Deformation monitoring device and method for horizontal precast member cast-in-place site hoist formwork structure

Abstract

The application discloses a horizontal prefabricated component cast-in-place part hoist formwork structure deformation monitoring method, comprising the following steps: multiple transmitters are arranged below cast-in-place formworks of a cast-in-place part along a length direction of the cast-in-place part; multiple first receivers are arranged below laminated boards on one side of the cast-in-place part and correspond to the multiple transmitters one by one; multiple second receivers are arranged below laminated boards on the other side of the cast-in-place part and correspond to the multiple transmitters one by one; the transmission direction and the receiving direction of each corresponding transmitter, first receiver and second receiver are adjusted to be coaxial straight lines perpendicular to the length direction of the cast-in-place part; all the transmitters, first receivers and second receivers are electrically connected by a control device. Therefore, the cast-in-place part support over-tightness caused arching or the cast-in-place part support looseness caused slurry leakage problems in the cast-in-place process can be found in time, and the cast-in-place component size increase or decrease, slurry leakage and other quality risks are avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of building construction, in particular to a deformation monitoring device and method for a horizontal prefabricated component cast-in-place part formwork structure. BACKGROUND

[0002] A building assembled by prefabricated components is called a fabricated building. According to the form of prefabricated components and the construction method, there are five types of fabricated buildings, including block buildings, plate buildings, box buildings, skeleton plate buildings, and rising plate and layer buildings. Fabricated buildings have attracted people's interest since the early 20th century, and finally realized in the 1960s. The United Kingdom, France, and the Soviet Union were the first to try. Because of the fast construction speed and low production cost of fabricated buildings, they have been rapidly popularized around the world.

[0003] The prefabricated components of fabricated buildings have the advantages of industrialized production in factories, direct installation on site, convenience and speed, shortened construction period, guaranteed product quality, reduced material input, reduced rental costs, standardized production to save materials and reduce waste, high degree of mechanization to reduce labor costs and risks. In addition, the reduction of on-site work for fabricated buildings is beneficial to environmental protection. China's current design and acceptance related specifications are significantly lagging behind the construction technology, and the application field is quite limited; the use of embedded parts in buildings has increased significantly compared to traditional technology; the size requirements are limited by equipment during production; and if the production plant is too far from the construction site, transportation costs will increase.

[0004] Since 2015, the state has introduced a number of encouraging policies for fabricated buildings. Currently, all provinces, cities, and autonomous regions in China have issued documents indicating that they will develop fabricated buildings in the next 10 years and introduce related policies to support them, such as tax rate concessions, land support, and financial subsidies. In 2020, the provinces and cities that achieved a fabricated building proportion of more than 30% were Shanghai, Beijing, Shandong, Zhejiang, Jiangxi, and Sichuan. In 2020, the provinces and cities that achieved a fabricated building proportion of more than 15-20% were Jilin, Tianjin, Hebei, Jiangsu, and Anhui. The Implementation Opinion of the Beijing Municipal Government Office on Further Development of Fabricated Buildings was implemented on April 27, 2022, and it is clear that by 2025, fabricated buildings will account for 55% of new building area, and a modern building industry system characterized by standardized design, factory production, fabricated construction, integrated decoration, information management, and intelligent application will be basically established.

[0005] The cast-in-place beam or cast-in-place slab between the composite slab needs to be supported by formwork according to the traditional method, and concrete pouring is carried out after the formwork is completed.

[0006] The prior art has the following three deficiencies:

[0007] 1. Construction difficulty: When using support frame, whether using fastener type, wheel buckle type, bowl buckle type or disc buckle type support system, the module frame support has great difficulty. The cast-in-place part frame needs to be set up after the superimposed slab is hoisted, which has small operation space and is not conducive to construction.

[0008] 2. Construction quality is difficult to guarantee: If the cast-in-place part support is too tight, it will cause arching; if the cast-in-place part support is relatively loose, it is easy to cause slurry leakage; the construction quality is difficult to guarantee.

[0009] Beam elevation control is difficult, if the beam support is tight, the two end superimposed slabs are easily lifted, causing elevation error; if the beam support is loose, the superimposed slab and the cast-in-place beam position contact is not strict, and slurry leakage is easy to occur, the beam support method of this method requires high for the operator.(The same reason for the plate under)

[0010] 3. High construction cost: The cast-in-place part uses support frame, which increases the frame rental fee, labor cost, etc., and the cost is high; and the construction quality is not qualified, which needs to be repaired later, increasing labor cost, material cost and other costs.

[0011] 4. Lack of deformation monitoring of cast-in-place part: The arching caused by the cast-in-place part support being too tight or the slurry leakage caused by the cast-in-place part support being too loose during the cast-in-place process can only be completed by visual inspection of the construction personnel, which cannot be found in time, and it is difficult to guarantee the construction quality.

