CN101603340A - Installation process for autoclaved lightweight concrete board partition wall - Google Patents
Installation process for autoclaved lightweight concrete board partition wall Download PDFInfo
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Abstract
The present invention relates to a kind of installation process for autoclaved lightweight concrete board partition wall, it is characterized in that, comprising: place cleaning, unwrapping wire, the welding of Z type spare; Established angle sign indicating number or U type card; Sheet material installation in place; Adjust; Hold-down hook hook bolt and other accessories, fixing, the antirust processing of weld of welding or kink; Slit filling rock wool, plate seam repairing/injecting glue; Cleaning, examination.Beneficial effect of the present invention is: on structural performance, the characteristic of ALC plate can guarantee intensity that connected node connects and safe and reliable, and planar has turnability, when horizontal movement greatly took place structure, wallboard just can have been dissolved the horizontal force that structure transmits along with rotating and servo-actuated, thereby it has good shock resistance, be particularly suitable for the earthquake zone, typhoon zone and high-rise steel structure building, and the big bigger position of displacement deformation of vibrations in the building.To popularizing of ALC plate partition wall mounting process to bringing a lot of benefits in the building operations.
Description
Technical field
The present invention relates to technical field of building construction, relate in particular to a kind of installation process for autoclaved lightweight concrete board partition wall.
Background technology
Autoclaved lightweight aerated concrete (Autoclaved Lightweight Concrete) is called for short the ALC plate, it is to be primary raw material with silica sand, cement, lime etc., add the aluminium powder foaming, strengthen by reinforcing bar through antirust processing, through many aerocretes sheet material that high temperature, high pressure, steam curing form, be a kind of novel light green building material of superior performance.The ALC plate has characteristics such as lightweight, sound insulation, heat insulation, fire-resistant and easy installation and processing be convenient, is a kind of good partition wall sheet material.Compare with the universal of bulkhead of light-weight steel keel plaster tablet, because of the higher production technology of need, mounting technique, the prematurity still at home of ALC plate partition wall construction technology now is mainly used in large-sized workshop and super highrise building.
Summary of the invention
The purpose of this invention is to provide a kind of installation process for autoclaved lightweight concrete board partition wall, thereby popularize the ALC plate mounting process that domestic prematurity still at present is mainly used in large-sized workshop and super highrise building.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of installation process for autoclaved lightweight concrete board partition wall may further comprise the steps:
1) place cleaning, unwrapping wire, the welding of Z type spare: according to drawing and on-the-spot orientation axis, with autoclaved lightweight aerated concrete (ALC) partition wall position line bullet on (at the bottom of the girder steel) and ground at the bottom of the floor, if floor or girder steel position and ALC partition wall position 50mm take place with the upper deviation, need add the above angle steel strengthened edge of weldering L63mm*6mm specification;
2) established angle sign indicating number or U type card: according to the snap the line position at every ALC Board position bottom top fixed corner code or U type card; The bottom corner sign indicating number is fixed in ground and will gives prominence to the excision of nut part screw rod with cutting machine with the M10mm*95mm expansion bolt; Bottom U type card is fixed with nailing; Top U type card is fixed on Z type spare or the floor with welding or nailing, and clogs rock wool before sheet material is installed in U type draw-in groove;
3) sheet material installation in place: press the figure paper size, welding door opening steelframe, vertical angle steel bottom is fixedly welded on iron plate (120mm*100mm*6mm), top and Z type spare, U type card connection; Laterally angle steel is fixing with vertical angle steel welding, is guaranteed strength, and the centre adds Φ 8mm of weldering and hangs muscle;
4) adjust: with the installation in place of ALC sheet material, wadding in sheet material tooth port recess is close to last, and checks planeness with guiding ruler, hangs verticality with plumb bob by each road partition wall composing and node requirement, is as the criterion until qualified with the rubber hammer adjustment when reaching requirement;
5) hold-down hook hook bolt and other accessories, fixing, the antirust processing of weld of welding or kink: hole with reaming bit in the centre position at the ALC of installation in position plate, lay gib headed bolt, tightening nuts on the sign indicating number of angle, is removed welding slag full coat rustproof paint with hook end direct welding;
6) slit filling rock wool, plate seam repairing/injecting glue: the slit at positions such as upper board seam or other face contacts is tamped with rock wool, again with mending mortar will lack limit arrisdefect and gib headed bolt pit and slit, bottom all repair smooth, at last with mending mortar or fluid sealant (being mainly in the hoistway) with gap sealing;
7) cleaning, examination: cleaning job site and the board wall of having constructed and having finished, newspaper overall budget, management, owner check and accept.
