KR102620800B1 - Pre-piling construction method of offshore jacket foundation structure using surveying templete and the surveying templete thereof - Google Patents

Abstract

The present invention relates to a prepiling basic marine jacket construction method using a survey template and the survey template. For this purpose, a template body that supports the components of the survey template as the body of the survey template, a template leg that extends downward from the template body and is partially or fully inserted into the interior of the jacket pile buried in water, and a predetermined structure of the template leg a template holder configured at a mounting height that is in contact with the head of the jacket pile so that the survey template is supported on the head of the jacket pile; An upper sensor unit configured at an upper height spaced apart from the mounting height by an upper interval along the template leg and configured to obtain upper distance information, which is information about the distance from the template leg to the inner wall of the jacket pile at the upper height, and a template leg from the upper height A lower sensor unit configured at a lower height spaced apart by the lower interval along the lower height and configured to acquire lower distance information, which is information about the distance from the template leg to the inner wall of the jacket pile, at the lower height, configured on one side of the survey template, and a template body A tilt sensor unit configured to obtain template tilt information, which is information about the tilt of the normal line of the horizontal plane with respect to the vertical direction, and a communication module configured to transmit the upper distance information, lower distance information, and template tilt information to an external computing device. A survey template may be provided.

Description

Pre-piling construction method of offshore jacket foundation structure using surveying template and the surveying template thereof}

The present invention relates to a prepiling basic marine jacket construction method using a survey template and the survey template.

When constructing existing offshore jacket foundation structures, the post-piling method was mainly used, which involves mounting the jacket foundation structure on the sea floor and then constructing piles. Figure 1 is a schematic diagram showing the construction steps of the post piling method. As shown in Figure 1, the general construction stage of the post piling method is a jacket mounting stage in which the jacket is mounted on the sea floor using a marine crane, etc., and the jacket pile is driven through the inside of the leg of the jacket while mounted with a marine crane. A jacket pile driving step that secures the jacket pile to the ground, a rock excavation step that excavates through the inside of the jacket pile to the bedrock, and a pin pile insertion and grouting to secure the pin pile, jacket pile, legs, and ground to each other. Includes fixation step. This type of post-piling has the disadvantage of relatively long equipment mobilization period and waiting time because all processes are performed continuously, and related equipment is continuously required while multiple jackets are being constructed. In addition, since the pile is constructed inside the jacket leg, there is a problem in that it is impossible to design the jacket leg and the pile independently.

Accordingly, in the field of offshore wind power generation, a new pre-piling method, which involves first constructing piles and then mounting the jacket foundation structure, has been developed and applied. The general construction stages of the prepiling method include the preparatory stage of performing preparatory work such as leveling the seafloor, the pile construction stage of placing a template on the seafloor and constructing piles using it as a guide, and attaching the jacket to the completed pile. It includes a grouting step to join the pile and jacket by performing grouting. Figure 2 is a schematic diagram showing a prepiling template and a horizontal measuring device used in the prepiling method, and Figure 3 is a photograph showing a prepiling template installation jack-up barge used in the prepiling method. As shown in Figures 2 and 3, this pre-piling method has advantages compared to the post-piling method, such as shortening the construction period, shortening the period of use of marine equipment, and reducing materials used in basic structures, but it requires installing a template on the sea floor. There is a disadvantage in that the cost of the device increases because it is performed and high-precision underwater measuring equipment and mechanical equipment are used.

In addition, with regard to the disadvantages of the pre-piling method that arise from the slope of the sea floor, Figure 4 is a schematic diagram showing a pre-piling template equipped with an angle adjustment device. As shown in FIG. 4, the existing prepiling template had the disadvantage of having to separately provide an angle adjustment device, which is a complex mechanical device that operates underwater, in order to respond to the slope of the seafloor.

In addition, the pre-piling method was developed to be applied to the driving steel pipe pile method, so it had the disadvantage of lowering applicability in conditions where piles must be constructed by excavating rocky ground. Figure 5 is a schematic diagram showing a pile driving operation generally applied to a pre-piling underwater template. As shown in Figure 5, the driving steel pipe pile construction steps in the existing prepiling template include a template mounting step of mounting the template on the seabed, a pile mounting step of mounting a steel pipe pile through the pile guide of the template, and a steel pipe pile using a driving hammer. It includes a pile penetration stage in which the pile is penetrated and penetration is carried out until the pile head reaches the predetermined level underwater, and a recovery stage in which the driving hammer is recovered. At this time, it is applicable in cases where the thickness and strength of the soil layer, which is one of the ground conditions, is sufficient to construct piles up to the stratum where driving is possible. However, if the thickness or strength of the soil layer is not sufficient and it is necessary to drive piles into the rock layer, it is applicable. It has the disadvantage of requiring separate equipment and construction steps for excavating and installing piles. In particular, in the case of driving hammers, it is possible to supply underwater driving equipment, but in the case of rock excavation equipment, it is not universal and has the disadvantage of making appropriate supply difficult.

In application number 10-2020-0126961, an improved pre-piling construction method and construction device for constructing jacket piles and pin piles without a guide template during pile construction has been proposed. Figure 6 is a schematic diagram showing an improved pre-piling construction device. The improved pre-piling construction device (1) is a jig that serves as a guide and workbench during construction, and is installed on the main barge of the jack-up barge so that the jacket pile construction location is located inside. Consisting of a water jig (10); A casing guide 30, which is a pile guide configured at a position corresponding to the jacket pile construction position at the top of the water jig and configured with an insertion hole through which a pile passes; It is a hollow cylindrical configuration that is inserted into the insertion hole of the casing guide and installed perpendicularly to the floating jig, and may include a casing 40, one end of which is penetrated into the seabed and fixed perpendicularly to the floating jig. According to this improved construction method, compared to the existing pre-piling method, templates and measuring equipment installed underwater are replaced with jigs and general surveying equipment installed on the water, resulting in cost reduction, increased workability, and improved accuracy.

However, in the case of the improved pre-piling construction method, there is a problem in that reliability of the position and verticality of the pile is not secured because the pile is installed without a guide. Therefore, the jacket installed on the pile may not match the pile and have an error, which may result in the problem that the stability of the constructed jacket is not secured. Accordingly, there is a problem that it is difficult to fully obtain the improved effect of the improved pre-piling construction method.

Republic of Korea registered patent 10-1756755, impact safety evaluation system and method of leveling tools for offshore wind power generators Republic of Korea registered patent 10-1376785, horizontal control system of transition piece

Therefore, the purpose of the present invention is to determine the construction status of the jacket pile buried in the water while applying the free piling method, and to adjust the legs of the jacket to suit the condition of the constructed jacket pile, so that the jacket coupled to the upper part of the jacket pile is The purpose is to provide construction methods and survey templates that enable stable installation.

Hereinafter, specific means for achieving the purpose of the present invention will be described.

