Open pit coal mine earthwork stripping comprehensive unit price determination method and system

Abstract

The invention provides an open pit coal mine earthwork stripping comprehensive unit price determination method and system, and belongs to the technical field of construction cost. According to the method, the reasonable open-pit coal mine earthwork stripping comprehensive unit price is determined, the peer-to-peer between the payment cost and the construction service is realized, economic disputes among multiple parties such as a bid inviting party, a bid winning party and a bid inviting agency are avoided, and smooth development of open-pit coal mine earthwork stripping outsourcing construction is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of engineering cost, in particular to a method and system for determining comprehensive unit price of earthwork stripping in open-pit coal mine. BACKGROUND

[0002] The outsourcing construction of earthwork stripping in open-pit coal mine is increasingly rising.

[0003] The comprehensive unit price of earthwork stripping in open-pit coal mine is the cost of moving one cubic meter of earthwork from the mining field to the dump site. At present, the comprehensive unit price obtained by the method of calculating quota is often several times higher than the actual comprehensive unit price, and cannot be directly used as the bidding control price. If the comprehensive unit price obtained by the method of calculating quota is used by proportion reduction, economic disputes will be caused between the bidding party, the winning bidder and the bidding agent, and the essence is that the calculation of the comprehensive unit price of earthwork stripping in open-pit coal mine is unreasonable. SUMMARY

[0004] The present application aims to provide a method and system for determining comprehensive unit price of earthwork stripping in open-pit coal mine to solve at least one technical problem in the background.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] In the first aspect, the present application provides a method for determining comprehensive unit price of earthwork stripping in open-pit coal mine, comprising:

[0007] The drilling machine, excavator, self-unloading truck and bulldozer are used to calculate the drilling and blasting cost, mining and loading cost, transportation cost and dumping cost respectively according to the mechanical cost, labor cost and material cost;

[0008] The road maintenance cost is calculated according to the mechanical cost, labor cost and material cost of the land leveler, the mechanical cost, labor cost and material cost of the road roller and the mechanical cost, labor cost and material cost of the watering truck, and the slope trimming cost is calculated according to the mechanical cost, labor cost and material cost of the loader and the refueling truck;

[0009] The management cost is calculated according to the salary of the winning bidder's construction site management personnel;

[0010] The tax is calculated according to the drilling and blasting cost, mining and loading cost, transportation cost, dumping cost, road maintenance cost, slope trimming cost and management cost and tax rate;

[0011] The comprehensive unit price is determined according to the drilling and blasting cost, mining and loading cost, transportation cost, dumping cost, road maintenance cost, slope trimming cost, management cost and tax.

[0012] As a further limitation of the first aspect of the present application, the mechanical cost is calculated according to the original value of the equipment and the payback period.

[0013] As a further limitation of the first aspect of the application, the labor cost is calculated according to the salary of the equipment operator.

[0014] As a further limitation of the first aspect of the application, the material cost of the drilling rig is calculated according to the fuel cost, drill bit cost, drill pipe cost, detonating tube cost, detonator cost and explosive cost.

[0015] As a further limitation of the first aspect of the application, the material cost of the excavator, dump truck, bulldozer, grader, road roller, watering truck, loader and refueling truck is calculated according to the fuel cost.

[0016] As a further limitation of the first aspect of the application, the tax rate is 13%.

[0017] In a second aspect, the present application provides an open-pit coal mine earthwork stripping comprehensive unit price determination system, comprising:

[0018] A first calculation module is configured to calculate the drilling cost, mining and loading cost, transportation cost and dumping cost according to the mechanical cost, labor cost and material cost of the drilling rig, excavator, dump truck and bulldozer, respectively.

[0019] A second calculation module is configured to calculate the road maintenance cost according to the mechanical cost, labor cost and material cost of the grader, the mechanical cost, labor cost and material cost of the road roller and the mechanical cost, labor cost and material cost of the watering truck, and to calculate the slope trimming cost according to the mechanical cost, labor cost and material cost of the loader and refueling truck.

[0020] A third calculation module is configured to calculate the management cost according to the salary of the winning bidder's construction site management personnel.

