CN110866301B - Modeling method for curve shield section - Google Patents
Modeling method for curve shield section Download PDFInfo
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- CN110866301B CN110866301B CN201911149404.6A CN201911149404A CN110866301B CN 110866301 B CN110866301 B CN 110866301B CN 201911149404 A CN201911149404 A CN 201911149404A CN 110866301 B CN110866301 B CN 110866301B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
Abstract
The application discloses a modeling method of a curve shield section, which comprises the following steps: constructing a general ring segment model in BIM modeling software Revit, wherein a wedge-shaped quantity is arranged between a segment assembly A surface and a segment assembly B surface; introducing a general loop chip model into SolidWorks software; an auxiliary assembly axis control ring A is constructed on the segment assembly surface A, and an auxiliary assembly axis control ring B is constructed on the segment assembly surface B; the auxiliary assembly axis control A ring of the one-ring universal ring segment model and the auxiliary assembly axis control B ring of the other-ring universal ring segment model are concentrically matched, the segment assembly A surface and the segment assembly B surface are enabled to be overlapped preliminarily, the segment assembly A surface and the segment assembly B surface are enabled to be overlapped accurately through rotating the universal ring segment model, accurate assembly of the two-ring universal ring segment model is completed, accurate assembly of the multi-ring universal ring segment model is completed in the mode, and a model of a curve shield section is constructed.
Description
Technical Field
The application relates to the technical field of shield tunnel segment construction, in particular to a modeling method for a curve shield section.
Background
In shield construction, the universal ring segment is a universal lining segment adopted in shield intervals of straight line segments, left turning segments and right turning segments, two sides of a circular ring of the universal ring are provided with a certain wedge-shaped quantity, the head and tail wedge-shaped surfaces of the universal ring are abutted, then the wedge-shaped contact surfaces are used as rotating planes, and the normal longitudinal axes of the wedge-shaped surfaces of the universal ring are used as rotating shafts to orderly rotate the universal ring segment. Through the rotation of the duct piece, the duct piece included angle of the head-tail butt joint is changed, and the rotation position is adjusted according to specific linear requirements, so that the universal ring can be adopted for arrangement in any curve form or straight line in one tunnel section, and the purposes of line fitting and deviation correcting are achieved. The conventional linear control is only checked in a two-dimensional chart and data, so that the linear state is difficult to visually judge, and the segment wedge-shaped quantity is only 10-20mm, and the segment size reaches 4000-10000mm, so that the segment model can not be accurately assembled in the existing BIM modeling software, and meanwhile, the linear three-dimensional model is difficult to establish.
Disclosure of Invention
The application provides a modeling method for a curve shield section, which aims to solve the technical problem that the existing modeling method cannot assemble a segment model to model the curve shield section.
According to one aspect of the application, there is provided a modeling method for a curved shield section formed by splicing multiple ring segments, the method comprising the steps of: constructing a general annular pipe sheet model in BIM modeling software Revit, wherein the end surfaces at two ends of the general annular pipe sheet model are a pipe sheet assembling A surface and a pipe sheet assembling B surface respectively, and a wedge-shaped amount is arranged between the pipe sheet assembling A surface and the pipe sheet assembling B surface; introducing a general loop chip model into SolidWorks software; an auxiliary assembly axis control ring A is constructed on the segment assembly surface A, the auxiliary assembly axis control ring A is perpendicular to the segment assembly surface A, an auxiliary assembly axis control ring B is constructed on the segment assembly surface B, and the auxiliary assembly axis control ring B is perpendicular to the segment assembly surface B; the segment assembly A surface of one ring of the universal annular segment model is preliminarily overlapped with the segment assembly B surface of the other ring of the universal annular segment model, the auxiliary assembly axis control A ring is concentrically matched with the auxiliary assembly axis control B ring of the other ring of the universal annular segment model, and the segment assembly A surface and the segment assembly B surface are accurately overlapped through rotating the universal annular segment model, so that accurate assembly of the two rings of the universal annular segment models is completed, accurate assembly of the multi-ring universal annular segment model is completed in this way, and a model for a curve shield interval is constructed.
