CN110705046A - Concrete dam storehouse surface construction machinery configuration method based on simulation - Google Patents

Concrete dam storehouse surface construction machinery configuration method based on simulation Download PDF

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CN110705046A
CN110705046A CN201910871560.7A CN201910871560A CN110705046A CN 110705046 A CN110705046 A CN 110705046A CN 201910871560 A CN201910871560 A CN 201910871560A CN 110705046 A CN110705046 A CN 110705046A
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concrete
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CN110705046B (en
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赵春菊
周华维
梁志鹏
胡超
周宜红
王放
车龙继
潘志国
周剑夫
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China Three Gorges University CTGU
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Abstract

A method for configuring concrete dam warehouse surface construction machinery based on simulation comprises the steps of constructing a three-dimensional model of the warehouse surface machinery; setting rated parameters and constraint conditions of the bin surface machinery for the three-dimensional model of the bin surface machinery; establishing a space-time motion simulation mechanism of the bin surface machinery, and performing motion simulation on the bin surface machinery; selecting a plurality of typical positions in the concrete dam to respectively analyze the track of the warehousing machinery and the warehouse surface construction machinery; analyzing the influence of the operation rate on the work efficiency; calculating the pouring cycle time of the warehousing machinery; calculating the warehousing strength of the concrete according to the initial setting time of the concrete; and under the condition that the space of the warehousing machinery is not interfered with each other, the number of the warehousing machinery and the number of the warehouse surface construction machinery are configured for each pouring warehouse so as to meet the concrete pouring strength. The invention simulates the complex behavior characteristics of an actual construction system, realizes the optimized configuration of the bin surface machinery, improves the construction efficiency, and reduces the problems of shutdown, safety risk and the like caused by mechanical conflict and mutual interference in a construction site.

Description

Concrete dam storehouse surface construction machinery configuration method based on simulation
Technical Field
The invention belongs to the field of hydraulic engineering construction machinery configuration, and particularly relates to a concrete dam storehouse surface construction machinery configuration method based on simulation.
Background
Dam concrete pouring is a construction process with high mechanization degree, the types of machines in the construction of the warehouse surface are various, the matching is complex, the space resources are very limited, the construction activities are more, the construction operations are crossed, mutual interference and even conflict can exist, and the construction safety and efficiency are influenced.
The system simulation technology is applied to the bin face mechanical configuration, simulation analysis is carried out on the dam body pouring process, various factors influencing the promotion of the dam body pouring process are comprehensively considered, and comparison and selection and optimization of a mechanical configuration scheme can be achieved. At present, a common simulation model integrates a discrete event system simulation modeling method, a queuing theory and a circulating network model, and a construction system pouring behavior simulation mechanism is established by scanning a mechanical entity in a system, taking a machine as a leading factor and taking links of loading, transporting, unloading and the like as a main line according to the service range and pouring process conditions of the machine. If the warehousing scheme of the concrete is complex, when a plurality of different types of machinery are matched and warehoused at the same warehouse location at the same time, the simulation mechanism cannot describe the complex mechanical matching scheme. If only the warehousing machinery is considered, the construction machinery on the warehouse surface is ignored, and the situation is not consistent with the actual situation.
Dam concrete face construction generally cannot be solved by an analytical mathematical model. The computer simulation technology is an effective tool for analyzing and solving the problem of the complex system, and can comprehensively consider various influence factors and the operation characteristics of the system in the construction process. Therefore, the research adopts a computer simulation technology to simulate a complicated concrete warehousing scheme and optimize the configuration of the concrete dam warehouse construction machinery.
Disclosure of Invention
The invention has the technical problems that the types of machines are various in the construction of the warehouse surface of the concrete dam, construction operation is crossed, mutual interference and even conflict are caused, the construction safety and efficiency are influenced, the warehouse surface construction cannot be solved by using an analytic mathematical model, the existing simulation model cannot simulate a complex mechanical matching scheme, particularly, the situation that a plurality of different types of machines are matched and put into a warehouse at the same warehouse position cannot be described, and the method has limitation.
The invention aims to solve the problems and provides a method for configuring concrete dam warehouse surface construction machinery based on simulation, which is used for establishing a three-dimensional model and a space-time motion simulation mechanism of the warehouse surface machinery, simulating the pouring process of various machines matched with warehousing by taking warehouse surface construction entity activities as driving and taking warehouse surface state transition as a main line, and optimizing the number of the warehousing machinery and the number of the warehouse surface construction machinery.
