CN103225392A - Method for setting novel fastener type steel pipe external scaffold wall connection piece - Google Patents
Method for setting novel fastener type steel pipe external scaffold wall connection piece Download PDFInfo
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- CN103225392A CN103225392A CN2013101318869A CN201310131886A CN103225392A CN 103225392 A CN103225392 A CN 103225392A CN 2013101318869 A CN2013101318869 A CN 2013101318869A CN 201310131886 A CN201310131886 A CN 201310131886A CN 103225392 A CN103225392 A CN 103225392A
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Abstract
The invention discloses a method for setting a novel fastener type steel pipe external scaffold wall connection piece. The method comprises the steps as follows: selecting and using Q235 flat steel or flat iron with a specification of 600*50*3 mm; folding one end of the flat iron to be L-shaped, embedding the flat iron into a beam or plate of a main body structure, and binding or welding the flat iron or the flat steel with steel bar in the beam or plate by an iron wire; and tightly fixing a fastener with the other end of the flat iron or the flat steel with a previously drilled hole by a bolt, tightly and fixedly connecting a horizontal short steel pipe with a vertical rod, and pouring concrete. The method for setting the novel fastener type steel pipe external scaffold wall connection piece capable of tightly connecting the embedded flat iron or flat steel with the fastener or the steel pipe has the benefits as follows: 1) the shortcomings of the several methods for setting the wall connection piece are overcome, and the wall connection piece is good in rigidity and accurate to embed; 2) the hole filling process is not existent, so that the hidden trouble of water seepage is not caused; 3) the wall connection piece is reasonable in structure, simple to manufacture and low in cost; and 4) the wall connection piece is convenient to operate, safe and reliable, and effectively improves the construction efficiency.
Description
Technical field
The invention belongs to building operations with landing fastener type steel pipe external scaffolding member, be particularly useful for the wall-connecting piece method to set up of external scaffolding scaffolding height less than the multistory building of 24m.
Background technology
As everyone knows, land fastener type steel pipe scaffold simple structure, mounting or dismounting be convenient because of having, power transmission rationally, use suitable, the characteristics such as turnover repeatedly of durable, firm stable, cost, the use in multistory building is constructed is more extensive.If adopt overhanging type to set up and since scaffold be by the steelframe of encorbelmenting with Load Transfer to main structure body, therefore structure is complicated, cost is high and safety factor not as the console mode scaffold, be not suitable for multistory building so overhanging scaffold is set up.Therefore, the safety reliability of wall-connecting piece setting just seems particularly important in the fastener type steel pipe external scaffolding landing.Usually the wall-connecting piece method to set up has following several:
One, stay bolt associated methods
1, the stay bolt associated methods is applicable to low layer, the multistory building of scaffold building height less than 24m usually, adopt embedded bar and scaffold drawknot, after adding horizontal steel tube again and propping up the method for agent structure or adopt embedded bar and short steel pipes welding, fuse with fastener connection horizontal steel tube and scaffold again.
2, the stay bolt associated methods has filling-up hole operation behind low, the no masonry of cost, therefore, uses comparatively general in multistory building.
Shortcoming: 1, the weak point of stay bolt associated methods be scaffold lateral stiffness than rigid connection method a little less than, the steel pipe that plays the support effect can't closely connect scaffold and agent structure, causes scaffold easily to produce and rocks.Thereby 2, when external rendering, easily produced potential safety hazard by complete removal.
Two, embedded steel tube method
1, the embedded steel tube method can play the effect of being rigidly connected.The embedded steel tube method is to be embedded in about 20cm in the beam with a vertical short steel pipes before concrete is built, and exposes the beam 20cm that breaks an agreement, treat concrete build finish after, connect vertical rod with the long steel pipe of level and get final product with vertical short steel pipes.
2, wall-connecting piece good rigidly, the burial place of embedded steel tube method are accurate, are wall-connecting piece ways the most commonly used at present.
Shortcoming: 1, the weak point of the wall-connecting piece of embedded steel tube method is the cost height, the dismounting trouble, and must carry out the later stage shutoff to the back box out mouth of masonry.2, present, the value of leass of steel tube fastener sharp rises along with the rise of the raw-material price of steel, the embedded steel tube method is relative more owing to comparing the employed steel pipe of other wall-connecting piece methods with fastener quantity, must adopt 2 fasteners as pre-buried short steel pipes method, and the fastener that is connected with short steel pipes has significant proportion to dismantle, finally scrap, cause cost higher.When 3, adopting the embedded steel tube method, when masonry is constructed, must stay and establish the hole, treat to adopt fine-stone concrete to carry out shutoff after wall-connecting piece is removed the vertical short steel pipes position of wall-connecting piece., will cause the hole to mend leakiness, thereby stay the hidden danger that is difficult to remedy to external wall waterproof as imprudent slightly the shutoff at hole, especially the building of the southeastern coastal areas and area of heavy rainfull, interior ground more should draw attention.
Three, back anchoring process
Back anchoring process is the improvement of doing at the deficiency of above-mentioned embedded steel tube method.Back anchoring process is the flank hole at beam, and expansion anchor or chemical anchor bolts are installed, and is connected with anchor slab prior and that steel pipe is welded into one to get final product again.The advantage of back anchoring process is a good rigidly, no filling-up hole operation thereby do not have yet the infiltration hidden danger.
Shortcoming: 1, the deficiency of back anchoring process be boring the time extremely bother and construct in have certain potential safety hazard.2, normally adopt 2 expansion anchors, bearing capacity is not high, and is easily loosening, can not bear low cycle repetitive load, the construction requirement height, and after construction finished, crab-bolt was also scrapped, and can't reuse, and causes cost also higher.
