CN110222468B - Calculation method of surface soil stacking field area and construction method for surface soil stripping - Google Patents
Calculation method of surface soil stacking field area and construction method for surface soil stripping Download PDFInfo
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Abstract
The invention relates to the technical field of land reclamation, in particular to a method for calculating the area of a surface soil stacking field and a method for constructing surface soil stripping, which comprise the following steps: A. selecting a stripping area, and arranging a surface soil stacking place in the stripping area; B. determining the peeling thickness of the surface soil; C. determining the height of a surface soil piling site; D. dividing the surface soil stacking field into a surface soil stacking field stripping area and a surface soil stacking field non-stripping area, and stripping the surface soil stacking field stripping area; E. and (5) stripping the surface soil of the stripping area outside the surface soil piling site. The method has the advantages of simple principle and high efficiency, greatly reduces the complexity and software and hardware requirements of related measurement and calculation work of the surface soil stripping amount and the occupied area of a surface soil stacking field, does not need professional data processing software and hardware equipment, and is very suitable for one-line production of units.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of land reclamation, in particular to a calculation method of surface soil stacking field area and a construction method of surface soil stripping.
[ background of the invention ]
A large number of construction projects inevitably occupy certain cultivated land, and in order to reduce soil resource loss suitable for agricultural cultivation, surface soil stripping and surface soil stacking engineering design is required during land reclamation, so that engineering quantity is accurately measured and calculated, and accuracy of land reclamation engineering cost is ensured. General planning and designing units are difficult to meet the technical requirements on the accuracy due to low planning and designing cost and personnel technical condition limitation of land reclamation projects, design of surface soil stripping and surface soil stacking schemes and engineering quantity measurement and calculation.
The existing policy of local topsoil stripping and topsoil stacking is relatively weak, only the guidance is given from the macro level of work guidance suggestion and the like, for example, the key area of topsoil stripping in Guangxi area is to strip the cultivated layer for paddy fields above 8 and dry lands above 9, and the stripping implementation scheme should include the contents of stripping storage and utilization area, earth volume balance calculation, earth stripping utilization arrangement, investment estimation, construction plan and the like. However, in engineering application, the surface soil stripping scheme is not uniform, the stripping method and the program design are fuzzy, the engineering quantity measurement and calculation are not accurate, the construction steps are not clear, and the method is not suitable for the actual working requirements of the national soil management department and the construction operation unit.
The literature: a surface soil stripping design method is disclosed in 'Huangshu, Zhouye, Yangfeng, North soil and stone mountain area certain pumped storage power station surface soil stripping design [ J ] water conservancy planning and design, 2018(11): 179-plus 182', and mainly comprises the following steps: dividing the stripping land blocks; paying off to indicate the stripping range; removing obstacles, and removing foreign matters such as stones, tree roots and the like in the soil layer; stripping, namely, stripping in layers by dividing the land blocks and recording stripping amount; and (5) temporarily stacking.
The invention patent application with the application number of CN201210586279.7 'method for stripping surface soil of land reclamation project' discloses a method for stripping surface soil, which mainly comprises the following steps: dividing the field to be stripped of the surface soil into a plurality of strips, stripping and storing the surface soil of the first strip, and leveling the land of the first strip without the surface soil; stripping surface soil of the secondary strip to the leveled primary strip, and leveling the land of the secondary strip; stripping the surface soil of the third strip to the leveled secondary strip, and leveling the third strip;
although the method can realize the problems of surface soil stripping, stacking design measurement and the like, the method has the following defects and shortcomings:
1. the surface soil stripping amount calculation process is lacked, or the stripping amount calculation accuracy is lower.
2. The logic relation between the surface soil stacking position and the surface soil stripping range is fuzzy, the scheme design is rough, and the specific implementation accuracy is difficult to master.
3. The universality and the usability are poor, and the common management departments or construction units are difficult to realize.
