CN112814416A - Method for reinforcing C-shaped purline simply-supported support into continuous support and support - Google Patents
Method for reinforcing C-shaped purline simply-supported support into continuous support and support Download PDFInfo
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- CN112814416A CN112814416A CN202110139843.XA CN202110139843A CN112814416A CN 112814416 A CN112814416 A CN 112814416A CN 202110139843 A CN202110139843 A CN 202110139843A CN 112814416 A CN112814416 A CN 112814416A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 14
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 161
- 238000010079 rubber tapping Methods 0.000 claims abstract description 79
- 239000010959 steel Substances 0.000 claims abstract description 56
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 238000009434 installation Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 210000001364 upper extremity Anatomy 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention discloses a method for reinforcing a C-shaped purlin simple support to a continuous support in a light steel factory building and a reinforced C-shaped purlin, which comprises the following steps of 1, taking a steel plate and L-shaped steel, determining the sizes of the steel plate and the L-shaped steel according to the size of a purlin body, taking the steel plate as an upper flange reinforcing steel plate, and taking two vertical plate surfaces of the L-shaped steel as a web reinforcing steel plate and a lower flange reinforcing steel plate respectively; step 2, second connecting holes are formed in the portion, used as the web plate reinforcing steel plate, of the L-shaped steel, and the distance between the second connecting holes is equal to the distance between first connecting holes, used for being connected with the purlin supporting plate, on the purlin body; and 3, respectively installing the upper flange reinforcing steel plate, the web reinforcing steel plate and the lower flange reinforcing steel plate on the upper flange, the web and the lower flange of the purlin body by adopting the first self-tapping screws, the second self-tapping screws and the third self-tapping screws, and enabling the second connecting holes to correspond to the first connecting holes in the web. The invention enhances the rigidity of the purline and prevents the plant purline from bending and deforming after photovoltaic load is installed.
Description
Technical Field
The invention relates to a method for reinforcing a C-shaped purline simply-supported support into a continuous support and the support.
Background
Solar photovoltaic power generation is used as clean and environment-friendly green energy and is the basis of future energy structures, and the important subject of enhancing the utilization of clean energy is to search for a fully and reasonably arranged and utilized solar photovoltaic power generation mode. In particular, attaching solar photovoltaic to building surfaces is an important way. The world energy organization proposed a solar photovoltaic building integration concept as early as 1986, namely bipv (building Integrated photovoltaic), which can be roughly divided into two forms: firstly, directly regard as the external envelope's of building component with the photovoltaic, accomplish the installation and build when the building construction, this kind of form can exert its power generation function, has the building envelope function simultaneously again concurrently. And the other is used as a building auxiliary equipment facility which is installed on the surface of the building after the construction is finished. In order to fully exert the solar photovoltaic function, the solar photovoltaic roof has large area and good lighting, which is the basic requirement for the photovoltaic roof. The light steel factory building roof is large in area and less in shielding, is combined with solar photovoltaic, exerts the advantages of the characteristics of the roof, and can embody the concept of integration of solar photovoltaic buildings practically. The constant load value of the roof of a common light steel factory building is 0.25-0.30kN/m2After the photovoltaic is newly added, the constant load amplification reaches 0.20-0.25kN/m2. Therefore, after the photovoltaic load is newly added, secondary checking calculation is needed for the bearing capacity and deformation of the original structure system, necessary reinforcement measures are taken, and the basic guarantee for realizing the light steel photovoltaic mounted roof safely and reliably is achieved. For the reinforcing scheme and method of the light steel factory building, the beam and the column can clearly define corresponding reinforcing methods according to relevant specifications and drawing sets. And for purlin members, particularly for purlins with C-shaped sections, the nodes between the factory building purlins with large occupation ratio are hinged, and the hinged members at two ends basically have no strength reserve when being observed from the angle of a limit state design method. Is composed ofThe bearing capacity margin of the purline is improved, the purline joints are changed into rigid connection through corresponding reinforcing measures by hinging, so that the internal force redistribution of the component is induced, and the midspan bending moment and deformation are reduced.
