Lofty pattern plate supports a system (normally abbreviation raises a standard high) it is to point to more than 8 meters to pattern plate of component of concrete of site of construction project construction props up height, or build set span to exceed 18 meters, or construction total load is more than 15KN/ ㎡, or the pattern plate that centers line load to be more than 20KN/m supports a system.
In project of construction of our country city, building of ferroconcrete high level is to compare modernization of common a kind of city currently mark content, it can add infinite glamour to the promotion of urban image. However, increase of height ceaselessly as housing, not only it gives a building safe construction technology, if raise modular construction technology high to bring a challenge, also increased risk of safety of exercise of construction personnel headroom. Accordingly, national construction administration is in charge of a branch from hold to " to be with the person this, safety first, precaution gives priority to the angle of " to set out, the law that concerns safety administration according to the country published standard of a series of code, technology, standard to wait, superintend construction safety strictly. Be opposite among them technology of decisive safe construction with project mandatory the form of article, in standard of be classified technology, standard, ask about the enterprise compulsive comply with is carried out. And Gao Zhimo supports systematic project, it is the common and dangerous sex that the country in building a project states bigger branch distinguishs an one of projects, once its appear cave in, cause great or especially great safe accident extremely easily. Accordingly, safe to be engaged in construction management (construction or inspect manage) for personnel, master project mandatory article is special to Gao Zhimo the safe technology requirement of the programme of construction, it is we prevent Gao Zhimo system the technical safeguard that great and safe accident produces. If do not understand to its control a point and implement relevant technical measure, often cause construction collapse accident safety hidden danger. Accordingly, for safe to construction controller, must cause height to take seriously.
Systematic place uses Gao Zhimo bear insert profiled bar to be in charge of scaffold to support a system
One, place of special the programme of construction involves Gao Zhimo mandatory the standard of article, standard and regulation
According to national project administration director branch concerns a provision, lofty pattern plate supports systematic project, it is danger of model of more than one established rule or practice the branch with bigger sex distinguishs a project, need staff is special the programme of construction, organize expert demonstration. The work out of special program, examine and approve personnel and character, must want to be familiar with its place to involve very mandatory the standard of article, standard and regulation, with among them mandatory the basis that article regards instructional staff as special program. Current, involve project mandatory the active technology standard that article and Gao Zhimo support technology of systematic safety construction to concern, standard, regulation basically has: 1, " safety of construction of the system of lofty pattern plate that prop up supervises construction project administrative guideline " ; 2, " project standard is mandatory article " , include: ① " standard of technology of security of exercise of building construction altitude " (JGJ80-1991) ; ② " regulations of technology of construction project big pattern plate " (JGJ74-2003) ; ③ " standard of technology of security of building construction pattern plate " (JGJ162-2008) ; ④ " building construction buckles a safety of scaffold of type steel tube technical standard " (JGJ130-2001) , " standard of technology of security of scaffold of steel tube of type of building construction door " (JGJ130-2001) , " build construction bear insert model dish the steel tube that buckle type. What concern with Gao Zhimo among them below is mandatory technical article one by one is listed, learn jointly with everybody.
A structural floor is answered after Gao Zhimo props up a system to demolish
2, what place of special the programme of construction involves Gao Zhimo is mandatory article provision
1, " safety of construction of the system of lofty pattern plate that prop up supervises construction project administrative guideline " requirement
(1) plan weaves
1) construction unit should basis country is active relative standard standard, organize personnel of relevant and professional technology by project technology chief, combinative project is actual, weave lofty pattern plate supports special the programme of construction of the system.
Special the programme of construction ought to include 2) the following content:
Does ① weave the specification reachs basis: ? ⒈ of of dizzy collect of damask of Di of ⒐ of Jin of ü of ⒎ of umbrella of rostellum offspringing sunlights flesh ⒐ Di cling to merchant? GB atlas) , construction organization design.
: of ② project general situation? Does 0 Qian こ iron Ji an ancient wind instrument an ancient nationality in China scrupulously and respectfully is Jiao Jie of ⑹ ┕ て proud ⒚ Li merchant does be favored with of ⒏ of to fold of Ga of １ of of ⒅ of Jie of of G of of cent of evil spirit of Wu of to instruct of of of Qiong of ぬ of V of carbohydrate of border of graph of Mie of of ひ of deceive ⑹ ┕ take ⒅ closely question of 7 paragraphs of ?
Does ③ construction plan: ? Does ┕ そ light herd of Ping ⒉ to disrelish of Ping of obituary of Qian uncut jade to take?
: of ④ construction engineering technology?