[ summary of the invention ]
The invention aims to provide a calculation method of surface soil stacking field area and a construction method of surface soil stripping, which realize high-precision design and calculation of surface soil stripping and surface soil stacking engineering quantity through a standardized and generalized design and calculation method, solve the problems that the prior surface soil stripping scheme is complicated, and stripped surface soil storage still occupies land outside a stripping area, and have the effects of high construction efficiency and low input cost.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a method for calculating the area of a surface soil yard comprises the following steps:
step S1: defining the area of a stripping area as Z, and measuring Z;
step S2: selecting a position of a top soil stacking field in the stripping area, and setting the area of the top soil stacking field as M;
step S3: in the stripping zone, the stripping area excluding the topsoil dump is Z-M according to the steps S1 and S2;
step S4: dividing a top soil stacking field into a top soil stacking field stripping area and a top soil stacking field non-stripping area, and defining the area of the top soil stacking field non-stripping area as X and the area of the top soil stacking field stripping area as Y; according to step S2, X + Y ═ M is found;
step S5: stripping a stripping area of the surface soil stacking field, wherein the stripping thickness is H, the stripping method and the design principle of the part are that stripped surface soil is stored in a non-stripping area of the surface soil stacking field, the stacking height is H, and the stripping amount is required to be stacked in the non-stripping area of the surface soil stacking field according to the set stacking height H, so that the formula relation between the occupied area X of the non-stripping area of the surface soil stacking field and the occupied area Y of the stripping area of the surface soil stacking field is obtained as follows,
step S6: the stripping area of the top soil piling yard is used as a stripping amount storage area of the stripping area except the top soil piling yard after the stripping of the stripping area of the top soil piling yard is finished, at the moment, the stripping area of the top soil piling yard is dug down by the depth of H, and the top soil piling height of the stripping area of the top soil piling yard used as the piling yard is H-H;
step S7: in combination with the step S6, the surface soil except the surface soil piling site is stripped in the stripping area, and the stripping method and the design principle of the part are that the stripping amount is stored in the stripping area of the surface soil piling site, and the stripping amount is completely piled in the stripping area of the surface soil piling site according to the set surface soil piling height H-H;
step S8: in the stripping area, the area of the stripping area except the topsoil yard is defined as N, and the following steps are obtained according to the steps S1-S4: N-Z-X-Y or N-Z-M,
the amount of peeling of the peeled area outside the top soil yard was defined as A,
namely: a ═ Z-X-Y) × h or a ═ N × h,
step S9: the relational expression is obtained according to the steps S5-S8: (Z-X-Y)×h-X×H＝Y×(H-H) or (Z-X-Y) X H ═ Y X H,
and combining the stripping method and the design principle in the step S7, the finishing calculation formula is as follows:
calculating and sorting according to the formula in the step S5 and the formula II to obtain a calculation formula of the area Y of the stripping area of the surface soil yard, wherein the calculation formula is as follows:
calculating and sorting according to the formula in the step S5 and the formula III to obtain a calculation formula of the area X of the non-stripping area of the surface soil yard, namely:
wherein the units of H, H are M, M, N, X, Y and Z are M2The unit of A is m3。
Preferably, according to the steps S1-S4, the surface soil stripping area is int (Z-X), and the area occupied by the surface soil stacking field is int (X + Y); the surface soil stripping work amount is measured and calculated, the value is defined as G, and the measurement and calculation formula is as follows: g-int [ (Z-X) × h]The units of X, Y, Z are m2G has the unit of m3。
Preferably, the equations of steps S1-S9 satisfy: z > M > Y > X, H > H.
The invention also provides a construction method for stripping the surface soil, which comprises the following steps:
a, selecting a stripping area in a certain area, measuring the area of the stripping area to be Z, selecting the position of a top soil stacking field in the stripping area, dividing the top soil stacking field into a top soil stacking field stripping area and a top soil stacking field non-stripping area, and measuring the area X of the top soil stacking field non-stripping area and the area Y of the top soil stacking field stripping area according to the calculation method of the top soil stacking field area;
b, determining the stripping thickness of the surface soil stripping area according to the construction specification;
step C, determining the stacking height of the surface soil stacking field according to the construction specification;
d, stripping the stripping area of the top soil stacking field, and stacking the stripped soil in the non-stripping area of the top soil stacking field;
and E, after the step D is finished, stripping the surface soil except the surface soil stacking field in the stripping area, and stacking the stripped soil in the stripping area of the surface soil stacking field.
Preferably, the boundary is equipped with retaining wall in the surface soil piling yard, retaining wall's height is greater than the piling height in surface soil piling yard.
