CN214328969U - Underground space structure water pressure control system - Google Patents

Abstract

The utility model relates to a water pressure control system of underground space structure, including sump pit, sedimentation tank and cover at sump pit well head foundation plate all around, its characterized in that: one side in the sump pit is equipped with a plurality of water pressure control system, water pressure control system includes filter unit, water collection unit and drainage unit, is equipped with filter unit in water collection unit's collector pipe outside, and water collection unit's collector pipe one end intercommunication drainage unit. The advantages are that: underground water pressure in the underground space can be sensed, regulated and controlled and excreted in real time through the water pressure control system, the underground space structure is guaranteed not to work in an overload mode, the underground space structure in the building is prevented from being seriously damaged and potential safety hazards are avoided, and safe use of the building structure is guaranteed. The water pressure control system of the underground space structure is applicable to all underground space structures, and has wide application range.

Description

Underground space structure water pressure control system

Technical Field

The utility model belongs to the technical field of the construction, especially, relate to a underground space structure water pressure control system.

Background

At present, as civil and public buildings have increasingly complex underground space structures, the depth of the underground space structures is gradually increased. Because underground space structures in residential buildings are mostly used in underground parking lots, storage rooms and the like, the requirement on space is high. In the structure design process at the present stage, only the specification requirement factors are usually considered, and the following situations are ignored, for example, especially in areas with heavy rain, short rainstorm or serious low-lying water storage and high ground water level, the water level sudden change can greatly cause the change of water pressure, and the serious situations can seriously damage the bottom plate, the frame column and the like of the underground space structure, such as: the conditions of base bottom plate protrusion, cracking, frame column root, column top crushing and the like are serious, and the whole building can be collapsed due to serious conditions.

Disclosure of Invention

The utility model discloses a solve the technical problem that exists among the well-known technology and provide one kind and can respond to in real time, regulate and control and excrete secret water pressure, underground space structure receives serious destruction and leads to taking place the underground space structure water pressure control system of potential safety hazard in avoiding the building.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be:

underground space structure water pressure control system, including sump pit, sedimentation tank and cover at sump pit well head foundation plate all around, its characterized in that: one side in the sump pit is equipped with a plurality of water pressure control system, water pressure control system includes filter unit, water collection unit and drainage unit, is equipped with filter unit in water collection unit's collector pipe outside, and water collection unit's collector pipe one end intercommunication drainage unit.

The utility model discloses can also adopt following technical scheme:

preferably, the filtering unit comprises a dense mesh net, a pebble filtering layer and a gravel filtering layer which are arranged below the foundation slab, a reinforcing steel bar net enclosure is arranged between the pebble filtering layer and the gravel filtering layer, a perforated cement pipe fixedly connected with the brick moulding bed is arranged in the gravel filtering layer on the inner side of the reinforcing steel bar net enclosure, a reinforcing steel bar net piece is arranged on the outer wall of the perforated cement pipe, the reinforcing steel bar net piece is fixed through a reinforcing steel bar sealing frame, and a plurality of water holes are formed in the pipe wall of the perforated cement pipe.

Preferably, the water collecting unit comprises a water collecting pipe, a pressure relief box, a water stop ring and a water diversion pipe, the water collecting pipe is arranged at the middle position in the porous cement pipe of the filtering unit and penetrates through the brick molding bed and the foundation slab to be communicated with the pressure relief box arranged in the water collecting well, the other end of the pressure relief box is communicated with the water diversion pipe, and the water stop ring is further arranged on the water collecting pipe.

Preferably, the pressure release box includes box body, spring, rubber buffer, spring coupling pole, steel connecting plate, steel connecting pipe and steel connection pad, be equipped with two at least springs in the box body, the curb plate rigid coupling of spring coupling pole and bolt and box body is passed through to spring coupling pole one end, and it is fixed with the steel connecting plate that the other end passes through the spring coupling pole, steel connecting plate opposite side is equipped with rubber buffer and valve port board and is fixed with the steel connecting plate through the bolt, open at valve port board middle part has the round hole, and the round hole system has the wedge incision, opens at the both sides board middle part of box body has the round hole concentric with valve port board round hole, and steel connecting pipe and steel connection pad rigid coupling are passed through in the outside of box body both sides board.

