料石施工（Stone construction）.docVIP

料石施工（Stone construction） Stone masonry construction quality management 1, according to standard: unified standard for construction quality acceptance of building engineering GB503002001 Code for acceptance of construction quality of masonry engineering GB502032002 Code for design of masonry structures (2002 GB500032001 partial revision) Code of acceptance of construction quality of building foundation GB502022002 Than design rules of JGJ982000 with masonry mortar 2 、 construction preparation 2.1 materials and main equipment: 2.1.1 stone: its varieties, specifications, colors must comply with the design requirements and the relevant construction specifications, there should be factory certification. 2.1.2 sand: coarse and medium sand should be used. 5mm sieve through the sieve, preparation of less than M5 mortar, sand content of mud shall not exceed 10%; equal to or greater than M5 mortar; sand content of mud shall not exceed 5%, shall not contain grass roots and other debris. 2.1.3 cement: generally use 325 slag Portland cement and ordinary Portland cement. There is a factory certificate into the re examination sheet. If the factory date is more than three months, the result shall be used by reinspection. 2.1.4 water: clean water with running water or no harmful substance. 2.1.5 other materials: Rachel tendons, embedded parts should do the antiseptic treatment. 2.1.6: the main equipment should be equipped with blender, sieve, hand shovel, hammer, shovel, supporting board, line sinkers, horizontal ruler, steel tape, small white, half barrels, broom, tool bag, trolley, leather pole etc.. 2.2 operating conditions: 2.2.1 foundation, cushion has been completed, and has completed the hidden inspection procedures. 2.2.2 foundation, cushion surface has been playing good axis and wall line, set a good leather rod, in which distance from about 15mm is appropriate. The number of leather bars should be set at the corner, and the number of the leather and the height of the maso