Disclosure of Invention
The invention aims to provide a method for reinforcing a C-shaped purlin simply-supported support into a continuous support, and the method is used for solving the technical defect that the C-shaped purlin in the prior art cannot meet the requirement of bearing newly-increased load of a roof-mounted photovoltaic panel.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the method for reinforcing the C-shaped purlin simply-supported support of the light steel factory building into the continuous support comprises the following steps,
step 1, taking a steel plate and L-shaped steel, determining the sizes of the steel plate and the L-shaped steel according to the size of the purline, taking the steel plate as an upper flange reinforcing steel plate, and taking two vertical plate surfaces of the L-shaped steel as a web reinforcing steel plate and a lower flange reinforcing steel plate respectively.
And 2, forming second connecting holes in the part of the L-shaped steel used as the web plate reinforcing steel plate, so that the distance between the second connecting holes is equal to the distance between the first connecting holes on the purlin body and used for being connected with the purlin supporting plate.
And 3, respectively installing the upper flange reinforcing steel plate, the web reinforcing steel plate and the lower flange reinforcing steel plate on the upper flange, the web and the lower flange of the purlin body by adopting the first self-tapping screws, the second self-tapping screws and the third self-tapping screws, and enabling the second connecting holes to correspond to the first connecting holes in the web.
According to the method, the rigidity of the upper wing plate, the rigidity of the web plate and the rigidity of the lower wing plate are respectively improved by additionally arranging the flange reinforcing steel plate, the web plate reinforcing steel plate and the lower flange reinforcing steel plate on the purline body, and after the photovoltaic load is additionally arranged on the purline of the plant roof, the purline is prevented from bending and deforming due to the increased photovoltaic load, so that the safety of the plant roof is guaranteed.
As a further improvement of the invention, in step 3, the upper flange reinforcing steel plate, the web reinforcing steel plate and the lower flange reinforcing steel plate are respectively attached to the upper flange, the web and the lower flange of the purlin body, the distances between the ends of the upper flange reinforcing steel plate, the web reinforcing steel plate and the lower flange reinforcing steel plate and the end of the purlin body are measured, and the mounting positions of the upper flange reinforcing steel plate, the web reinforcing steel plate and the lower flange reinforcing steel plate are determined.
According to the invention, the installation positioning of the upper flange reinforcing steel plate, the web reinforcing steel plate and the lower flange reinforcing steel plate can be realized only by measuring the distances between the upper flange reinforcing steel plate, the web reinforcing steel plate and the lower flange reinforcing steel plate and the end parts of the purlines, so that the implementation of the invention is facilitated.
As a further improvement of the invention, the lengths of the upper flange reinforcing steel plate, the web reinforcing steel plate and the lower flange reinforcing steel plate are greater than or equal to 1/10 of the length of the purlin body and less than or equal to the length of the purlin body. The invention can effectively transfer load, can ensure that the rigidity of the purline is increased, does not increase the overall weight of the purline too much, and avoids the problem that the weight of a plant roof is increased too much due to the increase of the overall weight of the purline, thereby increasing the bearing burden of the plant wall.
As a further improvement of the present invention, in step 1, the upper-flange reinforcing steel plate, the web reinforcing steel plate, and the lower-flange reinforcing steel plate are marked where the first tapping screw, the second tapping screw, and the third tapping screw are to be installed, respectively. The upper flange reinforcing steel plate, the web reinforcing steel plate and the lower flange reinforcing steel plate are marked in advance, so that the subsequent installation is facilitated.
