CN116026291A - Sinking verticality detection and control method for open caisson - Google Patents
Sinking verticality detection and control method for open caisson Download PDFInfo
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- CN116026291A CN116026291A CN202211665162.8A CN202211665162A CN116026291A CN 116026291 A CN116026291 A CN 116026291A CN 202211665162 A CN202211665162 A CN 202211665162A CN 116026291 A CN116026291 A CN 116026291A
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Abstract
The invention discloses a method for detecting and controlling sinking verticality of an open caisson, which belongs to the technical field of engineering construction and comprises the following steps: s1: embedding a fixing bolt into the open caisson main body before concrete pouring of the open caisson; s2: after the concrete strength of the open caisson reaches the design requirement, connecting and fixing the equipment installation platform with the embedded bolts; s3: the electronic bubble device and the Bluetooth transmission device are arranged on a device mounting platform, and circular bubbles are centered by adjusting a screw through a base; s4: four groups of jacking deviation correcting equipment are uniformly arranged along the circumferential direction of the open caisson main body; s5: after the data detected by the sinking verticality detection device of the open caisson is fed back to the jacking deviation correcting equipment, the jacking deviation correcting equipment can carry out jacking operation on the open caisson main body; s6: and digging soil and sinking the bottom of the open caisson according to the perpendicularity data. According to the invention, the perpendicularity detection device is arranged to realize real-time detection of the perpendicularity data of the open caisson, so that the construction speed of the open caisson is improved rapidly, and meanwhile, the construction quality of the open caisson is ensured.
Description
Technical Field
The invention belongs to the technical field of engineering construction, and particularly relates to a method for detecting and controlling sinking verticality of a sunk well.
Background
The open caisson construction is to use a shaft-shaped structure made of reinforced concrete on the ground in advance as a support for the pit wall of a foundation pit, mechanically and manually excavate soil in the well under the protection of the well wall, and sink the structure into the soil under the action of the self weight of the structure, namely the open caisson. Thus, the open caisson construction is essentially a construction process in which a structure, which has been cast in advance on the ground, is dug into the ground to a certain depth, and then becomes an underground structure.
The construction of the open caisson method ensures the relative stability of soil around the well body, but also has certain quality risks, such as stopping sinking of the well body, deflection of the well body, sinking stall, excessive sinking and the like in the open caisson process. In the prior art, the measure for coping with the well body deflection is to correct afterwards, and after the well body deflection is found, the overbreak correction is carried out on the deflection side. The traditional deviation rectifying method is that the deviation is rectified only after the deviation degree of a shaft is high, so that the deviation rectifying is difficult, and the deviation rectifying cost is high; the existing deviation correction belongs to passive deviation correction, has limited deviation correction effect, and can ensure that the successful probability of returning the well body to the vertical direction is not great.
Meanwhile, hidden danger in the aspect of construction safety exists in the sinking construction of the open caisson, along with the increase of the sinking depth of the open caisson, the perpendicularity detection difficulty of the open caisson main body is also increased, so that the danger of observers is greater and the instrument erection position is also less and less selected.
Disclosure of Invention
In order to solve the technical problems, the inventor obtains the technical scheme of the invention through practice and summary, and the invention discloses a method for detecting and controlling the sinking verticality of a sunk well, which comprises the following steps:
s1: embedding a fixing bolt into the open caisson main body before concrete pouring of the open caisson;
s2: after the concrete strength of the open caisson reaches the design requirement, connecting and fixing the equipment installation platform with the embedded bolts;
s3: the electronic bubble device and the Bluetooth transmission device are arranged on a device mounting platform, a base is used for adjusting a screw to center a circular bubble, the open caisson inclination angle data is output through a resistance data and inclination angle data conversion device, the output data is transmitted to a mobile phone of a constructor through the Bluetooth transmission device, and the data received by the mobile phone when the circular bubble is centered is 0 DEG 0'0';
s4: four groups of jacking deviation correcting equipment are uniformly arranged along the circumferential direction of the open caisson body and are supported on the ground excavated at the periphery of the open caisson body through annular supports;
s5: after the data detected by the sinking verticality detection device of the open caisson is fed back to the jacking deviation correcting equipment, the jacking deviation correcting equipment can carry out jacking operation on the open caisson main body;
s6: and digging soil and sinking the bottom of the open caisson according to the perpendicularity data.
Further preferably, in S3, the electronic bubble device includes a base, a conductive water column disposed above the base, a common electrode and a stainless steel electrode disposed at two sides of the conductive water column, and a bubble disposed at a central position of the conductive water column, and a sealing glass tube is installed outside the conductive water column.
Further preferably, in S4, the jacking deviation rectifying device includes a polytetrafluoroethylene slide plate type support, a top iron, a hydraulic rod, a hydraulic cylinder and a sizing block which are sequentially connected, one surface of the top iron, which is close to the open caisson main body, is a jacking surface, an embedded groove is formed in the jacking surface, and the polytetrafluoroethylene slide plate type support is embedded in the embedded groove.