An object of the present invention is to provide a survey template for pre-piling construction of a marine jacket foundation structure, comprising: a template body supporting components of the survey template as the body of the survey template; a template leg extending downward from the template body and partially or entirely inserted into the jacket pile buried in water; a template holder configured at a mounting height that is a predetermined height of the template leg, and configured to contact the head of the jacket pile and support the survey template on the head of the jacket pile; An upper sensor unit configured at an upper height spaced apart from the mounting height by an upper interval along the template leg and configured to obtain upper distance information, which is information about the distance from the template leg to the inner wall of the jacket pile at the upper height; A lower sensor unit configured at a lower height spaced apart from the upper height by a lower interval along the template leg and configured to obtain lower distance information, which is information about the distance from the template leg to the inner wall of the jacket pile at the lower height; A tilt sensor unit configured on one side of the survey template and configured to obtain template tilt information, which is information about a tilt formed by a normal line of the horizontal surface of the template body with the vertical direction; and a communication module configured to transmit the upper distance information, the lower distance information, and the template slope information to an external computing device, wherein the external computing device is configured to transmit the upper distance information, the lower distance information, and the lower distance. Based on the information, obtain relative tilt information, which is information about the tilt of the jacket pile with respect to the template leg, and obtain information about the tilt of the jacket pile with the vertical direction based on the relative tilt information and the template tilt information. Obtain absolute tilt information, and obtain head position deviation information, which is information about the positional deviation between the center of the template leg and the jacket pile at the mounting height, based on the upper interval, the upper distance information, and the relative tilt information, and , It is configured to obtain head height deviation information, which is information about the deviation between the head height of an adjacent jacket pile and the mounting height, based on the template tilt information, and the absolute tilt information, the head position deviation information, and the head height deviation information. Provides a survey template for pre-piling construction of a marine jacket foundation structure, characterized in that adjusting the position of the jacket leg, jacket leg inclination, and jacket leg holder height of the marine jacket foundation structure to be inserted into the jacket pile based on This can be achieved.

Additionally, in the survey template for pre-piling construction of a marine jacket basic structure, the template body includes a body of the survey template that supports components of the survey template; a template leg extending downward from the template body and partially or entirely inserted into the jacket pile buried in water; a template holder configured at a mounting height that is a predetermined height of the template leg and configured to contact the head of the jacket pile so that the survey template can be supported on the head of the jacket pile; an upper sensor unit configured to be adjacent to the lower side of the template holder and configured to obtain upper distance information, which is information about the distance from the template leg to the inner wall of the jacket pile; A tilt sensor unit configured on one side of the survey template and configured to obtain template tilt information, which is information about a tilt formed by a normal line of the horizontal surface of the template body with the vertical direction; and a communication module configured to transmit the upper distance information and the template tilt information to an external computing device, wherein the external computing device connects the template leg and the template leg at the mounting height based on the upper distance information. It is configured to obtain head position deviation information, which is information about the positional deviation of the center of the jacket pile, and to obtain head height deviation information, which is information about the deviation between the head height of the adjacent jacket pile and the mounting height, based on the template inclination information. , Characterized by adjusting the position, jacket leg inclination, and jacket leg holder height of the jacket leg of the marine jacket basic structure to be inserted into the jacket file based on the absolute tilt information, the head position deviation information, and the head height deviation information. This can be achieved by providing a survey template for pre-piling construction of the offshore jacket foundation structure.

Additionally, the external computing device may be further configured to determine that the template holder is not in contact with the head of the jacket pile when the upper distance information is greater than or equal to an inner radius of the jacket pile.

Another object of the present invention is to provide a pre-piling construction method of a marine jacket basic structure using a survey template according to an embodiment of the present invention, wherein the lower side from the template body supporting the components of the survey template as the body of the survey template A leg insertion step in which the template leg extending to is inserted into the interior of the jacket pile buried in water; Upper distance information in which an upper sensor unit configured at an upper height spaced apart from the mounting height by an upper interval along the template leg acquires upper distance information, which is information about the distance from the template leg to the inner wall of the jacket pile at the upper height. acquisition phase; Lower distance information in which a lower sensor unit configured at a lower height spaced apart from the upper height by a lower distance along the template leg acquires lower distance information, which is information about the distance from the template leg to the inner wall of the jacket pile at the lower height. acquisition phase; A template tilt information acquisition step in which a tilt sensor unit configured on one side of the survey template acquires template tilt information, which is information about a tilt formed by a normal line of the horizontal plane of the template body with the vertical direction; An information transmission step in which a communication module transmits the upper distance information, the lower distance information, and the template tilt information to a computing device; A relative tilt information acquisition step in which the computing device acquires relative tilt information, which is information about a tilt of the jacket file with respect to the template leg, based on the lower gap, the upper distance information, and the lower distance information; An absolute tilt information acquisition step in which the computing device acquires absolute tilt information, which is information about a tilt of the jacket file with respect to the vertical direction, based on the relative tilt information and the template tilt information; A head height deviation information acquisition step in which the computing device acquires head height deviation information, which is information about the deviation between the head height of an adjacent jacket file and the mounting height, based on the template inclination information; A head position in which the computing device acquires head position difference information, which is information about the position difference between the center of the template leg and the jacket file at the mounting height based on the top gap, the top distance information, and the relative tilt information. Deviation information acquisition step; And a jacket leg adjustment step of adjusting the position of the jacket leg to be inserted into the jacket file, the jacket leg tilt, and the height of the jacket leg holder based on the absolute tilt information, the head position deviation information, and the head height deviation information. , This can be achieved by providing a prepiling construction method for marine jacket foundation structures using a survey template.

In addition, in the pre-piling construction method of a marine jacket basic structure using a survey template according to an embodiment of the present invention, a template leg extending downward from the template body supporting the components of the survey template as the body of the survey template A leg insertion step of inserting the inside of the jacket pile buried underwater; An upper distance information acquisition step in which an upper sensor unit configured to be adjacent to the lower side of the template holder acquires upper distance information, which is information about the distance from the template leg to the inner wall of the jacket pile; A template tilt information acquisition step in which a tilt sensor unit configured on one side of the survey template acquires template tilt information, which is information about a tilt formed by a normal line of the horizontal plane of the template body with the vertical direction; An information transmission step in which a communication module transmits the upper distance information and the template tilt information to a computing device; A head height deviation information acquisition step in which the computing device acquires head height deviation information, which is information about the deviation between the head height of an adjacent jacket file and the mounting height, based on the template inclination information; A head position difference information acquisition step in which the computing device acquires head position difference information, which is information about the position difference between the template leg and the center of the jacket file at the mounting height based on the upper distance information; And a jacket leg adjustment step of adjusting the position of the jacket leg to be inserted into the jacket file and the height of the jacket leg holder based on the head position deviation information and the head height deviation information. A marine jacket basic structure using a survey template comprising a. This can be achieved by providing a pre-piling construction method.

In addition, the computing device may further include a non-contact determination step of determining that the template holder is not in contact with the head of the jacket pile when the upper distance information is greater than or equal to the inner radius of the jacket pile.

As described above, according to the present invention, the following effects are achieved.

First, while performing pile construction without a template that serves as a guide, if the constructed pile has an error with the design, measure the error and adjust the jacket leg based on this to ensure the stability of the jacket after construction of the pile. It has the effect of securing.

Second, it is possible to solve the problems of the existing improved pre-piling method and fully secure its advantages, replacing the guide template and measuring equipment installed underwater with jigs and general surveying equipment installed on the water compared to the existing pre-piling method. This allows you to fully achieve the effects of cost reduction, increased workability, and improved accuracy.