[0012] The information disclosed in this BACKGROUND section is only intended to increase an understanding of the general context of the present application and is not to be taken in any way as an acknowledgment or any form of suggestion that this information forms prior art that is already known in the art. SUMMARY

[0013] The purpose of the present application is to provide a deformation monitoring device and method for horizontal prefabricated component cast-in-place part hoisting mold structure, which can timely find the arching caused by the cast-in-place part support being too tight or the slurry leakage caused by the cast-in-place part support being too loose during the cast-in-place process, and will not cause the size of the cast-in-place component to increase or decrease, and the quality hidden danger of slurry leakage.

[0014] To achieve the above object, the application provides a deformation monitoring device for a hoisting formwork structure of a horizontal prefabricated component cast-in-place part, the hoisting formwork structure comprising a plurality of vertical screws, a plurality of mountain-shaped clamps, a plurality of secondary keels and a plurality of horizontal screws; the plurality of vertical screws are vertically and oppositely arranged on both sides of the cast-in-place part in the length direction of the cast-in-place part, and are evenly distributed along the length direction of the cast-in-place part; the upper end of each vertical screw is connected with the superimposed slab through a mountain-shaped clamp and a pair of steel pipes parallel to the length direction of the cast-in-place part; the lower end of each vertical screw is connected with a pair of steel pipes perpendicular to the length direction of the cast-in-place part through a mountain-shaped clamp; the plurality of secondary keels are arranged in parallel with the length direction of the cast-in-place part and are evenly spaced between the bottom plate of the cast-in-place formwork of the cast-in-place part and a pair of steel pipes perpendicular to the length direction of the cast-in-place part; the plurality of horizontal screws are vertically arranged on the side plates of the cast-in-place formwork on both sides of the cast-in-place part and are evenly spaced, and the two ends of each horizontal screw are connected with a pair of steel pipes extending along the length direction of the cast-in-place part through a mountain-shaped clamp; the deformation monitoring device comprises a plurality of transmitters, a plurality of first receivers and a plurality of second receivers; the plurality of transmitters are evenly spaced along the center line of the length direction of the cast-in-place part below the cast-in-place formwork of the cast-in-place part through fixing equipment, and each transmitter transmits a horizontal signal to both sides perpendicular to the length direction of the cast-in-place part; the plurality of first receivers are arranged below the superimposed slab on one side of the cast-in-place part along the length direction of the cast-in-place part and correspond to the plurality of transmitters through fixing equipment; the plurality of second receivers are arranged below the superimposed slab on the other side of the cast-in-place part along the length direction of the cast-in-place part and correspond to the plurality of transmitters through fixing equipment; wherein the first receiver and the second receiver are used to receive the horizontal signal transmitted by the transmitter; wherein the fixing equipment can be extended in the vertical direction and rotated about the vertical direction as the axis.

[0015] In a preferred embodiment, the distance between the first receiver and the transmitter is greater than the distance between the second receiver and the transmitter.

[0016] In a preferred embodiment, the deformation monitoring device for the hoisting formwork structure of the horizontal prefabricated component cast-in-place part further comprises a plurality of main keels, a plurality of auxiliary supports and a connecting support; the plurality of main keels are perpendicular to the length direction of the cast-in-place part, and are arranged in the length direction of the cast-in-place part above the plurality of vertical screws and abut on the lower planes of the plurality of secondary keels; the plurality of auxiliary supports are supported between the two ends of the lower plane of each main keel and the supporting ground, and each auxiliary support comprises an extension device; the connecting support is connected between the plurality of auxiliary supports in parallel or perpendicular to the length direction of the cast-in-place part.

[0017] To achieve the above object, the application further provides another deformation monitoring device for the hanging formwork structure of the horizontal prefabricated component cast-in-place part, which comprises a plurality of vertical screws, a top connecting piece, a plurality of mountain-shaped clamps and a secondary keel; the plurality of vertical screws are vertically and uniformly spaced at the center line of the cast-in-place part in the length direction; the top connecting piece is transversely arranged on the superimposed boards on both sides of the cast-in-place part, and the top of each vertical screw is connected to the middle part of the top connecting piece; the lower end of each vertical screw is connected to a pair of steel pipes perpendicular to the length direction of the cast-in-place part through a mountain-shaped clamp; the secondary keel is parallel to the length direction of the cast-in-place part and is arranged between the bottom plate of the cast-in-place formwork of the cast-in-place part and a pair of steel pipes perpendicular to the length direction of the cast-in-place part; the deformation monitoring device comprises a plurality of transmitters, a plurality of first receivers and a plurality of second receivers; the plurality of transmitters are uniformly spaced along the center line of the cast-in-place part in the length direction and are arranged below the cast-in-place formwork of the cast-in-place part through fixing equipment, and each transmitter transmits a horizontal signal to both sides perpendicular to the length direction of the cast-in-place part; the plurality of first receivers are arranged below the superimposed boards on one side of the cast-in-place part along the length direction of the cast-in-place part and correspond to the plurality of transmitters through fixing equipment; the plurality of second receivers are arranged below the superimposed boards on the other side of the cast-in-place part along the length direction of the cast-in-place part and correspond to the plurality of transmitters through fixing equipment; wherein the first receiver and the second receiver are used to receive the horizontal signal emitted by the transmitter; wherein the fixing equipment can be extended and retracted in the vertical direction and can rotate around the vertical direction as the axis.

