CN1114738C - In-situ cast hollow reinforced concrete slab preprovided with hollow hard thin wall members and its construction method - Google Patents

In-situ cast hollow reinforced concrete slab preprovided with hollow hard thin wall members and its construction method Download PDF

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CN1114738C
CN1114738C CN 99115648 CN99115648A CN1114738C CN 1114738 C CN1114738 C CN 1114738C CN 99115648 CN99115648 CN 99115648 CN 99115648 A CN99115648 A CN 99115648A CN 1114738 C CN1114738 C CN 1114738C
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邱则有
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Abstract

一种预置空腔硬质薄壁构件现浇钢筋砼空心板,由钢筋、砼、预置在钢筋中的空腔硬质薄壁构件组成,空腔硬质薄壁构件通过固定定位构件定位。 , In a predetermined cavity rigid thin walled hollow member of reinforced concrete, a steel, concrete, rigid thin walled cavity preset reinforcement member is composed of a thin-walled hollow rigid member is fixedly positioned by the positioning member . 施工方法为:支模,铺设钢筋或安放钢筋网片,安装砼内预埋;安放空腔薄壁管(盒),水电管线可穿薄管(盒)或预埋;钢筋定位绑扎,空腔硬质薄壁管(盒)上下方向和水平方向固定定位;浇注振捣砼、养护、拆模形成本发明的空心板。 Construction method: formwork, laying reinforcement steel mesh is placed or installed embedded within the concrete; hollow thin-walled tube positioned (box), water pipeline wear thin tube (cartridge) or embedded; steel banding positioning cavity rigid thin-walled tube (cartridge) vertically and horizontally fixedly positioned; vibrated concrete pouring, curing, form removal of a hollow plate of the present invention. 本发明具有施工简便,安全可靠,适用性广,节省材料,成本低等优点。 The invention has the construction is simple, safe, reliable, wide applicability, material saving, low cost.

Description

预置空腔硬质薄壁构件现浇钢筋砼空心板及其施工方法 Preset cavity of reinforced concrete hollow rigid member and a thin-walled construction method

本发明属于一种现浇钢筋砼空心板,主要适用于工业和民用建筑物的楼板,也可应用在空腹桥梁、空心路面、基础空心底极、基础空心桩、空心楼梯、空心台阶、空心剪力墙板等现浇钢筋砼空心板中。 The present invention pertains to a hollow slab of reinforced concrete, mainly for industrial and civil buildings floor, fasting can also be applied in bridges, roads hollow, empty heart very foundation, the basis of hollow piles, hollow stairs, steps hollow, hollow cut force wall panels of reinforced concrete hollow panel.

目前,现浇楼(屋面、基础)板(含预应力板)采用实心板,实心板砼用量多、自重大、钢筋用量大、跨度小、柱帽大,同时增加了柱和基础的荷载,很不经济。 Currently, cast floor (roof, base) plate (containing prestressed plate) of solid plate, solid plate more than the amount of concrete, since the major, large steel consumption, small span, large cap column, and the column while increasing the base load, uneconomical. 现浇的肋形梁板体系在板底露出很多主次梁或小肋梁,不美观,需吊顶,不能进行大开间分隔,不利于水电空调管线的安装。 Situ ribbed slab system is exposed in the bottom plate many small primary and secondary beam or slab beams, unsightly, ceiling need not be large bays separated, is not conducive to installation of hydroelectric conditioning line. 梁降低了净空高度。 Liang reduced headroom. 因顶板很薄,隔音差,因此梁板体系不经济,使用功能差。 Because the roof is thin, poor sound insulation, so the slab system is not economical to use dysfunction. 预制空心板存在有适用跨度小、易裂缝、易渗漏,结构整体性差,只能是单向板使用,抗地震性能差、不能抵抗地基不均匀沉降等因素引起的变形,多用于多层、小跨度建筑,不能用于高层建筑。 There exists precast hollow applicable span small, easy to crack, easy to leak deformable, structural integrity is poor, only one way is to use plates, the difference between the anti-seismic properties, can not resist differential settlement of the foundation caused by factors used in multilayer, small span buildings, high-rise buildings can not be used.

