CN110775024A - Car washing system for narrow deep foundation pit field and construction method of car washing system - Google Patents
Car washing system for narrow deep foundation pit field and construction method of car washing system Download PDFInfo
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- CN110775024A CN110775024A CN201910994196.3A CN201910994196A CN110775024A CN 110775024 A CN110775024 A CN 110775024A CN 201910994196 A CN201910994196 A CN 201910994196A CN 110775024 A CN110775024 A CN 110775024A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S3/00—Vehicle cleaning apparatus not integral with vehicles
- B60S3/04—Vehicle cleaning apparatus not integral with vehicles for exteriors of land vehicles
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Abstract
A car washing system for a narrow site of a deep foundation pit comprises a water supply system, a high-pressure pump system, a car washing pool system, a three-stage sedimentation pool and a drainage ditch; a circle of annular support frame is arranged in the foundation pit; a concrete sealing plate is poured on the top of the annular support frame; the water supply system comprises a dewatering well, a submersible pump and a relay water tank; the high-pressure pump system comprises a water storage tank, a booster pump and a pressure pipeline; the car washing pool system comprises a car washing pool and a car washer; the car washing pool is divided into a driving-in slope section, a transition section and a driving-out slope section; the surfaces of the entering slope section and the exiting slope section are double slopes with the upper slope surface and the lower slope surface; the bottom plate of the car washing pool is a concrete sealing plate; the third-stage sedimentation tank is arranged on one side of the car washing tank and at a position corresponding to the retaining wall; a sand filtering port is arranged on the retaining wall positioned on one side of the car washing pool; and the muddy water in the car washing tank flows into the third-stage sedimentation tank through the sand filtering port for sedimentation. The invention solves the technical problems of large occupied area, low efficiency, small water pressure, poor cleaning effect and waste of water resources of the traditional car washing system.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a car washing system for a narrow site of a deep foundation pit and a construction method thereof.
Background
Along with the development of urbanization process, more and more super high-rise deep foundation pit projects appear in the busy district in city, and as the indispensable earth and stone side of building construction digs fortune process, earth and stone side is generally transported by the dregs car, and the place road pollution problem that accompanies is more and more outstanding. In order to meet the requirements of special design and evaluation of water and soil conservation of a construction site, the problems of residue soil pollution of the construction site and resource (such as water resource) conservation are important problems faced at present. The following problems are caused for projects of a narrow site of a super-high deep foundation pit in a core area of a city.
1. The construction land is in shortage in the busy section of the city; the car washing pool occupies a large area, generally has the length of 18-29m and the width of 3-5m, and has insufficient space for independently arranging a car washing system.
2. In order to meet the requirement of super high-rise bearing capacity, a foundation pit is deep, a better bearing layer is selected, the earth excavation amount is large, and the construction period progress is short; the requirement of government environment is high, and the tires of the muck vehicle entering and leaving the field can not carry muck to enter municipal roads, thereby polluting urban environment.
3. In order to ensure the construction safety, the foundation pit needs to be subjected to precipitation, and underground water resources are greatly wasted due to the discharge of underground water.
4. Municipal tap water pressure is not enough, and the carwash effect is not good, and reduce efficiency influences unearthing and seriously influences efficiency of construction.
Disclosure of Invention
The invention aims to provide a car washing system for a narrow site of a deep foundation pit and a construction method thereof, and aims to solve the technical problems of large occupied area, low efficiency, small water pressure, poor washing effect and waste of water resources of the traditional car washing system.
In order to achieve the purpose, the invention adopts the following technical scheme.
