CN214832819U - Underground water comprehensive utilization system combined with earthquake liquefaction foundation treatment scheme - Google Patents
Underground water comprehensive utilization system combined with earthquake liquefaction foundation treatment scheme Download PDFInfo
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Abstract
The utility model provides a comprehensive utilization system of groundwater combined with a treatment scheme of an earthquake liquefaction foundation, which comprises a living residential area, an agricultural planting area, a landscape greening area, an ecological buffer area, a river drainage area, a drainage device arranged on a building foundation of the living residential area and a retaining wall connected with the building foundation, wherein the bottom of the outer side of the retaining wall is excavated with a drainage channel capable of receiving groundwater flowing out of the drainage device; the system comprises a landscape water system arranged in a living residential area, a greening irrigation reservoir arranged near a landscape greening area and a farmland irrigation reservoir arranged near an agricultural planting area; the upstream of the ecological buffer area receives irrigation residual water of the landscape greening area and the agricultural planting area and landscape water system overflow of the living residential area; the river drainage area is used as the lowest drainage surface of the area and is communicated with the agricultural planting area, the landscape greening area and the ecological buffer area. The utility model discloses can in time discharge groundwater, eliminate earthquake liquefaction, carry out the comprehensive utilization, make full use of water resource to exhaust groundwater in addition.
Description
Technical Field
The utility model relates to a groundwater is synthesized and is utilized the field, specifically is a groundwater is synthesized and is utilized system that combines earthquake liquefaction ground treatment scheme.
Background
The vibro-replacement gravel pile has the functions of replacement, compaction, vibration compaction and the like on foundation soil, and the pile and the soil among the piles form a composite foundation, so that the bearing capacity of the foundation is improved, the deformation is reduced, and the liquefaction of the soil layer can be eliminated. In addition, according to the building earthquake-resistant design code (GB50011-2010), a plurality of documents or engineering practices indicate that the vibroflotation piles or the compaction gravel piles have the function of draining underground water. In actual projects, some building site liquefied soil layers are deep clay sand, generally, because soil drainage is not smooth and a drainage outlet is lacked, the vibroflotation gravel pile cannot play a drainage role and cannot be used as a safety reserve for eliminating earthquake liquefaction, and in addition, the building site is saturated with water, the building is easily affected with damp, and the living environment is affected.
In addition, because rural water conservancy and sewage treatment infrastructure are imperfect, a series of problems such as water resource shortage, water environment and water ecological deterioration generally exist at present, but with the rapid development of economic society, the requirements of rural residents on living environment and irrigation guarantee are higher and higher, and the human-water contradiction is more and more prominent. The underground water has good water quality and stable water quantity, is a precious resource, and is a huge waste if the underground water is directly discharged as waste water after the underground water drainage channel is opened through the vibroflotation gravel pile and the drainage perforated pipe.
SUMMERY OF THE UTILITY MODEL
The utility model provides a ground water comprehensive utilization system who combines earthquake liquefaction ground treatment scheme can in time discharge groundwater, eliminates earthquake liquefaction, carries out comprehensive utilization, make full use of water resource to exhaust groundwater in addition.
The utility model adopts the following technical scheme:
a comprehensive utilization system of underground water combined with the treatment scheme of earthquake liquefied foundation comprises living residential areas, agricultural planting areas, landscape greening areas, ecological buffer areas, river discharge areas and a system for dividing rural residential points, peripheral cultivated land and rivers into
The drainage device is arranged on a building foundation of a living residential area, the retaining wall is connected with the building foundation, and a drainage channel capable of receiving underground water flowing out of the drainage device is dug at the bottom of the outer side of the retaining wall;
the landscape water system is arranged in the living residential area, the upper stream of the landscape water system is connected with the underground water discharged by the drainage channel of the living residential area, and the lower stream of the landscape water system is connected with the ecological buffer area;
the greening irrigation reservoir is arranged near the landscape greening area, the upstream of the greening irrigation reservoir is used for receiving underground water discharged from a drainage channel of a living residential area, and the downstream of the greening irrigation reservoir is connected with a drip irrigation system of the landscape greening area;
the farmland irrigation reservoir is arranged near the agricultural planting area, the upstream of the farmland irrigation reservoir is connected with underground water discharged from a drainage channel of a living residential area, and the downstream of the farmland irrigation reservoir is connected with a irrigation and drainage open channel of the agricultural planting area;
the upstream of the ecological buffer area receives irrigation residual water of the landscape greening area and the agricultural planting area and landscape water system overflow of the living residential area;
the river drainage area is used as the lowest drainage surface of the area and is communicated with the agricultural planting area, the landscape greening area and the ecological buffer area and is used as a drainage outlet of the whole system.