Preferably, the shape of the bottom surface of the top soil yard is the same as the shape of the top of the piled soil yard.
Preferably, the stripping thickness of the surface soil stripping area is determined according to technical specifications and policy requirements such as local area land reclamation technical requirements and acceptance specifications and local area land remediation methods by combining specific conditions such as soil thickness and fertility of the stripping area; the stacking height of the surface soil stacking field is determined according to technical requirements and policy requirements such as local land reclamation technical requirements and acceptance regulations and local land reclamation methods.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that: the calculation method of the surface soil stacking field area and the construction method of surface soil stripping are suitable for the surface soil stripping stacking field area, the engineering quantity calculation method and the surface soil stacking engineering design involved in the temporary land reclamation project.
According to the invention, the area of a surface soil stacking field in the surface soil stripping process is calculated through the equivalent relation of the surface soil stripping amount; after the area of the stripping area is determined, the stripping thickness and the stacking height of the surface soil are determined according to relevant policy regulations of local land, and further a calculation formula of the areas of the surface soil stacking field, the stripping area of the surface soil stacking field and the non-stripping area of the surface soil stacking field is obtained, so that much planning, measurement and calculation and other work is saved for the construction of the later project, and the construction efficiency of the project is improved.
The invention combines the top soil stripping work and the top soil stacking work, determines the logical relation between the top soil stripping range and the space position of top soil stacking, demarcates a top soil stacking field stripping area and a top soil stacking field non-stripping area, and defines the construction sequence of top soil stripping, namely, firstly stripping the top soil stacking field stripping area, stacking the stripped top soil in the top soil stacking field non-stripping area, and completing the stripping work of the first stage; and then stripping the stripping area outside the surface soil stacking field, and stacking the surface soil in the stripping area of the surface soil stacking field which is stripped already in the surface soil stacking field. The method has the characteristics of simple principle, easiness in operation, accurate engineering quantity measurement and calculation, high efficiency and stability, can greatly improve the accuracy of the engineering quantity measurement and calculation, and effectively reduces the construction difficulty and cost.
In the invention, as Z > M > Y > X, H > H are limited, calculation formulas obtained by X and Y are established, so that a plurality of measurement projects are omitted in the project construction in the future, and the X and Y formulas can be directly sleeved into the project after the project is determined, so that the value of each project quantity of the project can be determined.
Because the retaining wall is arranged on the boundary in the surface soil piling field, and the height of the retaining wall is greater than the piling height of the surface soil piling field, pushed soil is not easy to collapse, and personnel injury is avoided; the bottom surface shape of the surface soil piling site is the same as the top shape of the piled soil, so that the stripping amount can be conveniently calculated, and the calculation formula of X and Y can be obtained by volume equivalent replacement calculation; the stripping thickness of the surface soil stripping area is determined according to technical specifications and policy requirements such as local area land reclamation technical requirements and acceptance specifications and local area land remediation methods by combining specific conditions such as soil thickness and fertility of the stripping area; since the stacking height of the topsoil dump is determined according to technical specifications and policy requirements such as local land reclamation technical requirements and acceptance specifications and local land reclamation methods, the stripping thickness and the stacking height are values that can be obtained by projects and in combination with relevant policies, and are known and do not need to be calculated in the field.
[ description of the drawings ]
FIG. 1 is a schematic illustration of the selection of stripping zones and yard locations in an embodiment of the present invention;
FIG. 2 is a schematic illustration of a top soil stripping area, a top soil yard stripping area, and a top soil yard non-stripping area in an embodiment of the present invention;
FIG. 3 is a schematic flow chart of the sequence of topsoil stripping and soil stacking options in an embodiment of the present invention;
FIG. 4 is a schematic illustration of a stripping zone after topsoil stripping in an embodiment of the invention;
the reference numbers in fig. 1 to 4 are: 1-stripping area, 2-top soil stacking field, 3-top soil stripping area, 4-top soil stacking field stripping area, 5-top soil stacking field non-stripping area, 6-stripping area outside the top soil stacking field, 7-stripped top soil stripping area, 8-retaining wall, 9-stacking height and 10-stripping thickness.
[ detailed description ] embodiments
The present invention will be described in detail with reference to examples.