Further, a general ring segment model is built in BIM modeling software Revit, and the method comprises the following steps: the general ring segment model is formed by assembling a plurality of block segment models, each block segment model comprises a capping segment K, two adjacent block segments L1 and L2 and three standard block segments B1, B2 and B3, a plurality of block segment models are sequentially constructed in BIM modeling software Revit, and the block segment models are assembled into an integral model of the general ring segment.
Further, the wedge-shaped amount between the segment assembling A surface and the segment assembling B surface is 30mm-40mm, and the radial dimension of the universal ring segment model is 4000mm-10000mm.
Further, the multi-ring universal ring segment model is assembled and constructed to obtain a model of a curve shield section, and the method comprises the following steps: the multi-ring universal annular pipe sheet model sequentially comprises a first universal annular pipe sheet model, a second universal annular pipe sheet model, … and an N-th universal annular pipe sheet model along the extending direction of a curve shield section, wherein a pipe sheet assembling A surface of the first universal annular pipe sheet model is preliminarily overlapped with a pipe sheet assembling B surface of the second universal annular pipe sheet model, and an auxiliary assembling axis control B ring of the first universal annular pipe sheet model is concentrically matched with an auxiliary assembling axis control A ring of the second universal annular pipe sheet model, so that the central axes of the auxiliary assembling axis control B ring of the first universal annular pipe sheet model and the auxiliary assembling axis control A ring of the second universal annular pipe sheet model are overlapped; the first universal annular pipe segment model and/or the second universal annular pipe segment model are/is controlled to rotate around the central axis of the auxiliary assembly axis control ring A and the central axis of the auxiliary assembly axis control ring B until the pipe segment assembly surface B of the first universal annular pipe segment model is precisely overlapped with the pipe segment assembly surface A of the second universal annular pipe segment model, so that the assembly of the first universal annular pipe segment model and the second universal annular pipe segment model is completed; in the same way, the first universal circular pipe segment model, the second universal circular pipe segment model, … and the Nth universal circular pipe segment model are assembled into a model of a curve shield zone.
Further, the segment assembly surface A of the first general annular tube segment model is preliminarily overlapped with the segment assembly surface B of the second general annular tube segment model, and the method comprises the following steps: and attaching the segment assembly B surface of the first universal annular segment model and the segment assembly A surface of the second universal annular segment model to the same plane, and enabling the segment assembly B surface of the first universal annular segment model and the segment assembly A surface of the second universal annular segment model to be preliminarily overlapped by translating the first universal annular segment model and/or the second universal annular segment model in the plane.
Further, after the universal loop chip model is imported into the SolidWorks software, the method further comprises the following steps: according to the quantity and the distribution included angle of the assembly points of the universal ring pipe piece, a plurality of auxiliary assembly point position fixing rings are respectively constructed at two ends of the outer ring surface of the universal ring pipe piece model, and the end surfaces of the auxiliary assembly point position fixing rings at the two ends are respectively parallel to the pipe piece assembly A surface and the pipe piece assembly B surface.
Further, ten auxiliary assembly point position fixing rings are uniformly distributed on the outer ring surface of the universal ring segment model along the circumferential direction, and the distribution included angle is 36 degrees.
Further, after the auxiliary assembly axis control B ring of the first general ring pipe segment model and the auxiliary assembly axis control A ring of the second general ring pipe segment model are concentrically matched, the method further comprises the following steps: according to the auxiliary assembly point position fixing ring on the first universal ring segment model and the auxiliary assembly point position fixing ring on the second universal ring segment model, the first universal ring segment model and/or the second universal ring segment model are/is rotated around the central axis of the auxiliary assembly axis control A ring and the central axis of the auxiliary assembly axis control B ring, so that the auxiliary assembly point position fixing rings on the first universal ring segment model and the second universal ring segment model are overlapped, and the two universal ring segment models are kept in a fixed state.
Further, after the model of the curve shield interval is constructed, the method further comprises the following steps: and (3) leading the shield design axis into SolidWorks software, adjusting the view angle into a plane overlooking angle, and observing the deviation between the axis of the curve shield section model and the shield design axis.
Further, according to the deviation between the axis of the observation curve shield section model and the shield design axis, the model selection of the subsequent universal ring segment is determined.