[0018] In a preferred embodiment, the distance between the first receiver and the transmitter is greater than the distance between the second receiver and the transmitter.

[0019] In a preferred embodiment, the deformation monitoring device for the hanging formwork structure of the horizontal prefabricated component cast-in-place part further comprises a plurality of main keels, a plurality of auxiliary supports and a connecting support; the plurality of main keels are perpendicular to the length direction of the cast-in-place part and are arranged above the cast-in-place part in the length direction and are spaced from the plurality of vertical screws and are supported on the lower plane of the secondary keel; the plurality of auxiliary supports are supported between the two ends of the lower plane of each main keel and the ground, and each auxiliary support comprises an extension device; the connecting support is connected between the plurality of auxiliary supports in parallel or perpendicular to the length direction of the cast-in-place part; wherein the top connecting piece is a channel steel or an angle steel, and the top of each vertical screw is connected to the middle part of the channel steel or the angle steel through a nut; wherein the top connecting piece is a reinforcing bar, and the top of each vertical screw is welded to the middle part of the reinforcing bar.

[0020] To achieve the above object, the application further provides a deformation monitoring method for a horizontal prefabricated component cast-in-place position formwork structure, which uses the deformation monitoring device as described above. The deformation monitoring method comprises the following steps: arranging multiple transmitters at equal intervals along the center line of the cast-in-place position in the length direction of the cast-in-place position below the cast-in-place formwork of the cast-in-place position by means of a fixing device; arranging multiple first receivers corresponding to the multiple transmitters one by one below the composite board on one side of the cast-in-place position along the length direction of the cast-in-place position by means of the fixing device; arranging multiple second receivers corresponding to the multiple transmitters one by one below the composite board on the other side of the cast-in-place position along the length direction of the cast-in-place position by means of the fixing device; adjusting the transmission direction and the receiving direction of each corresponding transmitter, first receiver and second receiver to be coaxial straight lines perpendicular to the length direction of the cast-in-place position by means of the horizontal instrument and the fixing device; and electrically connecting all the transmitters, first receivers and second receivers by means of the control device, and confirming that each corresponding first receiver and second receiver can receive the horizontal signals transmitted by the transmitters.

[0021] In a preferred embodiment, the deformation monitoring method for the horizontal prefabricated component cast-in-place position formwork structure further comprises the following steps: when each corresponding first receiver and second receiver can receive the horizontal signals transmitted by the transmitters, the first receiver and the second receiver display green signals; when one of each corresponding first receiver and second receiver cannot receive the horizontal signals transmitted by the transmitters, the first receiver or the second receiver that cannot receive the horizontal signals displays a yellow signal and emits a first warning sound; and when each corresponding first receiver and second receiver cannot receive the horizontal signals transmitted by the transmitters, the first receiver and the second receiver that cannot receive the horizontal signals both display red signals and emit a second warning sound.

[0022] In a preferred embodiment, the signal receiving range of the first receiver and the second receiver comprises a first set value and a second set value, and the range of the first set value is smaller than the range of the second set value.

[0023] In a preferred embodiment, the signal receiving range of the first set value is within 3 mm up and down, and the signal receiving range of the second set value is within 5 mm up and down.

[0024] Compared with the prior art, the deformation monitoring device and method of the horizontal prefabricated component cast-in-place position formwork structure of the application have the following beneficial effects: firstly, the formwork structure can make the cast-in-place joint form an integral force cooperation, and is beneficial to elevation control, and will not cause the size of the cast-in-place component to increase or decrease, and quality problems such as slurry leakage; secondly, the construction difficulty of the operator can be reduced, the traditional construction method has high requirements for the construction level of the operator, and after the method is adopted, only simple fixing is needed to achieve good fixing effect and improve the engineering quality. The deformation monitoring device and method can timely find the problems of upwarping caused by the cast-in-place position support being too tight or slurry leakage caused by the cast-in-place position support being too loose in the cast-in-place process, and will not cause the size of the cast-in-place component to increase or decrease, and quality problems such as slurry leakage, thereby greatly guaranteeing the construction quality. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a top view schematic diagram of the formwork structure according to an embodiment of the application;

