An intelligent construction monitoring device

Abstract

The utility model discloses an intelligent construction monitoring device, which relates to the technical field of construction monitoring. It includes a foundation pit, a construction monitoring point is buried at the top of the slope of the foundation pit, and the construction monitoring point includes a vertical displacement reference point, a surface deformation monitoring point, a building leveling reference point, an anchor hole, an observation well and a deep horizontal displacement monitoring point. The support of the foundation pit is provided with an anchor hole, an anchor body is arranged inside the anchor hole, an anchor stress meter is fixedly connected to the surface of the anchor body, and an instrument cable is provided in the anchor stress meter. The end of the anchor hole is sealed with an orifice cover, and a grouting pipe and an exhaust pipe are penetrated on the surface of the orifice cover, one end of the grouting pipe and the exhaust pipe are placed inside the anchor hole, and the anchor body is penetrated on the surface of the orifice cover; so that the staff can clearly and intuitively understand the state of the foundation pit during the construction process, so as to adjust the construction plan, effectively avoid the occurrence of construction accidents, and improve the construction quality at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of construction monitoring, in particular to an intelligent construction monitoring device. Background Art

[0002] With the acceleration of urbanization and the continuous advancement of infrastructure construction, foundation pit engineering, as an important part of various types of construction, transportation, municipal and other projects, has received increasing attention for its safety and stability. As an important means to ensure the safety of foundation pit engineering, foundation pit monitoring, its technical level and monitoring effect directly affect the quality and progress of the project. Traditional foundation pit monitoring technology mainly relies on manual measurement and regular inspections, and has the following limitations: Untimely acquisition of monitoring data: Traditional monitoring methods require manual on-site measurement and recording, and there is a time delay in data acquisition, which cannot reflect the changes in the foundation pit in real time; Limited monitoring accuracy: Manual measurement is affected by factors such as operating technology and measuring tools, and the measurement accuracy is limited, which is difficult to meet the needs of high-precision monitoring; Limited monitoring range: Traditional monitoring methods can often only monitor a certain area or a certain parameter of the foundation pit, and cannot achieve comprehensive and multi-angle monitoring; Insufficient early warning capabilities: Traditional monitoring methods can often only issue early warnings after large deformations or accidents occur in the foundation pit, lacking the timeliness and accuracy of early warnings.

[0003] Therefore, developing an intelligent construction monitoring device is of great significance for improving the accuracy and real-time performance of foundation pit monitoring and reducing engineering risks. Utility Model Content

[0004] The purpose of the utility model is to provide an intelligent construction monitoring device to solve the above-mentioned technical problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an intelligent construction monitoring device, including a foundation pit, a construction monitoring point is buried at the top of the slope of the foundation pit, the construction monitoring point includes a vertical displacement reference point, a surface deformation monitoring point, a building leveling reference point, an anchor borehole, an observation well and a deep horizontal displacement monitoring point, the support of the foundation pit is provided with an anchor borehole, an anchor body is arranged inside the anchor borehole, an anchor stress gauge is fixedly connected to the surface of the anchor body, the anchor stress gauge is equipped with an instrument cable, an orifice cover is sealed at the end of the anchor borehole, a grouting pipe and an exhaust pipe are penetrated on the surface of the orifice cover, one end of the grouting pipe and the exhaust pipe are placed inside the anchor borehole, the anchor body is penetrated on the surface of the orifice cover, an observation well is opened on the top of the foundation pit, a steel pipe is fixedly installed inside the observation well, and a water level gauge is arranged on the inner wall of the steel pipe.

[0006] Preferably, an inclinometer tube is buried inside the deep horizontal displacement monitoring point, and an inclinometer is installed inside the side inclinometer tube.

[0007] Preferably, a water level meter cable is integrally provided at the end of the water level meter, and the water level meter is connected to a portable reading instrument via the water level meter cable.

[0008] Preferably, the foundation pit includes a ground plane, a drainage ditch foundation pit and a regulating reservoir foundation pit, the ground plane includes a fire station foundation pit, the fire station foundation pit consists of a slope top edge line and a slope bottom edge line, a number of observation wells are opened at the edge of the ground plane, the construction monitoring points are distributed around the slope top edge line, the drainage ditch foundation pit consists of a pool top platform, a slope bottom line, a pool bottom edge line and a slope top line, a maintenance step is arranged between the slope bottom line and the slope top line, the construction monitoring points are distributed at the end of the maintenance step away from the slope bottom line, the regulating reservoir foundation pit consists of a pit bottom and steel sheet piles, and the construction monitoring points are distributed around the steel sheet piles.

[0009] Preferably, the vertical displacement reference point and the building leveling base point are both installed with a level, the surface deformation monitoring point is installed with a total station, and the level, total station, inclinometer and portable reading instrument are connected to a PC for communication.