A construction method for stripping surface soil comprises the following steps:
a, selecting a stripping area 1 in a certain area, measuring the area of the stripping area as Z, selecting the position of a top soil stacking field 2 in the stripping area 1, and dividing the top soil stacking field 2 into a top soil stacking field stripping area 4 and a top soil stacking field non-stripping area 5;
the method for calculating the area of the surface soil piling site comprises the following steps:
step S1: defining the area of the stripping area 1 as Z, and measuring Z;
step S2: selecting a position of a top soil stacking field 2 in the stripping area 1, and setting the area of the top soil stacking field 2 as M;
step S3, according to the steps S1 and S2, in the stripping area 1, the stripping area except the topsoil yard 2 is Z-M;
step S4: dividing a top soil stacking field 2 into a top soil stacking field stripping area 4 and a top soil stacking field non-stripping area 5, defining the area of the top soil stacking field non-stripping area 5 as X, and defining the area of the top soil stacking field stripping area 4 as Y; according to step S2, X + Y ═ M is obtained;
step S5: stripping a stripping area 4 of the top soil stacking field, wherein the stripping thickness is H, the stripping method and the design principle of the stripping area are that stripped top soil is stored in a non-stripping area 5 of the top soil stacking field, the stacking height is H, and the stripping amount is required to be stacked in the non-stripping area 5 of the top soil stacking field according to the set stacking height H, so that the formula relation between the occupied area X of the non-stripping area 5 of the top soil stacking field and the occupied area Y of the stripping area Y of the top soil stacking field is obtained as follows:
step S6: the stripping area 4 of the top soil piling yard is used as a stripping amount storage area of the stripping area except the top soil piling yard 2 after the stripping is finished, at the moment, the stripping area 4 of the top soil piling yard has dug down by H depth, and the piling height of the top soil when the stripping area 4 of the top soil piling yard is used as the piling yard is H-H;
step S7: in combination with the step S6, in the stripping area 1, the surface soil except the surface soil piling field 2 is stripped, and the stripping method and the design principle of the part are that the stripping amount is stored in the stripping area 4 of the surface soil piling field, and the stripping amount is completely piled in the stripping area 4 of the surface soil piling field according to the set surface soil piling height H-H;
step S8: in the stripping zone 1, the stripping zone 6, excluding the topsoil dump, is defined to have an area N, and it follows from steps S1 to S4: N-Z-X-Y or N-Z-M,
the amount of peeling of the peeled area outside the top soil yard 2 was defined as A,
namely: a ═ Z-X-Y) × h or a ═ nxh,
step S9: the relational expression is obtained according to the steps S5-S8: (Z-X-Y)×h-X×H＝Y×(H-H) or (Z-X-Y) X H ═ Y X H,
and combining the stripping method and the design principle in the step S7, the finishing calculation formula is as follows:
calculating and sorting according to the formula in the step S5 and the formula II to obtain a calculation formula of the area Y of the stripping area of the surface soil yard, wherein the calculation formula is as follows:
calculating and sorting according to the formula in the step S5 and the formula III to obtain a calculation formula of the area X of the non-stripping area of the surface soil yard, namely:
h, the unit of H is M, M, N, X, Y, the unit of Z is M2The unit of A is m3；
Measuring the area X of a non-stripping area of the top soil stacking field and the area Y of a stripping area of the top soil stacking field according to a formula III and a formula IV, wherein in the stripping area, the area of a top soil stripping area 3 is the sum of the area except the top soil stacking field and the area of the stripping area of the top soil pushing field;
b, determining the stripping thickness 10 of the surface soil stripping area 3 according to construction specifications;
step C, determining the stacking height 9 of the surface soil stacking field 2 according to the construction specifications;
d, stripping the stripping area 4 of the top soil stacking field, and stacking the stripped soil in the non-stripping area 5 of the top soil stacking field;
and E, after the step D is finished, stripping the surface soil except for the surface soil piling site 2 in the stripping area 1, and piling the stripped soil in the stripping area 4 of the surface soil piling site.