A car washing system for a narrow site of a deep foundation pit comprises a water supply system, a high-pressure pump system, a car washing pool system, a three-stage sedimentation pool and a drainage ditch which are sequentially connected; a circle of annular support frame is arranged in the foundation pit and along the edge of the foundation pit; the annular support frame comprises a vertical support and a horizontal support; at least two horizontal supports are arranged from top to bottom at intervals; each horizontal support is of a grid structure consisting of a cross beam and a longitudinal beam; the top of the annular support frame is flush with the top of the foundation pit; a concrete sealing plate is poured on the horizontal support at the top of the annular support frame, and the outer edge of the concrete sealing plate extends to the top of the foundation pit; the water supply system is arranged in the foundation pit and comprises a dewatering well, a submersible pump and a relay water tank; the submersible pump pumps water in the dewatering well into the relay water tank and then pumps the water in the relay water tank into the high-pressure pump system; the high-pressure pump system is arranged on the concrete sealing plate and comprises a water storage tank, a booster pump and a pressure pipeline; the booster pump pumps water in the water storage tank into the car washing pool system through a pressure pipeline; the car washing pool system comprises a car washing pool and a car washer; the car washing pool is arranged on the concrete sealing plate and is divided into a driving-in slope section, a transition section and a driving-out slope section; the surfaces of the driving-in slope section and the driving-out slope section are double slopes with the upper slope surface and the lower slope surface, and the driving-in slope section and the driving-out slope section are arranged at intervals along the long axial direction of the car washing pool; the car washing pool is formed by enclosing a lower slope surface of the driving-in slope section, an upper slope surface of the driving-out slope section and retaining walls respectively arranged at two sides of the driving-in slope section and the driving-out slope section; the bottom plate of the car washing pool is a concrete sealing plate; the two retaining walls are respectively arranged on the two adjacent first horizontal supports; the car washer is arranged on the outgoing slope section; the three-stage sedimentation tank is arranged on one side of the car washing tank and at a position corresponding to the retaining wall, and a bottom plate of the three-stage sedimentation tank is a concrete sealing plate; a sand filtering port is arranged on the position, close to the bottom, of the baffle wall on one side of the car washing pool; and the muddy water in the car washing tank flows into the third-stage sedimentation tank through the sand filtering port for sedimentation and is discharged into the drainage ditch.
Preferably, the relay water tank and the submersible pump are arranged on the second horizontal support and/or the horizontal support below the second horizontal support at a position close to the side wall of the foundation pit.
Preferably, the lower slope surface of the entering slope section is a step surface, and the upper slope surface of the exiting slope section is a step surface; the top parts of the entering slope section and the exiting slope section are respectively provided with a catch basin; the car washer is arranged above the intercepting ditch of the outgoing slope section.
Preferably, the top surface of the transition section is lower than the top surface of the first horizontal support; the top of the driving slope section is higher than the top surface of the first horizontal support; the top of the driving-out slope section is higher than the top surface of the first horizontal support.
Preferably, the third-stage sedimentation tank comprises a sedimentation tank unit, a filtering tank unit and a clean water tank unit; and the bottom plate of the third-level sedimentation tank is flush with the bottom surface of the first horizontal support below the car washing tank.
Preferably, the sand filtering port is arranged on the retaining wall at a position corresponding to the sedimentation tank unit.
The construction method of the car washing system comprises the following steps.
Step one, a booster pump and a water storage tank are installed in a construction drainage ditch.
And step two, constructing a first horizontal support and a concrete seal plate of the foundation pit support.
And step three, pouring the slope entering section, the slope exiting section and the concrete retaining wall.
And step four, constructing a partition wall in the third-stage sedimentation tank.
And step four, installing the car washer and debugging.
And fifthly, constructing a dewatering well and carrying out a water pumping test.
And sixthly, pumping water from the dewatering well and excavating the earthwork of the foundation pit.
And step seven, sequentially connecting the dewatering well, the water storage tank, the booster pump and the car washer, and debugging.
Pumping water to the dewatering well, and pumping underground water to the car washing pool and the third-stage sedimentation pool through the booster pump.
And step nine, driving the vehicle into the vehicle washing pool from the driving-in slope section, entering from the driving-in slope section, passing through the transition section, and entering the top of the driving-out slope section.