[0021] A fourth calculation module is configured to calculate the tax according to the drilling cost, mining and loading cost, transportation cost, dumping cost, road maintenance cost, slope trimming cost and management cost and tax rate.

[0022] A determination module is configured to determine the comprehensive unit price according to the drilling cost, mining and loading cost, transportation cost, dumping cost, road maintenance cost, slope trimming cost, management cost and tax.

[0023] In a third aspect, the present application provides a non-transitory computer readable storage medium for storing computer instructions, which, when executed by a processor, implement the open-pit coal mine earthwork stripping comprehensive unit price determination method of the first aspect.

[0024] In a fourth aspect, the present application provides a computer device comprising a memory and a processor, the processor and the memory being in communication with each other, the memory storing program instructions executable by the processor, and the processor invoking the program instructions to execute the open-pit coal mine earthwork stripping comprehensive unit price determination method of the first aspect.

[0025] In a fifth aspect, the present application provides an electronic device, comprising: a processor, a memory and a computer program; wherein the processor is connected with the memory, and the computer program is stored in the memory; when the electronic device is running, the processor executes the computer program stored in the memory, so that the electronic device executes instructions for realizing the method for determining the comprehensive unit price of earthwork stripping in an open-pit coal mine according to the first aspect.

[0026] The present application has the advantages that: a reasonable comprehensive unit price of earthwork stripping in an open-pit coal mine is determined, equivalence between payment and construction service is realized, economic disputes among multiple parties such as a tenderer, a winning bidder and a tender agent are avoided, and the smooth development of the outsourcing construction of earthwork stripping in an open-pit coal mine is facilitated. The method is not only suitable for determining the comprehensive unit price of earthwork stripping in an open-pit coal mine, but also suitable for determining the comprehensive unit price of earthwork stripping in an open-pit non-coal mine.

[0027] The advantages of the additional aspects of the present application will be more apparent from the following description section or be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort.

[0029] Figure 1 The method for determining the comprehensive unit price of earthwork stripping in an open-pit coal mine is shown in the flowchart. DETAILED DESCRIPTION

[0030] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with the drawings are exemplary and are only used to explain the present application, and cannot be interpreted as a limitation on the present application.

[0031] Those skilled in the art can understand that, unless otherwise defined, all the terms (including technical terms and scientific terms) used herein have the same meaning as that generally understood by those skilled in the art in the field to which the present application belongs.

[0032] It should also be understood that terms such as those defined in general dictionaries should be understood to have meanings consistent with those in the context of the prior art, and will not be interpreted with idealized or overly formal meanings unless defined as such.

[0033] Those skilled in the art will understand that the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," "including," "has," "having," "has" and the like, when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, and / or groups thereof.

[0034] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Those skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0035] In order to facilitate the understanding of the present application, the present application will be further explained and described in specific embodiments in connection with the accompanying drawings, and the specific embodiments do not constitute a limitation on the embodiments of the present application.

[0036] Those skilled in the art should understand that the drawings are only schematic of the embodiments, and the components in the drawings are not necessarily essential for the implementation of the present application.

[0037] Embodiment 1

[0038] In this embodiment 1, first provide an open-pit coal mine earthwork stripping comprehensive unit price determination system, comprising: a first calculation module, for calculating the drilling, excavator, dump truck, bulldozer mechanical cost, labor cost and material cost, respectively, to calculate the cost of blasting, mining and loading, transportation and dumping; The second calculation module is used for calculating the road maintenance cost according to the mechanical cost, labor cost and material cost of the land leveler, the mechanical cost, labor cost and material cost of the road roller and the mechanical cost, labor cost and material cost of the watering car; The mechanical cost, labor cost and material cost of the loader and the refueling vehicle are used to calculate the slope finishing cost; The third calculation module is used for calculating the management cost according to the salary of the winning bidder's construction site management personnel; The fourth calculation module is used for calculating the tax according to the cost of blasting, mining and loading, transportation and dumping, road maintenance cost, slope finishing cost and management cost and tax rate; The determination module is used for determining the comprehensive unit price according to the cost of blasting, mining and loading, transportation and dumping, road maintenance cost, slope finishing cost, management cost and tax.

