Vertical prefabrication method of steel bars for space curved surface structures

Abstract

The present application relates to the technical field of curved surface structure construction, and the present application provides a method for vertical prefabrication of steel bars for a spatial curved surface structure. The method includes at least the following steps: prefabricate main reinforcement positioning tooth plates between segments according to the preset segmentation of the spatial curved surface structure, and the main reinforcement positioning tooth plates are used in sequence from the bottom to the top of the structure; install the bottom main reinforcement positioning tooth plates and the top main reinforcement positioning tooth plates respectively based on the main reinforcement position of the current segment; tie the main reinforcement on the rigid skeleton of the current segment according to the bottom main reinforcement positioning tooth plates and the top main reinforcement positioning tooth plates; install horizontal reinforcement on the tied main reinforcement to complete the tying process of the steel bars of the current segment. The solution provided by the present application can realize the rapid and accurate positioning of the main reinforcement between segments.

Description

Technical Field

[0001] The present application relates to the technical field of curved surface structure construction, and in particular to a method for vertical prefabrication of steel bars for a spatial curved surface structure. Background Art

[0002] For the prefabrication of steel bars for spatial curved structures, the currently used method is to connect the main bars with straight threaded sleeves. However, this method has high requirements on precision, the joints of adjacent main bars need to be staggered, and the steel bars of the segmental rigid skeleton need to be matched 1+1, which increases the difficulty of positioning operations. In addition, this method requires a large site.

[0003] In addition, if the main reinforcement and stirrups are positioned using the traditional marking method, the positioning accuracy is low, and the main reinforcement positioning method in the traditional marking method is not suitable for the main reinforcement positioning of spatial curved surface structures.

[0004] Therefore, the existing vertical prefabrication scheme for steel bars of spatial curved surface structures has not been able to simultaneously reduce the difficulty of positioning operations and meet the technical requirements of high positioning accuracy and small site occupation. Summary of the invention

[0005] In view of the problem that the existing solutions for vertical prefabrication of steel bars for spatial curved surface structures have not been able to simultaneously reduce the difficulty of positioning operations and meet the technical requirements of high positioning accuracy and small site occupation, the present application provides a structure and method for vertical prefabrication of steel bars for spatial curved surface structures.

[0006] The present application provides a method for vertical prefabrication of steel bars for a spatial curved surface structure, the method comprising at least the following steps:

[0007] According to the preset segmentation of the spatial curved surface structure, main reinforcement positioning tooth plates are prefabricated between the segments, and the main reinforcement positioning tooth plates are sequentially used from the segments extending from the bottom to the top of the structure;

[0008] Install the bottom main reinforcement positioning tooth plate and the top main reinforcement positioning tooth plate respectively based on the main reinforcement position of the current segment;

[0009] The main reinforcement is tied on the rigid skeleton of the current segment according to the bottom main reinforcement positioning tooth plate and the top main reinforcement positioning tooth plate;

[0010] Install the horizontal reinforcement on the tied main reinforcement to complete the current segment reinforcement tying process.

[0011] In an optional embodiment, the step of prefabricating main reinforcement positioning tooth plates between segments according to the preset segmentation of the spatial curved surface structure includes:

[0012] According to the steel bar layout at the bottom and top of each segment, steel bar through holes with corresponding distribution forms are respectively provided for the bottom main bar positioning tooth plate and the top main bar positioning tooth plate corresponding to each segment.

[0013] In an optional embodiment, the step of respectively providing correspondingly distributed steel bar through holes on the bottom main bar positioning tooth plate and the top main bar positioning tooth plate corresponding to each segment further includes:

[0014] The top main reinforcement of the lower segment of the two adjacent segments is used to position the tooth plate, and the bottom main reinforcement of the upper segment is used to position the tooth plate.

[0015] In an optional embodiment, the step of respectively installing the bottom main reinforcement positioning tooth plate and the top main reinforcement positioning tooth plate based on the main reinforcement position of the current segment includes:

[0016] Install the bottom main reinforcement positioning tooth plate of the current segment;

[0017] Based on the position of the bottom main reinforcement positioning tooth plate, install the rigid skeleton and lashing platform of the current segment;

[0018] The top main reinforcement positioning tooth plate of the current segment is installed using the rigid skeleton of the current segment.

