CN214116726U - Automatic monitoring and emergency treatment coupling device based on anti-floating blind ditch - Google Patents
Automatic monitoring and emergency treatment coupling device based on anti-floating blind ditch Download PDFInfo
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- CN214116726U CN214116726U CN202022633575.0U CN202022633575U CN214116726U CN 214116726 U CN214116726 U CN 214116726U CN 202022633575 U CN202022633575 U CN 202022633575U CN 214116726 U CN214116726 U CN 214116726U
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Abstract
The utility model relates to the technical field of building engineering, and discloses an automatic monitoring and emergency treatment coupling device based on an anti-floating blind ditch, which comprises a water pressure gauge component, a water pressure observation pipe, a switch valve and an intelligent detection system; one end of the water pressure observation pipe is arranged in the blind ditch, and the other end of the water pressure observation pipe is connected with the water pressure gauge component; the switch valve is used for opening or closing the water pressure observation pipe; the water pressure gauge assembly is connected to the intelligent detection system; and a water collecting well is arranged beside the blind ditch and is communicated with the blind ditch through a connecting sleeve. The water pressure of groundwater in the blind ditch is monitored in real time through the water pressure gauge assembly and the water pressure observation pipe, the water pressure condition detected by the water pressure gauge assembly is received in real time through the intelligent detection system, when the water pressure is too high, groundwater is timely discharged through the water collecting well communicated with the blind ditch, and the problem that the anti-floating measures of the blind ditch are invalid due to the fact that the water pressure is too large is effectively avoided through the real-time monitoring of the intelligent detection system.
Description
Technical Field
The patent of the utility model relates to a building engineering's technical field particularly, relates to automatic monitoring and emergency treatment coupling device based on anti blind ditch that floats.
Background
Many projects built according to mountains are faced with pressure caused by slope stability and underground water buoyancy, as a conventional anti-floating measure, the anti-floating anchor rod is developed to the present, the process is mature, the application is wide, but for foundations with higher water heads and more rocks, the number of required anchor rods is large, the cost is high, and the construction in cities is inconvenient.
For the building foundation of a large-height-difference multi-stage block, drainage partitions, blind ditch positioning, water guide grids, arrangement of water level monitoring points, utilization of signal sensors and emergency treatment devices are all factors which must be considered when the blind ditch is adopted as an anti-floating design in the current mountain foundation pit. In complex geological conditions, such as deep foundation pits with multi-stage stair-shaped steps (large elevation difference of building foundations), the blind ditch is adopted as an anti-floating design, related research and practice are less, and an effective water pressure monitoring early warning and emergency treatment mechanism for a blind ditch drainage system is also lacked. Therefore, it is necessary to optimize the existing blind ditch drainage system, prevent the situation that the anti-floating measures of the blind ditch are invalid due to overlarge water pressure, and achieve the purposes of economy and high efficiency on the premise of ensuring the functions of the blind ditch drainage system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic monitoring and emergency treatment coupling device based on anti blind ditch that floats aims at solving prior art, and water pressure is too big to cause the problem that the anti measure of floating of blind ditch became invalid.
The utility model is realized in such a way, and the automatic monitoring and emergency treatment coupling device based on the anti-floating blind ditch comprises a water pressure gauge component, a water pressure observation pipe, a switch valve and an intelligent detection system; one end of the water pressure observation pipe is arranged in the blind ditch, and the other end of the water pressure observation pipe is connected with the water pressure gauge component; the switch valve is used for opening or closing the water pressure observation pipe; the water pressure gauge assembly is connected to the intelligent detection system; and a water collecting well is arranged beside the blind ditch and is communicated with the blind ditch through a connecting sleeve.
Furthermore, the water pressure observation pipe sequentially penetrates through the outer wall of the basement, the bottom plate, the plain concrete cushion layer, the polyethylene protective film, the water guide grid filter layer and the needle-punched geotextile to enter the designed water level of the blind ditch.
Furthermore, a sensor and a control valve are arranged on the connecting sleeve, and the intelligent detection system opens or closes the control valve through the sensor.