Third, economic losses can be prevented by preventing accidents in jackets or offshore structures that may occur due to errors caused by the conventional improved pre-piling method.

Fourth, there is an advantage of being able to determine the position and inclination of the jacket pile without the need to contact the jacket pile by using the upper and lower sensor units.

Fifth, it is quick and easy to perform measurements on multiple jacket files at once by inserting multiple template legs fixed to the template body into multiple jacket files.

Sixth, since the construction status of the jacket pile is measured using information on the slope of the survey template structure and the distance from the structure, reliable results can be obtained even underwater.

Seventh, according to some embodiments, when trust in the inclination is secured, the position and height of the jacket pile can be determined with a simple configuration, which has greater effects in reducing costs, increasing workability, and improving accuracy.

Eighth, if there is an error in the measurement of the construction status of the jacket pile, it can be detected. Therefore, there is an effect of preventing the problem of incorrectly obtaining head position deviation information and/or head height deviation while overlooking the fact that the head of the jacket pile is not in contact.

Meanwhile, the effects that can be obtained from the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description below. You can.

Figure 1 is a schematic diagram showing the construction steps of the post piling method,
Figure 2 is a schematic diagram showing a pre-piling template and a horizontal measuring device used in the pre-piling method;
Figure 3 is a photo showing the pre-piling template installation jack-up pants used in the pre-piling method;
Figure 4 is a schematic diagram showing a pre-piling template equipped with an angle adjustment device;
Figure 5 is a schematic diagram showing the pile driving operation generally applied to the pre-piling underwater template;
Figure 6 is a schematic diagram showing an improved pre-piling construction device;
Figure 7 is a schematic diagram showing a survey template 100 mounted on a jacket pile according to an embodiment of the present invention;
Figure 8 is a schematic diagram showing the configuration of a survey template 100 according to an embodiment of the present invention;
Figure 9 is a schematic diagram showing the survey template 100 and jacket file in more detail according to an embodiment of the present invention;
Figure 10 is a flow chart showing a prepiling basic marine jacket construction method using a survey template according to an embodiment of the present invention;
Figure 11 is a schematic diagram showing the leg insertion step (S10);
Figure 12 is a schematic diagram showing the survey template 100 after completing the leg insertion step (S10),
13 is a schematic diagram showing the process of acquiring location relationship information;
Figure 14 is a schematic diagram showing the steps of acquiring relative tilt information;
Figure 15 is a schematic diagram showing the steps of acquiring absolute slope information;
Figure 16 is a schematic diagram showing the steps of obtaining head height deviation information;
17 is a schematic diagram showing the head position difference acquisition step (S18);
18 is a schematic diagram showing the jacket leg adjustment step (S19);
19 is a schematic diagram showing the survey template lifting step (S20);
Figure 20 is a schematic diagram showing the jacket mounting step (S21);
Figure 21 is a schematic diagram showing the jacket combining step (S22);
22 is a schematic diagram showing a survey template 300 according to another embodiment of the present invention;
Figure 23 is a schematic diagram showing a process for obtaining head position deviation information according to another embodiment of the present invention;
Figure 24 is a schematic diagram showing a template holder 340 that does not contact the head of the jacket pile;
Figure 25 is a flowchart showing a prepiling basic marine jacket construction method using a survey template according to another embodiment of the present invention.
Figure 26 is a schematic diagram showing a learning session of an artificial neural network module for generating jacket adjustment information according to an embodiment of the present invention.

Hereinafter, with reference to the attached drawings, an embodiment by which a person skilled in the art can easily carry out the present invention will be described in detail. However, when explaining in detail the operating principle of a preferred embodiment of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description will be omitted.

In addition, the same reference numerals are used for parts that perform similar functions and actions throughout the drawings. Throughout the specification, when a specific part is said to be connected to another part, this includes not only cases where it is directly connected, but also cases where it is indirectly connected through another element in between. In addition, including a specific component does not mean excluding other components unless specifically stated to the contrary, but rather means that other components may be further included.

Below, a prepiling basic marine jacket construction method using a survey template and the survey template are disclosed. More specifically, information such as the location, height, and slope of the jacket pile is measured using a survey template to ensure the verticality of the jacket by properly combining the jacket pile and jacket legs buried underwater by the pre-piling method. , based on this, a construction method for adjusting the position of the jacket leg, etc., and its survey template are disclosed. According to various embodiments of the present invention, after construction of a pile is performed without a template serving as a guide, if the constructed pile has an error with the design, the error is measured and the jacket leg is adjusted based on this to build the pile. It has the effect of ensuring the stability of the jacket after construction.

Below, for ease of explanation, the two-dimensional picture is shown and explained focusing on one side of the survey template with two template legs. However, a person skilled in the art can easily understand the three-dimensional survey template based on this. there is. For example, when describing the inclination of two neighboring template legs on a plane, based on this, it can be applied to the inclination of two neighboring template legs in another plane perpendicular to the plane, and further, the inclination of the two perpendicular planes Based on the slope, the slope in space can be understood.

Figure 7 is a schematic diagram showing a survey template 100 mounted on a jacket pile according to an embodiment of the present invention. Here, the jacket pile may be buried underwater using the pre-piling method. The survey template 100 according to one embodiment can be mounted on the top of the jacket pile, and some components can be inserted into the interior of the jacket pile, and information about the construction status of the jacket pile can be obtained through a sensor. You can.

Figure 8 is a schematic diagram showing the configuration of a survey template 100 according to an embodiment of the present invention. The survey template 100 according to one embodiment includes a template body 110, a template leg 120, a tilt sensor unit (not shown), a template holder 140, an upper sensor unit 150, and a lower sensor unit 150. ) may include. According to one embodiment, the survey template 100 can acquire head position deviation information, absolute tilt information, and head height deviation information of the jacket file using a sensor, or obtain basic information for calculating and obtaining the information. there is.

The template body 110 according to one embodiment is the body of the survey template 100 and may support components of the survey template 100. For example, a template leg 120 may be coupled to the template body 110, and a plurality of template legs 120 may be supported by the template body 110. Additionally, according to one embodiment, a tilt sensor unit (not shown) may be configured in the template body 110. When the template leg 120 is inserted into the jacket pile, the template body 110 may be tilted and mounted due to the difference in head height of the plurality of jacket piles. In this case, the template body 110 is tilted through the tilt sensor unit. It is possible to obtain information about the template slope. This will be explained in detail in the section related to the tilt sensor unit.

The template leg 120 according to one embodiment may be configured to extend downward from the template body 110. In the template leg 120 according to one embodiment, part or all of the template leg 120 may be inserted into the interior of a jacket pile buried underwater. The template leg 120 may be inserted into the jacket pile until the template holder 130 is mounted on the head of the jacket pile. The template leg 120 may include a template holder 140, an upper sensor unit 150, and/or a lower sensor unit 150.

The template legs 120 may be composed of a plurality of template legs, preferably four. Each template leg 120 may be configured to form a predetermined angle with the template body 110. Preferably, the template leg 120 may be configured to be perpendicular to the template body 110. The template leg 120 is fixed to the template body 110 and may tilt together with the template body 110 when the template body 110 is tilted.