Preferably, the drainage unit comprises a water pump and a drainage pipe, and the drainage pipe is connected with the underground space structure pipeline embedded part and is communicated with a municipal pipeline outside the underground space structure pipeline embedded part.

The utility model has the advantages and positive effects that: because the above technical scheme is adopted in the utility model, through having set up underground space structure water pressure control system in the sump pit promptly, can adjust relief valve pressure according to the biggest water pressure that the underground space structure of different engineering can bear to in time close the relief valve after water pressure drops to safety range, so both can realize controlling water pressure too big and can avoid the condition of flowing water of a long year again. The filtering unit is installed in the underground space structure water pressure control system, and by means of measures of paving the pebble filtering layer, the gravel filtering layer, wrapping the reinforcing mesh sheet on the cement pipe with the hole, paving the dense mesh net on the upper part of the filtering layer and the like, not only can sediment and sundries of underground water be effectively filtered, but also concrete aggregate and cement paste are reduced to flow, so that the filtering unit and the water collecting pipe are prevented from being blocked by the gravel, the service life of the system is prolonged, and the water collecting effect is ensured. The water collecting pipe is arranged in the cement pipe with the hole, so that the wind direction blocked by the water collecting hole can be reduced, enough operation space can be reserved for replacing the water collecting pipe after long-term use, and the integrity of the filtering unit can be effectively ensured. The water pump is opened and closed by a pressure relief box and a water pump with a float switch according to the liquid level in the water collecting well, when the water pressure reaches a set value, a spring compression piston is opened, underground water is discharged into the water collecting well through a water conduit, after simple precipitation, the liquid level reaches a certain position, a water pump float switch of a water discharging unit is closed, and water is discharged into a municipal rainwater pipeline through a water discharging pipe to prevent overflow; fully reduce groundwater pressure, guarantee that underground space structure can not overload work, ensure building structure's safe handling. The water pressure control system of the underground space structure is applicable to all underground space structures, and has wide application range.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of section I of FIG. 1;

FIG. 3 is a schematic view of the internal structure of the pressure relief box of the present invention;

FIG. 4 is a left side view of FIG. 3;

FIG. 5 is a sectional view A-A of FIG. 3;

FIG. 6 is a cross-sectional view B-B of FIG. 3;

FIG. 7 is a cross-sectional view C-C of FIG. 3;

FIG. 8 is a view of the structure of the assembly of the reinforcing bar sealing frame and the cement pipe with holes of the present invention;

FIG. 9 is a right side view of FIG. 8;

FIG. 10 is a view showing an assembly structure of the water collecting pipe and the water stop ring according to the present invention;

FIG. 11 is a left side view of FIG. 10;

fig. 12 is a right side view of fig. 10.

In the figure: 1. a foundation slab; 2. a water collecting well; 3. a sedimentation tank; 4. a filtration unit; 401. a dense mesh net; 402. a pebble filtering layer; 403. a gravel filter layer; 404. reinforcing mesh sheets; 405. a reinforcing steel bar sealing frame; 406. a steel mesh enclosure; 407. cushion blocks; 408. a cement pipe with a hole; 5. a water collection unit; 501. a water collection pipe; 5011. a strip-shaped hole; 502. a pressure relief box; 5021. a box body; 5022. a spring; 5023. a rubber plug; 5024. a spring connecting rod; 5025. a steel connecting plate; 5026. a bolt; 5027. a valve port plate; 5028. a steel connecting disc; 5029. a steel connecting pipe; 503. a water stop ring; 504. a water conduit; 6. a drainage unit; 601. a water pump; 602. a drain pipe; 7. a brick molding bed; 8. municipal pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following 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 figures 1-12 of the drawings,

underground space structure water pressure control system, including sump pit, sedimentation tank and cover at sump pit well head foundation plate all around, one side is equipped with a plurality of water pressure control system side by side in the sump pit, water pressure control system includes filter unit 4, water collection unit 5 and drainage unit 6, is equipped with filter unit in the collector pipe 501 outside of water collection unit, and the collector pipe one end intercommunication drainage unit of water collection unit, the drain pipe and the outside municipal pipeline 8 intercommunication of drainage unit.