Does ⑤ construction safety assure measure: ? 0 Lu С dish does Qiu swing wicking of ruthenium bail full does 0 Hao dark blue hold ⒛ of of Long of Taoist sacrificial ceremony of border of ぜ of ┕ of ⑹ of a low bank of earth between fields of of of scull of fraud of cough of the sliding weight of a steelyard of Fei of Xian of of two streets high does road of canister partridge step on of び of ┕ of ⑹ of of Long of border Taoist sacrificial ceremony originally still ?
Does ⑥ labour force plan: ? Does saddle of ㄗ ㄖ step on the cough barium such as swollen Tao of Piao of thin ⑻ of cough of the sliding weight of a steelyard of Fei of is Mei washing with watercolors taken?
Does ⑦ calculated description reach relevant blueprint: ? Is Chu Lang Piao taken an examination of sunken attack of of arrive of destroy a surname is small car of side of 0 Lu С troubled by 0 Sui ⒛ Kang of bone of Tao Mao group does case of Ku of an ancient small-mouthed wine vessel of Tu Bei beautiful provide dinner for Li a bit Yan bail Pu Daoang a bit does cut down principle columns of a hall hope does body far away 0 Lu?
Attached drawing includes to raise modular area to establish plane of lever, freely level lever to arrange a plan, elevation of the system that prop up, profile, horizontal scissors is maintained decorate ichnography and vertical stroke to be maintained to scissors decorate projection drawing, liang Ban raises modular full-page proof to pursue, the plane of the system that prop up that monitor decorates a graph to reach even the wall cloth sets the position and graph of node full-page proof to wait.
(2) examine and verify is proved
The system of 1) lofty pattern plate that prop up is special the programme of construction, the professional technology personnel that should organize the branch such as this unit construction technology, safe, quality by construction unit Technical Division first undertakes examine and verify, after chief of technology of classics construction unit signs, organize an expert to prove according to relevant provision again.
Should following staff play an expert to prove meeting: ? Does Zhuang easy mallet protect a tiger to censure a bit does Piao of Huang of ノ of ㄉ a round flat piece of jade with a hole in its center carry dry up quail to neigh Gong border drunk dries up quail makes fun of Hu Huan ah Xiang of aperture of Piao of vasting ノ Huang ah does Hua こ drip does laying cough of postscript rostellum protect annulus of ノ of さ of tiger Cong ┕ to stop does strong and pervasive fragrance step on mother?
The member that 2) expert is comprised ought to accord with the expert that relevant major asks to comprise by name and 5 above. This project ginseng builds each square personnel to must not attend expert argumentation to meet with expert identity.
The main content that 3) expert proves includes:
Whether does ① plan weave according to the actual execution condition of construction site: ? Does ⒓ of good shank of paddle float ⒐ attack does Kang owe Lian to newly-risen sun ⒖ still?
Whether does basis of ② plan calculated description, checking computations accord with; of relevant specification standard
Whether does the postulate of ③ safe construction accord with the spot actual condition.
4) construction unit reports according to the argumentation of expert group, undertake modification perfecting to special the programme of construction, manage via chief inspector of chief of construction unit technology, project after approval of controller of project of unit of engineer, construction signs, just can organize carry out.
Some high level builds atrium place to support modular system high
2, " project standard is mandatory article " in the requirement to pattern plate project
(1) " standard of technology of security of exercise of building construction altitude " (JGJ80-1991) mandatory article requirement
Big pattern plate of 1) impending installation, hoisting the first prefabricated components, hoisting is alone large and medium-sized when prefabricated components, must stand on operation platform to operate. On the roof boarding such as the big pattern plate in hoisting and prefabricated components and asbestine floor slab, forbidden station support of the people walks.
The impending exercise when 2) pattern plate is propped up and disassembling, must abide by following regulation: ? Does S Π hang down does Suo ǖ mire 0 Li of of school of of tadpole of Tao party silk ribbon hangs down does pool ㄇ install Xing Liu of bad intermediary to bar С of Tuo of aurelian of of Zou of of administer of ば Jie Q occasionally does frighten of administer of ⒀ of of approach of solid artful shipboard is of hill of expostulate with shipboard blamed?
3) is raised set when hanging the pattern plate that chooses a form, due and firm foothold. Set face when building content pattern plate for nothing, should build set bracket or scaffold. When there is obligate hole on pattern plate, after should be being installed, the hole the lid is done not have. Concrete board on form after form removal face edge or mouth of a cave, should undertake defending.
Form removal altitude works, should configure uprise appliance or build set stand.
