CN111984909A - Method for rapidly calculating civil engineering quantity in power distribution network cable engineering - Google Patents
Method for rapidly calculating civil engineering quantity in power distribution network cable engineering Download PDFInfo
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- CN111984909A CN111984909A CN202010804273.7A CN202010804273A CN111984909A CN 111984909 A CN111984909 A CN 111984909A CN 202010804273 A CN202010804273 A CN 202010804273A CN 111984909 A CN111984909 A CN 111984909A
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- G06F17/10—Complex mathematical operations
Abstract
The invention discloses a method for rapidly calculating civil engineering quantity in a power distribution network cable project, which comprises the following steps: firstly, calculating the engineering quantity of the cable working well; and (II) calculating the engineering quantity of the electric power calandria. The method is ingenious in design, and the civil engineering quantity in the power distribution network cable engineering can be rapidly calculated.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a method for quickly calculating the civil engineering quantity in power distribution network cable engineering.
Background
The calculation of the civil engineering quantity of the power distribution network cable engineering consumes more than 60% of the engineering budget planning workload. The speed of engineering quantity calculation directly influences the speed of engineering budget estimate planning. At present, a method and software for calculating the project quantity in the civil building industry are relatively mature, but no quick method for calculating the civil engineering project quantity of the power distribution network cable engineering is provided in the power distribution network engineering construction.
Therefore, in the aspect of civil engineering quantity calculation of the power distribution network cable engineering, the method is also in the stage of manually calculating the engineering quantity, and is not only complicated, but also low in efficiency and easy to make mistakes.
Disclosure of Invention
The invention provides a method for rapidly calculating the civil engineering quantity in a power distribution network cable project, which can effectively solve the technical problems in the background.
In order to achieve the above purpose, the invention provides the following technical scheme:
a method for rapidly calculating civil engineering quantity in a power distribution network cable project comprises the following steps:
the engineering quantity calculation process of the cable working well comprises the following steps:
a1, determining the basic size of the cable work well: net length L, net width W, net height H, wall thickness D, well mouth area X and hole mouth area Y;
a2, determining engineering terrain and soil texture;
a3, determining a covering soil layer G and an operation margin F;
a4, determining the number N of various types of cable work wells;
a5, calculating the volume V of a cable work well and the volume C of earth excavation;
a6, calculating the cushion volume 0, the bottom plate volume P, the top plate volume Q and the well wall volume R of the cable work well;
a7, calculating the following corresponding engineering quantities according to the formula:
C＝((L+D*2)+F*2)*((W+D*2)+F*2)*(H+D*2+G)*N；
0＝((L+D*2+0.4)*(W+D*2+0.4)*0.1+0.5)*N；
P＝(L+D*2+0.2)*(W+D*2+0.2)*0.25*N；
Q＝((L+D*2)*(W+D*2)-X)*0.25*N；
R＝((L+W+D*2)*2*H-Y)*D*N；
(II) calculating the engineering quantity of the electric power calandria:
b1, determining the section size of the power line bank: net length J, net width K, net height U;
b2, determining the height Q of an earthwork inner cushion layer of the calandria and the sectional area T of an inner lining pipe of the power calandria;
b3, calculating a calandria earthwork excavation volume E, a calandria cushion layer volume Z and a calandria concrete encapsulation volume I;
b4, calculating the following corresponding engineering quantities according to the formula:
E＝J*(K+F*2)*(U+G)；
Z＝J*(K+0.2)*Q；
I＝J*(K*U-T)。
preferably, a table is made, and formulas corresponding to the cushion layer volume 0, the bottom plate volume P, the top plate volume Q and the well wall volume R of the cable working well, the earth excavation volume E of the corresponding calandria, the bedding layer volume Z of the calandria and the concrete encapsulation volume I of the calandria are input in the table.
Preferably, according to the basic size of the cable work well and the section size of the power grid, filling tables are filled, and the cushion layer volume 0, the bottom plate volume P, the top plate volume Q, the well wall volume R, the grid earth excavation volume E, the grid cushion layer volume Z and the grid concrete encapsulation volume I of the cable work well are rapidly calculated.
The invention has the beneficial effects that:
according to the invention, the corresponding engineering quantity can be automatically calculated according to a preset calculation formula only by inputting the basic size of the cable well to be poured and the basic size of the cable duct bank, and the calculation result is accurate.