And step ten, backing the car to the top of the driving-in slope section, and entering the top of the driving-out slope section through the transition section.
And step eleven, repeating the process in the step 3, and carrying out primary cleaning on the vehicle.
And step twelve, after the primary cleaning, driving the vehicle into a car washer, and carrying out secondary cleaning on the vehicle.
Step thirteen, after the cleaning, the vehicle is driven out from the driving-out slope section, and the cleaning process of the whole vehicle is completed; .
And step fourteen, storing water in the car washing pool and the third-stage sedimentation pool by using a booster pump, and carrying out subsequent car washing work.
Fifthly, constructing a second horizontal support, installing a relay water tank and a submersible pump, pumping water in the dewatering well into the relay water tank by using the submersible pump, pumping the water into a water storage tank by using the submersible pump, and pumping the water into a car washing pool and a third-level sedimentation pool by using a booster pump; and repeating the process from the ninth step to the fifteenth step until the foundation pit is excavated.
Preferably, in the second step, in the concrete sealing plate construction process, the concrete sealing plates at the corresponding positions are respectively subjected to plate descending treatment according to the bottom surface elevations of the car washing pool and the third-level sedimentation pool;
and in the third step, when the entering slope section and the exiting slope section are poured, constructing the descending slope surface of the entering slope section into a step surface, and constructing the ascending slope surface of the exiting slope section into the step surface.
Preferably, when the sediment in the car washing pool and the sedimentation pool unit is settled to reach 300mm thickness, water is pumped into the drainage ditch by a mud pump, and the sediment is removed.
Compared with the prior art, the invention has the following characteristics and beneficial effects.
1. Compared with the traditional car washing tank system, the car washing system skillfully arranges the three-stage sedimentation tank and the car washing tank system on the inner support concrete sealing plate in the foundation pit, does not need to additionally occupy a construction field, solves the problem of shortage of the construction field in the urban core area, and saves land resources; and the concrete shrouding is as tertiary sedimentation tank and washing pool system's partly, fully with the help of the roof beam slab structure that supports concrete shrouding and horizontal brace in the foundation ditch, has improved washing pool's whole atress performance, practices thrift reinforcing bar, concrete raw materials, has reduced construction cost.
2. According to the middle transition section of the car washing pool, the elevation of the whole transition section is reduced by utilizing the form of the foundation pit lowering plate, the length of the whole car washing pool is effectively shortened on the premise of ensuring the normal running of a vehicle, and the problem of stress of a construction site is relieved; meanwhile, the lower slope surface of the driving-in slope section and the upper slope surface of the driving-out slope section are set to be step surfaces with certain slopes, so that the up-and-down bumping force in the driving process of the vehicle can be provided, soil in the groove of the tire can be enabled to fall off quickly, and meanwhile, the water intercepting ditch is arranged at the top of the slope, so that muddy water brought out when the vehicle bumps back and forth in the car washing pool is prevented from rushing out and driving into the step to pollute the field.
3. According to the invention, the sand filtering port is arranged on the retaining wall at one side of the car washing pool and close to the bottom, so that the design has the advantages that the silt in the car washing pool flows into the three-stage sedimentation tank, the position of the sand filtering port is improved, the silt sedimentation function of the car washing pool is additionally increased, the original primary sedimentation is changed into secondary sedimentation, and the silt sedimentation effect of the whole car washing system is improved.
4. According to the car washing system, the water source comes from the underground water pumped by the dewatering well in the foundation pit, so that on one hand, the underground water pumped by the dewatering well is prevented from being directly drained, and the waste of water resources is avoided; on the other hand, municipal tap water is avoided, so that the engineering construction cost is saved, and the water resource is saved; in addition, the existing fire pump system in the field is utilized, the water flushing pressure of the car washer is increased through the booster pump, the car washing efficiency is improved, and the construction period is shortened.