[0026] Figure 2 is a bottom view schematic diagram of the formwork structure according to an embodiment of the application;

[0027] Figure 3 is a front view schematic diagram of the formwork structure and the monitoring device according to an embodiment of the application;

[0028] Figure 4 is a front view schematic diagram of the auxiliary support according to an embodiment of the application;

[0029] Figure 5 is a front view schematic diagram of the channel steel formwork structure and the monitoring device according to another embodiment of the application;

[0030] Figure 6 is a side view schematic diagram of the channel steel formwork structure and the monitoring device according to another embodiment of the application;

[0031] Figure 7 is a front view schematic diagram of the steel bar formwork structure and the monitoring device according to another embodiment of the application;

[0032] Figure 8 is a side view schematic diagram of the steel bar formwork structure and the monitoring device according to another embodiment of the application;

[0033] Figure 9 is Figure 8 an enlarged schematic diagram of I in FIG. 1;

[0034] Figure 10 is a bottom view schematic diagram of the monitoring device setting mode according to an embodiment of the application.

[0035] MAIN REFERENCE NUMERALS EXPLANATION:

[0036] 10 - independent support, 101 - telescopic device, 102 - tripod leg, 20 - composite slab, 30 - cast-in-place formwork, 40 - cast-in-place part, 50 - formwork structure, 501 - mountain clamp, 502 - vertical screw rod, 503 - nut, 504 - steel pipe, 505 - main keel, 506 - secondary keel, 507 - auxiliary support, 508 - transverse screw rod, 509 - channel steel or angle steel, 510 - steel bar, 511 - connecting support, 60 - monitoring device, 601 - transmitter, 602 - first receiver, 603 - second receiver, 604 - fixing device. DETAILED DESCRIPTION

[0037] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of protection of the present application is not limited by the specific embodiments.

[0038] Unless otherwise clearly indicated, throughout the specification and claims, the terms "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or group of elements but not the exclusion of any other element or group of elements.

[0039] As Figures 1 to 3 shown, a deformation monitoring device 60 of a formwork structure 50 of a cast-in-place part of a horizontal prefabricated component according to a preferred embodiment of the present application, the formwork structure 50 comprises a plurality of vertical screw rods 502, a plurality of mountain clamps 501, a plurality of secondary keels 506 and a plurality of transverse screw rods 508; the plurality of vertical screw rods 502 are arranged vertically and in opposition to the composite slab 20 on both sides of the cast-in-place part 40 in the length direction, and the plurality of vertical screw rods 502 are uniformly distributed along the length direction of the cast-in-place part 40; the upper end of each vertical screw rod 502 is connected to the composite slab 20 through a mountain clamp 501, a nut 503 and a pair of steel pipes parallel to the length direction of the cast-in-place part 40, and the lower end of each vertical screw rod 502 is connected to a pair of steel pipes perpendicular to the length direction of the cast-in-place part 40 through a mountain clamp 501 and a nut 503; the plurality of secondary keels 506 are arranged in parallel to the length direction of the cast-in-place part 40 and uniformly spaced between the bottom plate of the cast-in-place formwork 30 of the cast-in-place part 40 and a pair of steel pipes perpendicular to the length direction of the cast-in-place part 40; the plurality of transverse screw rods 508 are arranged in perpendicular to the length direction of the cast-in-place part 40 and uniformly spaced on the side plates of the cast-in-place formwork 30 on both sides of the cast-in-place part 40, and both ends of each transverse screw rod 508 are connected to a pair of steel pipes extending in the length direction of the cast-in-place part 40 through a mountain clamp 501 and a nut 503.

[0040] Please refer to Figure 3In some embodiments, the deformation monitoring device comprises a plurality of transmitters 601, a plurality of first receivers 602, and a plurality of second receivers 603; the plurality of transmitters 601 are evenly spaced along the center line of the cast-in-place part in the length direction of the cast-in-place part by the fixing device 604 and are arranged below the cast-in-place formwork of the cast-in-place part, each transmitter 601 emits a horizontal signal to both sides perpendicular to the length direction of the cast-in-place part; the plurality of first receivers 602 are arranged below the composite slab on one side of the cast-in-place part by the fixing device 604 along the length direction of the cast-in-place part and correspond to the plurality of transmitters 601; the plurality of second receivers 603 are arranged below the composite slab on the other side of the cast-in-place part by the fixing device 604 along the length direction of the cast-in-place part and correspond to the plurality of transmitters 601; wherein the first receiver 602 and the second receiver 603 are used to receive the horizontal signal emitted by the transmitter 601; wherein the fixing device 604 can be extended in the vertical direction and rotated about the vertical direction as the axis.