Detailed Description
The following detailed description of embodiments of the invention, but the invention can be practiced in many different ways, as defined and covered by the claims:
the invention provides a method for rapidly calculating civil engineering quantity in a power distribution network cable project, which comprises the following steps:
the engineering quantity calculation process of the cable working well comprises the following steps:
a1, determining the basic size of the cable work well needing pouring: net length L, net width W, net height H, wall thickness D, well mouth area X and hole mouth area Y;
a2, determining the engineering terrain and the soil quality of the land where the excavated earthwork is located;
a3, determining a covering soil layer G and an operation margin F of the land where earthwork needs to be excavated;
a4, determining the number N of various types of cable work wells, wherein the types of the cable work wells can be four types, namely an E-1 straight well sub-module, an E-2 corner well sub-module, an E-3 three-way well sub-module and an E-4 four-way well sub-module;
a5, calculating a cable work well volume V and an earthwork excavation volume C, wherein the earthwork excavation volume C needs to be calculated according to a formula;
a6, calculating the cushion volume 0, the bottom plate volume P, the top plate volume Q and the well wall volume R of the cable work well;
a7, calculating the following corresponding engineering quantities according to the formula:
C＝((L+D*2)+F*2)*((W+D*2)+F*2)*(H+D*2+G)*N；
0＝((L+D*2+0.4)*(W+D*2+0.4)*0.1+0.5)*N；
P＝(L+D*2+0.2)*(W+D*2+0.2)*0.25*N；
Q＝((L+D*2)*(W+D*2)-X)*0.25*N；
R＝((L+W+D*2)*2*H-Y)*D*N；
(II) calculating the engineering quantity of the electric power calandria:
b1, determining the section size of the power line bank: the net length J, the net width K and the net height U are the overall sizes formed by arranging and combining a plurality of pipelines;
b2, determining the height Q of an earthwork inner cushion layer of the calandria and the sectional area T of an inner lining pipe of the power calandria;
b3, calculating a calandria earthwork excavation volume E, a calandria cushion layer volume Z and a calandria concrete encapsulation volume I;
b4, calculating the following corresponding engineering quantities according to the formula:
E＝J*(K+F*2)*(U+G)；
Z＝J*(K+0.2)*Q；
I＝J*(K*U-T)；
in general, a power pipe bank earthwork is excavated between every two excavated cable work wells earthwork, so that a covering soil layer G and an operation margin F in the excavated earthwork required by the power pipe bank are the same as those of the cable work wells, that is, they are in the same excavation environment.
And (3) making a table by using the formulas, and inputting formulas corresponding to the cushion layer volume 0, the bottom plate volume P, the top plate volume Q and the well wall volume R of the cable working well, the earth excavation volume E of the corresponding pipe arrangement, the cushion layer volume Z of the pipe arrangement and the encapsulation volume I of the concrete for the pipe arrangement in the table. And filling a form according to the basic size of the cable work well and the section size of the power grid, and quickly calculating the cushion layer volume 0, the bottom plate volume P, the top plate volume Q, the well wall volume R, the grid earth excavation volume E, the grid cushion layer volume Z and the grid concrete encapsulation volume I of the corresponding cable work well.
The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited in its application to the details of construction and to the arrangements of the components set forth in the following description, since such modifications are intended to be included within the spirit and scope of the invention as defined in the appended claims.
Claims (3)
1. A method for rapidly calculating civil engineering quantity in power distribution network cable engineering is characterized by comprising the following steps: the method comprises the following steps:
the engineering quantity calculation process of the cable working well comprises the following steps:
a1, determining the basic size of the cable work well: net length L, net width W, net height H, wall thickness D, well mouth area X and hole mouth area Y;
a2, determining engineering terrain and soil texture;
a3, determining a covering soil layer G and an operation margin F;
a4, determining the number N of various types of cable work wells;
a5, calculating the volume V of a cable work well and the volume C of earth excavation;
a6, calculating the cushion layer volume O, the bottom plate volume P, the top plate volume Q and the well wall volume R of the cable work well;
a7, calculating the following corresponding engineering quantities according to the formula:
C＝((L+D*2)+F*2)*((W+D*2)+F*2)*(H+D*2+G)*N；
0＝((L+D*2+0.4)*(W+D*2+0.4)*0.1+0.5)*N；
P＝(L+D*2+0.2)*(W+D*2+0.2)*0.25*N；
Q＝((L+D*2)*(W+D*2)-X)*0.25*N；
R＝((L+W+D*2)*2*H-Y)*D*N；
(II) calculating the engineering quantity of the electric power calandria:
b1, determining the section size of the power line bank: net length J, net width K, net height U;
b2, determining the height Q of an earthwork inner cushion layer of the calandria and the sectional area T of an inner lining pipe of the power calandria;
b3, calculating a calandria earthwork excavation volume E, a calandria cushion layer volume Z and a calandria concrete encapsulation volume I;
b4, calculating the following corresponding engineering quantities according to the formula:
E＝J*(K+F*2)*(U+G)；
Z＝J*(K+0.2)*Q；
I＝J*(K*U-T)。
2. the method for rapidly calculating the civil engineering quantity in the power distribution network cable project according to claim 1, characterized in that: and (3) making a table, and inputting formulas corresponding to the cushion layer volume 0, the bottom plate volume P, the top plate volume Q, the well wall volume R, the earth excavation volume E of the corresponding pipe arrangement, the cushion layer volume Z of the pipe arrangement and the encapsulation volume I of the concrete for the pipe arrangement in the table.
3. The method for rapidly calculating the civil engineering quantity in the power distribution network cable project according to claim 2, characterized in that: and filling a form according to the basic size of the cable work well and the section size of the power grid, and quickly calculating the cushion layer volume O, the bottom plate volume P, the top plate volume Q, the well wall volume R, the grid earth excavation volume E, the grid cushion layer volume Z and the grid concrete encapsulation volume I of the cable work well.
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