CN205122067U - A advance drainage system for simulating groundwater environment in ground stratum - Google Patents
A advance drainage system for simulating groundwater environment in ground stratum Download PDFInfo
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- CN205122067U CN205122067U CN201520804765.0U CN201520804765U CN205122067U CN 205122067 U CN205122067 U CN 205122067U CN 201520804765 U CN201520804765 U CN 201520804765U CN 205122067 U CN205122067 U CN 205122067U
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Abstract
The utility model relates to an underground works field especially relates to an advance drainage system for simulating groundwater environment in ground stratum. Should advance drainage system includes water installations and drainage device, water installations includes that a plurality of at least parts bury the water injection pipe in the ground stratum underground, water installations passes through the water injection pipe is with the water -infusion the ground stratum, drainage device includes that a plurality of at least parts bury the drain pipe in the ground stratum underground, drainage device passes through the drain pipe will water in the ground stratum is taken out. Should advance water installations and the drainage device of drainage system through wherein and can be successively or take out to water injection in the ground stratum with the water in the ground ground simultaneously, and from this, can effectively simulate the still water environment in the environment of actual stratum at least and move the water environment. And then, should advance drainage system and be used for stratum simulation experimental, can widen experimental scope, the experimental reliability of very big reinforcing.
Description
Technical field
The utility model relates to underground engineering field, particularly relates to a kind of culvert system for simulating groundwater environment in ground stratum.
Background technology
At present along with the fast development of economy, the demand of city to underground works is increasing, such as with regard to Beijing, underground works definitely maintains the leading position in the basis instrument construction of city, and a large amount of Metro Constructions effectively can alleviate the problem that big city traffic above-ground is blocked up.But due to the growing tension of subterranean resource, increasing underground works will be built under buried condition, or build in special stratum, and this certainly will will run into many engineering problems, the problems such as the piestic water of poor, the buried engineering of such as stratum self-stable ability, occur in related data display Practical Project that the project great majority of accident are relevant with underground water, those skilled in the art generally acknowledge that problem of groundwater is sixty-four dollar question in underground works.Therefore will research and solve the engineering problem relevant with underground water, inevitably need to carry out simulated experiment, can say that the key of simulation test success or failure is validities of soil layer analog simulation, this is wherein very important a part of content to the simulation of underground water.
Research both at home and abroad in underground works simulated experiment is also increasing, as the Tokyo University, Kyoto University etc. of Japan; The Northwest University of the U.S., Stanford University; The Humboldt of Germany, University of Munich; Also there are relevant research project in Russia, Britain in addition.The domestic mechanism being engaged in related fields research mainly concentrates on hydraulic department, coal department, and in addition, Tsing-Hua University, China Mining University, Northeastern University, Zhongnan Polytechnic Univ etc. also carry out correlative study and establish laboratory and relevant device.As the plate slip casting experiment porch of Chinese Water Conservancy water power academy of sciences oneself research and development; The grouting test platform of China Mining University's design; The anti-oblate column testing table of grooved etc. of Northeastern University's development.
Current simulated experiment is often at hydrostatic condition Imitating, but often all relate to dynamic water problems in Practical Project, and the experimental facilities of whichever research institution, all cannot real simulation underground environment, more can not simulate formation water environment and infiltration environment, this greatly reduces the confidence level of correlative study, have compressed the scope of correlative study, therefore, be especially extremely necessary to do associated analog experiment for dynamic water seepage environment.
Utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model is to provide a kind of culvert system for simulating groundwater environment in ground stratum at least can simulating Lentic environment and circumstance of flowing water.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of culvert system for simulating groundwater environment in ground stratum, comprise water feed apparatus and drainage arrangement, water feed apparatus comprises multiple water injection pipe be embedded at least partly in ground stratum, water is injected ground stratum by water injection pipe by water feed apparatus, drainage arrangement comprises multiple drainpipe be embedded at least partly in ground stratum, and the water in ground stratum is extracted out by drainpipe by drainage arrangement.
According to the utility model, also comprise purification circulating device, purification circulating device is connected between the water inlet of water feed apparatus and the water delivering orifice of drainage arrangement, recycles to be sent into water feed apparatus after the water removal ground that ground stratum is extracted out by drainage arrangement.