[0039] In this embodiment, the above-mentioned system is used to implement a method for determining a comprehensive unit price for earthwork stripping in an open-pit coal mine, including: using a first calculation module to calculate drilling and blasting costs, mining and loading costs, transportation costs, and soil removal costs based on the machinery costs, labor costs, and material costs of a drilling rig, an excavator, a dump truck, and a bulldozer; using a second calculation module to calculate road maintenance costs based on the machinery costs, labor costs, and material costs of a grader, the machinery costs, labor costs, and material costs of a road roller, and the machinery costs, labor costs, and material costs of a water truck; calculating slope repair costs based on the machinery costs, labor costs, and material costs of a loader and a tanker; using a third calculation module to calculate management costs based on the salaries of the construction site management personnel of the successful bidder; using a fourth calculation module to calculate taxes based on the drilling and blasting costs, mining and loading costs, transportation costs, soil removal costs, road maintenance costs, slope repair costs, management costs, and tax rates; and finally, using a determination module to determine a comprehensive unit price based on the drilling and blasting costs, mining and loading costs, transportation costs, soil removal costs, road maintenance costs, slope repair costs, management costs, and taxes.

[0040] The machinery cost is calculated based on the original equipment value and payback period. The labor cost is calculated based on the equipment operator's salary. The material cost of the drilling rig is calculated based on fuel, drill bit, drill rod, detonating tube, detonator, and explosives. The material cost of the excavator, dump truck, bulldozer, grader, roller, water truck, loader, and refueling truck is calculated based on fuel. The tax rate is 13%.

[0041] Example 2

[0042] like Figure 1 As shown, this embodiment provides a method for calculating the comprehensive unit price of earthwork stripping in an open-pit coal mine, which includes steps S1 to S9:

[0043] S1: Calculate the drilling and blasting cost based on the drilling rig's machinery cost, labor cost, and material cost;

[0044]

[0045] Where: P d is the blasting cost, the unit is yuan / m 3 ; J d C is the mechanical fee of the drilling rig, in RMB / shift; d is the material cost of the drilling rig, in RMB / shift; R d is the labor cost of drilling rig, RMB / shift; S d is the production capacity of the drilling rig, m 3 / Shift.

[0046] In this example, the machinery cost is calculated based on the original value of the drilling rig and its payback period. The labor cost is calculated based on the drilling rig operator's salary. The material cost is calculated based on the drilling rig's fuel costs, drill bit costs, drill rod costs, detonating tube costs, detonator costs, and explosives costs.

[0047] S2: Calculate the mining and loading cost by the mechanical cost, labor cost and material cost of the excavator;

[0048]

[0049] P = J + R + C e is the mining and loading cost, yuan / m 3 ; J e is the mechanical cost of the excavator, yuan / hour; C e is the material cost of the excavator, yuan / hour; R e is the labor cost of the excavator, yuan / hour; S e is the production capacity of the excavator, m 3 / hour.

[0050] In this embodiment, the mechanical cost is calculated by the original value of the equipment of the excavator and the payback period. The labor cost is calculated by the salary of the operator of the excavator. The material cost is calculated by the fuel cost of the excavator.

[0051] S3: Calculate the transportation cost by the mechanical cost, labor cost and material cost of the dump truck;

[0052]

[0053] P = J + R + C w is the transportation cost, yuan / m 3 ; J w is the mechanical cost of the dump truck, yuan / hour; C w is the material cost of the dump truck, yuan / shift; R w is the labor cost of the dump truck, yuan / hour; S w is the production capacity of the dump truck, m 3 / hour.

[0054] In this embodiment, the mechanical cost is calculated by the original value of the equipment of the dump truck and the payback period. The labor cost is calculated by the salary of the operator of the dump truck. The material cost is calculated by the fuel cost of the dump truck.

[0055] S4: Calculate the soil removal cost by the mechanical cost, labor cost and material cost of the bulldozer;

[0056]

[0057] P = J + R + C b is the soil removal cost, yuan / m 3 ; J b is the mechanical cost of the bulldozer, yuan / hour; C b is the material cost of the bulldozer, yuan / hour; R b is the labor cost of the bulldozer, yuan / hour; N bS is the number of bulldozers, units; S w S is the production capacity of dump trucks, m 3 / hour; N w S is the number of dump trucks, units.