Summary of the invention
The objective of the invention is the shortcoming that exists at above-mentioned several wall-connecting piece methods to set up and improved, adopt the method to set up of pre-buried band iron and fastener, the close-connected a kind of novel fastener type steel pipe external scaffolding wall-connecting piece of steel pipe, not only rational in infrastructure, make simple, with low cost, and through practice, in building the multistory building construction of project, use in a plurality of rooms, and respond well, safe and reliable, effectively raise efficiency of construction.
Technical scheme of the present invention is achieved like this: a kind of method to set up of novel fastener type steel pipe external scaffolding wall-connecting piece is characterized in: select for use the band steel of material Q235 or band iron all can, specification is 600*50*3mm; Earlier an end of band iron is converted into the L type and imbeds in advance in the beam of agent structure, the plate, and with iron wire with reinforcing bar binding or welding in band iron or band steel and beam, the plate; Again with band iron or the prior hole-drilled other end of band steel and fastening bolt fastening after again with horizontal short steel pipes and vertical rod is fastening connects, treat that concrete is built to get final product after finishing.
The method to set up of pre-buried band iron proposed by the invention or band steel and fastener, the close-connected a kind of novel fastener type steel pipe external scaffolding wall-connecting piece of steel pipe, 1) not only solved the shortcoming that above-mentioned several wall-connecting piece method to set up exists, and the wall-connecting piece good rigidly, burial place is accurate; 2) no filling-up hole operation thereby do not have yet the infiltration hidden danger; 3) rational in infrastructure, make simple, with low cost; 4) easy to operate, safe and reliable, effectively raise efficiency of construction.
Description of drawings
Fig. 1 is the rigidity wall-connecting piece construction drawing of the embodiment of the invention.
The specific embodiment
From Fig. 1 as seen, rigidity wall-connecting piece of the present invention can adopt length to can be 600mm, width is that 50mmm, thickness are band iron or the band steel making of 3mm, is drilled with the circular hole of diameter 12mm at 10mm place, distance termination, can all hole at two ends, perhaps holes with regard to an end.
The present invention be select for use the band steel of material Q235 or band iron all can, specification is 600*50*3mm; Earlier an end of band iron is converted into the L type and imbeds in advance in the beam of agent structure, the plate, and with iron wire with reinforcing bar binding or welding in band iron or band steel and beam, the plate; Again band iron or band steel have been bored in advance the other end of circular hole of diameter 12mm and fastening bolt fastening after again with horizontal short steel pipes and vertical rod is fastening connects, treat that concrete is built to get final product after finishing.
Claims (2)
1. the method to set up of a novel fastener type steel pipe external scaffolding wall-connecting piece is characterized in that: select for use the band steel of material Q235 or band iron all can, specification is 600*50*3mm; Earlier an end of band iron is converted into the L type and imbeds in advance in the beam of agent structure, the plate, and with iron wire with reinforcing bar binding or welding in band iron or band steel and beam, the plate; Again with band iron or the prior hole-drilled other end of band steel and fastening bolt fastening after again with horizontal short steel pipes and vertical rod is fastening connects, treat that concrete is built to get final product after finishing.
2. the method to set up of a kind of novel fastener type steel pipe external scaffolding wall-connecting piece according to claim 1: it is characterized in that: bored the circular hole that diameter is 12mm in advance at band iron or band steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101318869A CN103225392A (en) | 2013-04-17 | 2013-04-17 | Method for setting novel fastener type steel pipe external scaffold wall connection piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101318869A CN103225392A (en) | 2013-04-17 | 2013-04-17 | Method for setting novel fastener type steel pipe external scaffold wall connection piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103225392A true CN103225392A (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101318869A Pending CN103225392A (en) | 2013-04-17 | 2013-04-17 | Method for setting novel fastener type steel pipe external scaffold wall connection piece |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100828161B1 (en) * | 2007-06-21 | 2008-05-08 | 주식회사 세미코 | Clamp for a scaffold pipe |
| CN201221194Y (en) * | 2008-05-23 | 2009-04-15 | 北京城建建设工程有限公司 | Postposition pre-embedded type wall connecting components |
| CN201339313Y (en) * | 2008-12-31 | 2009-11-04 | 内蒙古巨华集团大华建筑安装有限公司 | Scaffold wall connecting piece |
| CN201714060U (en) * | 2010-06-26 | 2011-01-19 | 国强建设集团有限公司 | Wall connecting mechanism of scaffold |
| CN202577934U (en) * | 2012-05-03 | 2012-12-05 | 武汉常阳新力建设工程有限公司 | Screw thread wall-connection member of scaffold and building |
-
2013
- 2013-04-17 CN CN2013101318869A patent/CN103225392A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100828161B1 (en) * | 2007-06-21 | 2008-05-08 | 주식회사 세미코 | Clamp for a scaffold pipe |
| CN201221194Y (en) * | 2008-05-23 | 2009-04-15 | 北京城建建设工程有限公司 | Postposition pre-embedded type wall connecting components |
| CN201339313Y (en) * | 2008-12-31 | 2009-11-04 | 内蒙古巨华集团大华建筑安装有限公司 | Scaffold wall connecting piece |
| CN201714060U (en) * | 2010-06-26 | 2011-01-19 | 国强建设集团有限公司 | Wall connecting mechanism of scaffold |
| CN202577934U (en) * | 2012-05-03 | 2012-12-05 | 武汉常阳新力建设工程有限公司 | Screw thread wall-connection member of scaffold and building |
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| PB01 | Publication | ||
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Application publication date: 20130731 |