CN111815498A - Construction method for dike protection of municipal engineering - Google Patents
Construction method for dike protection of municipal engineering Download PDFInfo
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- 238000000746 purification Methods 0.000 claims abstract description 24
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Abstract
The invention relates to a construction method for protecting dikes in municipal engineering, which comprises a data recording stage, wherein hydrologic information of rivers in a pre-constructed river reach is collected and recorded at first for the construction preparation stage to process data; the construction preparation stage is used for judging whether an artificial dike dam or an ecological dike dam is adopted by using the data collected in the data collection stage, judging the material and the dike dam mode of the dike dam in the artificial dike dam protection process, meeting the water flow impact requirement, judging the type of the plant to be planted in the ecological dike dam and meeting the requirement of purifying a water source; the method collects hydrological parameters of a pre-constructed river reach before construction, judges whether ecological dike protection can be adopted or not, enables the construction of the municipal engineering dike protection to meet the requirements of beauty and greening as much as possible, judges the material of the dike protection through hydrological data detected in advance, prevents an impact mode, enables the dike protection to have higher reliability and meet the requirements of flood control, judges the required purification grade through the detected water quality data, and selects different ecological water purification plants according to the judgment grade to meet the requirements of ecological still water.
Description
Technical Field
The invention belongs to the field of embankment construction, and particularly relates to a method for constructing embankment in municipal engineering
Background
The dike dam is an important engineering facility for protecting important facilities or areas along the river bank, can reduce the loss of the river bank area caused by the invasion of the flood, has small water flow impact in the dike dam required by municipal engineering, is not required to be closed to the flood invasion during construction, is also required to be closed to greening and beautiful, and can purify the river pollution.
Disclosure of Invention
The invention aims to solve the problems that the building of dike-protecting in municipal engineering needs to meet the requirements of beauty, greening, river pollution treatment and flood control, and provides a method for constructing the dike-protecting in the municipal engineering
In the data recording stage, firstly, hydrologic information of rivers in the pre-construction river reach is collected and recorded for the construction preparation stage to process data; and a construction preparation stage, namely judging whether an artificial dike dam or an ecological dike dam is adopted by using the data collected in the data collection stage, judging the material and dike dam mode of the dike dam in the artificial dike dam protection process, meeting the water flow impact requirement, judging the type of the plant to be planted in the ecological dike dam, and meeting the requirement of purifying a water source.
Further, in the data recording stage, firstly acquiring hydrologic information of a pre-constructed river channel, and storing the hydrologic information into a river channel hydrologic data matrix P (V, H, HP, HM), wherein V represents average water flow of the constructed river bank, the maximum precipitation H within three years, the average water level HP of the river channel within three years and the maximum water level HM of the river channel within three years; and a water quality data matrix W (C, N, T), wherein C represents permanganate index CODMn for reacting polluted organic matters and reductive inorganic matters, N represents an index of ammonia nitrogen content in the water flow and has a standard control value NH 3-N; t represents the total nitrogen content TN in the water stream,
furthermore, in the construction preparation stage, before construction, firstly, a river channel hydrological data matrix P (V, H, HP, HM) and a water quality data matrix W (C, N, T) are measured, the inclination angle a of the pre-constructed river reach is measured, a bank protection construction mode coefficient Y is calculated through the following formula,
k1 is a preset coefficient, the other parameters are pre-recorded parameters, and Y is compared with a preset embankment building mode comparison parameter Y0 to judge whether manual embankment protection is needed or not;
when Y is more than Y0, judging that the river reach water impact is large, and recommending artificial dike protection;
when the artificial dike protection is judged to be adopted, firstly, the PH value of the water flow at the pre-built dike section and the content of corrosive carbonate are measured at intervals of a preset distance H0, and a water flow corrosive matrix F (Hi, PH, CO2) is recorded, wherein Hi is the ith measuring section, i represents a serial number, PH represents the PH value in the ith river section, CO2 represents the content of carbonate in the ith river section, and materials required for building the dike protection are selected according to the PH value and the C02 content of the material.
Furthermore, a specific judgment mode is adopted when the material of the bank protection surface is determined,
when the pH is greater than 6.5 or/and CO2 is less than 15, judging that the water flow of the river reach is weak in corrosivity, and building a dam protection surface by adopting normal concrete;
when the pH value is 5< 6.5 or/and the CO2 is 15< 30, judging that the water flow of the river reach is moderate in corrosivity, and adopting concrete added with a corrosion-resistant formula to construct a bank protection surface;
when the pH is 4< 5 or/and the CO2<60, judging that the water flow of the river reach is strong in corrosivity, and carrying out anti-corrosion treatment on the constructed embankment surface.
