CN111786351B - Lightning protection method for raw bamboo building - Google Patents
Lightning protection method for raw bamboo building Download PDFInfo
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- CN111786351B CN111786351B CN202010809969.9A CN202010809969A CN111786351B CN 111786351 B CN111786351 B CN 111786351B CN 202010809969 A CN202010809969 A CN 202010809969A CN 111786351 B CN111786351 B CN 111786351B
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- lightning
- roof
- receiving belt
- lightning receiving
- steel bars
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/40—Connection to earth
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
- E04C3/17—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members with non-parallel upper and lower edges, e.g. roof trusses
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a lightning protection method for a raw bamboo building, which comprises a roof truss, purlins and a roof; roof truss includes support post and girder, includes following step: 1) two steel bars are arranged in the supporting column, the lower ends of the two steel bars extend into the concrete base, and the upper ends of the two steel bars extend to the upper part of the roof; 2) a first lightning receiving belt is obviously coated at the edge of the ridge and the roof, and two ends of the first lightning receiving belt are respectively connected with the two steel bars; 3) a plurality of second lightning receiving belts are concealed on the roof, and two ends of each second lightning receiving belt are respectively connected with the first lightning receiving belt close to the edge of the roof and the first lightning receiving belt on the ridge; 4) the first lightning receiving belt top that is close to the roofing edge, the vertical lightning receiving needle that sets up, the lower extreme and the first lightning receiving belt welding of lightning receiving needle. The invention can prevent lightning for the original bamboo building.
Description
Technical Field
The invention relates to the technical field of raw bamboo buildings, in particular to a lightning protection method for a raw bamboo building.
Background
Bamboo building structure has developed a hybrid structure type of bamboo structure and steel construction, reinforced concrete structure, membrane structure, masonry structure intercombination from modes such as traditional bamboo wood overlap joint, winding, tenon fourth of the twelve earthly branches interlock, can smash the veneer with the bamboo timber even, improves and strengthens its physical characteristics, becomes neotype bamboo laminated wood, can carry out data computation according to modern building structure's calculation mode. The bamboo wood participates in a modern building structure system, so that the bamboo wood which can only build a small building originally can be applied to a large-space building, a multilayer building or even a high-rise building, and the application range of the bamboo structure in the building space is greatly expanded.
Along with the development of society, former bamboo building receives people's favor, and its whole structure is mainly made by former bamboo, including support column, girder and purlin, and the former bamboo is made into former bamboo cluster post now in the course of working, then builds former bamboo cluster post with former bamboo cluster post and forms former bamboo building. The building structure is beautiful and practical, and has convenient construction and high strength and stability. However, such a raw bamboo structure building has no reinforced concrete in the whole roof truss, and therefore, how to prevent lightning becomes a big problem of the building.
Therefore, how to provide a lightning protection method for the original bamboo building becomes a technical problem to be solved by the technical personnel in the field.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the lightning protection problem of the raw bamboo building and provides a lightning protection method of the raw bamboo building, which can protect the raw bamboo building against lightning.
In order to solve the technical problem, the technical scheme adopted by the invention is as follows: a lightning protection method for an original bamboo building comprises a plurality of roof trusses arranged in parallel, a plurality of purlins and a roof; the roof truss comprises a supporting column and a main beam, wherein a column foot of the supporting column is fixedly connected with the ground through a concrete base, and the upper end of the supporting column is fixedly connected with the main beam; the purlines are arranged above the main beams of the roof trusses, the length direction of the purlines is treated along the length direction of the main beams, the purlines are fixedly connected with the main beams of the roof trusses, and the roof is laid above the purlines and is fixedly connected with the purlines; the method is characterized in that: the method comprises the following steps:
1) two reinforcing steel bars are arranged in the supporting column, the two reinforcing steel bars are respectively arranged in two original bamboos of the supporting column, the lower end of the reinforcing steel bar extends into the concrete base and is fixedly connected with the concrete base, and the upper end of the reinforcing steel bar extends to the upper part of the roof;
2) a first lightning receiving belt is obviously coated at the edge close to the ridge and the roof; wherein, the first lightning receiving belt close to the edge of the roof is arranged around the roof, and the two ends of the first lightning receiving belt are respectively connected with the two steel bars; two ends of the first lightning receiving belt above the ridge are connected with the first lightning receiving belt close to the edge of the roof;
3) a plurality of second lightning receiving belts are concealed on the roof, and two ends of each second lightning receiving belt are respectively connected with the first lightning receiving belt close to the edge of the roof and the first lightning receiving belt on the ridge;
4) above the first area of connecing of dodging near the roofing edge, the position of corresponding roofing eaves angle, the vertical needle that connects dodging that sets up, the lower extreme that connects dodging the needle with first area welding that connects dodging.
