CN109024147B - Comprehensive recycling system for sandbar water source and construction method thereof - Google Patents
Comprehensive recycling system for sandbar water source and construction method thereof Download PDFInfo
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- CN109024147B CN109024147B CN201810871690.6A CN201810871690A CN109024147B CN 109024147 B CN109024147 B CN 109024147B CN 201810871690 A CN201810871690 A CN 201810871690A CN 109024147 B CN109024147 B CN 109024147B
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
Abstract
The invention discloses a comprehensive recycling system for a sandbar water source, which comprises a water resource collecting system and a spraying construction shed system; the water resource collecting system comprises a side ditch, a dewatering well, a diversion ditch and a water collecting and purifying tank; the side ditch enables the collected water on the road surface to flow into a water collecting and purifying tank; water in the construction of the ditch in the road construction flows into the precipitation well, the precipitation well pumps the water into the diversion ditch, and the diversion ditch guides the water into the water collecting and purifying pond; the spraying construction shed system comprises a sunshade and a spraying system; the sunshade is positioned on the road surface and can slide along the slide rail on the road along the road construction direction; a pump of the spraying system conveys water in the water collecting and purifying tank to a spray head of the spraying system; a plurality of spray heads of the spray system are uniformly arranged on the sunshade and spray in the sand foundation construction; the spray water flows into the side ditch for recycling. The invention can reasonably utilize water resources, realize energy conservation and environmental protection, treat the raised dust, avoid the influence of sunshine and rain on the construction period and improve the construction efficiency.
Description
Technical Field
The invention belongs to the technical field of municipal sand-based construction, and particularly relates to a comprehensive recycling system for a sandbar water source and a construction method thereof.
Background
With the attention of urban environmental protection and the development of tourism development and construction, more and more municipal engineering construction is carried out near the coastal areas, the coastal areas and the beach areas. The municipal works have the construction problems that underground water is abundant, ground plants are thin and small in the environment of fine (powder) sand, large-area sand fixation and shading cannot be achieved, the ground is exposed and difficult to recover quickly, the wind in the face of water is large, the dust is easy to raise, the water resource is unreasonably utilized, the secondary pollution and the waste are generated, and the like. The water level of the underground water of the sandbars is high, the water source is sufficient, the sandy soil is rich in material, if the foundation layer is filled with the external soil, not only can the geological pollution be caused, but also the external soil can be damaged due to long-term soaking, and the foundation layer is not firm. Researches show that the sand is adopted to fill the foundation layer, and the grinding times can be effectively reduced and the stable dust-settling effect can be achieved by matching with irrigation construction. Municipal road construction is carried out on near-water sandy soil, water is needed for soft foundation treatment, drainage is needed for pipeline engineering, and how to reasonably utilize water resources is a problem which needs to be considered in construction. Moreover, municipal construction is greatly influenced by weather, for example, construction cannot be carried out in hot weather, rainy weather and cold weather, and the construction period is not guaranteed.
Disclosure of Invention
The invention aims to provide a comprehensive recycling system for a sandbar water source and a construction method thereof, the system and the construction method can reasonably utilize water resources, realize energy conservation and environmental protection, can treat raised dust, can avoid the influence of sun exposure and rain on the construction period, and improve the construction efficiency.
The technical scheme adopted by the invention is as follows:
a comprehensive recycling system for a sandbar water source comprises a water source collecting system and a spraying construction shed system;
the water resource collecting system comprises a side ditch, a dewatering well, a diversion ditch and a water collecting and purifying tank; guiding the collected water on the pavement into a water collecting and purifying tank by using the side ditch; water in the construction of the ditch in the road construction flows into the precipitation well, the precipitation well pumps the water into the diversion ditch, and the diversion ditch guides the water into the water collecting and purifying pond;
the spraying construction shed system comprises a sunshade and a spraying system; the sunshade is positioned on the road surface, shades the sun and rain for the construction road, and can slide along the slide rail on the road along the road construction direction; the pump of the spraying system conveys the water in the water collecting and purifying tank to a spraying head of the spraying system; a plurality of spray heads of the spray system are uniformly arranged on the sunshade and spray in the sand foundation construction;
the spray water flows into the side ditch for recycling.
According to the scheme, the sunshade comprises a stand column pipe, an upper beam pipe, a top frame and a span beam pipe; the upright post pipes are provided with a plurality of pairs, each pair of upright post pipes is connected through an upper crossbeam pipe, and adjacent upper crossbeam pipes are connected through a span beam pipe; the top frame is a shed top framework and is arc-shaped, the top frame is connected with the upper crossbeam pipe through the supporting vertical pipe, and the top frame is provided with sun-shading cloth or rain-shading cloth which plays a role in shading sun and rain;
the spray header is arranged on the beam spanning pipe;
the pump of the spraying system pumps water in the water collecting and purifying tank into the upright post pipe, the water in the upright post pipe flows into the span beam pipe through the upper beam pipe, and the water in the span beam pipe sprays the road surface through the spraying head. The use of sunshade can reduce the construction and receive the weather influence, and the guarantee can continue the construction in weather such as hot, overcast and rainy, cold, solves the trouble that municipal works construction received the weather influence.
