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1、Reconstruction of road section km 2183-2217 Border of Russian Federation (to Samara)-Shymkent 900-1 桥梁混凝土结构工程桥梁混凝土结构工程 Reconstruction of road section km 2183-2217 Border of Russian Federation (to Samara)-Shymkent 900-2 SECTION 900 - CONCRETE WORKS 901 SCOPE OF SECTION5 902 DEFINITIONS5 903 MATERIALS
2、 FOR CONCRETE 材料材料5 A General5 B Cement 水泥5 C General requirements for aggregates 一般规格的骨料6 D Fine aggregate 细集料7 E Coarse aggregate 粗骨料8 F Testing aggregates 骨料试验9 Acceptance testing 验收测试9 Compliance testing 顺应性测试10 G Water for concrete and mortar 混凝土和砂浆用水10 H Admixtures and cementitious extenders 外
3、加剂和胶凝混合剂10 Reconstruction of road section km 2183-2217 Border of Russian Federation (to Samara)-Shymkent 900-3 904 THE DESIGN OF CONCRETE MIXES 混凝土配合比设计混凝土配合比设计11 A Classes of concrete 混凝土等级11 B Design of proposed mixes 配合比设计11 905 SITE TRIAL MIXES 现场试验现场试验13 906 QUALITY CONTROL OF CONCRETE PRODUCTI
4、ON 混凝土拌和质量控制混凝土拌和质量控制13 A Sampling 取样13 B Testing 试验14 Consistence 坍落度14 Water/cement ratio 水灰比14 Air content 孔隙率14 Flakiness Index 剥落度14 Crushing concrete cubes 抗压强度14 Reconstruction of road section km 2183-2217 Border of Russian Federation (to Samara)-Shymkent 900-4 C Valid cube results 有效立方体试块结果1
5、5 D Acceptance criteria for characteristic strength concrete 高强度混凝土验收标准15 E Non-compliant test results 不符合规范的试验结果15 907 MIXING CONCRETE 混凝土混凝土16 908 TRANSPORT OF CONCRETE 混凝土运输混凝土运输18 909 PLACING OF CONCRETE 现浇混凝土现浇混凝土18 A Consent for placing 允许浇注条件18 B Preparation of surface to receive concrete 表面准
6、备以进行混凝土浇注18 C Placing procedures 浇注工序19 D Placing concrete under water 水下混凝土灌注20 E Interruptions to placing 灌注中断22 F Dimensions of pours 浇筑尺寸22 G Placing sequence 灌注工序22 Reconstruction of road section km 2183-2217 Border of Russian Federation (to Samara)-Shymkent 900-5 910 PROTECTION OF CONCRETE FRO
7、M THE ENVIRONMENT 保护混凝土避受环境因素的破 坏23 A General 概述23 B Protection from rain 保护混凝土免受雨水影响23 C Hot weather precautions 夏季防护措施23 D Cold weather precautions 冬季防护措施24 Mixing and placing 拌和及浇注24 Initial curing 初期养护25 Placing concrete under water 水下混凝土25 E Protection from soil or water with high sulphate cont
8、ent 防护混凝土免受高硫酸盐土壤或水的影 响25 F Waterproofing Buried Concrete Surfaces 地下混凝土表面防水25 911 COMPACTION OF CONCRETE 混凝土抗压强度混凝土抗压强度26 912 CURING OF CONCRETE 混凝土养护27 Reconstruction of road section km 2183-2217 Border of Russian Federation (to Samara)-Shymkent 900-6 A General 概述27 B Materials 材料28 C Methods of c
9、uring concrete 养护方法28 Formwork in-place method 模板安装28 Water method 浸水法28 Liquid membrane curing compound method 液膜养护化合物法28 Waterproof cover method 防水盖29 Heated housing method 温室养护29 Accelerated curing by steam or radiant heat 通过蒸汽或辐射热加速养护29 D Limiting temperature differentials in newly placed concre
10、te 限制新摊铺混凝土的温差30 913 CONSTRUCTION JOINTS 施工缝施工缝30 914 EXPANSION AND CONTRACTION JOINTS 伸缩缝伸缩缝32 Reconstruction of road section km 2183-2217 Border of Russian Federation (to Samara)-Shymkent 900-7 915 WATERSTOPS 止水32 916 FINISHES ON UNFORMED SURFACES 路面成型路面成型33 A UF 1 finish 一类33 B UF 2 finish 二类33 C
11、 UF 3 finish 三类33 D Roadway surface finish 路面修整34 917 FINISHES ON FORMED SURFACES 车道修整35 A Ordinary surface finish 普通表面修整35 B Rubbed surface finish 磨光面修整36 918 FALSEWORK AND FORMWORK 脚手架和模板37 A Falsework 脚手架37 B Formwork 模板38 C Removal of Falsework and Forms 移除脚手架和模板41 919 MORTAR AND GROUT 砂浆和灰浆43 R
12、econstruction of road section km 2183-2217 Border of Russian Federation (to Samara)-Shymkent 900-8 A General 概述43 B Mortar for general purposes 一般用途使用的砂浆43 C Grouting of pockets and holes 凹穴和洞的灌浆43 D Underpinning of baseplates 基板的基础43 920 RECORDS OF CONCRETE PLACING 混凝土摊铺记录44 921 REMEDIAL WORK TO DE
13、FECTIVE CONCRETE 缺陷混凝土的修补工作44 922 REINFORCEMENT FOR CONCRETE 用于混凝土的钢筋45 A General 概述45 B Testing Requirements 测试要求45 C Delivery and Storage of Reinforcement 钢筋的运送和储存45 D Bar bending schedules 弯钢筋表45 E Fabrication 制造46 F Handling and surface condition of reinforcement 钢筋处理及表面条件46 Reconstruction of ro
14、ad section km 2183-2217 Border of Russian Federation (to Samara)-Shymkent 900-9 G Placing and fastening 摊铺和加固46 923 SUBSTITUTION BY BARS OF DIFFERENT SIZES 替换以不同尺寸的钢筋条48 924 PRECAST CONCRETE 预制混凝土48 A General 一般要求48 B Formwork for precast units 预制组件模板48 C Reinforcement for precast units 预制组件的钢筋48 D
15、Casting of precast units 浇筑预制组件49 E Curing precast units 养护预制组件49 F Surface finish of precast units 预制组件表面抛光49 G Handling and storage of precast units 预制组件处理和储藏49 H Testing precast units 试验预制组件50 I Installation of precast units 预制组件安装50 925 WEEPHOLES 排水孔50 926 PILING 打桩51 Reconstruction of road sect
16、ion km 2183-2217 Border of Russian Federation (to Samara)-Shymkent 900-10 A General 一般要求51 B Precast Concrete Piles 预制混凝土桩51 C Pile Tests 桩试验52 D Pile Records 桩记录53 927 PRECAST REINFORCED CONCRETE STAIRS DOWN EMBANKMENT SIDE SLOPE AT END OF OVERPASS 在立交桥末端沿路堤边坡预制钢筋混凝土阶梯53 Reconstruction of road section km 2183-2217 Border of Russian Federation (to Samara)-Shymkent 900-11 SCOPE OF SECTION 章节范围 This section covers the materials, design of mixes, mixing, transport, placing, compaction