Further, first lightning receiving belt links to each other with roofing and ridge through a plurality of supports, the material of support is the same with the material of first lightning receiving belt, the both ends of second lightning receiving belt all link to each other with the support.
Further, the PVC pipe is sleeved on the outer side of the steel bar, and cement mortar is filled in the PVC pipe.
Further, the supporting column comprises an upright column and a curved column, and the steel bars are located in the original bamboo of the upright column.
Furthermore, the two steel bars are positioned in the two raw bamboos of the upright post of the same supporting post.
Furthermore, the two steel bars are positioned in the two raw bamboos of the upright posts of the two support columns, and the distance between the two steel bars is less than or equal to 18 m.
Furthermore, the first lightning receiving belt, the second lightning receiving belt and the lightning receiving needle are made of hot-galvanized steel.
Compared with the prior art, the invention has the following advantages: the construction is convenient, and the lower end of the steel bar is connected with the concrete base, and the upper end of the steel bar extends to the upper part of the roof, so that a down lead is formed; and the roofing is provided with an exposed lightning-receiving belt (a first lightning-receiving belt), a hidden lightning-receiving belt (a second lightning-receiving belt) and a lightning-receiving needle, and is connected with the reinforcing steel bar, so that a lightning receptor is formed, and the lightning protection and protection functions of the original bamboo building are realized.
Drawings
Fig. 1 is a schematic structural diagram of the invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 1.
In the figure: 1-roofing, 2-support post, 3-reinforcing bar, 4-first lightning-arrest area, 5-second lightning-arrest area, 6-lightning-arrest needle.
Detailed Description
The invention will be further explained with reference to the drawings and the embodiments.
Example (b): referring to fig. 1, 2 and 3, a lightning protection method for an original bamboo building includes a plurality of roof trusses arranged in parallel, a plurality of purlins and a roof 1. The roof truss comprises a supporting column 2 and a main beam, wherein a column base of the supporting column 2 is fixedly connected with the ground through a concrete base, and the upper end of the supporting column is fixedly connected with the main beam; the purlines are arranged above the main beams of the roof trusses, the length directions of the purlines are disposed along the length directions of the main beams, and the purlines are fixedly connected with the main beams of the roof trusses. The roof 1 is laid above the purlines and fixedly connected with the purlines. The supporting columns 2, the main beams and the purlins are all raw bamboo bundling column structures, each raw bamboo bundling column structure comprises a plurality of raw bamboos distributed in an array mode, and the raw bamboos are connected through a plurality of raw bamboo counter-pulling screw rods distributed at intervals and penetrating through all rows and columns.
The lightning protection method comprises the following steps:
1) two reinforcing steel bars 3 are arranged in the supporting column 2, the two reinforcing steel bars 3 are respectively arranged in two raw bamboos of the supporting column 2, the lower ends of the two reinforcing steel bars extend into the concrete base and are fixedly connected with the concrete base, the upper ends of the two reinforcing steel bars extend to the upper part of the roof 1, and the length of the part of the two reinforcing steel bars above the roof 1 is 200 mm. When the method is implemented, a PVC pipe is sleeved outside the steel bar 3, and cement mortar is filled in the PVC pipe; therefore, the grounding effect can be better ensured, and the lightning protection effect is improved. The PVC pipe adopts fire-retardant PVC pipe to avoid thunderbolt to lead to conflagration etc. and the security is higher. In the implementation process, the supporting column 2 comprises an upright column and a curved column, and the reinforcing steel bar 3 is positioned in the raw bamboo of the upright column; thus, the construction is more convenient and faster.