Further preferably, one surface of the polytetrafluoroethylene sliding plate type support matched with the outer surface of the open caisson body is a jacking surface, and the jacking surface is in sliding connection with the outer surface of the open caisson body.
Further preferably, one end of the sizing block is connected with a cylinder body of the hydraulic cylinder, and the other end of the sizing block is fixedly connected with the annular bracket.
Further preferably, in S4, the ring-shaped support is made of i-steel.
Further preferably, in S5, the verticality detection device includes a device mounting platform, a base adjusting screw, an electronic bubble device, and a bluetooth transmission device, which are disposed on top of the device mounting platform, and a transmitting antenna connected to the bluetooth transmission device.
Compared with the prior art, the invention can obtain the following technical effects:
according to the invention, the perpendicularity detection device is arranged to realize real-time detection of the perpendicularity data of the open caisson, so that the construction speed of the open caisson is improved rapidly, meanwhile, the construction quality of the open caisson is guaranteed, and the hydraulic cylinders of all the jacking correction devices are controlled in time by acquiring the data of the perpendicularity detection device, so that the correction operation is effectively performed in the sinking process of a shaft section, the alarm can be timely given out, the correction difficulty caused by too late alarm can be prevented, the excessively frequent adjustment can be avoided, and the requirements of efficient construction and timely correction are met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic diagram illustrating the installation of a verticality detection device according to the present invention;
FIG. 3 is a schematic diagram of a verticality detecting device according to the present invention;
FIG. 4 is a schematic diagram of an electronic bubble device according to the present invention;
FIG. 5 is a schematic diagram illustrating installation of a jacking and rectifying device according to the present invention;
FIG. 6 is a schematic diagram showing the connection of the jacking deviation rectifying device and the open caisson body;
fig. 7 is a schematic structural diagram of a jacking deviation rectifying device in the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The principles of the invention will be further described with reference to the drawings and specific examples.
Examples
As shown in fig. 1-7, a method for detecting and controlling sinking verticality of a sunk well comprises the following specific steps:
s1: pre-burying a fixing bolt 12 into the open caisson main body 2 before the open caisson concrete is poured;
s2: after the concrete strength of the open caisson reaches the design requirement, connecting and fixing the equipment mounting platform 18 with the embedded bolts 11;
s3: the electronic bubble device 14 and the Bluetooth transmission device 15 are arranged on a device mounting platform 18, a circular bubble 17 is centered through a base adjusting screw 13, sinking well inclination angle data is output through a resistance data and inclination angle data conversion device, the output data is transmitted to a mobile phone of a constructor through the Bluetooth transmission device 15, and the data received by the mobile phone when the circular bubble 17 is centered is 0 DEG 0'0';
s4: four groups of jacking deviation correcting devices 3 are uniformly arranged along the circumferential direction of the open caisson main body 2, and are supported on the ground excavated at the periphery of the open caisson main body 3 through annular supports 4;
s5: after the data detected by the sinking verticality detection device 1 of the open caisson is fed back to the jacking deviation correcting equipment 3, the jacking deviation correcting equipment 3 can perform jacking operation on the open caisson main body 2;
s6: and digging soil and sinking the bottom of the open caisson according to the perpendicularity data.
The electronic bubble device 14 is composed of a base 141, a conductive water column 142, a common electrode 143, a stainless steel electrode 144 and bubbles 145, wherein the conductive water column 142 is arranged above the base 141, the common electrode 143 and the stainless steel electrode 144 are respectively positioned at the left side and the right side of the conductive water column 142, the bubbles are positioned at the central position of the conductive water column 142, and a sealing glass tube 146 is arranged outside the conductive water column 142; the jacking deviation correcting device 3 consists of a polytetrafluoroethylene sliding plate type support 31, a jacking iron 32, a hydraulic rod 33, a hydraulic cylinder 34 and a sizing block 35 which are sequentially connected, wherein one surface of the jacking iron 32, which is close to the open caisson body 2, is a jacking surface, an embedded groove is formed in the jacking surface, the polytetrafluoroethylene sliding plate type support 31 is embedded in the embedded groove, a sensor is arranged between the polytetrafluoroethylene sliding plate type support 31 and the groove bottom of the embedded groove, and meanwhile, one surface of the polytetrafluoroethylene sliding plate type support 31 matched with the outer surface of the open caisson body 2 is a jacking surface which is in sliding connection with the outer surface of the open caisson body 2; the side surface of the top iron 32 is provided with a connecting seat, the connecting seat is provided with a distance sensor, the distance sensor faces the axial direction of the open caisson main body 2, the distance between the distance sensor and the axial line of the open caisson main body 2 is larger than the distance between the top pressing surface of the top iron 32 and the axial line of the open caisson main body 2, the distance sensor and the film pressure sensor are connected with an electric control device through connecting lines, and meanwhile the electric control device is connected with the verticality detection device 1; one end of the sizing block 35 is connected with a cylinder body of the hydraulic cylinder 34, the other end of the sizing block is fixedly connected with the annular support 4, and the annular support 4 is made of I-steel; the sinking verticality detection device 1 of the sinking well is composed of an equipment mounting platform 18, a base adjusting screw 13 arranged on the top of the equipment mounting platform 18, an electronic bubble device 14, a Bluetooth transmission device 15 and a transmitting antenna 16 connected with the Bluetooth transmission device 15.