The invention also provides a C-shaped purlin continuous support which comprises a purlin body, wherein the purlin body comprises an upper flange, a web and a lower flange, the upper flange, the web and the lower flange are equal in length, one side edge of the upper flange is fixed with the top edge of the web, one side edge of the lower flange is fixed with the bottom edge of the web, the upper flange and the lower flange are positioned on the same side of the web, the upper flange and the lower flange are perpendicular to the web, one sides of the upper flange and the lower flange, which are far away from a compound plate, are respectively provided with an upper leg plate and a lower leg plate, the upper leg plate and the lower leg plate are oppositely arranged and are perpendicular to the upper flange and the lower flange, the web is provided with a first connecting hole for connecting with a purlin support plate in a use state, and the C-shaped purlin continuous support further comprises an upper flange reinforcing steel plate, a web reinforcing steel plate and a lower flange reinforcing steel plate, the, the bottom flange reinforcing steel plate is arranged on the bottom flange and is attached to the surface, close to the upper flange, of the bottom flange, the web reinforcing steel plate is provided with second connecting holes, the number of the second connecting holes is the same as that of the first connecting holes, the web reinforcing steel plate is arranged on the web and is attached to one side face, close to the bottom flange, of the web, the first connecting holes correspond to the second connecting holes, and the bottom edge of the web reinforcing steel plate is connected with one side edge, close to the web, of the bottom flange reinforcing steel plate. The upper flange reinforcing steel plate, the web reinforcing steel plate and the lower flange reinforcing steel plate respectively improve the rigidity of the upper flange, the web and the lower flange of the purlin, so that the rigidity of the C-shaped purlin is integrally improved, the C-shaped purlin is prevented from bending deformation caused by bearing photovoltaic load when in use, and the safety of a plant is improved.
As a further improvement of the invention, the web reinforcing steel plate and the lower flange reinforcing steel plate are made of L-shaped steel plates. The web plate reinforcing steel plate and the lower wing reinforcing steel plate are made of the L-shaped steel, so that the web plate reinforcing steel plate and the lower wing reinforcing steel plate are convenient to position when being installed, the right angle of the L-shaped steel is matched with the right angle formed by the web plate of the purlin and the lower wing plate, two mutually vertical plate surfaces of the L-shaped steel are respectively leaned on the web plate and the lower wing plate, and the distance between the end part of the L-shaped steel and the end part of the purlin is determined, so that the positioning of the web plate reinforcing steel plate and the lower wing plate reinforcing steel plate can be achieved, and the manufacturing of.
As a further improvement of the invention, the upper flange reinforcing steel plate, the web reinforcing steel plate and the lower flange reinforcing steel plate are respectively arranged on the upper flange, the web and the lower flange by adopting a first self-tapping screw, a second self-tapping screw and a third self-tapping screw. The upper flange reinforcing steel plate, the web reinforcing steel plate and the lower flange reinforcing steel plate are installed by the self-tapping screws, and the installation of the purlin body can be completed by screwing the self-tapping screws without drilling holes in the upper flange reinforcing steel plate, the web reinforcing steel plate, the lower flange reinforcing steel plate and the purlin body in advance, so that the purlin body is further convenient to manufacture.
As a further improvement of the present invention, the first tapping screws are provided in two rows, each of the rows being plural, and the plural first tapping screws are arranged at equal intervals.
As a further improvement of the invention, the second self-tapping screws comprise three rows of upper, middle and lower rows, and the parts of the second self-tapping screws in each row, which are positioned at two sides of the second connecting hole, are arranged at equal intervals.
As a further improvement of the present invention, the third tapping screws are provided in two rows, each of the rows being plural, and the plural third tapping screws are arranged at equal intervals.
In conclusion, the beneficial effects of the invention are as follows: the invention enhances the rigidity of the purline, prevents the plant purline from bending and deforming after photovoltaic load is installed, and improves the safety of the plant roof.
Drawings
Fig. 1 is a longitudinal cross-sectional view reflecting the body of a purlin of the present application.
Fig. 2 is a longitudinal cross-sectional view of a continuous support reflecting the type C purlin of the present application.
Fig. 3 is a front view showing the web reinforcing steel plate and the lower flange reinforcing steel plate in the present application.
Fig. 4 is a sectional view a-a of fig. 3.
Fig. 5 is a front view showing a state where the web reinforcing steel plate and the lower flange reinforcing steel plate are mounted in the present application.