Furthermore, the drainage device of the building foundation of the living residential area comprises vibroflotation gravel piles and drainage perforated pipes penetrating the vibroflotation gravel piles, and underground water in the vibroflotation gravel piles flows out of the empty surface to the drainage channel at the bottom of the outer side of the retaining wall through the drainage perforated pipes.
Further, horizontal pre-buried barricade wash port in the retaining wall, except lower floor's barricade wash port, other barricade wash ports all wrap the geotechnological cloth that permeates water, and lower floor's barricade wash port is located drainage channel upper portion, and drainage channel and view river system, afforestation irrigation cistern, farmland irrigation cistern communicate.
Furthermore, a steel drainage perforated pipe is transversely driven through the vibro-replacement gravel pile group through a preset drainage hole, and the drainage perforated pipe is communicated with the drainage hole of the retaining wall at the bottommost layer in the retaining wall.
Furthermore, the greening irrigation reservoir is buried, and an overflow pipeline is arranged to be connected with a river drainage area.
Furthermore, the farmland irrigation reservoir is buried, and an overflow pipeline is arranged to be connected with a river drainage area.
The utility model discloses following beneficial effect has:
(1) the building safety is guaranteed. The foundation treatment scheme that the drainage perforated pipes are connected with the vibro-replacement gravel piles is adopted, so that the phenomenon of earthquake liquefaction is eliminated, and the building safety is guaranteed;
(2) fully utilizes water resources. The groundwater discharged by the foundation treatment scheme is used as a resource for comprehensive utilization;
(3) the landscape and the appearance of rural residential sites are improved. The landscape greening is maintained by using underground water, which is beneficial to the normal growth of plants; the water source is provided for the residential landscape water system, so that the landscape and the appearance of the residential site are improved;
(4) the irrigation guarantee rate is improved. The underground water is stored in the reservoir as an irrigation water source, so that farmlands near residential points can be irrigated under the condition of water shortage, the irrigation guarantee rate and the crop yield are improved, and the income of farmers is increased;
(5) improves the rural water ecology and water environment. The artificial wetland is constructed through water system communication, wetland plants and aquatic organisms are matched, agricultural non-point source pollution and domestic sewage are controlled and treated, and the ecological environment is restored.
Drawings
FIG. 1 is a schematic view of the present invention modifying the building foundation of a residential area;
FIG. 2 is a schematic structural diagram of the comprehensive utilization system of groundwater combined with the treatment scheme of earthquake liquefaction foundation.
In the figure: 1-retaining wall, 2-vibroflotation gravel pile, 3-coarse sand cushion layer, 4-drainage floral tube, 5-inverted filter layer, 6-retaining wall drainage hole, 7-wall back filling, 8-clay ramming layer, 9-1-drainage channel, 9-2-irrigation and drainage open channel, 10-house building, 11-living residential area, 12-agricultural planting area, 13-landscape greening area, 14-ecological buffer area, 15-river drainage area, 16-greening irrigation reservoir, 17-farmland irrigation reservoir, 18-landscape water system and 19-drip irrigation system.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and 2, an embodiment of the groundwater comprehensive utilization system according to the present invention includes a residential area 11, an agricultural planting area 12, a landscaping area 13, an ecological buffer area 14, a river drainage area 15, and a ground water comprehensive utilization system for dividing rural residents, peripheral cultivated land and rivers into a plurality of areas, and a plurality of ground water comprehensive utilization systems for processing the ground water by earthquake liquefaction
The device comprises a drainage device arranged on a building foundation of a living residential area 11 and a retaining wall 1 connected with the building foundation, wherein a drainage channel 9-1 capable of receiving underground water flowing out of the drainage device is dug at the bottom of the outer side of the retaining wall 1;
the landscape water system 18 is arranged in the living residential area 11, the upstream of the landscape water system 18 receives the underground water discharged from the drainage channel 9-1 of the living residential area 11, and the downstream is connected with the ecological buffer area 14;
