CN104537447A - Computing system for construction carbon emission load in construction project - Google Patents
Computing system for construction carbon emission load in construction project Download PDFInfo
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- 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
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Abstract
The invention discloses a computing system for construction carbon emission load in a construction project. The computing system is used for integrating a construction carbon emission factor database of the construction project and the carbon emission comprehensive quota of the construction project into a BIM (Building Information Modeling) technology as information parameters, so that the carbon dioxide instant emission load and the cumulative emission load of any time node in a project construction process are estimated; moreover, carbon dioxide is taken as a control factor to optimize a construction scheme, so that the optimized construction scheme meets energy-saving and emission-reducing needs.
Description
Technical field
The present invention relates to carbon emission field, espespecially a kind of engineering construction carbon emission arithmetic system, for special for the carbon emission in engineering construction process, what provide a kind ofly determines carbon emission amount and with the arithmetic system of carbon emission amount for influence factor Optimizing Construction Scheme.
Background technology
Greenhouse gas emission is relevant with industrial process.In whole industrial process, by a large amount of natural resources of consumption and the energy, produce a large amount of greenhouse gases.
Building industry is highly energy-consuming trade.According to national analysis of statistical data in 2012, national building in 2012 added building (containing house and infrastructure) total energy consumption and accounts for 50% of whole society's total energy consumption.Wherein: building construction total energy consumption is 12.5 hundred million tons of standard coal equivalents, accounts for 38.2% of whole society's total energy consumption.
There is provided according to State Statistics Bureau and the total net of Chinese building material information and obtain following statistics through converting: whole nation building industry in 2013 is being built and the house architectural area that is completed is 1519212.62 ten thousand square metres, building industry house cement consumption is about 164105.7 ten thousand tons, and building industry rolled steel dosage is about 52543.0 ten thousand tons.
The former portion engineer in chief Wang Tiehong that firmly builds above says in " 2014 low-carbon ecological cities and green building forum ": produce 1 ton of steel, consume 1.1 tons of standard coal equivalents, discharge about 3 tons of CO2.Therefore only for construction(al)steel amount, the CO2 emission of national construction(al)steel generation in 2013 is about 1,576,290,000 tons, but this does not also consider the carbon dioxide that construction machinery, operative and other related materials self discharge.
Reduce discharging proportion by the known building of above-mentioned data maximum, contributing maximum, is geometric reduction of discharging.
Building reduces discharging and comprises the reduction of discharging of existing building and the reduction of discharging to construction work in progress work progress.First the basis reduced discharging is can accurately determine to build the carbon emission amount using and in building course.
At present, China is for the research of building carbon emission computing method, existing part achievement, as Chinese patent CN103439463A discloses one " building carbon emission real time on-line monitoring system ", but this monitoring system is only applicable to existing building field, assessment computing can not be carried out to the carbon emission of work progress.
The calculating of engineering construction carbon emission is very complicated, except relating to the influence factors such as construction machinery, artificial and associated materials, also relates to complicated construction technology and work progress.Therefore, there is no at present can comprehensively, in system, easily computing engineering construction process random time node carbon emission amount and with the technology and method of carbon emission amount for controlling factor Optimizing Construction Scheme.
The present invention is based on BIM technology, be integrated with construction project carbon emission comprehensive quota and the carbon emission data message relevant to engineering construction, real-time carbon emission amount and the computing of accumulative carbon emission amount can be carried out in the arbitrfary point of time coordinate, achieve engineering construction carbon emission computing robotization; Can also, with carbon emission amount for controlling factor carries out arrangement and method for construction Optimization analyses, for engineering construction energy-saving and emission-reduction provide easy, practical, feasible method, be the innovation to engineering construction scheme optimization simultaneously.
Summary of the invention
One is the object of the present invention is to provide can in real time, dynamically to determine engineering construction carbon emission amount, and with carbon emission amount for influence factor carries out the arithmetic system of arrangement and method for construction Optimization analyses.