Further, the control valve is a bidirectional automatic switch; when the intelligent detection system transmits a closing signal, the control valve is in a closing state; when the intelligent detection system transmits an opening signal, the sensor opens the control valve to introduce water into the water collecting well.
Furthermore, be equipped with the switching mouth on the adapter sleeve, the switching mouth is located one side of sump pit, the switching mouth is used for external indoor tap, right the french drain is washed, is desilted.
Furthermore, be equipped with emergent stop valve on the adapter sleeve, emergent stop valve is located one side of sump pit, emergent stop valve is used for closing the adapter sleeve under the emergency.
Furthermore, the switching valve adopts a ductile cast iron soft seal gate valve.
Furthermore, the water pressure observation pipe and the connecting sleeve both adopt HDPE pipes, and water pipes extending into the blind ditches are all provided with holes and wrapped with needle-punched geotextile.
Furthermore, a plurality of water pressure monitoring points are arranged around the basement, and the distance between the water pressure monitoring points is more than 20 meters.
Furthermore, the intelligent detection system can be externally connected into an automatic monitoring room and an automatic alarm system.
Compared with the prior art, the utility model provides an automatic monitoring and emergency treatment coupling device based on anti-blind ditch that floats comes the water pressure of groundwater in the real-time supervision blind ditch through water pressure gauge subassembly and water pressure observation pipe to receive the water pressure condition that the water pressure gauge subassembly detected in real time through intelligent detection system, when water pressure was too high, groundwater was in time discharged with the sump pit of blind ditch intercommunication to the accessible, and intelligent detection system's real-time supervision has effectively avoided water pressure too big problem that causes the anti-floating measure of blind ditch to become invalid.
Drawings
Fig. 1 is a schematic cross-sectional view of an automatic monitoring and emergency treatment coupling device based on an anti-floating blind ditch provided by the present invention;
fig. 2 is the utility model provides an automatic monitoring and emergency treatment coupling device's cross-sectional schematic diagram based on anti blind ditch that floats.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-2, the preferred embodiment of the present invention is shown.
The automatic monitoring and emergency treatment coupling device based on the anti-floating blind drain comprises a water pressure gauge component 1, a water pressure observation pipe 2, a switch valve 3 and an intelligent detection system 4; one end of the water pressure observation tube 2 is arranged in the blind ditch 11, and the other end of the water pressure observation tube 2 is connected with the water pressure gauge component 1; the switch valve 3 is used for opening or closing the water pressure observation pipe 2; the water pressure gauge component 1 is connected with an intelligent detection system 4; a water collecting well 18 is arranged beside the blind ditch 11, and the water collecting well 18 is communicated with the blind ditch 11 through a connecting sleeve 13.
In this embodiment, come the water pressure of groundwater in the real-time supervision french drain through water pressure gauge subassembly and water pressure observation pipe to receive the water pressure condition that the water pressure gauge subassembly detected in real time through intelligent detection system, when water pressure was too high, the sump pit of accessible and french drain intercommunication in time discharges groundwater, and intelligent detection system's real-time supervision has effectively avoided too big water pressure to cause the problem that french drain anti-floating measure became invalid.
FIG. 1 is a schematic cross-sectional view of an automatic monitoring and emergency treatment coupling device based on an anti-floating blind ditch, a gravel blind ditch 11 (the gradient is about 2%) is arranged around a bottom plate of a basement of a building, the automatic monitoring and emergency treatment coupling device based on the anti-floating blind ditch comprises a pressure gauge component 1, a 20-50mm HDPE water pressure observation pipe 2, a switch valve 3 and an intelligent detection system 4, the water pressure observation pipe 2 penetrates through an outer wall 5 of the basement, the bottom plate 6, a plain concrete cushion layer 7, a polyethylene protective film 8, a water guide grid filter layer 9 and a needled geotextile 10 to enter a designed water level of the blind ditch 11, and the needled geotextile 10 adopts 250g/m2The end part of the hydraulic observation tube 2 extending into the blind ditch 11 is also wrapped with the needle-punched geotextile 10.