The application has the following beneficial effects:
according to the modeling method for the curve shield interval, firstly, a general ring segment model is built in BIM modeling software Revit, the end faces at two ends of the general ring segment model are segment assembling A face and segment assembling B face respectively, wedge-shaped quantity is arranged between the segment assembling A face and the segment assembling B face, then the general ring segment model is led into SolidWorks software, and the characteristic of high modeling precision of the SolidWorks software is utilized, but as the SolidWorks software cannot directly assemble two-ring general ring segment models with the wedge-shaped quantity, an auxiliary assembling axis control A ring is built on the segment assembling A face and is perpendicular to the segment assembling A face, an auxiliary assembling axis control B ring is built on the segment assembling B face and is perpendicular to the segment assembling B face, the segment assembling A face of one ring general ring segment model is preliminarily overlapped with the segment assembling B face of the other ring general ring segment model, the auxiliary axis control A ring is concentrically matched with the auxiliary axis control B ring of the other ring general ring segment model, and further the segment assembling B face is accurately overlapped with the curve shield interval is built through rotating the segment assembling B face.
In addition to the objects, features and advantages described above, the present application has other objects, features and advantages. The present application will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a flow chart of a modeling method of a curved shield section according to a preferred embodiment of the present application;
fig. 2 is a schematic structural view of a generic ring segment model according to a preferred embodiment of the present application.
Legend description:
1. a universal ring canal slice model; 11. segment assembly A surface; 2. the auxiliary assembly axis controls the ring A; 3. the auxiliary assembly axis controls the B ring; 4. auxiliary assembly point location fixing ring.
Detailed Description
Embodiments of the application are described in detail below with reference to the attached drawing figures, but the application can be practiced in a number of different ways, as defined and covered below.
FIG. 1 is a flow chart of a modeling method of a curved shield section according to a preferred embodiment of the present application; fig. 2 is a schematic structural view of a generic ring segment model according to a preferred embodiment of the present application.
As shown in fig. 1, the modeling method for the curve shield section of the embodiment includes the following steps: constructing a general ring duct piece model 1 in BIM modeling software Revit, wherein the end surfaces of two ends of the general ring duct piece model 1 are respectively a duct piece assembling A surface 11 and a duct piece assembling B surface, and a wedge-shaped amount is arranged between the duct piece assembling A surface 11 and the duct piece assembling B surface; introducing the universal ring segment model 1 into SolidWorks software; an auxiliary assembly axis control A ring 2 is constructed on a duct piece assembly A surface 11, the auxiliary assembly axis control A ring 2 is perpendicular to the duct piece assembly A surface 11, an auxiliary assembly axis control B ring 3 is constructed on a duct piece assembly B surface, and the auxiliary assembly axis control B ring 3 is perpendicular to the duct piece assembly B surface; the segment assembly A surface of one ring of the universal annular segment model 1 is preliminarily overlapped with the segment assembly B surface of the other ring of the universal annular segment model 1, the auxiliary assembly axis control A ring 2 is concentrically matched with the auxiliary assembly axis control B ring 3 of the other ring of the universal annular segment model 1, and the segment assembly A surface 11 and the segment assembly B surface are accurately overlapped by rotating the universal annular segment model 1, so that the accurate assembly of the two rings of the universal annular segment model 1 is completed, the accurate assembly of the multi-ring universal annular segment model 1 is completed in this way, and the model of the curve shield section is constructed. According to the modeling method for the curve shield section, firstly, a general ring segment model 1 is built in BIM modeling software Revit, the end faces at two ends of the general ring segment model 1 are a segment assembling A face 11 and a segment assembling B face respectively, a wedge-shaped amount is arranged between the segment assembling A face 11 and the segment assembling B face, then the general ring segment model 1 is led into SolidWorks software, and the characteristic of high modeling precision of the SolidWorks software is utilized, but as the SolidWorks software can not directly assemble the two ring general ring segment models 1 with the wedge-shaped amount, an auxiliary assembling axis control A ring 2 is built on the segment assembling A face 11 and is perpendicular to the segment assembling A face 11, an auxiliary assembling axis control B ring 3 is built on the segment assembling B face and is perpendicular to the segment assembling B face, and the segment assembling A face 11 and the segment assembling B face are accurately overlapped by rotating the general ring pipe segment model, so that the model of the curve shield section is built.