According to the scheme, the valve is arranged at the end of each beam spanning pipe to control the spray header to work, the valve is controlled by the controller, and the corresponding valve can be opened as required, so that water sources are saved.
According to the scheme, a fixed inclined strut is arranged between the upright column pipe and the upper crossbeam pipe, the fixed inclined strut is connected with the upper crossbeam pipe through a U-shaped backspin screw, and the fixed inclined strut is connected with the upright column pipe through a butt bolt.
According to the scheme, the rollers are arranged below the upright post pipe and slide on the sliding rails, and the sliding rails are fixed on the road through the spikes.
According to the scheme, the water collecting and purifying tank comprises a plate framework located around a water collecting pit, the plate framework is welded with L50 steel angles, and vertical supporting strips are arranged in the middle of the plate framework every 20-30 cm; the plate framework is provided with a net film-sandwiched water filtering plate which is directly communicated with the bottom of the pool and plays a role in resisting the pressure of side soil; the middle part of the water collecting and purifying tank is also provided with a net sandwiched membrane water filtering plate, and the water collecting and purifying tank is divided into a first water collecting tank, a second water collecting tank and a second water collecting tank;
the net clamping film water filtering plate comprises 2 steel mould nets, geotextiles and purlins, wherein the steel mould nets are arranged between the two steel mould nets, and the steel mould nets and the geotextiles are fixed through the purlins and the self-tapping screws. The plate frame and the purline are made of uniform materials and can be made of aluminum alloy, stainless steel and other steel materials.
According to the scheme, an upright post with 2 clamping grooves is adopted at 4 corners of the plate framework, and the net film-sandwiched water filtering plate is fixed on the clamping grooves of the upright post through the opposite lacing wires and the bolts;
the adjacent water collecting tanks are provided with upright columns with 3 clamping grooves, and the net film clamping water filtering plates are fixed on the clamping grooves of the upright columns through lacing wires and bolts.
According to the scheme, in the second water collecting tank, the position which is 50cm away from the bottom of the second water collecting tank and 20-30 cm close to the side wall is provided with the opposite lacing wire, and the opposite lacing wire is provided with the water filtering plate so as to purify the side ditch and the underground water.
According to the scheme, the side ditch is a drainage ditch groove which is excavated at the side of the roadbed after the surface is cleared; the device is arranged at the position 50cm away from the side slope line of the roadbed, the width of the device is not less than 30cm, and the depth of the device is not less than 30 cm; preferably 60cm wide and 50cm deep;
the dewatering well is positioned beside a groove in road construction, and water is pumped to the diversion trench through a pump;
the diversion trench is a diversion trench which is built outside a red line by the drainage of the pipeline trench, the bottom of the diversion trench is 30cm wide, the upper part of the diversion trench is 50cm wide and the depth of the diversion trench is 40cm, and the diversion trench guides the rainfall to the water collecting and purifying tank which is arranged at a position which is not less than 2m away from the upper slope line of the rainfall pipe and the surface cleaning foundation trench; a plastic film or plastic cloth is arranged on the flow guide groove, and one edge of the plastic film or the plastic cloth is attached to the wall of the water collecting and purifying tank;
the water collecting and purifying tank is 5m long, 3m wide and 3m deep, and the first water collecting tank and the third water collecting tank are connected with the diversion trench and buried along the side trench.