After component of 4) steel pattern plate is demolished, pile up temporarily place should not be less than 1m from floor edge, pile up height must not exceed 1m. The place such as brim of floor edge mouth, passageway mouth, scaffold, why does forbidden caboodle indulge tear open next thing.
Hold to project mandatory standard, ensure construction is safe, it is the topic that builds safe production eternity.
(2) " regulations of technology of construction project big pattern plate " (JGJ74-2003) mandatory article requirement
1) forms big pattern plate the join between each system must on the safe side.
The system propping up of 2) big pattern plate should maintain big pattern plate to stand to be mixed to placement on the safe side the oneself stability below wind load action. Lower margin adjusts bolt length to should be satisfied adjust verticality of pattern plate installation and adjust the need from certain part, lower margin adjusting gear should facilitate adjust, rotational and agile.
Rings of steel of 3) big pattern plate should use Q235A to material is made and should have enough safe reserve, reinforcing steel bar of forbidden use cold working. Solder type steel rings should model of logical choice welding rod, should welding line length and welding line height accord with design requirement: ? Does Ba Guan fall does of of Tu of sleep of 0 Piao take along sth to sb mail an ancient wind instrument of wholesale phenolic krypton float of beans of of alliance of take along sth to sb of boreal box argon?
The weight of 4) big pattern plate must weigh the demand of equipment ability since contented spot.
5) hoisting should establish lead of person specially assigned for a task when pattern plate greatly, pattern plate removes condole to answer smooth, must not deflective and swing substantially. Operation personnel must stand in place of on the safe side, forbidden personnel removes condole together along with commensurate pattern plate.
6) hoisting big pattern plate must be used bring snap ring hanger. Should stop hoisting to work when wind-force exceeds 5 level.
The condole since 7) should examine pattern plate and concrete structure first before pattern plate greatly between all is opposite draw bolt, connection whether to demolish entirely, must be in affirm to any join are not had between pattern plate and concrete structure rear can remove condole big pattern plate, wall body; must not collide when mobile pattern plate
Of 8) big pattern plate pile up should accord with following requirement:
Spot of ① big pattern plate piles up the area should be in the effective job limits of crane, pile up field must substantial level, do not get Cui to be put on loosen the soil, frozen earth or uneven field.
When ② big pattern plate piles up, must be the big pattern plate that there is tie-in satisfied from: of certain part requirement? Does bed of of quarrel of of generation waste Li keep fan of Liao of Qiao of box bing4 ru4 gao1huang1 < С of elder brother of brandish of C of ā of discuss of Nai of fat Mei of Chen of numerous D0 of Long idol does Mei of ㄓ of the Mi other Di of 0 thoroughfare Υ seek Nai Mu an ancient wind instrument throat of zinc of bad blown away by wind of rare of Chang of Chen fat Ъ ?
③ big pattern plate piles up in the ground when, should accept two big pattern plate board the method that faces board face to be placed relatively, and should be span: operated in what buy stays to not be less than 600mm among pattern plate? Does back な force to joke abdicate climbs of the that protect does 0 Piao mirror the Sui that burn ?
Undertaking pattern plate installs construction
(3) standard of technology of security of building construction pattern plate " (JGJ162-2008) mandatory article requirement
Of component part of construction of 1) pattern plate long fine more following than should be being accorded with regulation
Is member of ① press press senior fine than: ? of Ъ ⒅ ancienting name for a water catltrop mixes brace of?50; of bamboo-plaited basket or suitcase of Υ of brandish of Liu Sao , compose, the component joining a department such as diagonal brace,
Does ② suffer pull component part to grow fine than: ? Point to?50 of bamboo-plaited basket or suitcase of Υ of brandish of the that think of ; Wood pole, should not be more than 250.
The 2) bridge that prop up, board bracket pillar construction and installation should accord with following regulation:
① bridge and board pillar, its freely answer to span equal or twice is counted.
Bottom of ② wood pillar should set stow-wood, coping should set the head that prop up. Bottom of steel tube pillar should establish stow-wood and base, coping should be set adjustable hold in the palm, u form is raised hold in the palm with bridge of a list of names posted up between two side if have space, must wedge is close, its screw extends steel tube coping to must not be more than 200mm, the clearance of screw external diameter and internal diameter of pillar steel tube must not be more than 3mm, should make sure fluctuation is homocentric when installation.
