CN110705764A - Mechanical configuration method, device and equipment based on safety step pitch and storage medium - Google Patents
Mechanical configuration method, device and equipment based on safety step pitch and storage medium Download PDFInfo
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- CN110705764A CN110705764A CN201910905793.4A CN201910905793A CN110705764A CN 110705764 A CN110705764 A CN 110705764A CN 201910905793 A CN201910905793 A CN 201910905793A CN 110705764 A CN110705764 A CN 110705764A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/08—Construction
Abstract
The invention provides a mechanical configuration method, a device, equipment and a storage medium based on a safe step pitch, which comprises the following steps: detecting rheological properties of surrounding rocks, and determining construction safety steps according to different surrounding rock grades; determining a plurality of groups of mechanical matching schemes for the construction operation line according to the construction safety step; and comparing the construction efficiency of each group of mechanical matching schemes, and selecting the mechanical matching scheme with the highest efficiency for construction. The mechanical matching selected by experience in the past is improved, on-site mechanical equipment can be fully called, the construction progress is optimized, the construction cost is saved, the construction environment is improved, the construction quality is ensured, high efficiency, economy, environmental protection and energy conservation are realized, and the method has very important guiding significance for construction; the mechanical configuration scheme is directly quantized according to different safety layouts, and the method is simple and easy to operate and convenient to excavate and use on site.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a mechanical configuration method, a device, equipment and a storage medium based on a safety step.
Background
The core of the mechanized construction of the long and large tunnel is the coordinated operation of various mechanical matching devices, so that the labor cost can be reduced, the construction period can be shortened, and the construction quality and the construction efficiency can be improved. The traditional mechanized matching scheme is mainly selected by experience, and lacks of perfect qualitative analysis theory and method, so that the matching scheme is imperfect, and even the optimal scheme is neglected sometimes. The overall benefit of the tunnel equipment cannot be brought into play without a reasonable mechanized matching scheme. How to reasonably select construction equipment under various geological conditions is the premise of mechanized construction, so that the principle of equipment selection and matching suitable for tunnel mechanized construction is very important.
The mechanized matching scheme of the tunnel refers to the combination of a series of construction machines which are required in various main operation procedures in the whole construction process from excavation to tunnel boring and can be matched with each other in the construction process without interference. The single construction machine with good performance needs to be comprehensively selected and matched to achieve the ideal construction effect. The reasonable mechanical matching scheme greatly improves the engineering economy and safety. The mechanical configuration is one of important factors for measuring a mechanical construction scheme, determines construction process, quality and progress to a great extent, and can influence the design of the whole construction organization.
The reasonable mechanical matching scheme can fully call on-site mechanical equipment, optimize the construction progress, save the construction cost, improve the construction environment, ensure the construction quality, realize high efficiency, economy, environmental protection and energy conservation, and has very important guiding significance for construction. The selected construction machine is suitable for construction conditions such as actual characteristics of engineering, geological environment, engineering scale, construction site, section size, transportation distance and the like, the production capacity of the selected machine is in accordance with requirements of engineering quantity and engineering progress, the working capacity of the machine can be fully exerted, and the requirements of construction quality are met. The geological condition determines the selection of the tunnel excavation construction method, and the excavation construction method determines the configuration of excavation mechanical equipment, so that how to configure the excavation mechanical equipment is very important.
Disclosure of Invention
The present invention at least solves one of the technical problems in the prior art, and provides a method, an apparatus, a device and a storage medium for mechanized configuration based on a safe step pitch. The method can determine a simple and easily-operated mechanical configuration scheme according to the safety step distance requirements of different surrounding rock levels so as to achieve the optimal tunnel excavation efficiency.
In a first aspect of the present invention, a method for mechanized configuration based on a safe step pitch is provided, which includes the following steps:
detecting rheological properties of surrounding rocks, and determining construction safety steps according to different surrounding rock grades;
determining a plurality of groups of mechanical matching schemes for the construction operation line according to the construction safety step;
and comparing the construction efficiency of each group of mechanical matching schemes, and selecting the mechanical matching scheme with the highest efficiency for construction.
Further, the construction safety step comprises: the safety step distance between the inverted arch and the tunnel face and the safety step distance between the secondary lining and the tunnel face.
Further, the construction line includes: the system comprises an advanced geological forecast line, an excavation line, a slag loading and transporting line, a primary support line, an inverted arch line, a waterproof line, a secondary lining line, a groove line, a ventilation and drainage auxiliary line and a maintenance line.
Further, the multiple groups of mechanized matching schemes comprise: a complete section construction method matching scheme, a step construction method matching scheme and a micro-step construction method matching scheme.