公告号CN2228503Y的专利文献中,已公开一种带永久性胎膜的现浇空心板,这种现浇砼板是“在制成的现浇砼板内部含有空心的胎膜”,这种带永久性胎模的现浇空心板有如下缺点:1、现浇成型困难,结构不合理。 Publication No. Patent Document CN2228503Y, disclosed membranes of permanent A tape cast hollow, cast concrete panels such as "in-situ concrete inner plate made of hollow membranes containing", this band permanent mold cast hollow tire has the following disadvantages: 1, cast molding difficult, irrational structure. 如公开说明书及附图中所述,空心胎模在砼浇注成型时,胎模因浇注振动砼浆而造成胎模上浮,使砼上层减薄,砼板上层为受压区,结构受力性能不合理。 As disclosed in the specification and drawings, the hollow tire mold when molding concrete pouring, the tire mold by pouring concrete slurry vibrations caused by tire mold floating the thinned upper layer of concrete, the concrete compression zone of the upper plate, the structure stress properties unreasonable.

2、空心胎模两端未封闭成空腔,砼成型时砼浆易进入空心胎模使空心板空心率下降。 2, both ends of the hollow tire into the mold cavity is not closed, when the concrete slurry easily molded into the hollow concrete of the hollow jig plate blank heart rate.

3、空心胎模如公开说明书和附图所述,截面形状为梯形、方形、圆形或其它形状。 3, hollow tire mold as disclosed in the specification and the drawings, a trapezoidal cross-sectional shape, square, circular or other shapes. 布置方向为单向布胎模,形成的砼空心板为单向板,在建筑中为单向受力,不能作双向板使用。 Arrangement direction unidirectional fabric jig, hollow concrete formed into unidirectional plate, in the construction of unidirectional force, two-way board can not be used. 不能满足建筑物多向受力结构形式的需要。 We can not meet the multi-building needs to form the force structure.

4、由于所公开的空心板属现浇砼构件,采用硬纸板、硬质泡沫塑料或陶土等作空心胎模,前二者降低了空心板建筑的防火性能,后者陶土在混凝土成型时陶土泥料被水泡软化后陶土进入砼中,砼的强度大幅度降低,硬纸板水泡后软化胎模易塌陷,增加砼量。 4, since the disclosed genus situ concrete hollow slab member, using cardboard and the like, or a rigid foam as clay hollow jig, both before reducing the fire resistance of hollow construction, which is a concrete shaped clay when the clay mud after being softened clay into the blisters in the concrete, a significant reduction in the strength of concrete, the softening tire mold easily collapse, the increase in the amount of concrete blister cardboard.

美国专利US3430912,它公开了一种板的固定系统及固定钩,在该专利的附图1中,表明了该发明在轻质钢筋砼空心板施工中的应用,同时,该图也公开了一种现浇钢筋砼空心板的结构与构造,它是在一个底板上包括有钢筋、砼、纤维纸管、固定定位构件,它们之间通过浇注的现浇砼粘结而形成整体空心板。 U.S. Patent No. US3430912, which discloses a system and a fixed fixing plate or holding, in the drawings of the patent 1, indicates that the application of this invention is in lightweight reinforced concrete hollow slab construction, while this figure also discloses a kind of structure and construction of reinforced concrete hollow slab, which is on a base plate including steel, concrete, fiber paper tube, fixing the positioning member, which is formed between the hollow plate integrally bonded by in-situ concrete poured. 这种空心楼板同样由于纤维纸管两端未封闭成空腔,砼成型时砼浆易进入管内,使空心板空心率下降,同时其防火性能差,水泡后软化易塌陷,增加砼用量。 Such hollow floor also due to the fibrous sheet not closed ends of the tube into the cavity, when the concrete slurry easily molded into the concrete pipe, the hollow plate blank heart rate, while its poor fire performance, easy to collapse the softened blister, to increase the amount of concrete.

本发明的目的是克服现有技术缺点,提供一种施工简易,适用性广,受力性能合理,质量安全可靠,结构合理,并能有效保证设计强度要求的预置空腔硬质薄壁构件现浇钢筋砼空心板及其施工方法。 Object of the present invention to overcome the disadvantages of the prior art, to provide a simple construction, wide applicability, reasonable force, secure, reliable quality, and reasonable structure, and can effectively guarantee a rigid thin walled member cavity preset design strength requirement situ reinforced concrete hollow slab and its construction method.

本发明预置空腔硬质薄壁构件现浇钢筋砼空心板,包括钢筋、砼、预置在钢筋中的空腔硬质薄壁构件、固定定位构件,空腔硬质薄壁构件通过固定定位构件定位,其特征在于所述的空腔硬质薄壁构件为封闭的空腔构件。 The present invention is a hard pre-cavity thin walled hollow member of reinforced concrete, including steel, concrete, steel is preset in the thin-walled hollow rigid member, the positioning member is fixed, a rigid thin walled hollow member by the fixing positioning the positioning member, wherein said thin-walled hollow rigid member is a closed hollow member.