Specifically, the filtering unit 4 includes a dense mesh net 401, a pebble filtering layer 402 and a gravel filtering layer 403 which are arranged below the foundation slab, a reinforcing mesh enclosure 406 is arranged between the pebble filtering layer and the gravel filtering layer, a perforated cement pipe 408 fixedly connected with the brick mould 7 is arranged in the gravel filtering layer positioned on the inner side of the reinforcing mesh enclosure, a reinforcing mesh sheet 404 is arranged on the outer wall of the perforated cement pipe, the reinforcing mesh sheet is fixed by a reinforcing seal frame 405, and a plurality of water holes are formed in the pipe wall of the perforated cement pipe.

Specifically, the pebble filter layer is made of pebbles with the diameter larger than 10CM, the pebble filter layer starts to be laid after the mortar strength of the brick bed mould 7 within the pebble laying height range reaches 100%, the pebble filter layer is laid until the position of about 1/2 below the perforated cement pipe 408, the pebbles are continuously laid in layers after the reinforcing bar net enclosure 406 is installed and crushed stones with a certain thickness are laid, the laying thickness of the pebble filter layer is determined according to the lateral pressure resistance of the reinforcing bar net enclosure, and the pebble filter layer is ensured not to have obvious bulging and inclination until the position of 10CM below the cushion layer of the foundation slab 1.

Specifically, the gravel filter layer 403 is made of gravel with a diameter larger than 3CM, the gravel is laid in layers after the steel bar mesh enclosure is installed in place, and the laying thickness is determined according to the lateral pressure resistance of the steel bar mesh enclosure, so that the steel bar mesh enclosure is ensured not to have obvious bulging or inclination. And when the cement pipes with holes are paved to the installation position of the cement pipes with holes and the water collecting pipes are suspended, the paving is continued until the residual brick moulding beds are built to reach the construction strength until the lower skin of the cushion layer of the foundation slab 1 is within 10 CM.

Concretely, wrap up 3 layers with reinforcing bar net piece 404 at least with foraminiferous cement pipe 408's the outside, foraminiferous cement pipe perpendicular to mould for brick mould side-mounting just guarantees the tip and can laminate with the mould for brick mould, and the other end seals the straining and wraps up with 3 layers above wire net pieces with the reinforcing bar and good, and the reuse is a small amount of broken stones and is covered and begin to install collector pipe 501 after the location, the collector pipe is located to have a plurality of bar holes on burying the pipe wall of section underground, and the intraductal central point of foraminiferous cement is arranged in to the one end in collector pipe bar hole puts, can adopt steel bar support or cushion 407 to carry out assistance-localization real, guarantees the degree of accuracy of its position. And a water stop ring 503 is arranged on the water collecting pipe, is positioned at the central line of the side wall of the water collecting well, is reinforced after positioning is finished, and builds the rest brick moulding bed. The gap between the water collecting pipe and the brick moulding bed is filled with masonry mortar, so that the phenomena of slurry leakage and reverse flow during concrete pouring are prevented, and the waterproof performance of the concrete is prevented from being influenced.

Specifically, the dense mesh net 401 covers the upper parts of the pebble filter layer and the gravel filter layer, the coverage range exceeds the outer boundary of the pebble filter layer by more than 40CM, the depth of the dense mesh net close to one side of the brick molding bed is not less than 20CM along the outer side wall of the brick molding bed, the thickness of the dense mesh net is controlled to be about 10CM, and the mesh number can be selected according to actual conditions. The concrete filter unit has the advantages that the concrete is prevented from blocking the filter unit when the concrete is poured, the dense mesh net can be replaced by a water filtering plate, a heat insulation plate and the like, and the laying thickness meets the structural requirement.

Specifically, the steel bar mesh enclosure 406 is composed of an L-shaped steel bar framework and a steel bar mesh, wherein a vertical section of the L-shaped steel bar framework is bound on the steel bar mesh, and a flat section is a free section; the height of the vertical section is consistent with the thickness of the gravel filter layer, the straight section meets the erection structure requirement, the L-shaped steel bar frameworks are uniformly arranged on the steel bar mesh sheet, the distance meets the erection requirement, the diameter of the L-shaped steel bar frameworks meets the erection requirement, the steel bar mesh can be cut automatically according to the requirement, and the construction requirement is met.