The anti-floating blind ditch 11 is a gravel blind ditch consisting of gravels. The anti-floating blind ditch 11 is located below or at the periphery of the basement of the building, and the cross section of the anti-floating blind ditch can be of a trapezoidal structure with a wide top and a narrow bottom. One or two drain pipes can be arranged in the anti-floating blind ditch 11 if necessary, so that the underground water in the larger area of the anti-floating blind ditch 11 can smoothly enter the drain pipes, and then the underground water in the drain pipes can be pumped by a water pump, so that the underground water in the anti-floating blind ditch 11 can be more easily drained.
The polyethylene protective film 8 is a 0.06mm polyethylene film, and is in a lap joint mode, and the lap joint length is 200 mm.
The water guide grid filter layer 9 is a filter membrane which plays a role in filtering sand and gravel and prevents the sand and gravel from entering a water pipe to block the switch valve to influence an emergency drainage system.
In the underground chamber, the distance between the bottom end of the hydraulic observation tube 2 and the bottom plate is about 0.5m, in the outdoor chamber, the tail end of the hydraulic observation tube 2 extends into the gravel blind ditch 11 for about 0.5m, a water pipe extending into a gravel section needs to be provided with flower holes 12 and wrapped with needle-punched geotextile 10, the aperture of each flower hole 12 is 10mm, and the number of the flower holes is 5; the water pressure observation pipe 2 is protected by a rigid waterproof sleeve pipe at the position penetrating through the basement outer wall 5.
Fig. 2 is a schematic cross-sectional view (perpendicular to the extending direction of the blind ditch) of the automatic monitoring and emergency treatment coupling device based on the anti-floating blind ditch, the water collecting well 18 is positioned beside the blind ditch 11, one end of the connecting sleeve 13 is connected with the nearest designed warning water level of the blind ditch 11, and the other end extends into the water collecting well 18. The connecting sleeve 13 is provided with a sensor 14 and a control valve 15, and the intelligent detection system 4 opens or closes the control valve 15 through the sensor 14. The sensor 14, the control valve 15, the adapter 16 and the emergency stop valve 17 are all positioned on one side of the water collecting well 18.
The connecting sleeve 13 is provided with an adapter 16, the adapter 16 is positioned at one side of the water collecting well 18, and the adapter 16 is externally connected with an indoor faucet, has a back flushing effect and can flush and desilt the blind ditch.
An emergency stop valve 17 is arranged on the connecting sleeve 13, the emergency stop valve 17 is located on one side of the water collecting well 18, and the emergency stop valve 17 is used for closing the connecting sleeve under emergency conditions.
The switching valve 3 shown in fig. 1 can be a ductile cast iron soft seal gate valve, and is labor-saving to open and close. In contrast to a shutoff valve, because the direction of movement of the shutter is perpendicular to the direction of media flow, whether open or closed.
The control valve 15 shown in fig. 2 is a bidirectional automatic switch, is in a closed state when the general underground water level is lower, and when the water pressure is higher, the intelligent detection system 4 transmits an opening signal, the control valve 15 is opened through the sensor 14, the underground water in the blind ditch is introduced into the basement water collecting well 18, and the underground water in the water collecting well 18 can be pumped out through the water pump at the later stage and can be used for a landscape pool. The emergency stop valve 17 may be closed in an emergency situation, such as when the water level has not reached a predetermined value and the control valve 15 has failed.
As shown in fig. 1, the water pressure observation pipe 2 is a 20 mm-diameter HDPE pipe, the indoor side is 0.5m away from the basement bottom plate, the outdoor side extends into the blind ditch 11 by about 0.5m, and the end part extending into the blind ditch 11 needs to be provided with a hole 12 and wrapped with a needle-punched geotextile 10; the water pressure gauge assembly 1 is about 1.4m away from the bottom plate 6, the measuring range of the water pressure gauge assembly 1 is 137.0kPa, and the precision is 0.1 kPa.
As shown in fig. 2, the connecting sleeve 13 is a HDPE drain pipe with a diameter of 50mm, one side of which penetrates into the nearest blind ditch 11, the length of which is about 0.8m and extends into the blind ditch 11, and a part of the flower holes 12 extending into the blind ditch 11 are wrapped by the needle-punched geotextile 10; the connection sleeve 13 on the side of the sump well is arranged about 0.3m from the bottom of the sump well 18.