2) A first lightning receiving belt 4 is obviously coated at the edge close to the ridge and the roof 1; wherein, the first lightning receptor 4 close to the edge of the roof 1 is arranged around the roof 1, and the two ends of the first lightning receptor are respectively connected with the two steel bars 3; the two ends of the first lightning receptor band 4 above the ridge are connected with the first lightning receptor band 4 close to the edge of the roof 1. When the lightning protection device is specifically implemented, first lightning protection area 4 level sets up to link to each other with roofing 1 and ridge through a plurality of supports, the material of support is the same with first lightning protection area 4's material, thereby can play lightning protection, lightning-arrest effect better.
As an embodiment, two reinforcing bars 3 are located in two former bamboos of the stand of same support post 2 to further improve the efficiency of construction, and, like this, two reinforcing bars 3's distance is close enough, therefore just need set up a first lightning-arrest area 4 being close to 1 edge of roofing, this first lightning-arrest area 4 both ends with two reinforcing bars 3 welding can, thereby make the installation construction of first lightning-arrest area 4 also more swift.
As another embodiment, two steel bars 3 are positioned in two raw bamboos of the columns of the two support columns 2, and the distance between the two steel bars 3 is less than or equal to 18 m. At this moment, roof 1 is close to the edge and needs to set up two first lightning receptor areas 4 to, two first lightning receptor areas 4's both ends link to each other with two reinforcing bars 3 respectively. Like this, can arrange the position of reinforcing bar 3 as required, make the installation of reinforcing bar 3 more convenient.
3) A plurality of second lightning receiving belts 5 are concealed on the roof 1, and two ends of each second lightning receiving belt 5 are respectively connected with the first lightning receiving belt 4 close to the edge of the roof 1 and the first lightning receiving belt 4 on the ridge; in practice, the covering thickness of the second lightning receiving belt 5 is less than or equal to 2cm, that is, the distance between the second lightning receiving belt 5 and the upper side of the roof 1 is less than or equal to 2 cm. Wherein, the both ends of second lightning receptor 5 correspond and support the support that is close to 1 marginal position of roofing first lightning receptor 4 and support the support that the first lightning receptor 4 of ridge top links to each other.
4) In the first area 4 tops that take that meet the sudden strain of a muscle near 1 edge of roofing, the position of corresponding 1 eaves angle in roofing, vertical setting connects sudden strain of a muscle needle 6, the lower extreme that connects sudden strain of a muscle needle 6 with first take 4 welding that meet sudden strain of a muscle.
In the implementation process, first lightning receiving belt 4, second lightning receiving belt 5 and lightning receiving needle 6 all adopt hot-galvanize steel, and wherein, first lightning receiving belt 4 and second lightning receiving belt 5 all adopt the hot-galvanize band steel that thickness is 4mm, and lightning receiving needle 6 and support adopt phi 16 hot-galvanize round steel, and length is 0.5 m.
The scheme is convenient to construct, and the steel bars 3 are arranged in the supporting columns 2, the lower ends of the steel bars 3 are connected with the concrete base, and the upper ends of the steel bars 3 extend to the upper part of the roof 1, so that a down lead is formed; and the roof 1 is provided with an exposed lightning receiving belt (a first lightning receiving belt 4), a hidden lightning receiving belt (a second lightning receiving belt 5) and a lightning receiving needle 6 which are connected with the reinforcing steel bar 3, thereby forming a lightning receiver and realizing the lightning protection and protection functions of the original bamboo building.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.