The tilt sensor unit according to one embodiment is configured on one side of the survey template 100 and can acquire template tilt information where the normal line of the horizontal surface of the template body 110 forms the vertical direction. The tilt sensor unit may include an inclinometer 130_1 and/or a level measurement sensor 130_2. For example, the tilt sensor unit may be configured in the template body 110, as shown in FIG. 8, or, unlike shown, in the template leg 120.

The tilt sensor unit broadly refers to a configuration for measuring tilt and may include an inclinometer 130_1 capable of measuring an angle and a level measurement sensor 130_2 capable of measuring a height difference. For example, the tilt sensor unit may include an inclinometer or liquid level measuring device from Seatools or OceanTools. Although the inclinometer 130_1 and the level measurement sensor 130_2 are each shown as the tilt sensor unit in FIG. 8, etc., they do not necessarily have to be configured at the same time, and only one of them may be configured. If the distance between two specific points of the survey template 100 is known, the height difference can be obtained by measuring the angle, and conversely, the angle can be obtained by measuring the height difference. The template tilt information acquired by the tilt sensor unit may mean an angle and/or a height difference between specific points.

According to one embodiment, the tilt sensor unit may include a plurality of tilt sensors. For example, the tilt of one template leg 120 with respect to two adjacent template legs can be obtained through each tilt sensor. In this case, the template slope information may include a plurality of slopes and may include slope information at which the survey template 100 is tilted in space.

Hereinafter, the template holder 140, the upper sensor unit 150, and the lower sensor unit 150 will be described with reference to FIG. 9. Figure 9 is a schematic diagram showing the survey template 100 and jacket file in more detail. According to one embodiment, the template holder 140, the upper sensor unit 150, and the lower sensor unit 160 may be sequentially configured along the template leg 120.

The template holder 140 according to one embodiment may be configured at a mounting height that is a predetermined height of the template leg 120. When the template leg 120 is inserted into the jacket pile, the template holder 140 may be configured to contact the head of the jacket pile and support the survey template 100 on the head of the jacket pile.

The upper sensor unit 150 according to one embodiment may be configured at an upper height spaced apart from the mounting height by an upper interval along the template leg 120. The upper sensor unit 150 may include a distance sensor and obtain upper distance information, which is information about the distance from the template leg 120 to the inner wall of the jacket pile at the upper height. For example, the upper sensor unit 150 may include an optical sensor such as a laser sensor, an ultrasonic sensor, etc.

The upper sensor unit 150 may include a plurality of distance sensors. The upper sensor unit 150 can obtain a plurality of distance information by measuring distances in a plurality of different directions from the template leg 120 to the inner wall of the jacket pile through a plurality of distance sensors. That is, the upper distance information may include a plurality of distance information. Furthermore, the positional relationship between the template leg 120 and the jacket file can be calculated based on the upper distance information. This will be explained in detail with FIG. 13 in the description of the construction method.

Each distance sensor of the upper sensor unit 150 can sense the distance to the inner wall of the jacket pile. The radius of the template leg 120 exists in reality, but if the radius in the specifications is known, the distance from the center of the template leg 120 to the inner wall of the jacket pile can be obtained based on the sensed distance and the radius of the template leg 120. there is. Therefore, in relation to the calculation of values in the present disclosure, the template leg 120 has no radius and can be assumed to be a line condensed at the center of the template leg 120. For example, the distance from the template leg 120 to the inner wall of the jacket pile can be understood as the distance from the center of the template leg 120 to the inner wall of the jacket pile.

The lower sensor unit 160 according to one embodiment may be configured at a lower height spaced apart from the upper height by a lower distance along the template leg 120. The lower sensor unit 160 may include a distance sensor and obtain lower distance information, which is information about the distance from the template leg 120 to the inner wall of the jacket pile at the lower height. The configuration and operation of the lower sensor unit 160 may be the same or similar to the configuration and operation of the upper sensor unit 150. For example, the lower sensor unit 160 may include a plurality of distance sensors, and the lower distance information may include a plurality of distance information.

The survey template 100 according to an embodiment of the present invention has the advantage of being able to determine the position and inclination of the jacket pile without the need to contact the jacket pile by using the upper sensor unit 150 and the lower sensor unit 160. .

The survey template 100 according to one embodiment may include a communication module. A communication module (not shown) may transmit upper distance information, lower distance information, and template tilt information to an external computing device. For example, a communication module is a broad concept that can transmit information wired and wirelessly, and may include wireless modules such as Wifi, LTE, 5G, Bluetooth, and RFID, wired modules such as LAN, and BUS.

External computing devices (not shown) are components capable of processing information and may include servers, PCs, tablet PCs, smartphones, etc. A computing device may include a processor, memory, and transceiver. The computing device may receive information from the survey template 100 and calculate and obtain information necessary for jacket leg adjustment based on this. For example, the computing device may receive upper distance information, lower distance information, and template tilt information from the survey template 100, and obtain absolute tilt information, head position deviation information, and head height deviation information based on this. . This will be explained in detail with reference to FIGS. 13 to 17 in the description of the construction method.

According to one embodiment, an external computing device inputs upper distance information, lower distance information, and template tilt information as input data, and provides jacket adjustment information with absolute tilt information, head position deviation information, and head height deviation information as output data. It may include a generative artificial neural network module. This will be described in detail below with reference to FIG. 26.

Figure 10 is a flowchart showing a prepiling basic marine jacket construction method using a survey template according to an embodiment of the present invention. As shown in Figure 10, the prepiling basic marine jacket construction method using a survey template according to an embodiment of the present invention includes a leg insertion step (S10), an upper distance information acquisition step (S11), and a lower distance information acquisition step. (S12), template tilt information acquisition step (S13), information transmission step (S14), relative tilt information acquisition step (S15), absolute tilt information acquisition step (S16), head height deviation acquisition step (S17), head position deviation It may include an acquisition step (S18), a jacket leg adjustment step (S19), a survey template lifting step (S20), a jacket mounting step (S21), and a jacket combining step (S22).

Regarding the leg insertion step (S10), FIG. 11 is a schematic diagram showing the leg insertion step (S10), and FIG. 12 is a schematic diagram showing the survey template 100 after completing the leg insertion step (S10). As shown in FIG. 11, the leg insertion step (S10) is a step in which the survey template 100 is transported underwater by a crane on the top of the jack-up pants and the template leg 120 is inserted into the interior of the jacket pile.

As shown in FIG. 12, when the leg insertion step (S10) is completed, the template holder 140 of the survey template 100 is mounted on the head of the jacket pile, and the survey template 100 can be supported by the jacket pile. . A plurality of template legs of the survey template 100 may each be inserted into a corresponding jacket file. At this time, the survey template 100 may be tilted depending on the construction state of the jacket pile. Additionally, the center of the inserted template leg 120 may not coincide with the center of the jacket pile depending on the construction state of the jacket pile.

The upper distance information acquisition step (S11) is a step in which the upper sensor unit 150 acquires upper distance information, which is information about the distance from the template leg 120 to the inner wall of the jacket pile at the upper height. The upper sensor unit 150 may include a plurality of distance sensors. The upper sensor unit 150 can obtain a plurality of distance information by measuring distances in a plurality of different directions from the template leg 120 to the inner wall of the jacket pile through a plurality of distance sensors. That is, the upper distance information may include a plurality of distance information.