The invention provides a method for constructing by adopting the comprehensive recycling system for the shoal water source, which comprises the following steps:
Assembling the water collecting and purifying tank according to design, excavating pits with the length of 6m and the width of 4m at intervals of 60m along the outer side line of the side ditch and the two sides of the side ditch, and hoisting and placing the assembled water collecting and purifying tank in the pits by using a crane;
step 3, constructing diversion trenches
Digging soft soil manually and building a diversion trench, paving a plastic film or plastic cloth on the diversion trench to form an anti-seepage diversion trench, and attaching and connecting the plastic film or plastic cloth with the wall of the water collection and purification tank to form filtration seepage diversion;
If the cement mixing pile is adopted to carry out soft foundation treatment, a cement slurry pool of the cement mixing pile is directly established near a water collecting and purifying pool, and the water collecting and purifying pool provides water for the construction of the cement mixing pile; if the sand pile is adopted to treat the soft foundation, the water collecting and purifying tank provides water for the construction and irrigation of the soft foundation;
step 5, assembling and establishing a spraying construction shed system;
Carrying out corresponding supporting precipitation process construction, wherein water pumped and drained in the precipitation construction is pumped and drained to a diversion trench or a side trench through a pipeline;
During trench backfilling, connecting a spray head above a construction position of a pipe well, pumping drainage dewatering after each backfilling layer, spraying and irrigating through water in a water collection purification tank, pumping drainage and compacting by vibration after thorough pouring, paving the next layer after thorough pouring again, and sequentially carrying out the steps until the backfilling is finished; in the construction process, the sunshade is arranged at the corresponding position as required, so that the construction is not influenced by weather; moving the sunshade along with the migration of the construction excavation line to ensure that the construction area is always under the sunshade; water in the construction process flows back to the water collecting and purifying tank;
the sandy soil has good water permeability, the sprayed water cannot be retained on a sand base, a good circulating system is formed by pumping, seepage and spraying, the sprayed water is drained to a side ditch guide water collecting and purifying tank in time, the rolling times can be effectively reduced, the sand base settlement compactness is enhanced, the later settlement amount is effectively reduced, and the engineering quality and the working efficiency are improved;
After the construction of the groove is finished, carrying out roadbed amplitude backfill, opening a valve before backfilling, carrying out spray irrigation through water in a water collecting and purifying tank after each backfilling layer, carrying out rolling compaction after thorough irrigation, carrying out thorough irrigation again and rolling compaction after water seepage disappears, carrying out lower-layer paving, and sequentially carrying out the steps until backfilling is finished; after each layer is paved, the sunshade is moved in a short distance, and the positions of the pulleys, which cannot be rolled, are supplemented and rolled compactly; well point dewatering can be kept continuously in the backfilling process, water circulation and foundation settlement compaction are guaranteed, and a stable roadbed is formed; water in the construction process flows back to the water collecting and purifying tank; a sunshade is used for shading sun and rain in the construction process;
the sandy soil has good water permeability, the sprayed water cannot be retained on a sand base, a good circulating system is formed by pumping, seepage and spraying, the sprayed water is drained to a side ditch guide water collecting and purifying tank in time, the rolling times can be effectively reduced, the sand base settlement compactness is enhanced, the later settlement amount is effectively reduced, and the engineering quality and the working efficiency are improved;
A sunshade is used for shading sun and rain in the construction process;
and step 10, dismantling and recovering the comprehensive recycling system of the continental water source.
The invention has the beneficial effects that:
by arranging the water resource collecting system and the spraying construction shed system, water resources can be reasonably utilized, ground dust is reduced, the influence of sunshine and rain on the construction period is reduced, the construction period is shortened, and the working efficiency is improved; the problems that water resources appearing at municipal construction sites of the sandbars with rich underground water levels close to the coastal areas, the beach zones and the like are not reasonably and effectively utilized, the treatment effect of exposed raised dust on the ground is poor, the influence of the sun-rain weather on the construction period is great, and the like are solved; the method has the characteristics of simple construction operation and low construction cost;
the water collecting and purifying tank is subjected to multi-layer filtration to ensure that underground water mixed with fine sand and guided water are purified and filtered, and the risk of pump and pipe blockage is effectively reduced;
the use of the diversion trench can reduce the investment of pipelines and the cost for building drainage diversion trenches, save the cost for building new trenches and increase the cyclic utilization of water sources; the plastic film or plastic cloth is arranged on the diversion trench, so that scouring and seepage are effectively avoided, and the operation safety and water quality of the trench are guaranteed;
the pumping drainage and the spraying form a good circulating system, so that the rolling frequency can be effectively reduced, the sand base settlement compactness is enhanced, the later settlement amount is effectively reduced, and the engineering quality and the working efficiency are improved;
the application of the spraying construction shed system not only can play a role in spraying and dust reduction, but also can effectively ensure that the construction under various weather environments is normally carried out, thereby solving the dilemma that the municipal engineering construction is greatly influenced by weather;
the movable spraying construction shed system is adopted, adjustment can be carried out according to the width of a road, the operation practicability is high, and the environmental conditions of the municipal engineering construction site are greatly improved;
the spraying equipment is reasonably combined with the construction shed, so that the spraying range is reasonably controlled according to construction requirements, and after the pipeline of the construction shed is filled with water, the stability and the wind resistance of the construction shed are guaranteed, and a reasonable construction space is formed;
