橋梁混凝土結構工程培訓資料(doc 78頁)

目錄
SECTION 900 - CONCRETE WORKS
901 SCOPE OF SECTION 5
902 DEFINITIONS 5
903 MATERIALS FOR CONCRETE材料 5
A General 5
B Cement水泥 5
C General requirements for aggregates一般規格的骨料 6
D Fine aggregate細集料 7
E Coarse aggregate粗骨料 8
F Testing aggregates骨料試驗 9
1) Acceptance testing驗收測試 9
2) Compliance testing順應性測試 10
G Water for concrete and mortar混凝土和砂漿用水 10
H Admixtures and cementitious extenders外加劑和膠凝混合劑 10
904 THE DESIGN OF CONCRETE MIXES混凝土配合比設計 11
A Classes of concrete混凝土等級 11
B Design of proposed mixes配合比設計 11
905 SITE TRIAL MIXES現場試驗 13
906 QUALITY CONTROL OF CONCRETE PRODUCTION混凝土拌和質量控製 13
A Sampling取樣 13
B Testing試驗 14
1) Consistence坍落度 14
2) Water/cement ratio水灰比 14
3) Air content孔隙率 14
4) Flakiness Index剝落度 14
5) Crushing concrete cubes抗壓強度 14
C Valid cube results有效立方體試塊結果 15
D Acceptance criteria for characteristic strength concrete高強度混凝土驗收標準 15
E Non-compliant test results不符合規範的試驗結果 15
907 MIXING CONCRETE混凝土 16
908 TRANSPORT OF CONCRETE混凝土運輸 18
909 PLACING OF CONCRETE現澆混凝土 18
A Consent for placing允許澆注條件 18
B Preparation of surface to receive concrete表麵準備以進行混凝土澆注 18
C Placing procedures澆注工序 19
D Placing concrete under water水下混凝土灌注 20
E Interruptions to placing灌注中斷 22
F Dimensions of pours澆築尺寸 22
G Placing sequence灌注工序 22
910 PROTECTION OF CONCRETE FROM THE ENVIRONMENT保護混凝土避受環境因素的破壞 23
A General概述 23
B Protection from rain保護混凝土免受雨水影響 23
C Hot weather precautions夏季防護措施 23
D Cold weather precautions冬季防護措施 24
1) Mixing and placing拌和及澆注 24
2) Initial curing初期養護 25
3) Placing concrete under water水下混凝土 25
E Protection from soil or water with high sulphate content防護混凝土免受高硫酸鹽土壤或水的影響 25
F Waterproofing Buried Concrete Surfaces地下混凝土表麵防水 25
911 COMPACTION OF CONCRETE混凝土抗壓強度 26
912 CURING OF CONCRETE混凝土養護 27
A General概述 27
B Materials材料 28
C Methods of curing concrete養護方法 28
1) Formwork in-place method模板安裝 28
2) Water method浸水法 28
3) Liquid membrane curing compound method液膜養護化合物法 28
4) Waterproof cover method防水蓋 29
5) Heated housing method溫室養護 29
6) Accelerated curing by steam or radiant heat通過蒸汽或輻射熱加速養護 29
D Limiting temperature differentials in newly placed concrete限製新攤鋪混凝土的溫差 30
913 CONSTRUCTION JOINTS施工縫 30
914 EXPANSION AND CONTRACTION JOINTS伸縮縫 32
915 WATERSTOPS止水 32
916 FINISHES ON UNFORMED SURFACES路麵成型 33
A UF 1 finish一類 33
B UF 2 finish二類 33
C UF 3 finish三類 33
D Roadway surface finish路麵修整 34
917 FINISHES ON FORMED SURFACES車道修整 35
A Ordinary surface finish普通表麵修整 35
B Rubbed surface finish磨光麵修整 36
918 FALSEWORK AND FORMWORK腳手架和模板 37
A Falsework腳手架 37
B Formwork模板 38
C Removal of Falsework and Forms移除腳手架和模板 41
919 MORTAR AND GROUT砂漿和灰漿 43
A General概述 43
B Mortar for general purposes一般用途使用的砂漿 43
C Grouting of pockets and holes凹穴和洞的灌漿 43
D Underpinning of baseplates基板的基礎 43
920 RECORDS OF CONCRETE PLACING混凝土攤鋪記錄 44
921 REMEDIAL WORK TO DEFECTIVE CONCRETE缺陷混凝土的修補工作 44
922 REINFORCEMENT FOR CONCRETE用於混凝土的鋼筋 45
A General概述 45
B Testing Requirements測試要求 45
C Delivery and Storage of Reinforcement鋼筋的運送和儲存 45
D Bar bending schedules彎鋼筋表 45
E Fabrication製造 46
F Handling and surface condition of reinforcement鋼筋處理及表麵條件 46
G Placing and fastening攤鋪和加固 46
923 SUBSTITUTION BY BARS OF DIFFERENT SIZES替換以不同尺寸的鋼筋條 48
924 PRECAST CONCRETE預製混凝土 48
A General一般要求 48
B Formwork for precast units預製組件模板 48
C Reinforcement for precast units預製組件的鋼筋 48
D Casting of precast units澆築預製組件 49
E Curing precast units養護預製組件 49
F Surface finish of precast units預製組件表麵拋光 49
G Handling and storage of precast units預製組件處理和儲藏 49
H Testing precast units試驗預製組件 50
I Installation of precast units預製組件安裝 50
925 WEEPHOLES排水孔 50
926 PILING打樁 51
A General一般要求 51
B Precast Concrete Piles預製混凝土樁 51
C Pile Tests樁試驗 52
D Pile Records樁記錄 53
927 PRECAST REINFORCED CONCRETE STAIRS DOWN EMBANKMENT SIDE
SLOPE AT END OF OVERPASS在立交橋末端沿路堤邊坡預製鋼筋混凝土階梯 53

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