the greening irrigation reservoir 16 is arranged near the landscape greening area 13, the upstream of the greening irrigation reservoir 16 receives the underground water discharged from the drainage channel 9-1 of the living residential area 11, and the downstream is connected with a drip irrigation system 19 of the landscape greening area 13 to irrigate the landscape greening area 13 in a self-flowing mode;
a farmland irrigation reservoir 17 arranged near the agricultural planting area 12, wherein the upper stream of the farmland irrigation reservoir 17 is connected with the underground water discharged from the drainage channel 9-1 of the living residential area 11, and the lower stream of the farmland irrigation reservoir 17 is connected with the irrigation and drainage open channel 9-2 of the agricultural planting area 12, so that the agricultural planting area 12 is irrigated in a self-flowing manner;
the upstream of the ecological buffer zone 14 receives the irrigation residual water of the landscape greening zone 13 and the agricultural planting zone 12 and the landscape water system 18 overflow of the living residential area 11;
the river drainage area 15 is used as the lowest drainage surface of the area and is communicated with the agricultural planting area 12, the landscape greening area 13 and the ecological buffer area 14 to be used as a drainage outlet of the whole system.
The drainage device of the building foundation of the living residential area 11 comprises a vibroflotation gravel pile 2 and a drainage perforated pipe 4 penetrating through the vibroflotation gravel pile 2, and underground water in the vibroflotation gravel pile 2 flows out of an empty surface to a drainage channel 9-1 on the outer side of the retaining wall 1 through the drainage perforated pipe 3.
The method comprises the following steps of carrying out terrain reconstruction on a gentle slope building site, reconstructing the gentle slope terrain into a terrace through arranging a retaining wall 1 (shown in figure 1), and connecting the retaining wall 1 with a terrace and a terrace. The upper part of the retaining wall 1 is inwards provided with a reverse filter layer 5 and a wall back filling layer 7 in sequence, and the bottom parts of the reverse filter layer 5 and the wall back filling layer 7 are clay ramming layers 8. The retaining wall 1 is internally and transversely embedded with retaining wall drain holes 6, the retaining wall drain holes 6 can be phi 100PVC pipelines at intervals of 2 multiplied by 2m and are arranged in a vertically staggered manner, and except for the retaining wall drain holes 6 at the lowest layer, the retaining wall drain holes 6 are all wrapped with permeable geotextile. The bottom of the outer side of the retaining wall 1 is excavated with a drainage channel 9-1 connected with an agricultural planting area 12, and the drainage hole 6 of the lowest retaining wall is positioned at the upper part of the drainage channel 9-1.
And a steel drainage perforated pipe 4 is transversely driven through the vibroflotation gravel pile group through a preset drainage hole 6. The drainage perforated pipe 4 adopts a Q235 seamless steel pipe with an inner lining of reverse filter geotextile, the outer diameter is 95mm, and the wall thickness is 4.5 mm. The drainage perforated pipe 4 slightly inclines upwards towards the direction of the upper terrace, and the drainage gradient is about 5 percent. And a coarse sand cushion layer 3 is arranged at the top of the vibroflotation gravel pile 2, and the thickness of the coarse sand cushion layer is about 250 mm. The drainage floral tube 4 is communicated with a retaining wall drainage hole 6 at the bottommost layer in the retaining wall 1.
The utility model discloses the concrete implementation includes following step:
(1) by applying a functional zoning method of town planning, rural residential areas, peripheral cultivated land and rivers are taken as a whole to be researched and are divided into a living residential area 11, an agricultural planting area 12, a landscape greening area 13, an ecological buffer area 14 and a river drainage area 15.
Arranging a living residential area 11 to accommodate rural residents and collect rainwater, and arranging vibro-replacement gravel piles 2 in the living residential area 15 to eliminate earthquake liquefaction; an agricultural planting area 12 is arranged to provide agricultural production space for rural residents; setting a landscape greening area 13 to keep water and soil, improving the landscape of residential sites and improving the living environment; the ecological buffer area 14 is arranged to accommodate rainwater containing non-point source pollutants collected by the living residential area 11 and drainage containing agricultural non-point source pollutants generated by agricultural production in the agricultural planting area 12, so that the quality of drainage water is improved, the water environment and the water ecology are improved, and the self-cleaning pressure of a river drainage area 15 is reduced; the river drainage area 15 is provided as the lowest drainage level of the area, i.e., the system drainage outlet.