The present invention is achieved through the following technical solutions:
A kind of engineering construction carbon emission arithmetic system, comprising:
BIM technology platform: for arrangement and method for construction simulation, quantities measuring and calculating, resource input gauge is calculated and is analyzed under various operating mode;
Construction project carbon emission comprehensive quota: comprise the resource input amount standard of the carbon emission factor data storehouse of all kinds of carbon source in engineering construction process and each quota specific item, carbon source consumption standard and carbon emission amount standard;
Operational model: application BIM technology, integrated suppliers engineering carbon emission comprehensive quota, calculates engineering construction carbon emission amount;
Wherein, construction project carbon emission comprehensive quota is implanted in the three dimensional virtual models of BIM technology by described engineering construction carbon emission arithmetic system, based on the construction to this three dimensional virtual models, realize that there is arrangement and method for construction simulation, quantities measuring and calculating, resource input amount is determined, carbon source consumption is determined, database purchase, data export input and call, detect the functions such as feedback, can carry out calculating in real time and the arithmetic system analyzed to engineering construction carbon emission amount.
Technique scheme is further elaborated.
The computing flow process of described engineering construction carbon emission arithmetic system is as follows:
I, for concrete engineering construction project, BIM technology is adopted to carry out space and the time simulation of arrangement and method for construction;
II, for alternative arrangement and method for construction and drawing, calculate the work under various operating mode, material, machine and to relevant other resource input amounts of construction, comprise the resource input amount of random time point and accumulative resource input amount;
Resource input amount and construction project carbon emission comprehensive quota link by the operational model in III, application system, calculate the carbon emission amount of random time node in engineering construction process and accumulative carbon emission amount.
Wherein, the operational model in described engineering construction carbon emission arithmetic system, apply the interlock that following computing formula realizes resource input amount and construction project carbon emission comprehensive quota:
Step 1, is realized the conversion of resource input amount and carbon source consumption by following formula:
Q
jk＝w
j×q
k(1)
Wherein, Q
jkfor the kth item carbon source consumption standard of construction project carbon emission comprehensive quota jth class resource;
Wherein, w
jfor jth class resource input amount standard in construction project preliminary budget comprehensive quota;
Wherein, q
kfor kth item carbon source consumption standard in the corresponding quota of jth class resource.
Step 2, is realized the conversion of carbon source consumption and carbon emission amount by following formula:
Wherein, C
ijfor the carbon emission amount standard of jth class resource in construction project preliminary budget comprehensive quota i-th specific item;
Wherein, EF
jkfor the carbon emission factor of the kth item carbon source of jth class resource.
Wherein, this arithmetic system is by the w in above-mentioned formula
j, Q
jk, EF
jk, C
ijenroll in construction project carbon emission comprehensive quota etc. factor, and automatically transfer from this quota by operational model, realize the interlock between factor.
Step 3, realizes resource input amount by following formula and construction project carbon emission comprehensive quota links, estimation engineering construction carbon emission amount Eco
2:
Wherein, Eco
2for the total carbon dioxide capacity of engineering construction discharge;
Wherein, AD
ifor construction project preliminary budget comprehensive quota i-th sub-object estimation quantities.
According to described arithmetic system, arrangement and method for construction optimization real-time operation carried out to engineering construction carbon emission amount and is influence factor with carbon emission amount can be realized.
For this reason, arithmetic system of the present invention, also comprises detection feedback function.Described detection feedback function can be used for passing judgment on the CO2 emissions calculating gained and whether exceedes the carbon emission amount control objectives pre-set, when exceeding control objectives, system need carry out the feedback signal of arrangement and method for construction optimization by sending, and to needing the action be optimized to advise; Described detection feedback function can be classified calculating the carbon emission amount of trying to achieve automatically on request, and sorts by size.
The workflow of detection feedback function of the present invention is as follows:
Step 1, classifies construction project by the composition of part-to-item project and/or cost and/or types carbon sources and/or other requirements;
Step 2, sorting calculating the carbon emission amount of trying to achieve by each classification, drawing the carbon emission amount size in each classification item and sequential bits rank;
Step 3, evaluate according to the carbon emission amount control criterion pre-set, to the work in every content exceeding carbon emission amount control criterion, propose from the angle of Optimizing Construction Scheme the innovative approach reducing carbon emission amount, make the arrangement and method for construction of optimization meet the requirement of energy-saving and emission-reduction.