[0019] In an optional embodiment, the step of tying the main reinforcement on the rigid skeleton of the current segment according to the bottom main reinforcement positioning tooth plate and the top main reinforcement positioning tooth plate includes:

[0020] On the rigid skeleton of the current segment, the bottom ends of the main bars are arranged one by one in the steel bar through holes of the bottom main bar positioning tooth plate, and the top ends of the main bars are installed one by one in the corresponding steel bar through holes of the top main bar positioning tooth plate.

[0021] In an optional embodiment, before the step of installing horizontal bars on the tied main bars to complete the tying process of the current segment steel bars, the step further includes:

[0022] According to the distribution of the horizontal reinforcement frames in the current segment, corresponding horizontal reinforcement locators are set;

[0023] According to the preset distribution of the horizontal reinforcement, the horizontal reinforcement locator is installed on at least one main reinforcement of the current segment.

[0024] In an optional embodiment, if the current segment is located on the ground, the bottom main reinforcement positioning tooth plate of the current segment is fixed on the ground at a corresponding position according to the position of the spatial curved surface structure.

[0025] In an optional embodiment, the method for vertical prefabrication of steel bars for a spatial curved surface structure further comprises:

[0026] Based on the position of the top main reinforcement positioning tooth plate of the current segment, the rigid skeleton and lashing platform of the next segment are installed;

[0027] Install the main reinforcement positioning tooth plate at the top of the next segment on the rigid frame of the next segment;

[0028] The next segment is located above the current segment and forms two adjacent segments.

[0029] In an optional embodiment, the method for vertical prefabrication of steel bars for a spatial curved surface structure further comprises:

[0030] According to the bottom main reinforcement positioning tooth plate and the top main reinforcement positioning tooth plate of the next segment, the main reinforcement is tied on the rigid skeleton of the next segment.

[0031] In an optional embodiment, the step of tying the main reinforcement on the rigid skeleton of the next segment includes:

[0032] The bottom end of the main reinforcement of the next segment is passed through the reinforcement through hole of the bottom main reinforcement positioning tooth plate fixed thereto, and is butted one by one with the top end of the main reinforcement of the current segment.

[0033] The method for vertical prefabrication of steel bars for a spatial curved surface structure provided in the present application has the following beneficial effects:

[0034] Based on the vertical prefabrication method of steel bars for spatial curved surface structures provided by the present application, according to the distribution of main bars in each segment, a bottom main bar positioning tooth plate and a top main bar positioning tooth plate for installing the main bars are set, and the bottom main bar positioning tooth plate and the top main bar positioning tooth plate are used to preliminarily determine the position of each main bar using the rigid skeleton of the current segment, and then the installation position of the bottom and top ends of the main bars is fixed, so as to ensure that the installation position of each main bar can meet the preset binding requirements. In addition, horizontal bars are installed correspondingly on the main bars based on the completed binding process. In this prefabrication scheme, the installation position of each main bar is aligned according to the set position of the main bar positioning tooth plate of the current segment, so that there is no need to consider the outline of the spatial curved surface structure, and the positioning accuracy of the main bars of each segment can be guaranteed. Compared with the existing prefabrication method of steel bars for spatial curved surface structures, the difficulty of positioning the main bars is reduced, so as to improve the quality of the structure and work efficiency. Furthermore, this solution helps to reduce the difficulty of aligning the main reinforcements of each segment in the entire structure, especially between two adjacent segments, by reducing the difficulty of locating the main reinforcements of each segment.

[0035] Additional aspects and advantages of the present application will be partially given in the following description, which will become obvious from the following description, or will be learned through practice. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The above and / or additional aspects and advantages will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0037] Figure 1 A schematic flow chart of a method for vertical prefabrication of steel bars for a spatial curved surface structure provided in one embodiment of the present application;

[0038] Figure 2 A schematic diagram of the front structure of a section of a reinforced vertical prefabricated structure of a spatial curved surface structure provided by one embodiment of the present application;

[0039] Figure 3 A schematic diagram of a structure of a vertical prefabricated steel bar structure of a space curved surface structure provided by an embodiment of the present application from a top view;

[0040] Figure 4a for Figure 2 Schematic diagram of the structure of the top main reinforcement positioning tooth plate at the BB section. Figure 4b for Figure 2 The structural diagram of the bottom main reinforcement positioning tooth plate at the AA section;

[0041] Figure 4c for Figure 4b An enlarged view of a section of the bottom main reinforcement positioning tooth plate;

[0042] Figure 5 An embodiment of the present application provides a reinforced vertical prefabricated structure of a spatial curved surface structure formed by a rigid skeleton of two adjacent segments. DETAILED DESCRIPTION

[0043] The present application will be further described below in conjunction with the accompanying drawings and exemplary embodiments, wherein the same reference numerals in the accompanying drawings all refer to the same components. In addition, if the detailed description of the known technology is not necessary for illustrating the features of the present application, it will be omitted.