(2) The method comprises the following steps of carrying out terrain reconstruction on a gentle slope building site, reconstructing the gentle slope terrain into a terrace through arranging a retaining wall 1 (shown in figure 1), and connecting the retaining wall 1 with a terrace and a terrace. The height of the retaining wall 1 should not be too high, and should not be more than 6 m. The retaining wall 1 adopts M7.5 grouted stones or cast-in-place concrete, and the design of the retaining wall 1 can meet the requirements of relevant specifications. The upper part of the retaining wall 1 is inwards provided with a reverse filter layer 5 and a wall back filling layer 7 in sequence, and the bottom parts of the reverse filter layer 5 and the wall back filling layer 7 are clay ramming layers 8. The retaining wall 1 is internally and transversely embedded with retaining wall drain holes 6, the retaining wall drain holes 6 can be phi 100PVC pipelines at intervals of 2 multiplied by 2m and are arranged in a vertically staggered manner, and except for the retaining wall drain holes 6 at the lowest layer, the retaining wall drain holes 6 are all wrapped with permeable geotextile. The bottom of the outer side of the retaining wall 1 is dug with a drainage channel 9-1, and the drainage hole 6 of the lowest retaining wall is positioned at the upper part of the drainage channel 9-1.
(3) For the building foundation of the living residential area 11, the vibroflotation gravel pile 2 is adopted to eliminate the earthquake liquefaction. The vibroflotation gravel piles 2 are arranged in a square shape, the vibroflotation device power is 75kw, the pile diameter is 800-1200 mm, the pile spacing is 1.5-3.0 m, and the values of the specific pile length, the pile diameter and the pile spacing are determined according to field tests, so that the relevant requirements of bearing capacity, deformation and elimination of seismic liquefaction are met. The foundation treatment range is to expand 1-3 rows of piles at the outer edge of the foundation, the expanded width is not less than 1/2 of the thickness of the liquefiable soil layer under the foundation, and the expanded width is not less than 5 m. The pile body material adopts broken stone with mud content not more than 5%, and the grain size of the filler is preferably 40-150 mm. And a steel drainage perforated pipe 4 is transversely driven through the vibroflotation gravel pile group through a preset drainage hole 6. The drainage perforated pipe 4 adopts a Q235 seamless steel pipe with an inner lining of reverse filter geotextile, the outer diameter is 95mm, and the wall thickness is 4.5 mm. The drainage perforated pipe 4 slightly inclines upwards towards the direction of the upper terrace, and the drainage gradient is about 5 percent. The ground top of the vibroflotation gravel pile 2 extends to be provided with a coarse sand cushion layer 3, and the thickness of the coarse sand cushion layer is about 250 mm. The drainage floral tube 4 is communicated with a retaining wall drainage hole 6 at the bottommost layer in the retaining wall 1.
(4) Setting the capacity of 200m above 13 landscape greening areas3The greening irrigation reservoir 16 (a reinforced concrete structure) is of a buried type, underground water discharged by the vibroflotation gravel piles 2 and the drainage floral tubes 4 of the living residential area 11 is received at the upstream, a drip irrigation system 19 of the landscape greening area 13 is connected at the downstream, the landscape greening area 13 is irrigated in a self-flowing mode, an overflow pipeline is additionally arranged to be connected with the river drainage area 15, the situation that the drainage of the underground water is blocked after the greening irrigation reservoir 16 is filled with water is prevented, and the overflow pipe is made of a dn200 galvanized steel pipe; according to the vegetation management requirement of the landscape greening area, the irrigation water quantity and the irrigation frequency are adjusted through the valve. The main drip irrigation pipe adopts a dn75 PE pipe, the branch pipes adopt dn16 embedded cylindrical drip irrigation pipes, the distance between the branch pipes is 3m, and the distance between the drip holes is 30 cm; the residual irrigation water enters the ecological buffer zone 14, namely the artificial wetland, through soil seepage.