[0041] As shown in FIG. 6, in some embodiments, the deformation monitoring device 60 of the hanging formwork structure of the cast-in-place part of the horizontal prefabricated component further comprises a plurality of main keels 505, the main keels 505 are perpendicular to the length direction of the cast-in-place part 40, and are arranged above the plurality of vertical screws 502 in the length direction of the cast-in-place part 40 and abut on the lower planes of the plurality of secondary keels 506. Figure 4

[0042] In some embodiments, the deformation monitoring device 60 of the hanging formwork structure of the cast-in-place part of the horizontal prefabricated component further comprises a plurality of auxiliary supports 507, the auxiliary supports 507 are supported between the lower planes of each main keel 505 and the ground, and each auxiliary support 507 comprises a telescopic device 101, which mainly assists the adjustment of the height of the auxiliary support 507.

[0043] In some embodiments, the deformation monitoring device of the hanging formwork structure of the cast-in-place part of the horizontal prefabricated component further comprises a connecting support 511, which is connected between the plurality of auxiliary supports 507 in parallel or perpendicular to the length direction of the cast-in-place part 40.

[0044] In some embodiments, the main keel 505 and the secondary keel 506 are mainly made of wood materials, such as square wood strips or square wood purlins. The main keel 505 is mainly an auxiliary support 507, and the vertical screw 502 and the horizontal screw 508 are mainly connected to two parallel steel pipes through the mountain-shaped clamp 501 and the nut 503. The hanging formwork structure of the present embodiment is mainly used for the construction of the cast-in-place beam.

[0045] As shown in FIG. 6, in some embodiments, the deformation monitoring device 60 of the hanging formwork structure of the cast-in-place part of the horizontal prefabricated component further comprises a plurality of main keels 505, the main keels 505 are perpendicular to the length direction of the cast-in-place part 40, and are arranged above the plurality of vertical screws 502 in the length direction of the cast-in-place part 40 and abut on the lower planes of the plurality of secondary keels 506. Figures 5 to 8 ​To achieve the above object, the present application provides another deformation monitoring device 60 of the horizontal prefabricated component cast-in-place site hanging formwork structure 50, which comprises a plurality of vertical screw rods 502, a top connecting piece, a plurality of mountain-shaped clamps 501 and nuts 503, and a secondary keel 506; the plurality of vertical screw rods 502 are vertically and uniformly spaced at the middle line of the cast-in-place site 40 in the length direction; the top connecting piece is transversely arranged on the superimposed slab 20 on both sides of the cast-in-place site 40 in the length direction, and the top of each vertical screw rod 502 is connected to the middle part of the top connecting piece; the lower end of each vertical screw rod 502 is connected to a pair of steel pipes 504 perpendicular to the length direction of the cast-in-place site 40 through a mountain-shaped clamp 501 and a nut 503; the secondary keel 506 is arranged in parallel with the length direction of the cast-in-place site 40 and is oppositely supported between the bottom plate of the cast-in-place formwork 30 of the cast-in-place site 40 and a pair of steel pipes perpendicular to the length direction of the cast-in-place site 40. The hanging formwork structure 50 of the present embodiment is mainly used for the construction of cast-in-place slabs, and the deformation monitoring device 60 of the present embodiment is used for monitoring the deformation of the cast-in-place slabs. Figures 3 to 4 The embodiments are basically the same, and thus will not be described in detail.

[0046] Please refer to Figure 4 In some embodiments, the deformation monitoring device 60 of the horizontal prefabricated component cast-in-place site hanging formwork structure 50 further comprises a plurality of main keels 505, which are perpendicular to the length direction of the cast-in-place site 40 and are arranged in the length direction of the cast-in-place site 40 above the plurality of vertical screw rods 502 and abut against the lower plane of the secondary keel 506.

[0047] In some embodiments, the deformation monitoring device 60 of the horizontal prefabricated component cast-in-place site hanging formwork structure 50 further comprises a plurality of auxiliary supports 507 and a connecting support 511; the plurality of auxiliary supports 507 are supported between the two ends of the lower plane of each main keel 505 and the ground, and each auxiliary support 507 comprises a telescopic device 101, which mainly assists in adjusting the height of the auxiliary support 507; the connecting support 511 is connected between the plurality of auxiliary supports 507 in parallel or perpendicular to the length direction of the cast-in-place site 40.

[0048] In some embodiments, the top connecting piece is a channel steel or an angle steel 509, and the top of each vertical screw rod 502 is connected to the channel steel or the angle steel 509 through the nut 503. Alternatively, the top connecting piece is a steel bar, and the top of each vertical screw rod 502 is welded to the middle part of the steel bar.