Beneficial effect of the present invention is: on structural performance, the characteristic of ALC plate can guarantee intensity that connected node connects and safe and reliable, and planar has turnability, when horizontal movement greatly takes place in structure, wallboard just can be along with rotating and servo-actuated, dissolved the horizontal force that structure transmits, thereby guaranteed that wallboard is not damaged, therefore the wall seam does not ftracture.Thereby it has good shock resistance, is particularly suitable for the earthquake zone, typhoon zone and high-rise steel structure building, and the big bigger position of displacement deformation of vibrations in the building.The ALC plate adopts industrial standardization production, the board quality height, and construction is produced and is adopted dry operation to install, and operations such as sheet material can be sawed, cuts, digs, brill have also brought convenience, plate face not to need mortar to whitewash for construction, directly carry out face finish.And the individual plates face is long-pending big, installs relatively rapidly and efficiently.To popularizing of ALC plate partition wall mounting process to bringing a lot of benefits in the building operations.
The specific embodiment
Now, set forth the situation of its construction technology, aspects such as control main points, parts of fine portion node and quality control method, thereby its technology is popularized in conjunction with of the application of ALC plate in Shanghai World Financial Center's (high 101 floor in building) project.
A kind of installation process for autoclaved lightweight concrete board partition wall of the present invention may further comprise the steps:
1) place cleaning, unwrapping wire, the welding of Z type spare: according to drawing and on-the-spot orientation axis, with ALC partition wall position line bullet on (at the bottom of the girder steel) and ground at the bottom of the floor, if floor or girder steel position and ALC partition wall position 50mm take place with the upper deviation, need add the above angle steel strengthened edge of weldering L63mm*6mm specification;
Wherein, the step of Z type spare welding is:
(1) unwrapping wire, snap the line: according to detailed Z type spare arrangement diagram, overall budget provides, and the job site control line ejects the body of wall position line, the anchor point of Z type spare.
(2) check: after last step work is finished, implement before the weldering knot work of last step checked and to carry out the work of following step after errorless.Z type spare is a non-standard component, must select the length of Z type spare before the welding according to the position of body of wall and girder steel, and length is too short not in place with welding U shaped steel card, and the long wall body surface decorative that then influences of length must excision.
(3) Z type spare welding: core diameter is got Φ 2.5mm, the excessive Z type spare that burns out easily of diameter, and weld seam requirement pore-free, full, the weld seam height is not less than 2mm, removes welding slag, and weldering is tied length and position, is welded with U sections spare.
In welding process, Z type spare welding quality requires as follows: (1) fusion length 〉=70mm, and weld pitch beam limit 10mm avoids undercut to burn out; (2) Z type spare length has 175mm and 125mm, presses unwrapping wire size Selection length, must not be long or too short; (3) weld seam must be full even, stream must not take place weigh down, have pore and burn situation; (4) welding finishes, and welding slag is removed clean, and brush rustproof paint, girder steel fireproof paint come off the place must polishing; (5) workman must have the welder to demonstrate,prove, the bucket protection of starting to exchange fire during welding, and there is fire extinguisher on the next door; (6) for preventing that Z type spare and U type card solder side from being covered by fireproof paint, stick the U.S. line paper of 30mm at solder side.
In this process, when girder steel thickness 〉=40mm, be thick girder steel, be the girder steel of not burning, must carry out preheating to girder steel before the welding.