(5) The capacity is set to be 200m above 12 m of an agricultural planting area3A farmland irrigation reservoir 17 (a reinforced concrete structure) which is buried, wherein the upper stream of the farmland irrigation reservoir is connected with underground water discharged by the vibro-replacement stone piles 2 and the drainage floral tubes 4 of the living housing area 11, the lower stream of the farmland irrigation reservoir is connected with an irrigation system (such as irrigation and drainage open channels 9-2) of the agricultural planting area 12, the agricultural planting area 12 is irrigated in a self-flowing mode, an overflow pipeline is additionally arranged to be connected with a river drainage area 15, the drainage of the underground water is prevented from being blocked after the reservoir is fully filled, and the overflow pipe is a dn200 galvanized steel pipe; according to the crop demand of the agricultural planting area 12, the irrigation water quantity and the irrigation frequency are adjusted through a valve; the residual irrigation water is guided into an ecological buffer area 14, namely the artificial wetland, through a irrigation and drainage open channel 9-2 of an agricultural planting area 12, wherein the irrigation and drainage open channel 9-2 is a soil irrigation and drainage open channel, the section form is a trapezoidal section, the width of the channel bottom is 50cm, the depth of the channel is 50cm, and the slope ratio of the side wall is 1: 0.75.
(6) The living residential area 11 is provided with a landscape water system 18, the upper stream receives the underground water discharged by the vibroflotation gravel piles 2 and the drainage floral tubes 4 of the living residential area 11, and the lower stream is connected with an ecological buffer area 14; the landscape water system 18 is a wide and shallow open channel, the depth is 20-30 cm, and the plane shape can be designed into a distinctive shape according to the total plane plan of residential quarters; the underpad surface of the landscape water system 18 must be closed, C25 concrete is used for pouring the bottom plate and the side wall to avoid infiltration and supplement of underground water, the effect of foundation treatment is not affected, pebbles are paved on the concrete bottom plate, and the concrete side wall is covered by landscape rockfill, so that the natural appearance of the water body is built.
(7) Communicating a river drainage area 15 with an agricultural planting area 12, a landscape greening area 13 and an ecological buffer area 14; the upstream of the ecological buffer zone 14 receives the irrigation residual water of the landscape greening zone 13 and the agricultural planting zone 12 and the landscape water system 18 overflow of the living residential area 11, nitrogen and phosphorus elements in the water body are fixed through the internal adsorption and absorption functions of the ecological buffer zone 14, the agricultural non-point source pollution and the domestic sewage pollution are reduced, and the downstream is connected with a river drainage zone 15 serving as a drainage outlet of the whole system.
The ecological buffer 14 is mainly subject to pollutant digestion by plants, which include floating, rhizome bulb, emergent, submerged plants, which have common characteristics: the fertilizer has the advantages of strong adaptability, developed root system, large growth amount, coexistence of vegetative growth and reproductive growth, and stronger absorption capacity to N and P, K. In addition, the aquatic animals are an important part in the water body ecological system, can promote the circulation of nutrient elements, promote the energy flow process of a food net, change the physicochemical properties of sediments, and put 100kg of aquatic animals in an ecological buffer zone.
The technical scheme of the utility model is discussed in detail below by taking a new rural residential site of 100-family scale as an example:
(1) original gentle slope topography is reformed transform through excavating and filling, sets up the difference in height of retaining wall 1 linking up from top to bottom terrace. The implementation of the retaining wall 1 is to dig to form a retaining wall foundation trench first and then build a wall body; the retaining wall is built at a certain height, the clay tamping layer 8 can be backfilled, the clay mainly plays a role in sealing, and meanwhile, the 50 cm-thick inverted filter layer 5 and the wall back filling layer 7 can be backfilled; the retaining wall drain holes 6 are pre-embedded in the retaining wall building process, phi 100PVC pipelines are adopted, the distance is 2 multiplied by 2m, and the retaining wall drain holes are arranged in a vertically staggered mode.
(2) The novel earthquake liquefaction foundation treatment scheme comprises two parts, namely a vibroflotation gravel pile 2 and a drainage perforated pipe 4.