When the open caisson is poured, the base fixing bolts 12 are embedded, the equipment mounting platform 18 of the open caisson construction perpendicularity detection device 1 is connected with the embedded bolts 11 after the open caisson concrete strength meets the design requirement, then the base adjusting screw 13, the electronic bubble equipment 14 and the Bluetooth transmission equipment 15 are mounted, when the open caisson sinking construction procedure is carried out, if the open caisson is inclined, the electronic bubble equipment 14 can immediately detect the inclined condition and then can be quickly transmitted to a mobile phone of a constructor through the Bluetooth transmission equipment 15, so that on-site constructors can grasp open caisson perpendicularity data in real time.
Claims (7)
1. The method for detecting and controlling the sinking verticality of the open caisson is characterized by comprising the following steps:
s1: before the concrete of the open caisson is poured, embedding a fixing bolt (12) into the open caisson main body (2);
s2: after the concrete strength of the open caisson reaches the design requirement, connecting and fixing the equipment mounting platform (18) and the embedded bolts (11);
s3: electronic bubble equipment (14) and Bluetooth transmission equipment (15) are arranged on an equipment installation platform (18), a base is used for adjusting a screw (13) to center a circular bubble (17), sinking well inclination angle data are output through a resistance data and inclination angle data conversion device, the output data are transmitted to a mobile phone of a constructor through the Bluetooth transmission equipment (15), and the data received by the mobile phone when the circular bubble (17) is centered are 0 DEG 0'0';
s4: four groups of jacking deviation correcting equipment (3) are uniformly arranged along the circumferential direction of the open caisson main body (2), and are supported on the ground excavated at the periphery of the open caisson main body (2) through annular supports (4);
s5: after the data detected by the sinking verticality detection device (1) of the sinking well are fed back to the jacking deviation correcting equipment (3), the jacking deviation correcting equipment (3) can carry out jacking operation on the sinking well main body (2);
s6: and digging soil and sinking the bottom of the open caisson according to the perpendicularity data.
2. The method for detecting and controlling the sinking verticality of a sunk well according to claim 1, wherein the method comprises the following steps: in S3, the electronic bubble device (14) includes a base (141), a conductive water column (142) disposed above the base (141), a common electrode (143) and a stainless steel electrode (144) disposed at two sides of the conductive water column (142), and a bubble (145) disposed at a central position of the conductive water column (142), and a sealing glass tube (146) is mounted outside the conductive water column (142).
3. The method for detecting and controlling the sinking verticality of a sunk well according to claim 1, wherein the method comprises the following steps: in S4, jacking deviation rectifying equipment (3) is including polytetrafluoroethylene slide formula support (31), top iron (32), hydraulic rod (33), pneumatic cylinder (34) and sizing block (35) that connect gradually, the one side that top iron (32) is close to open caisson main part (2) is the roof pressure face, and has seted up the caulking groove on the roof pressure face, polytetrafluoroethylene slide formula support (31) inlay and locate in the caulking groove.
4. A method for detecting and controlling the sinking verticality of a sunk well according to claim 3, wherein: one surface of the polytetrafluoroethylene sliding plate type support (31) matched with the outer surface of the open caisson body (2) is a jacking surface, and the jacking surface is in sliding connection with the outer surface of the open caisson body (2).
5. The method for detecting and controlling the sinking verticality of a sunk well according to claim 4, wherein the method comprises the following steps: one end of the sizing block (35) is connected with the cylinder body of the hydraulic cylinder (34), and the other end of the sizing block is fixedly connected with the annular bracket (4).
6. The method for detecting and controlling the sinking verticality of a sunk well according to claim 1, wherein the method comprises the following steps: in S4, the annular support (4) is made of I-steel.
7. The method for detecting and controlling the sinking verticality of a sunk well according to claim 1, wherein the method comprises the following steps: in S5, the open caisson sinking verticality detection device (1) comprises an equipment installation platform (18), a base adjusting screw (13), an electronic bubble device (14) and a Bluetooth transmission device (15) which are arranged at the top of the equipment installation platform (18), and a transmitting antenna (16) connected with the Bluetooth transmission device (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211665162.8A CN116026291A (en) | 2022-12-23 | 2022-12-23 | Sinking verticality detection and control method for open caisson |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211665162.8A CN116026291A (en) | 2022-12-23 | 2022-12-23 | Sinking verticality detection and control method for open caisson |
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| CN116026291A true CN116026291A (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211665162.8A Pending CN116026291A (en) | 2022-12-23 | 2022-12-23 | Sinking verticality detection and control method for open caisson |
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| CN (1) | CN116026291A (en) |
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- 2022-12-23 CN CN202211665162.8A patent/CN116026291A/en active Pending
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