The method for establishing the universal ring segment model 1 in BIM modeling software Revit comprises the following steps: the general ring segment model 1 is formed by assembling a plurality of block segment models, wherein each block segment model comprises a capping segment K, two adjacent block segments L1 and L2 and three standard block segments B1, B2 and B3, a plurality of block segment models are sequentially constructed in BIM modeling software Revit, and the block segment models are assembled into an integral model of the general ring segment. The block segment model is built in BIM modeling software Revit, and the method comprises the following steps: setting a cluster tool environment and importing a profile; creating a block segment model; and (5) refining treatment. And carrying out refinement treatment on the blocky segment model by utilizing hollowness, lofting and fusion, wherein the refinement treatment comprises the creation of a hoisting hole and a bolt hole. In this embodiment, the method further includes simplifying the general ring segment model 1, integrating two adjacent segments L1 and L2 and three standard segments B1, B2 and B3, and assembling the segments with the back cover segment K to form a ring.
The wedge-shaped amount between the segment assembly A surface 11 and the segment assembly B surface is 30mm-40mm, and the radial dimension of the universal ring segment model 1 is 4000mm-10000mm. If the segment assembly a surface 11 of the one-ring universal ring segment model 1 and the segment assembly B surface of the other-ring universal ring segment model 1 are directly assembled, the segment assembly a surface 11 of the one-ring universal ring segment model 1 and the segment assembly B surface of the other-ring universal ring segment model 1 cannot be precisely overlapped, so that the difference between a model of a curve shield section assembled by the multi-ring universal ring segment model 1 and a curve shield section of on-site shield construction is large, and on-site shield construction linearity cannot be controlled according to the deviation between the axis of the model of the curve shield section and the shield design axis. In this embodiment, by constructing the auxiliary assembly axis control a ring 2 on the segment assembly a surface 11 and the auxiliary assembly axis control a ring 2 being perpendicular to the segment assembly a surface 11, constructing the auxiliary assembly axis control B ring 3 on the segment assembly B surface and the auxiliary assembly axis control B ring 3 being perpendicular to the segment assembly B surface, the auxiliary assembly axis control a ring 2 and the auxiliary assembly axis control B ring 3 are cylindrical rings, so that concentric coordination can be performed through the SolidWorks software, thereby assembling the multi-ring universal ring segment model 1 through the auxiliary effect of the auxiliary assembly axis control a ring 2 and the auxiliary assembly axis control B ring 3, and accurately overlapping the segment assembly a surface 11 and the segment assembly B surface of the adjacent two ring universal ring pipe segment model 1.
Assembling and constructing the multi-ring universal ring segment model 1 to obtain a model of a curve shield section, comprising the following steps: the multi-ring universal ring segment model 1 sequentially comprises a first universal ring segment model 1, second universal ring segment models 1 and … and an N-th universal ring segment model 1 along the extending direction of a curve shield zone, wherein a segment assembly A surface of the first universal ring segment model 1 is preliminarily overlapped with a segment assembly B surface of the second universal ring segment model 1, an auxiliary assembly axis control B ring 3 of the first universal ring segment model 1 is concentrically matched with an auxiliary assembly axis control A ring 2 of the second universal ring segment model 1, and therefore the central axis of the auxiliary assembly axis control B ring 3 of the first universal ring segment model 1 is overlapped with the central axis of the auxiliary assembly axis control A ring 2 of the second universal ring segment model 1; the first universal annular pipe segment model 1 and/or the second universal annular pipe segment model 1 are/is rotated around the central axis of the auxiliary assembly axis control A ring 2 and the auxiliary assembly axis control B ring 3 until the pipe segment assembly B surface of the first universal annular pipe segment model 1 is accurately overlapped with the pipe segment assembly A surface 11 of the second universal annular pipe segment model 1, so that the assembly of the first universal annular pipe segment model 1 and the second universal annular pipe segment model 1 is completed; in the same manner as described above, the first universal ring segment model 1, the second universal ring segment models 1, …, and the nth universal ring segment model 1 are assembled into a model of a curve shield section.