The lower distance information acquisition step (S12) is a step in which the lower sensor unit 160 acquires lower distance information, which is information about the distance from the template leg 120 to the inner wall of the jacket pile at the lower height. The lower sensor unit 160 may include a plurality of distance sensors. The lower sensor unit 160 can obtain a plurality of distance information by measuring distances in a plurality of different directions from the template leg 120 to the inner wall of the jacket pile through a plurality of distance sensors. That is, the lower distance information may include a plurality of distance information.

The template tilt information acquisition step (S13) is a step in which the tilt sensor unit acquires template tilt information, which is information about the tilt formed by the normal line of the horizontal plane of the template body 110 with the vertical direction. If the survey template 100 is tilted according to the construction state of the jacket pile, the tilt sensor unit may obtain template tilt information. Here, the template tilt information may include angle information or height difference information. The tilt sensor unit may include a plurality of tilt sensors. For example, when there are four template legs 120, the survey template 100 can be tilted in three dimensions, and a plurality of tilt sensors can measure tilt in different directions to obtain a plurality of tilt information. there is. That is, the template slope information may include a plurality of slope information.

The information transmission step (S14) is a step in which the communication module transmits upper distance information, lower distance information, and template tilt information to the computing device. The information transmission step (S14) can be performed through wired communication or wireless communication depending on the configuration of the communication module.

In relation to the relative tilt information acquisition step (S15), FIG. 13 is a schematic diagram showing a process of acquiring positional relationship information, and FIG. 14 is a schematic diagram showing the relative tilt information acquisition step. In the relative tilt information acquisition step (S15), the computing device acquires relative tilt information (Θr), which is information about the tilt of the jacket file with respect to the template leg 120, based on the lower gap, upper distance information, and lower distance information. This is the step.

First, with reference to FIG. 13 , a process of obtaining positional relationship information between the template leg 120 and the jacket pile at the upper height based on the upper distance information will be described. The computing device may perform a process of acquiring location relationship information. Here, the positional relationship information may include the position of the center of the template leg 120 and/or the position difference information (D) between the center of the template leg 120 and the jacket file. Additionally, here, the position deviation information D may include horizontal axis deviation information and vertical axis deviation information. FIG. 13 shows a process of acquiring right distance information and upper distance information based on the template leg 120 and obtaining positional relationship information based on these distance information.

The computing device generates positional deviation information, which is information about the position of the center of the template leg 120 at the upper height and the positional difference between the template leg 120 and the center of the jacket file, based on a plurality of distance information included in the upper distance information. (D) can be obtained. At this time, the inner radius information of the jacket file can be obtained and used as a specification. The process of acquiring positional relationship information can be solved by determining where the center of the template leg 120 that satisfies a plurality of distance information is located within the jacket file. If the distance information obtained in different directions is the same, it may be determined that the center of the template leg 120 and the center of the jacket file coincide. In the above, the upper height was explained as an example, but the same can be applied to the lower height.

The relative tilt information acquisition step (S15) will be described with reference to FIG. 14. As described in FIG. 13, the computing device may obtain position deviation information at the upper height using upper distance information, and similarly obtain position deviation information at the lower height using lower distance information. Furthermore, the computing device acquires relative tilt information Θr, which is information about the tilt of the jacket pile with respect to the template leg 120, based on the positional deviation information at the upper height, the positional deviation information at the lower height, and the lower gap. can do. Here, when considering the positional deviation information at the upper height and the lower height as horizontal axis deviation information and vertical axis deviation information, a plurality of tilt information of the survey template 100 tilted in space can be obtained.

Regarding the absolute slope information acquisition step (S16), Figure 15 is a schematic diagram showing the absolute slope information acquisition step. In the absolute tilt information acquisition step (S16), the computing device acquires absolute tilt information (Θa), which is information about the tilt of the jacket file with the vertical direction, based on the relative tilt information (Θr) and the template tilt information (Θt). It's a step. Previously, relative slope information (Θr), which is information about the slope of the jacket pile with respect to the template leg 120, was obtained, but when the survey template 100 itself is tilted, in order to determine the actual slope of the jacket pile, the template leg 120 ) needs to be corrected for the degree of tilt.

In Figure 15, the template leg 120 is perpendicular to the template body 110, the solid line represents the vertical or horizontal direction, and the dotted line represents the direction of the template leg 120 or the normal line of the horizontal plane of the template body 110. , the dashed line indicates the direction of the jacket pile. Here, the horizontal direction may mean a direction perpendicular to the vertical direction. Absolute tilt information (Θa), which is information about the tilt of the jacket file with respect to the vertical direction, can be obtained by adding or subtracting template tilt information (Θt) from relative tilt information (Θr) depending on the tilt direction. In FIG. 15 , the template tilt information Θt may be the inclination of the normal line of the horizontal surface of the template body 110 with the vertical direction, which may be the same as the inclination of the horizontal surface of the template body 110 with the horizontal direction. Therefore, in the drawings below, the inclination of the horizontal plane of the template body 110 with respect to the horizontal direction may be displayed as template inclination information Θt.

According to one embodiment of the present invention, there is an advantage in that the inclination of a plurality of jacket piles can be measured simultaneously using the survey template 100. In addition, there is an advantage of being able to determine the degree and direction of inclination between a plurality of jacket piles.

In relation to the head height deviation information acquisition step (S17), Figure 16 is a schematic diagram showing the head height deviation information acquisition step. The head height deviation acquisition step (S17) is a step in which the computing device acquires head height deviation information (H), which is information about the deviation between the head height of an adjacent jacket file and the mounting height, based on the template tilt information (Θt). Head height deviation information (H) refers to the height difference between the heads of two adjacent jacket piles, but since the template holder 140 is mounted on the heads, the height of either jacket pile can be replaced by the mounting height.

Head height deviation information (H) can be obtained based on template tilt information (Θt). At this time, the distance between jacket piles can be previously obtained and considered as a specification. In Figure 15, the case where the template tilt information (Θt) is an angle is shown. However, if the template tilt information is a level difference, the head height deviation information (H) may be the level difference itself.

According to one embodiment of the present invention, the head height difference between spaced jacket piles is measured using the inclination of the survey template 100 structure, thereby ensuring high accuracy even underwater. Additionally, it has the advantage of being able to measure the height difference between multiple jacket piles at once.

In relation to the head position difference information acquisition step (S18), FIG. 17 is a schematic diagram showing the head position difference acquisition step (S18). In the head position deviation information acquisition step (S18), the computing device obtains the head position, which is information about the position deviation between the center of the template leg and the jacket pile at the mounting height, based on the upper gap, upper distance information, and relative tilt information (Θr). This is the step of acquiring deviation information. As described in FIG. 13, the computing device obtains the positional deviation information of the upper height based on the upper distance information, and further based on the upper spacing and relative tilt information (Θr), the mounting height, that is, at the head of the jacket pile, Head position deviation information can be obtained.

According to one embodiment of the present invention, it is possible to accurately and easily determine the relative position of the jacket pile underwater by using the positional deviation from the survey template 100 structure. Additionally, there is an advantage of being able to determine the location of multiple jacket files at once.