③ is apart from ground 200mm altitude in pillar bottom, the program that even if issue a horizontal stroke to go up,way of edge freely standard should press is set sweep the floor lever. Adjustable raise the pillar top that holds bottom in the palm to answer even if the edge is transverse install a level pull rod. Sweep the floor the span between lever and coping level pull rod, the step pitch of horizontal pull rod that in contented pattern plate the design decides asks the condition falls, after undertaking allocation on average deciding step pitch, in each step pitch even if place is transverse should establish horizontal drag link each. It is tall when the layer when 8 ～ 20m, in most top step pitch should be added among two levels pull rod establish a level drag link; When the layer tall when be more than 20m, in should part among pull rod of level of two step pitch very most add a level draw bar. All levels pull the upright ministry of lever to all answer with all around building top tightens a prison. When nowhere can support, ministry and mid edge should be carried to stand in horizontal pull rod to the setting continuous scissors is maintained.
Of Mu Lizhu sweep the floor pull rod of lever, level, scissors is maintained should use batten of 40mm × 50mm or 25 ㎜ × the wooden batten of 80 ㎜ and Mu Lizhu clench. Of steel tube pillar sweep the floor pull rod of lever, level, scissors maintains the steel tube that should use 48 ㎜ X3.5mm, with buckle buckle with steel tube pillar prison. Wood sweeps the floor pull rod of lever, level, scissors is maintained should use build receive, should use iron to nail clench. Steel tube sweeps the floor pull rod of lever, level should use a butt joint, scissors is maintained should use build receive, build receive length to must not be less than 500 ㎜, should use 2 to rotate buckle do not be less than 100 ㎜ place to undertake fixed in end leaving staff respectively.
3) should be used when buckling a type steel tube to make pillar prop up, its construct to should accord with following regulation with installation:
Norms of ① steel tube, span, buckle should accord with design requirement. Every pillar bottom should install base and bolster plate, bolster plate ply must not be less than 50mm.
Span of pillar of bracket of ② steel tube, sweep the floor the setting that pull rod of lever, level, scissors maintains should set related up to specification. Not be when pillar bottom when same height, of altitude fore-and-aft sweep the floor lever should be lengthened to small part not less than 2 cross, difference of on any account must not be more than 1m, pillar is apart from brim of edge slope upper part to must not be less than 0.5m.
③ pillar is received long forbidden build receive, must use a butt joint to buckle a join, the butt joint connect of column of photograph adjacent coexistence must not be inside synchronism, and vertical stroke of edge of butt joint connect shoulds not be to stagger distance be less than 500mm, each connect center is apart from advocate node is unfavorable the 1/3 that is more than step pitch.
④ is forbidden the steel tube pillar upside and pillar of next Duan Gang canal are stagger and fixed go up in horizontal pull rod.
Pattern plate of ⑤ full hall and share pillar of bracket of dimensional pattern plate, group of outer side week should be set by next consummate vertical stroke to continuous scissors is maintained vertical,be in among; transverse should left and right sides of every other 10m is set by next consummate vertical stroke to continuous scissors is maintained, its width appropriate is 4 ～ 6m, the top that fills position in scissors, sweep the floor scissors of level of lever place setting is maintained. Scissors stay bar end end should support with the ground close, included angle appropriate is 45 ～ 60% . When the building the layer is tall when 8 ～ 20m, divide outside should satisfying afore-mentioned regulations, vertical,still should be in the two vertical stroke of horizontal Xiang Xianglin to continuous scissors is maintained between increasing word diagonal brace, in the place that horizontal scissors is maintained, intermediate place should be maintained to increase in every scissors - path level scissors is maintained. Should build a layer excellent when crossing 20m, on the basis that provides on full enough, should will all word diagonal brace is all instead is continuous scissors is maintained.
⑥ exceeds 5m when bracket pillar height when, should be all round pillar outside side and the intermediate place that has structural post, by horizontal span 6 ～ 9m, perpendicular to the distance 2 ～ 3m and building construction install node of a solid.
(4) " construction industry buckles a safety of scaffold of type steel tube technical standard " (JGJ130-2001)(2002 year local edit) , " standard of technology of security of scaffold of steel tube of type of building construction door " (JGJ128-2010) and " build construction bear insert model dish the steel that buckle type, because the pattern plate system that prop up is,comprise by scaffold, and buckle a type, bear inserting profiled bar to be in charge of scaffold is the material with the pattern plate the most commonly used system that prop up, so the article of all mandatory standard inside 3 standards, also be the important basis that examines pattern plate project.
To pattern plate the system that prop up installs personnel to undertake safe technology tell sb one's real intentions is necessary
Above supports a system for lofty pattern plate what place of special the programme of construction involves is mandatory article sets a requirement, through learning these content, can raise the vocational level of administrator of safety of every construction site, to prevent Gao Zhimo to high the happening of accident of big project safety lays firm and theoretical foundation, provided the strong measure that measures a risk when executive plan for safe administrator then.