In a second aspect of the present invention, a safety-step-based mechanized configuration device is provided, which includes: the system comprises a safety step distance determining unit, a scheme matching unit and a scheme selecting unit;
the safety step determining unit is used for detecting rheological characteristics of surrounding rocks and determining construction safety steps according to different surrounding rock levels;
the scheme matching unit is used for determining a plurality of groups of mechanized matching schemes for the construction operation line according to the construction safety step pitch;
the scheme selection unit is used for comparing the construction efficiency of each group of mechanical matching schemes and selecting the mechanical matching scheme with the highest efficiency for construction.
In a third aspect of the invention, a safety-stride-based mechanized configuration device is provided, comprising at least one control processor and a memory for communicative connection with the at least one control processor; the memory stores instructions executable by the at least one control processor to enable the at least one control processor to perform a method of safety-stride-based mechanized configuration according to the first aspect of the present invention.
In a fourth aspect of the present invention, there is provided a computer-readable storage medium characterized in that: the computer-readable storage medium stores computer-executable instructions for causing a computer to perform a method for secure stride-based mechanized configuration according to the first aspect of the present invention.
The mechanical configuration method, the device, the equipment and the storage medium based on the safe step pitch have the following beneficial effects:
the method has the advantages that the mechanical matching selected by experience in the past is improved, on-site mechanical equipment can be fully called, the construction progress is optimized, the construction cost is saved, the construction environment is improved, the construction quality is ensured, high efficiency, economy, environmental protection and energy conservation are realized, and the method has very important guiding significance for construction; the method directly quantifies the mechanical configuration scheme according to different safety layouts, is simple and easy to operate, and is convenient for field excavation and use.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
fig. 1 is a schematic flow chart of a safety step-based mechanical configuration method according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a safety-step-based mechanized deployment apparatus according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a safety-stride-based mechanized deployment apparatus according to a second embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
Referring to fig. 1, a first embodiment of the present invention provides a safety step distance-based mechanized configuration method, including the following steps:
s100, detecting rheological characteristics of surrounding rocks, and determining construction safety steps according to different surrounding rock grades;
s200, determining a plurality of groups of mechanized matching schemes for the construction line according to the construction safety step pitch;
s300, comparing the construction efficiency of each group of mechanical matching schemes, and selecting the mechanical matching scheme with the highest efficiency for construction.
The traditional mechanized matching scheme is mainly selected by experience, and a perfect qualitative analysis theory and a perfect qualitative analysis method are lacked, so that the mechanized matching scheme is imperfect, and even the optimal scheme is neglected sometimes. Therefore, the embodiment provides a simple and practical mechanized matching method for achieving the optimal tunnel excavation efficiency, the method determines the construction safety step distance according to different surrounding rock levels of the tunnel based on five principles of a geological advance principle, a progress priority principle, a quality controllable principle, a safe and reliable principle, an economic and reasonable principle and an environment protection principle of the mechanized construction equipment model selection of the long tunnel, then provides a simple and easy-to-operate modern mechanized configuration scheme based on the construction safety step distance, and finally achieves the optimal tunnel excavation efficiency. It should be understood that the most efficient mechanized supporting scheme is the most time-cost efficient mechanized supporting scheme, that is, the scheme with the least construction time is selected.
Further, the construction operation lines include ten lines common to the railway tunnel construction, and specifically include: the system comprises an advanced geological forecast line, an excavation line, a slag loading and transporting line, a primary support line, an inverted arch line, a waterproof line, a secondary lining line, a groove line, a ventilation and drainage auxiliary line and a maintenance line. The construction equipment involved includes: the system comprises a series of matching schemes of machines such as a multifunctional drilling machine, a three-arm hydraulic drilling jumbo, a charging jumbo, a multifunctional drilling and blasting jumbo, a pneumatic drill, a milling and excavating machine, an excavator, a loader, a self-discharging automobile, a concrete spraying manipulator, a three-arm arch frame installing machine, a self-propelled inverted arch trestle, a semi-automatic or full-automatic self-propelled full-hydraulic two-lining jumbo, a spray maintenance or intelligent maintenance vehicle, a full-hydraulic integral groove jumbo, an axial flow fan, sewage treatment equipment and the like. For example: the excavation line relates to a fully-computerized three-arm hydraulic rock drilling trolley, a fully-computerized two-arm hydraulic rock drilling trolley, a self-made multifunctional drilling and blasting trolley, a self-made charging trolley and a processing underexcavation milling and excavating machine; the slag loading and transporting operation line relates to a top finding excavator, a slag loading loader and a transportation dump truck; the primary support operation line relates to a jumbolter, a concrete spraying manipulator, a three-arm arch mounting machine and a three-arm rock drilling trolley; the inverted arch operating line relates to a dragging type inverted arch trestle, a self-propelled inverted arch trestle with a span of 12m and a self-propelled inverted arch trestle with a span of 24 m; the waterproof operation line relates to a full-automatic waterproof hanging plate trolley and a semi-automatic waterproof hanging plate trolley which are suitable for self-adhesive waterproof plates; the second lining operation line relates to a self-propelled full-hydraulic second lining trolley; the maintenance line relates to a spray maintenance trolley and an intelligent heat-preservation and moisture-preservation maintenance trolley; the trench operating line relates to a left-right integrated full-hydraulic integral type ditch cable trough trolley and a left-right split full-hydraulic integral type ditch cable trough trolley; a ventilation and drainage auxiliary operation line relates to an axial flow fan, a jet fan and a dust remover.