Wherein: 1. an upper flange; 2. a web; 3. a lower flange; 4. reinforcing a steel plate by using an upper flange; 5. reinforcing a steel plate by a web plate; 6. reinforcing a steel plate by using a lower flange; 7. a first connection hole; 8. a second connection hole; 9. a first tapping screw; 10. a second tapping screw; 11. a third tapping screw; 12. an upper leg plate; 13. a lower leg plate.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. The length direction of the C-shaped purline is defined as the left-right direction.
Example 1
The embodiment is a method for reinforcing a C-shaped purline simply-supported support into a continuous support, which comprises the following steps of 1, taking a steel plate andl shaped steel to according to the size of purlin body confirms the size of steel sheet and L shaped steel, the length of purlin body is L in this embodiment1Wherein the degree of twining of steel sheet is less than the width on purlin body top flange 1, and the width of the great one side of L shaped steel width is less than the height of purlin body, and the width of the less one side of L shaped steel width is less than the width on bottom flange 3, and the length of the steel sheet of getting in this embodiment equals with the length of L shaped steel, is L shaped steel2The steel plate is used as an upper flange reinforcing steel plate 4, two vertical plate surfaces of the L-shaped steel are respectively used as a web reinforcing steel plate 5 and a lower flange reinforcing steel plate 6, wherein L1And l2Are all real numbers greater than zero.
And 3, respectively installing the upper flange reinforcing steel plate 4, the web reinforcing steel plate 5 and the lower flange reinforcing steel plate 6 on the upper flange 1, the web 2 and the lower flange 3 of the purlin body by adopting first self-tapping screws 9, second self-tapping screws 10 and third self-tapping screws 11, and enabling the second connecting holes 8 to correspond to the first connecting holes 7 on the web 2, namely enabling the second connecting holes 8 to be collinear with the central lines of the first connecting holes 7.
In step 3, the upper flange reinforcing steel plate 4, the web reinforcing steel plate 5 and the lower flange reinforcing steel plate 6 are respectively attached to the upper flange 1, the web 2 and the lower flange 3 of the purlin body, the distances between the ends of the upper flange reinforcing steel plate 4, the web reinforcing steel plate 5 and the lower flange reinforcing steel plate 6 and the end of the purlin body are measured, the mounting positions of the upper flange reinforcing steel plate 4, the web reinforcing steel plate 5 and the lower flange reinforcing steel plate 6 are determined, and the distances between the two ends of the upper flange reinforcing steel plate 4, the two ends of the web reinforcing steel plate 5 and the two ends of the lower flange reinforcing steel plate 6 and the two ends of the purlin body are equal.
The lengths of the upper flange reinforcing steel plate 4, the web reinforcing steel plate 5 and the lower flange reinforcing steel plate 6 in the embodiment are greater than or equal to 1/10 of the length of the purlin body and less than or equal to the length of the purlin body, namely l1/10≤l2≤l1Preferred in this embodiment2=l1/2. In this embodiment, before the upper-flange reinforcing steel plate 4, the web reinforcing steel plate 5, and the lower-flange reinforcing steel plate 6 are mounted on the purlin body, the mounting positions of the first tapping screws 9, the second tapping screws 10, and the third tapping screws 11 may be marked on the upper-flange reinforcing steel plate 4, the web reinforcing steel plate 5, and the lower-flange reinforcing steel plate 6, respectively.
In step 1, the first tapping screw 9, the second tapping screw 10 and the third tapping screw 11 are marked on the upper-flange reinforcing steel plate 4, the web reinforcing steel plate 5 and the lower-flange reinforcing steel plate 6, respectively, for example, an oiled pen is used for marking or a punch is used for punching a pit, etc., so as to facilitate the installation and positioning of the first tapping screw 9, the second tapping screw 10 and the third tapping screw 11 in step 3.