[0058] In this embodiment, the mechanical cost is calculated from the original value of the equipment and the payback period. The labor cost is calculated from the salary of the bulldozer operator. The material cost is calculated from the fuel cost of the bulldozer.

[0059] S5: Calculate the road maintenance cost from the mechanical cost, labor cost, and material cost of the grader, road roller, and watering truck;

[0060]

[0061] P = (J * N) / S mrt is the road maintenance cost, yuan / m 3 ; J m is the mechanical cost of the grader, yuan / hour; C m is the material cost of the grader, yuan / hour; R m is the labor cost of the grader, yuan / hour; N m is the number of graders, units; J r is the mechanical cost of the road roller, yuan / hour; C r is the material cost of the road roller, yuan / hour; R r is the labor cost of the road roller, yuan / hour; N r is the number of road rollers, units; J t is the mechanical cost of the watering truck, yuan / hour; C t is the material cost of the watering truck, yuan / hour; R t is the labor cost of the watering truck, yuan / hour; N t is the number of watering trucks, units; S w S is the production capacity of dump trucks, m 3 / hour; N w S is the number of dump trucks, units.

[0062] In this embodiment, the mechanical cost is calculated from the original value of the equipment and the payback period. The labor cost is calculated from the salary of the bulldozer operator. The material cost is calculated from the fuel cost of the bulldozer.

[0063] S6: Calculate the slope trimming cost from the mechanical cost, labor cost, and material cost of the loader and refueling truck;

[0064]

[0065] P = (J * N) / S fv is the slope trimming cost, yuan / m 3 ; J f is the mechanical cost of the loader, yuan / hour; C fThe mechanical cost of the loader, yuan / hour; C f The labor cost of the loader, yuan / hour; N f The number of the loader, unit; J v The mechanical cost of the refueling vehicle, yuan / hour; C v The material cost of the refueling vehicle, yuan / hour; R v The labor cost of the refueling vehicle, yuan / hour; N v The number of the refueling vehicle, unit; S w The production capacity of the dump truck, m 3 The labor cost of the dump truck, yuan / hour; N w The number of the dump truck, unit.

[0066] In this embodiment, the mechanical cost is calculated from the original value of the equipment and the payback period. The labor cost is calculated from the salary of the equipment operator. The material cost is calculated from the fuel cost.

[0067] S7: The management cost is calculated from the salary of the construction site management personnel of the winning bidder;

[0068] S8: The tax is calculated from the blasting cost, the mining and dressing cost, the transportation cost, the soil discharge cost, the road maintenance cost, the slope trimming cost, the management cost, and the tax rate.

[0069] In this embodiment, the tax rate is 13%.

[0070] S9: The comprehensive unit price is calculated from the blasting cost, the mining and dressing cost, the transportation cost, the soil discharge cost, the road maintenance cost, the slope trimming cost, the management cost, and the tax.

[0071] In this embodiment, the provided method is not only suitable for determining the comprehensive unit price of earthwork stripping in an open-pit coal mine, but also suitable for determining the comprehensive unit price of earthwork stripping in an open-pit non-coal mine.

[0072] Specifically, in this embodiment, other calculation formulas involved are as follows:

[0073] The production capacity of the drilling machine:

[0074] In the formula, S d is the production capacity of the drilling machine, m 3 per shift; V is the footage per shift, m per shift; β is the drilling machine shift drilling time ratio, which is 0.8; γ is the waste hole rate, %; a is the row spacing, m; b is the hole spacing, m; H is the step height, m; and h is the overdeep, m.

[0075] The production capacity of the excavator:

[0076] In the formula, S e is the production capacity of the excavator, m 3 per hour; Ee Bucket volume, m 3 ; ψ e Full load factor, %; η e Time utilization rate of excavator, %; T e One cycle time of excavator loading, s; λ Bulk material loose coefficient.