本发明的特征还在于所述的空腔构件为单个封闭的空腔构件。 The present invention is further characterized in that said hollow member is single closed cavity member.

本发明的特征还在于所述空腔构件为多个开口式空心构件组合后封闭两端开口形成的封闭空腔组合构件。 Feature of the present invention is a combination of an enclosed cavity member closing the cavity member is formed as a hollow member both ends of the combination of a plurality of open-ended openings.

本发明的特征还在于所述空腔硬质薄壁构件为空腔硬质薄壁筒或空腔硬质薄壁盒,其截面形状为圆形、方形或其它异形。 The present invention is further characterized in that said thin-walled hollow rigid member is a rigid hollow tube or a thin-walled hollow thin-walled rigid cartridge, which cross-sectional shape is circular, square or other shaped.

本发明的特征还在于所述的空腔硬质薄壁构件的两端之间有与构件间现浇砼纵肋相交的现浇砼端间肋。 Feature of the present invention is further characterized by in-situ concrete between the end member and the in-situ concrete between the ribs intersect the longitudinal ribs between the ends of the hollow rigid thin walled member.

本发明的特征还在于所述的空腔硬质薄壁构件两端的现浇砼端间肋在同一直线上,构成与多条现浇砼纵肋相交的现浇砼通长端间肋。 The present invention also features situ concrete between the two ends of said thin walled hollow member rigid ribs on the same straight line, constituting a long pass situ concrete between the end of the plurality of in-situ concrete ribs intersect the longitudinal ribs.

本发明的特征还在于所述的现浇砼通长端间肋有至少两条相互平行。 The present invention is further characterized in that the in-situ concrete between the ribs on the long side at least two parallel to each other.

本发明的特征还在于所述空腔硬质薄壁构件的管或盒壁为不溶于水的硬质材料,硬质材料为水泥纤维、有机无机复合材料、钢材、塑料或硬质纸。 The present invention is further characterized in that said thin-walled hollow rigid tube member or a water-insoluble capsule wall is a hard material, hard material is a fiber cement, organic-inorganic composite materials, steel, plastic or hard paper.

本发明的特征还在于所述单个空腔硬质薄壁筒的空腔轴线单向平行排列,或纵横交叉排列,或多向排列。 The present invention is further characterized in that said single hollow cavity axis aligned parallel unidirectional rigid thin-wall tubular or crisscross arrangement, or the arrangement.

本发明的特征还在于所述空腔硬质薄壁盒的几何中心点连接线形成网状。 The present invention also features the geometric center of the cavity rigid cable network forming a thin-walled box.

本发明的特征还在于所述空腔硬质薄壁构件可设置在空心板的上部或中部或下部或偏上部或偏下部位置。 The present invention is further characterized in that said thin-walled hollow rigid member may be provided at an upper portion of the hollow plate or partial upper or middle or lower position or partial lower portion.

本发明的特征还在于所述固定定位构件为压顶钢筋、紧固铁丝和定位块。 The present invention is further characterized in that said fixing member positioned to press the top bars, wire and securing the positioning block.

本发明的特征还在于该空心板应用于楼板、空腹桥梁、空心路面。 Feature of the present invention is applied to floor panels the hollow, hollow bridges, roads hollow.

本发明的预置空腔硬质薄壁构件现浇钢筋砼空心板的施工方法为:(1)支模,铺设钢筋或安放钢筋网片,安装砼内预埋;(2)安放空腔薄壁管(盒),水电管线可穿薄壁管(盒)或预埋;(3)钢筋定位绑扎,空腔硬质薄壁管(盒)上下方向和水平方向固定定位;(4)浇注振捣砼、养护、拆模形成本发明的预置空腔硬质薄壁构件现浇钢筋砼空心板。 The method of the present invention presets the construction of the cavity member rigid thin walled hollow slab of reinforced concrete is: (1) formwork, laying steel or steel mesh is placed, mounted embedded within concrete; (2) mounting a thin cavity wall tubes (cassette), water pipeline wear thin-walled tube (cartridge) or embedded; (3) positioning banding steel, thin-walled hollow rigid tube (cartridge) vertical and horizontal directions fixed positioning; (4) pouring transducer pound concrete, curing, form removal pre-formed cavity of the present invention is a thin-walled rigid hollow plate member of reinforced concrete.