As a further technical scheme of the invention, the surface soil stripping area is int (Z-X) and the surface soil stacking field occupies int (X + Y) according to the steps S1-S4; the surface soil stripping work amount is measured and calculated, the value is defined as G, and the measurement and calculation formula is as follows: g-int [ (Z-X) × h]The units of X, Y, Z are m2G has the unit of m3。
As a further technical solution of the present invention, the equations of steps S1-S9 should satisfy: z > M > Y > X, H > H, such that the formulas of steps S1-S9 hold.
As a further technical scheme of the invention, a retaining wall 8 is arranged at the boundary of the surface soil piling field, and the height of the retaining wall 8 is greater than the piling height 9 of the surface soil piling field 2, so that the collapse of the piling amount is prevented, and personnel are prevented from being injured; the bottom surface shape of the surface soil piling field 2 is the same as the top shape of the piled soil, so that the area of the piling field can be conveniently calculated by using a volume equivalent replacement method.
As a further technical scheme of the invention, the stripping thickness of the surface soil stripping area 3 is determined according to technical specifications and policy requirements such as local area land reclamation technical requirements and acceptance specifications and local area land remediation methods by combining specific conditions such as soil thickness and fertility of the stripping area 1; the stacking height 9 of the surface soil piling site 2 is determined according to the technical requirements and acceptance regulations of land reclamation in local areas, the technical specifications and policy requirements of land reclamation in local areas, land reclamation methods in local areas and the like.
Examples
The construction method based on surface soil stripping in the embodiment comprises the following steps:
the embodiment is a land reclamation project for a temporary land in Qinzhou, Guangxi, and the reclamation responsibility range is 0.364 hectare, namely 3640 square meters.
Step A, determining a stripping area 1 needing surface soil stripping, defining the floor area of the stripping area 1 as Z, setting the position of a surface soil stacking field 2 in the stripping area 1, setting the floor area of the surface soil stacking field 2 as M, and dividing the surface soil stacking field 2 into two parts, namely a surface soil stacking field stripping area 4 and a surface soil stacking field non-stripping area 5. Determining a stripping area 6 except for the surface soil piling site, and defining the occupied area of the stripping area as N;
the specific steps of A are as follows:
a1, extracting the project range line according to the topographic map, storing the project range line as a 'project range line' file (with the format of DXF), and checking the 'project range line' file without allowing topology errors. In this example, after extracting the target "project scope line" file, the area of the file was measured to be 0.364 hectare.
A2, superposing the file of the 'project range line' to a 'cultivated land quality grade map' provided by the national and local department, extracting the total range (such as paddy fields above 8 and dry lands above 9) which is in the 'project range line' and accords with the surface soil stripping, measuring the total area of the total range, and recording the total area value as Z. In the embodiment, after the 'project area line' file is superposed on the 'quality of cultivated land and other maps', all the 'project area lines' are 9 and other dry lands, and the surface soil stripping is required to be carried out on the 9 and other dry lands according to the technical specifications and policy requirements of 'Guangxi Zhuang autonomous region land reclamation and acceptance Specification' (DB 45/T892-2012) and 'Guangxi Zhuang autonomous region land remediation method'). Accordingly, the total area of peel-off of the surface soil in this example was 3640 square meters, i.e., Z-3640.
A3, the surface soil is generally required to be stored on site after being stripped, a surface soil stacking field 2 is arranged in the project stripping area 1, the floor area of the surface soil stacking field 2 is determined according to the designed stripping thickness 10, stacking height 9 and stripping storage capacity, and the value is unknown.
And step B, determining the surface soil stripping thickness h according to the requirements of related policies of surface soil stripping by combining the specific conditions of soil thickness, fertility and the like in the stripping area 1. In this embodiment, according to technical specifications and policy requirements such as "Guangxi Zhuang autonomous region land reclamation technical requirement and acceptance criteria" (DB 45/T892 + 2012) and "Guangxi Zhuang autonomous region land reclamation method", the specific conditions in the project region and the requirements after reclamation are combined, and the designed surface soil stripping thickness 10 is determined to be 0.31 m, that is, h is 0.31 m.
Step C, according to a planning design scheme, combining with the requirements of relevant policies of surface soil stacking, determining the stacking height 10 of the surface soil field as H; in this embodiment, according to technical specifications and policy requirements such as "Guangxi Zhuang autonomous region land reclamation technical requirements and acceptance criteria" (DB 45/T892 + 2012) and "Guangxi Zhuang autonomous region land remediation method", and the like, in combination with specific conditions in the project region, the designed surface soil yard stacking height 10 is determined to be 2.0 meters, that is, H is 2.0 meters.