[0010] Compared with the related art, the intelligent construction monitoring device provided by the utility model has the following beneficial effects:

[0011] The utility model provides an intelligent construction monitoring device, in which a level meter is used to monitor the vertical displacement of a slope top and surface settlement in real time, a total station is used to monitor the horizontal displacement of a slope top in real time, an inclinometer is used to monitor the deep horizontal displacement, a water level meter is used to monitor the groundwater level in real time, an anchor stress meter is used to monitor the anchor axial force in real time, and finally a PC is used to perform statistics and judgment on the monitored data, so that the workers can clearly and intuitively understand the state of the foundation pit during the construction process, so as to adjust the construction plan, effectively avoid the occurrence of construction accidents, and improve the construction quality at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the foundation pit structure of a fire station of the utility model;

[0013] Figure 2 This is a schematic diagram of the drainage ditch foundation pit structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the foundation pit structure of the regulating reservoir of the utility model;

[0015] Figure 4 This is a schematic diagram of the structure of the anchor stress meter of the utility model.

[0016] In the figure: 1. Anchor drilling hole, 11. Anchor stress gauge, 12. Instrument cable, 13. Orifice cover, 14. Anchor body, 16. Slurry inlet pipe, 17. Exhaust pipe, 2. Ground plane, 21. Fire station foundation pit, 22. Slope top edge line, 23. Slope bottom edge line, 24. Observation well, 3. Drainage ditch foundation pit, 31. Pool top platform, 32. Slope bottom line, 33. Pool bottom edge line, 34. Maintenance steps, 35. Slope top line, 4. Reservoir foundation pit, 41. Pit bottom, 42. Steel sheet piles, 5. Construction monitoring point. DETAILED DESCRIPTION

[0017] See also Figure 1-Figure 4 The utility model provides a technical solution, including a foundation pit, a construction monitoring point 5 is buried at the top of the slope of the foundation pit, the construction monitoring point 5 includes a vertical displacement reference point, a surface deformation monitoring point, a building leveling reference point, an anchor borehole 1, an observation well 24 and a deep horizontal displacement monitoring point, the support of the foundation pit is provided with an anchor borehole 1, an anchor body 14 is arranged inside the anchor borehole 1, an anchor stress gauge 11 is fixedly connected to the surface of the anchor body 14, the anchor stress gauge 11 is equipped with an instrument cable 12, and the end of the anchor borehole 1 is sealed with a hole seal The surface of the orifice cover 13 is penetrated by a grout inlet pipe 16 and an exhaust pipe 17, one end of which is placed inside the anchor borehole 1, and the anchor body 14 is penetrated by the surface of the orifice cover 13. An observation well 24 is opened on the top of the foundation pit, a steel pipe is fixedly installed inside the observation well 24, and a water level gauge is arranged on the inner wall of the steel pipe; a level is installed at the vertical displacement reference point and the building leveling reference point, and a total station is installed at the surface deformation monitoring point. The level, the total station, the inclinometer and the portable reading instrument are connected to a PC for communication;

[0018] When opening the anchor borehole 1, the diameter must be larger than the outer diameter of the anchor stress gauge 11 to avoid damaging the anchor stress gauge 11. The anchor borehole 1 is kept straight. The anchor stress gauge 11 of corresponding specifications is selected according to the diameter of the anchor body 14. The connecting rods at both ends of the anchor stress gauge 11 are respectively welded to the surface of the anchor body 14 or threaded. Then, the anchor body 14 with the anchor stress gauge 11 installed is placed inside the anchor borehole 1, and then cement mortar is injected into the anchor borehole 1 through the grouting pipe 16. After the cement mortar solidifies, the anchor stress gauge 11 measures and reads the reference value. During construction, the level instrument monitors the vertical displacement of the slope top and the surface settlement in real time, the total station monitors the horizontal displacement of the slope top in real time, the inclinometer monitors the deep horizontal displacement, the water level meter monitors the groundwater level in real time, and the anchor stress meter 11 monitors the anchor axial force in real time. Finally, the PC performs statistics and judgment on the monitored data, so that the workers can clearly and intuitively understand the status of the foundation pit during the construction process, so as to adjust the construction plan, effectively avoid the occurrence of construction accidents, and improve the construction quality.

