GeTec Ingenieurgesellschaft mbH Infoblatt: MPW03 Information: MPW – Mine Planning Warehouse Software Introduction The Mine planning Warehouse (MPW) offers computer tools for the administration and processing of mining data with the aim to generate maps and plans. The product uses a standard database management system (ISO 9075) and standard software products, which are available all around the world. The data model describes the mine independent of mineral, of extraction method or of mine design. Due to that MPW is open for every kind of mining. MPW can be used for surface and underground mining, for coal, ore and mineral exploitations. MPW uses a fully 3dimensional geometry and all objects are stored time related. Independent modules build up the program. Management information can be generated as well as detailed planning steps including bills of materials for example. Storing the geometry of all objects leads the MPW to be used as a Geographical Information System (GIS). The MPW carries out mine planning analytically. Compared with the trial and error method usually applied in mining the MPW helps to reduce costs. System The workbench is an integrated program. The main part of the workbench is based on standard soft- and hardware as listed below and available around the world. The workbench is designed as an in-house system based on an ORACLE database working on a SUN Solaris platform connected via a local (TCP/IP) area network (LAN) provided by WINDOWS NT. It is a Client/Server construction. Clients are PC’s running under WINDOWS NT providing the entire software set to set up the workbench. The list of standard components is as follows: • Pentium™ PC’s running under WINDOWS NT™ in a TCP/IP based LAN. • ORACLE™ database management system on a SUN computer under Solaris™ 2.x /MSWINDOWS NT™ as data pool for all geometrical and technical data. It can be implemented as a single user application e.g. to be used in the field. Documents are either to store using the file system or into the database. • MS Office™ Suite+ for data analysis (MS EXCEL, MS ACCESS), scheduling and planning of resources (MS Project, MS Outlook), reporting (MS Word). • AutoCAD™ for graphic construction and depiction of the geometrical content of the database • Programming Language: C++ Visual Basic (VBA™) 1 / 8
The Mine planning Warehouse (MPW) offers computer tools for the administration and processing of mining data with the aim to generate maps and plans. The product uses a standard database management system (ISO 9075) and standard software products, which are available all around the world. The data model describes the mine independent of mineral, of extraction method or of mine design. Due to that MPW is open for every kind of mining. MPW can be used for surface and underground mining, for coal, ore and mineral exploitations. MPW uses a fully 3dimensional geometry and all objects are stored time related. Independent modules build up the program. Management information can be generated as well as detailed planning steps including bills of materials for example. Storing the geometry of all objects leads the MPW to be used as a Geographical Information System (GIS). The MPW carries out mine planning analytically. Compared with the trial and error method usually applied in mining the MPW helps to reduce costs.
System
The workbench is an integrated program. The main part of the workbench is based on standard soft- and hardware as listed below and available around the world. The workbench is designed as an in-house system based on an ORACLE database working on a SUN Solaris platform connected via a local (TCP/IP) area network (LAN) provided by WINDOWS NT. It is a Client/Server construction. Clients are PC’s running under WINDOWS NT providing the entire software set to set up the workbench. The list of standard components is as follows:
• Pentium™ PC’s running under WINDOWS NT™ in a TCP/IP based LAN.
• ORACLE™ database management system on a SUN computer under Solaris™ 2.x /MSWINDOWS NT™ as data pool for all geometrical and technical data. It can be implemented as a single user application e.g. to be used in the field. Documents are either to store using the file system or into the database.
• MS Office™ Suite+ for data analysis (MS EXCEL, MS ACCESS), scheduling and planning of resources (MS Project, MS Outlook), reporting (MS Word).