[0044] In view of the problem that the existing prefabrication scheme of steel bars for spatial curved surface structures has not been able to meet the technical requirements of high positioning accuracy and small site occupation while taking into account the difficulty of positioning operation, the present application provides a vertical prefabrication structure and method for steel bars for spatial curved surface structures.

[0045] refer to Figure 1-5 , Figure 1 A schematic diagram of a process flow of a method for vertical prefabrication of steel bars for a spatial curved surface structure provided in one embodiment of the present application. Figure 2 A schematic diagram of the front structure of a section of a reinforced vertical prefabricated structure of a spatial curved surface structure provided by an embodiment of the present application, Figure 3A schematic diagram of a structure of a vertical prefabricated steel bar structure of a space curved surface structure provided by an embodiment of the present application from a top view. Figure 4a for Figure 2 Schematic diagram of the structure of the top main reinforcement positioning tooth plate at the BB section. Figure 4b for Figure 2 The structural diagram of the bottom main reinforcement positioning tooth plate at the AA section. Figure 4c for Figure 4b An enlarged view of a section of the bottom main reinforcement positioning tooth plate. Figure 5 An embodiment of the present application provides a reinforced vertical prefabricated structure of a spatial curved surface structure formed by a rigid skeleton of two adjacent segments.

[0046] The method for vertical prefabrication of steel bars of a spatial curved surface structure comprises at least the following steps:

[0047] S110, prefabricating main reinforcement positioning tooth plates 3 between segments according to the preset segmentation of the spatial curved surface structure, and the main reinforcement positioning tooth plates 3 are used in sequence from the segments extending from the bottom to the top of the structure;

[0048] S120, based on the position of the main reinforcement 101 of the current segment D1, respectively install the bottom main reinforcement positioning tooth plate 301 and the top main reinforcement positioning tooth plate 302;

[0049] S130, tying the main reinforcement 101 on the rigid skeleton of the current segment D1 according to the bottom main reinforcement positioning tooth plate 301 and the top main reinforcement positioning tooth plate 302;

[0050] S140. Install horizontal reinforcement on the bound main reinforcement 101 to complete the binding process of the reinforcement of the current segment D1.

[0051] The spatial curved surface structure corresponding to the method comprises at least two sections, and the steel bars of two adjacent sections are butt-jointed one by one.

[0052] In the description of this embodiment, in order to clearly describe this solution, the current prefabricated segment is described in detail as the current segment D1.

[0053] Before executing the method, the main reinforcement 101 positioning tooth plate corresponding to each segment of the prefabricated spatial curved surface structure is prefabricated. The main reinforcement 101 positioning tooth plate is based on the installation sequence of each segment of the structure, and the main reinforcement 101 positioning tooth plate of the corresponding segment is used in the extending direction from the bottom to the top. For each segment, there is a bottom main reinforcement positioning tooth plate 301 and a top main reinforcement positioning tooth plate 302.

[0054] According to the position of the main reinforcement 101 of the current segment D1, that is, the preset installation position of the main reinforcement 101, the corresponding bottom main reinforcement positioning tooth plate 301 and top main reinforcement positioning tooth plate 302 are installed respectively. In this embodiment, they are the first bottom main reinforcement positioning tooth plate 311 and the first top main reinforcement positioning tooth plate 312. Among them, the bottom main reinforcement positioning tooth plate 311 is installed and fixed to the bottom end of the main reinforcement 101 of the current segment D1, and the top main reinforcement positioning tooth plate 312 is installed and fixed to the top end of the main reinforcement 101 of the current segment D1, so that the installation position of the main reinforcement 101 of the current segment D1 can meet the preset requirements.

[0055] Furthermore, S110 may further include:

[0056] According to the steel bar layout at the bottom and top of each segment, steel bar through holes 303 of corresponding distribution forms are respectively provided for the bottom main bar positioning tooth plate and the top main bar positioning tooth plate corresponding to each segment.