下面结合附图说明对本发明作详细说明。 BRIEF DESCRIPTION The present invention will be described in detail.

图1为发明实施例一的立体结构示意图。 FIG. 1 is a perspective schematic structural diagram of an invention embodiment.

图2为发明实施例二的立体结构示意图。 Figure 2 a perspective schematic structural diagram of a second embodiment of the invention.

图3为发明实施例三的立体结构示意图。 FIG 3 is a perspective schematic structural diagram of the invention according to a third embodiment.

图4为空腔硬质薄壁构件实施例一结构示意图。 FIG 4 is a thin-walled hollow rigid member a schematic configuration example embodiment.

图5为空腔硬质薄壁构件实施例二结构示意图。 Two schematic structural diagram of FIG. 5 embodiment is a thin-walled hollow rigid member.

图6为表示空腔硬质薄壁构件固定定位形式实施例一的示意图。 FIG 6 is a schematic diagram showing an example embodiment of a fixed positioning member in the form of a thin-walled rigid cavity.

图7为表示空腔硬质薄壁构件固定定位形式实施例二的示意图。 7 is a schematic diagram of a second embodiment in the form of fixed positioning a thin-walled hollow rigid member.

图8为表示空腔硬质薄壁构件可方便水、电管线及风管预埋的空心板成品使用状态示意图。 FIG 8 is a thin walled hollow rigid member schematic conveniently water, and the electrical line embedded in the hollow duct end-use state.

如图1-3所示,本发明由钢筋1、砼2、预置在钢筋中的空腔硬质薄壁构件3组成,在砼浇注前,浇注中空腔硬质薄壁构件3通过固定定位构件4定位。 1-3, the present invention consists of a reinforced, concrete 2, a cavity preset in the reinforcement member 3 consisting of a rigid thin wall, before concrete pouring, casting thin-wall hollow rigid member 3 is fixed by positioning member 4 is positioned. 所述空腔硬质薄壁构件可以是空腔硬质薄壁筒或空腔硬质薄壁盒,其截面形状可以是圆形、方形或其它异形,如图4所示,为正六方形。 The cavity member may be a thin-walled rigid hollow tubular thin-walled rigid or rigid thin-walled hollow box, whose cross-sectional shape may be circular, square or other shaped, shown in Figure 4, it is a positive hexagon. 所述空腔硬质薄壁构件的管(盒)壁为不溶于水的硬质材料,可以是水泥纤维硬质管(盒)或有机无机复合材料硬质薄壁管(盒)或钢管(盒)或塑料管(盒)或硬质纸管(盒)。 The thin-walled hollow rigid tube member (box) walls are water-insoluble hard material, it may be a rigid fiber cement tube (cartridge), or an organic inorganic composite material rigid thin-walled tube (cartridge) or the tube ( box) or plastic tubes (cassette) or hard paper tube (cartridge). 所述空腔硬质薄壁构件可以为单个封闭的空腔构件或多个开口式空心构件组合后封闭两端开口形成的封闭空腔组合构件,如图5所示。 The thin-wall hollow rigid member may be a single member or a plurality of enclosed cavities enclosed cavity after open-ended hollow member combination compositions closure member open at both ends is formed, as shown in FIG. 所述空腔硬质薄壁筒的空腔轴线单向平行排列,或纵横交叉排列,或多向排列,如图1、2所示。 The cavities are arranged in parallel unidirectional rigid thin wall tube cavity axis, or arranged crisscross, or the arrangement, as shown in Figs. 图1-3给出的实施例,空腔硬质薄壁构件均设置在砼空心板中部,为了满足装修走线,以及某些特殊要求,空腔硬质薄壁构件也可以设置在空心板的上部或下部或偏上部或偏下部位置。 FIG embodiment, the thin-walled hollow rigid member 1-3 are set forth in the middle of hollow concrete, in order to meet alignment decoration, as well as some special requirements, the thin-walled hollow rigid member may be provided in a hollow or partial upper or lower partial upper or lower position.