(1) solder technology operating process: cleaning, polishing → preheating → welding
(2) cleaning, polishing: eject the weld job face, polish the parent steel, width is 100mm～150mm.
(3) preheating: adopt the fired heater preheating, front thermometric during preheating, thermometric should carry out after heating stops, and preheat temperature is measured with special-purpose temperature measuring device, temperature relevant with cantilever thickness (seeing Table 1).The heating region width of preheating should be more than 1.5 times of welding place thickness, and is not less than 100mm.
Table 1: preheat temperature table
| ???40＜t≤60 | ????60＜t≤80 | ????t＞80 |
| ???80℃ | ????100℃ | ????140℃ |
(4) welding: according to on-site actual situations, adopt the AC welding set hand welding, the resistance heat that produces when utilizing electric current to pass through weldment welding, consider that the welding position is generally the mild steel structure, face of weld requires smooth and beautiful appearance, intends adopting the E4303 lime-titania type electrode, and core diameter is got 2.5mm.
(5) getting core diameter is 2.5mm.
Table 2: core diameter table
| Throat thickness mm | ????2 | ????3 | ????4～5 | ????6～12 | ????≥13 |
| Core diameter mm | ????2 | ????3.2 | ????3.2～4 | ????4～5 | ????4～6 |
(6) welding current formula as follows
I＝(33～55)d
In the formula: I-welding current (A), d-core diameter (mm), welding machine adopts BX1-300.
(7) welding procedure main points:
A. for preventing that the weld metal that the air welding region causes from producing crack or bubble, should adopt short arc welding.
B. the heat affected zone is unsuitable long at high-temperature residence time, in order to avoid crystal grain is thick.
2) established angle sign indicating number or U type card:
According to the snap the line position at every ALC Board position bottom top fixed corner code or U type card.The bottom corner sign indicating number is fixed in ground and will gives prominence to the excision of nut part screw rod with cutting machine with the M10mm*95mm expansion bolt; Bottom U type card is fixed with nailing; Top U type card is fixed on Z type spare or the floor with welding or nailing, and clogs rock wool before sheet material is installed in U type draw-in groove;
3) sheet material installation in place:
Press the figure paper size, welding door opening steelframe, vertical angle steel bottom is fixedly welded on iron plate (120mm*100mm*6mm), top and Z type spare, U type card connection.Laterally angle steel is fixing with vertical angle steel welding, is guaranteed strength, and the centre adds Φ 8mm of weldering and hangs muscle;
Because the operation of express elevator generation blast in the elevator hoistways, the characteristic during according to actual requirement of engineering and sheet material cutting for guaranteeing timber intensity, guarantees that the ALC plate becomes the safety and the stability of wall, the following various parameter requests of the special proposition of ALC plate manufacturer:
(1) end tries not to cut off, if cutting preferably can be done reinforcement;
(2) width can cut, but the residue width must not be less than 300mm;
(3) end cut plate width direction less than plate wide 1/4, length direction less than plate long 1/5;
(4) opening circular hole on the plate is principle not cut off reinforcing bar, and general diameter is in 100mm;
(5) opening square hole should must not be opened the central authorities at plate along long side direction in the plate, plate width direction less than plate wide 1/6, length direction in 400mm, and from the plate end distance from being no more than 1/5 long (in the hole from plate end maximum distance) of plate;
(6) if adopt the anchor connection method, the edge in hole should be from anchoring place (end increases except the stirrup) more than the 100mm at least;
(7), must reinforce the hole with angle steel if exceed above scope and cut.
4) adjust: with the installation in place of ALC sheet material, wadding in sheet material tooth port recess is close to last, and checks planeness with guiding ruler, hangs verticality with plumb bob by each road partition wall composing and node requirement, is as the criterion until qualified with the rubber hammer adjustment when reaching requirement;
5) hold-down hook hook bolt and other accessories, fixing, the antirust processing of weld of welding or kink: hole with reaming bit in the centre position at the ALC of installation in position plate, lay gib headed bolt, tightening nuts on the sign indicating number of angle, is removed welding slag full coat rustproof paint with hook end direct welding.