The segment assembly A surface of the first general ring segment model 1 is preliminarily overlapped with the segment assembly B surface of the second general ring segment model 1, and the method comprises the following steps: and attaching the segment assembly B surface of the first universal annular segment model 1 and the segment assembly A surface 11 of the second universal annular segment model 1 to the same plane, and enabling the segment assembly B surface of the first universal annular segment model 1 and the segment assembly A surface 11 of the second universal annular segment model 1 to be preliminarily overlapped by translating the first universal annular segment model 1 and/or the second universal annular segment model 1 in the plane.
After the universal ring segment model 1 is imported into the SolidWorks software, the method further comprises the following steps: according to the quantity and the distribution included angle of the assembly points of the universal ring segment, a plurality of auxiliary assembly point position fixing rings 4 are respectively constructed at two ends of the outer ring surface of the universal ring segment model 1, and the end surfaces of the auxiliary assembly point position fixing rings 4 at the two ends are respectively parallel to the segment assembly A surface 11 and the segment assembly B surface. Ten auxiliary assembly point location fixing rings 4 are uniformly distributed on the outer ring surface of the universal ring segment model 1 along the circumferential direction, and the distribution included angle is 36 degrees.
The segment assembly B surface of the first universal ring segment model 1 is precisely overlapped with the segment assembly A surface 11 of the second universal ring segment model 1, and the method comprises the following steps: according to the auxiliary assembly point position fixing ring 4 on the first universal ring segment model and the auxiliary assembly point position fixing ring 4 on the second universal ring segment model, the first universal ring segment model and/or the second universal ring segment model rotate around the central axis of the auxiliary assembly axis control A ring 2 and the auxiliary assembly axis control B ring 3, so that the auxiliary assembly point position fixing rings 4 on the first universal ring segment model and the second universal ring segment model are overlapped, and the two universal ring segment models are kept in a fixed state.
After the model of the curve shield interval is constructed, the method further comprises the following steps: and (3) leading the shield design axis into SolidWorks software, adjusting the view angle into a plane overlooking angle, and observing the deviation between the axis of the curve shield section model and the shield design axis. And determining the selection of the subsequent universal ring segments according to the deviation between the axis of the observation curve shield section model and the shield design axis. If the axis of the curve shield section model is far left relative to the shield design axis, the universal ring segment with the right splicing point is selected as the next universal ring segment, and if the axis of the curve shield section model is far right relative to the shield design axis, the universal ring segment with the left splicing point is selected as the next universal ring segment, so that the deviation between the axis of the shield tunnel actually constructed and the design axis is reduced.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. The modeling method of the curve shield section is characterized by comprising the following steps of:
constructing a general ring segment model (1) in BIM modeling software Revit, wherein the end surfaces at two ends of the general ring segment model (1) are segment assembly A surface (11) and segment assembly B surface respectively, and a wedge-shaped amount is arranged between the segment assembly A surface (11) and the segment assembly B surface;
introducing the universal ring segment model (1) into SolidWorks software;
an auxiliary assembly axis control A ring (2) is constructed on the pipe piece assembly A surface (11), the auxiliary assembly axis control A ring (2) is perpendicular to the pipe piece assembly A surface (11), an auxiliary assembly axis control B ring (3) is constructed on the pipe piece assembly B surface, and the auxiliary assembly axis control B ring (3) is perpendicular to the pipe piece assembly B surface;
according to the number and the distribution included angle of the assembly points of the universal ring segment, a plurality of auxiliary assembly point fixing rings (4) are respectively constructed at two ends of the outer ring surface of the universal ring segment model (1), and the end surfaces of the auxiliary assembly point fixing rings (4) at the two ends are respectively parallel to the segment assembly A surface (11) and the segment assembly B surface;
the segment assembly A surface of one ring of the universal ring segment model (1) is preliminarily overlapped with the segment assembly B surface of the other ring of the universal ring segment model (1), the auxiliary assembly axis control A ring (2) is concentrically matched with the auxiliary assembly axis control B ring (3) of the other ring of the universal ring segment model (1), meanwhile, the auxiliary assembly point position fixing ring (4) on the first universal ring segment model (1) and the auxiliary assembly point position fixing ring (4) on the second universal ring segment model (1) are matched according to concentric fit, the first universal ring segment model (1) and/or the second universal ring segment model (1) are rotated around the central axis of the auxiliary assembly axis control A ring (2) and the auxiliary assembly axis control B ring (3), the first universal ring segment model (1) and the auxiliary assembly point position fixing ring (4) on the second universal ring segment model segment (2) are enabled to be overlapped, the two ring segment A surface (11) and the segment assembly B surface are enabled to be accurately overlapped through rotating the universal ring segment model (1), and the multiple ring segment assembly curve of the two ring segment model (1) is accurately assembled in a shield construction mode, and the multiple ring segment assembly curve is accurately completed.