5. The car washing system organically combines the traditional car washing pool, the wheel washing machine, the foundation pit dewatering well, the foundation pit supporting sealing plate, the three-stage sedimentation tank and the fire pump room, and effectively solves the technical problems that the traditional car washing system occupies a large area, has low efficiency, small water pressure and poor cleaning effect and wastes water resources.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic plan view of a car washing system of the present invention.
Fig. 2 is a schematic view of the cross-sectional structure a-a in fig. 1.
Fig. 3 is a schematic view of the cross-sectional structure B-B in fig. 1.
Fig. 4 is a schematic view of the cross-sectional structure C-C of fig. 1.
Fig. 5 is a schematic view of the structure in which the water supply system is disposed in the foundation pit according to the present invention.
Fig. 6 is a schematic plan view of the car washing system of the present invention mounted on a concrete cover plate.
Reference numerals: 1-foundation pit, 2-dewatering well, 3-submersible pump, 4-relay water tank, 5-three-stage sedimentation tank, 5.1-sedimentation tank unit, 5.2-filter tank unit, 5.3-clean water tank unit, 5.4-partition wall, 6-drainage ditch, 7-water storage tank, 8-booster pump, 9-pressure pipeline, 10-carwash tank, 10.1-driving-in slope section, 10.2-transition section, 10.3-driving-out slope section, 10.4-retaining wall, 11-car washer, 12-horizontal support, 13-concrete sealing plate, 14-sand filtering port, 15-intercepting ditch, 16-high-pressure pump house, 17-vertical support and 18-ground connecting wall.
Detailed Description
As shown in fig. 1-6, the car washing system for the narrow site of the deep foundation pit comprises a water supply system, a high-pressure pump system, a car washing pool system, a three-stage sedimentation tank 5 and a drainage ditch 6 which are connected in sequence; a circle of annular support frame is arranged in the foundation pit 1 and along the edge of the foundation pit 1; the annular support frame comprises a vertical support 17 and a horizontal support 12; at least two horizontal supports 12 are arranged from top to bottom at intervals; each horizontal support 12 is of a grid structure consisting of cross beams and longitudinal beams; the top of the annular support frame is flush with the top of the foundation pit 1; a concrete sealing plate 13 is poured on the horizontal support 12 at the top of the annular support frame, and the outer edge of the concrete sealing plate 13 extends to the top of the foundation pit 1; the water supply system is arranged in the foundation pit 1 and comprises a dewatering well 2, a submersible pump 3 and a relay water tank 4; the submersible pump 3 pumps water in the dewatering well 2 into the relay water tank 4 and then pumps the relay water tank 4 into the high-pressure pump system; the high-pressure pump system is arranged on the concrete sealing plate 13 and comprises a water storage tank 7, a booster pump 8 and a pressure pipeline 9; the booster pump 8 pumps water in the water storage tank 7 to the car washing pool system through a pressure pipeline 9; the car washing pool system comprises a car washing pool 10 and a car washer 11; the car washing pool 10 is arranged on a concrete sealing plate 13, and the car washing pool 10 is divided into an entering slope section 10.1, a transition section 10.2 and an exiting slope section 10.3; the surfaces of the driving-in slope section 10.1 and the driving-out slope section 10.3 are both double slopes with the upper slope surface and the lower slope surface, and the driving-in slope section 10.1 and the driving-out slope section 10.3 are arranged at intervals along the long axial direction of the car washing pool 10; retaining walls 10.4 are respectively arranged on two sides of the entering slope section 10.1 and the exiting slope section 10.3; the lower slope surface of the driving-in slope section 10.1, the upper slope surface of the driving-out slope section 10.3 and the retaining walls 10.4 at the two sides jointly enclose to form a groove; the bottom plate of the car washing pool 10 is a concrete sealing plate 13; the two retaining walls 10.4 are respectively arranged on two adjacent first horizontal supports 12; the car washer 11 is arranged on the outgoing slope section 10.3; the three-stage sedimentation tank 5 is arranged at one side of the car washing tank 10 and at a position corresponding to the retaining wall 10.4, and a bottom plate of the three-stage sedimentation tank 5 is a concrete sealing plate 13; a sand filtering port 14 is arranged on a retaining wall 10.4 positioned on one side of the car washing pool 10 and close to the bottom; muddy water which is not ready to be precipitated in the carwash 10 flows into the third-stage sedimentation tank 5 through the sand filtering port 14 to be precipitated and is discharged into the drainage ditch 6.