6) slit filling rock wool, plate seam repairing/injecting glue: the slit at positions such as upper board seam or other face contacts is tamped with rock wool, again with mending mortar will lack limit arrisdefect and gib headed bolt pit and slit, bottom all repair smooth, at last with mending mortar or fluid sealant (being mainly in the hoistway) with gap sealing.
7) cleaning, examination: cleaning job site and the board wall of having constructed and having finished, newspaper overall budget, management, owner check and accept.
In the process of construction, the construction quality points for attention are as follows:
1) strengthen the safety of construction team and confide a technological secret, skilled worker puts in place, clarification in certain roles, responsibility.
2) each floor door opening reinforcing angle the position must be accurately, otherwise will influence the installation of doorframe and elevator.
3) the angle code position must fixedly mount by snap the line, and it is accurate to guarantee, otherwise influences the installation of gib headed bolt, nut can not be turned round fully to put in place, installations of joining of two blocks of non-standard sheet materials of structural safety problem occur, anodontia mouthful of groove place must repair with mending mortar and cement the assurance tightness.
4) must guarantee the 20mm slit for satisfying the following position of cracking resistance anti-seismic performance: between the ALC board wall, between ALC board wall and the concrete wall, at the bottom of ALC plate top and the beam between (at the bottom of the floor).
5) for satisfying tightness and fire protection requirement, the fire prevention rock wool at following position must be clogged closely knit: in the U type draw-in groove of top, Z type spare hole, the ALC plate and the 20mm slit at beam (floor) end, in the tooth mouth groove, reach between the ALC board wall and the concrete wall between the 20mm slit.The beneath slit of ALC plate in the elevator hoistways also must all be repaired closely knit with mending mortar simultaneously.
6) position of notes fluid sealant must post U.S. line paper before the injecting glue, fills in foam rods, and the primary coat of brushing fluid sealant is to strengthen the adhesion stress of glue.
7) ALC wall leveling degree error ± 5mm, the error of perpendicularity ± 10mm.
Claims (6)
1, a kind of installation process for autoclaved lightweight concrete board partition wall is characterized in that, may further comprise the steps:
1) place cleaning, unwrapping wire, the welding of Z type spare: according to drawing and on-the-spot orientation axis, with autoclaved lightweight aerated concrete (ALC) partition wall position line bullet on (at the bottom of the girder steel) and ground at the bottom of the floor;
2) established angle sign indicating number or U type card: according to the snap the line position at every ALC Board position bottom top fixed corner code or U type card;
3) sheet material installation in place: press the figure paper size, welding door opening steelframe, vertical angle steel bottom is fixedly welded on iron plate (120mm*100mm*6mm), top and Z type spare, U type card connection; Laterally angle steel is fixing with vertical angle steel welding, is guaranteed strength, and the centre adds Φ 8mm of weldering and hangs muscle;
4) adjust: with the installation in place of ALC sheet material, wadding in sheet material tooth port recess is close to last, and checks planeness with guiding ruler, hangs verticality with plumb bob by each road partition wall composing and node requirement, is as the criterion until qualified with the rubber hammer adjustment when reaching requirement;
5) hold-down hook hook bolt and other accessories, fixing, the antirust processing of weld of welding or kink: hole with reaming bit in the centre position at the ALC of installation in position plate, lay gib headed bolt, tightening nuts on the sign indicating number of angle, is removed welding slag full coat rustproof paint with hook end direct welding;
6) slit filling rock wool, plate seam repairing/injecting glue: the slit at positions such as upper board seam or other face contacts is tamped with rock wool, again with mending mortar will lack limit arrisdefect and gib headed bolt pit and slit, bottom all repair smooth, at last with mending mortar or fluid sealant (being mainly in the hoistway) with gap sealing;
7) cleaning, examination: cleaning job site and the board wall of having constructed and having finished, newspaper overall budget, management, owner check and accept.
2, installation process for autoclaved lightweight concrete board partition wall as claimed in claim 1 is characterized in that: 50mm takes place with the upper deviation in floor or girder steel position and ALC partition wall position, need add the above angle steel strengthened edge of weldering L63mm*6mm specification.