Regarding the jacket leg adjustment step (S19), Figure 18 is a schematic diagram showing the jacket leg adjustment step (S19). The jacket leg adjustment step (S19) is a step of adjusting the position of the jacket leg to be inserted into the jacket file, the jacket leg tilt, and the height of the jacket leg holder based on the absolute tilt information, head position deviation information, and head height deviation information obtained previously. . According to one embodiment, a position adjustment unit may be configured to adjust the position of the jacket leg to be coupled to the jacket according to head position deviation information and/or jacket leg inclination. The position of the jacket leg and the inclination of the jacket leg can be adjusted depending on the length, inclination, and shape of the position adjustment unit. The position adjusting unit may be manufactured to a desired position and inclination and then combined, or may be configured to rotate after being coupled to adjust the position, inclination, etc. According to one embodiment, a jacket leg holder may be configured to adjust the height at which the jacket is coupled to the jacket pile according to head height deviation information. By adjusting the position adjustment unit and/or the jacket leg holder, the verticality and stability of the jacket coupled to the jacket pile can be secured.

According to various embodiments of the present invention, after construction of a pile is performed without a template serving as a guide, if the constructed pile has an error with the design, the error is measured and the jacket leg is adjusted based on this to build the pile. It has the effect of ensuring the stability of the jacket after construction.

Regarding the survey template lifting step (S20), Figure 19 is a schematic diagram showing the survey template lifting step (S20). The survey template lifting step (S20) is a step in which the survey template 100 that has completed the survey is lifted and removed from the jacket file. The survey template 100 can be lifted onto the water by a crane on the top of the jack-up barge.

Regarding the jacket mounting step (S21), Figure 20 is a schematic diagram showing the jacket mounting step (S21). As shown in FIG. 20, the jacket mounting step (S21) is a step of mounting the jacket by inserting the jacket leg into the top of the installed jacket pile.

Regarding the jacket combining step (S22), Figure 21 is a schematic diagram showing the jacket combining step (S22). The jacket joining step (S22) is a step in which the jacket legs and the jacket pile are fixedly coupled by grouting the space between the inside of the jacket pile and the inserted jacket leg.

[Other embodiments of survey templates]

Hereinafter, another embodiment of the survey template of the present invention will be described with reference to FIGS. 22 to 24. If the inclination of the constructed jacket pile is reliable, the verticality of the jacket can be secured by obtaining only the head position deviation information and head height deviation information of the jacket pile.

First, the configuration of the survey template 300 according to another embodiment of the present invention will be described with reference to FIG. 22. Figure 22 is a schematic diagram showing a survey template 300 according to another embodiment of the present invention. The survey template 300 according to an embodiment of the present invention may include a template body 310, a template leg 320, a tilt sensor unit (not shown), a template holder 340, and an upper sensor unit 350. there is. According to one embodiment, the survey template 300 may acquire head position deviation information and head height deviation information of a jacket file using a sensor, or obtain basic information for calculating and obtaining the information.

The template body 310 is the body of the survey template 300 and can support components of the survey template 300. The template body 310 may be configured identically to the template body 110 of FIG. 8 .

The template leg 320 extends downward from the template body 310 and may be configured to be partially or fully inserted into the interior of the jacket pile buried in water. The template leg 320 may be configured identically to the template leg 120 of FIG. 8 .

The tilt sensor unit (not shown) may be configured on one side of the survey template 300 and configured to obtain template tilt information, which is information about the tilt formed by the normal line of the horizontal surface of the template body 310 with the vertical direction. The tilt sensor unit may be configured in the same manner as the tilt sensor unit (not shown) described in the section related to FIG. 8 . In FIG. 22 , unlike in FIG. 8 , only the inclinometer 330 is shown, but the inclination sensor unit is not limited thereto and may include an inclinometer and/or a level measurement sensor.

The template holder 340 is configured at a mounting height that is a predetermined height of the template leg 320, and may be configured to contact the head of the jacket pile and support the survey template 300 on the head of the jacket pile. If the jacket pile consists of four or more and the head heights of the jacket piles are different from each other, one or more of the plurality of template holders 340 of the survey template 300 may lift without contacting the head of the corresponding jacket pile. You can. This will be explained with reference to FIG. 23.

The upper sensor unit 350 is configured to be adjacent to the lower side of the template holder 340 and may be configured to obtain upper distance information, which is information about the distance from the template leg 120 to the inner wall of the jacket pile. Since the upper sensor unit 350 is configured adjacent to the lower side of the template holder 340, the plurality of distance sensors of the upper sensor unit 350 can obtain a plurality of distance information at the mounting height. That is, the upper distance information may be a plurality of distance information at the mounting height or the head height of the jacket pile. Other than this, the configuration and operation of the upper sensor unit 350 may be similar to the upper sensor unit 150 of FIG. 8.

A communication module (not shown) may be configured to transmit upper distance information and template tilt information to an external computing device.

The external computing device may obtain head position difference information, which is information about the position difference between the center of the template leg 120 and the jacket pile at the mounting height, based on the upper distance information. Additionally, an external computing device may obtain head height deviation information, which is information about the deviation between the head height and mounting height of an adjacent jacket pile, based on the template inclination information.

Figure 23 is a schematic diagram showing a process for obtaining head position deviation information according to another embodiment of the present invention. According to one embodiment, the computing device may directly obtain head position deviation information at the mounting height or the head height of the jacket pile based on the upper distance information. Accordingly, upper spacing and relative tilt information are not required to obtain head position deviation information, or additional steps are not required to obtain head position deviation information compared to FIG. 17, resulting in quick and easy construction.

Additionally, according to one embodiment, under the premise that the inclination of the constructed jacket pile is reliable, the verticality of the jacket can be secured by only obtaining head position deviation information and head height deviation information of the jacket pile. Therefore, the survey template can be configured with a simpler configuration, which has the advantage of reducing costs, and the simple construction method allows for rapid construction.

Figure 24 is a schematic diagram showing a template holder 340 that does not contact the head of the jacket pile. If the jacket pile consists of four or more and the head heights of the jacket piles are different from each other, the survey template 300 is supported by three template holders 340 among the plurality of template holders 340, and one or more templates As shown in FIG. 24, the holder 340 can be lifted without contacting the head of the corresponding jacket pile.

If the template holder 340 does not contact the head of the jacket pile, the upper sensor unit 350 may not correctly obtain upper distance information or may acquire upper distance information that is larger than the inner radius of the jacket pile. That is, the upper distance information may be larger than the inner radius of the jacket file, or there may be no upper distance information. In this case, the computing device may determine that the template holder 340 is not in contact with the head of the jacket pile.

According to this embodiment, there is an effect of preventing the problem of incorrectly obtaining head position deviation information and/or head height deviation while overlooking the fact that the template holder 340 is not in contact with the head of the jacket pile.

Figure 25 is a flowchart showing a prepiling basic marine jacket construction method using a survey template according to another embodiment of the present invention. As shown in Figure 25, the prepiling basic marine jacket construction method using a survey template according to an embodiment of the present invention includes a leg insertion step (S30), an upper distance information acquisition step (S31), and a template slope information acquisition step. (S32), information transmission step (S34), head height deviation acquisition step (S34), head position deviation acquisition step (S35), jacket leg adjustment step (S36), survey template lifting step (S37), jacket mounting step (S38) ) and a jacket combining step (S39). According to one embodiment, the prepiling-based marine jacket construction method using a survey template may further include a non-contact determination step (not shown).