[0049] In some embodiments, the spacing between the vertical screw 502 and the main keel 505 can be understood as a one-to-one arrangement, or it can be understood as a vertical screw 502 being arranged at intervals of two, three, or more main keels 505 to connect with the mountain-shaped clamp 501, nut 503, and double steel pipe, or conversely, a main keel 505 and auxiliary support 507 being arranged at intervals of two, three, or more vertical screws 502. The present invention is not limited thereto.

[0050] In some embodiments, the connecting support 511 is not only disposed between multiple auxiliary supports 507, but also between the auxiliary supports 507 and the independent supports 10 of the support stack 20, which would be more stable. Similarly, each auxiliary support 507 may also include a tripod leg 102 like the independent support 10, which can also increase the stability of the support. In addition, each independent support 10 also has a telescopic device 101 that can adjust the support height. Generally, the independent support 10 and the auxiliary support 507 are preferably supported by tripod legs 102.

[0051] like Figures 9 to 10 As shown, see also Figures 3 to 8 To achieve the above objectives, the present invention also provides a deformation monitoring method for the cast-in-place section of a horizontal precast component using a suspended formwork structure. This method employs the aforementioned deformation monitoring device 60. The deformation monitoring method includes: below the cast-in-place formwork of the cast-in-place section, a plurality of transmitters 601 are evenly spaced along the centerline of the length direction of the cast-in-place section using a fixing device 604; below the composite slab on one side of the cast-in-place section, a plurality of first receivers 602 are correspondingly arranged along the length direction of the cast-in-place section to the plurality of transmitters 601 using a fixing device 604; below the composite slab on the other side of the cast-in-place section, a plurality of first receivers 602 are arranged along the length direction of the cast-in-place section using a fixing device 604; and below the composite slab on the other side of the cast-in-place section, a plurality of first receivers 602 are arranged... The fixed device 604 is equipped with multiple second receivers 603 corresponding to multiple transmitters 601 along the length of the cast-in-place section. The transmitting and receiving directions of each group of corresponding transmitters 601, first receivers 602 and second receivers 603 are adjusted to be coaxial straight lines perpendicular to the length of the cast-in-place section by using a leveling instrument and fixing device. All transmitters 601, first receivers 602 and second receivers 603 are electrically connected to the control device, and it is confirmed that each group of corresponding first receivers 602 and second receivers 603 can receive the horizontal signal emitted by the transmitter 601.

[0052] In some embodiments, the deformation monitoring method for the suspended formwork structure of the cast-in-place part of the horizontal precast component further includes: when both the first receiver 602 and the second receiver 603 in each group can receive the horizontal signal emitted by the transmitter 601, the first receiver 602 and the second receiver 603 display a green signal; when one of the first receiver 602 and the second receiver 603 in each group fails to receive the horizontal signal emitted by the transmitter 601, the first receiver 602 or the second receiver 603 that fails to receive the horizontal signal displays a yellow signal and emits a first warning sound; and when neither the first receiver 602 nor the second receiver 603 in each group receives the horizontal signal emitted by the transmitter 601, both the first receiver 602 and the second receiver 603 that fails to receive the horizontal signal display a red signal and emit a second warning sound.

[0053] In some embodiments, the signal reception ranges of the first receiver 602 and the second receiver 603 include a first set value and a second set value, wherein the range of the first set value is smaller than the range of the second set value. The signal reception range of the first set value is within 3 mm above and below the set value, and the signal reception range of the second set value is within 5 mm above and below the set value.

[0054] In some implementations, the monitoring program may also be configured such that when a horizontal signal received by a first receiver 602 or a second receiver 603 exceeds a first preset value, the first receiver 602 or the second receiver 603 displays a yellow signal and emits a first warning sound; when a horizontal signal received by a first receiver 602 or the second receiver 603 exceeds a second preset value, the first receiver 602 or the second receiver 603 displays a red signal and emits a second warning sound; the first warning sound may be more urgent or louder than the second warning sound.

[0055] In some embodiments, the arrangement of each group of transmitters 601, first receivers 602, and second receivers 603 in the deformation monitoring device can take various forms. For example, they can be evenly spaced along the length of the cast-in-place section, with the density determined by actual needs or calculations. They can be spaced between two groups of vertical screws 502, or one can be placed every few groups of vertical screws 502, or multiple can be placed between two groups of vertical screws 502. More can be placed at important locations. The transmitters and receivers can be monitoring instruments such as laser sensors, or any sensors capable of transmitting and receiving signals and monitoring deviations in this deformation monitoring device. This invention is not limited to any particular type.