3, installation process for autoclaved lightweight concrete board partition wall as claimed in claim 1 is characterized in that: the bottom corner sign indicating number is fixed in ground and will gives prominence to the excision of nut part screw rod with cutting machine with the M10mm*95mm expansion bolt; Bottom U type card is fixed with nailing; Top U type card is fixed on Z type spare or the floor with welding or nailing, and clogs rock wool before sheet material is installed in U type draw-in groove.
4, installation process for autoclaved lightweight concrete board partition wall as claimed in claim 1 is characterized in that, the welding of described Z type spare may further comprise the steps:
(1) unwrapping wire, snap the line: according to detailed Z type spare arrangement diagram, overall budget provides, and the job site control line ejects the body of wall position line, the anchor point of Z type spare;
(2) check: after last step work is finished, implement before the weldering knot work of last step checked and to carry out the work of following step after errorless.Z type spare is a non-standard component, must select the length of Z type spare before the welding according to the position of body of wall and girder steel, and length is too short not in place with welding U shaped steel card, the long wall body surface decorative that then influences of length, palpus excision;
(3) Z type spare welding: core diameter is got Φ 2.5mm, the excessive Z type spare that burns out easily of diameter, and weld seam requirement pore-free, full, the weld seam height is not less than 2mm, removes welding slag, and weldering is tied length and position, is welded with U sections spare.
5, installation process for autoclaved lightweight concrete board partition wall as claimed in claim 1 is characterized in that: when girder steel thickness 〉=40mm is thick girder steel, is the girder steel of not burning, and must carry out preheating to girder steel before the welding.
6, installation process for autoclaved lightweight concrete board partition wall as claimed in claim 5, it is characterized in that: the preheating of described pre-thermal recovery fired heater, front thermometric during preheating, thermometric should carry out after heating stops, the heating region width of preheating should be more than 1.5 times of welding place thickness, and is not less than 100mm.
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| CN102518301A (en) * | 2011-12-19 | 2012-06-27 | 上海富春建业科技股份有限公司 | Prefab house made of autoclaved aerated concrete slabs and assembly method for prefab house |
| CN102587677A (en) * | 2012-03-31 | 2012-07-18 | 天津住宅集团建设工程总承包有限公司 | Construction method for mounting sand autoclaved aerated side fascias at openings of doors and windows in steel structures |
| CN102926515A (en) * | 2012-03-19 | 2013-02-13 | 南京旭建新型建材股份有限公司 | Autoclaved lightweight aerated concrete ultrathin plate |
| CN102926495A (en) * | 2012-03-19 | 2013-02-13 | 南京旭建新型建材股份有限公司 | Autoclaved lightweight aerated concrete materials-based suspended ceiling |
| CN105370048A (en) * | 2015-10-12 | 2016-03-02 | 中建二局第三建筑工程有限公司 | Construction method of ultrahigh ultralong steam pressing lightweight aerated concrete panel wall |
| CN106223516A (en) * | 2016-09-08 | 2016-12-14 | 北京城建深港建筑装饰工程有限公司 | ALC steam-pressing aero-concrete batten tilts curtain wall structure and construction method |
| CN106760034A (en) * | 2016-12-27 | 2017-05-31 | 马肃领 | Construction method of heat-insulation wall body |
| CN106968442A (en) * | 2017-04-20 | 2017-07-21 | 中冶建工集团有限公司 | A kind of construction method of autoclaved lightweight sand aerated concrete batten partition wall |
| CN109339632A (en) * | 2018-09-29 | 2019-02-15 | 中建城市建设发展有限公司 | A kind of construction method of lightweight concrete slat partition wall door opening |