2. The modeling method of a curve shield section according to claim 1, wherein the building of the general ring segment model (1) in the BIM modeling software Revit comprises the following steps:
the general ring segment model (1) is formed by assembling a plurality of block segment models, wherein each block segment model comprises a capping segment K, two adjacent block segments L1 and L2 and three standard block segments B1, B2 and B3, a plurality of block segment models are sequentially constructed in BIM modeling software Revit, and the block segment models are assembled into an integral model of the general ring segment.
3. The method for modeling a curved shield segment according to claim 1,
the wedge-shaped quantity between the segment assembly A surface (11) and the segment assembly B surface is 30mm-40mm,
the radial dimension of the universal ring segment model (1) is 4000mm-10000mm.
4. The modeling method of a curve shield section according to claim 1, wherein the model of the curve shield section is obtained by assembling and constructing a multi-ring general ring segment model (1), and the method comprises the following steps:
the multi-ring universal ring segment model (1) sequentially comprises a first universal ring segment model (1), a second universal ring segment model (1), … and an N-th universal ring segment model (1) along the extending direction of a curve shield section, wherein a segment assembly A surface of the first universal ring segment model (1) is preliminarily overlapped with a segment assembly B surface of the second universal ring segment model (1), an auxiliary assembly axis control B ring (3) of the first universal ring segment model (1) is concentrically matched with an auxiliary assembly axis control A ring (2) of the second universal ring segment model (1), and therefore the central axis of the auxiliary assembly axis control B ring (3) of the first universal ring segment model (1) is overlapped with the central axis of the auxiliary assembly axis control A ring (2) of the second universal ring segment model (1);
the method comprises the steps that a first universal ring segment model (1) and/or a second universal ring segment model (1) rotate around a central axis of an auxiliary assembling axis control A ring (2) and an auxiliary assembling axis control B ring (3) until a segment assembling B surface of the first universal ring segment model (1) is precisely overlapped with a segment assembling A surface (11) of the second universal ring segment model (1), so that assembling of the first universal ring segment model (1) and the second universal ring segment model (1) is completed;
in the same way, the first universal ring segment model (1), the second universal ring segment model (1), … and the Nth universal ring segment model (1) are assembled into a model of a curve shield zone.
5. The modeling method of a curve shield section according to claim 4, wherein a segment assembly a face of a first general ring segment model (1) is preliminarily overlapped with a segment assembly B face of a second general ring segment model (1), comprising the steps of:
and attaching the segment assembly B surface of the first universal ring segment model (1) and the segment assembly A surface (11) of the second universal ring segment model (1) to the same plane, and enabling the segment assembly B surface of the first universal ring segment model (1) and the segment assembly A surface (11) of the second universal ring segment model (1) to be preliminarily overlapped by translating the first universal ring segment model (1) and/or the second universal ring segment model (1) in the plane.
6. The method for modeling a curved shield segment according to claim 1,
ten auxiliary assembly point location fixing rings (4) are uniformly distributed on the outer ring surface of the universal ring segment model (1) along the circumferential direction, and the angle of the distribution included angle is 36 degrees.
7. The modeling method of a curved shield section according to claim 1, further comprising the steps of, after constructing a model of the curved shield section:
and (3) leading the shield design axis into SolidWorks software, adjusting the view angle into a plane overlooking angle, and observing the deviation between the axis of the curve shield section model and the shield design axis.
8. The method for modeling a curved shield segment according to claim 7,
and determining the selection of the subsequent universal ring segments according to the deviation between the axis of the observation curve shield section model and the shield design axis.
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| CN110866301A (en) | 2020-03-06 |
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