Beneficial effect of the present invention and using value are:
Based on the engineering construction carbon emission arithmetic system of BIM technology, can serve as theme by time coordinate, before engineering construction goes into operation, estimate the instant discharge capacity of random time node carbon dioxide in this engineering construction process and accumulative discharge capacity very easily, thus for China carbon emission information reporting, verify and statistics provide real time data comparatively accurately;
Being controlling factor Optimizing Construction Scheme with carbon dioxide, is the innovation to construction project scheme optimization.At present we have building scheme preferably, plant equipment scheme is preferred, organization plan preferred, but do not have carbon emission scheme preferred.Along with country actively promotes green building, green construction, the important factor in order of arrangement and method for construction is formulated in energy-saving and emission-reduction by becoming.Therefore, be controlling factor Optimizing Construction Scheme with carbon dioxide, make the arrangement and method for construction of optimization meet the requirement of energy-saving and emission-reduction, minimizing greenhouse gas emission, protection of the environment are had great importance.
Construction project carbon emission comprehensive quota, it is the innovation to construction project preliminary budget comprehensive quota, it is except having the original function of construction project preliminary budget comprehensive quota, also add carbon source consumption standard and carbon emission amount standard, for estimating that engineering construction carbon emission amount provides effective instrument fast, easily.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment and technical scheme below.Apparently, the accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of engineering construction carbon emission arithmetic system of the present invention;
Fig. 2 is basement every engineering carbon emission amount histogram in embodiment;
Fig. 3 is basement every engineering carbon emission amount broken line graph in embodiment;
Fig. 4 is annex every engineering carbon emission amount histogram in embodiment;
Fig. 5 is annex every engineering carbon emission amount broken line graph in embodiment;
Fig. 6 is high building every engineering carbon emission amount histogram in embodiment;
Fig. 7 is high building every engineering carbon emission amount broken line graph in embodiment;
Fig. 8 is overall every engineering carbon emission amount histogram in embodiment;
Fig. 9 is overall every engineering carbon emission amount broken line graph in embodiment.
Embodiment
Below in conjunction with the embodiment of the present invention, technical solution of the present invention and accompanying drawing are clearly and completely described.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, before not making creative work, propose the every other embodiment obtained, belong to the scope of protection of the invention.
Shown in Fig. 1, for corresponding System's composition addressed by the flow table of engineering construction carbon emission arithmetic system disclosed by the invention.
Wherein, according to content disclosed by the invention, inventor has worked out carbon emission factor data storehouse, and is assembled among construction project carbon emission comprehensive quota by this database.Following table 1 is the electric power class dynamic greenhouse gas emission factor data storehouse sample table of 30 provinces, autonomous regions and municipalities except Tibet, Hong Kong, Macao and Taiwan.
Table 1
Wherein, according to content disclosed by the invention, inventor has worked out construction project carbon emission comprehensive quota.This quota comprises the resource input amount standard of the carbon emission factor data storehouse of all kinds of carbon source in engineering construction process and each quota specific item, carbon source consumption standard and carbon emission amount standard.Following table 2 and table 3 are respectively construction project carbon emission comprehensive quota specific item establishment sample table and quota gathers establishment sample table.
Table 2
Measurement unit: 1000m
3
In conjunction with content disclosed by the invention, during concrete enforcement, adopt following steps:
Step 1, for concrete engineering construction project, applies the 4D simulation that arithmetic system disclosed by the invention (see Fig. 1) carries out arrangement and method for construction, i.e. space and time simulation;
Step 2, for alternative arrangement and method for construction and drawing, apply amount calculation software that this arithmetic system (see Fig. 1) develops calculate various operating mode under the resource input amount (comprising the resource input amount of random time point and accumulative resource input amount) such as work, material, machine, as the basic data of measuring and calculating carbon source consumption;
Step 3, resource input amount and construction project carbon emission comprehensive quota link by the operational model applied in this arithmetic system (see Fig. 1), calculate the carbon emission amount of random time node in engineering construction process and accumulative carbon emission amount.