Further, construction safety step includes: the safety step of the inverted arch from the tunnel face and the safety step of the secondary lining from the tunnel face, for example in railway tunnels:
the safety step distance between the inverted arch and the tunnel face is required as follows:
(1) the distance between the inverted arches of the I, II and III grade surrounding rock sections and the tunnel face is not more than 90 m;
(2) the distance between the inverted arch of the IV, V and VI grade surrounding rock section and the tunnel face is not more than 35 m.
The safe step distance requirement of the secondary lining from the tunnel face is as follows:
(1) the distance between the second lining of the I-level surrounding rock section and the second lining of the II-level surrounding rock section is not more than 200m from the tunnel face;
(2) the distance between the second lining of the III-grade surrounding rock section and the tunnel face is not more than 120 m;
(3) the distance between the second lining of the IV-grade surrounding rock section and the tunnel face is not more than 90m or the design rule;
(4) and the distance between the second lining of the surrounding rock sections V and VI and the tunnel face is not more than 70m or the design regulation.
For example again in a road tunnel:
(1) the distance between the closed positions of the IV, V and VI grade surrounding rocks and the tunnel face is not more than 35 m;
(2) the secondary lining IV-level surrounding rock is not more than 90m, and the V-level and VI-level surrounding rocks are not more than 70 m.
Further, the multiple groups of mechanized matching schemes comprise: a complete section construction method matching scheme, a step construction method matching scheme and a micro-step construction method matching scheme. For example, when a safety step distance of 90 meters is selected for the class iii surrounding rock, the mechanical configuration when the full face construction method, the bench construction method and the micro-bench construction method are adopted for excavation can be referred to as the following table 1:
TABLE 1
Referring to fig. 2, further, a second embodiment of the present invention provides a safety-stride-based mechanized deploying apparatus 1000, including: a safety step determining unit 1100, a scheme supporting unit 1200, and a scheme selecting unit 1300;
the safety step pitch determining unit 1100 is used for detecting rheological characteristics of surrounding rocks and determining construction safety step pitches according to different surrounding rock grades;
the scheme matching unit 1200 is used for determining a plurality of groups of mechanized matching schemes for the construction line according to the construction safety step;
the scheme selection unit 1300 is used for comparing the construction efficiency of each group of mechanized matching schemes and selecting the mechanized matching scheme with the highest efficiency for construction.
It should be noted that, since the safety-step-based mechanized configuration device in this embodiment is based on the same inventive concept as the safety-step-based mechanized configuration method described above, the corresponding contents in the method embodiment are also applicable to this device embodiment, and are not described in detail here.
Referring to fig. 3, further, the third embodiment of the present invention also provides a safety-stride-based mechanized configuration device 200, which may be any type of smart terminal, such as a mobile phone, a tablet computer, a personal computer, etc.
Specifically, the safety-stride-based mechanized configuration device 200 includes: one or more control processors 201 and a memory 202, and the present implementation takes one control processor 201 as an example. The control processor 201 and the memory 202 may be connected by a bus or other means, and the present embodiment is exemplified by being connected by a bus.
The memory 202, which is a non-transitory computer readable storage medium, may be used to store non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules corresponding to the safety stride-based mechanized configuration device of embodiments of the present invention. Such as the secure stride determination unit 1100, the scenario complement unit 1200, and the scenario selection unit 1300 shown in fig. 2; the control processor 201 executes various functional applications and data processing of the safety-stride-based mechanized configuration apparatus by executing the non-transitory software programs, instructions, and modules stored in the memory 202, that is, implements the safety-stride-based mechanized configuration method of the above-described method embodiment.
The memory 202 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the stored data area may store data created from use of the safety-stride-based mechanized configuration device 1000, and the like. Further, the memory 202 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory 202 may optionally include memory located remotely from the control processor 201, which may be connected to the secure stride based mechanized configuration device 200 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the memory 202 and, when executed by the one or more control processors 201, perform the safe stride-based mechanized configuration method of the above-described method embodiments. For example, the above-described method steps S100 to S300 in fig. 1 are performed.