the moving and turnover are convenient, the system can be moved to a specified position according to construction requirements, the water source is utilized and moved along with the movement of the system, the system is simple to establish, and the interference influence on the construction process is small;
the sunshade can be used by hanging and fixing equipment such as lighting and fans, steel pipes can be clamped and the protective nets can be bound on two sides of the shed frame to form a fence, so that the safety of construction and construction ranges is guaranteed;
the system has the advantages of wide application range, more combination, convenient material selection, repeated turnover, simple operation, small loss, complete system composition, stable structure and safe and reliable use.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural view of the comprehensive recycling system for the shores of the present invention (without sun-shading cloth or rain-shading cloth);
FIG. 2 is a schematic structural view of the comprehensive recycling system for the shores of the present invention (with a sunshade cloth and a rain-proof cloth);
FIG. 3 is a schematic view of the comprehensive recycling system for the shores;
FIG. 4 is a schematic top view of the integrated sandbank water source recycling system;
fig. 5 is a schematic top view of the water collecting and purifying tank (water-free filtering plate);
FIG. 6 is a schematic diagram of the top view structure of the water collecting and purifying tank (with water filtering plate);
FIG. 7 is a schematic diagram of a top view and a front view of the water collecting and purifying tank;
FIG. 8 is a schematic structural view of one side wall of the water collecting and purifying tank;
FIG. 9 is a schematic structural diagram of a column with 2 slots at the corners of the plate frame;
FIG. 10 is a schematic structural view of a pillar with 3 slots adjacent to a water collecting basin;
FIG. 11 is a schematic structural view of a guide channel;
FIG. 12 is a schematic structural view of a roller and a slide rail;
FIG. 13 is a schematic view of a showerhead installation of the spray system;
FIG. 14 is a schematic view of the installation of the showerhead of the spray system;
FIG. 15 is a schematic view of the connection structure of the pillar tube and the upper cross beam tube;
wherein: 1. cement mixing pile, 2, original ground, 4, precipitation well, 6, side ditch, 7, diversion ditch, 8, water collecting and purifying tank, 9, roller, 10, upright post pipe, 11, upper cross beam pipe, 12, fixed inclined strut, 13, cross beam pipe, 14 top frame, 15, supporting vertical pipe, 16, protective steel, 17, valve, 18, sun-shading cloth or rain-shading cloth, 19, steel wire rope, 20, automobile, 21, pipeline, 22, red road line, 23, lighting lamp, 24, electric fan, 25, water filtering plate, 26, upright post, 27, pulling bar, 30, net film-sandwiched water filtering plate, 32, steel mould net, 34, purlin, 35, self-tapping nail, 36, plate frame, 37-1, four-pipe, 37-2, three-pipe, 38, plastic film or plastic cloth, 39, DN50 galvanized water pipe with dense cloth strip holes, 40, spray strip, 41, spray head, 42, road nail, 43, 44, U-shaped screw rail, 45. a butt bolt 46, a spiral ring 47, a split nut 48 and screws.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-15, a comprehensive recycling system for a shoal water source comprises a water resource collection system and a spraying construction shed system.
The water resource collecting system comprises a side ditch 6, a dewatering well 4, a diversion ditch 7 and a water collecting and purifying tank 8. The side ditch 6 is a drainage ditch groove which is excavated at the side of the roadbed after the surface is cleared; the device is arranged at the position 50cm away from the side slope line of the roadbed, and the width and the depth of the device are 60cm and 50cm respectively; guiding the collected water (water on the road surface) in the sand-based construction into the water collecting and purifying tank 8 through a pipeline 21; the dewatering well 4 is positioned beside the trench in the road construction, water in the trench construction in the road construction flows into the dewatering well 4, and the dewatering well 4 pumps the water into the diversion trench 7; the diversion trench 7 is a diversion trench which is built outside the road red line 22 for drainage of the pipeline trench, has the bottom width of 30cm, the upper width of 50cm and the depth of 40cm, and is arranged at a position which is not less than 2m away from the upper slope line of the dewatering well and the surface cleaning foundation trench; a plastic film or plastic cloth 38 is arranged on the flow guide groove 6, and one edge of the plastic film or plastic cloth 38 is attached to the wall of the water collecting and purifying tank 8; the diversion trench 7 guides water into the water collecting and purifying tank 8. The water collecting and purifying tank 8 is 5m long, 3m wide and 3m deep and is buried along the side ditch 6. The water collecting and purifying tank 8 comprises a plate framework 36 positioned around the water collecting pit, the plate framework 36 is welded with L50 steel angles at the periphery, and supporting strips are arranged in the middle at intervals of 20-30 cm; the plate framework 36 is provided with the net film-sandwiched water filtering plate 30, and the net film-sandwiched water filtering plate 30 is directly communicated with the bottom of the pool and plays a role in resisting the pressure of side soil; the middle part of the water collecting and purifying tank 8 is also provided with a net sandwiched membrane water filtering plate 300, the water collecting and purifying tank 8 is divided into a first water collecting tank, a second water collecting tank and a second water collecting tank, and the first water collecting tank and the third water collecting tank are connected with the diversion trench 7; the net sandwiched film water filtering plate 30 comprises 2 steel mould nets 32 and geotextile, wherein the geotextile is arranged between the two steel mould nets 32, and the steel mould nets 32 and the geotextile are fixed through purlins 34 and self-tapping nails 35; the plate frame 36 and the purline 34 are made of uniform materials, and can be made of aluminum alloy, stainless steel and other steel materials; the 4 corners of the plate framework 36 adopt upright posts 26 with 2 clamping grooves, and the net film-sandwiched water filtering plate 30 is fixed on the clamping grooves of the upright posts 26 through the opposite lacing wires 27; an upright post 26 with 3 clamping grooves is arranged at the position of the adjacent water collecting tank, and a net laminated water filtering plate 30 is fixed on the clamping grooves of the upright post 26 through a pair of lacing bars 27. In the second catch basin, from second catch basin bottom 50cm, be close to lateral wall 20 ~ 30cm position and establish to lacing wire 27, be equipped with drainage plate 25 on this to lacing wire 27 to purify gutter 6 and groundwater.