The technical scheme of the invention is a method for configuring the bin surface construction machinery of a concrete dam based on simulation, the bin surface machinery comprises a warehousing machinery and a bin surface construction machinery, the warehousing machinery and the bin surface construction machinery are optimally configured to prevent construction conflict so as to facilitate efficient construction, the length, the width and the height of a building block and the area, the volume and the centroid coordinate of the building block are adopted to describe the shape of a pouring block, the method for configuring the bin surface machinery comprises the following steps,
step 1: constructing a three-dimensional model of a bin surface machine, dividing the bin surface machine model into parts, and applying space constraint to the parts;
step 2: setting rated parameters and constraint conditions of the bin surface machinery for the three-dimensional model of the bin surface machinery;
and step 3: establishing a space-time motion simulation mechanism of the bin surface machinery, and performing motion simulation on the bin surface machinery;
and 4, step 4: selecting a plurality of typical positions in the concrete dam to respectively analyze the track of the warehousing machinery and the warehouse surface construction machinery;
and 5: analyzing the relation between the horizontal distance and the time, the relation between the vertical distance and the time, the relation between the speed and the time and a track map of the typical position to realize the analysis of the influence of the running speed on the work efficiency;
step 6: calculating the pouring cycle time of the warehousing machinery; calculating the warehousing strength of the concrete according to the initial setting time of the concrete; and under the condition that the space of the warehousing machinery is not interfered with each other, the number of the warehousing machinery and the number of the warehouse surface construction machinery are configured for each pouring warehouse so as to meet the concrete pouring strength.
Further, in step 3, a space-time motion simulation mechanism of the warehouse surface machinery is established, a motion equation, a motion track, a motion speed and an acceleration of the mechanical equipment are used for representing a change rule of the space position of the mechanical equipment along with time, the space operation of the construction equipment comprises translation operation and rotation operation, and the simulation of the space operation of the construction equipment is performed through space coordinate transformation.
Further, in the step 3, the bin surface construction entity activity is used as a drive, and the bin surface mechanical activity is simulated and analyzed according to each process in the bin surface construction process.
Further, in step 3, the motion of the bin surface machine is simulated, a circulation network is established by using the bin surface state transition as a main line, and the process of pouring completed by matching various machines in a bin is simulated by using the bin surface leading machine.
Further, step 5 further comprises the steps of taking a plurality of groups of accelerations, analyzing the relation between the horizontal distance and the time, the relation between the vertical distance and the time, the relation between the speed and the time and the trajectory diagram of the typical position respectively, and analyzing the influence of different accelerations on the work efficiency.
Preferably, the warehousing machinery comprises a cable machine, and the warehouse surface construction machinery comprises a flat warehouse machine and a vibrating machine.
Further, in step 6, calculating the pouring cycle time of the warehousing machinery, and selecting a point which is farthest from the horizontal and vertical distances of the cable crane discharging platform as a bin surface discharging point.
Further, in step 6, the concrete warehousing strength PmIs calculated as follows
Figure BDA0002202971260000021
In the formula SiFor the area of the block to be poured, hi' is the thickness of the layer, K3For concrete transportation delay factor, T0For initial setting time of concrete, TyFor the time from delivery to storage of concrete
Figure BDA0002202971260000022
Wherein L isyDistance, v, from concrete mixing plant to discharge platformyFor the full load speed of the dump truck, KlThe volume utilization coefficient of the suspension tank is shown. t is t1Time for lifting and leaving the feeding platform, t2For full tank pull time, t3For full tank descent time, t4For full tank at the bin level alignment time, t5Time of discharge for full tank at surface of silo, t6For empty pot lifting time, t7For empty tank pull-back time, t8Time of the feeding platform for the empty tank stop, t9For side-dumping car alignment and loading time, t10Is the process connection time.
