A-3 SPECIFICATIONS REINFORCED CONCRETE （a - 3规格钢筋混凝土）.pdf

A-3 SPECIFICATIONS REINFORCED CONCRETE CONSTRUCTION A3-Specification A-3 SPECIFICATIONS, REINFORCED CONCRETE CONSTRUCTION I N D E X A3-1 SCOPE 1 A3-2 GENERAL 1 A3-3 CEMENT 1 A3-4 CONCRETE AGGREGATES 2 A3-5 AGGREGATE TESTING 2 A3-6 COARSE AGGREGATE 2 A3-7 WATER 3 A3-8 ADMIXTURES 3 A3-9 PROPORTIONING OF CONCRETE 4 A3-10 MANUFACTURE OF CONCRETE 4 A3-11 TIME BETWEEN MIXING AND PLACING 5 A3-12 TRANSPORTING AND PLACING 6 A3-13 COMPACTION 8 A3-14 FIELD TESTS 8 A3-15 CURING, GENERAL 9 A3-16 COLD WEATHER CONCRETING 9 A3-17 WARM WEATHER CONCRETING 17 A3-18 HORIZONTAL CONSTRUCTION JOINT 17 A3-19 JOINT RUSTICATION 18 A3-20 PREPARATION OF EXISTING SURFACES PRIOR TO PLACEMENT OF CONCRETE 19 A3-21 EMBEDMENT OF REINFORCING STEEL ANCHORS 19 A3-22 CONSTRUCTION TOLERANCES 21 A3-23 FORMS 21 A3-24 INSPECTION OF FORMS 22 A3-25 REMOVAL OF FORMS (OTHER THAN COLD WEATHER CONCRETING) 22 A3-26 REPAIR OF NEW CONCRETE 23 A3-27 SURFACE FINISH, GENERAL 23 A3-28 TREATMENT OF CHIPPED CONCRETE SURFACES 26 A3-29 PRESSURE GROUTING OF VOIDS 26 A3-30 REINFORCING STEEL 27 A3-31 BITUMINOUS CEMENT 29 A3-32 PREMOLDED JOINT FILLER 29 A3-33 JOINT SEALANT 29 A3-34 WATER STOPS 30 Revised 2005/01/17 Page i A-3 SPECIFICATIONS, REINFORCED CONCRETE CONSTRUCTION A3-1 SCOPE 1.1 These A-3 specifications outline the general