The spraying construction shed system comprises a sunshade and a spraying system. The sunshade is arranged on a road surface and comprises a vertical column pipe 10, an upper beam pipe 11, a top frame 14 and a span beam pipe 13. The upright post pipes 10 are provided with a plurality of pairs, each pair of upright post pipes 10 are connected through an upper crossbeam pipe 11, and adjacent upper crossbeam pipes 11 are connected through a crossbeam pipe 13; the top frame 14 is a shed top framework, adopts DN25 steel pipes, is provided with an arc shape according to span, is set to be 2-3 m long, and is connected by a split nut 47, the top frame 14 is connected with the upper crossbeam pipe 11 through a support vertical pipe 15, the support vertical pipe 15 and the upper crossbeam pipe 11 are fixed by a screw ring 46 in a buckling way, and the support vertical pipe 15 and the top frame 14 are fixed by a screw 48; a sunshade or rain-proof cloth 18 is provided on the top frame 14, and the sunshade or rain-proof cloth 18 plays a role of sunshade and rain-proof. At the side of the awning, the side upright tubes 10 are connected by means of protective steel 16 to ensure the stability and wind resistance of the awning. The roller 9 is arranged below the upright post pipe 10, the roller 9 slides on the slide rail 43, and the slide rail 43 is fixed on the road through the spike 42; the front end of the sunshade is provided with a steel wire rope 19, and when the sunshade needs to be moved, the automobile 20 pulls the steel wire rope 19, so that the sunshade is driven to move along the road construction direction, and the construction area is ensured to be under the sunshade. In order to ensure the construction, an illumination lamp 23 and an electric fan 24 may be installed on the top frame 14 as needed. The spray header 41 of the spray system is arranged on the span beam pipe 13 and communicated with the span beam pipe 13; in order to control the work of the spray header 41 conveniently and reduce the waste of water resources, a valve 17 is arranged on each span beam pipe 13. The pump of the spraying system pumps water in the water collecting and purifying tank 8 into the upright post pipe 10, the water in the upright post pipe 10 flows into the span beam pipe 13 through the upper beam pipe 11, the water in the span beam pipe 13 sprays the road surface through the spraying head 41, and the sprayed water flows into the side ditch 6 for recycling. Of course, the spray header can be replaced by other structures, for example, the densely-arranged DN50 galvanized water pipe 39 is adopted, the spraying belt 40 is sleeved outside the spray header, and the two ports are bound by the binding belt, so long as the spraying can be realized. The use of the sunshade can reduce the influence of weather on construction, ensure that the construction can be continued in hot, rainy and cold weather, shorten the construction period and improve the construction efficiency.
In this embodiment, in order to make the structure more stable, can establish fixed bracing 12 between stand pipe 10 and entablature pipe 11, fixed bracing is formed by the fixed steel sheet vertical welding in the long area arc groove of 2 50cm, all establishes three hole on every to welding diagonal brace reinforcing bar in the middle of, fixed bracing 12 is connected with entablature pipe 11 through U type back of a circle screw 44, and fixed bracing 12 is connected with stand pipe 10 through butt bolt 45.
In the embodiment, finished product rollers 9 can be purchased in the market, the radius of the tire is not less than 15cm, the upper part of the tire is connected with the upright tube 10 through threads, and the tire rotates in the direction of 30 degrees in a limiting mode. The upright tube 10 and the span tube 13 are galvanized water tubes of DN100, the upper crossbeam tube 11 is galvanized water tubes of DN80, the length of the upright tube 10 is not less than 4.5m, and each section of the upper crossbeam tube 11 is 0.8-1.5 m. The pipelines are connected through a three-pipe joint 37-2, a four-pipe joint 37-1 and the like.