The method for estimating the area of the surface soil yard in the embodiment comprises the following steps:
step S1: defining the area of the stripping area 1 as Z, and measuring Z;
step S2: selecting a position of a top soil stacking field 2 in the stripping area 1, and setting the area of the top soil stacking field 2 as M;
step S3: in the stripping zone 1, the stripping area excluding the topsoil yard 2 is Z-M according to the steps S1 and S2;
step S4, the surface soil piling site 2 is divided into a surface soil piling site stripping area 4 and a surface soil piling site non-stripping area 5, the occupied area of the surface soil piling site stripping area 4 and the occupied area of the surface soil piling site non-stripping area 5 are unknown, and measurement and calculation are carried out by designers. In this embodiment, assuming that the area occupied by the topsoil yard non-peeling region 5 is X, and assuming that the area occupied by the topsoil yard peeling region 4 is Y, X and Y satisfy X + Y ═ M.
Step S5, stripping the peeling area 4 of the topsoil yard, according to the technical requirements and the policy requirements such as "technical requirements and acceptance regulations for land reclamation of the municipality of Guangxi province" (DB 45/T892 + 2012) and "method for land reclamation of the municipality of Guangxi province" in the present embodiment, combining the specific conditions in the project area and the requirements after reclamation, the peeling thickness is H (H is 0.31), and the stacking height is H (H is 2.0). The peeling method and design principle of the part are as follows: the peeled top soil is stored in the top soil yard non-peeling area 5, and the top soil is stacked in the top soil yard non-peeling area 5 just according to the design stacking height H (H ═ 2.0) in the amount of peeling. The formula relationship between the area X of the non-stripping area 5 of the top soil yard and the area Y of the stripping area 4 of the top soil yard is as follows:
where H is 0.31 and H is 2.0, then the formula is:
step S6, after the stripping of the stripping area 4 of the surface soil stacking field is designed to be used as a surface soil stripping and storing area of the stripping area outside the surface soil stacking field, at the moment, the stripping area 4 of the surface soil stacking field is dug down by H depth, the design stacking height of the stripping area 4 of the surface soil stacking field as the stacking field is H-H, and the value is recorded as H-H. In this example, H is 0.31 and H is 2.0, the design stacking height of the stripping area of the topsoil yard as the yard is 1.69 m.
And step S7, carrying out surface soil stripping on the stripping area outside the surface soil yard, wherein the stripping method and the design principle of the part are that the stripping amount is stored in the stripping area 4 of the surface soil yard subjected to stripping, and the stripping amount is completely stacked in the stripping area 4 of the surface soil yard just according to the designed stacking height H-H. The topsoil yard stripping area 4 of this embodiment is designed to have a yard stacking height of 1.69 m.
Step S8, calculating the stripping area outside the surface soil yard according to the area Z value of the stripping area 1, the area X value of the stripping area 4 of the surface soil yard and the area Y value of the non-stripping area 5 of the surface soil yard, and recording the area value as N, namely:
N-Z-X-Y or N-Z-M
In this embodiment, when Z is 3640, the formula is:
N＝3640-X-Y
according to the designed surface soil stripping thickness h and the stripping area N outside the surface soil stacking field, the stripping amount of the stripping area outside the surface soil stacking field is calculated, and the stripping amount is recorded as A, namely:
a ═ Z-X-Y) X h or A ═ N × h
The calculation results in this embodiment yield: when Z is 3640 and h is 0.31, the formula is:
A＝(3640-X-Y)×0.31
step S9, obtaining a method for measuring and calculating the surface soil stacking area through the steps S1-S8, and specifically comprising the following steps:
according to the calculation result of the stripping amount of the stripping area outside the topsoil yard, combining the stripping method and the design principle in the step S7, the arrangement calculation formula is as follows:
in this embodiment, Z is 3640, H is 0.31, and H is 2.0, the formula is:
calculating and sorting the formula to obtain the following formula:
in this example, when Z is 3640, H is 0.31, and H is 2.0, the following is estimated:
calculating and sorting according to the formula in the step S5 and the formula II to obtain a calculation formula of the area Y of the stripping area of the surface soil yard, wherein the calculation formula is as follows:
in this example, when Z is 3640, H is 0.31, and H is 2.0, the following is estimated:
namely the area occupied by the stripping area of the surface soil yard of the embodiment is 478.5 square meters;
calculating and sorting according to the formula in the step S5 and the formula III to obtain a calculation formula of the area X of the non-stripping area of the surface soil yard, namely:
in this example, when Z is 3640, H is 0.31, and H is 2.0, the following is estimated:
namely, the floor area of the non-stripping area of the surface soil yard of the embodiment is 74.2 square meters.