The track analysis abstracts the concrete suspension tank into a particle, and the speed of the particle is the traction speed vhAnd a falling speed vvSynthesis, i.e. v ═ vh+vvThe horizontal and vertical acceleration during the exercise are respectively ah、avThe horizontal motion of the suspension tank from the highest point to the bin surface after the suspension tank is lifted can be decomposed into three sections of continuous functions,
t1≤t≤t1+t11a horizontal acceleration stage:
Figure BDA0002202971260000031
t1+t11≤t≤t1+t12a horizontal uniform speed stage:
Figure BDA0002202971260000032
vh＝aht11
t1+t12≤t≤t1+t2a horizontal deceleration stage:
Figure BDA0002202971260000033
the vertical motion of the suspension tank from the highest point to the bin surface after the suspension tank is lifted can also be decomposed into three sections of continuous functions,
t1≤t≤t1+t31and (3) an accelerated descending stage:
Figure BDA0002202971260000034
t1+t31≤t≤t1+t32a uniform descending stage:
Figure BDA0002202971260000035
vv＝avt31
t1+t32≤t≤t1+t3a deceleration descending stage:
Figure BDA0002202971260000036
wherein x is the horizontal direction running distance, z is the vertical direction running distance, t is the tank crane running time, t11For horizontal acceleration time, t12For horizontal acceleration and uniform movement time, t31To accelerate the descent movement time, t32The motion time is accelerated and descended at a constant speed.
Coordinate value [ x ] of material pushing leveling bin machine1(t)，y1(t)]Speed v of the levelling machine1There are the following relationships
Figure BDA0002202971260000037
Coordinate value [ x ] of vibrating vehicle2(t)，y2(t)]Can be expressed as
Figure BDA0002202971260000038
Wherein alpha is1Is velocity v1Is at an included angle alpha with the X-axis of the coordinate system2The included angle between the running direction of the vibrating vehicle and the X axis of a coordinate system is shown, delta t is time increment, and delta s is running distance increment within delta t.
Compared with the prior art, the invention has the beneficial effects that:
1) the invention simulates the complex behavior characteristics of the actual construction system and realizes the optimized configuration of the bin surface machinery;
2) the simulation mechanism taking the bin surface state transition as the drive can improve the mechanical configuration efficiency of the bin surface;
3) the mechanical configuration method for the warehouse surface, provided by the invention, can realize the advance simulation of the warehouse surface construction process, find potential conflicts and reduce the problems of shutdown, safety risks and the like caused by mechanical conflicts and mutual interference in a construction site;
4) the mechanical configuration scheme of the warehouse surface based on the invention can effectively improve the warehouse surface construction efficiency, ensure the operation safety of the warehouse surface construction machinery and ensure that the construction progress of the concrete dam meets the requirements.
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The invention is further illustrated by the following figures and examples.
Fig. 1 is a flow chart of a method for configuring a concrete dam surface construction machine based on simulation.
Fig. 2 is a mechanical hierarchy diagram of the silo of the present invention.
Fig. 3-1 is a schematic view of a main body of the cable crane.
Fig. 3-2 is a schematic view of the auxiliary car of the cable crane.
Fig. 3-3 are schematic views of a cable of the cable machine.
Fig. 3-4 are schematic diagrams of concrete suspension tanks.
FIG. 4-1 is a schematic diagram of a bunk machine model.
Fig. 4-2 is a schematic view of a vibrator model.
FIG. 5-1 is a schematic diagram of a spatial translation transformation.
Fig. 5-2 is a schematic diagram of spatial rotation transformation.
Fig. 5-3 are schematic diagrams of rotational transformations about arbitrary axes.
Fig. 6 is a schematic view of a translating cable machine.
Fig. 7 is a schematic view of a full-tank transport of the cable crane.
FIG. 8-1 is a schematic diagram of a cable machine pulling and lifting staggered operation.
Fig. 8-2 is a schematic view of the simultaneous operation of the pulling and lifting of the cable machine.
Fig. 9 is a schematic diagram of the motion trajectory of the hoist of the cable crane.
FIG. 10-1 is a schematic view of a typical position of a trajectory analysis.
Fig. 10-2 is a schematic diagram of a cable crane travel track.
Fig. 11 is a parameter diagram of a casting block.