Then, the bank protection face is judged to be adopted according to the difference between the bank protection building mode coefficient Y and the preset coefficient YO, and judgment constants Y1, Y2 and Y3 are preset.
When Y-Y0< Y1 is judged as the first impact grade, the bank protection surface does not adopt impact relief treatment;
when Y1< Y-Y0< Y2, judging the second impact level, and adopting anti-impact treatment on the embankment surface;
when Y2< Y1< Y3, judging the grade to be a third impact grade, and paving flood control embankment blocks on the embankment surface by adopting severe impact prevention treatment;
when Y is less than Y0, judging that the river reach has less water flow impact, and suggesting to use a form of combining an artificial dike dam and an ecological dike dam for treatment;
further, when the ecological embankment is judged to be allowed to be used, a water quality standard parameter matrix W0(C0, N0 and T0) is preset in the construction preparation stage, wherein C0 represents the maximum value of permanganate index CODMn allowed by normal water quality, N0 represents the maximum value of ammonia nitrogen content in the normal water quality, T0 represents the maximum value of total nitrogen content in the normal water quality, the water quality standard parameter matrix W0(C0, N0 and T0) of the water quality data matrix W (C, N and T) is compared, the water quality pollution index K calculated according to the following formula is compared with a preset standard value K0 to judge the plants planted in the ecological embankment,
when K is more than KO, judging to adopt the ecological embankment protection project to purify the water quality,
the processing module is internally provided with ecological embankment plant planting grades H1, H2 and H3 which are preset values.
When H1< K < H2 is judged as the requirement of the first-level water purification plant, the ecological embankment can be planted with wild arrowheads and loosestrife with ordinary water purification capacity;
when H2< K < H3 is judged as the requirement of the secondary water purification plant, the ecological embankment can adopt calamus, reed and silvergrass with better water purification capacity;
when H3< K, the ecological embankment can adopt the giant reed with the strongest water purification capacity;
the method has the technical effects that hydrological parameters of a pre-constructed river reach are collected before construction, whether ecological dike protection can be adopted or not is judged, so that the requirements of urban river channels, attractiveness and greening can be met as much as possible in municipal engineering dike protection construction, the material of the dike protection is judged through hydrological data detected in advance, an impact protection mode is adopted, the dike protection is more reliable, the flood control requirement is met, the required purification grade is judged through the water quality data detected, different ecological water purification plants are selected according to the judgment grade, and the requirement of ecological still water is met.
Particularly, acquiring hydrologic information of a pre-constructed river channel, and storing the hydrologic information into a river channel hydrologic data matrix P (V, H, HP, HM), wherein V represents average water flow of the constructed river bank, the single day in three years, the highest precipitation H, the average water level HP of the river channel in three years and the highest water level HM of the river channel in three years; and a water quality data matrix W (C, N, T), wherein C represents permanganate index CODMn for reacting polluted organic matters and reductive inorganic matters, N represents an index of ammonia nitrogen content in the water flow and has a standard control value NH 3-N; t represents total nitrogen content TN in the water flow, and the detected hydrological data parameters and water quality data parameters are convenient to detect, representative and capable of reflecting hydrological and water quality conditions.
In particular, in the construction preparation stage, before construction, firstly, a river channel hydrological data matrix P (V, H, HP, HM) and a water quality data matrix W (C, N, T) are measured, the inclination angle a of the pre-constructed river reach is measured, a bank protection construction mode coefficient Y is calculated by the following formula,
k1 is a preset coefficient, the other parameters are pre-recorded parameters, and Y is compared with a preset embankment building mode comparison parameter Y0 to judge whether manual embankment protection is needed or not;
when Y is greater than Y0, judging that the river reach has larger water flow impact, advising to use an artificial dike, and judging whether an ecological dike can be adopted according to parameters so that the constructed ecological dike can meet engineering requirements.
Particularly, after the artificial dike protection is judged, firstly, the PH value and the content of corrosive carbonate of the water flow at the pre-built dike section are measured at intervals of a preset distance H0, and a water flow corrosivity matrix F (Hi, PH, CO2) is recorded, wherein Hi is the ith measured section, i represents a serial number, PH represents the PH value in the ith section, CO2 represents the content of carbonate in the ith section, and materials required for building the dike protection are selected according to the PH value and the C02 content.