The invention provides a method for constructing by adopting the comprehensive recycling system for the shoal water source, which comprises the following steps:
Finishing surface cleaning and roadbed leveling work by using a construction machine, and excavating a surface ditch at the position 50cm away from the side slope line of the roadbed by using a small hook machine, wherein the excavation width is one shovel width and the excavation depth is 50 cm;
Assembling the water collecting and purifying tanks according to design, excavating pits with the length of 6m and the width of 4m at intervals of 60m along the outer side lines of the side ditches and the two sides of the roads, wherein the pits are deep to ensure that the top of the water collecting and purifying tanks is slightly higher than the original ground 2, hoisting the assembled water collecting and purifying tanks by using a crane and placing the assembled water collecting and purifying tanks in the pits, filling soil around the assembled water collecting and purifying tanks for reinforcement after stable placement, and dredging the connection ports of the side ditches and the water collecting and purifying tanks;
step 3, constructing diversion trenches
The method is characterized in that the positions, which are not less than 2m away from the upper slope line of the downcomer and the surface cleaning foundation trench, are arranged, a plough machine is adopted to plough the depth of 25cm along the set line of the diversion trench, soft soil is excavated by manpower, the diversion trench with the width of 30cm, the upper width of 50cm and the depth of 40cm is built, a plastic film or plastic cloth is laid on the diversion trench to form a seepage-proof diversion trench, the plastic film or plastic cloth is attached and connected with the wall of the water collecting and purifying tank to form a filtering seepage diversion flow, and sandy soil accumulated at the position needs to be cleaned in time in the using process;
If the cement mixing pile 1 is adopted to treat the soft foundation, a cement slurry pool of the cement mixing pile is directly established near a water collecting and purifying pool, and the water collecting and purifying pool provides water for the construction of the cement mixing pile, so that the problem of water source supply is solved, and the smooth construction of the soft foundation is ensured; if the sand pile is adopted to treat the soft foundation, the water collecting and purifying tank provides water for the construction and irrigation of the soft foundation;
step 5, assembling and establishing a spraying construction shed system;
after the soft foundation is treated, a spraying construction shed system is assembled on a leveled and compacted road bed, a construction shed with the length of not less than 100m is formed every 6m, specifically, the construction shed is set up as required, according to the condition of the site foundation, sliding rails are laid by channel steel under rollers under galvanized water pipes (upright pipes) on two sides, and the sliding rails are fixed by using track nails so as to prevent sinking and sideslip; opening and closing the related valves to enable each water inlet port to supply water sources of the adjacent 2-span spray pipes;
Carrying out corresponding supporting dewatering process construction, wherein water pumped and drained in the dewatering construction is pumped and drained to a diversion trench or a side trench through a pipeline, preferably the diversion trench, and flows to a water collecting and purifying tank through filtration and seepage;
During trench backfilling, connecting a spray head above a construction position of a pipe well, pumping drainage dewatering after each backfilling layer, spraying and irrigating through water in a water collection purification tank, pumping drainage and compacting by vibration after thorough pouring, paving the next layer after thorough pouring again, and sequentially carrying out the steps until the backfilling is finished; in the construction process, the sunshade is arranged at the corresponding position as required, so that the construction is not influenced by weather; moving the sunshade along with the migration of the construction excavation line to ensure that the construction area is always under the sunshade; fixing an illuminating lamp and a fan on the top frame according to the temporary construction requirement to ensure the smooth construction; water in the construction process flows back to the water collecting and purifying tank;
the sandy soil has good water permeability, the sprayed water cannot be retained on a sand base, a good circulating system is formed by pumping, seepage and spraying, the sprayed water is drained to a side ditch guide water collecting and purifying tank in time, the rolling times can be effectively reduced, the sand base settlement compactness is enhanced, the later settlement amount is effectively reduced, and the engineering quality and the working efficiency are improved;
After the construction of the groove is finished, carrying out roadbed amplitude backfill, opening a valve before backfilling, carrying out spray irrigation through water in a water collecting and purifying tank after each backfilling layer, carrying out rolling compaction after thorough irrigation, carrying out thorough irrigation again and rolling compaction after water seepage disappears, carrying out lower-layer paving, and sequentially carrying out the steps until backfilling is finished; after each layer is paved, the sunshade is moved in a short distance, and the positions of the pulleys, which cannot be rolled, are supplemented and rolled compactly; well point dewatering can be kept continuously in the backfilling process, water circulation and foundation settlement compaction are guaranteed, and a stable roadbed is formed; water in the construction process flows back to the water collecting and purifying tank; a sunshade is used for shading sun and rain in the construction process; fixing an illuminating lamp and a fan on the top frame according to the temporary construction requirement to ensure the smooth construction;
the sandy soil has good water permeability, the sprayed water cannot be retained on a sand base, a good circulating system is formed by pumping, seepage and spraying, the sprayed water is drained to a side ditch guide water collecting and purifying tank in time, the rolling times can be effectively reduced, the sand base settlement compactness is enhanced, the later settlement amount is effectively reduced, and the engineering quality and the working efficiency are improved;
After roadbed construction is finished, subsequent construction is carried out, and spraying maintenance is carried out in a maintenance stage after base layer construction; in hot summer, in construction of paving and pasting sidewalks, kerbs and the like, a sunshade net covers and is fixed on the top frame, and the top frame is moved, sprayed, dusted and cooled as required, so that smooth construction of workers under a sunshade is guaranteed, and the influence of hot weather on construction is reduced; in rainy seasons and cold weather, the awning is covered with the rain shielding cloth, and the awning moves according to the construction position, so that a worker can be ensured not to wear a raincoat for construction in a rainy period, a closed space can be formed, heating or pumping hot water for spraying and heat preservation is carried out, and the asphalt is prevented from being cooled too fast and an entity is prevented from being damaged by freezing; following construction line migration; fixing an illuminating lamp and a fan on the top frame according to the temporary construction requirement to ensure the smooth construction;
and step 10, dismantling and recovering the comprehensive recycling system of the continental water source.