The hydraulic observation pipe 2 and the connecting sleeve 13 both adopt HDPE (High Density Polyethylene) pipes (called as HDPE for short) which are the upgrading products of traditional steel pipes and polyvinyl chloride drinking water pipes, and the HDPE is a good pipeline and has the advantages of good economy, stable and reliable interface, impact resistance, cracking resistance, aging resistance, corrosion resistance and the like. The water pipes of the water pressure observation pipe 2 and the connecting sleeve 13 extending into the blind ditch 11 are all provided with flower holes and wrap the needle-punched geotextile 10, so that sundries are prevented from entering the water pressure observation pipe 2 through the flower holes 12.
Geotextiles, also known as geotextiles, are water permeable geosynthetic materials made of synthetic fibers by needling or weaving. The geotextile is one of new material geosynthetic materials, and the finished product is in a cloth shape, generally has a width of 4-6 meters and a length of 50-100 meters. The geotextile is divided into woven geotextile and non-woven filament geotextile. The needle-punched geotextile is divided into filament spun-bonded needle-punched non-woven geotextile and polyester staple fiber needle-punched non-woven geotextile. The filament spun-bonded needle-punched non-woven geotextile is produced by adopting high-quality polyester chips through high-temperature melting, spinning to form a net and needle punching to form a cloth, has higher tensile strength, tear strength and bursting strength, plays a role in reinforcement protection in engineering, and is generally applied to engineering such as highways, railways, dams, hydraulic buildings, tunnels, refuse landfills and the like. The polyester staple fiber needle-punched non-woven geotextile is formed by needle punching polyester staple fibers, has good water filtration performance and low price, plays roles of reinforcement protection and liner reverse filtration in engineering, and is generally applied to isolation, reverse filtration and drainage parts of civil engineering. In the embodiment, the ends of the water pressure observation pipe 2 and the connecting sleeve 13 extending into the blind ditch 11 can be wrapped by the polyester staple fiber needle-punched non-woven geotextile, so that the water filtering performance is good.
In order to comprehensively monitor the water pressure condition of underground water of a building, a plurality of water pressure monitoring points can be arranged at the bottom plate 6 at intervals of about 50m, and the foundation and the pillars of the building are avoided; for the stepped multi-stage building foundation pit, a water pressure monitoring point is additionally arranged between the inner wall of the high-low span foundation pit and the outer wall of the building, so that the situation that the water pressure on the outer wall of the building is overlarge due to large longitudinal drainage quantity between blocks with large height difference is prevented, and the distance can be set to be about 20 m; if the water level and the water head pressure value are detected to be abnormal, the emergency stop valve 17 is immediately opened to discharge underground water in an emergency mode, detection is carried out at least once every week after treatment is finished, and the number of detection is not less than 4 every month.
The intelligent detection system 4 can be externally connected with an automatic monitoring room and an automatic alarm system, the underground water pressure condition of the building can be monitored in real time through the automatic monitoring room, when the water pressure is too high, the automatic alarm system automatically alarms to remind a manager to check, emergency treat, drain and the like in time, and accidents are avoided.