Furthermore, a specific judgment mode is adopted when the material of the bank protection surface is determined,
when the pH is greater than 6.5 or/and CO2 is less than 15, judging that the water flow of the river reach is weak in corrosivity, and building a dam protection surface by adopting normal concrete;
when the pH value is 5< 6.5 or/and the CO2 is 15< 30, judging that the water flow of the river reach is moderate in corrosivity, and adopting concrete added with a corrosion-resistant formula to construct a bank protection surface;
when the pH is 4< 5 or/and the CO2<60, judging that the water flow of the river reach is strong in corrosivity, and carrying out anti-corrosion treatment on the constructed embankment surface.
Then, the bank protection face is judged to be adopted according to the difference between the bank protection building mode coefficient Y and the preset coefficient YO, and judgment constants Y1, Y2 and Y3 are preset.
When Y-Y0< Y1 is judged as the first impact grade, the bank protection surface does not adopt impact relief treatment;
when Y1< Y-Y0< Y2, judging the second impact level, and adopting anti-impact treatment on the embankment surface;
when Y2< Y1< Y3, judging the grade to be a third impact grade, and paving flood control embankment blocks on the embankment surface by adopting severe impact prevention treatment;
when Y is less than Y0, judging that the river reach has less water flow impact, and suggesting to use a form of combining an artificial dike dam and an ecological dike dam for treatment; the material and the anti-impact grade of the embankment are judged according to actual construction, and the reliability of the embankment is improved.
Particularly, when the ecological embankment is judged to be allowed to be used, a water quality standard parameter matrix W0(C0, N0 and T0) is preset in the construction preparation stage, wherein C0 represents the maximum value of permanganate index CODMn allowed by normal water quality, N0 represents the maximum value of ammonia nitrogen content in the normal water quality, T0 represents the maximum value of total nitrogen content in the normal water quality, the water quality standard parameter matrix W0(C0, N0 and T0) of the water quality data matrix W (C, N and T) is compared, the water quality pollution index K is calculated according to the following formula and compared with a preset standard value K0 to judge the plants planted in the ecological embankment,
when K is more than KO, judging to adopt the ecological embankment protection project to purify the water quality,
the processing module is internally provided with ecological embankment plant planting grades H1, H2 and H3 which are preset values.
When H1< K < H2 is judged as the requirement of the first-level water purification plant, the ecological embankment can be planted with wild arrowheads and loosestrife with ordinary water purification capacity;
when H2< K < H3 is judged as the requirement of the secondary water purification plant, the ecological embankment can adopt calamus, reed and silvergrass with better water purification capacity;
when H3< K, the ecological embankment can adopt the giant reed with the strongest water purification capacity;
and calculating a pollution index according to the parameters in the water quality, and determining the plants planted in the ecological dike dam according to the pollution index, wherein the ecological dike dam can meet the requirement of purifying the water quality due to the benefit of land placement.
Drawings
Fig. 1 is a flow chart of a municipal engineering embankment construction method provided by the embodiment of the invention.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, which is a flowchart illustrating a method for constructing a civil engineering embankment according to an embodiment of the present invention, the embodiment includes,
in the data recording stage, firstly, hydrologic information of rivers in the pre-construction river reach is collected and recorded for the construction preparation stage to process data; and a construction preparation stage, namely judging whether an artificial dike dam or an ecological dike dam is adopted by using the data collected in the data collection stage, judging the material and dike dam mode of the dike dam in the artificial dike dam protection process, meeting the water flow impact requirement, judging the type of the plant to be planted in the ecological dike dam, and meeting the requirement of purifying a water source.