According to the utility model, purification circulating device comprises settling basin, cistern, reservoir pumping pump, the water that the water delivering orifice that settling basin is communicated in drainage arrangement is extracted out from ground stratum to receive drainage arrangement, cistern top is communicated with settling basin and enters cistern for the water overflow after precipitating in settling basin, and reservoir pumping pump is communicated with between cistern and the water inlet of water feed apparatus so that the water in cistern is sent into water feed apparatus.
According to the utility model, the water side of water injection pipe is downward-sloping stretches out, and the water inlet end of drainpipe is downward-sloping to be stretched out.
According to the utility model, water injection pipe has the first horizontal pipeline section and the first circular arc pipeline section that connect successively, and the water side of water injection pipe is connected to the first circular arc pipeline section, and the central angle of the first circular arc pipeline section equals 25 ~ 35 °, and radius is 100 ~ 300mm; Drainpipe has the second horizontal pipeline section and the second circular arc pipeline section that connect successively, and the water inlet end of drainpipe is connected to the second circular arc pipeline section, and the central angle of the second circular arc pipeline section equals 25 ~ 35 °, and radius is 100 ~ 300mm.
According to the utility model, be enclosed with filter screen at the water inlet end of drainpipe.
According to the utility model, multiple water injection pipe is matrix arrangement, and equidistantly arranges with the water injection pipe in a line, and the water injection pipe in same row is equidistantly arranged; Multiple drainpipe is matrix arrangement, and equidistantly arranges with the drainpipe in a line, and the drainpipe in same row is equidistantly arranged.
According to the utility model, water feed apparatus also comprises multiple water inlet pipe, water inlet manifold and supercharge pump, multiple water inlet pipe is vertically arranged above and below and corresponds respectively to a line water injection pipe, the water injection pipe being positioned at same a line is all communicated with same water inlet pipe, multiple water delivering orifice of water inlet manifold is communicated with correspondingly with multiple water inlet pipe, the water inlet of water inlet manifold is communicated with the water delivering orifice of supercharge pump, and the water inlet of supercharge pump forms the water inlet of water feed apparatus; Drainage arrangement also comprises multiple exit branch, outfall sewer and draining suction pump, multiple exit branch is vertically arranged above and below and corresponds respectively to a line water injection pipe, the drainpipe being positioned at same a line is all communicated with same exit branch, multiple water inlet of outfall sewer is communicated with correspondingly with multiple exit branch, the water inlet of outfall sewer is communicated with the water delivering orifice of draining suction pump, and the water delivering orifice of draining suction pump forms the water delivering orifice of drainage arrangement.
According to the utility model, water inlet manifold is provided with the first tensimeter, first-class gauge and the first valve, outfall sewer is provided with the second tensimeter, second gauge and the second valve.
According to the utility model, drainpipe and exit branch are embedded in ground stratum, and water injection pipe and water inlet pipe are embedded in ground stratum.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages:
Culvert system for simulating groundwater environment in ground stratum of the present utility model can successively or simultaneously be extracted out to water filling in ground stratum with by the water in ground ground by water feed apparatus wherein and drainage arrangement, thus, the Lentic environment in actual formation environment and circumstance of flowing water can at least effectively be simulated.And then this culvert system is used for stratum simulation test, can widen the scope of test, the reliability of very big strengthen test.
Accompanying drawing explanation
Fig. 1 is that an axle of an embodiment of the culvert system for simulating groundwater environment in ground stratum of the present utility model measures intention, wherein also show the ground stratum adopting this culvert system;
Fig. 2 is that another axle of culvert system in Fig. 1 measures intention;
Fig. 3 is the schematic top plan view of the culvert system in Fig. 1;
Fig. 4 is the schematic front view of the culvert system in Fig. 1;
Fig. 5 is that schematic diagram is looked on a left side for culvert system in Fig. 1;
Fig. 6 is that schematic diagram is looked on the right side of culvert system in Fig. 1;
Fig. 7 is the schematic diagram of the culvert system in Fig. 1;
Fig. 8 is the partial schematic diagram of water inlet/drainage arrangement in the culvert system in Fig. 1, wherein, water injection pipe in water feed apparatus is identical respectively with the structure of exit branch with the drainpipe in drainage arrangement with water inlet pipe, therefore, this figure also show water injection pipe and water inlet pipe and drainpipe and exit branch;
Fig. 9 is the explosive view of water inlet/drainage arrangement in Fig. 8;
Figure 10 is the schematic perspective view of the drainpipe in the culvert system in Fig. 1;
Figure 11 is the partial enlarged drawing at the A place of drainpipe in Figure 10;
Figure 12 is the schematic front view of the drainpipe in Figure 10;
Figure 13 is the schematic top plan view of the drainpipe in Figure 10.