[0077] Production capacity of dump truck:

[0078] In the formula: S w Production capacity of dump truck, m 3 / hour; E w Volume of dump truck compartment, m 3 ; ψ w Full load factor, %; η w Time utilization rate of dump truck, %; T w Operation cycle of dump truck, min.

[0079] Management fee calculation:

[0080] In the formula: P gzj Management fee, yuan / m 3 ; Q g Hourly salary of administrative staff, yuan / hour; N g Number of administrative staff, person; Q z Hourly salary of functional staff, yuan / hour; N z Number of functional staff, person; Q j Hourly salary of technical staff, yuan / hour; N j Number of technical staff, person; S w Production capacity of dump truck, m 3 / hour; N w Number of dump trucks, units.

[0081] Tax calculation is:

[0082] In the formula: P t Tax, yuan / m 3 ; P d Blasting cost, yuan / m 3 ; P e Mining and loading cost, yuan / m 3 ; P w Transportation cost, yuan / m 3 ; P b Waste dumping cost, yuan / m 3 ; P mrt Road maintenance cost, yuan / m 3 ; Pfv P is the management cost, yuan / m 3 gzj P is the management cost, yuan / m 3 P is the tax rate, %.

[0083] Finally, the comprehensive unit price of earthwork stripping in the open-pit coal mine: P = P t + P d + P e + P w + P b + P mrt + P fv + P gzj

[0084] P is the comprehensive unit price of earthwork stripping in the open-pit coal mine, yuan / m 3 P is the tax, yuan / m t P is the tax, yuan / m 3 P is the cost of drilling and blasting, yuan / m d P is the cost of drilling and blasting, yuan / m 3 P is the cost of drilling and blasting, yuan / m e P is the cost of drilling and blasting, yuan / m 3 P is the cost of drilling and blasting, yuan / m w P is the cost of drilling and blasting, yuan / m 3 P is the cost of drilling and blasting, yuan / m b P is the cost of drilling and blasting, yuan / m 3 P is the cost of drilling and blasting, yuan / m mrt P is the cost of drilling and blasting, yuan / m 3 P is the cost of drilling and blasting, yuan / m fv P is the cost of drilling and blasting, yuan / m 3 P is the cost of drilling and blasting, yuan / m gzj P is the cost of drilling and blasting, yuan / m 3 .

[0085] According to the comprehensive unit price calculation method of earthwork stripping in the open-pit coal mine provided in the above embodiment, three earthwork stripping outsourcing construction projects that have successfully bid and have no economic disputes are combined to measure and calculate the comprehensive unit price of earthwork stripping. The measurement results are shown in Table 1.

[0086] Table 1

[0087]

[0088] The winning of the construction party means that the winning price can cover the construction cost and reasonable profit, so the measured price must be close to and lower than the winning price to avoid the construction party obtaining the income beyond the construction cost and reasonable profit. As can be seen from Table 1, the measured prices of the three projects are close to and lower than the winning prices, which to some extent reflects the rationality of the measured price and the correctness of the comprehensive unit price calculation method of earthwork stripping in the open-pit coal mine.

[0089] Example 3 ​​

[0090] The embodiment 3 provides a non-transitory computer readable storage medium for storing computer instructions, wherein the computer instructions are executed by a processor to realize the open-pit coal mine earthwork stripping comprehensive unit price determination method as described above, and the method comprises the following steps of:

[0091] The drilling cost, the mining and loading cost, the transportation cost and the dumping cost are respectively calculated according to the mechanical cost, the labor cost and the material cost of the drilling machine, the excavator, the self-unloading truck and the bulldozer;

[0092] The road maintenance cost is calculated according to the mechanical cost, the labor cost and the material cost of the land leveler, the mechanical cost, the labor cost and the material cost of the road roller and the mechanical cost, the labor cost and the material cost of the watering truck, and the slope trimming cost is calculated according to the mechanical cost, the labor cost and the material cost of the loader and the refueling vehicle;

[0093] The management cost is calculated according to the salary of the construction site management personnel of the winning bidder;

[0094] The tax is calculated according to the drilling cost, the mining and loading cost, the transportation cost, the dumping cost, the road maintenance cost, the slope trimming cost, the management cost and a tax rate;

[0095] The comprehensive unit price is determined according to the drilling cost, the mining and loading cost, the transportation cost, the dumping cost, the road maintenance cost, the slope trimming cost, the management cost and the tax.