[0056] Furthermore, the transmitter can be a sensor similar to a readout reader, and the receiver can be a scale-like marker, or it can be understood that the receiver has readings, such as values ​​from top to bottom like 2.5, 2, 1.5, 1, 0.5, 0, -0.5, -1.0, -1.5, -2.0, -2.5. The transmitter reads the values ​​via laser. Under normal circumstances, a green light is displayed when 0 is read, a yellow light when 1.5 is read, a red light when 2.5 is read, and so on. This can reflect the vertical position change of the transmitter, thereby allowing for real-time monitoring of the degree of deformation. The foregoing is merely exemplary, and the present invention is not limited thereto.

[0057] In summary, the deformation monitoring device and method for the suspended formwork structure of the cast-in-place section of the horizontal precast component of the present invention has the following advantages: First, this suspended formwork structure can form a unified force-bearing structure at the cast-in-place joint, and it is also conducive to elevation control, preventing the cast-in-place component from increasing or decreasing in size, or causing quality hazards such as grout leakage. Second, it can reduce the construction difficulty for operators. Traditional construction methods require high operator skill levels, while this method only requires simple fixing to achieve a good fixing effect, improving project quality. The deformation monitoring device and method can promptly detect problems such as arching caused by excessively tight supports in the cast-in-place section or grout leakage caused by loose supports during the cast-in-place process, preventing the cast-in-place component from increasing or decreasing in size, or causing quality hazards such as grout leakage, thus providing a great guarantee for ensuring construction quality.

[0058] The foregoing description of specific exemplary embodiments of the invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the invention to the precise forms disclosed, and it will be apparent that many changes and variations can be made in accordance with the foregoing teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application, thereby enabling those skilled in the art to implement and utilize various different exemplary embodiments of the invention, as well as various different choices and variations. The scope of the invention is intended to be defined by the claims and their equivalents.

Claims

1. A deformation monitoring device for the suspended formwork structure of the cast-in-place portion of a horizontal precast component, characterized in that, The suspended formwork structure includes: Multiple vertical screws are arranged perpendicular to the composite slab and supporting each other on both sides of the length of the cast-in-place section, and the multiple vertical screws are evenly distributed along the length of the cast-in-place section; Multiple mountain-shaped clamps are provided. The upper end of each vertical screw is connected to the composite slab through one mountain-shaped clamp and a pair of steel pipes parallel to the length direction of the cast-in-place part. The lower end of each vertical screw is connected to a pair of steel pipes perpendicular to the length direction of the cast-in-place part through one mountain-shaped clamp. Multiple secondary joists, parallel to and evenly spaced along the length of the cast-in-place section, are positioned between the base plate of the cast-in-place formwork and the pair of steel pipes perpendicular to the length of the cast-in-place section; and Multiple transverse screws are perpendicular to the length direction of the cast-in-place section and are evenly spaced through the side plates of the cast-in-place formwork on both sides of the cast-in-place section. Each transverse screw is connected at both ends to a pair of steel pipes extending along the length direction of the cast-in-place section through a U-shaped clamp. The deformation monitoring device includes: Multiple transmitters are evenly spaced below the cast-in-place formwork of the cast-in-place section along the centerline of the length direction of the cast-in-place section by a fixing device, and each transmitter emits horizontal signals to both sides perpendicular to the length direction of the cast-in-place section. Multiple first receivers, which are fixedly arranged along the length of the cast-in-place section and corresponding one-to-one with the multiple transmitters, are positioned below the composite slab on one side of the cast-in-place section; and Multiple second receivers are fixed along the length of the cast-in-place section and are positioned below the composite slab on the other side of the cast-in-place section, corresponding one-to-one with the multiple transmitters, via a fixing device. The first receiver and the second receiver are used to receive the horizontal signal emitted by the transmitter; The fixing device is capable of extending and retracting in the vertical direction and rotating about the vertical axis.

2. The deformation monitoring device for the suspended formwork structure of the cast-in-place portion of a horizontal precast component as described in claim 1, characterized in that, The distance between the first receiver and the transmitter is greater than the distance between the second receiver and the transmitter.

3. The deformation monitoring device for the suspended formwork structure of the cast-in-place portion of a horizontal precast component as described in claim 1, characterized in that, Also includes: Multiple main keels are perpendicular to the length direction of the cast-in-place section, and are spaced apart from the multiple vertical screws above the length direction of the cast-in-place section and abut against the lower plane of the multiple secondary keels. Multiple auxiliary supports are provided between the two ends of the lower plane of each main keel and the ground, and each auxiliary support includes a telescopic device. as well as Connecting supports are provided, which are connected between the multiple auxiliary supports in a manner parallel or perpendicular to the length direction of the cast-in-place portion.