[0057] In this embodiment, corresponding steel bar through holes 303 are set according to the layout of the bottom and top ends of the main bars 101 of the current segment D1 on the first bottom main bar positioning tooth plate 311 and the first top main bar positioning tooth plate 312, including the distribution density and distribution range.

[0058] On the first bottom main reinforcement positioning tooth plate 311 and the first top main reinforcement positioning tooth plate 312 provided for the current segment D1 in this embodiment, within the range limited by the rigid skeleton 11 of the current segment D1, or even on the rigid skeleton 11, the main reinforcement 101 of the current segment D1 is tied, that is, the bottom end of each main reinforcement 101 is fixed to the first bottom main reinforcement positioning tooth plate 311, and the top end of each main reinforcement 101 is fixed to the corresponding position of the first top main reinforcement positioning tooth plate 312. The above embodiment of setting the steel bar through hole 303 is continued, and the position includes the steel bar through holes 303 located at the first bottom main reinforcement positioning tooth plate 311 and the first top main reinforcement positioning tooth plate 312 for the installed main reinforcement 101.

[0059] After completing the binding of the main reinforcement 101, according to the layout of the horizontal reinforcements arranged perpendicularly to the main reinforcement 101, the corresponding horizontal reinforcements are installed at the height position of the main reinforcement 101 of the segment. When all the horizontal reinforcements of the segment are installed, the reinforcement binding process of the segment is completed.

[0060] Based on the method for vertical prefabrication of steel bars for spatial curved structures provided by the present application, according to the distribution of the main bars 101 in each segment, the bottom main bar positioning tooth plate and the top main bar positioning tooth plate for installing the main bars 101 are set, and the bottom main bar positioning tooth plate and the top main bar positioning tooth plate are used to preliminarily determine the position of each main bar 101 using the rigid skeleton 11 of the current segment D1, and then the installation position of the bottom and top ends of the main bars 101 is fixed, so as to ensure that the installation position of each main bar 101 can meet the preset binding requirements. In addition, horizontal bars are correspondingly installed on the main bars 101 that have completed the binding process. In this prefabrication scheme, the installation position of each main reinforcement 101 is aligned according to the set position of the main reinforcement positioning tooth plate 3 of the current segment D1, so that the positioning accuracy of the main reinforcement 101 of each segment can be guaranteed without considering the contour of the spatial curved surface structure, and compared with the existing prefabrication method of steel bars for spatial curved surface structures, the difficulty of positioning the main reinforcement 101 is reduced, so as to improve the quality of the structure and improve work efficiency. In addition, by reducing the difficulty of positioning the main reinforcement 101 of each segment, this scheme helps to reduce the difficulty of aligning the main reinforcement 101 of each segment in the entire structure, especially between two adjacent segments.

[0061] On the basis of the above embodiment, the step S120 of installing the main rib positioning tooth plate 3 can further include:

[0062] Install the first bottom main reinforcement positioning tooth plate 311 of the current segment D1;

[0063] Based on the position of the first bottom main reinforcement positioning tooth plate 311, the rigid skeleton 1 and the lashing platform 2 of the current segment D1 are installed;

[0064] The first top main reinforcement positioning tooth plate 312 of the current segment D1 is installed using the rigid skeleton 1 of the current segment D1.

[0065] In the above three steps, firstly, based on the position of the current segment D1, including the height position of the segment and the spatial factors of the relative position between the segment and other segments, the first bottom main rib positioning tooth plate 311 is installed. Based on the position of the first bottom main rib positioning tooth plate 311, in this embodiment, Figure 3 As shown, a binding platform 2 is arranged on the outer side of the first bottom main reinforcement positioning tooth plate 311, and a rigid frame 1 is arranged on the inner side, so that construction workers can use the rigid frame 1 to bind the main reinforcement 101 on the binding platform 2 of the current segment D1.

[0066] If the current segment D1 is located on the ground, the first bottom main reinforcement positioning tooth plate 311 of the current segment D1 is fixed on the ground at a corresponding position according to the position of the spatial curved surface structure.

[0067] After completing the installation of the rigid frame 11, the first top main reinforcement positioning tooth plate 312 of the current segment D1 is installed on the rigid frame 1 at a set height position from the first bottom main reinforcement positioning tooth plate 311, thereby fixing the position of the top main reinforcement positioning tooth plate 3, which helps to provide an accurate positioning basis for the main reinforcement 101 during the binding process.