In the leg insertion step (S30), the survey template 300 is transported underwater by a crane on the top of the jack-up pants, and the template leg 320 is inserted into the jacket pile. In the leg insertion step (S30), one or more template holders 340 may not be in contact with the corresponding jacket pile head.

The upper distance information acquisition step (S31) is a step in which the upper sensor unit 350 acquires upper distance information, which is information about the distance from the template leg 320 to the inner wall of the jacket pile at the mounting height. The upper distance information may include a plurality of distance information.

The template tilt information acquisition step (S32) is a step in which the tilt sensor unit acquires template tilt information, which is information about the tilt formed by the normal line of the horizontal plane of the template body 310 with the vertical direction.

The information transmission step (S33) is a step in which the communication module transmits upper distance information and template tilt information to the computing device.

The head height deviation acquisition step (S34) is a step in which the computing device acquires head height deviation information (H), which is information about the deviation between the head height of an adjacent jacket file and the mounting height, based on the template tilt information (Θt).

In the head position deviation information acquisition step (S35), the computing device obtains the head position, which is information about the position deviation between the center of the template leg and the jacket pile at the mounting height, based on the upper gap, upper distance information, and relative tilt information (Θr). This is the step of acquiring deviation information. As explained in FIG. 13, the computing device obtains the positional deviation information of the upper height based on the upper distance information, and further, based on the upper spacing and relative tilt information (Θr), the mounting height, that is, at the head of the jacket pile, Head position deviation information can be obtained.

According to one embodiment, the computing device may directly obtain head position deviation information at the mounting height or the head height of the jacket pile based on the upper distance information. Accordingly, upper spacing and relative tilt information are not required to obtain head position deviation information, or additional steps are not required to obtain head position deviation information compared to FIG. 17, resulting in quick and easy construction.

Additionally, according to one embodiment, under the premise that the inclination of the constructed jacket pile is reliable, the verticality of the jacket can be secured by only obtaining head position deviation information and head height deviation information of the jacket pile. Therefore, the survey template can be configured with a simpler configuration, which has the advantage of reducing costs, and the simple construction method allows for rapid construction.

The jacket leg adjustment step (S36) is a step of adjusting the position of the jacket leg to be inserted into the jacket file and the height of the jacket leg holder based on the previously obtained head position deviation information and head height deviation information. According to one embodiment, the verticality of the jacket to be mounted on the jacket pile can be secured by adjusting the position of the jacket rig and the height of the jacket leg holder, under the premise that the verticality of the jacket pile can be trusted.

The survey template lifting step (S37) is a step in which the survey template 100 that has completed the survey is lifted and removed from the jacket file.

The jacket mounting step (S38) is a step of mounting the jacket by inserting the jacket leg into the top of the installed jacket pile.

The jacket joining step (S39) is a step in which the jacket legs and the jacket pile are fixedly joined by grouting the space between the inside of the jacket pile and the inserted jacket leg.

In the pre-piling basic marine jacket construction method using a survey template according to an embodiment, the computing device determines that the template holder 340 does not contact the head of the jacket pile when the upper distance information is greater than or absent than the inner radius of the jacket pile. It may further include a non-contact determination step (not shown).

According to this embodiment, there is an effect of preventing the problem of incorrectly obtaining head position deviation information and/or head height deviation while overlooking the fact that the template holder 340 is not in contact with the head of the jacket pile.

The computing device according to an embodiment of the present invention inputs upper distance information, lower distance information, and template tilt information as input data, and includes absolute tilt information, head position deviation information, and head height deviation information of the jacket file that is the target of the input data. It may be configured to further include an artificial neural network module that generates jacket adjustment information using output data.

Regarding the learning session of the jacket adjustment information generating artificial neural network module, FIG. 26 is a schematic diagram illustrating a learning session of the jacket adjustment information generating artificial neural network module according to an embodiment of the present invention. As shown in Figure 26, the learning session of the jacket adjustment information generation artificial neural network module inputs the upper distance information, lower distance information, and template slope information as input data to the jacket adjustment information generation artificial neural network module, and inputs the jacket that is the target of the input data. The absolute tilt information, head position deviation information, and head height deviation information of the file are used as output data, and the output data (absolute tilt information, head position deviation information, and head height deviation information) and ground truth (actual absolute tilt information, actual head position) are used as output data. Difference between deviation information and actual head height deviation information (general loss), difference between the corrected position information and design position information (position loss), which corrects the position information of the actual jacket file by the output head position deviation information, and the output head height The difference (height loss) between the corrected height information, which corrects the height information of the actual jacket file as much as the deviation information, and the design height information is included as the loss of the loss function in the direction of decreasing the loss (or increasing the similarity). ) The parameters of the jacket adjustment information generation artificial neural network module may be configured to be updated.

The inference session of the learned jacket adjustment information generation artificial neural network module inputs the upper distance information, the lower distance information, and the template tilt information as input data, and the absolute tilt information, the head position deviation information, and the head height deviation It may be configured to use information as output data. After pile construction, the position of the jacket leg, the tilt of the jacket leg, and the height of the jacket leg holder are adjusted based on the absolute tilt information, the head position deviation information, and the head height deviation information output through the jacket adjustment information generation artificial neural network module. The verticality and stability of the jacket can be secured afterwards.

According to the configuration of the artificial neural network module for generating jacket adjustment information according to an embodiment of the present invention, absolute tilt information, head position deviation information, and head height deviation information can be obtained only by inputting upper distance information, lower distance information, and template tilt information. The effect that becomes possible occurs.

As described above, a person skilled in the art to which the present invention pertains will understand that the present invention can be implemented in other specific forms without changing its technical idea or essential features. Therefore, the above-described embodiments should be understood in all respects as illustrative and not restrictive. The scope of the present invention is indicated by the claims described later rather than the detailed description, and all changes or modified forms derived from the meaning and scope of the claims and the equivalent concept should be construed as being included in the scope of the present invention.

1: Pre-piling construction device for offshore jacket foundation structure
10: Water jig
20: Jig pin pile
30: Casing guide
40: Casing
50: Jacket pile
60: Pin file
100, 300: template
110, 310: template body
120, 320: Template leg
130_1, 330: Inclinometer
130_2: Level measurement sensor
140, 340: Template holder
150, 350: upper sensor part
160: lower sensor unit
D: Position deviation information
H: Head height deviation information
Θr: Relative tilt information
Θt: Template tilt information
Θa: Absolute slope information

Claims (7)