Step 4, the result of calculation of step 3 is automatically carried out classification and ordination by the composition of part-to-item project and/or cost and/or types carbon sources and/or other requirements by this arithmetic system (see Fig. 1), draws the carbon emission amount size in each classification item and sequential bits rank;
Step 5, this arithmetic system (see Fig. 1) is evaluated according to the carbon emission amount of the carbon emission amount judgment criteria (control objectives) pre-set to sequence, exceed the action of judgment criteria, system need carry out the feedback signal of arrangement and method for construction optimization by sending, to ensure that carbon emission amount control objectives realizes.
In order to content disclosed by the invention is better described, inventor proceeds explanation by a concrete case.
Embodiment: mansion, Guangdong Province construction project, engineering gross building area is about 49272m
2, wherein basement area is 12306m
2, on the ground annex and high building area are 36966m
2, be made up of a 27 floor high building and 6 floor annex, basement 3 layers.Only be described for construction machinery below:
Step 1, application BIM technology carries out space and the time simulation of arrangement and method for construction, tries to achieve the working condition of random time node;
Step 2, for alternative arrangement and method for construction and drawing, the amount calculation software applying the exploitation of this arithmetic system calculates the resource input amount such as work, material, machine under various operating mode;
Step 3, resource input amount and construction project carbon emission comprehensive quota link by the operational model applied in this arithmetic system, calculate the carbon emission amount of random time node in engineering construction process and accumulative carbon emission amount.
Above-mentioned steps realizes automatically by BIM technology platform.
The carbon emission total amount that the present embodiment calculates mechanical one-shift is: 3416518.17kgCO2, and unit floor area of building carbon emission amount is 69.34kgCO2/m
2.
Step 4, buildings is divided into basement, annex, high building three part, and carry out statistical study by part-to-item project (comprising: an earth and rock works, two masonry projects, three concretes and reinforced concrete engineering, four metal engineerings, five roofings and waterproofing work, six flooring engineerings, seven wall cylindrical surface engineerings, eight ceiling engineerings, nine paint paperhanging works etc.) and measure item (comprising: ten scaffolding works, 11 form work engineerings, 12 vertical transport engineerings, 13 concrete pumpings etc.) respectively, draw construction project carbon emission amount statistics, in table 4 and table 5.
The carbon emission amount unit of part-to-item project statistics pressed by table 4: ton
Table 5 is by the carbon emission amount unit of measure item statistics: ton
Step 5, according to the statistics of step 4, show that every sequence of carbon emission amount is as shown in Fig. 2 to Fig. 9.
If present case is using 200 tons of carbon emission amounts as judgment criteria, then:
Known by Fig. 2 and Fig. 3, in basement engineering " concrete and reinforced concrete engineering " and the carbon emission amount of " vertical transport engineering " larger, be respectively 346.38 tons and 323.98 tons.
Known by Fig. 4 and Fig. 5, in annex engineering, the carbon emission amount of " vertical transport engineering " is larger, is 213.96 tons, and all the other are all lower than 20 tons.
Known by Fig. 6 and Fig. 7, in high building engineering, the carbon emission amount of " vertical transport engineering " and " concrete and reinforced concrete engineering " is larger, is respectively 1537.95 tons and 360.89 tons.
Known by Fig. 8 and Fig. 9, in whole building machinery machine-team carbon emission amount, the carbon emission amount of " vertical transport engineering " and " concrete and reinforced concrete engineering " is larger, is respectively 2075.88 tons and 713.91 tons.And the carbon emission amount in " vertical transport engineering " in basement, annex and high building engineering is all comparatively large, and " concrete and reinforced concrete engineering " carbon emission amount only in basement and high building engineering is larger.In addition, the carbon emission amount of concrete pumping is also comparatively large, is 254.47 tons.
Step 6, according to the statistics of step 4, draws the ratio of every carbon emission amount, in table 6 to table 8.