[0068] After the main reinforcement positioning tooth plate 3 of the current segment D1 is installed, the main reinforcement 101 binding process is started based on the positioning of the main reinforcement positioning tooth plate 3 of the segment. Step S130 of the above embodiment may further include:

[0069] On the rigid skeleton 11 of the current segment D1, the bottom ends of the main bars 101 are arranged one by one in the steel bar through holes 303 of the first bottom main bar positioning tooth plate 311, and the top ends of the main bars 101 are installed one by one in the corresponding steel bar through holes 303 of the top main bar positioning tooth plate 3.

[0070] Relying on the range and position limited by the rigid skeleton 1 of the current segment D1, according to the position of the steel bar through hole 303 to be installed, the main reinforcement 101 of corresponding length and model is selected, and the bottom ends of the main reinforcements 101 are set one by one in the steel bar through holes 303 corresponding to the first bottom main reinforcement positioning tooth plate 311 of the current segment D1, and then the top ends of the main reinforcements 101 are set in the steel bar through holes 303 corresponding to the first top main reinforcement positioning tooth plate 312, and the positions of the main reinforcement 101 and the first bottom main reinforcement positioning tooth plate 311 and the first top main reinforcement positioning tooth plate 312 are determined, and then the bottom ends of the main reinforcements 101 are respectively installed and fixed in the steel bar through holes 303 of the first bottom main reinforcement positioning tooth plate 311, and the top ends of the main reinforcements 101 are installed and fixed in the steel bar through holes 303 of the first top main reinforcement positioning tooth plate 312.

[0071] In this embodiment, for the installation process of multiple main reinforcements 101 in the segment, according to the relative position of the main reinforcement 101 and the tying platform 2, the installation starts from the main reinforcement 101 located in the inner ring, and the main reinforcements 101 are installed one by one layer by layer toward the outside.

[0072] After all the main reinforcements 101 of the segment are installed, the corresponding horizontal reinforcements are installed on each layer of the main reinforcements 101 from the inner ring to the outer ring. For each layer of the main reinforcements 101, a plurality of horizontal reinforcements are vertically arranged. For different horizontal reinforcements of the same layer, the respective setting heights are corresponding.

[0073] Before installing the horizontal reinforcement, a corresponding horizontal reinforcement locator 4 is set according to the distribution of the horizontal reinforcement 102 corresponding to each layer of main reinforcement 101. In addition, according to the preset distribution position of the horizontal reinforcement 102, the horizontal reinforcement locator 4 is installed on at least one main reinforcement 101 of the corresponding specific layer to ensure the accurate positioning of each horizontal reinforcement 102.

[0074] After completing the binding process of one section, the method for vertical prefabrication of steel bars for a spatial curved surface structure provided by the present application also includes how to continue the binding process of the next section D2. Specifically, it includes:

[0075] Based on the position of the first top main reinforcement positioning tooth plate 312 of the current segment D1 in the above embodiment, the rigid skeleton 1 and the lashing platform 2 of the next segment D2 are installed. That is, the first top main reinforcement positioning tooth plate 312 of the current segment D1 is used as the second bottom main reinforcement positioning tooth plate 331 of the next segment D2. In addition, the second top main reinforcement positioning tooth plate 332 of the next segment D2 is installed on the rigid skeleton 12 of the next segment D2.

[0076] In this embodiment, the next segment D2 is located above the current segment D1, and the two segments form two adjacent segments. The main rib positioning tooth plate 3, which is the first top main rib positioning tooth plate 312 of the current segment D1 and the second bottom main rib positioning tooth plate 331 of the next segment D2, is located at the butt joint J between the two adjacent segments.

[0077] The steel bar binding process of the next segment D2 is carried out on the rigid skeleton 12 of the next segment D2. In addition to the steps of the steel bar binding process of the current segment D1 provided in the above embodiment, the binding process also includes the connection of the main bars 101 between the two adjacent segments.

[0078] Specifically, during the process of installing the bottom main reinforcement positioning tooth plate 3 in the binding process, the upper and lower main reinforcements 101 at the corresponding positions of the two adjacent segments are butted one by one on the main reinforcement positioning tooth plate 3 of the butt joint surface J. Specifically, on the rigid skeleton 12 of the next segment D2, the bottom end of the main reinforcement 101 of the next segment D2 is penetrated with the steel bar through hole 303 of the second bottom main reinforcement positioning tooth plate 331, and is installed and fixed one by one. At this time, the main reinforcements 101 of the two adjacent segments are butted one by one at the steel bar through hole 303 of the main reinforcement positioning tooth plate 3.

