CN107859232B - 一种预埋线盒线管的砂加气混凝土板材及其制备方法 - Google Patents

一种预埋线盒线管的砂加气混凝土板材及其制备方法 Download PDF

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CN107859232B
CN107859232B CN201711338319.5A CN201711338319A CN107859232B CN 107859232 B CN107859232 B CN 107859232B CN 201711338319 A CN201711338319 A CN 201711338319A CN 107859232 B CN107859232 B CN 107859232B
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aerated concrete
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CN107859232A (zh
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刘洋
李军奇
刘振丰
薛小雨
刘涛
周媛
杨萍
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Shaanxi Nitya New Materials Technology Co ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/52Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • B28B23/022Means for inserting reinforcing members into the mould or for supporting them in the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • B28B11/245Curing concrete articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/34Moulds, cores, or mandrels of special material, e.g. destructible materials
    • B28B7/342Moulds, cores, or mandrels of special material, e.g. destructible materials which are at least partially destroyed, e.g. broken, molten, before demoulding; Moulding surfaces or spaces shaped by, or in, the ground, or sand or soil, whether bound or not; Cores consisting at least mainly of sand or soil, whether bound or not
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/10Lime cements or magnesium oxide cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/18Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/049Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres completely or partially of insulating material, e.g. cellular concrete or foamed plaster
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/06Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

本发明公开了一种预埋线盒线管的砂加气混凝土板材及其制备方法,包括砂加气混凝土板材、钢筋网笼和线盒线管,所述钢筋网笼包括数条纵向主筋、数条横向辅筋和数个连接铁件,所述线盒线管固定于钢筋网笼上,其中线盒内及线管端部塞满聚苯板后用透明胶带密封,所述钢筋网笼和线盒线管浇筑于砂加气混凝土板材中。本发明与目前施工现场用切割机或钻孔机开槽的方式相比,解决了现有技术中工序繁琐、成本高,粉尘、噪声污染环境等问题,避免了现场开槽造成板材及墙体结构的质量隐患,极大的减少了劳动力,降低了劳动强度和人工成本,具有显著的经济效益和社会效益。