Example 2
The embodiment is a C-shaped purlin continuous support, as shown in fig. 1 to 5, the C-shaped purlin continuous support comprises a purlin body, the purlin body comprises an upper flange 1, a web 2 and a lower flange 3 which are equal in length, one side edge of the upper flange 1 is fixed with the top edge of the web 2, one side edge of the lower flange 3 is fixed with the bottom edge of the web 2, the upper flange 1 and the lower flange 3 are positioned on the same side of the web 2, the upper flange 1 and the lower flange 3 are both perpendicular to the web 2, one sides of the upper flange 1 and the lower flange 3, which are far away from a composite plate, are respectively provided with an upper leg plate 12 and a lower leg plate 13, the upper leg plate 12 and the lower leg plate 13 are oppositely arranged and are respectively perpendicular to the upper flange 1 and the lower flange 3, the web 2 is provided with a first connecting hole 7 for connecting with a purlin supporting plate in a use state, the preferred purlin body of the embodiment is integrally formed by the upper flange 1, the web 2, the lower flange 3, the upper leg plate 12 and the lower leg plate 13, the number of the first connecting holes 7 in this embodiment is four, the centers of the four first connecting holes 7 are located on four vertexes of a rectangle, and the distance between the two first connecting holes 7 on the left side and the left end of the web 2 is equal to the distance between the two first connecting holes 7 on the right side and the right end of the web 2.
This embodiment installs upper limb on the purlin body and consolidates steel sheet 4, web reinforcement steel sheet 5 and lower flange reinforcement steel sheet 6, upper limb consolidates 4 detachable settings on upper flange 1, and laminate mutually with the face that upper limb 1 is close to lower flange 3, lower flange reinforcement steel sheet 6 detachable sets up on lower flange 3, and laminate mutually with the face that lower flange 3 is close to upper flange 1, it has the second connecting hole 8 that quantity and first connecting hole 7 are the same to open on web reinforcement steel sheet 5, web reinforcement steel sheet 5 detachable sets up and laminates mutually with web 2 is close to lower flange side on web 2, and first connecting hole 7 is corresponding with second connecting hole 8, web reinforcement steel sheet 5's bottom edge and lower flange reinforcement steel sheet 6 are close to a side edge of web 2 and are connected. The web reinforcing steel plate 5 and the lower flange reinforcing steel plate 6 in this embodiment are preferably made of L-shaped steel plates, and two perpendicular surfaces of the L-shaped steel plates are used as the web reinforcing steel plate 5 and the lower flange reinforcing steel plate 6, respectively, when being mounted on the purlin body.
The concrete structure that this embodiment realizes that steel sheet 4 is consolidated to the upper flange, web reinforcing steel sheet 5 and 6 demountable installation of steel sheet are consolidated to the lower flange is: with the top flange reinforcing steel plate 4, the web reinforcing steel plate 5 and the bottom flange reinforcing steel plate 6 adopt first self-tapping screw 9 respectively, second self-tapping screw 10 and third self-tapping screw 11 are installed on top flange 1, web 2 and bottom flange 3, the tapping screw can directly reinforce steel plate 4 on the top flange on the one hand, the drilling hole is drilled on web reinforcing steel plate 5 and bottom flange reinforcing steel plate 6 and with this body coupling of purlin, on the other hand demolish the tapping screw and can consolidate steel plate 4 with the top flange, the web reinforcing steel plate 5 and bottom flange reinforcing steel plate 6 are dismantled from the purlin body.
In this embodiment, there are two rows of the first tapping screws 9, each row is composed of a plurality of first tapping screws 9, and the plurality of first tapping screws 9 are arranged at equal intervals, and the distance between two adjacent first tapping screws 9 in each row is equal to the row pitch of the two rows of first tapping screws 9.
In this embodiment, the second tapping screws 10 include three rows, i.e., the upper row, the middle row and the lower row, and the portions of each row of the second tapping screws 10 located at both sides of the second connecting hole 8 are equally spaced, in this embodiment, the number of the uppermost row of the second tapping screws 10 is the same as that of the lowermost row of the second tapping screws 10, and the number of the middle row of the second tapping screws 10 is one more than that of the uppermost row and the lowermost row of the second tapping screws 10.