[0079] Based on the method for vertical prefabrication of steel bars for a spatial curved structure of two adjacent segments provided in this embodiment of the present application, the main reinforcement positioning tooth plates on the butt surfaces of the two adjacent segments are used to fix and install the main reinforcements of the segments on the upper and lower sides respectively, and the main reinforcements on both sides are butt-jointed one by one with the help of the main reinforcement positioning tooth plates, thereby achieving the technical effect of accurately positioning and butt-jointing all the main reinforcements of any segment, thereby ensuring that the main reinforcements at the corresponding positions maintain continuity in the length direction and angular extension in at least two segments, thereby improving the construction efficiency of constructing the spatial curved structure.

[0080] Combination Figure 2-5For reference, a spatial curved structure is obtained based on the method provided in the above embodiment.

[0081] The steel bar vertical prefabricated structure of the spatial curved surface structure corresponding to the prefabrication method provided in the above embodiment comprises at least: a rigid skeleton 1 of at least two sections, a binding platform 2, and a main reinforcement positioning tooth plate 3.

[0082] like Figure 5 In the embodiment, the number of the rigid skeleton 1 in the reinforced vertical prefabricated structure of the spatial curved surface structure is two segments.

[0083] The rigid skeleton 1 of the two segments is the rigid skeleton of the adjacent two segments. The contact surface of the rigid skeleton 1 located at the adjacent two segments is the corresponding docking surface J. In this embodiment, the lashing platform 2 and the main reinforcement positioning tooth plate 3 are both arranged on the plane where the docking surface J is located. The main reinforcement positioning tooth plate 3 is arranged on the docking surface J, the rigid skeleton 1 is located on the inner side of the docking surface J, and the lashing platform 2 is located on the outer side of the docking surface J.

[0084] A plurality of steel bar through holes 303 are distributed and penetrated on the main reinforcement positioning tooth plate 3. When installing the main reinforcement 101, a corresponding number of main reinforcements 101 are provided according to the distribution mode and number of the steel bar through holes 303, and the installation is performed according to the position distribution of each main reinforcement 101 corresponding to the steel bar through hole 303. The outline of the main reinforcement positioning tooth plate 3 corresponds to the outline of the spatial curved surface structure to be built. Specifically, it corresponds to the layout outline of the main reinforcement 101 of the spatial curved surface structure to be built.

[0085] At the bottom of the same rigid frame 1, at least one bottom main reinforcement positioning tooth plate may be included, and at the top of the same rigid frame 1, at least one top main reinforcement positioning tooth plate may be included. Figure 4a The bottom position of the BB section in the figure includes the bottom main reinforcement positioning teeth 31 and 32. Figure 4b The top position of the AA section includes the top main reinforcement positioning tooth plates 33 and 34.

[0086] like Figure 5 As shown, for the structure of the rigid skeleton 1 of two adjacent segments, according to the order of construction, the segment located at the bottom is used as the current segment D1, and the segment located at the top is used as the next segment D2.

[0087] Fixed to the upper and lower ends of the rigid skeleton 11 of the current segment D1 are the first bottom main reinforcement positioning tooth plate 311 and the first top main reinforcement positioning tooth plate 312. Fixed to the upper and lower ends of the rigid skeleton 12 of the next segment D2 are the second bottom main reinforcement positioning tooth plate 331 and the second top main reinforcement positioning tooth plate 322.

[0088] In the plane where the butt joint surface J is located, the first top main rib positioning tooth plate 312 and the second bottom main rib positioning tooth plate 331 are substantially the same main rib positioning tooth plate 3 .

[0089] The main reinforcement positioning tooth plate 3 located on the joint surface J of the rigid frame 1 of two adjacent segments can fix and install the top end of the main reinforcement 101 fixed to the rigid frame 11 of the current segment D1, and can also fix and install the bottom end of the main reinforcement 101 fixed to the rigid frame 12 of the next segment D2.

[0090] In addition, the vertical prefabricated steel bar structure of the spatial curved surface structure further includes: a horizontal steel bar positioner 4. The horizontal steel bar positioner 4 is arranged on each segment rigid skeleton 1 along the vertical direction, and the horizontal steel bar positioner 4 of corresponding specifications is arranged, so that the horizontal bar 102 can be accurately preset at the installation position of the main bar 101.