And (3) vibrating and punching the gravel pile: the main auxiliary machine for construction is composed of hoisting machinery, water supply pump, slurry pump, filler machinery, automatic electric control system, and matched cable, rubber tube and repairing machine. The pile body material adopts broken stone with mud content not more than 5%, and the grain size of the filler is preferably 40-150 mm. The vibroflotation gravel pile 2 is positioned, high-pressure water of professional construction equipment is used for punching, slurry is discharged by a slurry discharge pump, and meanwhile, a loader feeds gravel materials to achieve compaction through vibration of the equipment. After the construction of the vibro-replacement gravel pile 2 is completed, a loose part with the head part of 1.5m is dug, a coarse sand cushion layer 3 is paved for about 250mm, and the pile top is deep into a mattress cushion layer for 100 mm.
The implementation of a drainage perforated pipe: the drainage perforated pipe 4 with the reverse filtering function is adopted, the air compressor is utilized to drive the drainage perforated pipe 4 into the drainage holes 6 in the lowest row of the retaining wall, the drainage slope is 5 percent after penetrating through the vibroflotation gravel pile 2, and the underground water in the vibroflotation gravel pile 2 is drained through the drainage perforated pipe 4.
(3) The drainage floral tube 4 is connected with a greening irrigation reservoir 16 with the capacity of 200m3Is a reinforced concrete structure; the downstream of the greening irrigation reservoir 16 is connected with a drip irrigation system 19 of the landscape greening area 13, the landscape greening area 13 is irrigated in a self-flowing mode, the drip irrigation system 19 is composed of a main pipe and a straight pipe, the main pipe and the straight pipe are uniformly arranged on the ground surface of the greening landscape area 13, the main pipe adopts a dn75 PE pipe, branch pipes adopt dn16 embedded cylindrical drip irrigation pipes, the distance between the branch pipes is 3m, the distance between drip holes is 30cm, and residual irrigation water enters the ecological buffer area 14 through soil seepage.
(4) The drainage floral tube 4 is connected with a farmland irrigation reservoir 17 through a drainage channel 9-1, and the reservoir capacity is 200m3Is a reinforced concrete structure; the downstream of the farmland irrigation reservoir 17 is connected with a irrigation and drainage open channel 9-2 for irrigating the agricultural planting area 12 in a self-flowing mode, the irrigation and drainage open channel 9-2 is a soil channel, the section form is a trapezoidal section, the width of the channel bottom is 50cm, the depth of the channel is 50cm, the slope ratio of the side wall is 1:0.75, and the irrigation residual water is guided into the ecological buffer area 14 through the irrigation and drainage open channel 9-2.
(5) The drainage floral tube 4 is connected with a landscape water system 18 of the living residential area 11, and the downstream of the landscape water system 18 is connected with an ecological buffer area 14; the landscape water system 18 is a wide and shallow open channel, the depth of the channel is 20-30 cm, C25 concrete is adopted to pour the bottom plate and the side wall, and landscape transformation and naturalization transformation are carried out on the bottom plate and the side wall.
(6) The ecological buffer zone 14 absorbs and eliminates nitrogen and phosphorus elements in the water body by using plants and aquatic animals, so that water pollution is reduced; downstream is connected to a river discharge area 15. The plant arrangement of the ecological buffer area 14 comprises floating plants (water hyacinth, pistia stratiotes, cress, leeks, duckweed, water spinach, watercress and the like), rhizome corm plants (water lily, lotus, calla, arrowhead, water chestnut, taro, rhizoma alismatis, water caltrop, coix seed, gordon euryale seed and the like), emergent aquatic plants (reed, water bamboo, cattail, eclipta alba, pennisetum hydridum, scirpus, water shallot, cyperus esculentus and the like), submerged plants (foxtail, black algae and the like), aquatic animals such as four-headed fishes, snails, freshwater mussels and the like, and the input amount is 100 kg.
(7) The river discharge area 15 serves as a system end drain channel.