Specifically, in the data recording stage, firstly acquiring hydrologic information of a pre-constructed river channel, and storing the hydrologic information into a river channel hydrologic data matrix P (V, H, HP, HM), wherein V represents average water flow of the constructed river bank, the maximum precipitation H within three years, the average water level HP of the river channel within three years and the maximum water level HM of the river channel within three years; and a water quality data matrix W (C, N, T), wherein C represents permanganate index CODMn for reacting polluted organic matters and reductive inorganic matters, N represents an index of ammonia nitrogen content in the water flow and has a standard control value NH 3-N; t represents the total nitrogen content TN in the water stream,
specifically, in the construction preparation stage, before construction, firstly, the river hydrological data matrix P (V, H, HP, HM) and the water quality data matrix W (C, N, T) are used for measuring the inclination angle a of the pre-built river reach, the embankment building mode coefficient Y is calculated by the following formula,
k1 is a preset coefficient, the other parameters are pre-recorded parameters, and Y is compared with a preset embankment construction mode comparison parameter Y0;
when Y is more than Y0, judging that the river reach water impact is large, and recommending artificial dike protection;
specifically, after the artificial dike protection is judged, firstly, the PH value and the content of corrosive carbonate of the water flow at the pre-built dike section are measured at intervals of a preset distance H0, and recorded in a water flow corrosivity matrix F (Hi, PH, CO2), wherein Hi is the ith measured section, i represents a serial number, PH represents the PH value in the ith section, CO2 represents the content of carbonate in the ith section, and materials required for building the dike protection are selected according to the PH value and the C02 content.
Specifically, a specific judgment method is adopted when the material of the bank protection face is determined,
when the pH is greater than 6.5 or/and CO2 is less than 15, judging that the water flow of the river reach is weak in corrosivity, and building a dam protection surface by adopting normal concrete;
when the pH value is 5< 6.5 or/and the CO2 is 15< 30, judging that the water flow of the river reach is moderate in corrosivity, and adopting concrete added with a corrosion-resistant formula to construct a bank protection surface;
when the pH is 4< 5 or/and the CO2<60, judging that the water flow of the river reach is strong in corrosivity, and carrying out anti-corrosion treatment on the constructed embankment surface.
Then, the bank protection face is judged to be adopted according to the difference between the bank protection building mode coefficient Y and the preset coefficient YO, and judgment constants Y1, Y2 and Y3 are preset.
When Y-Y0< Y1 is judged as the first impact grade, the bank protection surface does not adopt impact relief treatment;
when Y1< Y-Y0< Y2, judging the second impact level, and adopting anti-impact treatment on the embankment surface;
when Y2< Y1< Y3, judging the grade to be a third impact grade, and paving flood control embankment blocks on the embankment surface by adopting severe impact prevention treatment;
when Y is less than Y0, judging that the river reach has less water flow impact, and suggesting to use a form of combining an artificial dike dam and an ecological dike dam for treatment;
when the ecological embankment is judged to be allowed to be used, a water quality standard parameter matrix W0(C0, N0 and T0) is preset in the construction preparation stage, wherein C0 represents the maximum value of permanganate index CODMn allowed by normal water quality, N0 represents the maximum value of ammonia nitrogen content in the normal water quality, T0 represents the maximum value of total nitrogen content in the normal water quality, the water quality standard parameter matrix W0(C0, N0 and T0) of the water quality data matrix W (C, N and T) is compared, a water quality pollution index K is calculated according to the following formula and compared with a preset standard value K0 to judge plants planted in the ecological embankment,
when K is more than KO, judging to adopt the ecological embankment protection project to purify the water quality,
the processing module is internally provided with ecological embankment plant planting grades H1, H2 and H3 which are preset values.
When H1< K < H2 is judged as the requirement of the first-level water purification plant, the ecological embankment can be planted with wild arrowheads and loosestrife with ordinary water purification capacity;
when H2< K < H3 is judged as the requirement of the secondary water purification plant, the ecological embankment can adopt calamus, reed and silvergrass with better water purification capacity;
when H3< K, the ecological embankment can adopt the giant reed with the strongest water purification capacity;
so far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (7)
1. A municipal works embankment protection construction method is characterized in that: which comprises the steps of preparing a mixture of a plurality of raw materials,
in the data recording stage, firstly, collecting and recording river hydrological information of a pre-construction river reach for a construction preparation stage to process data, firstly, acquiring hydrological information of the pre-construction river reach, and storing the hydrological information into a river hydrological data matrix P (V, H, HP, HM), wherein V represents average water flow of the construction river reach, the maximum precipitation H within one day of three years, the average water level HP of the river reach within three years, and the maximum water level HM of the river reach within three years; and a water quality data matrix W (C, N, T), wherein C represents permanganate index CODMn for reacting polluted organic matters and reductive inorganic matters, N represents an index of ammonia nitrogen content in the water flow and has a standard control value NH 3-N; t represents the total nitrogen content TN in the water stream;
a construction preparation stage, judging whether an artificial dike protection or an ecological dike protection is adopted by using data collected in the data collection stage, judging the material and the dike protection mode of the dike protection in the artificial dike protection process, meeting the requirement of water flow impact, judging the type of plants required to be planted in the ecological dike protection, meeting the requirement of purifying water quality, before construction, firstly, determining the inclination angle a of the pre-built river reach, calculating the coefficient Y of the dike protection building mode by the following formula,
k1 is a preset coefficient, the other parameters are pre-recorded parameters, and Y is compared with a preset embankment building mode comparison parameter Y0 to judge whether manual embankment protection is needed.