Specifically, the reinforcing bar sealing frame 405 is formed by welding 2 longitudinal and transverse reinforcing bars, the end part is bent, and the bending distance can meet the structural requirement of buckling on a cement pipe with a hole.

Specifically, water collecting unit 5 includes collector pipe 501, pressure release box 502, water stop ring 503 and leading pipe 504, the collector pipe sets up the position placed in the middle in filter unit's foraminiferous cement pipe 408 to pass brick molding bed 7 and soleplate 1 and set up the pressure release box intercommunication in the sump pit, the pressure release box other end intercommunication leading pipe 504, still be equipped with the water stop ring on the collector pipe.

Specifically, the water collecting pipe 501 is made of steel pipes, the pipe diameter can be selected according to underground water and rainfall conditions of the place where the project is located, 10CM is generally selected, the water collecting pipe is provided with strip-shaped holes 5011 in the burying section, the width of the strip-shaped holes is preferably controlled to be more than 2CM, the strip-shaped holes are not too small, and blockage is prevented. The length and the structural style of the embedded section can be designed according to the water receiving quantity requirement and can be set into a T shape, an L shape, an I shape and the like. A water stop ring 503 is welded at the joint of the water collecting pipe and the foundation slab 1, the water stop ring can be round or rectangular, and the water stop ring can be cut on site as required; the pipe wall of the water collecting pipe embedding section is provided with a strip-shaped hole for expanding the water collecting efficiency; the end of the water collecting pipe is welded with a steel connecting disc, 6 bolt holes are uniformly formed in the connecting disc, and the hole diameter of each bolt is consistent with that of the steel connecting disc of the pressure relief box. The water conduit 504 is made of steel pipes with the same specification, and is generally processed into an L shape, the length of the vertical section is set according to the depth of the water collecting well, a steel connecting disc is welded at the end of the straight section, and the specification and the style of the steel connecting disc are consistent with those of the water collecting pipe and are connected with the vertical section through welding. And (4) coating an anticorrosive material after the pipe fitting is processed.

Specifically, the pressure release box includes box body 5021, spring 5022, rubber buffer 5023, spring connecting rod 5024, steel connecting plate 5025, steel connecting pipe 5029 and steel connection pad 5028, be equipped with two at least springs in the box body, the curb plate rigid coupling of spring connecting rod and bolt 5026 and box body is passed through to spring connecting rod one end, and it is fixed with the steel connecting plate that the other end passes through the spring connecting rod, the steel connecting plate opposite side is equipped with rubber buffer and valve port board 5027 and is fixed with the steel connecting plate through the bolt, it has the round hole to open at valve port board middle part, and the round hole system has the wedge incision, opens at the both sides board middle part of box body has the round hole concentric with the valve port board round hole, and the round hole of both sides board is used for connecting the steel connecting pipe, passes through steel connecting pipe 5029 and steel connection pad 5028 rigid coupling in the outside of box body both sides board.

Specifically, pressure release box body panel select for use intensity grade be Q235 the steel sheet can, thickness is greater than 5 mm. And cutting and punching the batch of plates according to the design drawing and the size. The middle parts of the two side plates of the box body are provided with round holes with the diameter larger than 10CM, and the diameter can be properly adjusted according to the water flow. The rubber buffer can purchase the finished product or process by oneself, and the rubber buffer middle part punches, its aperture cooperation bolt model can, the tip makes the wedge. The round hole in the middle of the valve port plate 5027 is made into a wedge-shaped notch, the caliber of the notch is matched with the wedge shape at the end part of the rubber plug, and a certain margin is left. Bolt 5026 should add the packing ring when passing the steel connecting plate and being connected with the rubber buffer, screws up with two nuts at the bolt tip, prevents to become flexible after long-time the use and drops. The steel connecting plate 5025 is a circular plate, 4 spring connecting rods 5024 are uniformly welded on one side of the steel connecting plate 5025, and the diameter of the steel connecting plate is slightly smaller than the inner diameter of a spring, so that the spring is convenient to mount. A bolt for fixed spring connecting rod should adopt the high carbon steel material, and the nut welding is in the inboard of box body curb plate, and the bolt bar passes the bolt hole of this curb plate and twists the nut, tip spring welding connecting rod, spring connecting rod grafting spring. The length of the steel connecting pipe on the outer side of the side plate is larger than that of the bolt rod, so that the screwing operation space of the bolt rod is ensured. The steel connecting disc 5028 is circular, 6 bolt holes are uniformly formed in the steel connecting disc 5028, and the aperture is larger than the diameter of the bolt rod by 1-2 mm. And after the parts of the pressure relief box are processed, performing anticorrosive treatment and assembling, wherein other parts except for bolt connection adopt a welding mode.