The water collecting and purifying tank is dismantled and recycled as required in the construction process, the whole system is disassembled and classified, collected and arranged after the project is finished, and backfilling recovery is carried out on water pits and the like which are manufactured due to the system building and construction requirements.
According to the invention, water in the water collecting and purifying tank is pumped to the sunshade through the water pump, valve management is carried out as required, the sand base is tightly drenched by compacting, matching with spraying and watering in the groove backfilling and roadbed construction, and the sunshade is additionally provided with a sunshade net, a sunshade cloth, lighting equipment, an electric fan and other equipment as required, so that the construction is not influenced by weather and environment, and the normal operation of the construction is ensured. The invention can reduce the grinding times of the sand base, filter sand and purify water, effectively prevent the pump and the pipe from being blocked, perform spraying and dust reduction, reasonably utilize water resources, solve the problem that municipal engineering construction is influenced by weather and environment, and have the characteristics of obvious dust treatment effect, simple structure, easy material taking, simple construction operation and low construction cost.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (6)
1. A method for constructing by adopting a sandbar water source comprehensive recycling system is characterized by comprising the following steps:
the comprehensive recycling system for the water source of the sandbars comprises a water resource collecting system and a spraying construction shed system;
the water resource collecting system comprises a side ditch, a dewatering well, a diversion ditch and a water collecting and purifying tank; guiding the collected water on the pavement into a water collecting and purifying tank by using the side ditch; the water in the groove flows into a dewatering well, the dewatering well pumps the water into a diversion trench, and the diversion trench guides the water into a water collecting and purifying tank;
the spraying construction shed system comprises a sunshade and a spraying system; the sunshade is positioned on the road surface, shades the sun and rain for the construction road, and can slide along the slide rail on the road along the road construction direction; the pump of the spraying system conveys the water in the water collecting and purifying tank to a spraying head of the spraying system; a plurality of spray heads of the spray system are uniformly arranged on the sunshade and spray in the sand foundation construction; the spray water flows into the side ditch for cyclic utilization;
the sunshade comprises a stand column pipe, an upper crossbeam pipe, a top frame and a span beam pipe; the upright post pipes are provided with a plurality of pairs, each pair of upright post pipes is connected through an upper crossbeam pipe, and adjacent upper crossbeam pipes are connected through a span beam pipe; the top frame is connected with the upper beam pipe through a supporting vertical pipe, and sunshade cloth or rain-proof cloth is arranged on the top frame; the spray header is arranged on the beam spanning pipe; a pump of the spraying system pumps water in the water collecting and purifying tank into the upright post pipe, the water in the upright post pipe flows into the cross beam pipe through the upper cross beam pipe, and the water in the cross beam pipe is sprayed to the road surface through the spraying head;
the water collecting and purifying tank comprises a plate framework positioned around the water collecting pit, and a net sandwiched membrane water filtering plate is arranged on the plate framework; the middle part of the water collecting and purifying tank is also provided with a net sandwiched membrane water filtering plate, and the water collecting and purifying tank is divided into a first water collecting tank, a second water collecting tank and a third water collecting tank;
the net sandwiched film water filtering plate comprises two steel mould nets, geotextiles and purlines, wherein the geotextiles are arranged between the two steel mould nets, and the steel mould nets and the geotextiles are fixed through the purlines and the self-tapping screws;
the 4 corners of the plate framework adopt upright columns with 2 clamping grooves, the adjacent water collecting tank is provided with the upright columns with 3 clamping grooves, and the net sandwiched membrane water filtering plate is fixed on the clamping grooves of the upright columns through tie bars and bolts;
the method for constructing by adopting the comprehensive recycling system of the sandbar water source comprises the following steps:
step 1, clearing a surface and excavating a side ditch;
step 2, assembling and placing the water collecting and purifying tank
Assembling the water collecting and purifying tank according to design, excavating pits with the length of 6m and the width of 4m at intervals of 60m along the outer side line of the side ditch and the two sides of the side ditch, and hoisting and placing the assembled water collecting and purifying tank in the pits by using a crane;
step 3, constructing diversion trenches