In figure:
1: water feed apparatus; 11: water injection pipe; 12: water inlet pipe; 13: water inlet manifold; 14: supercharge pump; 15: the first tensimeters; 16: first-class gauge; 17: the first valves; 2: drainage arrangement; 21: drainpipe; 221: the second horizontal pipeline sections; 222: the second circular arc pipeline sections; 22: exit branch; 23: outfall sewer; 24: draining suction pump; 25: the second tensimeters; 26: second gauge; 27: the second valves; 3: ground stratum; 4: purification circulating device; 41: settling basin; 42: cistern; 43: reservoir pumping pump; 5: the three valves.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Referring to figs. 1 through Fig. 7, an embodiment of the culvert system for simulating groundwater environment in ground stratum of the present utility model, it comprises water feed apparatus 1 and drainage arrangement 2.Wherein, water feed apparatus 1 comprises multiple water injection pipe 11, and water injection pipe 11 is embedded in ground stratum at least partly, and water (can be water at atmospheric pressure or band setting-out) is injected ground stratum 3 by water injection pipe 11 by water feed apparatus 1.Can understand, at least the water delivering orifice of water injection pipe 11 is arranged in ground stratum.Drainage arrangement 2 comprises multiple drainpipe 21, and drainpipe 21 is embedded in ground stratum at least partly, and the water in ground stratum is extracted out by drainpipe 21 by drainage arrangement 2.Can understand, at least the water inlet of drainpipe 21 is embedded in ground stratum.Wherein, because the utility model is the culvert system for simulating groundwater environment in ground stratum, therefore, the ground stratum 3 that water injection pipe 11 and drainpipe 21 are buried underground is the simulated formations in test.In figure, unidirectional arrow shows the water (flow) direction in ground stratum.The side that water feed apparatus is arranged is water filling side, and the side that drainage arrangement is arranged is drain-side.
Thus, the above-mentioned culvert system for simulating groundwater environment in ground stratum can successively or simultaneously be extracted out to water filling in ground stratum with by the water in ground ground by water feed apparatus 1 wherein and drainage arrangement 2, therefore, can Lentic environment at least effectively in simulation actual formation environment and circumstance of flowing water.And then this culvert system is used for stratum simulation test, can widen the scope of test, the reliability of very big strengthen test.
With further reference to Fig. 1 to Fig. 7, in the present embodiment, multiple water injection pipe 11 is in matrix arrangement, namely multiple water injection pipe 11 is that multirow and multiple row are arranged, and equidistantly arrange with the water injection pipe 11 in a line, water injection pipe 11 in same row is equidistantly arranged, thereby, it is possible to equably to ground stratum 3 water filling.In the present embodiment, horizontal water injection pipe 11 is a line water injection pipe 11, and the water injection pipe 11 of vertical direction arrangement is a row water injection pipe 11.
Further, water feed apparatus 1 also comprises multiple water inlet pipe 12, water inlet manifold 13 and supercharge pump 14.Wherein, multiple water inlet pipe 12 is vertically arranged above and below and corresponds respectively to a line water injection pipe 11, and the water injection pipe 11 being positioned at same a line is all communicated with same water inlet pipe 12.Multiple water delivering orifice of water inlet manifold 13 is communicated with correspondingly with multiple water inlet pipe 12, and the water inlet of water inlet manifold 13 is communicated with the water delivering orifice of supercharge pump 14, and the water inlet of supercharge pump 14 forms the water inlet of water feed apparatus 1.The water inlet of water feed apparatus 1 can with the cross current of feed tap water.Thus, water, by entering water inlet manifold 13 after supercharge pump 14 supercharging, is distributed to each water inlet pipe 12 by water inlet manifold 13, then enters each water injection pipe 11 by each water inlet pipe 12, is injected in ground stratum after such two-stage dispersion through water injection pipe 11.