• AutoCAD™ for graphic construction and depiction of the geometrical content of the database
The data are stored in an SQL database. Approved data are available during each planning step to each member of the planning team every time. Every single set is captured only one time and has to be checked during capturing period. That reduces costs. No more redundant data capturing for GIS (e.g. survey), mining and geology and economic administration as it is normally done today will occur. No more time will be wasted in controlling if data sets are right or invalid. The data management system grants the rights and privileges for access and verification of data. That guarantees that the staff familiar with the data delivers and adds only optimised data. The model of data describes a mine from the surface down to the underground mining areas. A shaft is called shaft, a waste deposit can be found in the database named as waste deposit. Cryptically named descriptions are superfluous. The name of the objects e.g. panels or pit is generated during the implementation of the MPW. The owner (trust, mine, operational unit) can name the data fields. MPW is independent of any language. That means that every description, field name etc. can be introduced in every language supported by the standard programs. The format of data input for storage into the database depends on the form of the data available. The minimum required standard of input data depends on the expected result of output data being retrieved. Capturing of geological data may generate an assessment of the deposit but no information on mining. Data can be captured conventionally by digitising. GPS and other data of surveying can be processed. Preferable approach for the first capturing of basic data is scanning. A digital model describing the third dimension completes each captured data set automatically. Excel™ sheets or ASCII files may also provide data. Mining data that
Windows 95/98, Windows 3.x, DOS 6.xMS WORD
EXCEL PowerPoint Outlook Project ACCESS
xBase (DBASE)FoxProSQL-ServerACCESSORACLE 7.x/8
database management
system
Operating System: LINUIX, Solaris, Windows NT
Officesolutions
WEB BrowserFAX and e-mailfacilities
object oriented or relational
CADsolutions
Geology
I
nfrastructure
Enviranment
Cost analyses
Rock machanics
Subsidence
Special Applications
Open database connectivity (ODBC)interfaces for interchange ofdatabase retrievalsincluding geometrical data
Networking and interchange of data via procedures provided by the Operating System
can be depicted in a digital form can be stored into the database. That is commonly following the ISO 9075 standard as it is provided e.g. by ORACLE™, IBM™ etc. Even MICROSOFTS Access™ can be used.
Tools
Standard programs as MS Office ™, MS Project™, AutoCAD™, Graphics suite™ are used to deliver the following:
• Exploration schema and methods
• Analysis of geological structures
• Design and specifications of mine equipment and installations
• Calculation of shifts based on a local calendar
• Calculation of performance in time and the analyse of resources
• Reporting
• Financial controlling e.g. Cash flow analysis
A keypoint of the MPW is the workbench interface program, which is the user surface and connection device between database management system and AutoCAD, office solution programs or numerical modelling programs. The workbench guarantees high performance. The interface retrieves all information describing the surface, geology, mining activities, rock mass behaviour and so on from one data source using the most common database interface, the open database connectivity (ODBC). The workbench interface includes the following program tools:
• Depict excavations from lists of co-ordinates (Surveying). That includes on-line handling e.g. GPS.
• Digital level modeller (DLM) to generate 3D surfaces including calculation of volumes
• Modelling and calculation of volumes and mineral contents in blocks
• Modelling of deposits based on different statistical approaches
• Geotechnical modeller
• Calculation of mining influence on the environment
• Methods to design excavations regarding safety aspects
• Comparison of design results in view of quantity, expenditure and time.
• Design and representation of infrastructure
Add and exchange of tools
The tools can be changed. Different office or graphic suites need access to the interfaces mentioned and must provide the same functions for being implemented. The further work can proceed with programs, which the staff is familiar with. That reduces the expenses for training. The training can be focussed on the methods of planning and of running a mine information system.
Availability
Standard software is available all around the world in different languages (Chinese, French, German, English, Japanese and Spanish). Local solution providers guarantee maintenance and consulting.
Costs
The high share of standard products reduces remarkably the price of MPW compared to special products. Modularity makes it possible to implement only such modules, which are needed. This reduces the effort for purchasing as well as the time for training and application. The engineers has to learn only a few basic functions instead of learning an immense number of special functions.
The format of data input for storage in the database depends on the form of the data available. The minimum request on data depends on the result one wants to get. If only geological data has been captured one will get an assessment of the deposit but no information on the mine design. Data can be captured conventionally by digitising. The preferred way is capturing it from scans using a digital model describing the third dimension, thickness so on.
Excel™ sheets, ASCII files and surveying data including GPS may provide the data.
Top Bottom Rock Thickne551.63 550.13 Soil and weathered rock 1.50550.82 548.32 SST FGD - MGD 2.50550.34 547.84 Soil and weathered rock 2.50550.13 547.63 Soil and weathered rock 2.50548.32 547.57 SST Pebbly 0.05547.84 545.34 Soil and weathered rock 2.50547.80 544.80 Soil and weathered rock 3.00547.63 545.13 Soil and weathered rock 2.50547.57 546.82 SST VFGD (FGD) MIC 0.05
so on529.57 529.32 Argilites 0.25529.33 528.51 Intercallation 0.77
Figure 2: Data capturing
Geology/Deposit
The data model describing the geology provides geological elements (rock, faults etc. ). Using this approach the data capturing can be modified following the corresponding aim of the customer (mineral, region, type of mining). That allows capturing descriptions of borehole sections of the German DSK Company as well as borehole descriptions from the Indian CMPDIL with high differentiation of various sandstone types. Geophysical measurements and evaluations deliver the geological interpretation. Graphical representations can be transferred in their structure and integrated as geological objects in the database.