Detailed Description
As shown in fig. 1, in the method for configuring simulated concrete dam surface construction machinery, the surface machinery includes a warehousing machinery and a surface construction machinery, the warehousing machinery adopts a translation cable machine, the surface construction machinery includes a leveling machine and a vibrating machine, and the shape of a cast block is described by building block length, width, height, building block area, volume and centroid coordinates, as shown in fig. 11. The mechanical configuration method of the silo surface comprises the following steps,
step 1, adopting a modeling part assembly idea to divide a bin surface mechanical model into a plurality of large parts, then dividing the sub-parts of the large parts based on each part until the whole part is divided, establishing basic parts, and finally organically integrating each basic part, as shown in fig. 2; geometric positions of all parts are controlled through certain space constraint, assembly and operation errors are avoided, and the construction of a bin surface mechanical three-dimensional model is realized;
step 2, storing rated parameters of the leveling machine, the vibrating machine and the cable machine, such as power, turning radius, maximum hoisting weight and maximum working amplitude, and related constraint conditions, such as maximum and minimum turning angles of equipment, speed limit and other attributes in an attribute information module of the three-dimensional model, and realizing parameter editing, calling, storing, analyzing and the like through a data reading interface;
step 3, establishing a space-time motion simulation mechanism of the bin surface machinery, performing motion simulation on the bin surface machinery, expressing the change rule of the space position of the mechanical equipment along with time by using a motion equation, a motion track, a motion speed and acceleration of the mechanical equipment, and describing the functional relation between the coordinates and time t by establishing a specific coordinate system; the spatial operation of the construction equipment comprises translation operation and rotation operation, and the simulation of the spatial operation of the construction equipment is carried out through spatial coordinate transformation; taking the bin surface construction entity activity as a drive, and simulating and analyzing the bin surface mechanical activity according to each process in the bin surface construction process;
step 4, 5 typical positions are taken from the dam to analyze the running track, the running time and the running speed, so that the running track of the cable crane is analyzed; analyzing the relation between the coordinate value and the speed of the leveling machine during material pushing, and obtaining the position in a virtual scene at any known moment by a space coordinate transformation method to realize the track analysis of the leveling machine; the construction efficiency of the bin surface machinery is improved by optimizing the track;
step 5, analyzing the relation between the horizontal distance and the time, the relation between the vertical distance and the time, the relation between the speed and the time and a track map of the typical position to realize the analysis of the influence of the running speed on the work efficiency; taking 3 groups of accelerations, and analyzing the relation between the horizontal distance and time, the relation between the vertical distance and time, the relation between the speed and time and a locus diagram of a typical position respectively to realize the analysis of the influence of different accelerations on the work efficiency;
step 6, taking a point which is farthest from the cable crane unloading platform in horizontal and vertical distances as a bin surface unloading point to calculate the cable crane pouring cycle time; calculating the warehousing strength of the concrete according to the initial setting time of the concrete; and under the condition that the space of the cable crane is not interfered, each pouring bin is provided with a proper number of warehousing machines (cable cranes) and bin surface construction machines (flat bins and vibrating machines) so as to meet the concrete pouring strength.
The geometric positions of the components are controlled through certain space constraint, assembly and operation errors are avoided, and the adopted space constraint types are shown in the table 1. The three-dimensional model of the cable machine is shown in figures 3-1, 3-2, 3-3 and 3-4, the three-dimensional model of the horizontal bin machine is shown in figure 4-1, and the three-dimensional model of the vibrating machine is shown in figure 4-2.
And 3, simulating the space operation of the construction equipment, wherein the space coordinate transformation comprises translation transformation, rotation transformation around a coordinate axis and rotation around any axis, and the translation transformation, the rotation transformation around the coordinate axis and the rotation around any axis are respectively shown in the figure 5-1, the figure 5-2 and the figure 5-3.
TABLE 1 space constraint type Table
Figure BDA0002202971260000061
And 3, performing motion simulation on the bin surface machinery, establishing a circulating network by taking the bin surface state transition as a main line, and simulating the pouring process by matching various machines into the bin by taking the bin surface as a leading machine.
Analyzing the motion tracks of the cable crane and the flatcar and the vibrating machine, establishing a motion track analysis model of the cable crane and the flatcar and the vibrating machine, and analyzing the working mode and the efficiency of the motion track analysis model, taking a translation type cable crane as an example, the translation type cable crane is shown in figure 6, and the parameters of the cable crane are shown in table 2.
The trajectory analysis of the cable crane comprises operation cycle time analysis and operation trajectory analysis. The cable machine operation time parameters are shown in table 3, and the operation cycles of the cable machine are shown in fig. 7, 8-1 and 8-2. The typical position of the selected cable crane is shown in fig. 10-1, and the travel track of the cable crane is shown in fig. 10-2.