And D, performing surface soil stripping on the stripping area of the surface soil piling field, storing the stripping amount in the non-stripping area of the surface soil piling field, and completely piling the stripping amount in the non-stripping area of the surface soil piling field according to the set piling height.
And E, after the step D is finished, stripping the surface soil outside the surface soil stacking field within the stripping area, and stacking the stripped soil in the stripping area of the surface soil stacking field.
The final scheme of surface soil stripping and surface soil stacking is as follows: the surface soil stripping thickness is H, the surface soil stacking height in an X area is H, the surface soil stacking height in a Y area is H-H, the surface soil stripping area is int (Z-X), the occupied area of a surface soil stacking field is int (X + Y), the occupied area value of a non-stripping area of the surface soil stacking field is X, and the occupied area value of a stripping area of the surface soil stacking field is Y. The stripping thickness of the stripping area of the surface soil is 0.31 meter, the stacking height of the non-stripping area of the surface soil stacking field is 2.0 meter, the stacking height of the stripping area of the surface soil stacking field is 2-0.31-1.69 meter, the stripping area of the surface soil is int (Z-X) ═ int (3640-74.2) ═ 3565, the floor area of the surface soil stacking field is int (X + Y) ═ int (74.2+478.5) ═ 552.7, the floor area of the non-stripping area of the surface soil stacking field is 74.2 square meters, and the floor area of the stripping area of the surface soil stacking field is 478.5 square meters.
Measuring and calculating the surface soil stripping engineering quantity, recording the value as G, and having a measuring and calculating formula as follows:
G＝int[(Z-X)*h]
in this example, when Z is 3640, h is 0.31, and X is 74.2, the top soil release amount G is:
G＝int[(3640-74.2)*0.31]＝1105
that is, the amount of the surface soil stripping work in this example is 1105m3。
The invention combines the top soil stripping work and the top soil stacking work, determines the logical relation between the top soil stripping range and the space position of top soil stacking, demarcates a top soil stacking field stripping area and a top soil stacking field non-stripping area, and defines the construction sequence of top soil stripping, namely, firstly stripping the top soil stacking field stripping area, stacking the stripped top soil in the top soil stacking field non-stripping area, and completing the stripping work of the first stage; and then stripping the stripping area outside the surface soil stacking field, and stacking the surface soil in the stripping area of the surface soil stacking field which is stripped already in the surface soil stacking field. The method has the characteristics of simple principle, easiness in operation, accurate engineering quantity measurement and calculation, high efficiency and stability, can greatly improve the accuracy of the engineering quantity measurement and calculation, and effectively reduces the construction difficulty and cost.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (7)
1. A method for calculating the area of a surface soil stacking field is characterized by comprising the following steps: the method comprises the following steps:
step S1: defining the area of a stripping area as Z, and measuring Z;
step S2: selecting a position of a top soil stacking field in the stripping area, and setting the area of the top soil stacking field as M;
step S3: in the stripping zone, the stripping area excluding the topsoil dump is Z-M according to the steps S1 and S2;
step S4: dividing a top soil stacking field into a top soil stacking field stripping area and a top soil stacking field non-stripping area, and defining the area of the top soil stacking field non-stripping area as X and the area of the top soil stacking field stripping area as Y; according to step S2, X + Y = M;
step S5: stripping a stripping area of the surface soil stacking field, wherein the stripping thickness is H, the stripping method and the design principle of the part are that stripped surface soil is stored in a non-stripping area of the surface soil stacking field, the stacking height is H, and the stripping amount is required to be stacked in the non-stripping area of the surface soil stacking field according to the set stacking height H, so that the formula relation between the occupied area X of the non-stripping area of the surface soil stacking field and the occupied area Y of the stripping area of the surface soil stacking field is obtained as follows,
step S6: the stripping area of the top soil piling yard is used as a stripping amount storage area of the stripping area except the top soil piling yard after the stripping of the stripping area of the top soil piling yard is finished, at the moment, the stripping area of the top soil piling yard is dug down by the depth of H, and the top soil piling height of the stripping area of the top soil piling yard used as the piling yard is H-H;