In this embodiment, there are two rows of the third tapping screws 11, each row includes a plurality of third tapping screws 11, and the plurality of third tapping screws 11 are arranged at equal intervals, and a distance between two adjacent third tapping screws 11 in each row is equal to a row pitch of the two rows of third tapping screws 11.
It is preferable that the number of the first tapping screws 9 and the number of the third tapping screws 11 are equal, and the distance between two adjacent first tapping screws 9 in the same row is equal to the distance between two adjacent third tapping screws 11 in the same row, and the distance between two adjacent second tapping screws 10 in each row at both side portions of the second attaching hole 8 is equal to the distance between two adjacent third tapping screws 11 in the same row.
Parts which are not specifically described in the above description are prior art or can be realized by the prior art. The specific embodiments of the present invention are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. That is, all equivalent changes and modifications made according to the contents of the claims of the present invention should be regarded as the technical scope of the present invention.
Claims (10)
- The reinforcing method for changing the C-shaped purlin simply-supported support into the continuous support is characterized by comprising the following steps of: comprises the following steps of (a) carrying out,step 1, taking a steel plate and L-shaped steel, determining the sizes of the steel plate and the L-shaped steel according to the size of a purline body, taking the steel plate as an upper flange reinforcing steel plate (4), and taking two vertical plate surfaces of the L-shaped steel as a web reinforcing steel plate (5) and a lower flange reinforcing steel plate (6) respectively;step 2, second connecting holes (8) are formed in the portion, used as the web plate reinforcing steel plate (5), of the L-shaped steel, and the distance between the second connecting holes (8) is equal to the distance between first connecting holes (7) used for being connected with the purlin supporting plate on the purlin body;and 3, respectively installing the upper flange reinforcing steel plate (4), the web reinforcing steel plate (5) and the lower flange reinforcing steel plate (6) on the upper flange (1), the web (2) and the lower flange (3) of the purlin body by adopting first self-tapping screws (9), second self-tapping screws (10) and third self-tapping screws (11), and enabling the second connecting holes (8) to correspond to the first connecting holes (7) in the web (2).
- 2. The method of claim 1, wherein: in the step 3, the upper flange reinforcing steel plate (4), the web reinforcing steel plate (5) and the lower flange reinforcing steel plate (6) are respectively attached to the upper flange (1), the web (2) and the lower flange (3) of the purlin body, the distances between the end parts of the upper flange reinforcing steel plate (4), the web reinforcing steel plate (5) and the lower flange reinforcing steel plate (6) and the end parts of the purlin body are measured, and the installation positions of the upper flange reinforcing steel plate (4), the web reinforcing steel plate (5) and the lower flange reinforcing steel plate (6) are determined.
- 3. The method of claim 2, wherein: the lengths of the upper flange reinforcing steel plate (4), the web reinforcing steel plate (5) and the lower flange reinforcing steel plate (6) are greater than or equal to 1/10 of the length of the purlin body and less than or equal to the length of the purlin body.
- 4. A method according to claim 1 or 2 or 3, characterized in that: in the step 1, the positions, used for installing the first self-tapping screws (9), the second self-tapping screws (10) and the third self-tapping screws (11), on the upper flange reinforcing steel plate (4), the web reinforcing steel plate (5) and the lower flange reinforcing steel plate (6) are respectively marked.