4. A deformation monitoring device for the suspended formwork structure of the cast-in-place portion of a horizontal precast component, characterized in that, The suspended formwork structure includes: Multiple vertical screws are set perpendicularly to the composite slab and at even intervals along the centerline of the length of the cast-in-place section; A top connector is provided perpendicularly to the length direction of the cast-in-place part and spans the composite plate on both sides of the cast-in-place part, and the top of each vertical screw is connected to the middle of the top connector. Multiple U-shaped clamps, the lower end of each of the vertical screws is connected to a pair of steel pipes perpendicular to the length direction of the cast-in-place section via one of the U-shaped clamps; and The secondary keel is parallel to the length direction of the cast-in-place part and is set between the bottom plate of the cast-in-place formwork of the cast-in-place part and the pair of steel pipes perpendicular to the length direction of the cast-in-place part. The deformation monitoring device includes: Multiple transmitters are evenly spaced below the cast-in-place formwork of the cast-in-place section along the centerline of the length direction of the cast-in-place section by a fixing device, and each transmitter emits horizontal signals to both sides perpendicular to the length direction of the cast-in-place section. Multiple first receivers, which are fixedly arranged along the length of the cast-in-place section and corresponding one-to-one with the multiple transmitters, are positioned below the composite slab on one side of the cast-in-place section; and Multiple second receivers are fixed along the length of the cast-in-place section and are positioned below the composite slab on the other side of the cast-in-place section, corresponding one-to-one with the multiple transmitters, via a fixing device. The first receiver and the second receiver are used to receive the horizontal signal emitted by the transmitter; The fixing device is capable of extending and retracting in the vertical direction and rotating about the vertical axis.

5. The deformation monitoring device for the suspended formwork structure of the cast-in-place portion of a horizontal precast component as described in claim 4, characterized in that, The distance between the first receiver and the transmitter is greater than the distance between the second receiver and the transmitter.

6. The deformation monitoring device for the suspended formwork structure of the cast-in-place portion of a horizontal precast component as described in claim 4, characterized in that, Also includes: Multiple main keels are perpendicular to the length direction of the cast-in-place section, and are spaced apart from the multiple vertical screws above the length direction of the cast-in-place section and abut against the lower plane of the secondary keel. Multiple auxiliary supports are provided between the two ends of the lower plane of each main keel and the ground, and each auxiliary support includes a telescopic device. as well as Connecting supports are provided, which are connected between the multiple auxiliary supports in a manner parallel or perpendicular to the length direction of the cast-in-place portion. The top connector is a channel steel or an angle steel, and the top of each vertical screw is connected to the channel steel or the angle steel by a nut; The top connector is a reinforcing bar, and the top of each vertical screw is welded to the middle of the reinforcing bar.

7. A method for monitoring the deformation of a suspended formwork structure in the cast-in-place section of a horizontal precast component, comprising using the deformation monitoring device as described in any one of claims 1 to 3 or 4 to 6, characterized in that, The deformation monitoring method includes: Below the cast-in-place formwork of the cast-in-place section, multiple emitters are evenly spaced along the centerline of the length direction of the cast-in-place section by means of a fixing device; Below the composite slab on one side of the cast-in-place section, a plurality of first receivers are set along the length of the cast-in-place section, corresponding one-to-one with the plurality of transmitters, by means of fixing equipment; Below the composite slab on the other side of the cast-in-place section, multiple second receivers are installed along the length of the cast-in-place section, corresponding one-to-one with the multiple transmitters, using fixing equipment. The transmitting and receiving directions of each corresponding transmitter, first receiver, and second receiver are adjusted using a leveling instrument and the fixed equipment to form a coaxial straight line perpendicular to the length direction of the cast-in-place section; and All transmitters, the first receiver, and the second receiver are electrically connected via a control device, and it is confirmed that each corresponding first receiver and second receiver can receive the horizontal signal emitted by the transmitter.

8. The deformation monitoring method for the suspended formwork structure of the cast-in-place portion of a horizontal precast component as described in claim 7, characterized in that, Also includes: When both the first and second receivers in each group can receive the horizontal signal emitted by the transmitter, the first and second receivers display a green signal. When either the first receiver or the second receiver in each group fails to receive the horizontal signal emitted by the transmitter, the first receiver or the second receiver that fails to receive the horizontal signal displays a yellow signal and emits a first warning sound; and When neither the first receiver nor the second receiver in each group receives the horizontal signal emitted by the transmitter, both the first receiver and the second receiver that fail to receive the horizontal signal display a red signal and emit a second warning sound.

9. The deformation monitoring method for the suspended formwork structure of the cast-in-place portion of a horizontal precast component as described in claim 7, characterized in that, The signal reception range of the first receiver and the second receiver includes a first set value and a second set value, wherein the range of the first set value is smaller than the range of the second set value.

10. The deformation monitoring method for the suspended formwork structure of the cast-in-place portion of a horizontal precast component as described in claim 9, characterized in that, The signal reception range of the first setting value is within 3mm above and below, and the signal reception range of the second setting value is within 5mm above and below.

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