Description

一种预埋线盒线管的砂加气混凝土板材及其制备方法
技术领域
本发明涉及一种绿色环保装配式新型建材,尤其涉及一种预埋线盒线管的砂加气混凝土板材及其制备方法。
背景技术
目前运用砂加气混凝土板安装的建筑物墙体均是人工运用切割机或钻孔机开线槽和插座孔,然后安装线盒线管。现有技术的缺点:
(1)切割机或钻孔机开槽易损伤板材钢筋,对墙体造成结构上的缺陷;
(2)切割机或钻孔机开槽过程中产生振动,易使板材产生裂缝;
(3)人工开槽工序繁琐,工期长,成本高;
(4)现场开槽扬尘大,噪声大,污染环境。
传统的蒸压砂加气混凝土板需要现场人工运用切割机或钻孔机开槽再人工安装线盒线管,不仅极易损坏板体,对墙体结构造成破坏,而且工序繁琐,延长工期,人工成本高,现场开槽更会造成严重的环境污染,损害人体健康。为此,我们提出一种预埋线盒线管的蒸压砂加气混凝土板材。
发明内容
本发明为了解决以上问题,提出了一种预埋线盒线管的砂加气混凝土板材及其制备方法,有效的弥补了前述现有技术的不足和缺陷,克服了人工开槽对墙体的损伤,工序繁琐,工期长,成本高,扬尘大、噪声大、污染环境等问题。
本发明的上述目的通过以下技术方案予以实现:
本发明提供了一种预埋线盒线管的砂加气混凝土板材及其制备方法,包括砂加气混凝土板材、钢筋网笼和线盒线管,所述钢筋网笼包括数条纵向主筋、数条横向辅筋和数个连接铁件,所述线盒线管固定于钢筋网笼上,其中线盒内及线管端部塞满聚苯板后用透明胶带密封,所述钢筋网笼和线盒线管浇筑于砂加气混凝土板材中。
优选的,所述线盒线管浇筑于砂加气混凝土板材中,并且线盒上表面与砂加气混凝土板材大面平行。
优选的,所述线盒线管材质为镀锌铁质。
优选的,所述线盒线管和钢筋网笼的固定方式可为焊接、绑扎或植筋胶粘结。
优选的,所述数条纵向主筋等距离固定,所述横向辅筋中间等间距固定,两侧非等间距固定。
优选的,所述砂加气混凝土板材的原料组分包括石英砂、石灰、水泥、石膏、铝粉、稳泡剂,其中各组分的重量百分含量为:石英砂53%~60%、石灰8%~13%、水泥20%~30%、石膏2%~4%、铝粉0.6‰~0.7‰、稳泡剂0.02‰~0.03‰。
一种如上所述的预埋线盒线管的砂加气混凝土板材制备方法,其特征在于,包括以下步骤:
(1)将各组分按照重量百分含量为:石英砂53%~60%、石灰8%~13%、水泥20%~30%、石膏2%~4%、铝粉0.6‰~0.7‰、稳泡剂0.02‰~0.03‰的比例进行配料;预备钢筋网笼、线盒线管;
(2)原材料加工:将石英砂湿磨成石英砂浆,石膏加水制成石膏浆,钢筋调直切断,按照设计图纸要求焊接成钢筋网片,通过连接铁件将钢筋网片制成钢筋网笼;
(3)在线盒内及线管端部塞满聚苯板后用透明胶带密封,以防止浇筑后浆体进入线盒线管中造成堵塞;
(4)将线盒线管与钢筋网笼固定,固定方式可为焊接、绑扎、植筋胶粘结;
(5)按照步骤(1)配比依次将石英砂浆、石膏浆、水泥、石灰,加入配料搅拌罐中混合搅拌,得到混合物A;同时将铝粉、稳泡剂加入铝粉搅拌罐中混合搅拌,得到混合物B,后将混合物B加入到混合物A中,搅拌均匀得到砂加气混凝土浆体混合物;
(6)将砂加气混凝土浆体混合物浇筑到模具车中并***预装线盒线管的钢筋网笼,然后进入静停室静养;达到拔钎硬度后出静停室进行拔钎,并翻转脱模进行切割;
(7)切割后坯体进行编组并进入蒸压釜蒸养,高温蒸养后聚苯板及透明胶带融化,施工时敲开线盒及线管端部后只需清理聚苯板及透明胶带的残留物即可;
(8)蒸养后坯体出釜掰板,标记出预埋线盒及线管端部位置;板材拼装后根据标记敲开线盒及线管端部位置;在预埋的线盒线管里布线、安装插座。
与现有技术相比,本发明的优点在于:
(1)本发明线盒线管与板材合为一体,其整体性好,保证板体的结构性能;
(2)本发明无需施工现场开槽,避免由于二次施工振动导致板材产生裂缝;
(3)本发明无需施工现场开槽,施工便捷,节省人工成本,缩短工期,降低工程总造价;
(4)本发明无需施工现场开槽,不产生扬尘和噪音,保护环境免受污染。
附图说明
图1为本发明结构示意图;
图2为本发明侧剖面示意图。
附图标记说明:
1-砂加气混凝土板材,2-钢筋网笼,3-线管,4-线盒。
具体实施方式
下面结合附图描述本发明具体实施方式:
需要说明的是,本说明书所附图中示意的结构、比例、大小等,均仅用以配合说明书所揭示的内容,以供熟悉此技术的人士了解与阅读,并非用以限定本发明可实施的限定条件,任何结构的修饰、比例关系的改变或大小的调整,在不影响本发明所能产生的功效及所能达成的目的下,均应仍落在本发明所揭示的技术内容能涵盖的范围内。
同时,本说明书中所引用的如“上”、“下”、“左”、“右”、“中间”及“一”等的用语,亦仅为便于叙述的明了,而非用以限定本发明可实施的范围,其相对关系的改变或调整,在无实质变更技术内容下,当亦视为本发明可实施的范畴。
本发明提供了一种预埋线盒线管的砂加气混凝土板材,包括砂加气混凝土板材1、钢筋网笼2和线盒4线管3,所述钢筋网笼2包括数条纵向主筋、数条横向辅筋及数个连接铁件,所述数条纵向主筋和数条横向辅筋固定成钢筋网片,数个连接铁件将两片钢筋网片连接成钢筋网笼2,所述线盒4线管3固定于钢筋网笼2上,其中线盒4内及线管3端部塞满聚苯板后用透明胶带密封,所述钢筋网笼2和线盒4线管3浇筑于砂加气混凝土板材1中。
优选的,所述线盒4线管3浇筑于砂加气混凝土板材1中,并且线盒4上表面与砂加气混凝土板材1大面平行。
优选的,所述线盒4线管3材质为镀锌铁质。
优选的,所述线盒4线管3和钢筋网笼2的固定方式可为焊接、绑扎或植筋胶粘结。
优选的,所述数条纵向主筋等距离固定,所述横向辅筋中间等间距固定,两侧非等间距固定。
优选的,所述砂加气混凝土板材的原料组分包括石英砂、石灰、水泥、石膏、铝粉、稳泡剂,其中各组分的重量百分含量为:石英砂53%~60%、石灰8%~13%、水泥20%~30%、石膏2%~4%、铝粉0.6‰~0.7‰、稳泡剂0.02‰~0.03‰。
一种如上所述的预埋线盒线管的砂加气混凝土板材制备方法,其特征在于,包括以下步骤:
(1)将各组分按照重量百分含量为:石英砂53%~60%、石灰8%~13%、水泥20%~30%、石膏2%~4%、铝粉0.6‰~0.7‰、稳泡剂0.02‰~0.03‰的比例进行配料;预备钢筋网笼、线盒和线管;
(2)原材料加工:将石英砂湿磨成石英砂浆,石膏加水制成石膏浆,钢筋调直切断,按照设计图纸要求焊接成钢筋网片,通过连接铁件将钢筋网片制成钢筋网笼;
(3)在线盒内及线管端部塞满聚苯板后用透明胶带密封,以防止浇筑后浆体进入线盒线管中造成堵塞;
(4)将线盒线管与钢筋网笼固定,固定方式为焊接、绑扎、植筋胶粘结;
(5)按照步骤(1)配比依次将石英砂浆、石膏浆、水泥、石灰,加入配料搅拌罐中混合搅拌,得到混合物A;同时将铝粉、稳泡剂加入铝粉搅拌罐中混合搅拌,得到混合物B,后将混合物B加入到混合物A中,搅拌均匀得到砂加气混凝土浆体混合物;
(6)将砂加气混凝土浆体混合物浇筑到模具车中并***预装线盒线管的钢筋网笼,然后进入静停室静养;达到拔钎硬度后出静停室进行拔钎,并翻转脱模进行切割;
(7)切割后坯体进行编组并进入蒸压釜蒸养,高温蒸养后聚苯板及透明胶带融化,施工时敲开线盒及线管端部后只需清理聚苯板及透明胶带的残留物即可;
(8)蒸养后坯体出釜掰板,标记出预埋线盒及线管端部位置;板材拼装后根据标记敲开线盒及线管端部位置;在预埋的线盒线管里布线、安装插座。
本发明与目前施工现场用切割机或钻孔机开槽的方式相比,解决了现有技术中工序繁琐、成本高,粉尘、噪声污染环境等问题,避免了现场开槽造成板材及墙体结构的质量隐患,极大的减少了劳动力,降低了劳动强度和人工成本,具有显著的经济效益和社会效益。
本发明线盒线管与板材合为一体,其整体性好,保证板体的结构性能;本发明不需现场开槽,避免由于二次施工的振动,使得板材产生人为裂缝;本发明施工现场无需开槽,施工便捷,节省人工成本,缩短工期,降低工程总造价,并且保护了环境。
上面结合附图对本发明优选实施方式作了详细说明,但是本发明不限于上述实施方式,在本领域普通技术人员所具备的知识范围内,还可以在不脱离本发明宗旨的前提下做出各种变化。
不脱离本发明的构思和范围可以做出许多其他改变和改型。应当理解,本发明不限于特定的实施方式,本发明的范围由所附权利要求限定。