Table 2 cable crane operation parameter table
Figure BDA0002202971260000071
The concrete suspension tank is abstracted into a mass point, and the speed of the mass point is determined by the traction speed vhAnd a falling speed vvSynthesis, i.e. v ═ vh+vvAs shown in FIG. 9, the horizontal and vertical accelerations during exercise are ah、avThe horizontal motion of the suspension tank from the highest point to the bin surface after the suspension tank is lifted can be decomposed into three sections of continuous functions,
t1≤t≤t1+t11a horizontal acceleration stage:
Figure BDA0002202971260000072
t1+t11≤t≤t1+t12a horizontal uniform speed stage:
Figure BDA0002202971260000073
vh＝aht11
t1+t12≤t≤t1+t2a horizontal deceleration stage:
Figure BDA0002202971260000074
the vertical motion of the suspension tank from the highest point to the bin surface after the suspension tank is lifted can also be decomposed into three sections of continuous functions,
t1≤t≤t1+t31and (3) an accelerated descending stage:
Figure BDA0002202971260000075
t1+t31≤t≤t1+t32a uniform descending stage:
Figure BDA0002202971260000076
t1+t32≤t≤t1+t3a deceleration descending stage:
Figure BDA0002202971260000077
wherein x is the horizontal direction running distance, z is the vertical direction running distance, t is the tank crane running time, t11For horizontal acceleration time, t12For horizontal acceleration and uniform movement time, t31To accelerate the descent movement time, t32The motion time is accelerated and descended at a constant speed.
TABLE 3 Cable run time parameter Table
Figure BDA0002202971260000081
Coordinate value [ x ] of material pushing leveling bin machine1(t)，y1(t)]Speed v of the levelling machine1There are the following relationships
Figure BDA0002202971260000082
Coordinate value [ x ] of vibrating vehicle2(t)，y2(t)]Can be expressed as
Figure BDA0002202971260000083
Wherein alpha is1Is velocity v1Is at an included angle alpha with the X-axis of the coordinate system2The included angle between the running direction of the vibrating vehicle and the X axis of a coordinate system is shown, delta t is time increment, and delta s is running distance increment within delta t.
As shown in FIG. 11, the coordinate calculation formula of the farthest discharge point A of the bin surface is as follows
Figure BDA0002202971260000084
Figure BDA0002202971260000085
zA＝HIB
In the formula IiThe length of the pouring block is long; diThe width of the pouring block is wide; h isiThe block height is poured; siIs the area of the pouring block; x is the number ofiIs the x-coordinate, y, of the centroid pointiIs the y-coordinate, x, of the centroid pointAIs the x coordinate, y, of the farthest discharging point A of the bin surfaceAIs the y coordinate of the farthest discharging point A of the bin surface, zAIs the bottom elevation of the farthest discharge point, HIBFor casting block bottom elevation.
CoagulationIntensity of soil entering bin PmIs calculated as follows
Figure BDA0002202971260000091
In the formula SiFor the area of the block to be poured, hiIs the thickness of the ply, K3For concrete transportation delay factor, T0For initial setting time of concrete, TyFor the time from delivery to storage of concrete
Wherein L isyDistance, v, from concrete mixing plant to discharge platformyFor the full load speed of the dump truck, KlThe volume utilization coefficient of the suspension tank is shown. t is t1Time for lifting and leaving the feeding platform, t2For full tank pull time, t3For full tank descent time, t4For full tank at the bin level alignment time, t5Time of discharge for full tank at surface of silo, t6For empty pot lifting time, t7For empty tank pull-back time, t8Time of the feeding platform for the empty tank stop, t9For side-dumping car alignment and loading time, t10Is the process connection time.
According to the designed concrete warehousing strength, a warehouse surface mechanical configuration calculation model is established, and mechanical configuration is carried out on each pouring warehouse under the condition that the cable crane space is not interfered.
Productivity P of cable machinelComprises the following steps:
Figure BDA0002202971260000093
NlPl≥Pm
number of cable machines NlComprises the following steps:
Figure BDA0002202971260000094
pouringBlock casting time TiComprises the following steps:
Figure BDA0002202971260000095
number of bin levelers NpIt should satisfy:
Figure BDA0002202971260000096
Nl≤Np≤6
number of vibrators NzIt should satisfy:
Figure BDA0002202971260000097
Nl≤Nz≤6
wherein VbIs the volume of the suspension tank; viIs the volume of a pouring block; ppFor the production of the levelling machines, Pp≥150m3/s；PzFor vibrator productivity, Pz≥150m3/s；hi' is the thickness of the layer, hi’＝0.5m；T0Initial setting time of concrete; k1To make use of the volume of the tank, K1＝0.98；K2Is the interference coefficient of the cable crane, K2＝0.95；TCThe single-cycle working time of the cable crane is set; pmThe warehousing strength of the concrete is obtained.

