标准编号:	T/CECS 10132-2021
中文名称:	大跨度预应力混凝土空心板
英文名称:	Long-span prestressed concrete hollow-core slabs
中标分类:	P32    建筑构造与装饰工程
行业分类:	T/    团体标准
ICS分类:	91.060.20 91.060.20    屋顶 91.060.20
发布机构:	中国工程建设标准化协会
发布日期:	2021-05-18
实施日期:	2021-10-1
标准状态:	valid
翻译语言:	英文
文件格式:	PDF
中文字符数:	37000 字
翻译价格(元):	5385.0
交付时间:	付款后 1 个工作日

Long-span prestressed concrete hollow-core slabs 1 Scope This document specifies the specification & marking, requirements, test methods, inspection rules, labeling, storage and transportation, as well as quality certificate of long-span prestressed concrete hollow-core slabs. This document is applicable to the production and inspection of long-span prestressed concrete hollow-core slabs produced with special automation equipment and long line prestressed pretensioned process. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies. GB 175 Common portland cement GB/T 5223 Steel wires for prestressed concrete GB/T 5224 Steel strand for prestressed concrete GB 8076 Concrete admixtures GB/T 50002 Standard for modular coordination of building GB 50010 Code for design of concrete structures GB/T 50081 Standard for test methods of concrete physical and mechanical properties GB/T 50107 Standard for evaluation of concrete compressive strength GB 50119 Code for utility technical of concrete admixture GB/T 50146 Technical code for application of fly ash concrete GB/T 50152 Standard for test method of concrete structures GB 50204 Code for acceptance of constructional quality of concrete structures GB 50666 Code for construction of concrete structures GB/T 51003 Technical code for application of mineral admixture GB/T 51231 Technical standard for assembled buildings with concrete structure JC/T 949 Mould release agent for concrete products JC/T 2477 Admixture for precast concrete JG/T 520 Test method for compressive strength of extrusion concrete JGJ 52 Standard for technical requirements and test method of sand and crushed stone (or gravel) for ordinary concrete JGJ 55 Specification for mix proportion design of ordinary concrete JGJ 63 Standard of water for concrete JGJ/T 241 Technical specification for application of manufactured sand concrete 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 long-span prestressed concrete hollow-core slabs prestressed pretensioned concrete slab hollow-core member composed of multiple regularly-arranged full-length holes, with marking length of 3m~21m and standardized slab thickness and marking width Note: Hereinafter referred to as “hollow-core slab”. 3.2 long line prestressed pretensioned process process as follows for producing precast concrete member: tension prestressed tendons and temporarily anchor them with fixtures on a former platform with length not less than 100m, then, pour concrete and arrange the prestressed pretensioned tendons when the concrete reaches the specified strength to form prestress 3.3 gap minimum clear distance between hollow-core slabs when the slabs are designed and arranged Note: The gap is divided into slab end gap and slab side gap. 3.4 extrusion technology technology for producing hollow-core slab formed by extruding and compacting stiff concrete via the combined action of the screw feeder and the built-in vibration device when the special automation equipment is moved along the former platform 3.5 slip-former technology technology for producing hollow-core slab formed by vibrating and stamping stiff concrete via the action of the vibration device when the special automation equipment is moved along the former platform 4 Specification and marking 4.1 Specification 4.1.1 Length dimension 4.1.1.1 The marking length (l) of hollow-core slab shall be the span of the axis; the production length (lp) of the hollow-core slab shall be the marking length minus the slab end gap (g) (Figure 1); the slab end gap (g) shall not be less than 20mm and shall be determined in the design document. Key: 1——hollow-core slab 2——supporting member l——marking length lp——production length g——slab end gap, g＝g1＋g2 g1, g2——distance between axis and slab end Figure 1 Schematic diagram of longitudinal length of hollow-core slab 4.1.1.2 The marking length (l) of hollow-core slab shall be within the specified length, 3≤ l ≤21m. 4.1.2 Sectional dimension 4.1.2.1 The thicknesses (h) of hollow-core slab shall be: 100mm, 120mm, 150mm, 160mm, 180mm, 200mm, 220mm, 240mm, 250mm, 265mm, 300mm, 320mm, 350mm, 360mm, 370mm, 380mm, 400mm, 450mm or 500mm.