In this embodiment, a circle of diaphragm wall 18 is arranged at the edge of the foundation pit 1 and close to the side wall of the foundation pit 1; the outer side edge of the concrete closing plate 13 is poured on the top of the underground diaphragm wall 18.
In this embodiment, the vertical supports 17 are arranged at intervals along the circumferential direction, and the vertical supports 17 are arranged at positions close to the edge of the foundation pit 1; a group of vertical supports 17 close to one side of the center of the foundation pit 1 are encircled into a circle; the inner edge of the concrete sealing plate 13 is supported on a set of vertical supports 17 near the center of the foundation pit 1.
In this embodiment, the relay water tank 4 and the submersible pump 3 are installed on the second horizontal support 12 and/or the horizontal support 12 below the second horizontal support at a position close to the side wall of the foundation pit 1, and the submersible pump 3 is also installed at the bottom of the dewatering well 2.
In this embodiment, the lower slope surface of the entering slope section 10.1 is a step surface, and the upper slope surface of the exiting slope section 10.3 is a step surface; the top parts of the entering slope section 10.1 and the exiting slope section 10.3 are respectively provided with a catch basin 15; the car washer 11 is mounted above the catch basin 15 of the run-out slope 10.3.
In the embodiment, the slope of the downhill surface of the driving-in slope section 10.1 can meet the requirement that a vehicle drives into the car washing pool 10, and the maximum value of the slope is 1: 6; the upper slope of the exit slope section 10.3 can meet the requirement that the vehicle exits the car washing pool 10, and the maximum value of the slope is 1: 6.
In this embodiment, the concrete closing plate 13 at the bottom of the transition section 10.2 is set to be a descending plate, and the top surface of the transition section 10.2 is lower than the top surface of the first horizontal support 12; the top of the driving-in slope section 10.1 is higher than the top surface of the first horizontal support 12; the top of the run-out slope 10.3 is higher than the top surface of the first horizontal support 12.
In this embodiment, the entering slope section 10.1 and the exiting slope section 10.3 are both formed by pouring concrete.
In this embodiment, the third-stage sedimentation tank 5 comprises a sedimentation tank unit 5.1, a filtration tank unit 5.2 and a clean water tank unit 5.3; the concrete closing plate 13 at the bottom of the third-level sedimentation tank 5 is arranged in a descending plate mode, and the bottom plate of the third-level sedimentation tank 5 is flush with the bottom surface of the first horizontal support 12 below the car washing tank 10.
In this embodiment, the concrete sealing plate 13 is a reinforced concrete slab; the horizontal supports 12 are reinforced concrete beams.
In this embodiment, the sand filtering port 14 is disposed on the retaining wall 10.4 at a position corresponding to the sedimentation tank unit 5.1.
In this embodiment, the bottom plate of the third-stage sedimentation tank 5 is flush with the bottom surface of the first horizontal support 12 below the car washing tank 10.
In this embodiment, the water storage tank 7 and the booster pump are provided in the high-pressure pump room 16.
The construction method of the car washing system comprises the following steps.
Step one, a booster pump 8 and a water storage tank 7 are installed in a construction drainage ditch 6.
And step two, constructing a first horizontal support 12 and a concrete closing plate 13 of the foundation pit support.
And step three, pouring the driving-in slope section 10.1, the driving-out slope section 10.3 and the concrete retaining wall 10.4.
And step four, constructing a partition wall 5.4 in the third-stage sedimentation tank 5.