2. The municipal engineering embankment construction method according to claim 1, wherein when the construction preparation stage determines whether manual embankment is required,
when Y is more than Y0, judging that the river reach has larger water flow impact, and using an artificial dike dam;
when Y < Y0, the river reach is judged to have small water impact, and the treatment in a form of combining an artificial dike and an ecological dike is recommended.
3. The municipal works embankment protection construction method according to claim 2, wherein after the construction preparation stage judges that manual embankment protection is used, after the manual embankment protection is adopted, the PH value of the water flow at the pre-built embankment river reach and the content of corrosive carbonate are measured at intervals of a preset distance H0, a water flow corrosivity matrix F (Hi, PH, CO2) is recorded, wherein Hi is the ith measured river reach, i represents a serial number, PH represents the PH value in the ith river reach, CO2 represents the content of carbonate in the ith river reach, and materials required for building embankment protection are selected according to the PH value and the C02 content.
4. The municipal works embankment construction method according to claim 3, wherein after the construction preparation stage judges that the artificial embankment is used, a specific judgment method is adopted when the embankment facing material is determined,
when the pH is greater than 6.5 or/and CO2 is less than 15, judging that the water flow of the river reach is weak in corrosivity, and building a dam protection surface by adopting normal concrete;
when the pH value is 5< 6.5 or/and the CO2 is 15< 30, judging that the water flow of the river reach is moderate in corrosivity, and adopting concrete added with a corrosion-resistant formula to construct a bank protection surface;
when the pH is 4< 5 or/and the CO2<60, judging that the water flow of the river reach is strong in corrosivity, and carrying out anti-corrosion treatment on the constructed embankment surface.
5. The municipal works embankment construction method according to claim 3, wherein after the construction preparation stage judges that artificial embankment is used, the mode of adopting an embankment surface is judged according to the difference between an embankment construction mode coefficient Y and a preset coefficient YO, and judgment constants Y1, Y2 and Y3 are preset;
when Y-Y0< Y1 is judged as the first impact grade, the bank protection surface does not adopt impact relief treatment;
when Y1< Y-Y0< Y2, judging the second impact level, and adopting anti-impact treatment on the embankment surface;
when Y2< Y1< Y3, judging the grade to be a third impact grade, and paving flood control embankment blocks on the embankment surface by adopting severe impact prevention treatment;
when Y < Y0, the river reach is judged to have small water impact, and the treatment in a form of combining an artificial dike and an ecological dike is recommended.
6. The municipal engineering embankment construction method according to claim 2, wherein when the ecological embankment is allowed to be used in the construction preparation stage, a water quality standard parameter matrix W0(C0, N0 and T0) is preset in the construction preparation stage, wherein C0 represents the maximum value of permanganate index CODMn allowed by normal water quality, N0 represents the maximum value of ammonia nitrogen content in normal water quality, and T0 represents the maximum value of total nitrogen content in normal water quality, the water quality standard parameter matrix W0(C0, N0 and T0) of the water quality data matrix W (C, N and T) is compared, and the water pollution index K is calculated according to the following formula and compared with a preset standard value K0 to determine plants planted in the ecological embankment.
7. The method of claim 6, wherein when the construction preparation phase determines that the use of an ecological embankment is allowed,
when K is more than KO, judging to adopt the ecological embankment protection project to purify the water quality,
ecological embankment plant planting grades H1, H2 and H3 are arranged in the processing module and are preset values;
when H1< K < H2 is judged as the requirement of the first-level water purification plant, the ecological embankment can be planted with wild arrowheads and loosestrife with ordinary water purification capacity;
when H2< K < H3 is judged as the requirement of the secondary water purification plant, the ecological embankment can adopt calamus, reed and silvergrass with better water purification capacity;
when H3< K, the ecological embankment can adopt the giant reed with the strongest water purification capacity;
and calculating a pollution index according to the parameters in the water quality, and determining the plants planted in the ecological dike dam according to the pollution index, wherein the ecological dike dam can meet the requirement of purifying the water quality due to the benefit of land placement.
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