step S7, combining the step S6, stripping the surface soil except the surface soil stacking field in the stripping area, wherein the stripping method and the design principle of the part are that the stripping amount is stored in the stripping area of the surface soil stacking field, and the stripping amount is fully stacked in the stripping area of the surface soil stacking field according to the set surface soil stacking height H-H;
step S8: in the stripping area, the area of the stripping area except the topsoil yard is defined as N, and the following steps are obtained according to the steps S1-S4: n = Z-X-Y or N = Z-M,
the amount of peeling of the peeled area outside the top soil yard was defined as A,
namely: a = (Z-X-Y) × h or a = N × h,
step S9: the relational expression is obtained according to the steps S5-S8: (Z-X-Y) X H-X X H = Yx (H-H) or (Z-X-Y) X H = Y X H,
and combining the peeling method and the design principle in the step S7, the calculation formula is arranged,
calculating and sorting according to the formula in the step S5 and the formula II to obtain a calculation formula of the area Y of the stripping area of the surface soil yard, wherein the calculation formula is as follows:
calculating and sorting according to the formula in the step S5 and the formula III to obtain a calculation formula of the area X of the non-stripping area of the surface soil yard, namely:
wherein, the units of H and H are M, M, N, X, Y and Z are M2The unit of A is m3。
2. The method for estimating the area of the topsoil yard according to claim 1, wherein: according to the steps S1-S4, the surface soil stripping area is int (Z-X), and the surface soil stacking site occupies an int (X + Y); the surface soil stripping work amount is measured and calculated, the value is defined as G, and the measurement and calculation formula is as follows: g = int [ (Z-X) × h]The units of X, Y, Z are m2G has the unit of m3。
3. The method for estimating the area of the topsoil yard according to claim 1, wherein: the equations of the steps S1-S9 are satisfied: z > M > Y > X, H > H.
4. A construction method for stripping surface soil is characterized in that: the method comprises the following steps:
a, selecting a stripping area in a certain area, measuring the area of the stripping area to be Z, selecting the position of a top soil stacking field in the stripping area, dividing the top soil stacking field into a top soil stacking field stripping area and a top soil stacking field non-stripping area, measuring the area X of the top soil stacking field non-stripping area and the area Y of the top soil stacking field stripping area according to the method for calculating the area of the top soil stacking field in claim 1, wherein in the stripping area, the area of the top soil stripping area is the sum of the area except the top soil stacking field and the area of the top soil putting field stripping area;
b, determining the stripping thickness of the surface soil stripping area according to the construction specification;
step C, determining the stacking height of the surface soil stacking field according to the construction specification;
d, stripping the stripping area of the top soil stacking field, and stacking the stripped soil in the non-stripping area of the top soil stacking field;
and E, stripping surface soil outside the surface soil piling site within the range of the stripping area after the step D is finished, and piling the stripped soil in the stripping area of the surface soil piling site.
5. The construction method for stripping the surface soil according to claim 4, characterized in that: and a retaining wall is arranged on the boundary in the surface soil stacking field, and the height of the retaining wall is greater than the stacking height of the surface soil stacking field.
6. The construction method for stripping the surface soil according to claim 4, characterized in that: the bottom surface shape of the top soil piling field is the same as the top shape of the piled soil.
7. The construction method for stripping the surface soil according to claim 4, characterized in that: the stripping thickness of the surface soil stripping area is determined by combining the specific conditions of the soil thickness and the fertility of the stripping area according to the technical requirements and acceptance regulations for land reclamation in local areas and the technical specifications and policy requirements of a land remediation method in local areas; the stacking height of the topsoil dump is determined according to the technical requirements and acceptance regulations of land reclamation in local areas and the technical requirements and policy requirements of land reclamation methods in local areas.
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