Claims (7)
1. A lightning protection method for an original bamboo building comprises a plurality of roof trusses arranged in parallel, a plurality of purlins and a roof; the roof truss comprises a supporting column and a main beam, wherein a column foot of the supporting column is fixedly connected with the ground through a concrete base, and the upper end of the supporting column is fixedly connected with the main beam; the purlines are arranged above the main beams of the roof trusses, the length direction of the purlines is treated along the length direction of the main beams, the purlines are fixedly connected with the main beams of the roof trusses, and the roof is laid above the purlines and is fixedly connected with the purlines; the method is characterized in that: the method comprises the following steps:
1) two reinforcing steel bars are arranged in the supporting column, the two reinforcing steel bars are respectively arranged in two original bamboos of the supporting column, the lower end of the reinforcing steel bar extends into the concrete base and is fixedly connected with the concrete base, and the upper end of the reinforcing steel bar extends to the upper part of the roof;
2) a first lightning receiving belt is obviously coated at the edge close to the ridge and the roof; wherein, the first lightning receiving belt close to the edge of the roof is arranged around the roof, and the two ends of the first lightning receiving belt are respectively connected with the two steel bars; two ends of the first lightning receiving belt above the ridge are connected with the first lightning receiving belt close to the edge of the roof;
3) a plurality of second lightning receiving belts are concealed on the roof, and two ends of each second lightning receiving belt are respectively connected with the first lightning receiving belt close to the edge of the roof and the first lightning receiving belt on the ridge;
4) above the first area of connecing of dodging near the roofing edge, the position of corresponding roofing eaves angle, the vertical needle that connects dodging that sets up, the lower extreme that connects dodging the needle with first area welding that connects dodging.
2. A lightning protection method for a raw bamboo building according to claim 1, characterized in that: first lightning-arrest area links to each other with roofing and ridge through a plurality of supports, the material of support is the same with the material in first lightning-arrest area, the both ends in second lightning-arrest area all link to each other with the support.
3. A lightning protection method for a raw bamboo building according to claim 1, characterized in that: the PVC pipe is sleeved outside the reinforcing steel bar, and cement mortar is filled in the PVC pipe.
4. A lightning protection method for a raw bamboo building according to claim 1, characterized in that: the supporting column comprises an upright column and a curved column, and the steel bar is positioned in the original bamboo of the upright column.
5. A lightning protection method for a raw bamboo building according to claim 4, characterized in that: the two steel bars are positioned in two original bamboos of the upright post of the same supporting post.
6. A lightning protection method for a raw bamboo building according to claim 5, characterized in that: the two steel bars are positioned in the two original bamboos of the upright posts of the two support columns, and the distance between the two steel bars is less than or equal to 18 m.
7. A lightning protection method for a raw bamboo building according to claim 1, characterized in that: the first lightning receiving belt, the second lightning receiving belt and the lightning receiving needle are made of hot galvanized steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010809969.9A CN111786351B (en) | 2020-08-13 | 2020-08-13 | Lightning protection method for raw bamboo building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010809969.9A CN111786351B (en) | 2020-08-13 | 2020-08-13 | Lightning protection method for raw bamboo building |
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| Publication Number | Publication Date |
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| CN111786351A CN111786351A (en) | 2020-10-16 |
| CN111786351B true CN111786351B (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010809969.9A Active CN111786351B (en) | 2020-08-13 | 2020-08-13 | Lightning protection method for raw bamboo building |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205355765U (en) * | 2016-02-15 | 2016-06-29 | 国网山东省电力公司无棣县供电公司 | 10kV distribution lines's lightning protection device |
| CN206205276U (en) * | 2016-11-22 | 2017-05-31 | 株洲祥能新竹材产业园区开发有限公司 | A kind of bamboo roof structure |
| CN110485315A (en) * | 2019-08-26 | 2019-11-22 | 广西建工集团联合建设有限公司 | Reinforced Concrete Bridge hangs anchor formula operating platform and its construction |
| CN210123882U (en) * | 2019-07-23 | 2020-03-03 | 浙江大合检测有限公司 | Building lightning protection device |
-
2020
- 2020-08-13 CN CN202010809969.9A patent/CN111786351B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205355765U (en) * | 2016-02-15 | 2016-06-29 | 国网山东省电力公司无棣县供电公司 | 10kV distribution lines's lightning protection device |
| CN206205276U (en) * | 2016-11-22 | 2017-05-31 | 株洲祥能新竹材产业园区开发有限公司 | A kind of bamboo roof structure |
| CN210123882U (en) * | 2019-07-23 | 2020-03-03 | 浙江大合检测有限公司 | Building lightning protection device |
| CN110485315A (en) * | 2019-08-26 | 2019-11-22 | 广西建工集团联合建设有限公司 | Reinforced Concrete Bridge hangs anchor formula operating platform and its construction |
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| Publication number | Publication date |
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| CN111786351A (en) | 2020-10-16 |
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