- 5. The C-shaped purlin continuous support comprises a purlin body, wherein the purlin body comprises an upper flange (1), a web (2) and a lower flange (3) which are equal in length, one side edge of the upper flange (1) is fixed with the top edge of the web (2), one side edge of the lower flange (3) is fixed with the bottom edge of the web (2), the upper flange (1) and the lower flange (3) are positioned on the same side of the web (2), the upper flange (1) and the lower flange (3) are both vertical to the web (2), one sides of the upper flange (1) and the lower flange (3) far away from a compound plate are respectively provided with an upper leg plate (12) and a lower leg plate (13), the upper leg plate (12) and the lower leg plate (13) are oppositely arranged and are respectively vertical to the upper flange (1) and the lower flange (3), the web (2) is provided with a first connecting hole (7) for connecting with the purlin support in a use state, the method is characterized in that: also comprises an upper flange reinforcing steel plate (4), a web reinforcing steel plate (5) and a lower flange reinforcing steel plate (6), wherein the upper flange reinforcing steel plate (4) is arranged on the upper flange (1), and is jointed with the surface of the upper flange (1) close to the lower flange (3), a lower flange reinforcing steel plate (6) is arranged on the lower flange (3), and is jointed with the surface of the lower flange (3) close to the upper flange (1), the web plate reinforcing steel plate (5) is provided with second connecting holes (8) with the same number as the first connecting holes (7), the web plate reinforcing steel plate (5) is arranged on the web plate (2) and is jointed with one side surface of the web plate (2) close to the lower flange, and the first connecting hole (7) corresponds to the second connecting hole (8), and the bottom edge of the web plate reinforcing steel plate (5) is connected with one side edge of the lower flange reinforcing steel plate (6) close to the web plate (2).
- 6. A C-shaped purlin continuous support as claimed in claim 5, wherein: the web plate reinforcing steel plate (5) and the lower flange reinforcing steel plate (6) are made of L-shaped steel plates.
- 7. A continuous C-shaped purlin brace as claimed in claim 6, in which: the upper flange reinforcing steel plate (4), the web reinforcing steel plate (5) and the lower flange reinforcing steel plate (6) are respectively installed on the upper flange (1), the web (2) and the lower flange (3) through first self-tapping screws (9), second self-tapping screws (10) and third self-tapping screws (11).
- 8. A continuous C-shaped purlin brace as claimed in claim 7, in which: the first tapping screws (9) are arranged in two rows, each row is provided with a plurality of first tapping screws (9), and the first tapping screws (9) are arranged at equal intervals.
- 9. A continuous C-shaped purlin brace as claimed in claim 7, in which: the second tapping screws (10) comprise an upper row, a middle row and a lower row, and the parts of each row of the second tapping screws (10) positioned at the two sides of the second connecting hole (8) are arranged at equal intervals.
- 10. A continuous C-shaped purlin brace as claimed in claim 7, in which: the third tapping screws (11) are arranged in two rows, each row is provided with a plurality of third tapping screws (11), and the third tapping screws (11) are arranged at equal intervals.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110139843.XA CN112814416A (en) | 2021-02-02 | 2021-02-02 | Method for reinforcing C-shaped purline simply-supported support into continuous support and support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110139843.XA CN112814416A (en) | 2021-02-02 | 2021-02-02 | Method for reinforcing C-shaped purline simply-supported support into continuous support and support |
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| CN107795140A (en) * | 2017-07-07 | 2018-03-13 | 南京工业大学 | A kind of existing freely-supported c-type purlin serialization reinforcement means |
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| CN210342752U (en) * | 2019-05-28 | 2020-04-17 | 信息产业电子第十一设计研究院科技工程股份有限公司 | Solid-web type cold-bending thin-wall steel purline reinforcing structure |
| CN111206794A (en) * | 2020-03-26 | 2020-05-29 | 中船第九设计研究院工程有限公司 | Reinforcing method for connection of simple supporting nodes of steel structure purline |
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| CN209837757U (en) * | 2019-03-06 | 2019-12-24 | 中国建筑西北设计研究院有限公司 | Novel C shaped steel purlin consolidates connecting piece |
| CN210342752U (en) * | 2019-05-28 | 2020-04-17 | 信息产业电子第十一设计研究院科技工程股份有限公司 | Solid-web type cold-bending thin-wall steel purline reinforcing structure |
| CN111206794A (en) * | 2020-03-26 | 2020-05-29 | 中船第九设计研究院工程有限公司 | Reinforcing method for connection of simple supporting nodes of steel structure purline |
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