And step four, installing the car washer 11 and debugging.
And fifthly, constructing the dewatering well 2 and carrying out a water pumping test.
And sixthly, pumping water from the dewatering well 2 and excavating the earthwork of the foundation pit 1.
And step seven, sequentially connecting the dewatering well 2, the water storage tank 7, the booster pump 8 and the car washer 11, and debugging.
And step eight, pumping water into the dewatering well 2, and pumping underground water into the car washing pool 10 and the third-stage sedimentation pool 5 through the booster pump 8.
And step nine, driving the vehicle into the vehicle washing pool 10 from the driving-in slope section 10.1, entering from the driving-in slope section 10.1, passing through the transition section 10.2, and entering the top of the driving-out slope section 10.3.
And step ten, backing to the top of the driving-in slope section 10.1, passing through the transition section 10.2, and entering the top of the driving-out slope section 10.3.
And step eleven, repeating the process in the step 3, and carrying out primary cleaning on the vehicle.
And a twelfth step of driving the vehicle into the car washer 11 after the primary washing, and performing secondary washing on the vehicle.
And step thirteen, after the cleaning is finished, the vehicle is driven out from the driving-out slope section 10.3, and the cleaning process of the whole vehicle is completed.
And step fourteen, storing water in the car washing pool 10 and the three-stage sedimentation pool 5 by using the booster pump 8, and carrying out subsequent car washing work.
Fifthly, constructing a second horizontal support 12, installing a relay water tank 4 and a submersible pump 3, pumping water in the dewatering well 2 into the relay water tank 4 by using the submersible pump 3, pumping the water into a water storage tank 7 by using the submersible pump 3, and pumping the water into a car washing pool 10 and a third-stage sedimentation pool 5 by using a booster pump 8; and repeating the process from the ninth step to the fifteenth step until the excavation of the foundation pit 1 is finished.
In the second embodiment, in the construction process of the concrete seal plates 13, the concrete seal plates 13 at the corresponding positions are respectively subjected to plate lowering treatment according to the bottom surface elevations of the car washing pool 10 and the third-stage sedimentation pool 5;
in the third step, when the entering slope section 10.1 and the exiting slope section 10.3 are poured, the descending slope surface of the entering slope section 10.1 is constructed into a step surface, and the ascending slope surface of the exiting slope section 10.3 is constructed into a step surface.
In this embodiment, after the sediment in the car wash 10 and the sedimentation tank unit 5.1 is settled to a thickness of 300mm, the mud pump is used to pump water into the drainage ditch 6, and the excavator is used to clean the sediment, and simultaneously, the excavator is used to assist in manual cleaning.
Claims (9)
1. A car washing system for a narrow site of a deep foundation pit comprises a water supply system, a high-pressure pump system, a car washing pool system, a three-stage sedimentation pool (5) and a drainage ditch (6) which are sequentially connected; a circle of annular support frame is arranged in the foundation pit (1) and along the edge of the foundation pit (1); the annular support frame comprises a vertical support (17) and a horizontal support (12); at least two horizontal supports (12) are arranged from top to bottom at intervals; each horizontal support (12) is of a grid structure consisting of cross beams and longitudinal beams; the top of the annular support frame is flush with the top of the foundation pit (1); a concrete sealing plate (13) is poured on the horizontal support (12) at the top of the annular support frame, and the outer edge of the concrete sealing plate (13) extends to the top of the foundation pit (1); the method is characterized in that: the water