[0096] Embodiment 4

[0097] The embodiment 4 provides a computer device, comprising a memory and a processor, the processor and the memory communicate with each other, the memory stores program instructions executable by the processor, and the processor invokes the program instructions to execute the open-pit coal mine earthwork stripping comprehensive unit price determination method as described above, and the method comprises the following steps of:

[0098] The drilling cost, the mining and loading cost, the transportation cost and the dumping cost are respectively calculated according to the mechanical cost, the labor cost and the material cost of the drilling machine, the excavator, the self-unloading truck and the bulldozer;

[0099] The road maintenance cost is calculated according to the mechanical cost, the labor cost and the material cost of the land leveler, the mechanical cost, the labor cost and the material cost of the road roller and the mechanical cost, the labor cost and the material cost of the watering truck, and the slope trimming cost is calculated according to the mechanical cost, the labor cost and the material cost of the loader and the refueling vehicle;

[0100] The management cost is calculated according to the salary of the construction site management personnel of the winning bidder;

[0101] The tax is calculated according to the drilling cost, the mining and loading cost, the transportation cost, the dumping cost, the road maintenance cost, the slope trimming cost, the management cost and a tax rate;

[0102] The comprehensive unit price is determined according to the drilling and blasting cost, the mining and loading cost, the transportation cost, the soil removal cost, the road maintenance cost, the slope trimming cost, the management cost and the tax.

[0103] Embodiment 5

[0104] The embodiment 5 provides an electronic device, comprising a processor, a memory and a computer program; wherein the processor is connected with the memory, and the computer program is stored in the memory; when the electronic device is running, the processor executes the computer program stored in the memory, so that the electronic device executes instructions for realizing the open-pit coal mine earthwork stripping comprehensive unit price determination method as described above, and the method comprises the following steps of:

[0105] The drilling and blasting cost, the mining and loading cost, the transportation cost and the soil removal cost are respectively calculated according to the mechanical cost, the labor cost and the material cost of the drilling machine, the excavator, the self-unloading truck and the bulldozer;

[0106] The road maintenance cost is calculated according to the mechanical cost, the labor cost and the material cost of the land leveler, the mechanical cost, the labor cost and the material cost of the road roller and the mechanical cost, the labor cost and the material cost of the watering truck; and the slope trimming cost is calculated according to the mechanical cost, the labor cost and the material cost of the loader and the refueling vehicle;

[0107] The management cost is calculated according to the salary of the construction site management personnel of the winning bidder;

[0108] The tax is calculated according to the drilling and blasting cost, the mining and loading cost, the transportation cost, the soil removal cost, the road maintenance cost, the slope trimming cost and the management cost and the tax rate;

[0109] The comprehensive unit price is determined according to the drilling and blasting cost, the mining and loading cost, the transportation cost, the soil removal cost, the road maintenance cost, the slope trimming cost, the management cost and the tax.

[0110] Those skilled in the art will appreciate that embodiments of the present application can be devised for a method, a system, or a computer program product. Accordingly, the present application can take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application can take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROMs, optical storage devices, etc.) embodying computer-readable program code.

[0111] The computer program instructions can also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer-implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart or flows and / or block or blocks in the block diagrams. Figure 1 one or more flows and / or blocks. Figure 1 one or more blocks.

[0112] These computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture including instructions which implement the function specified in the flowchart or flows and / or block or blocks in the block diagrams. Figure 1 one or more flows and / or blocks. Figure 1 one or more blocks.

[0113] The computer program instructions can also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer-implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart or flows and / or block or blocks in the block diagrams. Figure 1 one or more flows and / or blocks. Figure 1 one or more blocks.

[0114] The above description is only a specific implementation of the present application, and is not intended to limit the protection scope of the present application. It should be understood by those skilled in the art that various modifications or changes can be made on the basis of the disclosed technical solutions without any inventive effort, and all these modifications or changes should be covered within the protection scope of the present application.