[0019] Inclinometer tubes are buried inside the deep horizontal displacement monitoring points, and inclinometers are installed inside the side-inclined tubes;

[0020] A water level gauge cable is integrally arranged at the end of the water level gauge, and the water level gauge is connected to a portable reading instrument via the water level gauge cable;

[0021] The foundation pit includes a ground plane 2, a drainage ditch foundation pit 3 and a regulating reservoir foundation pit 4. The ground plane 2 includes a fire station foundation pit 21. The fire station foundation pit 21 consists of a slope top edge line 22 and a slope bottom edge line 23. A number of observation wells 24 are opened at the edge of the ground plane 2. Construction monitoring points 5 are distributed around the slope top edge line 22. The drainage ditch foundation pit 3 consists of a pool top platform 31, a slope bottom line 32, a pool bottom edge line 33 and a slope top line 35. A maintenance step 34 is provided between the slope bottom line 32 and the slope top line 35. The construction monitoring points 5 are distributed at one end of the maintenance step 34 away from the slope bottom line 32. The regulating reservoir foundation pit 4 consists of a pit bottom 41 and steel sheet piles 42. The construction monitoring points 5 are distributed around the steel sheet piles 42.

[0022] The excavation depth of the fire station foundation pit 21 is five to eight meters, the support length is about 165 meters, the support area is about 1,500 square meters, the foundation engineering piles are static prestressed concrete pipe piles, the total length of the drainage ditch foundation pit 3 is about 6.44km, and the total length of the demolished drainage ditch foundation pit 3 is about 1.12km. Reinforced concrete cover slab open ditch or reinforced concrete U-shaped open ditch, mortar-laid slab rectangular open ditch, cover slab hidden ditch or box culvert, cast iron grate box culvert, reinforced concrete cover slab open ditch or The excavation depth of the box culvert and drainage ditch foundation pit 3 is one to seven meters, and the width is three to fifteen meters. The slope of the slope around the regulating reservoir foundation pit 4 is one to two, and the depth is 5.93 meters. According to the structural characteristics of the regulating reservoir in the drawings, the foundation pit and support adopt a natural slope of one to two support. The pit bottom depth is 6.63 meters, and the slope surface adopts a permanent structure as the slope protection surface. The thickness of gravel is three hundred millimeters + the thickness of MU80 flagstone is four hundred millimeters. M7.5 cement mortar is used for masonry, and cement mortar is used to level the seams.

Claims

1. An intelligent construction monitoring device, comprising a foundation pit, characterized in that: A construction monitoring point (5) is buried at the top of the slope of the foundation pit, and the construction monitoring point (5) includes a vertical displacement reference point, a surface deformation monitoring point, a building leveling reference point, an anchor borehole (1), an observation well (24) and a deep horizontal displacement monitoring point. The support of the foundation pit is provided with an anchor borehole (1), an anchor body (14) is arranged inside the anchor borehole (1), an anchor stress gauge (11) is fixedly connected to the surface of the anchor body (14), and the anchor stress gauge (11) is equipped with an instrument cable. (12), the end of the anchor borehole (1) is sealed with an orifice cover (13), the surface of the orifice cover (13) is penetrated by a slurry inlet pipe (16) and an exhaust pipe (17), one end of the slurry inlet pipe (16) and the exhaust pipe (17) are placed inside the anchor borehole (1), the anchor body (14) is penetrated by the surface of the orifice cover (13), an observation well (24) is opened at the top of the foundation pit, a steel pipe is fixedly installed inside the observation well (24), and a water level gauge is arranged on the inner wall of the steel pipe.

2. An intelligent construction monitoring device according to claim 1, characterized in that: An inclinometer tube is buried inside the deep horizontal displacement monitoring point, and an inclinometer is installed inside the inclinometer tube.

3. An intelligent construction monitoring device according to claim 2, characterized in that: A water level meter cable is integrally arranged at the end of the water level meter, and the water level meter is connected with a portable reading instrument via the water level meter cable.

4. The intelligent construction monitoring device according to claim 3, characterized in that: The foundation pit comprises a ground plane (2), a drainage ditch foundation pit (3) and a regulating reservoir foundation pit (4); the ground plane (2) comprises a fire station foundation pit (21); the fire station foundation pit (21) is composed of a slope top edge line (22) and a slope bottom edge line (23); a plurality of observation wells (24) are provided at the edge of the ground plane (2); the construction monitoring points (5) are distributed around the slope top edge line (22); the drainage ditch foundation pit (3) is composed of a pool top platform (31), a slope bottom line (32), a pool bottom edge line (33) and a slope top line (35); an inspection step (34) is provided between the slope bottom line (32) and the slope top line (35); the construction monitoring points (5) are distributed at one end of the inspection step (34) away from the slope bottom line (32); the regulating reservoir foundation pit (4) is composed of a pit bottom (41) and steel sheet piles (42); the construction monitoring points (5) are distributed around the steel sheet piles (42).

5. The intelligent construction monitoring device according to claim 3, characterized in that: The vertical displacement reference point and the building leveling base point are both installed with a level, the surface deformation monitoring point is installed with a total station, and the level, total station, inclinometer and portable reading instrument are connected to a PC for communication.

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