Claims (8)

1. A mechanical configuration method for the bin surface of concrete dam based on simulation includes such steps as loading bin in the bin, constructing bin surface in the bin, optimizing the configuration to prevent collision, and describing the shape of pouring blocks by the length, width and height of building blocks and the area, volume and centroid coordinates of building blocks,
step 1: constructing a three-dimensional model of a bin surface machine, dividing the bin surface machine model into parts, and applying space constraint to the parts;
step 2: setting rated parameters and constraint conditions of the bin surface machinery for the three-dimensional model of the bin surface machinery;
and step 3: establishing a space-time motion simulation mechanism of the bin surface machinery, and performing motion simulation on the bin surface machinery;
and 4, step 4: selecting a plurality of typical positions in the concrete dam to respectively analyze the track of the warehousing machinery and the warehouse surface construction machinery;
and 5: analyzing the relation between the horizontal distance and the time, the relation between the vertical distance and the time, the relation between the speed and the time and a track map of the typical position to realize the analysis of the influence of the running speed on the work efficiency;
step 6: calculating the pouring cycle time of the warehousing machinery; calculating the warehousing strength of the concrete according to the initial setting time of the concrete; and under the condition that the space of the warehousing machinery is not interfered with each other, the number of the warehousing machinery and the number of the warehouse surface construction machinery are configured for each pouring warehouse so as to meet the concrete pouring strength.
2. The method for configuring machinery for constructing the warehouse of the concrete dam based on the simulation as claimed in claim 1, wherein in step 3, the space-time motion simulation mechanism of the warehouse machinery is established, the motion equation, the motion trail, the motion speed and the acceleration of the machinery equipment are used for representing the change rule of the space position of the machinery equipment along with the time, the space operation of the construction equipment comprises the translation operation and the rotation operation, and the simulation of the space operation of the construction equipment is performed through the space coordinate transformation.
3. The method as claimed in claim 1, wherein in step 3, the mechanical activities of the concrete dam are simulated and analyzed according to the processes during the construction of the dam face, driven by the physical activities of the dam face.
4. The method for configuring machinery for constructing the warehouse surface of the concrete dam based on simulation as claimed in claim 1, wherein in step 3, the machinery of the warehouse surface is simulated in motion, a circulation network is established by taking the state transition of the warehouse surface as a main line, and the process of pouring is simulated by taking the warehouse surface as a main factor and matching various machines into a warehouse.
5. The method as claimed in claim 1, wherein the step 5 further comprises analyzing the horizontal distance-time relationship, the vertical distance-time relationship, the speed-time relationship and the trajectory diagram of the typical position by taking a plurality of sets of accelerations, and analyzing the influence of different accelerations on the work efficiency.
6. The method as claimed in claim 1, wherein the loading machine includes a cable crane, and the loading machine includes a flat loader and a vibrator.
7. The method as claimed in claim 6, wherein in step 6, the point with the farthest horizontal and vertical distances from the cable crane discharge platform is selected as the bin face discharge point by calculating the pouring cycle time of the loading machine.
8. The method for configuring simulation-based concrete dam silo surface construction machinery according to claim 6, wherein in step 6, the concrete warehousing strength PmIs calculated as follows
Figure FDA0002202971250000021
In the formula SiFor the area of the block to be poured, hi' is the thickness of the layer, K3For concrete transportation delay factor, T0For initial setting time of concrete, TyFor the time from delivery to storage of concrete
Figure FDA0002202971250000022
Wherein L isyDistance, v, from concrete mixing plant to discharge platformyFor the full load speed of the dump truck, KlThe volume utilization coefficient of the suspension tank is obtained; t is t1For hanging tankTime to lift and leave the feeding platform, t2For full tank pull time, t3For full tank descent time, t4For full tank at the bin level alignment time, t5Time of discharge for full tank at surface of silo, t6For empty pot lifting time, t7For empty tank pull-back time, t8Time of the feeding platform for the empty tank stop, t9For side-dumping car alignment and loading time, t10Is the process connection time.
