標準編號:	T/CECS 10132-2021
中文名稱:	大跨度預應力混凝土空心板
英文名稱:	Long-span prestressed concrete hollow-core slabs
中標分類:	P32    建筑構造與裝飾工程
行業分類:	T/    團體標準
ICS分類:	91.060.20 91.060.20    屋頂 91.060.20
發布機構:	中國工程建設標準化協會
發布日期:	2021-05-18
實施日期:	2021-10-1
標準狀態:	valid
翻譯語言:	英文
文件格式:	PDF
中文字符數:	37000 字
翻譯價格(元):	5385.0
交付時間:	付款后 1 個工作日

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

大跨度預應力混凝土空心板 1 范圍 本文件規定了大跨度預應力混凝土空心板的規格與標記，要求，試驗方法，檢驗規則，標識、堆放與運輸，質量證明文件等。 本文件適用于采用專用自動化設備及先張法預應力長線工藝生產的大跨度預應力混凝土空心板的制造和檢驗。 2 規范性引用文件 下列文件中的內容通過文中的規范性引用而構成本文件必不可少的條款。其中注日期的引用文件，僅該日期對應的版本適用于本文件；不注日期的引用文件，其最新版本(包括所有修改單)適用于本文件。 GB 175 通用硅酸鹽水泥 GB/T 5223 預應力混凝土用鋼絲 GB/T 5224 預應力混凝土用鋼絞線 GB 8076 混凝土外加劑 GB/T 50002 建筑模數協調標準 GB 50010 混凝土結構設計規范 GB/T 50081 混凝土物理力學性能試驗方法標準 GB/T 50107 混凝土強度檢驗評定標準 GB 50119 混凝土外加劑應用技術規范 GB/T 50146 粉煤灰混凝土應用技術規范 GB/T 50152 混凝土結構試驗方法標準 GB 50204 混凝土結構工程施工質量驗收規范 GB 50666 混凝土結構工程施工規范 GB/T 51003 礦物摻合料應用技術規范 GB/T 51231 裝配式混凝土建筑技術標準 JC/T 949 混凝土制品用脫模劑 JC/T 2477 預制混凝土用外加劑 JG/T 520 擠壓成型混凝土抗壓強度試驗方法 JGJ 52 普通混凝土用砂、石質量及檢驗方法標準 JGJ 55 普通混凝土配合比設計規程 JGJ 63 混凝土用水標準 JGJ/T 241 人工砂混凝土應用技術規程 3 術語和定義 下列術語和定義適用于本文件。 3.1 大跨度預應力混凝土空心板 long-span prestressed concrete hollow-core slabs 標志長度為3m～21m且具有標準化的板厚與標志寬度，由多個規則布置通長孔洞組成的先張法預應力混凝土板類空心構件。 注：以下簡稱“空心板”。 3.2 先張法預應力長線工藝 Long line prestressed pretensioned process 在長度不小于100m的模臺上，先張拉預應力筋并用夾具臨時錨固，澆筑混凝土并達到規定強度后放張預應力筋，從而建立預應力的預制混凝土構件生產工藝。 3.3 間隙 gap 在進行設計排板布置時，空心板與空心板之間的最小凈距。 注：分為板端間隙與板側間隙。 3.4 擠壓成型技術 extrusion technology 專用自動化設備主體沿著模臺移動，通過螺旋送料器和內置振動裝置等的聯合作用，將干硬性混凝土擠壓密實成型的空心板生產技術。 3.5 滑模成型技術 slip-former technology 專用自動化設備主體沿著模臺移動，通過振動裝置的作用，將干硬性混凝土振搗密實成型的空心板生產技術。 4 規格與標記 4.1 規格 4.1.1 長度尺寸 4.1.1.1 空心板的標志長度(l)應取為軸線跨度；空心板的制作長度(lp)應取為標志長度減去板端間隙(g)(圖1)，板端間隙(g)不應小于20mm且具體大小由設計文件確定。 標引序號說明： 1——空心板； 2——支承構件； l——標志長度； lp——制作長度； g——板端間隙，g＝g1＋g2。 g1、g2——軸線距板端的距離。 圖1 空心板縱向長度示意 4.1.1.2 空心板的標志長度(l)可為不小于3m且不大于21m的規定長度。 4.1.2 截面尺寸 4.1.2.1 空心板的板厚(h)應為100mm、120mm、150mm、160mm、180mm、200mm、220mm、240mm、250mm、265mm、300mm、320mm、350mm、360mm、370mm、380mm、400mm、450mm、500mm。 4.1.2.2 空心板的標志寬度(b)宜為1.2m，也可采用切割后的其他寬度，空心板的制作寬度(bp)應為標志寬度減去板側間隙(e)(圖2)，板側間隙(e)不應大于10mm。