The utility model discloses an automatic monitoring and emergency treatment coupling device for a broken stone blind ditch system adopted by a receding platform type sloping field building, which comprises the arrangement of a water pressure observation pipe, the setting of a water pressure monitoring point, the coordinated operation of the system, and the explanation of the structure and the filling of the blind ditch; the water pressure monitoring pipe sequentially penetrates through a structural bottom plate, a plain concrete cushion layer, a polyethylene protective film, a water guide grid and the like, and finally extends into a drainage blind ditch, and a water pressure gauge assembly is connected into an intelligent detection system; the water collecting pit is communicated with the blind ditch at the nearest position through a connecting sleeve, and a water pipe at one side of the water collecting pit is provided with an adapter which has a back washing function; during construction, the joint of the drainage blind ditch and various wells and the water inlet of the water collecting well are provided with inverted filter layers; when the water level of underground water approaches the warning value, the intelligent detection system transmits an alarm signal, the sensor controls to open the valve to discharge water into the water collecting well, and the water is pumped out by a preset water pump and is connected with a municipal drainage system. The utility model discloses to the blind ditch "initiative anti-floating" drainage system of dredging improve, detect traditional water pressure and emergent drainage system looks coupling to optimize some measures, make ground water level keep at safe water level always, compare more convenient, high-efficient with prior art.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The automatic monitoring and emergency treatment coupling device based on the anti-floating blind ditch is characterized by comprising a water pressure gauge assembly, a water pressure observation pipe, a switch valve and an intelligent detection system; one end of the water pressure observation pipe is arranged in the blind ditch, and the other end of the water pressure observation pipe is connected with the water pressure gauge component; the switch valve is used for opening or closing the water pressure observation pipe; the water pressure gauge assembly is connected to the intelligent detection system; and a water collecting well is arranged beside the blind ditch and is communicated with the blind ditch through a connecting sleeve.
2. The automatic monitoring and emergency treatment coupling device based on the anti-floating blind ditch of claim 1, wherein the water pressure observation pipe sequentially passes through an outer wall of a basement, a bottom plate, a plain concrete cushion layer, a polyethylene protective film, a water guiding grid filter layer and a geotextile layer to enter the designed water level of the blind ditch.
3. The automatic monitoring and emergency treatment coupling device based on the anti-floating blind ditch of claim 1, wherein a sensor and a control valve are arranged on the connecting sleeve, and the intelligent detection system opens or closes the control valve through the sensor.
4. The anti-floating blind ditch based automatic monitoring and emergency treatment coupling device of claim 3, wherein the control valve is a bidirectional automatic switch; when the intelligent detection system transmits a closing signal, the control valve is in a closing state; when the intelligent detection system transmits an opening signal, the sensor opens the control valve to introduce water into the water collecting well.
5. The automatic monitoring and emergency treatment coupling device based on the anti-floating blind ditch of claim 4, wherein an adapter is arranged on the connecting sleeve, the adapter is positioned at one side of the water collecting well, and the adapter is used for being externally connected with an indoor water tap to wash and desilt the blind ditch.
6. The anti-floating blind ditch-based automatic monitoring and emergency treatment coupling device according to claim 4, wherein an emergency stop valve is arranged on the connecting sleeve, the emergency stop valve is positioned at one side of the water collecting well, and the emergency stop valve is used for closing the connecting sleeve in an emergency.
7. The anti-floating blind ditch based automatic monitoring and emergency treatment coupling device of any one of claims 1 to 6, wherein the switch valve is a ductile iron soft seal gate valve.
8. The anti-floating blind ditch-based automatic monitoring and emergency treatment coupling device according to any one of claims 1 to 6, wherein the hydraulic observation tube and the connecting sleeve are made of HDPE (high-density polyethylene) tubes, and the water tubes extending into the blind ditch are all perforated and wrapped with needle-punched geotextile.
9. The anti-floating blind ditch based automatic monitoring and emergency treatment coupling device of any one of claims 1-6, wherein a plurality of water pressure monitoring points are arranged around the basement, and the plurality of water pressure monitoring points are spaced more than 20 meters apart.
10. The anti-floating blind ditch based automatic monitoring and emergency treatment coupling device according to any one of claims 1 to 6, wherein the intelligent detection system can be externally connected to an automatic monitoring room and an automatic alarm system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022633575.0U CN214116726U (en) | 2020-11-13 | 2020-11-13 | Automatic monitoring and emergency treatment coupling device based on anti-floating blind ditch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022633575.0U CN214116726U (en) | 2020-11-13 | 2020-11-13 | Automatic monitoring and emergency treatment coupling device based on anti-floating blind ditch |
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| CN214116726U true CN214116726U (en) | 2021-09-03 |
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| CN202022633575.0U Active CN214116726U (en) | 2020-11-13 | 2020-11-13 | Automatic monitoring and emergency treatment coupling device based on anti-floating blind ditch |
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