Specifically, the drainage unit 6 comprises a water pump 601 and a drainage pipe 602, and the drainage pipe is connected with the underground space structure pipeline embedded part and is communicated with the municipal pipeline 8 outside the underground space structure pipeline embedded part.

Underground space structure water pressure control system can respond to water pressure in real time through the unit that catchments, and spring compression piston opens after water pressure reaches the setting value, and in passing through the leading water pipe drainage well with groundwater, the water pump float switch closure of drainage unit behind the liquid level reaches a certain position through simple sediment, drains into municipal rainwater pipeline with water through the drain pipe.

The embodiments described in the drawings are exemplary only and should not be construed as limiting the invention.

Claims (5)

1. The utility model provides an underground space structure water pressure control system, includes sump pit, sedimentation tank and covers at sump pit well head foundation plate all around, its characterized in that: one side in the sump pit is equipped with a plurality of water pressure control system, water pressure control system includes filter unit, water collection unit and drainage unit, is equipped with filter unit in water collection unit's collector pipe outside, and water collection unit's collector pipe one end intercommunication drainage unit.

2. The underground space structure water pressure control system of claim 1, wherein: the filtering unit comprises a dense mesh net, a pebble filtering layer and a gravel filtering layer which are arranged below the foundation bottom plate, a reinforcing steel bar net enclosure is arranged between the pebble filtering layer and the gravel filtering layer, a perforated cement pipe fixedly connected with the brick moulding bed is arranged in the gravel filtering layer positioned on the inner side of the reinforcing steel bar net enclosure, a reinforcing steel bar net piece is arranged on the outer wall of the perforated cement pipe, the reinforcing steel bar net piece is fixed through a reinforcing steel bar sealing frame, and a plurality of water holes are formed in the pipe wall of the perforated cement pipe.

3. The underground space structure water pressure control system of claim 1, wherein: the water collecting unit comprises a water collecting pipe, a pressure relief box, a water stop ring and a water diversion pipe, wherein the water collecting pipe is arranged at the middle part in the porous cement pipe of the filtering unit and penetrates through the brick molding bed and the foundation slab to be communicated with the pressure relief box arranged in the water collecting well, the other end of the pressure relief box is communicated with the water diversion pipe, and the water stop ring is further arranged on the water collecting pipe.

4. The underground space structure water pressure control system of claim 3, wherein: the pressure release box comprises a box body, springs, a rubber plug, a spring connecting rod, a steel connecting plate, a steel connecting pipe and a steel connecting plate, wherein at least two springs are arranged in the box body, one end of each spring is fixedly connected with the side plate of the box body through the spring connecting rod and a bolt, the other end of each spring is fixed with the steel connecting plate through the spring connecting rod, the other side of the steel connecting plate is provided with the rubber plug and a valve port plate and is fixed with the steel connecting plate through the bolt, the middle of the valve port plate is provided with a round hole, the round hole is provided with a wedge-shaped notch, the middle of the two side plates of the box body is provided with a round hole concentric with the round hole of the valve port plate, and the outer sides of the two side plates of the box body are fixedly connected with the steel connecting plate through the steel connecting pipe.

5. The underground space structure water pressure control system of claim 1, wherein: the drainage unit comprises a water pump and a drainage pipe, and the drainage pipe is connected with the underground space structure pipeline embedded part and is communicated with a municipal pipeline outside the underground space structure pipeline embedded part.

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