The embodiment of the utility model provides a through regarding vibroflotation gravel pile 2 as the sand well, through facing the sky face in the place and transversely squeezing into drainage floral tube 4, run through gravel pile 2, form drainage channel, groundwater flows out drainage channel 9-1 from facing the sky face through drainage floral tube 4 in vibroflotation gravel pile 2, then discharges outside the place through irritating discharge open channel 9-2, reduces ground water level from this, activates vibroflotation gravel pile 2 and alleviates the effect of earthquake liquefaction through the drainage to improve the site environment; the utility model controls and treats agricultural non-point source pollution and domestic sewage by communicating water systems, constructing the artificial wetland and matching wetland plants and aquatic organisms, thereby restoring the ecological environment; the underground water discharged by the foundation treatment scheme is used as a resource, and is comprehensively utilized by arranging facilities such as a reservoir, a landscape water channel, an irrigation water channel and the like, so that the problems related to water resources, water environment and water landscape are solved.
The above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a ground water comprehensive utilization system who combines seismic liquefaction ground treatment scheme which characterized in that: comprises a living residential area, an agricultural planting area, a landscape greening area, an ecological buffer area, a river discharge area and a method for dividing rural residential points, peripheral cultivated land and rivers into
The drainage device is arranged on a building foundation of a living residential area, the retaining wall is connected with the building foundation, and a drainage channel capable of receiving underground water flowing out of the drainage device is dug at the bottom of the outer side of the retaining wall;
the landscape water system is arranged in the living residential area, the upper stream of the landscape water system is connected with the underground water discharged by the drainage channel of the living residential area, and the lower stream of the landscape water system is connected with the ecological buffer area;
the greening irrigation reservoir is arranged near the landscape greening area, the upstream of the greening irrigation reservoir is used for receiving underground water discharged from a drainage channel of a living residential area, and the downstream of the greening irrigation reservoir is connected with a drip irrigation system of the landscape greening area;
the farmland irrigation reservoir is arranged near the agricultural planting area, the upstream of the farmland irrigation reservoir is connected with underground water discharged from a drainage channel of a living residential area, and the downstream of the farmland irrigation reservoir is connected with a irrigation and drainage open channel of the agricultural planting area;
the upstream of the ecological buffer area receives irrigation residual water of the landscape greening area and the agricultural planting area and landscape water system overflow of the living residential area;
the river drainage area is used as the lowest drainage surface of the area and is communicated with the agricultural planting area, the landscape greening area and the ecological buffer area and is used as a drainage outlet of the whole system.
2. The groundwater comprehensive utilization system in combination with the seismic liquefaction foundation treatment scheme of claim 1, wherein: the drainage device of the building foundation of the living residential area comprises a vibroflotation gravel pile and a drainage perforated pipe penetrating through the vibroflotation gravel pile, and underground water in the vibroflotation gravel pile flows out of an empty surface to a drainage channel at the bottom of the outer side of the retaining wall through the drainage perforated pipe.
3. The groundwater comprehensive utilization system in combination with the seismic liquefaction foundation treatment scheme of claim 2, wherein: horizontal pre-buried barricade wash port in the retaining wall, except that lower floor's barricade wash port, other barricade wash ports all wrap the geotechnological cloth that permeates water, and lower floor's barricade wash port is located drainage channel upper portion, and drainage channel and view river system, afforestation irrigation cistern, farmland irrigation cistern communicate.
4. A groundwater comprehensive utilization system in combination with a seismic liquefaction foundation treatment scheme as claimed in claim 3, wherein: and transversely driving a steel drainage perforated pipe through the vibroflotation gravel pile group through a preset drainage hole, wherein the drainage perforated pipe is communicated with the drainage hole of the retaining wall at the bottommost layer in the retaining wall.
5. The groundwater comprehensive utilization system in combination with the seismic liquefaction foundation treatment scheme of claim 1, wherein: the greening irrigation reservoir is buried, and an overflow pipeline is arranged to be connected with a river drainage area.
6. The groundwater comprehensive utilization system in combination with the seismic liquefaction foundation treatment scheme of claim 1, wherein: the farmland irrigation reservoir is buried, and an overflow pipeline is arranged to be connected with a river drainage area.
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| CN202120594732.3U CN214832819U (en) | 2021-03-24 | 2021-03-24 | Underground water comprehensive utilization system combined with earthquake liquefaction foundation treatment scheme |
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| CN202120594732.3U CN214832819U (en) | 2021-03-24 | 2021-03-24 | Underground water comprehensive utilization system combined with earthquake liquefaction foundation treatment scheme |
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2021
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