| CN110158784A (en) * | 2019-06-01 | 2019-08-23 | 南京兴陶预制品有限责任公司 | A kind of prefabricated board construction method of ALC |
| CN110374230A (en) * | 2019-06-26 | 2019-10-25 | 中建四局第六建筑工程有限公司 | A kind of exterior wall light cellular partition board installation node and its construction method |
| CN110607855A (en) * | 2019-09-12 | 2019-12-24 | 深圳市旭生骏鹏建筑工程有限公司 | Internal thermal insulation construction method for assembled external wall panel |
| CN111305377A (en) * | 2020-03-06 | 2020-06-19 | 河北省建筑科学研究院有限公司 | Ultra-low energy consumption building treatment method for assembled steel structure |
| CN111502292A (en) * | 2020-05-06 | 2020-08-07 | 河南远大可持续建筑科技有限公司 | Sinking type process method for expansion bolt of wall through hole of autoclaved aerated concrete wallboard |
| CN113482198A (en) * | 2021-07-05 | 2021-10-08 | 中建科工集团有限公司 | ALC board mounting method and ALC board mounting structure |
| CN116696056A (en) * | 2023-07-25 | 2023-09-05 | 中国十七冶集团有限公司 | Construction method of autoclaved aerated concrete precast slab |
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| CN102518301A (en) * | 2011-12-19 | 2012-06-27 | 上海富春建业科技股份有限公司 | Prefab house made of autoclaved aerated concrete slabs and assembly method for prefab house |
| CN102926515A (en) * | 2012-03-19 | 2013-02-13 | 南京旭建新型建材股份有限公司 | Autoclaved lightweight aerated concrete ultrathin plate |
| CN102926495A (en) * | 2012-03-19 | 2013-02-13 | 南京旭建新型建材股份有限公司 | Autoclaved lightweight aerated concrete materials-based suspended ceiling |
| CN102587677A (en) * | 2012-03-31 | 2012-07-18 | 天津住宅集团建设工程总承包有限公司 | Construction method for mounting sand autoclaved aerated side fascias at openings of doors and windows in steel structures |
| CN102587677B (en) * | 2012-03-31 | 2014-08-06 | 天津住宅集团建设工程总承包有限公司 | Construction method for mounting sand autoclaved aerated side fascias at openings of doors and windows in steel structures |
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| CN106223516A (en) * | 2016-09-08 | 2016-12-14 | 北京城建深港建筑装饰工程有限公司 | ALC steam-pressing aero-concrete batten tilts curtain wall structure and construction method |
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| CN106760034A (en) * | 2016-12-27 | 2017-05-31 | 马肃领 | Construction method of heat-insulation wall body |
| CN106968442A (en) * | 2017-04-20 | 2017-07-21 | 中冶建工集团有限公司 | A kind of construction method of autoclaved lightweight sand aerated concrete batten partition wall |
| CN106968442B (en) * | 2017-04-20 | 2019-02-05 | 中冶建工集团有限公司 | A kind of construction method of autoclaved lightweight sand aerated concrete batten partition wall |
| CN109339632A (en) * | 2018-09-29 | 2019-02-15 | 中建城市建设发展有限公司 | A kind of construction method of lightweight concrete slat partition wall door opening |
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| CN110374230A (en) * | 2019-06-26 | 2019-10-25 | 中建四局第六建筑工程有限公司 | A kind of exterior wall light cellular partition board installation node and its construction method |
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| CN110607855A (en) * | 2019-09-12 | 2019-12-24 | 深圳市旭生骏鹏建筑工程有限公司 | Internal thermal insulation construction method for assembled external wall panel |
| CN111305377A (en) * | 2020-03-06 | 2020-06-19 | 河北省建筑科学研究院有限公司 | Ultra-low energy consumption building treatment method for assembled steel structure |
| CN111502292A (en) * | 2020-05-06 | 2020-08-07 | 河南远大可持续建筑科技有限公司 | Sinking type process method for expansion bolt of wall through hole of autoclaved aerated concrete wallboard |
| CN113482198A (en) * | 2021-07-05 | 2021-10-08 | 中建科工集团有限公司 | ALC board mounting method and ALC board mounting structure |
| CN116696056A (en) * | 2023-07-25 | 2023-09-05 | 中国十七冶集团有限公司 | Construction method of autoclaved aerated concrete precast slab |
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