Claims

1. A method for determining the comprehensive unit price of earthwork stripping in an open-pit coal mine, characterized in that: include: Calculate the drilling and blasting costs, mining and loading costs, transportation costs, and earth removal costs based on the machinery costs, labor costs, and material costs of the drilling rig, excavator, dump truck, and bulldozer respectively; Calculate road maintenance costs based on the mechanical costs, labor costs, and material costs of the grader, roller, and water truck; calculate slope repair costs based on the mechanical costs, labor costs, and material costs of the loader and tanker; Management fees are calculated based on the salaries of the construction site management personnel of the successful bidder; Taxes are calculated based on drilling and blasting costs, mining and loading costs, transportation costs, earth removal costs, road maintenance costs, slope modification costs, and administrative costs, as well as tax rates; The comprehensive unit price is determined based on the blasting costs, mining and loading costs, transportation costs, soil discharge costs, road maintenance costs, slope repair costs, management costs and taxes.

2. The method for determining the comprehensive unit price of earthwork stripping in open-pit coal mines according to claim 1, characterized in that: The machinery fee is calculated based on the original value of the equipment and the payback period.

3. The method for determining the comprehensive unit price of earthwork stripping in an open-pit coal mine according to claim 1, characterized in that: The labor costs are calculated based on the salary of the equipment operator.

4. The method for determining the comprehensive unit price of earthwork stripping in an open-pit coal mine according to claim 1, characterized in that: The material cost of the drilling rig is calculated based on fuel cost, drill bit cost, drill rod cost, detonating tube cost, detonator cost and explosive cost.

5. The method for determining the comprehensive unit price of earthwork stripping in an open-pit coal mine according to claim 1, characterized in that: The material costs of the excavators, dump trucks, bulldozers, graders, rollers, water trucks, loaders and tanker trucks are calculated based on the fuel costs.

6. The method for determining the comprehensive unit price of earthwork stripping in an open-pit coal mine according to claim 1, characterized in that: The tax rate is 13%.

7. A system for determining the comprehensive unit price of earthwork stripping in open-pit coal mines, characterized in that: include: The first calculation module is used to calculate the drilling and blasting costs, mining and loading costs, transportation costs and earth removal costs based on the machinery costs, labor costs and material costs of the drilling rig, excavator, dump truck and bulldozer respectively; The second calculation module is used to calculate the road maintenance cost based on the mechanical costs, labor costs and material costs of the grader, the mechanical costs, labor costs and material costs of the roller, and the mechanical costs, labor costs and material costs of the sprinkler; and calculate the slope repair cost based on the mechanical costs, labor costs and material costs of the loader and the tanker; The third calculation module is used to calculate the management fee based on the salary of the construction site management personnel of the successful bidder; The fourth calculation module is used to calculate taxes based on drilling and blasting costs, mining and loading costs, transportation costs, earth removal costs, road maintenance costs, slope modification costs and management costs and tax rates; The determination module is used to determine the comprehensive unit price based on the blasting costs, mining and loading costs, transportation costs, soil disposal costs, road maintenance costs, slope modification costs, management costs and taxes.

8. A non-transitory computer-readable storage medium, characterized in that The non-transitory computer-readable storage medium is used to store computer instructions. When the computer instructions are executed by the processor, the method for determining the comprehensive unit price of earthwork stripping in an open-pit coal mine as described in any one of claims 1 to 6 is implemented.

9. A computer device, characterized in that: It includes a memory and a processor, the processor and the memory communicate with each other, the memory stores program instructions that can be executed by the processor, and the processor calls the program instructions to execute the method for determining the comprehensive unit price of earth and stone stripping in an open-pit coal mine as described in any one of claims 1-6.

10. An electronic device, characterized in that: include: A processor, a memory, and a computer program; wherein the processor is connected to the memory, and the computer program is stored in the memory. When the electronic device is running, the processor executes the computer program stored in the memory to enable the electronic device to execute instructions for implementing the method for determining the comprehensive unit price of earth and stone stripping in an open-pit coal mine as described in any one of claims 1 to 6.

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