Vertically be arranged above and below due to multiple water inlet pipe 12 and correspond respectively to a line water injection pipe 11, so multiple water inlet pipe 12 is equidistantly arranged.Preferably, water inlet manifold 13 is removably connected with between water inlet pipe 12 and supercharge pump 14.Further again, water inlet manifold 13 is provided with the first tensimeter 15 for measuring wherein hydraulic pressure, for measuring the first-class gauge 16 of wherein current and the first valve 17 for the uninterrupted that controls wherein current.The water pipe of feed tap water is provided with the 3rd valve 5 of the uninterrupted for controlling wherein current.
Further, in the present embodiment, water injection pipe 11 and water inlet pipe 12 are all embedded in ground stratum, and namely water injection pipe 11 and water inlet pipe 12 entirety are embedded in ground stratum, and a part for water inlet manifold 13 is embedded in ground stratum and supplies water to be communicated with water inlet pipe 12.Certainly, the utility model is not limited to this, in other alternative-embodiments, water injection pipe 11 can part to be embedded in ground stratum and water inlet pipe 12 to be all positioned at ground stratum outside, as long as the water delivering orifice of water injection pipe 11 is arranged in ground stratum so that water is injected ground stratum.
With further reference to Fig. 1 to Fig. 7, in the present embodiment, multiple drainpipe 21 is in matrix arrangement, namely multiple drainpipe 21 is that multirow and multiple row are arranged, and equidistantly arrange with the drainpipe 21 in a line, drainpipe 21 in same row is equidistantly arranged, thereby, it is possible to draw water from ground stratum 3 equably.In the present embodiment, horizontal drainpipe 21 is a line drainpipe 21, and the drainpipe 21 of vertical direction arrangement is a row drainpipe 21.
Further, drainage arrangement 2 also comprises multiple exit branch 22, outfall sewer 23 and draining suction pump 24.Wherein, multiple exit branch 22 is vertically arranged above and below and corresponds respectively to a line water injection pipe 11, the drainpipe 21 being positioned at same a line is all communicated with same exit branch 22, multiple water inlet of outfall sewer 23 is communicated with correspondingly with multiple exit branch 22, the water inlet of outfall sewer 23 is communicated with the water delivering orifice of draining suction pump 24, and the water delivering orifice of draining suction pump 24 forms the water delivering orifice of drainage arrangement 2.Thus, the water in ground stratum is converged by multiple drainpipe 21 and enters multiple exit branch 22, then enters outfall sewer 23 by multiple exit branch 22 convergence, and such two-stage is discharged through draining suction pump 24 after converging.
Vertically be arranged above and below due to multiple exit branch 22 and correspond respectively to a line drainpipe 21, so multiple exit branch 22 is equidistantly arranged.Preferably, outfall sewer 23 is removably connected with between exit branch 22 and draining suction pump 24.
Further again, outfall sewer 23 is provided with the second tensimeter 25 for measuring wherein hydraulic pressure, for measuring the second gauge 26 of wherein current and the second valve 27 for the uninterrupted that controls wherein current.
Further, in the present embodiment, drainpipe 21 and exit branch 22 are embedded in ground stratum.Namely drainpipe 21 and exit branch 22 entirety are embedded in ground stratum, and a part for outfall sewer 23 is embedded in ground stratum to be communicated with and then to receive the water that exit branch 22 flows out with exit branch 22.Certainly, the utility model is not limited to this, in other alternative-embodiments, drainpipe 21 can part to be embedded in ground stratum and exit branch 22 to be all positioned at ground stratum outside, as long as the water inlet of drainpipe 21 is arranged in ground stratum so that water is injected ground stratum.