supply system is arranged in the foundation pit (1) and comprises a dewatering well (2), a submersible pump (3) and a relay water tank (4); the submersible pump (3) pumps water in the dewatering well (2) into the relay water tank (4) and pumps the relay water tank (4) into the high-pressure pump system; the high-pressure pump system is arranged on the concrete sealing plate (13) and comprises a water storage tank (7), a booster pump (8) and a pressure pipeline (9); the booster pump (8) pumps water in the water storage tank (7) into the car washing pool system through a pressure pipeline (9); the car washing pool system comprises a car washing pool (10) and a car washer (11); the car washing pool (10) is arranged on the concrete sealing plate (13), and the car washing pool (10) is divided into a driving-in slope section (10.1), a transition section (10.2) and a driving-out slope section (10.3); the surfaces of the entering slope section (10.1) and the exiting slope section (10.3) are double slopes with the upper slope surface and the lower slope surface, and the entering slope section (10.1) and the exiting slope section (10.3) are arranged at intervals along the long axial direction of the car washing pool (10); retaining walls (10.4) are respectively arranged on two sides of the entering slope section (10.1) and the exiting slope section (10.3); the lower slope surface of the entering slope section (10.1), the upper slope surface of the exiting slope section (10.3) and the retaining walls (10.4) on the two sides jointly form a groove; the bottom plate of the car washing pool (10) is a concrete sealing plate (13); the two retaining walls (10.4) are respectively arranged on two adjacent first horizontal supports (12); the car washer (11) is arranged on the run-out slope section (10.3); the three-stage sedimentation tank (5) is arranged on one side of the car washing tank (10) and at a position corresponding to the retaining wall (10.4), and a bottom plate of the three-stage sedimentation tank (5) is a concrete sealing plate (13); a sand filtering port (14) is arranged on a retaining wall (10.4) positioned on one side of the car washing pool (10) and close to the bottom; muddy water in the car washing tank (10) flows into the third-stage sedimentation tank (5) through the sand filtering port (14) for sedimentation and is discharged into the drainage ditch (6).
2. The vehicle washing system of claim 1, wherein: the relay water tank (4) and the submersible pump (3) are arranged on the second horizontal support (12) and/or the horizontal support (12) below the second horizontal support and are close to the side wall of the foundation pit (1).
3. The vehicle washing system of claim 1, wherein: the downhill surface of the driving-in slope section (10.1) is a step surface, and the uphill surface of the driving-out slope section (10.3) is a step surface; the top parts of the entering slope section (10.1) and the exiting slope section (10.3) are respectively provided with a catch basin (15); the car washer (11) is arranged above the intercepting drain (15) of the run-out slope section (10.3).
4. The vehicle washing system of claim 1, wherein: the top surface of the transition section (10.2) is lower than the top surface of the first horizontal support (12); the top of the driving-in slope section (10.1) is higher than the top surface of the first horizontal support (12); the top of the run-out slope section (10.3) is higher than the top surface of the first horizontal support (12).
5. The vehicle washing system of claim 1, wherein: the three-stage sedimentation tank (5) comprises a sedimentation tank unit (5.1), a filter tank unit (5.2) and a clean water tank unit (5.3); the bottom plate of the three-stage sedimentation tank (5) is flush with the bottom surface of the first horizontal support (12) below the car washing tank (10).
6. The vehicle washing system of claim 5, wherein: the sand filtering port (14) is arranged on the retaining wall (10.4) and corresponds to the position of the sedimentation tank unit (5.1).