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Specification and marking 5 Requirements 6 Test methods 7 Inspection rules 8 Marking, stacking and transportation 9 Certification documents Annex A (Informative) Types and schematics of longitudinal side slots of hollow-core slab Annex B (Informative) Section forms and characteristics of hollow-core slab members Annex C (Informative) Mechanical property indicators of typical reinforcement of hollow-core slab members Annex D (Normative) Production process requirements of hollow-core slab

大跨度预应力混凝土空心板 1 范围 本文件规定了大跨度预应力混凝土空心板的规格与标记，要求，试验方法，检验规则，标识、堆放与运输，质量证明文件等。 本文件适用于采用专用自动化设备及先张法预应力长线工艺生产的大跨度预应力混凝土空心板的制造和检验。 2 规范性引用文件 下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中注日期的引用文件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本(包括所有修改单)适用于本文件。 GB 175 通用硅酸盐水泥 GB/T 5223 预应力混凝土用钢丝 GB/T 5224 预应力混凝土用钢绞线 GB 8076 混凝土外加剂 GB/T 50002 建筑模数协调标准 GB 50010 混凝土结构设计规范 GB/T 50081 混凝土物理力学性能试验方法标准 GB/T 50107 混凝土强度检验评定标准 GB 50119 混凝土外加剂应用技术规范 GB/T 50146 粉煤灰混凝土应用技术规范 GB/T 50152 混凝土结构试验方法标准 GB 50204 混凝土结构工程施工质量验收规范 GB 50666 混凝土结构工程施工规范 GB/T 51003 矿物掺合料应用技术规范 GB/T 51231 装配式混凝土建筑技术标准 JC/T 949 混凝土制品用脱模剂 JC/T 2477 预制混凝土用外加剂 JG/T 520 挤压成型混凝土抗压强度试验方法 JGJ 52 普通混凝土用砂、石质量及检验方法标准 JGJ 55 普通混凝土配合比设计规程 JGJ 63 混凝土用水标准 JGJ/T 241 人工砂混凝土应用技术规程 3 术语和定义 下列术语和定义适用于本文件。 3.1 大跨度预应力混凝土空心板 long-span prestressed concrete hollow-core slabs 标志长度为3m～21m且具有标准化的板厚与标志宽度，由多个规则布置通长孔洞组成的先张法预应力混凝土板类空心构件。 注：以下简称“空心板”。 3.2 先张法预应力长线工艺 Long line prestressed pretensioned process 在长度不小于100m的模台上，先张拉预应力筋并用夹具临时锚固，浇筑混凝土并达到规定强度后放张预应力筋，从而建立预应力的预制混凝土构件生产工艺。 3.3 间隙 gap 在进行设计排板布置时，空心板与空心板之间的最小净距。 注：分为板端间隙与板侧间隙。 3.4 挤压成型技术 extrusion technology 专用自动化设备主体沿着模台移动，通过螺旋送料器和内置振动装置等的联合作用，将干硬性混凝土挤压密实成型的空心板生产技术。 3.5 滑模成型技术 slip-former technology 专用自动化设备主体沿着模台移动，通过振动装置的作用，将干硬性混凝土振捣密实成型的空心板生产技术。 4 规格与标记 4.1 规格 4.1.1 长度尺寸 4.1.1.1 空心板的标志长度(l)应取为轴线跨度；空心板的制作长度(lp)应取为标志长度减去板端间隙(g)(图1)，板端间隙(g)不应小于20mm且具体大小由设计文件确定。 标引序号说明： 1——空心板； 2——支承构件； l——标志长度； lp——制作长度； g——板端间隙，g＝g1＋g2。 g1、g2——轴线距板端的距离。 图1 空心板纵向长度示意 4.1.1.2 空心板的标志长度(l)可为不小于3m且不大于21m的规定长度。 4.1.2 截面尺寸 4.1.2.1 空心板的板厚(h)应为100mm、120mm、150mm、160mm、180mm、200mm、220mm、240mm、250mm、265mm、300mm、320mm、350mm、360mm、370mm、380mm、400mm、450mm、500mm。 4.1.2.2 空心板的标志宽度(b)宜为1.2m，也可采用切割后的其他宽度，空心板的制作宽度(bp)应为标志宽度减去板侧间隙(e)(图2)，板侧间隙(e)不应大于10mm。