In the present embodiment, with reference to Fig. 8 and Fig. 9, drainpipe 21 is identical with the structure of water inlet pipe 12 with water injection pipe 11 with exit branch 22.The partitioning scheme in the dotted line frame shown in Fig. 9 pressed by drainpipe 21/ water injection pipe 11, water inlet pipe 12/ exit branch 22 and water inlet manifold 13/ outfall sewer 23, is divided into layer, and in the set-up procedure of simulation soil layer, layering is arranged in soil layer.
Further, referring to figs. 1 through Fig. 7, the culvert system of the present embodiment also comprises purification circulating device 4, purification circulating device 4 is connected between the water inlet of water feed apparatus 1 and the water delivering orifice of drainage arrangement 2, recycles to be sent into water feed apparatus 1 after the water removal ground that ground stratum 3 is extracted out by drainage arrangement 2.Specifically, in the present embodiment, purification circulating device 4 is communicated with between the water delivering orifice and the water inlet of supercharge pump 14 of draining suction pump 24.Like this, recycling of water is achieved, using water wisely.
Further, in the present embodiment, purification circulating device 4 comprises settling basin 41, cistern 42, reservoir pumping pump 43, the water that the water delivering orifice (such as passing through cross current) that settling basin 41 is communicated in draining suction pump 24 is extracted out from ground stratum to receive drainage arrangement 2, cistern 42 top is communicated with settling basin 41 and enters cistern 42 for the water overflow after precipitating in settling basin 41, reservoir pumping pump 43 is communicated with between cistern 42 and the water inlet of supercharge pump 14 so that the water in cistern 42 is sent into water feed apparatus 1, water inlet and the cistern 42 of such as reservoir pumping pump 43 pass through cross current, water in cistern 42 is extracted out, the water delivering orifice of reservoir pumping pump 43 is communicated with by the water inlet of water pipe with supercharge pump 14.
Specifically, see Fig. 7, in water filling side, after tap water access supercharge pump 14, by injecting ground stratum after water inlet manifold 13, water inlet pipe 12 and water injection pipe 11; At water outlet side, the underground water in ground stratum is retracted in settling basin 41 by draining suction pump 24 by drainpipe 21, exit branch 22 and outfall sewer 23; Outside ground stratum 3, the water of discharge entered settling basin 41 and precipitates rear overflow and enter in cistern 42, the water in cistern 42 by after reservoir pumping pump 43 and supercharge pump 14 supercharging again circulation be injected in ground stratum, thus form recirculated water environment.
In addition, with reference to Figure 10 to Figure 13, the water inlet end of drainpipe 21 is downward-sloping to be stretched out.Specifically, in the present embodiment, drainpipe 21 has the second horizontal pipeline section 221 and the second circular arc pipeline section 222 connected successively, and the water inlet end of drainpipe 21 is connected to the second circular arc pipeline section 222, the central angle θ of the second circular arc pipeline section 222 equals 25 ~ 35 °, is preferably 30 °.The radius R of the second circular arc pipeline section 222 is 100 ~ 300mm, is preferably 200mm.Be set to the downward-sloping structure of stretching out of water inlet end, can prevent ground particle from entering the whole device of blocking in pipe.The length of drainpipe 21 is determined on demand.
In addition, filter screen is enclosed with at the water inlet end of drainpipe 21.Installing filter screen can prevent ground particle from entering the whole device of blocking in pipe.
In the present embodiment, can refer to the drainpipe 21 shown in Figure 12 and Figure 13, the water side of water injection pipe 11 is downward-sloping equally stretches out.Specifically, in the present embodiment, water injection pipe 11 has the first horizontal pipeline section and the first circular arc pipeline section that connect successively, and the water side of water injection pipe 11 is connected to the first circular arc pipeline section, and the central angle of the first circular arc pipeline section equals 25 ~ 35 °, is preferably 30 °.The radius of the first circular arc pipeline section is 100 ~ 300mm, is preferably 200mm.Be set to the downward-sloping structure of stretching out of endpiece, can prevent ground particle from entering the whole device of blocking in pipe.The length of water injection pipe 11 is determined on demand.Selectively, also filter screen can be wrapped up on water injection pipe 11.
Preferably, water injection pipe 11, water inlet pipe 12, water inlet manifold 13, drainpipe 21, exit branch 22 and outfall sewer 23 all adopt pressure-resistant material to make.
