal to 0, and no early warning is given in a normal state;
TB-B’-Ts 'is more than or equal to 0.2 Ts', and yellow early warning is carried out;
TB-B’-Ts 'is more than or equal to 0.4 Ts', orange early warning;
TB-B’-Ts 'is more than or equal to 0.6 Ts', and a red early warning is given.
By the means, the concrete pouring process real-time monitoring, fine analysis and grading early warning are realized, and technical support is provided for improving the concrete construction progress and the coverage quality.
Claims (6)
1. The visual analysis method for the construction progress and the quality of the mass concrete is characterized by comprising the following steps:
a. automatically monitoring the running state of the cable crane and the flat bin crane in real time;
b. matching the feeding point of the cable machine with the receiving position of the bin noodle belt, and analyzing the concrete construction progress by taking the strip as a unit in combination with the judgment of the leveling direction of the bin leveling machine;
c. analyzing the billet layer covering time of the strip area according to the real-time space state information of the bunkers, and acquiring the billet layer covering time and the concrete exposure time of the strip area;
d. and (3) performing visual analysis on the concrete construction progress and the blank layer covering time by using a computer three-dimensional graphic technology, and performing graded early warning on the conditions of pouring delay, blank layer covering time overtime and exposure time overtime.
2. The visual analysis method for the construction progress and quality of mass concrete according to claim 1,
the method further comprises the following steps:
a0. before concrete production, scheduling information configuration is carried out through a computer client or a mobile client, and the method comprises the following steps: the device comprises a cable machine device l, a leveling machine device p, a bin face position omega and a construction strip S.
3. The visual analysis method for the construction progress and quality of mass concrete according to claim 1,
in the step b, the matching of the material receiving part of the cable machine blanking point-bin noodle strip is combined with the judgment of the pushing direction of the bin flattening machine, and the concrete construction progress is analyzed by taking the strip as a unit, and the concrete construction progress analysis method specifically comprises the following steps:
transporting concrete to a warehouse surface planning construction strip S through a cable crane, entering a blanking link, and monitoring the blanking point position D (x) of the cable crane in real timelt,ylt,zlt) Planned boundary B (x) with bin surface strip Ss1,ys1,xs2,ys2,xs3,ys3,xs4,ys4,xs5,ys5,…xsm,ysm) (ii) a Wherein x issm,ysmRespectively the abscissa and the ordinate of the mth coordinate point on the planning boundary B;
when the unloading action state of the cable crane is monitored, the time T is recordedj1Simultaneously matching the concrete cable crane blanking point with the strip, and analyzing whether the cable crane blanking point D is contained in the strip S;
calculating the leveling boundary B of the leveling machine according to the real-time position of the monitoring leveling machinek(xk1,yk1,xk2,yk2,xk3,yk3,xk4,yk4,xk5,yk5,…xkc,ykc) Wherein x iskc,ykcAre respectively BkThe abscissa and the ordinate of the c coordinate point;
and judging the boundary point B' (x) of the pushing boundary of the leveling machine in the strip Ss1’,ys1’,xs2’,ys2’,xs3’,ys3’,xs4’,ys4’,xs5,ys5’,…,xsm’,ysm') boundary point B' is the pushing boundary B of the bin flattening machinekIntersection with the planned boundary B of the bin face strip S; it is composed ofIn, xsm’,ysm'are respectively the abscissa and ordinate of the mth coordinate point on the boundary point B';
calculating a flattening area:
analysis of the area within the band:
4. the visual analysis method for the construction progress and quality of mass concrete according to claim 3,
in step c, the step of analyzing the slab layer covering time of the strip area according to the real-time space state information of the bunkers to obtain the slab layer covering time and the concrete exposure time of the strip area specifically comprises the following steps:
calculating the strip coverage time:
when the q blank layer strip S is flattenedq,pWhen ≧ LMs, recording the leveling time T of the leveling machines,q1Wherein M isSIs the area of the strip S, L is a self-defined dimensionless parameter;
when the q +1 green layer strip S flattens the area Mq+1,pWhen ≧ LMs, recording the leveling time T of the leveling machines,q+1；
Then, the blank layer covers time TS＝Ts,q+1-Ts,q1；
And simultaneously calculating the concrete exposure time of the q +1 billet layer strip S in the non-leveling area:
recording the operation space position and time T of the leveling machine in real time, and then recording the concrete exposure time of the uncovered area B-B
TB-B’＝T-Ts,q1。
5. The visual analysis method for the construction progress and quality of mass concrete according to claim 1,
and d, performing visual analysis on the concrete construction image face drawing and analysis from the whole bin and the strips based on a computer three-dimensional graphic technology.
6. The visual analysis method for the construction progress and quality of mass concrete according to claim 1,
in the step d, the step of carrying out graded early warning on the conditions of pouring delay, overtime of blank layer covering time and overtime of exposure time specifically comprises the following steps:
(1) combined with casting progress MsSchedule MjAnd average area of bands MtPouring progress analysis early warning is carried out:
Ms-Mj≥0Mtin normal state, no early warning is performed;
0Mt≥Ms-Mj≥-0.2*Mtyellow early warning;
-0.2*Mt≥Ms-Mj≥-1*Mtorange early warning;
-1*Mt≥Mj-Msred early warning;
(2) bond strip blank cover time TSAnd planning the blank layer covering time Ts' to perform blank layer covering time early warning:
TS-ts 'is less than or equal to 0 Ts', and in a normal state, early warning is not performed;
TS-ts 'is more than or equal to 0.2 Ts', and blue warning is carried out;
TS-ts 'is more than or equal to 0.4 Ts', and yellow early warning is carried out;
TS-ts 'is more than or equal to 0.6 Ts', and orange early warning is carried out;
TS-ts 'is more than or equal to 0.8 Ts', and red early warning is carried out;
(3) concrete exposure time T of combined uncovered areaB-B’And planning the blank layer coverage time Ts' to perform exposure time early warning:
TB-B’the-Ts' is less than or equal to 0, and no early warning is given in a normal state;
TB-B’-Ts 'is more than or equal to 0.2 Ts', and yellow early warning is carried out;
TB-B’-Ts 'is more than or equal to 0.4 Ts', orange early warning;
TB-B’-Ts 'is more than or equal to 0.6 Ts', and a red early warning is given.
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| CN113781425A (en) * | 2021-09-07 | 2021-12-10 | 中国三峡建工(集团)有限公司 | Concrete leveling analysis method and device |
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