7. A construction method of the car washing system according to any one of claims 1 to 6, characterized by comprising the steps of:
step one, constructing a drainage ditch (6), and installing a booster pump (8) and a water storage tank (7);
constructing a first horizontal support (12) and a concrete closing plate (13) of the foundation pit support;
step three, pouring a driving-in slope section (10.1), a driving-out slope section (10.3) and a concrete retaining wall (10.4);
fourthly, constructing a partition wall (5.4) in the third-stage sedimentation tank (5);
step four, installing a car washer (11) and debugging;
constructing a dewatering well (2) and carrying out a water pumping test;
pumping water from the dewatering well (2) and excavating the earthwork of the foundation pit (1);
seventhly, sequentially connecting a dewatering well (2), a water storage tank (7), a booster pump (8) and a car washer (11), and debugging;
pumping water from the dewatering well (2), and pumping underground water into a car washing pool (10) and a three-stage sedimentation pool (5) through a booster pump (8);
driving the vehicle into a vehicle washing pool (10) from the driving-in slope section (10.1), entering from the driving-in slope section (10.1), passing through the transition section (10.2) and entering the top of the driving-out slope section (10.3);
step ten, backing to the top of the driving-in slope section (10.1), and entering the top of the driving-out slope section (10.3) through the transition section (10.2);
step eleven, repeating the process in the step 3, and carrying out primary cleaning on the vehicle;
step twelve, after the primary cleaning, the vehicle is driven into a car washer (11) to carry out secondary cleaning on the vehicle;
step thirteen, after the cleaning, the vehicle is driven out from the driving-out slope section (10.3) to complete the cleaning process of the whole vehicle;
fourteenth, storing water in the car washing pool (10) and the three-stage sedimentation pool (5) by using a booster pump (8) to carry out subsequent car washing work;
fifthly, constructing a second horizontal support (12), installing a relay water tank (4) and a submersible pump (3), pumping water in the dewatering well (2) into the relay water tank (4) by using the submersible pump (3), pumping the water into a water storage tank (7) by using the submersible pump (3), and pumping the water into a car washing pool (10) and a third-level sedimentation pool (5) by using a booster pump (8); and repeating the process from the ninth step to the fifteenth step until the excavation of the foundation pit (1) is finished.
8. The construction method of a car wash system according to claim 7, characterized in that:
in the second step, in the construction process of the concrete sealing plates (13), the concrete sealing plates (13) at corresponding positions are respectively subjected to plate descending treatment according to the bottom surface elevations of the car washing pool (10) and the third-level sedimentation pool (5);
and in the third step, when the entering slope section (10.1) and the exiting slope section (10.3) are poured, constructing the descending surface of the entering slope section (10.1) into a step surface, and constructing the ascending surface of the exiting slope section (10.3) into the step surface.
9. The construction method of a car wash system according to claim 7, characterized in that: when the sediment in the car washing tank (10) and the sedimentation tank unit (5.1) is settled to reach 300mm thickness, a mud pump is used for pumping water into the drainage ditch (6) and removing the sediment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910994196.3A CN110775024A (en) | 2019-10-18 | 2019-10-18 | Car washing system for narrow deep foundation pit field and construction method of car washing system |
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| CN201910994196.3A CN110775024A (en) | 2019-10-18 | 2019-10-18 | Car washing system for narrow deep foundation pit field and construction method of car washing system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113842681A (en) * | 2021-09-02 | 2021-12-28 | 深圳宏业基岩土科技股份有限公司 | Sedimentation structure applied to inner support |
| CN113859184A (en) * | 2021-09-02 | 2021-12-31 | 深圳宏业基岩土科技股份有限公司 | Car washing structure on inner support |
| CN113859185A (en) * | 2021-09-02 | 2021-12-31 | 深圳宏业基岩土科技股份有限公司 | Construction site carwash structure of application on interior support |
| CN115110536A (en) * | 2022-08-01 | 2022-09-27 | 上海宝冶集团有限公司 | Vehicle washing system applied to edge of deep foundation pit and construction method thereof |
-
2019
- 2019-10-18 CN CN201910994196.3A patent/CN110775024A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113842681A (en) * | 2021-09-02 | 2021-12-28 | 深圳宏业基岩土科技股份有限公司 | Sedimentation structure applied to inner support |
| CN113859184A (en) * | 2021-09-02 | 2021-12-31 | 深圳宏业基岩土科技股份有限公司 | Car washing structure on inner support |
| CN113859185A (en) * | 2021-09-02 | 2021-12-31 | 深圳宏业基岩土科技股份有限公司 | Construction site carwash structure of application on interior support |
| CN115110536A (en) * | 2022-08-01 | 2022-09-27 | 上海宝冶集团有限公司 | Vehicle washing system applied to edge of deep foundation pit and construction method thereof |
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