图6、图7给出了空腔硬质薄壁构件的固定定位实施例,如图6、7所示,空腔硬质薄壁构件的固定定位构件4可为Y型支座和支座合扣4-1、4-2,或为“n”形铁丝4-3,或为压顶钢筋4-4、紧固铁丝4-5和定位块4-6。 6, FIG. 7 shows a thin-walled hollow rigid member is fixedly positioned embodiments, the fixing member is positioned in the cavity of a rigid thin walled member may be a Y-4 and the support bearings 6,7 in FIG. the discount 4-1, 4-2, or by "n" shaped wire 4-3, 4-4, or as capping reinforced fastening wire positioning blocks 4-5 and 4-6. 也可采用其他构件和方法控制空腔硬质薄壁构件在砼浇注振捣过程中浮力作用产生的上下浮动或水平移动,以避免空腔形成不匀或不符合设计要求,以确保空心板强度和质量。 Other methods may also be employed to control the cavity member and the thin walled member rigid buoyancy acting vibrator during concrete pouring fluctuate or horizontal movement, the cavity formed in order to avoid uneven or not meet design requirements, to ensure the strength of the hollow plate and quality. 例如采用定位棒4-7控制移动,实现定位,在砼浇注前将其插入空腔硬质薄壁构件之间,砼浇注后未干前取出。 4-7, for example, using the rod positioning control movement, to achieve positioning prior to concrete pouring it into the cavity between the rigid thin walled member, dry before removed after concrete pouring.

本发明预置空腔硬质薄壁构件现浇钢筋砼空心板,根据不同设计要求可形成有梁多孔板、无梁多孔板、无柱帽多孔板、暗梁多孔板、多孔基础板、空心桩、楼梯、台阶、剪力墙或以上的组合。 The present invention is a hard pre-cavity thin walled hollow member of reinforced concrete, a porous plate may be formed according to different design requirements beams, nonporous plate girder, a cap without a perforated plate column, a perforated plate girder dark, porous base plate, hollow pile, stairs, steps, shear walls, or a combination thereof. 具有如下优点:1、施工简便、安全、可靠、快速、施工成本低。 Has the following advantages: 1, the construction is simple, safe, reliable, fast, low construction cost.

2、适用性广,适用于各种跨度和各种荷载的建筑、路面、基础。 2, wide applicability, suitable for various spans and loads of various buildings, roads, infrastructure. 用作大跨度、大荷载、大空间的多层和高层建筑楼板更具优越性。 As a large span, heavy load, multi-storey high-rise building floor space and more advantages.

3、能有效保证设计要求和强度要求。 3, can effectively guarantee the design requirements and strength requirements.

4、节省材料,降低综合造价,一是钢筋砼造价降低;二是模板损耗减少;三是可利用空腔硬质薄壁构件预埋水、电管线、风管(如图8所示),可节省水、电管线、风管套管,节省外装饰费用。 4, to save material and reduce the total cost, decrease the cost of one reinforced concrete; second is to reduce losses template; three are available thin-walled hollow rigid member embedded water, electrical conduits, air duct (8), can save water, electrical conduits, duct casing, decoration cost savings.

Claims (13)