Claims (2)

1.一种预埋线盒线管的砂加气混凝土板材的制备方法,其特征在于:所述预埋线盒线管的砂加气混凝土板材包括砂加气混凝土板材、钢筋网笼和线盒线管,钢筋网笼包括数条纵向主筋、数条横向辅筋和数个连接铁件,所述线盒线管固定于钢筋网笼上,所述钢筋网笼和线盒线管浇筑于砂加气混凝土板材中,其中线盒上表面与砂加气混凝土板材大面平行,线盒线管材质为镀锌铁质;所述砂加气混凝土板材的原料组分包括石英砂、石灰、水泥、石膏、铝粉、稳泡剂,其中各组分的重量百分含量为:石英砂53%~60%、石灰8%~13%、水泥20%~30%、石膏2%~4%、铝粉0.6‰~0.7‰、稳泡剂0.02‰~0.03‰;
所述预埋线盒线管的砂加气混凝土板材的制备方法包括以下步骤:
(1)将各组分按照重量百分含量为:石英砂53%~60%、石灰8%~13%、水泥20%~30%、石膏2%~4%、铝粉0.6‰~0.7‰、稳泡剂0.02‰~0.03‰的比例进行配料;预备钢筋网笼、线盒线管;
(2)原材料加工:将石英砂湿磨成石英砂浆,石膏加水制成石膏浆,钢筋调直切断,按照设计图纸要求焊接成钢筋网片,通过连接铁件将钢筋网片制成钢筋网笼;
(3)在线盒内及线管端部塞满聚苯板后用透明胶带密封,以防止浇筑后浆体进入线盒线管中造成堵塞;
(4)将线盒线管与钢筋网笼固定,固定方式为焊接、绑扎、植筋胶粘结;
(5)按照步骤(1)配比依次将石英砂浆、石膏浆、水泥、石灰,加入配料搅拌罐中混合搅拌,得到混合物A;同时将铝粉、稳泡剂加入铝粉搅拌罐中混合搅拌,得到混合物B,后将混合物B加入到混合物A中,搅拌均匀得到砂加气混凝土浆体混合物;
(6)将砂加气混凝土浆体混合物浇筑到模具车中并***预装线盒线管的钢筋网笼,然后进入静停室静养;达到拔钎硬度后出静停室进行拔钎,并翻转脱模进行切割;
(7)切割后坯体进行编组并进入蒸压釜蒸养,高温蒸养后聚苯板及透明胶带融化,施工时敲开线盒及线管端部后清理聚苯板及透明胶带的残留物即可;
(8)蒸养后坯体出釜掰板,标记出预埋线盒及线管端部位置;板材施工拼装后根据标记敲开线盒及线管端部位置;在预埋的线盒线管里布线、安装插座。
2.根据权利要求1所述的一种预埋线盒线管的砂加气混凝土板材的制备方法,其特征在于:所述数条纵向主筋等距离固定,所述横向辅筋中间等间距固定,两侧非等间距固定。
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