Digging soft soil manually and building a diversion trench, paving a plastic film or plastic cloth on the diversion trench to form an anti-seepage diversion trench, and attaching and connecting the plastic film or plastic cloth with the wall of the water collection and purification tank to form filtration seepage diversion;
step 4, treating soft foundation
If the cement mixing pile is adopted to carry out soft foundation treatment, a cement slurry pool of the cement mixing pile is directly established near a water collecting and purifying pool, and the water collecting and purifying pool provides water for the construction of the cement mixing pile; if the sand pile is adopted to treat the soft foundation, the water collecting and purifying tank provides water for the construction and irrigation of the soft foundation;
step 5, assembling and establishing a spraying construction shed system;
step 6, groove supporting precipitation construction
Carrying out corresponding supporting precipitation process construction, wherein water pumped and drained in the precipitation construction is pumped and drained to a diversion trench or a side trench through a pipeline; step 7, pipe well construction
During trench backfilling, connecting a spray head above a construction position of a pipe well, pumping drainage dewatering after each backfilling layer, spraying and irrigating through water in a water collection purification tank, pumping drainage and compacting by vibration after thorough pouring, paving the next layer after thorough pouring again, and sequentially carrying out the steps until the backfilling is finished; in the construction process, the sunshade is arranged at the corresponding position as required, so that the construction is not influenced by weather; moving the sunshade along with the migration of the construction excavation line to ensure that the construction area is always under the sunshade; water in the construction process flows back to the water collecting and purifying tank;
step 8, roadbed construction
After the construction of the groove is finished, carrying out roadbed amplitude backfill, opening a valve before backfilling, carrying out spray irrigation by water in a water collecting and purifying tank after each backfilling layer, carrying out rolling compaction after thorough irrigation, carrying out thorough irrigation again after water seepage disappears, carrying out rolling compaction, carrying out lower-layer paving, and sequentially carrying out the steps until backfilling is finished; after each layer is paved, the sunshade is moved in a short distance, and the positions of the pulleys, which cannot be rolled, are supplemented and rolled compactly; well point dewatering can be kept continuously in the backfilling process, water circulation and foundation settlement compaction are guaranteed, and a stable roadbed is formed; water in the construction process flows back to the water collecting and purifying tank; a sunshade is used for shading sun and rain in the construction process;
step 9, constructing base layer, surface layer and auxiliary structures
A sunshade is used for shading sun and rain in the construction process;
and step 10, dismantling and recovering the comprehensive recycling system of the sandbank water source.
2. The method for construction by using the comprehensive recycling system for the shoal water source as claimed in claim 1, wherein: and a valve is arranged at the end head of the span beam pipe.
3. The method for construction by adopting the comprehensive recycling system for the shoal water source as claimed in claim 1 or 2, wherein: and a fixed inclined strut is arranged between the upright column pipe and the upper beam pipe, the fixed inclined strut is connected with the upper beam pipe through a U-shaped backspin screw, and the fixed inclined strut is connected with the upright column pipe through a butt bolt.
4. The method for construction by adopting the comprehensive recycling system for the shoal water source as claimed in claim 1 or 2, wherein: and rollers are arranged below the upright post pipe, slide on the sliding rails, and the sliding rails are fixed on the road through spikes.
5. The method for construction by using the comprehensive recycling system for the shoal water source as claimed in claim 1, wherein: in the second water collecting tank, a pair of lacing bars is arranged at the position 50cm away from the bottom of the second water collecting tank, and a water filtering plate is arranged on the pair of lacing bars.
6. The method for construction by using the comprehensive recycling system for the shoal water source as claimed in claim 1, wherein: the side ditch is arranged at a position 50cm away from the side slope line of the roadbed, the width of the side ditch is not less than 30cm, and the depth of the side ditch is not less than 30 cm;
the dewatering well is positioned beside the groove;
the diversion trench is arranged at a position which is not less than 2m away from the upper slope line of the downcomer and the surface cleaning foundation trench; a plastic film or plastic cloth is arranged on the flow guide groove, and one edge of the plastic film or the plastic cloth is attached to the wall of the water collecting and purifying tank;
and the first collecting tank and the third collecting tank of the water collecting and purifying tank are connected with the diversion trench and embedded along the edge trench.
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