Below respectively to simulate hydrostatic and circumstance of flowing water, introduce the embodiment of the culvert system of the present embodiment.
Lentic environment: test ready after, open the first valve 17 and the 3rd valve 5, tap water enters in water inlet manifold 13 by supercharge pump 14, by being injected in ground soil layer after water inlet pipe 12 and water injection pipe 11 points of water, period records the data of first-class gauge 16 continuously, when water injection rate reaches design value, close the first valve 17 and the 3rd valve 5; If there is the situation of difficult water injection, then can open the second valve 27, and opening water discharge suction pump 24, make to form negative pressure in water outlet side soil layer, to reach the object accelerating waterflood injection rate.
Circumstance of flowing water: test ready after, open the first valve 17 and the 3rd valve 5, tap water accesses in water inlet manifold 13 by supercharge pump 14, is injected in ground stratum by water inlet pipe 12 and rising pipe after dividing water, and period needs the numerical value of continuous recording manometer; In drain-side, open the second valve 27, and opening water discharge suction pump 24, make to form negative pressure in water outlet side soil layer, after having water to flow out from drain-side, need the numerical value of record the second tensimeter 25 continuously; Waste water after precipitation in settling basin 41 flows in cistern 42, when reaching a certain amount of, can open reservoir pumping pump 43, is extracted out by water, and re-injects in ground stratum after supercharge pump 14 supercharging; After the numerical value of the first tensimeter 15, second tensimeter 25 of record is converted into head height, the ratio of distances constant that its head difference and water flow through in soil layer, i.e. i=△ h/L (L is the horizontal range between the water delivering orifice of water injection pipe 11 and the water inlet of freeing port 21), after reaching the hydraulic gradient of design, under this kind of pressure condition can be kept, continue the draining of circulation note, form the circumstance of flowing water of simulation.
The culvert system of the present embodiment, the groundwater environment existed when can solve simulating reality ground environment in large-scale During Geotechnical Tests is difficult to the problem simulated, effectively can simulate the problem of groundwater in actual formation environment, comprise the complicated underground water such as dynamic water, hydrostatic, the scope of test can be widened, the groundwater environment such as formed can carry out groundwater dynamics research, underground water and structure and Rock And Soil coupling is studied, and the aspect such as the research of ejection for water plugging reinforcement experiment, freezing process experimental study, and the reliability of very big strengthen test; The circulation of its unique design, greatly can reduce the waste for water in process of the test, protection of the environment.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. one kind for simulating the culvert system of groundwater environment in ground stratum, it is characterized in that: comprise water feed apparatus (1) and drainage arrangement (2), described water feed apparatus (1) comprises multiple water injection pipe (11) be embedded at least partly in ground stratum (3), water is injected described ground stratum (3) by described water injection pipe (11) by described water feed apparatus (1), described drainage arrangement (2) comprises multiple drainpipe (21) be embedded at least partly in ground stratum (3), water in described ground stratum (3) is extracted out by described drainpipe (21) by described drainage arrangement (2).
2. the culvert system for simulating groundwater environment in ground stratum according to claim 1, it is characterized in that: also comprise purification circulating device (4), described purification circulating device (4) is connected between the water inlet of described water feed apparatus (1) and the water delivering orifice of described drainage arrangement (2), recycles to be sent into described water feed apparatus (1) after the water removal ground that described ground stratum (3) is extracted out by described drainage arrangement (2).
3. the culvert system for simulating groundwater environment in ground stratum according to claim 2, it is characterized in that: described purification circulating device (4) comprises settling basin (41), cistern (42), reservoir pumping pump (43), the water that the water delivering orifice that described settling basin (41) is communicated in described drainage arrangement (2) is extracted out from described ground stratum (3) to receive described drainage arrangement (2), described cistern (42) top is communicated with described settling basin (41) and enters described cistern (42) for the water overflow after precipitating in the described settling basin (41), described reservoir pumping pump (43) is communicated with between described cistern (42) and the water inlet of described water feed apparatus (1) so that the water in described cistern (42) is sent into described water feed apparatus (1).
4. the culvert system for simulating groundwater environment in ground stratum according to claim 1, it is characterized in that: the water side of described water injection pipe (11) is downward-sloping stretches out, the water inlet end of described drainpipe (21) is downward-sloping to be stretched out.