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CN111488642A (en) * 2020-04-15 2020-08-04 中国十七冶集团有限公司 BIM technology-based method for preventing large-volume concrete cold joint
CN111622225A (en) * 2020-06-04 2020-09-04 中国电建集团成都勘测设计研究院有限公司 Multi-cable machine adjusting method
CN111915588A (en) * 2020-07-31 2020-11-10 三峡大学 Safe distance calculation method for warehouse construction machinery considering safe and efficient space
CN117408033A (en) * 2023-10-09 2024-01-16 湖北工业大学 Virtual analysis method for space-time conflict of construction machinery in arch dam bin face pouring process

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106503337A (en) * 2016-10-21 2017-03-15 三峡大学 A kind of construction machinery loss in efficiency quantization method under space-time conflict
CN106855901A (en) * 2016-12-16 2017-06-16 天津大学 The high arch dam construction progress real-time emulation method of Coupling Temperature Field
JP2017227565A (en) * 2016-06-23 2017-12-28 大成建設株式会社 Dam construction survey photographing method, dam construction finished shape management drawing generation method using the same, concrete installation amount calculation method, finished shape management drawing generation system, concrete installation amount calculation system, and finished shape management drawing generation assistance program
CN108596466A (en) * 2018-04-18 2018-09-28 河海大学 Concrete dam storehouse surface is vibrated method for allocating tasks
CN109584504A (en) * 2018-12-04 2019-04-05 三峡大学 One kind conflicts method for early warning in cable machine cage with concrete construction machinery risk

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017227565A (en) * 2016-06-23 2017-12-28 大成建設株式会社 Dam construction survey photographing method, dam construction finished shape management drawing generation method using the same, concrete installation amount calculation method, finished shape management drawing generation system, concrete installation amount calculation system, and finished shape management drawing generation assistance program
CN106503337A (en) * 2016-10-21 2017-03-15 三峡大学 A kind of construction machinery loss in efficiency quantization method under space-time conflict
CN106855901A (en) * 2016-12-16 2017-06-16 天津大学 The high arch dam construction progress real-time emulation method of Coupling Temperature Field
CN108596466A (en) * 2018-04-18 2018-09-28 河海大学 Concrete dam storehouse surface is vibrated method for allocating tasks
CN109584504A (en) * 2018-12-04 2019-04-05 三峡大学 One kind conflicts method for early warning in cable machine cage with concrete construction machinery risk

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
HUAWEI ZHOU等: "Feedback Design of Temperature Control Measures for Concrete Dams based on Real-Time Temperature Monitoring and Construction Process Simulation", 《KSCE JOURNAL OF CIVIL ENGINEERING (2018)》 *
宋凤莲等: "拱坝混凝土施工机械***配置优化模型及其模拟", 《武汉大学学报(工学版)》 *
胡超等: "高拱坝仓面施工时空冲突分析与调整方法研究", 《水力发电学报》 *
赵春菊等: "基于动态仿真的碾压混凝土坝施工仓面规划", 《人民长江》 *
赵春菊等: "碾压混凝土坝施工仓面作业***仿真与优化研究", 《水利水电技术》 *
赵春菊等: "***耦合机制在碾压混凝土坝施工仿真中的应用", 《武汉大学学报(工学版)》 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111332958A (en) * 2020-03-30 2020-06-26 杭州国电大力机电工程有限公司 Descending limiting method for cable crane and cable crane
CN111488642A (en) * 2020-04-15 2020-08-04 中国十七冶集团有限公司 BIM technology-based method for preventing large-volume concrete cold joint
CN111622225A (en) * 2020-06-04 2020-09-04 中国电建集团成都勘测设计研究院有限公司 Multi-cable machine adjusting method
CN111622225B (en) * 2020-06-04 2021-08-10 中国电建集团成都勘测设计研究院有限公司 Multi-cable machine adjusting method
CN111915588A (en) * 2020-07-31 2020-11-10 三峡大学 Safe distance calculation method for warehouse construction machinery considering safe and efficient space
CN111915588B (en) * 2020-07-31 2023-10-27 三峡大学 Safe distance calculation method for bin surface construction machinery considering safe and efficient space
CN117408033A (en) * 2023-10-09 2024-01-16 湖北工业大学 Virtual analysis method for space-time conflict of construction machinery in arch dam bin face pouring process
CN117408033B (en) * 2023-10-09 2024-06-11 湖北工业大学 Virtual analysis method for space-time conflict of construction machinery in arch dam bin face pouring process

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