Specific models are provided for a) underground mining and b) open pit mining. These specific models handle the incorporation of every artificial excavation into the storage of data. Planing can be done graphically supported by analytical functions e.g. regarding safety distances or taking into account the height of a slope.
Surface and Infrastructure
Data describing the surface can be gained be digitizing paper plans or scanned maps. Therefore only important elements of infrastructure of a project like streets, rivers etc. are digitized. Aerophoto and vectorised graphics, GPS and results from survey can also be incorporated. The specification of each element of infrastructure takes already place during capturing.
Soil and subsoil
Sanstone,differend grained
Facelength
Panellength
Intercallation of dirt and coal
NNE
60.99 m
52.49 m51.49 m
36.49 m
33.54 m
16.04 m15.00 m
0.00 m
150 m
0 m70 m
765 m
3.00 m
Figure 5: LW-panel
Rapidly increasing power on the support
whenrock cracksfrom 16 to 61 m
Cavity~ 10,000 m3
TipsLignite miningOverburdenLand reclamation
84
84
71
71
.0
.0
84
84
72
72
.0
.0
84
84
73
73
.0
.0
84
84
74
74
.0
.0
84
84
75
75
.0
.0
45 45
67 67.0 .0
45 45
68 68.0 .0
45 45
69 69.0 .0
45 45
70 70.0 .0
~ 8 km²
Figure 6: Surface mapping
Models
Every statistical approach to calculate the distribution of the deposit (e.g. kriging, interpolation etc.) can be performed with functions e.g. trend as it is provided be Excel™ or by in-built functions. A function for triangulation, which can be used also to cut or add parts of the working area, is integrated in the MPW. Using these tools the exploration data can be homogenised and checked for the further working steps. Boreholes are summarised in sections with arbitrary directions in one projection space. Due to that all working tools for a classical deposit handling are on line available. E.g. a geologist is able to design each section which is needed.
A deposit is investigated analytically if specific properties of single points can be related with other points creating a structure. These structures can be composed to areas and spaces. That generates an approach to use the data more effective. Sections are no more generated and compared more or less blindly from the map. The model of the deposit is examined regarding its reliability. This approach reduces the time needed for modelling of unknown deposits about 50%, because the expertise is not searching in the fog. It is used to verify or falsify assumptions. This approach is called an analytical approach.
Block-model
Up to now the assessment of deposits is based on more or less global parameters. Common experience tells that between geological described and extracted deposit is a gap of 50%. In times of decreasing prices for minerals such kind of global parameters are not sufficient, The numerical interpretation of all deposit information is needed to obtain a safe forecast of the extraction volume of the deposit. Mining blocks to be exploited with available equipment are the aim of modelling a deposit. The planning engineer decides after the evaluation of the deposit about using a continuous miner of Voest, a shearer of Eickhoff or of using different equipment. A specific exploitation method is requires specific geometrical conditions of the deposit. Basically any further decision bases on the answer of the following questions: Where? How much (volume)? What is the concentration or quality? How much dips the deposit? Is it available to mining activities? At this point MPW leaves the object-oriented view of the mine. A mesh of an arbitrary integer count of units, called block-model is built up. The deposit can be divided in blocks e.g. 500 m * 500 m * 1 m for longwall mining or 0.5 m * 0.5 m * 0.5 m for the exploitation of a specific ore body. Each element of that model can be attached to a certain value (e.g. mineral, gas, water and sulphur). This is geometrically realised by calculating the part of the mineral filling each cell. The result is a 3D representation of a deposit which shows properties of a deposit e.g. by using different colours.
Design
Excavations can be planned using MSProject™ (regarding time and resources) and
Excel™. Information on performance and on the geometry of the deposit is taken into account. In the same way it is possible to perform the planning graphically on screen using a deposit model.
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