5. the culvert system for simulating groundwater environment in ground stratum according to claim 4, it is characterized in that: described water injection pipe (11) has the first horizontal pipeline section and the first circular arc pipeline section that connect successively, the water side of described water injection pipe (11) is connected to described first circular arc pipeline section, the central angle of described first circular arc pipeline section equals 25 ~ 35 °, and radius is 100 ~ 300mm; Described drainpipe (21) has the second horizontal pipeline section (221) and the second circular arc pipeline section (222) that connect successively, the water inlet end of described drainpipe (21) is connected to described second circular arc pipeline section (222), the central angle of described second circular arc pipeline section (222) equals 25 ~ 35 °, and radius is 100 ~ 300mm.
6. the culvert system for simulating groundwater environment in ground stratum according to any one of claim 1-5, is characterized in that: be enclosed with filter screen at the water inlet end of described drainpipe (21).
7. the culvert system for simulating groundwater environment in ground stratum according to any one of claim 1-5, it is characterized in that: multiple described water injection pipe (11) is in matrix arrangement, and equidistantly arrange with the water injection pipe (11) in a line, the water injection pipe (11) in same row is equidistantly arranged; Multiple described drainpipe (21) in matrix arrangement, and is equidistantly arranged with the drainpipe (21) in a line, and the drainpipe (21) in same row is equidistantly arranged.
8. the culvert system for simulating groundwater environment in ground stratum according to claim 7, it is characterized in that: described water feed apparatus (1) also comprises multiple water inlet pipe (12), water inlet manifold (13) and supercharge pump (14), described multiple water inlet pipe (12) is vertically arranged above and below and corresponds respectively to a line water injection pipe (11), the described water injection pipe (11) being positioned at same a line is all communicated with same described water inlet pipe (12), multiple water delivering orifice of water inlet manifold (13) is communicated with correspondingly with described multiple water inlet pipe (12), the water inlet of described water inlet manifold (13) is communicated with the water delivering orifice of described supercharge pump (14), the water inlet of described supercharge pump (14) forms the water inlet of described water feed apparatus (1), described drainage arrangement (2) also comprises multiple exit branch (22), outfall sewer (23) and draining suction pump (24), described multiple exit branch (22) is vertically arranged above and below and corresponds respectively to a line water injection pipe (11), the described drainpipe (21) being positioned at same a line is all communicated with same described exit branch (22), multiple water inlet of outfall sewer (23) is communicated with correspondingly with described multiple exit branch (22), the water inlet of described outfall sewer (23) is communicated with the water delivering orifice of described draining suction pump (24), the water delivering orifice of described draining suction pump (24) forms the water delivering orifice of described drainage arrangement (2).
9. the culvert system for simulating groundwater environment in ground stratum according to claim 8, it is characterized in that: described water inlet manifold (13) is provided with the first tensimeter (15), first-class gauge (16) and the first valve (17), described outfall sewer (23) is provided with the second tensimeter (25), second gauge (26) and the second valve (27).
10. the culvert system for simulating groundwater environment in ground stratum according to claim 8, it is characterized in that: described drainpipe (21) and described exit branch (22) are embedded in described ground stratum (3), and described water injection pipe (11) and described water inlet pipe (12) are embedded in described ground stratum (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520804765.0U CN205122067U (en) | 2015-10-16 | 2015-10-16 | A advance drainage system for simulating groundwater environment in ground stratum |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520804765.0U CN205122067U (en) | 2015-10-16 | 2015-10-16 | A advance drainage system for simulating groundwater environment in ground stratum |
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| CN205122067U true CN205122067U (en) | 2016-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225593A (en) * | 2015-10-16 | 2016-01-06 | 北京建筑大学 | For simulating the culvert system of groundwater environment in ground stratum |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225593A (en) * | 2015-10-16 | 2016-01-06 | 北京建筑大学 | For simulating the culvert system of groundwater environment in ground stratum |
| CN105225593B (en) * | 2015-10-16 | 2018-04-20 | 北京建筑大学 | For simulating the culvert system of groundwater environment in ground stratum |
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