[0091] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of disclosure involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above disclosed concept. For example, the above features are replaced with the technical features with similar functions disclosed in this application (but not limited to) by each other to form a technical solution.

Claims

1. A method for vertical prefabrication of steel bars for a spatial curved surface structure, characterized in that: The method comprises at least the following steps: According to the preset segmentation of the spatial curved surface structure, the main reinforcement positioning tooth plates between the segments are prefabricated, and the main reinforcement positioning tooth plates are sequentially used from the bottom to the top of the structure; according to the steel bar layout at the bottom and top of each segment, the bottom main reinforcement positioning tooth plates and the top main reinforcement positioning tooth plates corresponding to each segment are respectively provided with steel bar through holes in corresponding distribution forms; Install the bottom main reinforcement positioning tooth plate and the top main reinforcement positioning tooth plate respectively based on the main reinforcement position of the current segment; The main reinforcement is tied on the rigid skeleton of the current segment according to the bottom main reinforcement positioning tooth plate and the top main reinforcement positioning tooth plate; Install the horizontal reinforcement on the tied main reinforcement to complete the tying process of the reinforcement of the current segment; Based on the position of the top main reinforcement positioning tooth plate of the current segment, the rigid frame and binding platform of the next segment are installed; the top main reinforcement positioning tooth plate of the next segment is installed on the rigid frame of the next segment; wherein the next segment is located above the current segment and forms two adjacent segments.

2. The method for vertical prefabrication of steel bars for a spatial curved surface structure according to claim 1, characterized in that: The step of respectively providing correspondingly distributed steel bar through holes on the bottom main bar positioning tooth plate and the top main bar positioning tooth plate corresponding to each segment also includes: The top main reinforcement of the lower segment of the two adjacent segments is used to position the tooth plate, and the bottom main reinforcement of the upper segment is used to position the tooth plate.

3. The method for vertical prefabrication of steel bars for a spatial curved surface structure according to claim 2, characterized in that: The step of respectively installing the bottom main reinforcement positioning tooth plate and the top main reinforcement positioning tooth plate based on the main reinforcement position of the current segment includes: Install the bottom main reinforcement positioning tooth plate of the current segment; Based on the position of the bottom main reinforcement positioning tooth plate, install the rigid skeleton and lashing platform of the current segment; The top main reinforcement positioning tooth plate of the current segment is installed using the rigid skeleton of the current segment.

4. The method for vertical prefabrication of steel bars for a spatial curved surface structure according to claim 1, characterized in that: The step of tying the main reinforcement on the rigid skeleton of the current segment according to the bottom main reinforcement positioning tooth plate and the top main reinforcement positioning tooth plate includes: On the rigid skeleton of the current segment, the bottom ends of the main bars are arranged one by one in the steel bar through holes of the bottom main bar positioning tooth plate, and the top ends of the main bars are installed one by one in the corresponding steel bar through holes of the top main bar positioning tooth plate.

5. The method for vertical prefabrication of steel bars for a spatial curved surface structure according to claim 3, characterized in that: Before the step of installing the horizontal reinforcement on the tied main reinforcement to complete the tying process of the current segment reinforcement, the method further includes: According to the distribution of the horizontal reinforcement frames in the current segment, corresponding horizontal reinforcement locators are set; According to the preset distribution of the horizontal reinforcement, the horizontal reinforcement locator is installed on at least one main reinforcement of the current segment.

6. The method for vertical prefabrication of steel bars for a spatial curved surface structure according to claim 3, characterized in that ； If the current segment is located on the ground, the main reinforcement positioning tooth plate at the bottom of the current segment is fixed on the ground at a corresponding position according to the position of the spatial curved surface structure.

7. The method for vertical prefabrication of steel bars for a spatial curved surface structure according to claim 1, characterized in that: Also includes: According to the bottom main reinforcement positioning tooth plate and the top main reinforcement positioning tooth plate of the next segment, the main reinforcement is tied on the rigid skeleton of the next segment.

8. The method for vertical prefabrication of steel bars for a spatial curved surface structure according to claim 7, characterized in that: The step of tying the main reinforcement on the rigid skeleton of the next segment comprises: The bottom end of the main reinforcement of the next segment is passed through the reinforcement through hole of the bottom main reinforcement positioning tooth plate fixed thereto, and is butted one by one with the top end of the main reinforcement of the current segment.

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