Embodiments of the present invention also provide a computer-readable storage medium storing computer-executable instructions, which are executed by one or more control processors 201, for example, by one control processor 201 to execute the safety step distance-based mechanized configuration method in the above method embodiments, for example, to execute the above-described method steps S100 to S300 in fig. 1.
The above-described embodiments of the apparatus are merely illustrative, wherein the units illustrated as separate components may or may not be physically separate, i.e. may be located in one place, or may also be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
Through the above description of the embodiments, those skilled in the art can clearly understand that the embodiments can be implemented by software plus a general hardware platform. Those skilled in the art will appreciate that all or part of the processes of the methods of the above embodiments may be implemented by hardware related to instructions of a computer program, which may be stored in a computer readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read Only Memory (ROM), a Random Access Memory (RAM), or the like.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. A mechanical configuration method based on safety steps is characterized by comprising the following steps:
detecting rheological properties of surrounding rocks, and determining construction safety steps according to different surrounding rock grades;
determining a plurality of groups of mechanical matching schemes for the construction operation line according to the construction safety step;
and comparing the construction efficiency of each group of mechanical matching schemes, and selecting the mechanical matching scheme with the highest efficiency for construction.
2. The method of claim 1, wherein the constructing the safety step comprises: the safety step distance between the inverted arch and the tunnel face and the safety step distance between the secondary lining and the tunnel face.
3. A method for the mechanized configuration of safety steps according to claim 1, wherein the construction line comprises: the system comprises an advanced geological forecast line, an excavation line, a slag loading and transporting line, a primary support line, an inverted arch line, a waterproof line, a secondary lining line, a groove line, a ventilation and drainage auxiliary line and a maintenance line.
4. The method of claim 1, wherein the plurality of sets of mechanized supporting schemes comprise: a complete section construction method matching scheme, a step construction method matching scheme and a micro-step construction method matching scheme.
5. A safety-stride-based mechanized deployment apparatus, comprising: the system comprises a safety step distance determining unit, a scheme matching unit and a scheme selecting unit;
the safety step determining unit is used for detecting rheological characteristics of surrounding rocks and determining construction safety steps according to different surrounding rock levels;
the scheme matching unit is used for determining a plurality of groups of mechanized matching schemes for the construction operation line according to the construction safety step pitch;
the scheme selection unit is used for comparing the construction efficiency of each group of mechanical matching schemes and selecting the mechanical matching scheme with the highest efficiency for construction.
6. A safety-stride-based mechanized configuration device, comprising at least one control processor and a memory for communicative connection with the at least one control processor; the memory stores instructions executable by the at least one control processor to enable the at least one control processor to perform a method of safe stride-based mechanized configuration of any of claims 1-4.
7. A computer-readable storage medium characterized by: the computer-readable storage medium stores computer-executable instructions for causing a computer to perform a method for secure stride-based mechanized configuration of any of claims 1-4.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431595A (en) * | 2020-10-30 | 2021-03-02 | 中铁四局集团第五工程有限公司 | IV-grade and V-grade surrounding rock micro-step full-section rapid construction method |
| CN113290678A (en) * | 2021-05-28 | 2021-08-24 | 中国建筑土木建设有限公司 | Intelligent spraying maintenance control method, device, equipment and medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453921A (en) * | 2014-12-15 | 2015-03-25 | 中铁二十局集团有限公司 | Process for excavating and constructing soft rock tunnels |
| CN109614666A (en) * | 2018-11-22 | 2019-04-12 | 中铁二局第四工程有限公司 | A method of based on the arrangement and method for construction of BIM technology than choosing |
| CN109902974A (en) * | 2019-04-11 | 2019-06-18 | 北京拓疆者智能科技有限公司 | A kind of generation method and device of arrangement and method for construction |
-
2019
- 2019-09-24 CN CN201910905793.4A patent/CN110705764A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453921A (en) * | 2014-12-15 | 2015-03-25 | 中铁二十局集团有限公司 | Process for excavating and constructing soft rock tunnels |
| CN109614666A (en) * | 2018-11-22 | 2019-04-12 | 中铁二局第四工程有限公司 | A method of based on the arrangement and method for construction of BIM technology than choosing |
| CN109902974A (en) * | 2019-04-11 | 2019-06-18 | 北京拓疆者智能科技有限公司 | A kind of generation method and device of arrangement and method for construction |
Non-Patent Citations (1)
| Title |
|---|
| 周荣: ""高速铁路隧道钻爆开挖设备配置优化及研究"", 《铁道工程学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431595A (en) * | 2020-10-30 | 2021-03-02 | 中铁四局集团第五工程有限公司 | IV-grade and V-grade surrounding rock micro-step full-section rapid construction method |
| CN113290678A (en) * | 2021-05-28 | 2021-08-24 | 中国建筑土木建设有限公司 | Intelligent spraying maintenance control method, device, equipment and medium |
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