Table 6 branch itemizes every proportion (%)
The every proportion of table 7 measure item (%)
The every proportion of table 8 construction project (%)
If the present embodiment is using 60% as the judgment criteria of every carbon emission amount, then:
Known by table 6, in part-to-item project: the large percentage of basement part " concrete and reinforced concrete engineering " is 90.79%; Annex part is without the partitioned project more than 60%; The large percentage of high building part " concrete and reinforced concrete engineering " is 73.09%.
Known by table 7, in measure item: the large percentage of basement part " vertical transport engineering " is 71.75%; The large percentage of annex part " vertical transport engineering " is 84.42%; The large percentage of high building part " vertical transport engineering " is 87.92%.
Known by table 8, in the mechanical one-shift item of whole engineering, only having the ratio of " vertical transport engineering " more than 60%, is 61.84%.
Combining step 5 and step 6, the emphasis that " vertical transport engineering " and " concrete and reinforced concrete engineering " should be optimized as arrangement and method for construction.
Step 7, the action for " vertical transport engineering " and " concrete and reinforced concrete engineering " is carried out carbon and is interrogated and examined, in table 9 and table 10.
Table 9 vertical transport Engineering Task content carbon interrogates and examines result
Table 10 concrete and reinforced concrete action carbon are interrogated and examined
Interrogated and examined by carbon, the action that the carbon emission amount filtering out each construction site is greater than 10%, as the concrete content optimized, implement arrangement and method for construction optimization.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. an engineering construction carbon emission arithmetic system, is characterized in that, this arithmetic system comprises:
BIM technology platform: for arrangement and method for construction simulation, quantities measuring and calculating, resource input gauge is calculated and is analyzed under various operating mode;
Construction project carbon emission comprehensive quota: comprise the resource input amount standard of the carbon emission factor data storehouse of all kinds of carbon source in engineering construction process and each quota specific item, carbon source consumption standard and carbon emission amount standard;
Operational model: application BIM technology, integrated suppliers engineering carbon emission comprehensive quota, calculates engineering construction carbon emission amount.
Wherein, construction project carbon emission comprehensive quota is implanted in the three dimensional virtual models of BIM technology by this arithmetic system, based on the construction to this three dimensional virtual models, realize that there is arrangement and method for construction simulation, quantities measuring and calculating, resource input amount is determined, carbon source consumption is determined, database purchase, data export input and call, detect the functions such as feedback, can carry out calculating in real time and the arithmetic system analyzed to engineering construction carbon emission amount.
2. engineering construction carbon emission arithmetic system according to claim 1, is characterized in that, the computing flow process of described arithmetic system is as follows:
I, for concrete engineering construction project, BIM technology is adopted to carry out space and the time simulation of arrangement and method for construction;
II, for alternative arrangement and method for construction and drawing, calculate the work under various operating mode, material, machine and the resource input amount relevant to construction, comprise the resource input amount of random time point and accumulative resource input amount;
Resource input amount and construction project carbon emission comprehensive quota link by the operational model III, in application system, calculate the carbon emission amount of random time node in engineering construction process and accumulative carbon emission amount.
3. engineering construction carbon emission arithmetic system according to claim 1, it is characterized in that: also there is detection feedback function, whether described detection feedback function exceedes for passing judgment on the CO2 emissions calculating gained the carbon emission amount control objectives pre-set, when exceeding control objectives, system need carry out the feedback signal of arrangement and method for construction optimization by sending, and to needing the action be optimized to advise;
Described detection feedback function, automatically can classify calculating the carbon emission amount of trying to achieve on request, and sort by size.
4. engineering construction carbon emission arithmetic system according to claim 3, is characterized in that, the workflow of described detection feedback function is as follows:
Step 1, classifies construction project by the composition of part-to-item project and/or cost and/or types carbon sources;
Step 2, sorting calculating the carbon emission amount of trying to achieve by each classification, drawing the carbon emission amount size in each classification item and sequential bits rank;
Step 3, evaluate according to the carbon emission amount control criterion pre-set, to the work in every content exceeding carbon emission amount control criterion, propose from the angle of Optimizing Construction Scheme the innovative approach reducing carbon emission amount, make the arrangement and method for construction of optimization meet the requirement of energy-saving and emission-reduction.
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