1.一种预置空腔硬质薄壁构件式现浇钢筋砼空心板,它包括钢筋、砼、预置在钢筋砼中的空腔硬质薄壁构件、固定定位构件,空腔硬质薄壁构件通过固定定位构件定位,其特征在于所述空腔硬质薄壁构件为封闭的空腔构件。 A pre-chamber type rigid thin-walled member of reinforced concrete hollow slab comprising steel, concrete, reinforced concrete preset in a cavity in a rigid thin wall member, fixed to the positioning member, a rigid cavity thin walled member is fixedly positioned by the positioning member, wherein said thin-walled hollow rigid member is a closed hollow member.
2.根据权利要求中所述的预置空腔硬质薄壁构件式现浇钢筋砼空心板,其特征在于所述的空腔构件为单个封闭的空腔构件。 According to claim preset in the thin-walled hollow rigid member of reinforced concrete hollow slab type, characterized in that the cavity closure member is a single cavity member.
3.根据权利要求1所述的预置空腔硬质薄壁构件式现浇钢筋砼空心板,其特征在于所述空腔构件为多个开口式空心构件组合后封闭两端开口形成的封闭空腔组合构件。 The preset cavity of the thin-walled member of a rigid type of reinforced concrete hollow claim, wherein said cavity is closed at both ends after the closure member is a plurality of open-ended hollow member formed of a combination of an opening combining member cavity.
4.根据权利要求1所述的预置空腔硬质薄壁构件式现浇钢筋砼空心板,其特征在于所述空腔硬质薄壁构件为空腔硬质薄壁筒或空腔硬质薄壁盒,其截面形状为圆形、方形或其它异形。 The preset cavity of the thin-walled member of a rigid type of reinforced concrete hollow claim, wherein said thin-walled hollow rigid member is a thin-walled hollow cylindrical or hollow rigid hard The thin - walled box, which cross-sectional shape is circular, square or other shaped.
5.根据权利要求1、2、3或者4所述的预置空腔硬质薄壁构件式现浇钢筋砼空心板,其特征在于所述的空腔硬质薄壁构件的两端之间有与构件间现浇砼纵肋相交的现浇砼端间肋。 The pre-chamber 2, 3 or 4, wherein the thin-walled member rigid type of reinforced concrete hollow claim, wherein the cavity between the two ends of a rigid thin walled member there situ concrete between the end member and the in-situ concrete between the ribs intersect the longitudinal ribs.
6.根据权利要求5所述的预置空腔硬质薄壁构件式现浇钢筋砼空心板,其特征在于所述的空腔硬质薄壁构件两端的现浇砼端间肋在同一直线上,构成与多条现浇砼纵肋相交的现浇砼通长端间肋。 The cavity 5 of the pre-rigid thin-walled member of reinforced concrete hollow slab of formula as claimed in claim, characterized in that the in-situ concrete between the two ends of said thin walled hollow member rigid ribs at the same linear , the configuration between the end of the long-situ concrete through a plurality of in-situ concrete ribs intersect the longitudinal ribs.
7.根据权利要求6所述的预置空腔硬质薄壁构件式现浇钢筋砼空心板,其特征在于所述的现浇砼通长端间肋有至少两条相互平行。 The preset cavity of the member 6, a rigid thin walled hollow slab of reinforced concrete of formula as claimed in claim, wherein the in-situ concrete between the ribs on the long side at least two parallel to each other.
8.根据权利要求1、2、3或者4所述的预置空腔硬质薄壁构件式现浇钢筋砼空心板,其特征在于所述空腔硬质薄壁构件的管或盒壁为不溶于水的硬质材料,硬质材料为水泥纤维、有机无机复合材料、钢材、塑料或硬质纸。 The pre-chamber 2, 3 or 4, wherein the thin-walled member rigid type of reinforced concrete hollow claim, wherein the pipe or the box wall of the cavity is a rigid thin walled member water-insoluble hard material, the hard material is a fiber cement, organic-inorganic composite materials, steel, plastic or hard paper.
9.根据权利要求1、2、3或者4所述的预置空腔硬质薄壁构件式现浇钢筋砼空心板,其特征在于所述单个空腔硬质薄壁筒的空腔轴线单向平行排列,或纵横交叉排列,或多向排列。 Single cavity axis of the cavity according to claim preset type of hard thin-walled member of reinforced concrete hollow slab 2, 3 or 4, wherein the single cavity of a rigid thin wall tube arranged in parallel to, or arranged crisscross, multi-directional arrangement.
10.根据权利要求1、2、3或者4所述的预置空腔硬质薄壁构件式现浇钢筋砼空心板,其特征在于所述空腔硬质薄壁盒的几何中心点连接线形成网状。 Preset cavity according to claim 2, 3 or 4 of the thin-walled rigid member of reinforced concrete hollow slab type, characterized in that the geometric center of the cavity a thin-walled rigid cartridge connecting line form a web.
11.根据权利要求1、2、3或者4所述的预置空腔硬质薄壁构件式现浇钢筋砼空心板,其特征在于所述空腔硬质薄壁构件可设置在空心板的上部或中部或下部或偏上部或偏下部位置。 11. The pre-chamber 2, 3 or 4 of the thin-walled member rigid type of reinforced concrete hollow claim, wherein said thin-walled hollow rigid member may be disposed in the hollow plate or partial upper or lower portion or an upper portion of the middle or lower position biased.
12.根据权利要求1、2、3或者4所述的预置空腔硬质薄壁构件式现浇钢筋砼空心板,其特征在于所述固定定位构件为压顶钢筋、紧固铁丝和定位块。 According to claim preset rigid thin walled hollow member of reinforced concrete hollow slab of formula 2, 3 or 4, wherein said fixing member is positioned top pressure bars, wire and securing the positioning block .
13.根据权利要求1、2、3或者4所述的预置空腔硬质薄壁构件式现浇钢筋砼空心板,其特征在于该空心板应用于楼板、空腹桥梁、空心路面。 Preset cavity according to claim 2, 3 or 4 of the thin-walled rigid member of reinforced concrete hollow slab type, characterized in that the hollow floor slab is applied, hollow bridges, roads hollow.
CN 99115648 1999-11-22 1999-11-22 In-situ cast hollow reinforced concrete slab preprovided with hollow hard thin wall members and its construction method CN1114738C (en)

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