In the survey template for pre-piling construction of marine jacket foundation structures,
a template body supporting components of the survey template as the main body of the survey template;
a template leg extending downward from the template body and partially or entirely inserted into the jacket pile buried in water;
a template holder configured at a mounting height that is a predetermined height of the template leg, and configured to contact the head of the jacket pile and support the survey template on the head of the jacket pile;
An upper sensor unit configured at an upper height spaced apart from the mounting height by an upper interval along the template leg and configured to obtain upper distance information, which is information about the distance from the template leg to the inner wall of the jacket pile at the upper height;
A lower sensor unit configured at a lower height spaced apart from the upper height by a lower interval along the template leg and configured to obtain lower distance information, which is information about the distance from the template leg to the inner wall of the jacket pile at the lower height;
A tilt sensor unit configured on one side of the survey template and configured to obtain template tilt information, which is information about a tilt formed by a normal line of the horizontal surface of the template body with the vertical direction; and
It includes a communication module configured to transmit the upper distance information, the lower distance information, and the template tilt information to an external computing device,
The external computing device is,
Obtaining relative tilt information, which is information about the tilt of the jacket pile with respect to the template leg, based on the lower gap, the upper distance information, and the lower distance information,
Obtaining absolute tilt information, which is information about the tilt of the jacket file with the vertical direction, based on the relative tilt information and the template tilt information,
Obtaining head position difference information, which is information about the position difference between the center of the template leg and the jacket pile at the mounting height, based on the upper gap, the upper distance information, and the relative tilt information,
It is configured to obtain head height deviation information, which is information about the deviation between the head height of an adjacent jacket pile and the mounting height, based on the template inclination information,
Characterized by adjusting the position, jacket leg inclination, and jacket leg holder height of the jacket leg of the marine jacket basic structure to be inserted into the jacket file based on the absolute tilt information, the head position deviation information, and the head height deviation information. doing,
Survey template for pre-piling construction of offshore jacket foundation structures.
According to paragraph 1,
The external computing device is
A jacket adjustment information generating artificial neural network module that inputs the upper distance information, the lower distance information, and the template tilt information as input data, and uses the absolute tilt information, the head position deviation information, and the head height deviation information as output data. Contains,
The artificial neural network module for generating the jacket adjustment information is the absolute value of the difference between the corrected position information that corrects the position information of the actual jacket file by the output head position deviation information and the design position information, and the actual jacket file by the output head height deviation information. The sum of the absolute value of the difference between the corrected height information and the design height information is used as loss to generate jacket adjustment information in the direction of reducing the loss. The characteristic is that the parameters of the architecture of the artificial neural network module are learned to be updated. to,
Survey template for pre-piling construction of offshore jacket foundation structures.
In the survey template for pre-piling construction of marine jacket foundation structures,
a template body supporting components of the survey template as the main body of the survey template;
a template leg extending downward from the template body and partially or entirely inserted into the jacket pile buried in water;
a template holder configured at a mounting height that is a predetermined height of the template leg and configured to contact the head of the jacket pile so that the survey template can be supported on the head of the jacket pile;
an upper sensor unit configured to be adjacent to the lower side of the template holder and configured to obtain upper distance information, which is information about the distance from the template leg to the inner wall of the jacket pile;
A tilt sensor unit configured on one side of the survey template and configured to obtain template tilt information, which is information about a tilt formed by a normal line of the horizontal surface of the template body with the vertical direction; and
It includes a communication module configured to transmit the upper distance information and the template tilt information to an external computing device,
The external computing device is,
Obtaining head position difference information, which is information about the position difference between the center of the template leg and the jacket pile at the mounting height, based on the upper distance information,
It is configured to obtain head height deviation information, which is information about the deviation between the head height of an adjacent jacket pile and the mounting height, based on the template inclination information,
Characterized in adjusting the position of the jacket leg and the height of the jacket leg holder of the marine jacket basic structure to be inserted into the jacket pile based on the head position deviation information and the head height deviation information.
Survey template for pre-piling construction of offshore jacket foundation structures.
According to paragraph 3,
The external computing device is,
Further configured to determine that the template holder is not in contact with the head of the jacket pile when the upper distance information is greater than or equal to the inner radius of the jacket pile.
Survey template for pre-piling construction of offshore jacket foundation structures.
In the pre-piling construction method of a marine jacket foundation structure using the survey template according to paragraph 1,
A leg insertion step in which a template leg extending downward from a template body supporting components of the survey template as the body of the survey template is inserted into the interior of a jacket pile buried in water;
Upper distance information in which an upper sensor unit configured at an upper height spaced apart from the mounting height by an upper interval along the template leg acquires upper distance information, which is information about the distance from the template leg to the inner wall of the jacket pile at the upper height. acquisition phase;
Lower distance information in which a lower sensor unit configured at a lower height spaced apart from the upper height by a lower distance along the template leg acquires lower distance information, which is information about the distance from the template leg to the inner wall of the jacket pile at the lower height. acquisition phase;
A template tilt information acquisition step in which a tilt sensor unit configured on one side of the survey template acquires template tilt information, which is information about a tilt formed by a normal line of the horizontal plane of the template body with the vertical direction;
An information transmission step in which a communication module transmits the upper distance information, the lower distance information, and the template tilt information to a computing device;
A relative tilt information acquisition step in which the computing device acquires relative tilt information, which is information about a tilt of the jacket file with respect to the template leg, based on the lower gap, the upper distance information, and the lower distance information;
An absolute tilt information acquisition step in which the computing device acquires absolute tilt information, which is information about a tilt of the jacket file with respect to the vertical direction, based on the relative tilt information and the template tilt information;
A head height deviation information acquisition step in which the computing device acquires head height deviation information, which is information about the deviation between the head height of an adjacent jacket file and the mounting height, based on the template inclination information;
Head position difference information wherein the computing device acquires head position difference information regarding the position difference between the template leg and the center of the jacket file at the mounting height based on the top gap, the top distance information, and the relative tilt information. acquisition phase; and
A jacket leg adjustment step of adjusting the position of the jacket leg to be inserted into the jacket file, the jacket leg tilt, and the height of the jacket leg holder based on the absolute tilt information, the head position deviation information, and the head height deviation information.
Pre-piling construction method of marine jacket foundation structure using survey template.
In the pre-piling construction method of a marine jacket foundation structure using the survey template according to paragraph 3,
A leg insertion step in which a template leg extending downward from a template body supporting components of the survey template as the body of the survey template is inserted into the interior of a jacket pile buried in water;
An upper distance information acquisition step in which an upper sensor unit configured to be adjacent to the lower side of the template holder acquires upper distance information, which is information about the distance from the template leg to the inner wall of the jacket pile;
A template tilt information acquisition step in which a tilt sensor unit configured on one side of the survey template acquires template tilt information, which is information about a tilt formed by a normal line of the horizontal plane of the template body with the vertical direction;
An information transmission step in which a communication module transmits the upper distance information and the template tilt information to a computing device;
A head height deviation information acquisition step in which the computing device acquires head height deviation information, which is information about the deviation between the head height of an adjacent jacket file and the mounting height, based on the template inclination information;
A head position difference information acquisition step in which the computing device acquires head position difference information, which is information about the position difference between the template leg and the center of the jacket file at the mounting height based on the upper distance information; and
A jacket leg adjustment step of adjusting the position of the jacket leg to be inserted into the jacket file and the height of the jacket leg holder based on the head position deviation information and the head height deviation information.
Pre-piling construction method of marine jacket foundation structure using survey template.
According to clause 6,
A non-contact determination step in which the computing device determines that the template holder is not in contact with the head of the jacket pile when the upper distance information is greater than or equal to the inner radius of the jacket pile.
Pre-piling construction method of marine jacket foundation structure using survey template.